Ur/Web: src/c/urweb.c annotate

annotate src/c/urweb.c @ 1109:631a3597c065

Proper [un]urlification of unit

author	Adam Chlipala <adamc@hcoop.net>
date	Fri, 01 Jan 2010 12:48:06 -0500
parents	a5c160636832
children	7fc4e0087e50

rev	line source
adamc@1094	1 #define _XOPEN_SOURCE 600
adamc@436	2
adamc@117	3 #include <stdlib.h>
adamc@102	4 #include <stdio.h>
adamc@117	5 #include <string.h>
adamc@457	6 #include <strings.h>
adamc@106	7 #include <ctype.h>
adamc@167	8 #include <setjmp.h>
adamc@167	9 #include <stdarg.h>
adamc@682	10 #include <assert.h>
adamc@741	11 #include <ctype.h>
adamc@1094	12 #include <sys/types.h>
adamc@1094	13 #include <sys/socket.h>
adamc@102	14
adamc@667	15 #include <pthread.h>
adamc@667	16
adamc@102	17 #include "types.h"
adamc@102	18
adamc@311	19 uw_unit uw_unit_v = {};
adamc@102	20
adamc@667	21
adamc@667	22 // Socket extras
adamc@667	23
adamc@863	24 int uw_really_send(int sock, const void *buf, ssize_t len) {
adamc@667	25 while (len > 0) {
adamc@856	26 ssize_t n = send(sock, buf, len, 0);
adamc@856	27
adamc@856	28 if (n < 0)
adamc@856	29 return n;
adamc@856	30
adamc@856	31 buf += n;
adamc@856	32 len -= n;
adamc@856	33 }
adamc@856	34
adamc@856	35 return 0;
adamc@856	36 }
adamc@856	37
adamc@856	38 int uw_really_write(int fd, const void *buf, size_t len) {
adamc@856	39 while (len > 0) {
adamc@856	40 ssize_t n = write(fd, buf, len);
adamc@667	41
adamc@667	42 if (n < 0)
adamc@667	43 return n;
adamc@667	44
adamc@667	45 buf += n;
adamc@667	46 len -= n;
adamc@667	47 }
adamc@667	48
adamc@667	49 return 0;
adamc@667	50 }
adamc@667	51
adamc@667	52
adamc@667	53 // Buffers
adamc@667	54
adamc@667	55 typedef struct {
adamc@667	56 char start, front, *back;
adamc@667	57 } buf;
adamc@667	58
adamc@667	59 static void buf_init(buf *b, size_t s) {
adamc@667	60 b->front = b->start = malloc(s);
adamc@667	61 b->back = b->front + s;
adamc@667	62 }
adamc@667	63
adamc@667	64 static void buf_free(buf *b) {
adamc@667	65 free(b->start);
adamc@667	66 }
adamc@667	67
adamc@667	68 static void buf_reset(buf *b) {
adamc@667	69 b->front = b->start;
adamc@667	70 }
adamc@667	71
adamc@667	72 static void buf_check(buf *b, size_t extra) {
adamc@667	73 if (b->back - b->front < extra) {
adamc@667	74 size_t desired = b->front - b->start + extra, next;
adamc@667	75 char *new_heap;
adamc@667	76
adamc@667	77 next = b->back - b->start;
adamc@667	78 if (next == 0)
adamc@667	79 next = 1;
adamc@667	80 for (; next < desired; next *= 2);
adamc@667	81
adamc@667	82 new_heap = realloc(b->start, next);
adamc@667	83 b->front = new_heap + (b->front - b->start);
adamc@667	84 b->back = new_heap + next;
adamc@667	85 b->start = new_heap;
adamc@667	86 }
adamc@667	87 }
adamc@667	88
adamc@667	89 static size_t buf_used(buf *b) {
adamc@667	90 return b->front - b->start;
adamc@667	91 }
adamc@667	92
adamc@667	93 static size_t buf_avail(buf *b) {
adamc@667	94 return b->back - b->start;
adamc@667	95 }
adamc@667	96
adamc@668	97 static void buf_append(buf b, const char s, size_t len) {
adamc@672	98 buf_check(b, len+1);
adamc@668	99 memcpy(b->front, s, len);
adamc@668	100 b->front += len;
adamc@672	101 *b->front = 0;
adamc@668	102 }
adamc@667	103
adamc@668	104
adamc@672	105 // Persistent state types
adamc@667	106
adamc@667	107 typedef enum { UNUSED, USED } usage;
adamc@667	108
adamc@667	109 typedef struct client {
adamc@682	110 unsigned id;
adamc@667	111 usage mode;
adamc@682	112 int pass;
adamc@682	113 struct client *next;
adamc@689	114 pthread_mutex_t lock, pull_lock;
adamc@682	115 buf msgs;
adamc@682	116 int sock;
adamc@863	117 int (send)(int sockfd, const void buf, ssize_t len);
adamc@863	118 int (*close)(int fd);
adamc@682	119 time_t last_contact;
adamc@682	120 unsigned n_channels;
adamc@685	121 unsigned refcount;
adamc@667	122 } client;
adamc@667	123
adamc@672	124
adamc@672	125 // Persistent client state
adamc@672	126
adamc@682	127 static client *clients, clients_free, *clients_used;
adamc@682	128 static unsigned n_clients;
adamc@667	129
adamc@667	130 static pthread_mutex_t clients_mutex = PTHREAD_MUTEX_INITIALIZER;
adamc@667	131
adamc@682	132 static client *new_client() {
adamc@667	133 client *c;
adamc@667	134
adamc@667	135 pthread_mutex_lock(&clients_mutex);
adamc@667	136
adamc@667	137 if (clients_free) {
adamc@667	138 c = clients_free;
adamc@682	139 clients_free = clients_free->next;
adamc@667	140 }
adamc@667	141 else {
adamc@667	142 ++n_clients;
adamc@667	143 clients = realloc(clients, sizeof(client) * n_clients);
adamc@667	144 c = malloc(sizeof(client));
adamc@667	145 c->id = n_clients-1;
adamc@682	146 pthread_mutex_init(&c->lock, NULL);
adamc@689	147 pthread_mutex_init(&c->pull_lock, NULL);
adamc@682	148 buf_init(&c->msgs, 0);
adamc@667	149 clients[n_clients-1] = c;
adamc@667	150 }
adamc@667	151
adamc@682	152 pthread_mutex_lock(&c->lock);
adamc@667	153 c->mode = USED;
adamc@682	154 c->pass = rand();
adamc@682	155 c->sock = -1;
adamc@682	156 c->last_contact = time(NULL);
adamc@682	157 buf_reset(&c->msgs);
adamc@682	158 c->n_channels = 0;
adamc@685	159 c->refcount = 0;
adamc@682	160 pthread_mutex_unlock(&c->lock);
adamc@682	161
adamc@682	162 c->next = clients_used;
adamc@682	163 clients_used = c;
adamc@667	164
adamc@667	165 pthread_mutex_unlock(&clients_mutex);
adamc@667	166
adamc@667	167 return c;
adamc@667	168 }
adamc@667	169
adamc@685	170 static void use_client(client *c) {
adamc@685	171 pthread_mutex_lock(&c->lock);
adamc@685	172 ++c->refcount;
adamc@685	173 pthread_mutex_unlock(&c->lock);
adamc@689	174 pthread_mutex_lock(&c->pull_lock);
adamc@685	175 }
adamc@685	176
adamc@685	177 static void release_client(client *c) {
adamc@689	178 pthread_mutex_unlock(&c->pull_lock);
adamc@685	179 pthread_mutex_lock(&c->lock);
adamc@685	180 --c->refcount;
adamc@685	181 pthread_mutex_unlock(&c->lock);
adamc@689	182
adamc@685	183 }
adamc@685	184
adamc@856	185 static const char begin_msgs[] = "Content-type: text/plain\r\n\r\n";
adamc@667	186
adamc@682	187 static client *find_client(unsigned id) {
adamc@667	188 client *c;
adamc@667	189
adamc@667	190 pthread_mutex_lock(&clients_mutex);
adamc@667	191
adamc@667	192 if (id >= n_clients) {
adamc@667	193 pthread_mutex_unlock(&clients_mutex);
adamc@668	194 return NULL;
adamc@667	195 }
adamc@667	196
adamc@667	197 c = clients[id];
adamc@667	198
adamc@668	199 pthread_mutex_unlock(&clients_mutex);
adamc@668	200 return c;
adamc@668	201 }
adamc@668	202
adamc@856	203 static char *on_success = "HTTP/1.1 200 OK\r\n";
adamc@1065	204 static char *on_redirect = "HTTP/1.1 303 See Other\r\n";
adamc@856	205
adamc@856	206 void uw_set_on_success(char *s) {
adamc@856	207 on_success = s;
adamc@856	208 }
adamc@856	209
adamc@863	210 void uw_client_connect(unsigned id, int pass, int sock,
adamc@863	211 int (send)(int sockfd, const void buf, ssize_t len),
adamc@864	212 int (*close)(int fd),
adamc@864	213 void *logger_data, uw_logger log_error) {
adamc@682	214 client *c = find_client(id);
adamc@668	215
adamc@668	216 if (c == NULL) {
adamc@667	217 close(sock);
adamc@864	218 log_error(logger_data, "Out-of-bounds client request (%u)\n", id);
adamc@667	219 return;
adamc@667	220 }
adamc@667	221
adamc@682	222 pthread_mutex_lock(&c->lock);
adamc@671	223
adamc@682	224 if (c->mode != USED) {
adamc@682	225 pthread_mutex_unlock(&c->lock);
adamc@667	226 close(sock);
adamc@864	227 log_error(logger_data, "Client request for unused slot (%u)\n", id);
adamc@667	228 return;
adamc@667	229 }
adamc@667	230
adamc@682	231 if (pass != c->pass) {
adamc@682	232 pthread_mutex_unlock(&c->lock);
adamc@682	233 close(sock);
adamc@864	234 log_error(logger_data, "Wrong client password (%u, %d)\n", id, pass);
adamc@682	235 return;
adamc@667	236 }
adamc@667	237
adamc@682	238 if (c->sock != -1) {
adamc@863	239 c->close(c->sock);
adamc@682	240 c->sock = -1;
adamc@682	241 }
adamc@667	242
adamc@682	243 c->last_contact = time(NULL);
adamc@682	244
adamc@682	245 if (buf_used(&c->msgs) > 0) {
adamc@863	246 send(sock, on_success, strlen(on_success));
adamc@863	247 send(sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863	248 send(sock, c->msgs.start, buf_used(&c->msgs));
adamc@682	249 buf_reset(&c->msgs);
adamc@667	250 close(sock);
adamc@667	251 }
adamc@863	252 else {
adamc@682	253 c->sock = sock;
adamc@863	254 c->send = send;
adamc@863	255 c->close = close;
adamc@863	256 }
adamc@667	257
adamc@682	258 pthread_mutex_unlock(&c->lock);
adamc@667	259 }
adamc@667	260
adamc@682	261 static void free_client(client *c) {
adamc@682	262 c->mode = UNUSED;
adamc@682	263 c->pass = -1;
adamc@667	264
adamc@682	265 c->next = clients_free;
adamc@682	266 clients_free = c;
adamc@667	267 }
adamc@667	268
adamc@682	269 static uw_Basis_channel new_channel(client *c) {
adamc@682	270 uw_Basis_channel ch = {c->id, c->n_channels++};
adamc@668	271 return ch;
adamc@668	272 }
adamc@668	273
adamc@685	274 static void client_send(client c, buf msg) {
adamc@685	275 pthread_mutex_lock(&c->lock);
adamc@671	276
adamc@682	277 if (c->sock != -1) {
adamc@863	278 c->send(c->sock, on_success, strlen(on_success));
adamc@863	279 c->send(c->sock, begin_msgs, sizeof(begin_msgs) - 1);
adamc@863	280 c->send(c->sock, msg->start, buf_used(msg));
adamc@863	281 c->close(c->sock);
adamc@682	282 c->sock = -1;
adamc@682	283 } else
adamc@682	284 buf_append(&c->msgs, msg->start, buf_used(msg));
adamc@671	285
adamc@685	286 pthread_mutex_unlock(&c->lock);
adamc@668	287 }
adamc@668	288
adamc@668	289
adamc@668	290 // Global entry points
adamc@668	291
adamc@1104	292 extern void uw_init_crypto();
adamc@1104	293
adamc@668	294 void uw_global_init() {
adamc@668	295 srand(time(NULL) ^ getpid());
adamc@668	296
adamc@668	297 clients = malloc(0);
adamc@1104	298
adamc@1104	299 uw_init_crypto();
adamc@1094	300 }
adamc@1094	301
adamc@1094	302 void uw_app_init(uw_app *app) {
adamc@1094	303 app->client_init();
adamc@668	304 }
adamc@668	305
adamc@668	306
adamc@667	307 // Single-request state
adamc@667	308
adamc@167	309 #define ERROR_BUF_LEN 1024
adamc@167	310
adamc@323	311 typedef struct regions {
adamc@323	312 struct regions *next;
adamc@323	313 } regions;
adamc@323	314
adamc@425	315 typedef struct {
adamc@425	316 void (func)(void);
adamc@425	317 void *arg;
adamc@425	318 } cleanup;
adamc@425	319
adamc@671	320 typedef struct {
adamc@682	321 unsigned client;
adamc@671	322 buf msgs;
adamc@682	323 } delta;
adamc@671	324
adamc@737	325 typedef enum {
adamc@759	326 UNSET, NORMAL, FIL, SUBFORM, SUBFORMS, ENTRY
adamc@737	327 } input_kind;
adamc@737	328
adamc@756	329 typedef struct input {
adamc@737	330 input_kind kind;
adamc@737	331 union {
adamc@737	332 char *normal;
adamc@739	333 uw_Basis_file file;
adamc@756	334 struct {
adamc@759	335 struct input fields, parent;
adamc@756	336 } subform;
adamc@759	337 struct {
adamc@759	338 struct input entries, parent;
adamc@759	339 } subforms;
adamc@759	340 struct {
adamc@759	341 struct input fields, next, *parent;
adamc@759	342 } entry;
adamc@737	343 } data;
adamc@737	344 } input;
adamc@737	345
adamc@771	346 typedef struct {
adamc@771	347 void *data;
adamc@771	348 uw_callback commit, rollback, free;
adamc@771	349 } transactional;
adamc@771	350
adamc@1061	351 typedef struct {
adamc@1061	352 char *name;
adamc@1061	353 void *data;
adamc@1061	354 void (free)(void);
adamc@1061	355 } global;
adamc@1061	356
adamc@311	357 struct uw_context {
adamc@1094	358 uw_app *app;
adamc@1094	359
adamc@854	360 char (get_header)(void , const char );
adamc@854	361 void *get_header_data;
adamc@457	362
adamc@666	363 buf outHeaders, page, heap, script;
adamc@1065	364 int returning_indirectly;
adamc@759	365 input inputs, subinputs, *cur_container;
adamc@1094	366 size_t sz_inputs, n_subinputs, used_subinputs;
adamc@167	367
adamc@565	368 int source_count;
adamc@562	369
adamc@272	370 void *db;
adamc@272	371
adamc@167	372 jmp_buf jmp_buf;
adamc@167	373
adamc@323	374 regions *regions;
adamc@323	375
adamc@425	376 cleanup cleanup, cleanup_front, *cleanup_back;
adamc@425	377
adamc@1094	378 const char *script_header;
adamc@643	379
adamc@736	380 int needs_push, needs_sig;
adamc@693	381
adamc@682	382 size_t n_deltas, used_deltas;
adamc@682	383 delta *deltas;
adamc@671	384
adamc@682	385 client *client;
adamc@682	386
adamc@771	387 transactional *transactionals;
adamc@771	388 size_t n_transactionals, used_transactionals;
adamc@771	389
adamc@1061	390 global *globals;
adamc@1061	391 size_t n_globals;
adamc@1061	392
adamc@1066	393 char *current_url;
adamc@1066	394
adamc@167	395 char error_message[ERROR_BUF_LEN];
adamc@117	396 };
adamc@117	397
adamc@687	398 uw_context uw_init() {
adamc@311	399 uw_context ctx = malloc(sizeof(struct uw_context));
adamc@136	400
adamc@1094	401 ctx->app = NULL;
adamc@1094	402
adamc@854	403 ctx->get_header = NULL;
adamc@854	404 ctx->get_header_data = NULL;
adamc@457	405
adamc@687	406 buf_init(&ctx->outHeaders, 0);
adamc@687	407 buf_init(&ctx->page, 0);
adamc@1065	408 ctx->returning_indirectly = 0;
adamc@687	409 buf_init(&ctx->heap, 0);
adamc@698	410 buf_init(&ctx->script, 1);
adamc@667	411 ctx->script.start[0] = 0;
adamc@136	412
adamc@1094	413 ctx->inputs = malloc(0);
adamc@759	414 ctx->cur_container = NULL;
adamc@756	415 ctx->subinputs = malloc(0);
adamc@1094	416 ctx->sz_inputs = ctx->n_subinputs = ctx->used_subinputs = 0;
adamc@144	417
adamc@272	418 ctx->db = NULL;
adamc@272	419
adamc@323	420 ctx->regions = NULL;
adamc@323	421
adamc@425	422 ctx->cleanup_front = ctx->cleanup_back = ctx->cleanup = malloc(0);
adamc@425	423
adamc@643	424 ctx->script_header = "";
adamc@693	425 ctx->needs_push = 0;
adamc@736	426 ctx->needs_sig = 0;
adamc@1104	427
adamc@167	428 ctx->error_message[0] = 0;
adamc@167	429
adamc@565	430 ctx->source_count = 0;
adamc@562	431
adamc@682	432 ctx->n_deltas = ctx->used_deltas = 0;
adamc@671	433 ctx->deltas = malloc(0);
adamc@671	434
adamc@700	435 ctx->client = NULL;
adamc@700	436
adamc@700	437 ctx->error_message[0] = 0;
adamc@700	438
adamc@771	439 ctx->transactionals = malloc(0);
adamc@771	440 ctx->n_transactionals = ctx->used_transactionals = 0;
adamc@771	441
adamc@1061	442 ctx->globals = malloc(0);
adamc@1061	443 ctx->n_globals = 0;
adamc@1061	444
adamc@1066	445 ctx->current_url = "";
adamc@1066	446
adamc@117	447 return ctx;
adamc@106	448 }
adamc@106	449
adamc@1094	450 void uw_set_app(uw_context ctx, uw_app *app) {
adamc@1094	451 ctx->app = app;
adamc@1094	452
adamc@1105	453 if (app && app->inputs_len > ctx->sz_inputs) {
adamc@1094	454 ctx->sz_inputs = app->inputs_len;
adamc@1094	455 ctx->inputs = realloc(ctx->inputs, ctx->sz_inputs * sizeof(input));
adamc@1094	456 memset(ctx->inputs, 0, ctx->sz_inputs * sizeof(input));
adamc@1094	457 }
adamc@1094	458 }
adamc@1094	459
adamc@311	460 void uw_set_db(uw_context ctx, void *db) {
adamc@272	461 ctx->db = db;
adamc@272	462 }
adamc@272	463
adamc@311	464 void *uw_get_db(uw_context ctx) {
adamc@272	465 return ctx->db;
adamc@272	466 }
adamc@272	467
adamc@311	468 void uw_free(uw_context ctx) {
adamc@671	469 size_t i;
adamc@671	470
adamc@666	471 buf_free(&ctx->outHeaders);
adamc@666	472 buf_free(&ctx->script);
adamc@666	473 buf_free(&ctx->page);
adamc@666	474 buf_free(&ctx->heap);
adamc@144	475 free(ctx->inputs);
adamc@756	476 free(ctx->subinputs);
adamc@425	477 free(ctx->cleanup);
adamc@771	478 free(ctx->transactionals);
adamc@671	479
adamc@682	480 for (i = 0; i < ctx->n_deltas; ++i)
adamc@671	481 buf_free(&ctx->deltas[i].msgs);
adamc@671	482
adamc@1061	483 for (i = 0; i < ctx->n_globals; ++i)
adamc@1089	484 if (ctx->globals[i].free)
adamc@1089	485 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061	486
adamc@136	487 free(ctx);
adamc@136	488 }
adamc@136	489
adamc@562	490 void uw_reset_keep_error_message(uw_context ctx) {
adamc@756	491 size_t i;
adamc@756	492
adamc@666	493 buf_reset(&ctx->outHeaders);
adamc@666	494 buf_reset(&ctx->script);
adamc@667	495 ctx->script.start[0] = 0;
adamc@666	496 buf_reset(&ctx->page);
adamc@1065	497 ctx->returning_indirectly = 0;
adamc@666	498 buf_reset(&ctx->heap);
adamc@323	499 ctx->regions = NULL;
adamc@425	500 ctx->cleanup_front = ctx->cleanup;
adamc@565	501 ctx->source_count = 0;
adamc@682	502 ctx->used_deltas = 0;
adamc@682	503 ctx->client = NULL;
adamc@759	504 ctx->cur_container = NULL;
adamc@771	505 ctx->used_transactionals = 0;
adamc@167	506 }
adamc@167	507
adamc@562	508 void uw_reset_keep_request(uw_context ctx) {
adamc@562	509 uw_reset_keep_error_message(ctx);
adamc@562	510 ctx->error_message[0] = 0;
adamc@167	511 }
adamc@167	512
adamc@311	513 void uw_reset(uw_context ctx) {
adamc@311	514 uw_reset_keep_request(ctx);
adamc@1105	515 if (ctx->app)
adamc@1105	516 memset(ctx->inputs, 0, ctx->app->inputs_len * sizeof(input));
adamc@756	517 memset(ctx->subinputs, 0, ctx->n_subinputs * sizeof(input));
adamc@756	518 ctx->used_subinputs = 0;
adamc@144	519 }
adamc@144	520
adamc@311	521 failure_kind uw_begin_init(uw_context ctx) {
adamc@272	522 int r = setjmp(ctx->jmp_buf);
adamc@272	523
adamc@1105	524 if (r == 0 && ctx->app)
adamc@1094	525 ctx->app->db_init(ctx);
adamc@272	526
adamc@272	527 return r;
adamc@272	528 }
adamc@272	529
adamc@854	530 void uw_set_headers(uw_context ctx, char (get_header)(void , const char ), void *get_header_data) {
adamc@854	531 ctx->get_header = get_header;
adamc@854	532 ctx->get_header_data = get_header_data;
adamc@742	533 }
adamc@742	534
adamc@801	535 static void uw_set_error(uw_context ctx, const char *fmt, ...) {
adamc@801	536 va_list ap;
adamc@801	537 va_start(ap, fmt);
adamc@801	538
adamc@801	539 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@801	540 }
adamc@801	541
adamc@311	542 __attribute__((noreturn)) void uw_error(uw_context ctx, failure_kind fk, const char *fmt, ...) {
adamc@425	543 cleanup *cl;
adamc@425	544
adamc@167	545 va_list ap;
adamc@167	546 va_start(ap, fmt);
adamc@167	547
adamc@167	548 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
adamc@167	549
adamc@425	550 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@425	551 cl->func(cl->arg);
adamc@425	552
adamc@425	553 ctx->cleanup_front = ctx->cleanup;
adamc@425	554
adamc@190	555 longjmp(ctx->jmp_buf, fk);
adamc@167	556 }
adamc@167	557
adamc@425	558 void uw_push_cleanup(uw_context ctx, void (func)(void ), void *arg) {
adamc@425	559 if (ctx->cleanup_front >= ctx->cleanup_back) {
adamc@425	560 int len = ctx->cleanup_back - ctx->cleanup, newLen;
adamc@425	561 if (len == 0)
adamc@425	562 newLen = 1;
adamc@425	563 else
adamc@428	564 newLen = len * 2;
adamc@470	565 ctx->cleanup = realloc(ctx->cleanup, newLen * sizeof(cleanup));
adamc@425	566 ctx->cleanup_front = ctx->cleanup + len;
adamc@425	567 ctx->cleanup_back = ctx->cleanup + newLen;
adamc@425	568 }
adamc@425	569
adamc@425	570 ctx->cleanup_front->func = func;
adamc@425	571 ctx->cleanup_front->arg = arg;
adamc@425	572 ++ctx->cleanup_front;
adamc@425	573 }
adamc@425	574
adamc@682	575 uw_Basis_string uw_Basis_requestHeader(uw_context ctx, uw_Basis_string h) {
adamc@854	576 return ctx->get_header(ctx->get_header_data, h);
adamc@682	577 }
adamc@682	578
adamc@682	579 void uw_login(uw_context ctx) {
adamc@693	580 if (ctx->needs_push) {
adamc@682	581 char id_s, pass_s;
adamc@682	582
adamc@682	583 if ((id_s = uw_Basis_requestHeader(ctx, "UrWeb-Client"))
adamc@682	584 && (pass_s = uw_Basis_requestHeader(ctx, "UrWeb-Pass"))) {
adamc@682	585 unsigned id = atoi(id_s);
adamc@682	586 int pass = atoi(pass_s);
adamc@682	587 client *c = find_client(id);
adamc@682	588
adamc@682	589 if (c == NULL)
adamc@682	590 uw_error(ctx, FATAL, "Unknown client ID in HTTP headers (%s, %s)", id_s, pass_s);
adamc@682	591 else {
adamc@685	592 use_client(c);
adamc@682	593 ctx->client = c;
adamc@682	594
adamc@682	595 if (c->mode != USED)
adamc@682	596 uw_error(ctx, FATAL, "Stale client ID (%u) in subscription request", id);
adamc@682	597 if (c->pass != pass)
adamc@682	598 uw_error(ctx, FATAL, "Wrong client password (%u, %d) in subscription request", id, pass);
adamc@682	599 }
adamc@682	600 } else {
adamc@682	601 client *c = new_client();
adamc@685	602 use_client(c);
adamc@682	603 ctx->client = c;
adamc@864	604 }
adamc@682	605 }
adamc@682	606 }
adamc@682	607
adamc@671	608 failure_kind uw_begin(uw_context ctx, char *path) {
adamc@671	609 int r = setjmp(ctx->jmp_buf);
adamc@671	610
adamc@671	611 if (r == 0) {
adamc@1094	612 if (ctx->app->db_begin(ctx))
adamc@671	613 uw_error(ctx, BOUNDED_RETRY, "Error running SQL BEGIN");
adamc@682	614
adamc@1094	615 ctx->app->handle(ctx, path);
adamc@671	616 }
adamc@671	617
adamc@671	618 return r;
adamc@671	619 }
adamc@671	620
adamc@772	621 uw_Basis_client uw_Basis_self(uw_context ctx) {
adamc@682	622 if (ctx->client == NULL)
adamc@682	623 uw_error(ctx, FATAL, "Call to Basis.self() from page that has only server-side code");
adamc@682	624
adamc@682	625 return ctx->client->id;
adamc@682	626 }
adamc@682	627
adamc@425	628 void uw_pop_cleanup(uw_context ctx) {
adamc@425	629 if (ctx->cleanup_front == ctx->cleanup)
adamc@425	630 uw_error(ctx, FATAL, "Attempt to pop from empty cleanup action stack");
adamc@425	631
adamc@425	632 --ctx->cleanup_front;
adamc@425	633 ctx->cleanup_front->func(ctx->cleanup_front->arg);
adamc@425	634 }
adamc@425	635
adamc@311	636 char *uw_error_message(uw_context ctx) {
adamc@167	637 return ctx->error_message;
adamc@167	638 }
adamc@167	639
adamc@759	640 static input *INP(uw_context ctx) {
adamc@759	641 if (ctx->cur_container == NULL)
adamc@759	642 return ctx->inputs;
adamc@759	643 else if (ctx->cur_container->kind == SUBFORM)
adamc@759	644 return ctx->cur_container->data.subform.fields;
adamc@759	645 else if (ctx->cur_container->kind == ENTRY)
adamc@759	646 return ctx->cur_container->data.entry.fields;
adamc@759	647 else
adamc@760	648 uw_error(ctx, FATAL, "INP: Wrong kind (%d, %p)", ctx->cur_container->kind, ctx->cur_container);
adamc@759	649 }
adamc@759	650
adamc@760	651 static void adjust_pointer(input *ptr, input old_start, input *new_start, size_t len) {
adamc@760	652 if (ptr != NULL && ptr >= old_start && *ptr < old_start + len)
adamc@760	653 *ptr += new_start - old_start;
adamc@760	654 }
adamc@760	655
adamc@760	656 static void adjust_input(input x, input old_start, input *new_start, size_t len) {
adamc@759	657 switch (x->kind) {
adamc@759	658 case SUBFORM:
adamc@760	659 adjust_pointer(&x->data.subform.fields, old_start, new_start, len);
adamc@760	660 adjust_pointer(&x->data.subform.parent, old_start, new_start, len);
adamc@759	661 break;
adamc@759	662 case SUBFORMS:
adamc@760	663 adjust_pointer(&x->data.subforms.entries, old_start, new_start, len);
adamc@760	664 adjust_pointer(&x->data.subforms.parent, old_start, new_start, len);
adamc@759	665 break;
adamc@759	666 case ENTRY:
adamc@760	667 adjust_pointer(&x->data.entry.fields, old_start, new_start, len);
adamc@760	668 adjust_pointer(&x->data.entry.next, old_start, new_start, len);
adamc@760	669 adjust_pointer(&x->data.entry.parent, old_start, new_start, len);
adamc@759	670 }
adamc@759	671 }
adamc@759	672
adamc@759	673 static input *check_input_space(uw_context ctx, size_t len) {
adamc@759	674 size_t i;
adamc@759	675 input *r;
adamc@759	676
adamc@759	677 if (ctx->used_subinputs + len >= ctx->n_subinputs) {
adamc@759	678 input new_subinputs = realloc(ctx->subinputs, sizeof(input) (ctx->used_subinputs + len));
adamc@759	679 size_t offset = new_subinputs - ctx->subinputs;
adamc@759	680
adamc@760	681 if (ctx->subinputs != new_subinputs) {
adamc@760	682 for (i = 0; i < ctx->used_subinputs; ++i)
adamc@760	683 adjust_input(&new_subinputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@1094	684 for (i = 0; i < ctx->app->inputs_len; ++i)
adamc@760	685 adjust_input(&ctx->inputs[i], ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	686
adamc@760	687 adjust_pointer(&ctx->cur_container, ctx->subinputs, new_subinputs, ctx->used_subinputs);
adamc@760	688
adamc@760	689 ctx->n_subinputs = ctx->used_subinputs + len;
adamc@760	690 ctx->subinputs = new_subinputs;
adamc@760	691 }
adamc@759	692 }
adamc@759	693
adamc@759	694 r = &ctx->subinputs[ctx->used_subinputs];
adamc@759	695
adamc@759	696 for (i = 0; i < len; ++i)
adamc@759	697 ctx->subinputs[ctx->used_subinputs++].kind = UNUSED;
adamc@759	698
adamc@759	699 return r;
adamc@759	700 }
adamc@756	701
adamc@801	702 int uw_set_input(uw_context ctx, const char name, char value) {
adamc@1050	703 //printf("Input name %s\n", name);
adamc@1038	704
adamc@756	705 if (!strcasecmp(name, ".b")) {
adamc@1094	706 int n = ctx->app->input_num(value);
adamc@756	707 input *inps;
adamc@756	708
adamc@801	709 if (n < 0) {
adamc@801	710 uw_set_error(ctx, "Bad subform name %s", value);
adamc@801	711 return -1;
adamc@801	712 }
adamc@801	713
adamc@1094	714 if (n >= ctx->app->inputs_len) {
adamc@801	715 uw_set_error(ctx, "For subform name %s, index %d is out of range", value, n);
adamc@801	716 return -1;
adamc@801	717 }
adamc@756	718
adamc@1094	719 inps = check_input_space(ctx, ctx->app->inputs_len);
adamc@759	720
adamc@759	721 INP(ctx)[n].kind = SUBFORM;
adamc@759	722 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@759	723 INP(ctx)[n].data.subform.fields = inps;
adamc@759	724 ctx->cur_container = &INP(ctx)[n];
adamc@756	725 } else if (!strcasecmp(name, ".e")) {
adamc@756	726 input *tmp;
adamc@756	727
adamc@801	728 if (ctx->cur_container == NULL) {
adamc@801	729 uw_set_error(ctx, "Unmatched subform closer");
adamc@801	730 return -1;
adamc@801	731 }
adamc@756	732
adamc@759	733 tmp = ctx->cur_container;
adamc@759	734 switch (tmp->kind) {
adamc@759	735 case SUBFORM:
adamc@759	736 ctx->cur_container = tmp->data.subform.parent;
adamc@759	737 tmp->data.subform.parent = NULL;
adamc@759	738 break;
adamc@759	739 case SUBFORMS:
adamc@759	740 ctx->cur_container = tmp->data.subforms.parent;
adamc@759	741 tmp->data.subforms.parent = NULL;
adamc@759	742 break;
adamc@759	743 case ENTRY:
adamc@759	744 ctx->cur_container = tmp->data.entry.parent;
adamc@759	745 break;
adamc@759	746 default:
adamc@801	747 uw_set_error(ctx, "uw_set_input: Wrong kind");
adamc@801	748 return -1;
adamc@759	749 }
adamc@759	750 } else if (!strcasecmp(name, ".s")) {
adamc@1094	751 int n = ctx->app->input_num(value);
adamc@759	752
adamc@801	753 if (n < 0) {
adamc@801	754 uw_set_error(ctx, "Bad subforms name %s", value);
adamc@801	755 return -1;
adamc@801	756 }
adamc@801	757
adamc@1094	758 if (n >= ctx->app->inputs_len) {
adamc@801	759 uw_set_error(ctx, "For subforms name %s, index %d is out of range", value, n);
adamc@801	760 return -1;
adamc@801	761 }
adamc@759	762
adamc@759	763 INP(ctx)[n].kind = SUBFORMS;
adamc@759	764 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	765 INP(ctx)[n].data.subforms.entries = NULL;
adamc@759	766 ctx->cur_container = &INP(ctx)[n];
adamc@759	767 } else if (!strcasecmp(name, ".i")) {
adamc@759	768 input *inps;
adamc@759	769
adamc@801	770 if (!ctx->cur_container) {
adamc@801	771 uw_set_error(ctx, "New entry without container");
adamc@801	772 return -1;
adamc@801	773 }
adamc@801	774
adamc@801	775 if (ctx->cur_container->kind != SUBFORMS) {
adamc@801	776 uw_set_error(ctx, "Bad kind for entry parent");
adamc@801	777 return -1;
adamc@801	778 }
adamc@759	779
adamc@1094	780 inps = check_input_space(ctx, ctx->app->inputs_len + 1);
adamc@759	781
adamc@759	782 inps->kind = ENTRY;
adamc@759	783 inps->data.entry.parent = ctx->cur_container;
adamc@759	784 inps->data.entry.next = ctx->cur_container->data.subforms.entries;
adamc@759	785 ctx->cur_container->data.subforms.entries = inps;
adamc@759	786
adamc@759	787 inps->data.entry.fields = inps+1;
adamc@759	788 ctx->cur_container = inps;
adamc@756	789 } else {
adamc@1094	790 int n = ctx->app->input_num(name);
adamc@756	791
adamc@801	792 if (n < 0) {
adamc@1038	793 if (!strcmp(name, "null"))
adamc@1038	794 return 0;
adamc@801	795 uw_set_error(ctx, "Bad input name %s", name);
adamc@801	796 return -1;
adamc@801	797 }
adamc@801	798
adamc@1094	799 if (n >= ctx->app->inputs_len) {
adamc@801	800 uw_set_error(ctx, "For input name %s, index %d is out of range", name, n);
adamc@801	801 return -1;
adamc@801	802 }
adamc@756	803
adamc@756	804 INP(ctx)[n].kind = NORMAL;
adamc@756	805 INP(ctx)[n].data.normal = value;
adamc@756	806 }
adamc@801	807
adamc@801	808 return 0;
adamc@144	809 }
adamc@144	810
adamc@311	811 char *uw_get_input(uw_context ctx, int n) {
adamc@169	812 if (n < 0)
adamc@311	813 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	814 if (n >= ctx->app->inputs_len)
adamc@311	815 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	816
adamc@756	817 switch (INP(ctx)[n].kind) {
adamc@737	818 case UNSET:
adamc@737	819 return NULL;
adamc@739	820 case FIL:
adamc@739	821 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	822 case SUBFORM:
adamc@756	823 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	824 case SUBFORMS:
adamc@759	825 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	826 case ENTRY:
adamc@759	827 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	828 case NORMAL:
adamc@756	829 return INP(ctx)[n].data.normal;
adamc@737	830 default:
adamc@737	831 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	832 }
adamc@138	833 }
adamc@138	834
adamc@311	835 char *uw_get_optional_input(uw_context ctx, int n) {
adamc@190	836 if (n < 0)
adamc@311	837 uw_error(ctx, FATAL, "Negative input index %d", n);
adamc@1094	838 if (n >= ctx->app->inputs_len)
adamc@311	839 uw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
adamc@737	840
adamc@756	841 switch (INP(ctx)[n].kind) {
adamc@737	842 case UNSET:
adamc@737	843 return "";
adamc@739	844 case FIL:
adamc@739	845 uw_error(ctx, FATAL, "Tried to read a file form input as normal");
adamc@756	846 case SUBFORM:
adamc@756	847 uw_error(ctx, FATAL, "Tried to read a subform form input as normal");
adamc@759	848 case SUBFORMS:
adamc@759	849 uw_error(ctx, FATAL, "Tried to read a subforms form input as normal");
adamc@759	850 case ENTRY:
adamc@759	851 uw_error(ctx, FATAL, "Tried to read an entry form input as normal");
adamc@737	852 case NORMAL:
adamc@756	853 return INP(ctx)[n].data.normal;
adamc@737	854 default:
adamc@737	855 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	856 }
adamc@737	857 }
adamc@737	858
adamc@801	859 int uw_set_file_input(uw_context ctx, const char *name, uw_Basis_file f) {
adamc@1094	860 int n = ctx->app->input_num(name);
adamc@737	861
adamc@801	862 if (n < 0) {
adamc@801	863 uw_set_error(ctx, "Bad file input name %s", name);
adamc@801	864 return -1;
adamc@801	865 }
adamc@801	866
adamc@1094	867 if (n >= ctx->app->inputs_len) {
adamc@801	868 uw_set_error(ctx, "For file input name %s, index %d is out of range", name, n);
adamc@801	869 return -1;
adamc@801	870 }
adamc@737	871
adamc@739	872 ctx->inputs[n].kind = FIL;
adamc@739	873 ctx->inputs[n].data.file = f;
adamc@801	874
adamc@801	875 return 0;
adamc@737	876 }
adamc@737	877
adamc@739	878 void *uw_malloc(uw_context ctx, size_t len);
adamc@739	879
adamc@760	880 static void parents(input *inp) {
adamc@760	881 printf("Stack: %p\n", inp);
adamc@760	882 while (inp) {
adamc@760	883 switch (inp->kind) {
adamc@760	884 case NORMAL:
adamc@760	885 printf("Normal(%p)\n", inp);
adamc@760	886 break;
adamc@760	887 case FIL:
adamc@760	888 printf("File(%p)\n", inp);
adamc@760	889 break;
adamc@760	890 case SUBFORM:
adamc@760	891 printf("Subform; fields = %p\n", inp->data.subform.fields);
adamc@760	892 inp = inp->data.subform.parent;
adamc@760	893 break;
adamc@760	894 case SUBFORMS:
adamc@760	895 printf("Subforms; entries = %p\n", inp->data.subforms.entries);
adamc@760	896 inp = inp->data.subforms.parent;
adamc@760	897 break;
adamc@760	898 case ENTRY:
adamc@760	899 printf("Entry; fields = %p; next = %p\n", inp->data.entry.fields, inp->data.entry.next);
adamc@760	900 inp = inp->data.entry.parent;
adamc@760	901 break;
adamc@760	902 default:
adamc@760	903 inp = NULL;
adamc@760	904 }
adamc@760	905 }
adamc@760	906 }
adamc@760	907
adamc@739	908 uw_Basis_file uw_get_file_input(uw_context ctx, int n) {
adamc@737	909 if (n < 0)
adamc@737	910 uw_error(ctx, FATAL, "Negative file input index %d", n);
adamc@1094	911 if (n >= ctx->app->inputs_len)
adamc@737	912 uw_error(ctx, FATAL, "Out-of-bounds file input index %d", n);
adamc@737	913
adamc@756	914 switch (INP(ctx)[n].kind) {
adamc@737	915 case UNSET:
adamc@737	916 {
adamc@739	917 char *data = uw_malloc(ctx, 0);
adamc@740	918 uw_Basis_file f = {NULL, "", {0, data}};
adamc@739	919 return f;
adamc@737	920 }
adamc@739	921 case FIL:
adamc@756	922 return INP(ctx)[n].data.file;
adamc@737	923 case NORMAL:
adamc@737	924 uw_error(ctx, FATAL, "Tried to read a normal form input as files");
adamc@756	925 case SUBFORM:
adamc@756	926 uw_error(ctx, FATAL, "Tried to read a subform form input as files");
adamc@759	927 case SUBFORMS:
adamc@759	928 uw_error(ctx, FATAL, "Tried to read a subforms form input as files");
adamc@759	929 case ENTRY:
adamc@759	930 uw_error(ctx, FATAL, "Tried to read an entry form input as files");
adamc@737	931 default:
adamc@737	932 uw_error(ctx, FATAL, "Impossible input kind");
adamc@737	933 }
adamc@190	934 }
adamc@190	935
adamc@756	936 void uw_enter_subform(uw_context ctx, int n) {
adamc@756	937 if (n < 0)
adamc@756	938 uw_error(ctx, FATAL, "Negative subform index %d", n);
adamc@1094	939 if (n >= ctx->app->inputs_len)
adamc@756	940 uw_error(ctx, FATAL, "Out-of-bounds subform index %d", n);
adamc@756	941
adamc@756	942 switch (INP(ctx)[n].kind) {
adamc@756	943 case UNSET:
adamc@756	944 uw_error(ctx, FATAL, "Missing subform");
adamc@756	945 case FIL:
adamc@756	946 uw_error(ctx, FATAL, "Tried to read a file form input as subform");
adamc@756	947 case NORMAL:
adamc@756	948 uw_error(ctx, FATAL, "Tried to read a normal form input as subform");
adamc@759	949 case SUBFORMS:
adamc@759	950 uw_error(ctx, FATAL, "Tried to read a subforms form input as subform");
adamc@759	951 case ENTRY:
adamc@759	952 uw_error(ctx, FATAL, "Tried to read an entry form input as subform");
adamc@756	953 case SUBFORM:
adamc@759	954 INP(ctx)[n].data.subform.parent = ctx->cur_container;
adamc@760	955 ctx->cur_container = &INP(ctx)[n];
adamc@756	956 return;
adamc@756	957 default:
adamc@756	958 uw_error(ctx, FATAL, "Impossible input kind");
adamc@756	959 }
adamc@756	960 }
adamc@756	961
adamc@756	962 void uw_leave_subform(uw_context ctx) {
adamc@756	963 input *tmp;
adamc@756	964
adamc@759	965 if (ctx->cur_container == NULL)
adamc@756	966 uw_error(ctx, FATAL, "Unmatched uw_leave_subform");
adamc@756	967
adamc@759	968 tmp = ctx->cur_container;
adamc@759	969 ctx->cur_container = tmp->data.subform.parent;
adamc@759	970 tmp->data.subform.parent = NULL;
adamc@759	971 }
adamc@759	972
adamc@759	973 int uw_enter_subforms(uw_context ctx, int n) {
adamc@759	974 input *inps;
adamc@759	975
adamc@759	976 if (n < 0)
adamc@759	977 uw_error(ctx, FATAL, "Negative subforms index %d", n);
adamc@1094	978 if (n >= ctx->app->inputs_len)
adamc@759	979 uw_error(ctx, FATAL, "Out-of-bounds subforms index %d", n);
adamc@759	980
adamc@759	981 switch (INP(ctx)[n].kind) {
adamc@759	982 case UNSET:
adamc@759	983 uw_error(ctx, FATAL, "Missing subforms");
adamc@759	984 case FIL:
adamc@759	985 uw_error(ctx, FATAL, "Tried to read a file form input as subforms");
adamc@759	986 case NORMAL:
adamc@759	987 uw_error(ctx, FATAL, "Tried to read a normal form input %p as subforms", &INP(ctx)[n]);
adamc@759	988 case SUBFORM:
adamc@759	989 uw_error(ctx, FATAL, "Tried to read a subform form input as subforms");
adamc@759	990 case ENTRY:
adamc@759	991 uw_error(ctx, FATAL, "Tried to read an entry form input as subforms");
adamc@759	992 case SUBFORMS:
adamc@759	993 inps = INP(ctx)[n].data.subforms.entries;
adamc@759	994 if (inps) {
adamc@759	995 INP(ctx)[n].data.subforms.parent = ctx->cur_container;
adamc@759	996 ctx->cur_container = INP(ctx)[n].data.subforms.entries;
adamc@759	997 return 1;
adamc@759	998 } else
adamc@759	999 return 0;
adamc@759	1000 default:
adamc@759	1001 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1002 }
adamc@759	1003 }
adamc@759	1004
adamc@759	1005 int uw_next_entry(uw_context ctx) {
adamc@759	1006 if (ctx->cur_container == NULL)
adamc@759	1007 uw_error(ctx, FATAL, "uw_next_entry(NULL)");
adamc@759	1008
adamc@759	1009 switch (ctx->cur_container->kind) {
adamc@759	1010 case UNSET:
adamc@759	1011 uw_error(ctx, FATAL, "Missing entry");
adamc@759	1012 case FIL:
adamc@759	1013 uw_error(ctx, FATAL, "Tried to read a file form input as entry");
adamc@759	1014 case NORMAL:
adamc@759	1015 uw_error(ctx, FATAL, "Tried to read a normal form input as entry");
adamc@759	1016 case SUBFORM:
adamc@759	1017 uw_error(ctx, FATAL, "Tried to read a subform form input as entry");
adamc@759	1018 case SUBFORMS:
adamc@759	1019 uw_error(ctx, FATAL, "Tried to read a subforms form input as entry");
adamc@759	1020 case ENTRY:
adamc@759	1021 if (ctx->cur_container->data.entry.next) {
adamc@759	1022 ctx->cur_container = ctx->cur_container->data.entry.next;
adamc@759	1023 return 1;
adamc@759	1024 } else {
adamc@759	1025 ctx->cur_container = ctx->cur_container->data.entry.parent->data.subforms.parent;
adamc@759	1026 return 0;
adamc@759	1027 }
adamc@759	1028 default:
adamc@759	1029 uw_error(ctx, FATAL, "Impossible input kind");
adamc@759	1030 }
adamc@756	1031 }
adamc@756	1032
adamc@643	1033 void uw_set_script_header(uw_context ctx, const char *s) {
adamc@643	1034 ctx->script_header = s;
adamc@643	1035 }
adamc@643	1036
adamc@1094	1037 const char *uw_get_url_prefix(uw_context ctx) {
adamc@1094	1038 return ctx->app->url_prefix;
adamc@667	1039 }
adamc@667	1040
adamc@693	1041 void uw_set_needs_push(uw_context ctx, int n) {
adamc@693	1042 ctx->needs_push = n;
adamc@693	1043 }
adamc@693	1044
adamc@736	1045 void uw_set_needs_sig(uw_context ctx, int n) {
adamc@736	1046 ctx->needs_sig = n;
adamc@736	1047 }
adamc@736	1048
adamc@667	1049
adamc@667	1050 static void buf_check_ctx(uw_context ctx, buf b, size_t extra, const char desc) {
adamc@666	1051 if (b->back - b->front < extra) {
adamc@666	1052 size_t desired = b->front - b->start + extra, next;
adamc@136	1053 char *new_heap;
adamc@136	1054
adamc@666	1055 next = b->back - b->start;
adamc@317	1056 if (next == 0)
adamc@317	1057 next = 1;
adamc@317	1058 for (; next < desired; next *= 2);
adamc@136	1059
adamc@666	1060 new_heap = realloc(b->start, next);
adamc@666	1061 b->front = new_heap + (b->front - b->start);
adamc@666	1062 b->back = new_heap + next;
adamc@136	1063
adamc@667	1064 if (new_heap != b->start) {
adamc@666	1065 b->start = new_heap;
adamc@666	1066 uw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new %s contiguously", desc);
adamc@136	1067 }
adamc@136	1068
adamc@666	1069 b->start = new_heap;
adamc@136	1070 }
adamc@136	1071 }
adamc@136	1072
adamc@832	1073 void uw_check_heap(uw_context ctx, size_t extra) {
adamc@667	1074 buf_check_ctx(ctx, &ctx->heap, extra, "heap chunk");
adamc@666	1075 }
adamc@666	1076
adamc@832	1077 char *uw_heap_front(uw_context ctx) {
adamc@832	1078 return ctx->heap.front;
adamc@832	1079 }
adamc@832	1080
adamc@832	1081 void uw_set_heap_front(uw_context ctx, char *fr) {
adamc@832	1082 ctx->heap.front = fr;
adamc@832	1083 }
adamc@832	1084
adamc@311	1085 void *uw_malloc(uw_context ctx, size_t len) {
adamc@136	1086 void *result;
adamc@136	1087
adamc@311	1088 uw_check_heap(ctx, len);
adamc@136	1089
adamc@666	1090 result = ctx->heap.front;
adamc@666	1091 ctx->heap.front += len;
adamc@136	1092 return result;
adamc@117	1093 }
adamc@117	1094
adamc@323	1095 void uw_begin_region(uw_context ctx) {
adamc@666	1096 regions r = (regions ) ctx->heap.front;
adamc@323	1097
adamc@323	1098 uw_check_heap(ctx, sizeof(regions));
adamc@323	1099
adamc@666	1100 ctx->heap.front += sizeof(regions);
adamc@323	1101
adamc@323	1102 r->next = ctx->regions;
adamc@323	1103 ctx->regions = r;
adamc@323	1104 }
adamc@323	1105
adamc@323	1106 void uw_end_region(uw_context ctx) {
adamc@323	1107 regions *r = ctx->regions;
adamc@323	1108
adamc@323	1109 if (r == NULL)
adamc@323	1110 uw_error(ctx, FATAL, "Region stack underflow");
adamc@323	1111
adamc@666	1112 ctx->heap.front = (char *) r;
adamc@323	1113 ctx->regions = r->next;
adamc@323	1114 }
adamc@323	1115
adamc@324	1116 void uw_memstats(uw_context ctx) {
adamc@666	1117 printf("Headers: %d/%d\n", buf_used(&ctx->outHeaders), buf_avail(&ctx->outHeaders));
adamc@666	1118 printf("Script: %d/%d\n", buf_used(&ctx->script), buf_avail(&ctx->script));
adamc@666	1119 printf("Page: %d/%d\n", buf_used(&ctx->page), buf_avail(&ctx->page));
adamc@666	1120 printf("Heap: %d/%d\n", buf_used(&ctx->heap), buf_avail(&ctx->heap));
adamc@324	1121 }
adamc@324	1122
adamc@311	1123 int uw_send(uw_context ctx, int sock) {
adamc@666	1124 int n = uw_really_send(sock, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@462	1125
adamc@462	1126 if (n < 0)
adamc@462	1127 return n;
adamc@462	1128
adamc@462	1129 n = uw_really_send(sock, "\r\n", 2);
adamc@462	1130
adamc@462	1131 if (n < 0)
adamc@462	1132 return n;
adamc@462	1133
adamc@666	1134 return uw_really_send(sock, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@462	1135 }
adamc@462	1136
adamc@856	1137 int uw_print(uw_context ctx, int fd) {
adamc@856	1138 int n = uw_really_write(fd, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@856	1139
adamc@856	1140 if (n < 0)
adamc@856	1141 return n;
adamc@856	1142
adamc@856	1143 n = uw_really_write(fd, "\r\n", 2);
adamc@856	1144
adamc@856	1145 if (n < 0)
adamc@856	1146 return n;
adamc@856	1147
adamc@856	1148 return uw_really_write(fd, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@856	1149 }
adamc@856	1150
adamc@860	1151 int uw_output(uw_context ctx, int (output)(void data, char buf, size_t len), void data) {
adamc@860	1152 int n = output(data, ctx->outHeaders.start, ctx->outHeaders.front - ctx->outHeaders.start);
adamc@860	1153
adamc@860	1154 if (n < 0)
adamc@860	1155 return n;
adamc@860	1156
adamc@860	1157 n = output(data, "\r\n", 2);
adamc@860	1158
adamc@860	1159 if (n < 0)
adamc@860	1160 return n;
adamc@860	1161
adamc@860	1162 return output(data, ctx->page.start, ctx->page.front - ctx->page.start);
adamc@860	1163 }
adamc@860	1164
adamc@462	1165 static void uw_check_headers(uw_context ctx, size_t extra) {
adamc@667	1166 buf_check(&ctx->outHeaders, extra);
adamc@462	1167 }
adamc@462	1168
adamc@462	1169 void uw_write_header(uw_context ctx, uw_Basis_string s) {
adamc@462	1170 int len = strlen(s);
adamc@462	1171
adamc@462	1172 uw_check_headers(ctx, len + 1);
adamc@666	1173 strcpy(ctx->outHeaders.front, s);
adamc@666	1174 ctx->outHeaders.front += len;
adamc@562	1175 }
adamc@562	1176
adamc@562	1177 static void uw_check_script(uw_context ctx, size_t extra) {
adamc@667	1178 buf_check(&ctx->script, extra);
adamc@562	1179 }
adamc@562	1180
adamc@562	1181 void uw_write_script(uw_context ctx, uw_Basis_string s) {
adamc@562	1182 int len = strlen(s);
adamc@562	1183
adamc@562	1184 uw_check_script(ctx, len + 1);
adamc@666	1185 strcpy(ctx->script.front, s);
adamc@666	1186 ctx->script.front += len;
adamc@562	1187 }
adamc@562	1188
adamc@645	1189 const char *uw_Basis_get_script(uw_context ctx, uw_unit u) {
adamc@916	1190 return "<sc>";
adamc@565	1191 }
adamc@565	1192
adamc@695	1193 uw_Basis_string uw_Basis_maybe_onload(uw_context ctx, uw_Basis_string s) {
adamc@695	1194 if (s[0] == 0)
adamc@695	1195 return "";
adamc@695	1196 else {
adamc@695	1197 char *r = uw_malloc(ctx, 11 + strlen(s));
adamc@695	1198 sprintf(r, " onload='%s'", s);
adamc@695	1199 return r;
adamc@695	1200 }
adamc@695	1201 }
adamc@695	1202
adamc@1042	1203 uw_Basis_string uw_Basis_maybe_onunload(uw_context ctx, uw_Basis_string s) {
adamc@1042	1204 if (ctx->script_header[0] == 0)
adamc@1042	1205 return "";
adamc@1042	1206 else {
adamc@1042	1207 char *r = uw_malloc(ctx, 22 + strlen(s));
adamc@1042	1208 sprintf(r, " onunload='unload();%s'", s);
adamc@1042	1209 return r;
adamc@1042	1210 }
adamc@1042	1211 }
adamc@1042	1212
adamc@694	1213 const char *uw_Basis_get_settings(uw_context ctx, uw_unit u) {
adamc@736	1214 if (ctx->client == NULL) {
adamc@736	1215 if (ctx->needs_sig) {
adamc@1094	1216 char *sig = ctx->app->cookie_sig(ctx);
adamc@736	1217 char *r = uw_malloc(ctx, strlen(sig) + 8);
adamc@736	1218 sprintf(r, "sig=\"%s\";", sig);
adamc@736	1219 return r;
adamc@736	1220 }
adamc@736	1221 else
adamc@736	1222 return "";
adamc@736	1223 } else {
adamc@1094	1224 char *sig = ctx->needs_sig ? ctx->app->cookie_sig(ctx) : "";
adamc@1094	1225 char r = uw_malloc(ctx, 59 + 3 INTS_MAX + strlen(ctx->app->url_prefix)
adamc@736	1226 + (ctx->needs_sig ? strlen(sig) + 7 : 0));
adamc@736	1227 sprintf(r, "client_id=%u;client_pass=%d;url_prefix=\"%s\";timeout=%d;%s%s%slistener();",
adamc@682	1228 ctx->client->id,
adamc@682	1229 ctx->client->pass,
adamc@1094	1230 ctx->app->url_prefix,
adamc@1094	1231 ctx->app->timeout,
adamc@736	1232 ctx->needs_sig ? "sig=\"" : "",
adamc@736	1233 sig,
adamc@736	1234 ctx->needs_sig ? "\";" : "");
adamc@679	1235 return r;
adamc@668	1236 }
adamc@667	1237 }
adamc@667	1238
adamc@574	1239 uw_Basis_string uw_Basis_jsifyString(uw_context ctx, uw_Basis_string s) {
adamc@574	1240 char r, s2;
adamc@574	1241
adamc@574	1242 uw_check_heap(ctx, strlen(s) * 4 + 2);
adamc@574	1243
adamc@666	1244 r = s2 = ctx->heap.front;
adamc@574	1245 *s2++ = '"';
adamc@574	1246
adamc@574	1247 for (; *s; s++) {
adamc@574	1248 char c = *s;
adamc@574	1249
adamc@574	1250 switch (c) {
adamc@574	1251 case '"':
adamc@574	1252 strcpy(s2, "\\\"");
adamc@574	1253 s2 += 2;
adamc@574	1254 break;
adamc@1027	1255 case '\'':
adamc@1027	1256 strcpy(s2, "\\047");
adamc@1027	1257 s2 += 4;
adamc@1027	1258 break;
adamc@574	1259 case '\\':
adamc@574	1260 strcpy(s2, "\\\\");
adamc@574	1261 s2 += 2;
adamc@574	1262 break;
adamc@574	1263 default:
adamc@574	1264 if (isprint(c))
adamc@574	1265 *s2++ = c;
adamc@574	1266 else {
adamc@574	1267 sprintf(s2, "\\%3o", c);
adamc@574	1268 s2 += 4;
adamc@574	1269 }
adamc@574	1270 }
adamc@574	1271 }
adamc@574	1272
adamc@574	1273 strcpy(s2, "\"");
adamc@910	1274 ctx->heap.front = s2 + 2;
adamc@574	1275 return r;
adamc@574	1276 }
adamc@574	1277
adamc@1025	1278 uw_Basis_string uw_Basis_jsifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1025	1279 char r, s2;
adamc@1025	1280
adamc@1025	1281 uw_check_heap(ctx, 6);
adamc@1025	1282
adamc@1025	1283 r = s2 = ctx->heap.front;
adamc@1025	1284 *s2++ = '"';
adamc@1025	1285
adamc@1025	1286 switch (c) {
adamc@1025	1287 case '"':
adamc@1025	1288 strcpy(s2, "\\\"");
adamc@1025	1289 s2 += 2;
adamc@1025	1290 break;
adamc@1027	1291 case '\'':
adamc@1027	1292 strcpy(s2, "\\047");
adamc@1027	1293 s2 += 4;
adamc@1027	1294 break;
adamc@1025	1295 case '\\':
adamc@1025	1296 strcpy(s2, "\\\\");
adamc@1025	1297 s2 += 2;
adamc@1025	1298 break;
adamc@1025	1299 default:
adamc@1025	1300 if (isprint(c))
adamc@1025	1301 *s2++ = c;
adamc@1025	1302 else {
adamc@1025	1303 sprintf(s2, "\\%3o", c);
adamc@1025	1304 s2 += 4;
adamc@1025	1305 }
adamc@1025	1306 }
adamc@1025	1307
adamc@1025	1308 strcpy(s2, "\"");
adamc@1025	1309 ctx->heap.front = s2 + 2;
adamc@1025	1310 return r;
adamc@1025	1311 }
adamc@1025	1312
adamc@574	1313 uw_Basis_string uw_Basis_jsifyString_ws(uw_context ctx, uw_Basis_string s) {
adamc@574	1314 char r, s2;
adamc@574	1315
adamc@574	1316 uw_check_script(ctx, strlen(s) * 4 + 2);
adamc@574	1317
adamc@666	1318 r = s2 = ctx->script.front;
adamc@574	1319 *s2++ = '"';
adamc@574	1320
adamc@574	1321 for (; *s; s++) {
adamc@574	1322 char c = *s;
adamc@574	1323
adamc@574	1324 switch (c) {
adamc@577	1325 case '\'':
adamc@1027	1326 strcpy(s2, "\\");
adamc@574	1327 s2 += 2;
adamc@574	1328 break;
adamc@574	1329 case '\\':
adamc@574	1330 strcpy(s2, "\\\\");
adamc@574	1331 s2 += 2;
adamc@574	1332 break;
adamc@574	1333 default:
adamc@574	1334 if (isprint(c))
adamc@574	1335 *s2++ = c;
adamc@574	1336 else {
adamc@574	1337 sprintf(s2, "\\%3o", c);
adamc@574	1338 s2 += 4;
adamc@574	1339 }
adamc@574	1340 }
adamc@574	1341 }
adamc@574	1342
adamc@574	1343 strcpy(s2, "\"");
adamc@666	1344 ctx->script.front = s2 + 1;
adamc@574	1345 return r;
adamc@574	1346 }
adamc@574	1347
adamc@682	1348 char *uw_Basis_jsifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1349 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1350 return "null";
adamc@682	1351 else {
adamc@682	1352 int len;
adamc@682	1353 char *r;
adamc@682	1354
adamc@682	1355 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1356 r = ctx->heap.front;
adamc@682	1357 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1358 ctx->heap.front += len+1;
adamc@682	1359 return r;
adamc@682	1360 }
adamc@682	1361 }
adamc@682	1362
adamc@577	1363 uw_Basis_int uw_Basis_new_client_source(uw_context ctx, uw_Basis_string s) {
adamc@577	1364 int len;
adamc@577	1365 size_t s_len = strlen(s);
adamc@562	1366
adamc@970	1367 uw_check_script(ctx, 18 + INTS_MAX + s_len);
adamc@970	1368 sprintf(ctx->script.front, "var s%d=sc(exec(%n", ctx->source_count, &len);
adamc@666	1369 ctx->script.front += len;
adamc@666	1370 strcpy(ctx->script.front, s);
adamc@666	1371 ctx->script.front += s_len;
adamc@970	1372 strcpy(ctx->script.front, "));");
adamc@972	1373 ctx->script.front += 3;
adamc@562	1374
adamc@565	1375 return ctx->source_count++;
adamc@117	1376 }
adamc@117	1377
adamc@577	1378 uw_unit uw_Basis_set_client_source(uw_context ctx, uw_Basis_int n, uw_Basis_string s) {
adamc@577	1379 int len;
adamc@577	1380 size_t s_len = strlen(s);
adamc@577	1381
adamc@970	1382 uw_check_script(ctx, 12 + INTS_MAX + s_len);
adamc@970	1383 sprintf(ctx->script.front, "sv(s%d,exec(%n", (int)n, &len);
adamc@666	1384 ctx->script.front += len;
adamc@666	1385 strcpy(ctx->script.front, s);
adamc@666	1386 ctx->script.front += s_len;
adamc@970	1387 strcpy(ctx->script.front, "));");
adamc@972	1388 ctx->script.front += 3;
adamc@577	1389
adamc@577	1390 return uw_unit_v;
adamc@577	1391 }
adamc@577	1392
adamc@311	1393 static void uw_check(uw_context ctx, size_t extra) {
adamc@667	1394 buf_check(&ctx->page, extra);
adamc@117	1395 }
adamc@117	1396
adamc@311	1397 static void uw_writec_unsafe(uw_context ctx, char c) {
adamc@666	1398 *(ctx->page.front)++ = c;
adamc@117	1399 }
adamc@117	1400
adamc@311	1401 void uw_writec(uw_context ctx, char c) {
adamc@311	1402 uw_check(ctx, 1);
adamc@311	1403 uw_writec_unsafe(ctx, c);
adamc@117	1404 }
adamc@117	1405
adamc@311	1406 static void uw_write_unsafe(uw_context ctx, const char* s) {
adamc@117	1407 int len = strlen(s);
adamc@666	1408 memcpy(ctx->page.front, s, len);
adamc@666	1409 ctx->page.front += len;
adamc@117	1410 }
adamc@117	1411
adamc@311	1412 void uw_write(uw_context ctx, const char* s) {
adamc@311	1413 uw_check(ctx, strlen(s) + 1);
adamc@311	1414 uw_write_unsafe(ctx, s);
adamc@666	1415 *ctx->page.front = 0;
adamc@102	1416 }
adamc@106	1417
adamc@311	1418 char *uw_Basis_attrifyInt(uw_context ctx, uw_Basis_int n) {
adamc@136	1419 char *result;
adamc@136	1420 int len;
adamc@311	1421 uw_check_heap(ctx, INTS_MAX);
adamc@666	1422 result = ctx->heap.front;
adamc@276	1423 sprintf(result, "%lld%n", n, &len);
adamc@666	1424 ctx->heap.front += len+1;
adamc@136	1425 return result;
adamc@106	1426 }
adamc@106	1427
adamc@311	1428 char *uw_Basis_attrifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@136	1429 char *result;
adamc@136	1430 int len;
adamc@311	1431 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1432 result = ctx->heap.front;
adamc@136	1433 sprintf(result, "%g%n", n, &len);
adamc@666	1434 ctx->heap.front += len+1;
adamc@136	1435 return result;
adamc@106	1436 }
adamc@106	1437
adamc@1054	1438 static int isCont(unsigned char ch) {
adamc@1054	1439 return ch / 64 == 2;
adamc@1054	1440 }
adamc@1054	1441
adamc@311	1442 char *uw_Basis_attrifyString(uw_context ctx, uw_Basis_string s) {
adamc@136	1443 int len = strlen(s);
adamc@136	1444 char result, p;
adamc@311	1445 uw_check_heap(ctx, len * 6 + 1);
adamc@136	1446
adamc@666	1447 result = p = ctx->heap.front;
adamc@136	1448
adamc@136	1449 for (; *s; s++) {
adamc@1054	1450 unsigned char c = *s;
adamc@136	1451
adamc@136	1452 if (c == '"') {
adamc@136	1453 strcpy(p, """);
adamc@136	1454 p += 6;
adamc@136	1455 } else if (c == '&') {
adamc@136	1456 strcpy(p, "&");
adamc@136	1457 p += 5;
adamc@136	1458 }
adamc@1059	1459 else
adamc@136	1460 *p++ = c;
adamc@136	1461 }
adamc@136	1462
adamc@137	1463 *p++ = 0;
adamc@666	1464 ctx->heap.front = p;
adamc@136	1465 return result;
adamc@106	1466 }
adamc@106	1467
adamc@1011	1468 char *uw_Basis_attrifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	1469 char result, p;
adamc@1011	1470 uw_check_heap(ctx, 7);
adamc@1011	1471
adamc@1011	1472 result = p = ctx->heap.front;
adamc@1011	1473
adamc@1011	1474 if (c == '"') {
adamc@1011	1475 strcpy(p, """);
adamc@1011	1476 p += 6;
adamc@1011	1477 } else if (c == '&') {
adamc@1011	1478 strcpy(p, "&");
adamc@1011	1479 p += 5;
adamc@1011	1480 }
adamc@1059	1481 else
adamc@1011	1482 *p++ = c;
adamc@1011	1483
adamc@1011	1484 *p++ = 0;
adamc@1011	1485 ctx->heap.front = p;
adamc@1011	1486 return result;
adamc@1011	1487 }
adamc@1011	1488
adamc@721	1489 char *uw_Basis_attrifyCss_class(uw_context ctx, uw_Basis_css_class s) {
adamc@721	1490 return s;
adamc@721	1491 }
adamc@721	1492
adamc@311	1493 static void uw_Basis_attrifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@117	1494 int len;
adamc@117	1495
adamc@666	1496 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1497 ctx->page.front += len;
adamc@106	1498 }
adamc@106	1499
adamc@428	1500 uw_unit uw_Basis_attrifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1501 uw_check(ctx, INTS_MAX);
adamc@311	1502 uw_Basis_attrifyInt_w_unsafe(ctx, n);
adamc@428	1503
adamc@428	1504 return uw_unit_v;
adamc@106	1505 }
adamc@106	1506
adamc@428	1507 uw_unit uw_Basis_attrifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@117	1508 int len;
adamc@117	1509
adamc@311	1510 uw_check(ctx, FLOATS_MAX);
adamc@666	1511 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1512 ctx->page.front += len;
adamc@428	1513
adamc@428	1514 return uw_unit_v;
adamc@117	1515 }
adamc@117	1516
adamc@428	1517 uw_unit uw_Basis_attrifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@311	1518 uw_check(ctx, strlen(s) * 6);
adamc@117	1519
adamc@106	1520 for (; *s; s++) {
adamc@1054	1521 unsigned char c = *s;
adamc@106	1522
adamc@106	1523 if (c == '"')
adamc@311	1524 uw_write_unsafe(ctx, """);
adamc@136	1525 else if (c == '&')
adamc@311	1526 uw_write_unsafe(ctx, "&");
adamc@1059	1527 else
adamc@311	1528 uw_writec_unsafe(ctx, c);
adamc@106	1529 }
adamc@428	1530
adamc@428	1531 return uw_unit_v;
adamc@106	1532 }
adamc@120	1533
adamc@1011	1534 uw_unit uw_Basis_attrifyChar_w(uw_context ctx, uw_Basis_char c) {
adamc@1011	1535 uw_check(ctx, 6);
adamc@1011	1536
adamc@1011	1537 if (c == '"')
adamc@1011	1538 uw_write_unsafe(ctx, """);
adamc@1011	1539 else if (c == '&')
adamc@1011	1540 uw_write_unsafe(ctx, "&");
adamc@1059	1541 else
adamc@1011	1542 uw_writec_unsafe(ctx, c);
adamc@1011	1543
adamc@1011	1544 return uw_unit_v;
adamc@1011	1545 }
adamc@1011	1546
adamc@120	1547
adamc@311	1548 char *uw_Basis_urlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@137	1549 int len;
adamc@137	1550 char *r;
adamc@137	1551
adamc@311	1552 uw_check_heap(ctx, INTS_MAX);
adamc@666	1553 r = ctx->heap.front;
adamc@276	1554 sprintf(r, "%lld%n", n, &len);
adamc@666	1555 ctx->heap.front += len+1;
adamc@137	1556 return r;
adamc@120	1557 }
adamc@120	1558
adamc@682	1559 char *uw_Basis_urlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1560 if (ctx->client == NULL \|\| chn.cli != ctx->client->id)
adamc@682	1561 return "";
adamc@682	1562 else {
adamc@682	1563 int len;
adamc@682	1564 char *r;
adamc@679	1565
adamc@682	1566 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	1567 r = ctx->heap.front;
adamc@682	1568 sprintf(r, "%u%n", chn.chn, &len);
adamc@682	1569 ctx->heap.front += len+1;
adamc@682	1570 return r;
adamc@682	1571 }
adamc@679	1572 }
adamc@679	1573
adamc@311	1574 char *uw_Basis_urlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@137	1575 int len;
adamc@137	1576 char *r;
adamc@137	1577
adamc@311	1578 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1579 r = ctx->heap.front;
adamc@137	1580 sprintf(r, "%g%n", n, &len);
adamc@666	1581 ctx->heap.front += len+1;
adamc@137	1582 return r;
adamc@120	1583 }
adamc@120	1584
adamc@311	1585 char *uw_Basis_urlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1586 char r, p;
adamc@137	1587
adamc@925	1588 if (s[0] == '\0')
adamc@925	1589 return "_";
adamc@925	1590
adamc@925	1591 uw_check_heap(ctx, strlen(s) * 3 + 1 + !!(s[0] == '_'));
adamc@925	1592
adamc@925	1593 r = p = ctx->heap.front;
adamc@925	1594 if (s[0] == '_')
adamc@925	1595 *p++ = '_';
adamc@925	1596
adamc@925	1597 for (; *s; s++) {
adamc@1087	1598 unsigned char c = *s;
adamc@137	1599
adamc@137	1600 if (c == ' ')
adamc@137	1601 *p++ = '+';
adamc@137	1602 else if (isalnum(c))
adamc@137	1603 *p++ = c;
adamc@137	1604 else {
adamc@137	1605 sprintf(p, "%%%02X", c);
adamc@137	1606 p += 3;
adamc@137	1607 }
adamc@137	1608 }
adamc@137	1609
adamc@137	1610 *p++ = 0;
adamc@666	1611 ctx->heap.front = p;
adamc@137	1612 return r;
adamc@120	1613 }
adamc@120	1614
adamc@311	1615 char *uw_Basis_urlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1616 if (b == uw_Basis_False)
adamc@186	1617 return "0";
adamc@186	1618 else
adamc@186	1619 return "1";
adamc@186	1620 }
adamc@186	1621
adamc@311	1622 static void uw_Basis_urlifyInt_w_unsafe(uw_context ctx, uw_Basis_int n) {
adamc@120	1623 int len;
adamc@120	1624
adamc@666	1625 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1626 ctx->page.front += len;
adamc@120	1627 }
adamc@120	1628
adamc@428	1629 uw_unit uw_Basis_urlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@311	1630 uw_check(ctx, INTS_MAX);
adamc@311	1631 uw_Basis_urlifyInt_w_unsafe(ctx, n);
adamc@428	1632
adamc@428	1633 return uw_unit_v;
adamc@120	1634 }
adamc@120	1635
adamc@682	1636 uw_unit uw_Basis_urlifyChannel_w(uw_context ctx, uw_Basis_channel chn) {
adamc@682	1637 if (ctx->client != NULL && chn.cli == ctx->client->id) {
adamc@682	1638 int len;
adamc@682	1639
adamc@682	1640 uw_check(ctx, INTS_MAX + 1);
adamc@682	1641 sprintf(ctx->page.front, "%u%n", chn.chn, &len);
adamc@682	1642 ctx->page.front += len;
adamc@682	1643 }
adamc@682	1644
adamc@679	1645 return uw_unit_v;
adamc@679	1646 }
adamc@679	1647
adamc@428	1648 uw_unit uw_Basis_urlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@120	1649 int len;
adamc@120	1650
adamc@311	1651 uw_check(ctx, FLOATS_MAX);
adamc@666	1652 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1653 ctx->page.front += len;
adamc@428	1654
adamc@428	1655 return uw_unit_v;
adamc@120	1656 }
adamc@120	1657
adamc@488	1658 uw_Basis_string uw_Basis_urlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@488	1659 return uw_Basis_urlifyInt(ctx, t);
adamc@488	1660 }
adamc@488	1661
adamc@428	1662 uw_unit uw_Basis_urlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@925	1663 if (s[0] == '\0') {
adamc@925	1664 uw_check(ctx, 1);
adamc@925	1665 uw_writec_unsafe(ctx, '_');
adamc@925	1666 return uw_unit_v;
adamc@925	1667 }
adamc@925	1668
adamc@925	1669 uw_check(ctx, strlen(s) * 3 + !!(s[0] == '_'));
adamc@925	1670
adamc@925	1671 if (s[0] == '_')
adamc@925	1672 uw_writec_unsafe(ctx, '_');
adamc@120	1673
adamc@120	1674 for (; *s; s++) {
adamc@1087	1675 unsigned char c = *s;
adamc@120	1676
adamc@120	1677 if (c == ' ')
adamc@311	1678 uw_writec_unsafe(ctx, '+');
adamc@120	1679 else if (isalnum(c))
adamc@311	1680 uw_writec_unsafe(ctx, c);
adamc@120	1681 else {
adamc@666	1682 sprintf(ctx->page.front, "%%%02X", c);
adamc@666	1683 ctx->page.front += 3;
adamc@120	1684 }
adamc@120	1685 }
adamc@428	1686
adamc@428	1687 return uw_unit_v;
adamc@120	1688 }
adamc@120	1689
adamc@428	1690 uw_unit uw_Basis_urlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1691 if (b == uw_Basis_False)
adamc@311	1692 uw_writec(ctx, '0');
adamc@186	1693 else
adamc@311	1694 uw_writec(ctx, '1');
adamc@428	1695
adamc@428	1696 return uw_unit_v;
adamc@186	1697 }
adamc@186	1698
adamc@120	1699
adamc@311	1700 static char uw_unurlify_advance(char s) {
adamc@144	1701 char *new_s = strchr(s, '/');
adamc@120	1702
adamc@120	1703 if (new_s)
adamc@120	1704 *new_s++ = 0;
adamc@120	1705 else
adamc@144	1706 new_s = strchr(s, 0);
adamc@144	1707
adamc@144	1708 return new_s;
adamc@144	1709 }
adamc@144	1710
adamc@311	1711 uw_Basis_int uw_Basis_unurlifyInt(uw_context ctx, char **s) {
adamc@311	1712 char new_s = uw_unurlify_advance(s);
adamc@311	1713 uw_Basis_int r;
adamc@120	1714
adamc@276	1715 r = atoll(*s);
adamc@120	1716 *s = new_s;
adamc@120	1717 return r;
adamc@120	1718 }
adamc@120	1719
adamc@311	1720 uw_Basis_float uw_Basis_unurlifyFloat(uw_context ctx, char **s) {
adamc@311	1721 char new_s = uw_unurlify_advance(s);
adamc@311	1722 uw_Basis_float r;
adamc@120	1723
adamc@120	1724 r = atof(*s);
adamc@120	1725 *s = new_s;
adamc@120	1726 return r;
adamc@120	1727 }
adamc@120	1728
adamc@488	1729 uw_Basis_time uw_Basis_unurlifyTime(uw_context ctx, char **s) {
adamc@488	1730 return uw_Basis_unurlifyInt(ctx, s);
adamc@488	1731 }
adamc@488	1732
adamc@1023	1733 static uw_Basis_string uw_unurlifyString_to(int fromClient, uw_context ctx, char r, char s) {
adamc@927	1734 char s1, s2 = s;
adamc@144	1735 int n;
adamc@136	1736
adamc@1023	1737 if (!fromClient) {
adamc@1023	1738 if (*s2 == '_')
adamc@1023	1739 ++s2;
adamc@1023	1740 else if (s2[0] == '%' && s2[1] == '5' && (s2[2] == 'f' \|\| s2[2] == 'F'))
adamc@1023	1741 s2 += 3;
adamc@1023	1742 }
adamc@925	1743
adamc@927	1744 for (s1 = r; *s2; ++s1, ++s2) {
adamc@1087	1745 unsigned char c = *s2;
adamc@136	1746
adamc@136	1747 switch (c) {
adamc@136	1748 case '+':
adamc@136	1749 *s1 = ' ';
adamc@136	1750 break;
adamc@136	1751 case '%':
adamc@169	1752 if (s2[1] == 0)
adamc@311	1753 uw_error(ctx, FATAL, "Missing first character of escaped URL byte");
adamc@169	1754 if (s2[2] == 0)
adamc@311	1755 uw_error(ctx, FATAL, "Missing second character of escaped URL byte");
adamc@169	1756 if (sscanf(s2+1, "%02X", &n) != 1)
adamc@311	1757 uw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
adamc@136	1758 *s1 = n;
adamc@136	1759 s2 += 2;
adamc@136	1760 break;
adamc@136	1761 default:
adamc@136	1762 *s1 = c;
adamc@136	1763 }
adamc@136	1764 }
adamc@136	1765 *s1++ = 0;
adamc@144	1766 return s1;
adamc@144	1767 }
adamc@144	1768
adamc@311	1769 uw_Basis_bool uw_Basis_unurlifyBool(uw_context ctx, char **s) {
adamc@311	1770 char new_s = uw_unurlify_advance(s);
adamc@311	1771 uw_Basis_bool r;
adamc@186	1772
adamc@186	1773 if (s[0] == 0 \|\| !strcmp(s, "0") \|\| !strcmp(*s, "off"))
adamc@311	1774 r = uw_Basis_False;
adamc@186	1775 else
adamc@311	1776 r = uw_Basis_True;
adamc@186	1777
adamc@186	1778 *s = new_s;
adamc@186	1779 return r;
adamc@186	1780 }
adamc@186	1781
adamc@311	1782 uw_Basis_string uw_Basis_unurlifyString(uw_context ctx, char **s) {
adamc@311	1783 char new_s = uw_unurlify_advance(s);
adamc@144	1784 char r, s1, *s2;
adamc@144	1785 int len, n;
adamc@144	1786
adamc@200	1787 len = strlen(*s);
adamc@311	1788 uw_check_heap(ctx, len + 1);
adamc@144	1789
adamc@666	1790 r = ctx->heap.front;
adamc@1023	1791 ctx->heap.front = uw_unurlifyString_to(0, ctx, ctx->heap.front, *s);
adamc@1023	1792 *s = new_s;
adamc@1023	1793 return r;
adamc@1023	1794 }
adamc@1023	1795
adamc@1109	1796 uw_Basis_unit uw_Basis_unurlifyUnit(uw_context ctx, char **s) {
adamc@1109	1797 s = uw_unurlify_advance(s);
adamc@1109	1798 return uw_unit_v;
adamc@1109	1799 }
adamc@1109	1800
adamc@1023	1801 uw_Basis_string uw_Basis_unurlifyString_fromClient(uw_context ctx, char **s) {
adamc@1023	1802 char new_s = uw_unurlify_advance(s);
adamc@1023	1803 char r, s1, *s2;
adamc@1023	1804 int len, n;
adamc@1023	1805
adamc@1023	1806 len = strlen(*s);
adamc@1023	1807 uw_check_heap(ctx, len + 1);
adamc@1023	1808
adamc@1023	1809 r = ctx->heap.front;
adamc@1023	1810 ctx->heap.front = uw_unurlifyString_to(1, ctx, ctx->heap.front, *s);
adamc@136	1811 *s = new_s;
adamc@136	1812 return r;
adamc@120	1813 }
adamc@135	1814
adamc@135	1815
adamc@311	1816 char *uw_Basis_htmlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@286	1817 int len;
adamc@286	1818 char *r;
adamc@286	1819
adamc@311	1820 uw_check_heap(ctx, INTS_MAX);
adamc@666	1821 r = ctx->heap.front;
adamc@286	1822 sprintf(r, "%lld%n", n, &len);
adamc@666	1823 ctx->heap.front += len+1;
adamc@286	1824 return r;
adamc@286	1825 }
adamc@286	1826
adamc@428	1827 uw_unit uw_Basis_htmlifyInt_w(uw_context ctx, uw_Basis_int n) {
adamc@286	1828 int len;
adamc@286	1829
adamc@311	1830 uw_check(ctx, INTS_MAX);
adamc@666	1831 sprintf(ctx->page.front, "%lld%n", n, &len);
adamc@666	1832 ctx->page.front += len;
adamc@428	1833
adamc@428	1834 return uw_unit_v;
adamc@286	1835 }
adamc@286	1836
adamc@311	1837 char *uw_Basis_htmlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@286	1838 int len;
adamc@286	1839 char *r;
adamc@286	1840
adamc@311	1841 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	1842 r = ctx->heap.front;
adamc@286	1843 sprintf(r, "%g%n", n, &len);
adamc@666	1844 ctx->heap.front += len+1;
adamc@286	1845 return r;
adamc@286	1846 }
adamc@286	1847
adamc@428	1848 uw_unit uw_Basis_htmlifyFloat_w(uw_context ctx, uw_Basis_float n) {
adamc@286	1849 int len;
adamc@286	1850
adamc@311	1851 uw_check(ctx, FLOATS_MAX);
adamc@666	1852 sprintf(ctx->page.front, "%g%n", n, &len);
adamc@666	1853 ctx->page.front += len;
adamc@428	1854
adamc@428	1855 return uw_unit_v;
adamc@286	1856 }
adamc@286	1857
adamc@311	1858 char *uw_Basis_htmlifyString(uw_context ctx, uw_Basis_string s) {
adamc@137	1859 char r, s2;
adamc@137	1860
adamc@311	1861 uw_check_heap(ctx, strlen(s) * 5 + 1);
adamc@137	1862
adamc@666	1863 for (r = s2 = ctx->heap.front; *s; s++) {
adamc@1054	1864 unsigned char c = *s;
adamc@137	1865
adamc@137	1866 switch (c) {
adamc@137	1867 case '<':
adamc@137	1868 strcpy(s2, "<");
adamc@137	1869 s2 += 4;
adamc@137	1870 break;
adamc@137	1871 case '&':
adamc@137	1872 strcpy(s2, "&");
adamc@137	1873 s2 += 5;
adamc@137	1874 break;
adamc@137	1875 default:
adamc@1059	1876 *s2++ = c;
adamc@137	1877 }
adamc@137	1878 }
adamc@137	1879
adamc@137	1880 *s2++ = 0;
adamc@666	1881 ctx->heap.front = s2;
adamc@137	1882 return r;
adamc@135	1883 }
adamc@135	1884
adamc@428	1885 uw_unit uw_Basis_htmlifyString_w(uw_context ctx, uw_Basis_string s) {
adamc@321	1886 uw_check(ctx, strlen(s) * 6);
adamc@135	1887
adamc@135	1888 for (; *s; s++) {
adamc@1054	1889 unsigned char c = *s;
adamc@135	1890
adamc@135	1891 switch (c) {
adamc@135	1892 case '<':
adamc@311	1893 uw_write_unsafe(ctx, "<");
adamc@135	1894 break;
adamc@135	1895 case '&':
adamc@311	1896 uw_write_unsafe(ctx, "&");
adamc@135	1897 break;
adamc@135	1898 default:
adamc@1059	1899 uw_writec_unsafe(ctx, c);
adamc@135	1900 }
adamc@135	1901 }
adamc@428	1902
adamc@428	1903 return uw_unit_v;
adamc@135	1904 }
adamc@180	1905
adamc@311	1906 uw_Basis_string uw_Basis_htmlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	1907 if (b == uw_Basis_False)
adamc@286	1908 return "False";
adamc@286	1909 else
adamc@286	1910 return "True";
adamc@286	1911 }
adamc@286	1912
adamc@428	1913 uw_unit uw_Basis_htmlifyBool_w(uw_context ctx, uw_Basis_bool b) {
adamc@311	1914 if (b == uw_Basis_False) {
adamc@311	1915 uw_check(ctx, 6);
adamc@666	1916 strcpy(ctx->page.front, "False");
adamc@666	1917 ctx->page.front += 5;
adamc@286	1918 } else {
adamc@311	1919 uw_check(ctx, 5);
adamc@666	1920 strcpy(ctx->page.front, "True");
adamc@666	1921 ctx->page.front += 4;
adamc@286	1922 }
adamc@428	1923
adamc@428	1924 return uw_unit_v;
adamc@286	1925 }
adamc@286	1926
adamc@436	1927 #define TIME_FMT "%x %X"
adamc@438	1928 #define TIME_FMT_PG "%Y-%m-%d %T"
adamc@436	1929
adamc@436	1930 uw_Basis_string uw_Basis_htmlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@436	1931 size_t len;
adamc@436	1932 char *r;
adamc@436	1933 struct tm stm;
adamc@436	1934
adamc@436	1935 if (localtime_r(&t, &stm)) {
adamc@436	1936 uw_check_heap(ctx, TIMES_MAX);
adamc@666	1937 r = ctx->heap.front;
adamc@436	1938 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	1939 ctx->heap.front += len+1;
adamc@436	1940 return r;
adamc@436	1941 } else
adamc@436	1942 return "<i>Invalid time</i>";
adamc@436	1943 }
adamc@436	1944
adamc@436	1945 uw_unit uw_Basis_htmlifyTime_w(uw_context ctx, uw_Basis_time t) {
adamc@436	1946 size_t len;
adamc@436	1947 char *r;
adamc@436	1948 struct tm stm;
adamc@436	1949
adamc@436	1950 if (localtime_r(&t, &stm)) {
adamc@436	1951 uw_check(ctx, TIMES_MAX);
adamc@666	1952 r = ctx->page.front;
adamc@436	1953 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	1954 ctx->page.front += len;
adamc@436	1955 } else {
adamc@436	1956 uw_check(ctx, 20);
adamc@666	1957 strcpy(ctx->page.front, "<i>Invalid time</i>");
adamc@666	1958 ctx->page.front += 19;
adamc@436	1959 }
adamc@436	1960
adamc@436	1961 return uw_unit_v;
adamc@436	1962 }
adamc@436	1963
adamc@821	1964 uw_Basis_char uw_Basis_strsub(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821	1965 if (n >= 0 && n < strlen(s))
adamc@821	1966 return s[n];
adamc@821	1967 else
adamc@821	1968 uw_error(ctx, FATAL, "Out-of-bounds strsub");
adamc@821	1969 }
adamc@821	1970
adamc@821	1971 uw_Basis_string uw_Basis_strsuffix(uw_context ctx, uw_Basis_string s, uw_Basis_int n) {
adamc@821	1972 if (n >= 0 && n < strlen(s))
adamc@821	1973 return &s[n];
adamc@821	1974 else
adamc@821	1975 uw_error(ctx, FATAL, "Out-of-bounds strsuffix");
adamc@821	1976 }
adamc@821	1977
adamc@828	1978 uw_Basis_int uw_Basis_strlen(uw_context ctx, uw_Basis_string s) {
adamc@828	1979 return strlen(s);
adamc@828	1980 }
adamc@828	1981
adamc@829	1982 uw_Basis_string uw_Basis_strchr(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	1983 return strchr(s, ch);
adamc@829	1984 }
adamc@829	1985
adamc@831	1986 uw_Basis_int uw_Basis_strcspn(uw_context ctx, uw_Basis_string s, uw_Basis_string chs) {
adamc@831	1987 return strcspn(s, chs);
adamc@831	1988 }
adamc@831	1989
adamc@829	1990 uw_Basis_int *uw_Basis_strindex(uw_context ctx, uw_Basis_string s, uw_Basis_char ch) {
adamc@829	1991 uw_Basis_string r = strchr(s, ch);
adamc@829	1992 if (r == NULL)
adamc@829	1993 return NULL;
adamc@829	1994 else {
adamc@829	1995 uw_Basis_int *nr = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@829	1996 *nr = r - s;
adamc@829	1997 return nr;
adamc@829	1998 }
adamc@829	1999 }
adamc@829	2000
adamc@311	2001 uw_Basis_string uw_Basis_strcat(uw_context ctx, uw_Basis_string s1, uw_Basis_string s2) {
adamc@828	2002 int len = uw_Basis_strlen(ctx, s1) + uw_Basis_strlen(ctx, s2) + 1;
adamc@180	2003 char *s;
adamc@180	2004
adamc@311	2005 uw_check_heap(ctx, len);
adamc@180	2006
adamc@666	2007 s = ctx->heap.front;
adamc@180	2008
adamc@180	2009 strcpy(s, s1);
adamc@180	2010 strcat(s, s2);
adamc@666	2011 ctx->heap.front += len;
adamc@180	2012
adamc@180	2013 return s;
adamc@180	2014 }
adamc@278	2015
adamc@829	2016 uw_Basis_string uw_Basis_substring(uw_context ctx, uw_Basis_string s, uw_Basis_int start, uw_Basis_int len) {
adamc@829	2017 size_t full_len = uw_Basis_strlen(ctx, s);
adamc@829	2018
adamc@829	2019 if (start < 0)
adamc@829	2020 uw_error(ctx, FATAL, "substring: Negative start index");
adamc@829	2021 if (len < 0)
adamc@829	2022 uw_error(ctx, FATAL, "substring: Negative length");
adamc@829	2023 if (start + len > full_len)
adamc@829	2024 uw_error(ctx, FATAL, "substring: Start index plus length is too large");
adamc@829	2025
adamc@829	2026 if (start + len == full_len)
adamc@829	2027 return &s[start];
adamc@829	2028 else {
adamc@829	2029 uw_Basis_string r = uw_malloc(ctx, len+1);
adamc@959	2030 memcpy(r, s+start, len);
adamc@829	2031 r[len] = 0;
adamc@829	2032 return r;
adamc@829	2033 }
adamc@829	2034
adamc@829	2035 }
adamc@829	2036
adamc@1023	2037 uw_Basis_string uw_Basis_str1(uw_context ctx, uw_Basis_char ch) {
adamc@1023	2038 char *r;
adamc@1023	2039
adamc@1023	2040 uw_check_heap(ctx, 2);
adamc@1023	2041 r = ctx->heap.front;
adamc@1023	2042 r[0] = ch;
adamc@1023	2043 r[1] = 0;
adamc@1023	2044
adamc@1023	2045 ctx->heap.front += 2;
adamc@1023	2046
adamc@1023	2047 return r;
adamc@1023	2048 }
adamc@1023	2049
adamc@737	2050 uw_Basis_string uw_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@828	2051 int len = uw_Basis_strlen(ctx, s1) + 1;
adamc@278	2052 char *s;
adamc@278	2053
adamc@311	2054 uw_check_heap(ctx, len);
adamc@278	2055
adamc@666	2056 s = ctx->heap.front;
adamc@278	2057
adamc@278	2058 strcpy(s, s1);
adamc@666	2059 ctx->heap.front += len;
adamc@278	2060
adamc@278	2061 return s;
adamc@278	2062 }
adamc@280	2063
adamc@737	2064 uw_Basis_string uw_maybe_strdup(uw_context ctx, uw_Basis_string s1) {
adamc@493	2065 if (s1)
adamc@737	2066 return uw_strdup(ctx, s1);
adamc@493	2067 else
adamc@493	2068 return NULL;
adamc@493	2069 }
adamc@493	2070
adamc@742	2071 char uw_memdup(uw_context ctx, const char p, size_t len) {
adamc@742	2072 char *r = uw_malloc(ctx, len);
adamc@742	2073 memcpy(r, p, len);
adamc@742	2074 return r;
adamc@742	2075 }
adamc@280	2076
adamc@879	2077 char *uw_sqlfmtInt = "%lld::int8%n";
adamc@879	2078
adamc@311	2079 char *uw_Basis_sqlifyInt(uw_context ctx, uw_Basis_int n) {
adamc@281	2080 int len;
adamc@281	2081 char *r;
adamc@281	2082
adamc@311	2083 uw_check_heap(ctx, INTS_MAX + 6);
adamc@666	2084 r = ctx->heap.front;
adamc@879	2085 sprintf(r, uw_sqlfmtInt, n, &len);
adamc@666	2086 ctx->heap.front += len+1;
adamc@281	2087 return r;
adamc@281	2088 }
adamc@281	2089
adamc@467	2090 char uw_Basis_sqlifyIntN(uw_context ctx, uw_Basis_int n) {
adamc@467	2091 if (n == NULL)
adamc@467	2092 return "NULL";
adamc@467	2093 else
adamc@467	2094 return uw_Basis_sqlifyInt(ctx, *n);
adamc@467	2095 }
adamc@467	2096
adamc@879	2097 char *uw_sqlfmtFloat = "%g::float8%n";
adamc@879	2098
adamc@311	2099 char *uw_Basis_sqlifyFloat(uw_context ctx, uw_Basis_float n) {
adamc@281	2100 int len;
adamc@281	2101 char *r;
adamc@281	2102
adamc@311	2103 uw_check_heap(ctx, FLOATS_MAX + 8);
adamc@666	2104 r = ctx->heap.front;
adamc@879	2105 sprintf(r, uw_sqlfmtFloat, n, &len);
adamc@666	2106 ctx->heap.front += len+1;
adamc@281	2107 return r;
adamc@281	2108 }
adamc@281	2109
adamc@467	2110 char uw_Basis_sqlifyFloatN(uw_context ctx, uw_Basis_float n) {
adamc@467	2111 if (n == NULL)
adamc@467	2112 return "NULL";
adamc@467	2113 else
adamc@467	2114 return uw_Basis_sqlifyFloat(ctx, *n);
adamc@467	2115 }
adamc@467	2116
adamc@879	2117 int uw_Estrings = 1;
adamc@879	2118 char *uw_sqlsuffixString = "::text";
adamc@1011	2119 char *uw_sqlsuffixChar = "::char";
adamc@281	2120
adamc@311	2121 uw_Basis_string uw_Basis_sqlifyString(uw_context ctx, uw_Basis_string s) {
adamc@280	2122 char r, s2;
adamc@280	2123
adamc@879	2124 uw_check_heap(ctx, strlen(s) * 2 + 3 + uw_Estrings + strlen(uw_sqlsuffixString));
adamc@280	2125
adamc@666	2126 r = s2 = ctx->heap.front;
adamc@879	2127 if (uw_Estrings)
adamc@879	2128 *s2++ = 'E';
adamc@280	2129 *s2++ = '\'';
adamc@280	2130
adamc@280	2131 for (; *s; s++) {
adamc@280	2132 char c = *s;
adamc@280	2133
adamc@280	2134 switch (c) {
adamc@280	2135 case '\'':
adamc@885	2136 if (uw_Estrings)
adamc@885	2137 strcpy(s2, "\\'");
adamc@885	2138 else
adamc@885	2139 strcpy(s2, "''");
adamc@280	2140 s2 += 2;
adamc@280	2141 break;
adamc@280	2142 case '\\':
adamc@885	2143 if (uw_Estrings) {
adamc@885	2144 strcpy(s2, "\\\\");
adamc@885	2145 s2 += 2;
adamc@885	2146 } else
adamc@885	2147 *s2++ = '\\';
adamc@280	2148 break;
adamc@280	2149 default:
adamc@280	2150 if (isprint(c))
adamc@280	2151 *s2++ = c;
adamc@879	2152 else if (uw_Estrings) {
adamc@737	2153 sprintf(s2, "\\%03o", c);
adamc@280	2154 s2 += 4;
adamc@280	2155 }
adamc@879	2156 else
adamc@879	2157 uw_error(ctx, FATAL, "Non-printable character %u in string to SQLify", c);
adamc@280	2158 }
adamc@280	2159 }
adamc@280	2160
adamc@879	2161 *s2++ = '\'';
adamc@879	2162 strcpy(s2, uw_sqlsuffixString);
adamc@879	2163 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixString);
adamc@280	2164 return r;
adamc@280	2165 }
adamc@281	2166
adamc@1011	2167 uw_Basis_string uw_Basis_sqlifyChar(uw_context ctx, uw_Basis_char c) {
adamc@1011	2168 char r, s2;
adamc@1011	2169
adamc@1011	2170 uw_check_heap(ctx, 5 + uw_Estrings + strlen(uw_sqlsuffixChar));
adamc@1011	2171
adamc@1011	2172 r = s2 = ctx->heap.front;
adamc@1011	2173 if (uw_Estrings)
adamc@1011	2174 *s2++ = 'E';
adamc@1011	2175 *s2++ = '\'';
adamc@1011	2176
adamc@1011	2177 switch (c) {
adamc@1011	2178 case '\'':
adamc@1011	2179 if (uw_Estrings)
adamc@1011	2180 strcpy(s2, "\\'");
adamc@1011	2181 else
adamc@1011	2182 strcpy(s2, "''");
adamc@1011	2183 s2 += 2;
adamc@1011	2184 break;
adamc@1011	2185 case '\\':
adamc@1011	2186 if (uw_Estrings) {
adamc@1011	2187 strcpy(s2, "\\\\");
adamc@1011	2188 s2 += 2;
adamc@1011	2189 } else
adamc@1011	2190 *s2++ = '\\';
adamc@1011	2191 break;
adamc@1011	2192 default:
adamc@1011	2193 if (isprint(c))
adamc@1011	2194 *s2++ = c;
adamc@1011	2195 else if (uw_Estrings) {
adamc@1011	2196 sprintf(s2, "\\%03o", c);
adamc@1011	2197 s2 += 4;
adamc@1011	2198 }
adamc@1011	2199 else
adamc@1011	2200 uw_error(ctx, FATAL, "Non-printable character %u in char to SQLify", c);
adamc@1011	2201 }
adamc@1011	2202
adamc@1011	2203 *s2++ = '\'';
adamc@1011	2204 strcpy(s2, uw_sqlsuffixChar);
adamc@1011	2205 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixChar);
adamc@1011	2206 return r;
adamc@1011	2207 }
adamc@1011	2208
adamc@879	2209 char *uw_sqlsuffixBlob = "::bytea";
adamc@879	2210
adamc@737	2211 uw_Basis_string uw_Basis_sqlifyBlob(uw_context ctx, uw_Basis_blob b) {
adamc@737	2212 char r, s2;
adamc@737	2213 size_t i;
adamc@737	2214
adamc@879	2215 uw_check_heap(ctx, b.size * 5 + 3 + uw_Estrings + strlen(uw_sqlsuffixBlob));
adamc@737	2216
adamc@737	2217 r = s2 = ctx->heap.front;
adamc@879	2218 if (uw_Estrings)
adamc@879	2219 *s2++ = 'E';
adamc@737	2220 *s2++ = '\'';
adamc@737	2221
adamc@737	2222 for (i = 0; i < b.size; ++i) {
adamc@737	2223 char c = b.data[i];
adamc@737	2224
adamc@737	2225 switch (c) {
adamc@737	2226 case '\'':
adamc@885	2227 if (uw_Estrings)
adamc@885	2228 strcpy(s2, "\\'");
adamc@885	2229 else
adamc@885	2230 strcpy(s2, "''");
adamc@737	2231 s2 += 2;
adamc@737	2232 break;
adamc@737	2233 case '\\':
adamc@885	2234 if (uw_Estrings) {
adamc@885	2235 strcpy(s2, "\\\\\\\\");
adamc@885	2236 s2 += 4;
adamc@885	2237 } else
adamc@885	2238 *s2++ = '\\';
adamc@737	2239 break;
adamc@737	2240 default:
adamc@737	2241 if (isprint(c))
adamc@737	2242 *s2++ = c;
adamc@879	2243 else if (uw_Estrings) {
adamc@737	2244 sprintf(s2, "\\\\%03o", c);
adamc@737	2245 s2 += 5;
adamc@737	2246 }
adamc@879	2247 else
adamc@879	2248 uw_error(ctx, FATAL, "Non-printable character %u in blob to SQLify", c);
adamc@737	2249 }
adamc@737	2250 }
adamc@737	2251
adamc@879	2252 *s2++ = '\'';
adamc@879	2253 strcpy(s2, uw_sqlsuffixBlob);
adamc@879	2254 ctx->heap.front = s2 + 1 + strlen(uw_sqlsuffixBlob);
adamc@737	2255 return r;
adamc@737	2256 }
adamc@737	2257
adamc@682	2258 char *uw_Basis_sqlifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2259 int len;
adamc@682	2260 char *r;
adamc@682	2261 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2262
adamc@682	2263 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2264 r = ctx->heap.front;
adamc@879	2265 sprintf(r, uw_sqlfmtInt, combo, &len);
adamc@682	2266 ctx->heap.front += len+1;
adamc@682	2267 return r;
adamc@682	2268 }
adamc@682	2269
adamc@682	2270 char *uw_Basis_attrifyChannel(uw_context ctx, uw_Basis_channel chn) {
adamc@682	2271 int len;
adamc@682	2272 char *r;
adamc@682	2273 unsigned long long combo = ((unsigned long long)chn.cli << 32) \| chn.chn;
adamc@682	2274
adamc@682	2275 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2276 r = ctx->heap.front;
adamc@682	2277 sprintf(r, "%lld%n", combo, &len);
adamc@682	2278 ctx->heap.front += len+1;
adamc@682	2279 return r;
adamc@682	2280 }
adamc@682	2281
adamc@879	2282 char *uw_sqlfmtUint4 = "%u::int4%n";
adamc@879	2283
adamc@682	2284 char *uw_Basis_sqlifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2285 int len;
adamc@682	2286 char *r;
adamc@682	2287
adamc@682	2288 uw_check_heap(ctx, INTS_MAX + 7);
adamc@682	2289 r = ctx->heap.front;
adamc@879	2290 sprintf(r, uw_sqlfmtUint4, cli, &len);
adamc@682	2291 ctx->heap.front += len+1;
adamc@682	2292 return r;
adamc@682	2293 }
adamc@682	2294
adamc@682	2295 char *uw_Basis_attrifyClient(uw_context ctx, uw_Basis_client cli) {
adamc@682	2296 int len;
adamc@682	2297 char *r;
adamc@682	2298
adamc@682	2299 uw_check_heap(ctx, INTS_MAX + 1);
adamc@682	2300 r = ctx->heap.front;
adamc@682	2301 sprintf(r, "%u%n", cli, &len);
adamc@682	2302 ctx->heap.front += len+1;
adamc@682	2303 return r;
adamc@682	2304 }
adamc@682	2305
adamc@467	2306 uw_Basis_string uw_Basis_sqlifyStringN(uw_context ctx, uw_Basis_string s) {
adamc@467	2307 if (s == NULL)
adamc@467	2308 return "NULL";
adamc@467	2309 else
adamc@467	2310 return uw_Basis_sqlifyString(ctx, s);
adamc@467	2311 }
adamc@467	2312
adamc@311	2313 char *uw_Basis_sqlifyBool(uw_context ctx, uw_Basis_bool b) {
adamc@311	2314 if (b == uw_Basis_False)
adamc@281	2315 return "FALSE";
adamc@281	2316 else
adamc@281	2317 return "TRUE";
adamc@281	2318 }
adamc@282	2319
adamc@467	2320 char uw_Basis_sqlifyBoolN(uw_context ctx, uw_Basis_bool b) {
adamc@467	2321 if (b == NULL)
adamc@467	2322 return "NULL";
adamc@467	2323 else
adamc@467	2324 return uw_Basis_sqlifyBool(ctx, *b);
adamc@467	2325 }
adamc@467	2326
adamc@439	2327 char *uw_Basis_sqlifyTime(uw_context ctx, uw_Basis_time t) {
adamc@439	2328 size_t len;
adamc@682	2329 char r, s;
adamc@682	2330 struct tm stm;
adamc@682	2331
adamc@682	2332 if (localtime_r(&t, &stm)) {
adamc@682	2333 s = uw_malloc(ctx, TIMES_MAX);
adamc@995	2334 --stm.tm_hour;
adamc@682	2335 len = strftime(s, TIMES_MAX, TIME_FMT, &stm);
adamc@682	2336 r = uw_malloc(ctx, len + 14);
adamc@682	2337 sprintf(r, "'%s'::timestamp", s);
adamc@682	2338 return r;
adamc@682	2339 } else
adamc@682	2340 return "<Invalid time>";
adamc@682	2341 }
adamc@682	2342
adamc@682	2343 char *uw_Basis_attrifyTime(uw_context ctx, uw_Basis_time t) {
adamc@682	2344 size_t len;
adamc@439	2345 char *r;
adamc@439	2346 struct tm stm;
adamc@439	2347
adamc@439	2348 if (localtime_r(&t, &stm)) {
adamc@439	2349 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2350 r = ctx->heap.front;
adamc@439	2351 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2352 ctx->heap.front += len+1;
adamc@439	2353 return r;
adamc@439	2354 } else
adamc@439	2355 return "<Invalid time>";
adamc@439	2356 }
adamc@439	2357
adamc@467	2358 char uw_Basis_sqlifyTimeN(uw_context ctx, uw_Basis_time t) {
adamc@467	2359 if (t == NULL)
adamc@467	2360 return "NULL";
adamc@467	2361 else
adamc@467	2362 return uw_Basis_sqlifyTime(ctx, *t);
adamc@467	2363 }
adamc@467	2364
adamc@311	2365 char *uw_Basis_ensqlBool(uw_Basis_bool b) {
adamc@311	2366 static uw_Basis_int true = 1;
adamc@311	2367 static uw_Basis_int false = 0;
adamc@282	2368
adamc@311	2369 if (b == uw_Basis_False)
adamc@282	2370 return (char *)&false;
adamc@282	2371 else
adamc@282	2372 return (char *)&true;
adamc@282	2373 }
adamc@284	2374
adamc@311	2375 uw_Basis_string uw_Basis_intToString(uw_context ctx, uw_Basis_int n) {
adamc@284	2376 int len;
adamc@284	2377 char *r;
adamc@284	2378
adamc@311	2379 uw_check_heap(ctx, INTS_MAX);
adamc@666	2380 r = ctx->heap.front;
adamc@284	2381 sprintf(r, "%lld%n", n, &len);
adamc@666	2382 ctx->heap.front += len+1;
adamc@284	2383 return r;
adamc@284	2384 }
adamc@285	2385
adamc@311	2386 uw_Basis_string uw_Basis_floatToString(uw_context ctx, uw_Basis_float n) {
adamc@285	2387 int len;
adamc@285	2388 char *r;
adamc@285	2389
adamc@311	2390 uw_check_heap(ctx, FLOATS_MAX);
adamc@666	2391 r = ctx->heap.front;
adamc@285	2392 sprintf(r, "%g%n", n, &len);
adamc@666	2393 ctx->heap.front += len+1;
adamc@285	2394 return r;
adamc@285	2395 }
adamc@285	2396
adamc@821	2397 uw_Basis_string uw_Basis_charToString(uw_context ctx, uw_Basis_char ch) {
adamc@821	2398 char *r = uw_malloc(ctx, 2);
adamc@821	2399 r[0] = ch;
adamc@821	2400 r[1] = 0;
adamc@821	2401 return r;
adamc@821	2402 }
adamc@821	2403
adamc@311	2404 uw_Basis_string uw_Basis_boolToString(uw_context ctx, uw_Basis_bool b) {
adamc@311	2405 if (b == uw_Basis_False)
adamc@285	2406 return "False";
adamc@285	2407 else
adamc@285	2408 return "True";
adamc@285	2409 }
adamc@288	2410
adamc@436	2411 uw_Basis_string uw_Basis_timeToString(uw_context ctx, uw_Basis_time t) {
adamc@436	2412 size_t len;
adamc@436	2413 char *r;
adamc@436	2414 struct tm stm;
adamc@436	2415
adamc@436	2416 if (localtime_r(&t, &stm)) {
adamc@436	2417 uw_check_heap(ctx, TIMES_MAX);
adamc@666	2418 r = ctx->heap.front;
adamc@436	2419 len = strftime(r, TIMES_MAX, TIME_FMT, &stm);
adamc@666	2420 ctx->heap.front += len+1;
adamc@436	2421 return r;
adamc@436	2422 } else
adamc@436	2423 return "<Invalid time>";
adamc@436	2424 }
adamc@288	2425
adamc@311	2426 uw_Basis_int *uw_Basis_stringToInt(uw_context ctx, uw_Basis_string s) {
adamc@288	2427 char *endptr;
adamc@311	2428 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@288	2429
adamc@288	2430 if (s != '\0' && endptr == '\0') {
adamc@311	2431 uw_Basis_int *r = uw_malloc(ctx, sizeof(uw_Basis_int));
adamc@288	2432 *r = n;
adamc@288	2433 return r;
adamc@288	2434 } else
adamc@288	2435 return NULL;
adamc@288	2436 }
adamc@289	2437
adamc@311	2438 uw_Basis_float *uw_Basis_stringToFloat(uw_context ctx, uw_Basis_string s) {
adamc@289	2439 char *endptr;
adamc@311	2440 uw_Basis_float n = strtod(s, &endptr);
adamc@289	2441
adamc@289	2442 if (s != '\0' && endptr == '\0') {
adamc@311	2443 uw_Basis_float *r = uw_malloc(ctx, sizeof(uw_Basis_float));
adamc@289	2444 *r = n;
adamc@289	2445 return r;
adamc@289	2446 } else
adamc@289	2447 return NULL;
adamc@289	2448 }
adamc@289	2449
adamc@821	2450 uw_Basis_char *uw_Basis_stringToChar(uw_context ctx, uw_Basis_string s) {
adamc@821	2451 if (s[0] == 0) {
adamc@821	2452 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2453 r[0] = 0;
adamc@821	2454 return r;
adamc@821	2455 } else if (s[1] != 0)
adamc@821	2456 return NULL;
adamc@821	2457 else {
adamc@821	2458 uw_Basis_char *r = uw_malloc(ctx, 1);
adamc@821	2459 r[0] = s[0];
adamc@821	2460 return r;
adamc@821	2461 }
adamc@821	2462 }
adamc@821	2463
adamc@311	2464 uw_Basis_bool *uw_Basis_stringToBool(uw_context ctx, uw_Basis_string s) {
adamc@311	2465 static uw_Basis_bool true = uw_Basis_True;
adamc@311	2466 static uw_Basis_bool false = uw_Basis_False;
adamc@289	2467
adamc@289	2468 if (!strcasecmp (s, "True"))
adamc@289	2469 return &true;
adamc@289	2470 else if (!strcasecmp (s, "False"))
adamc@289	2471 return &false;
adamc@289	2472 else
adamc@289	2473 return NULL;
adamc@289	2474 }
adamc@292	2475
adamc@436	2476 uw_Basis_time *uw_Basis_stringToTime(uw_context ctx, uw_Basis_string s) {
adamc@438	2477 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	2478 struct tm stm;
adamc@436	2479
adamc@439	2480 if (dot) {
adamc@439	2481 *dot = 0;
adamc@439	2482 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2483 *dot = '.';
adamc@439	2484 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439	2485 *r = mktime(&stm);
adamc@439	2486 return r;
adamc@439	2487 }
adamc@439	2488 else {
adamc@439	2489 *dot = '.';
adamc@439	2490 return NULL;
adamc@439	2491 }
adamc@436	2492 }
adamc@439	2493 else {
adamc@439	2494 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@439	2495 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439	2496 *r = mktime(&stm);
adamc@439	2497 return r;
adamc@439	2498 }
adamc@439	2499 else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@439	2500 uw_Basis_time *r = uw_malloc(ctx, sizeof(uw_Basis_time));
adamc@439	2501 *r = mktime(&stm);
adamc@439	2502 return r;
adamc@439	2503 }
adamc@439	2504 else
adamc@439	2505 return NULL;
adamc@439	2506 }
adamc@436	2507 }
adamc@436	2508
adamc@311	2509 uw_Basis_int uw_Basis_stringToInt_error(uw_context ctx, uw_Basis_string s) {
adamc@292	2510 char *endptr;
adamc@311	2511 uw_Basis_int n = strtoll(s, &endptr, 10);
adamc@292	2512
adamc@292	2513 if (s != '\0' && endptr == '\0')
adamc@292	2514 return n;
adamc@292	2515 else
adamc@311	2516 uw_error(ctx, FATAL, "Can't parse int: %s", s);
adamc@292	2517 }
adamc@293	2518
adamc@682	2519 #include <errno.h>
adamc@682	2520
adamc@678	2521 uw_Basis_channel uw_Basis_stringToChannel_error(uw_context ctx, uw_Basis_string s) {
adamc@682	2522 unsigned long long n;
adamc@682	2523
adamc@682	2524 if (sscanf(s, "%llu", &n) < 1)
adamc@682	2525 uw_error(ctx, FATAL, "Can't parse channel: %s", s);
adamc@682	2526 else {
adamc@682	2527 uw_Basis_channel ch = {n >> 32, n & ((1ull << 32) - 1)};
adamc@682	2528 return ch;
adamc@682	2529 }
adamc@682	2530 }
adamc@682	2531
adamc@682	2532 uw_Basis_client uw_Basis_stringToClient_error(uw_context ctx, uw_Basis_string s) {
adamc@678	2533 char *endptr;
adamc@682	2534 unsigned long n = strtoul(s, &endptr, 10);
adamc@678	2535
adamc@678	2536 if (s != '\0' && endptr == '\0')
adamc@678	2537 return n;
adamc@678	2538 else
adamc@682	2539 uw_error(ctx, FATAL, "Can't parse client: %s", s);
adamc@678	2540 }
adamc@678	2541
adamc@311	2542 uw_Basis_float uw_Basis_stringToFloat_error(uw_context ctx, uw_Basis_string s) {
adamc@293	2543 char *endptr;
adamc@311	2544 uw_Basis_float n = strtod(s, &endptr);
adamc@293	2545
adamc@293	2546 if (s != '\0' && endptr == '\0')
adamc@293	2547 return n;
adamc@293	2548 else
adamc@311	2549 uw_error(ctx, FATAL, "Can't parse float: %s", s);
adamc@293	2550 }
adamc@293	2551
adamc@821	2552 uw_Basis_char uw_Basis_stringToChar_error(uw_context ctx, uw_Basis_string s) {
adamc@821	2553 if (s[0] == 0)
adamc@821	2554 return 0;
adamc@821	2555 else if (s[1] != 0)
adamc@821	2556 uw_error(ctx, FATAL, "Can't parse char: %s", s);
adamc@821	2557 else
adamc@821	2558 return s[0];
adamc@821	2559 }
adamc@821	2560
adamc@311	2561 uw_Basis_bool uw_Basis_stringToBool_error(uw_context ctx, uw_Basis_string s) {
adamc@296	2562 if (!strcasecmp(s, "T") \|\| !strcasecmp (s, "True"))
adamc@311	2563 return uw_Basis_True;
adamc@296	2564 else if (!strcasecmp(s, "F") \|\| !strcasecmp (s, "False"))
adamc@311	2565 return uw_Basis_False;
adamc@293	2566 else
adamc@311	2567 uw_error(ctx, FATAL, "Can't parse bool: %s", s);
adamc@293	2568 }
adamc@436	2569
adamc@436	2570 uw_Basis_time uw_Basis_stringToTime_error(uw_context ctx, uw_Basis_string s) {
adamc@438	2571 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@436	2572 struct tm stm = {};
adamc@436	2573
adamc@438	2574 if (dot) {
adamc@438	2575 *dot = 0;
adamc@438	2576 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@438	2577 *dot = '.';
adamc@438	2578 return mktime(&stm);
adamc@438	2579 }
adamc@438	2580 else {
adamc@438	2581 *dot = '.';
adamc@438	2582 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2583 }
adamc@438	2584 }
adamc@438	2585 else {
adamc@439	2586 if (strptime(s, TIME_FMT_PG, &stm) == end)
adamc@439	2587 return mktime(&stm);
adamc@439	2588 else if (strptime(s, TIME_FMT, &stm) == end)
adamc@438	2589 return mktime(&stm);
adamc@438	2590 else
adamc@438	2591 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@438	2592 }
adamc@436	2593 }
adamc@457	2594
adamc@939	2595 uw_Basis_time uw_Basis_unsqlTime(uw_context ctx, uw_Basis_string s) {
adamc@939	2596 char dot = strchr(s, '.'), end = strchr(s, 0);
adamc@939	2597 struct tm stm = {};
adamc@939	2598
adamc@939	2599 if (dot) {
adamc@939	2600 *dot = 0;
adamc@939	2601 if (strptime(s, TIME_FMT_PG, &stm)) {
adamc@939	2602 *dot = '.';
adamc@939	2603 return mktime(&stm);
adamc@939	2604 }
adamc@939	2605 else {
adamc@939	2606 *dot = '.';
adamc@939	2607 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939	2608 }
adamc@939	2609 }
adamc@939	2610 else {
adamc@939	2611 if (strptime(s, TIME_FMT_PG, &stm) == end) {
adamc@939	2612 return mktime(&stm);
adamc@939	2613 } else if (strptime(s, TIME_FMT, &stm) == end) {
adamc@939	2614 return mktime(&stm);
adamc@939	2615 } else
adamc@939	2616 uw_error(ctx, FATAL, "Can't parse time: %s", s);
adamc@939	2617 }
adamc@939	2618 }
adamc@939	2619
adamc@742	2620 uw_Basis_blob uw_Basis_stringToBlob_error(uw_context ctx, uw_Basis_string s, size_t len) {
adamc@742	2621 char *r = ctx->heap.front;
adamc@742	2622 uw_Basis_blob b = {len, r};
adamc@742	2623
adamc@742	2624 uw_check_heap(ctx, len);
adamc@742	2625
adamc@742	2626 while (*s) {
adamc@742	2627 if (s[0] == '\\') {
adamc@742	2628 if (s[1] == '\\') {
adamc@742	2629 *r++ = '\\';
adamc@742	2630 s += 2;
adamc@742	2631 } else if (isdigit(s[1]) && isdigit(s[2]) && isdigit(s[3])) {
adamc@742	2632 r++ = (s[1] - '0') 8 * 8 + ((s[2] - '0') * 8) + (s[3] - '0');
adamc@742	2633 s += 4;
adamc@742	2634 }
adamc@742	2635 else {
adamc@742	2636 *r++ = '\\';
adamc@742	2637 ++s;
adamc@742	2638 }
adamc@742	2639 } else {
adamc@742	2640 *r++ = s[0];
adamc@742	2641 ++s;
adamc@742	2642 }
adamc@742	2643 }
adamc@742	2644
adamc@742	2645 b.size = r - ctx->heap.front;
adamc@742	2646 ctx->heap.front = r;
adamc@742	2647 return b;
adamc@742	2648 }
adamc@742	2649
adamc@1052	2650 #define THE_PAST "expires=Mon, 01-01-1970 00:00:00 GMT"
adamc@1052	2651
adamc@463	2652 uw_Basis_string uw_Basis_get_cookie(uw_context ctx, uw_Basis_string c) {
adamc@463	2653 int len = strlen(c);
adamc@854	2654 char *p = ctx->outHeaders.start;
adamc@474	2655
adamc@474	2656 while (p = strstr(p, "\nSet-Cookie: ")) {
adamc@474	2657 char *p2;
adamc@474	2658 p += 13;
adamc@474	2659 p2 = strchr(p, '=');
adamc@474	2660
adamc@474	2661 if (p2) {
adamc@474	2662 size_t sz = strcspn(p2+1, ";\r\n");
adamc@474	2663
adamc@474	2664 if (!strncasecmp(p, c, p2 - p)) {
adamc@1052	2665 if (sz == 0 && strstr(p2+2, THE_PAST))
adamc@1052	2666 return NULL;
adamc@1052	2667 else {
adamc@1052	2668 char *ret = uw_malloc(ctx, sz + 1);
adamc@1052	2669 memcpy(ret, p2+1, sz);
adamc@1052	2670 ret[sz] = 0;
adamc@1052	2671 return ret;
adamc@1052	2672 }
adamc@474	2673 }
adamc@474	2674 }
adamc@474	2675 }
adamc@463	2676
adamc@854	2677 if (p = uw_Basis_requestHeader(ctx, "Cookie")) {
adamc@1051	2678 char *p2;
adamc@1051	2679
adamc@854	2680 while (1) {
adamc@1051	2681 if (!strncmp(p, c, len) && p[len] == '=') {
adamc@1051	2682 if (p2 = strchr(p, ';')) {
adamc@1051	2683 size_t n = p2 - (p + len);
adamc@1051	2684 char *r = uw_malloc(ctx, n);
adamc@1051	2685 memcpy(r, p + 1 + len, n-1);
adamc@1051	2686 r[n-1] = 0;
adamc@1051	2687 return r;
adamc@1051	2688 } else
adamc@1051	2689 return p + 1 + len;
adamc@1051	2690 } else if (p = strchr(p, ';'))
adamc@854	2691 p += 2;
adamc@463	2692 else
adamc@463	2693 return NULL;
adamc@463	2694 }
adamc@463	2695 }
adamc@792	2696
adamc@792	2697 return NULL;
adamc@457	2698 }
adamc@462	2699
adamc@1050	2700 uw_unit uw_Basis_set_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c, uw_Basis_string v, uw_Basis_time *expires, uw_Basis_bool secure) {
adamc@462	2701 uw_write_header(ctx, "Set-Cookie: ");
adamc@462	2702 uw_write_header(ctx, c);
adamc@462	2703 uw_write_header(ctx, "=");
adamc@462	2704 uw_write_header(ctx, v);
adamc@466	2705 uw_write_header(ctx, "; path=");
adamc@466	2706 uw_write_header(ctx, prefix);
adamc@1050	2707 if (expires) {
adamc@1050	2708 char formatted[30];
adamc@1050	2709 struct tm tm;
adamc@1050	2710
adamc@1050	2711 gmtime_r(expires, &tm);
adamc@1050	2712
adamc@1050	2713 strftime(formatted, sizeof formatted, "%a, %d-%b-%Y %T GMT", &tm);
adamc@1050	2714
adamc@1050	2715 uw_write_header(ctx, "; expires=");
adamc@1050	2716 uw_write_header(ctx, formatted);
adamc@1050	2717 }
adamc@1050	2718 if (secure)
adamc@1050	2719 uw_write_header(ctx, "; secure");
adamc@462	2720 uw_write_header(ctx, "\r\n");
adamc@462	2721
adamc@462	2722 return uw_unit_v;
adamc@462	2723 }
adamc@667	2724
adamc@1050	2725 uw_unit uw_Basis_clear_cookie(uw_context ctx, uw_Basis_string prefix, uw_Basis_string c) {
adamc@1050	2726 uw_write_header(ctx, "Set-Cookie: ");
adamc@1050	2727 uw_write_header(ctx, c);
adamc@1050	2728 uw_write_header(ctx, "=; path=");
adamc@1050	2729 uw_write_header(ctx, prefix);
adamc@1052	2730 uw_write_header(ctx, "; " THE_PAST "\r\n");
adamc@1050	2731
adamc@1050	2732 return uw_unit_v;
adamc@1050	2733 }
adamc@1050	2734
adamc@682	2735 static delta *allocate_delta(uw_context ctx, unsigned client) {
adamc@682	2736 unsigned i;
adamc@682	2737 delta *d;
adamc@671	2738
adamc@682	2739 for (i = 0; i < ctx->used_deltas; ++i)
adamc@682	2740 if (ctx->deltas[i].client == client)
adamc@682	2741 return &ctx->deltas[i];
adamc@671	2742
adamc@682	2743 if (ctx->used_deltas >= ctx->n_deltas) {
adamc@682	2744 ctx->deltas = realloc(ctx->deltas, sizeof(delta) * ++ctx->n_deltas);
adamc@682	2745 buf_init(&ctx->deltas[ctx->n_deltas-1].msgs, 0);
adamc@682	2746 }
adamc@671	2747
adamc@682	2748 d = &ctx->deltas[ctx->used_deltas++];
adamc@682	2749 d->client = client;
adamc@682	2750 buf_reset(&d->msgs);
adamc@682	2751 return d;
adamc@671	2752 }
adamc@671	2753
adamc@668	2754 uw_Basis_channel uw_Basis_new_channel(uw_context ctx, uw_unit u) {
adamc@682	2755 if (ctx->client == NULL)
adamc@682	2756 uw_error(ctx, FATAL, "Attempt to create channel on request not associated with a persistent connection");
adamc@671	2757
adamc@682	2758 return new_channel(ctx->client);
adamc@668	2759 }
adamc@668	2760
adamc@668	2761 uw_unit uw_Basis_send(uw_context ctx, uw_Basis_channel chn, uw_Basis_string msg) {
adamc@682	2762 delta *d = allocate_delta(ctx, chn.cli);
adamc@682	2763 size_t len;
adamc@682	2764 int preLen;
adamc@682	2765 char pre[INTS_MAX + 2];
adamc@668	2766
adamc@682	2767 len = strlen(msg);
adamc@682	2768
adamc@682	2769 sprintf(pre, "%u\n%n", chn.chn, &preLen);
adamc@682	2770
adamc@682	2771 buf_append(&d->msgs, pre, preLen);
adamc@682	2772 buf_append(&d->msgs, msg, len);
adamc@682	2773 buf_append(&d->msgs, "\n", 1);
adamc@671	2774
adamc@671	2775 return uw_unit_v;
adamc@668	2776 }
adamc@671	2777
adamc@671	2778 void uw_commit(uw_context ctx) {
adamc@1104	2779 int i;
adamc@1104	2780
adamc@1104	2781 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	2782 if (ctx->transactionals[i].rollback != NULL)
adamc@1083	2783 if (ctx->transactionals[i].commit)
adamc@1083	2784 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771	2785
adamc@1104	2786 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	2787 if (ctx->transactionals[i].rollback == NULL)
adamc@1083	2788 if (ctx->transactionals[i].commit)
adamc@1083	2789 ctx->transactionals[i].commit(ctx->transactionals[i].data);
adamc@771	2790
adamc@1094	2791 if (ctx->app->db_commit(ctx))
adamc@671	2792 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@682	2793
adamc@682	2794 for (i = 0; i < ctx->used_deltas; ++i) {
adamc@682	2795 delta *d = &ctx->deltas[i];
adamc@682	2796 client *c = find_client(d->client);
adamc@682	2797
adamc@682	2798 assert (c != NULL && c->mode == USED);
adamc@682	2799
adamc@685	2800 client_send(c, &d->msgs);
adamc@682	2801 }
adamc@682	2802
adamc@682	2803 if (ctx->client)
adamc@685	2804 release_client(ctx->client);
adamc@771	2805
adamc@1104	2806 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1083	2807 if (ctx->transactionals[i].free)
adamc@1083	2808 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@916	2809
adamc@916	2810 // Splice script data into appropriate part of page
adamc@1065	2811 if (ctx->returning_indirectly \|\| ctx->script_header[0] == 0) {
adamc@995	2812 char *start = strstr(ctx->page.start, "<sc>");
adamc@995	2813 if (start) {
adamc@995	2814 memmove(start, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 4);
adamc@995	2815 ctx->page.front -= 4;
adamc@995	2816 }
adamc@995	2817 } else if (buf_used(&ctx->script) == 0) {
adamc@916	2818 size_t len = strlen(ctx->script_header);
adamc@916	2819 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	2820 if (start) {
adamc@916	2821 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + len);
adamc@917	2822 start = strstr(ctx->page.start, "<sc>");
adamc@916	2823 memmove(start + len, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	2824 ctx->page.front += len - 4;
adamc@916	2825 memcpy(start, ctx->script_header, len);
adamc@916	2826 }
adamc@916	2827 } else {
adamc@916	2828 size_t lenH = strlen(ctx->script_header), len = buf_used(&ctx->script);
adamc@916	2829 size_t lenP = lenH + 40 + len;
adamc@916	2830 char *start = strstr(ctx->page.start, "<sc>");
adamc@916	2831 if (start) {
adamc@916	2832 buf_check(&ctx->page, buf_used(&ctx->page) - 4 + lenP);
adamc@917	2833 start = strstr(ctx->page.start, "<sc>");
adamc@916	2834 memmove(start + lenP, start + 4, buf_used(&ctx->page) - (start - ctx->page.start) - 3);
adamc@916	2835 ctx->page.front += lenP - 4;
adamc@916	2836 memcpy(start, ctx->script_header, lenH);
adamc@916	2837 memcpy(start + lenH, "<script type=\"text/javascript\">", 31);
adamc@916	2838 memcpy(start + lenH + 31, ctx->script.start, len);
adamc@916	2839 memcpy(start + lenH + 31 + len, "</script>", 9);
adamc@916	2840 }
adamc@916	2841 }
adamc@671	2842 }
adamc@671	2843
adamc@671	2844 int uw_rollback(uw_context ctx) {
adamc@1104	2845 int i;
adamc@885	2846 cleanup *cl;
adamc@771	2847
adamc@682	2848 if (ctx->client)
adamc@685	2849 release_client(ctx->client);
adamc@671	2850
adamc@885	2851 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@885	2852 cl->func(cl->arg);
adamc@885	2853
adamc@885	2854 ctx->cleanup_front = ctx->cleanup;
adamc@885	2855
adamc@1104	2856 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@771	2857 if (ctx->transactionals[i].rollback != NULL)
adamc@771	2858 ctx->transactionals[i].rollback(ctx->transactionals[i].data);
adamc@771	2859
adamc@1104	2860 for (i = ctx->used_transactionals-1; i >= 0; --i)
adamc@1084	2861 if (ctx->transactionals[i].free)
adamc@1084	2862 ctx->transactionals[i].free(ctx->transactionals[i].data);
adamc@771	2863
adamc@1094	2864 return ctx->app->db_rollback(ctx);
adamc@671	2865 }
adamc@683	2866
adamc@771	2867 void uw_register_transactional(uw_context ctx, void *data, uw_callback commit, uw_callback rollback,
adamc@771	2868 uw_callback free) {
adamc@771	2869 if (ctx->used_transactionals >= ctx->n_transactionals) {
adamc@1084	2870 ctx->transactionals = realloc(ctx->transactionals, sizeof(transactional) * (ctx->used_transactionals+1));
adamc@771	2871 ++ctx->n_transactionals;
adamc@771	2872 }
adamc@771	2873
adamc@771	2874 ctx->transactionals[ctx->used_transactionals].data = data;
adamc@771	2875 ctx->transactionals[ctx->used_transactionals].commit = commit;
adamc@771	2876 ctx->transactionals[ctx->used_transactionals].rollback = rollback;
adamc@771	2877 ctx->transactionals[ctx->used_transactionals++].free = free;
adamc@771	2878 }
adamc@771	2879
adamc@683	2880
adamc@683	2881 // "Garbage collection"
adamc@683	2882
adamc@683	2883 static failure_kind uw_expunge(uw_context ctx, uw_Basis_client cli) {
adamc@683	2884 int r = setjmp(ctx->jmp_buf);
adamc@683	2885
adamc@684	2886 if (r == 0) {
adamc@1094	2887 if (ctx->app->db_begin(ctx))
adamc@684	2888 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094	2889 ctx->app->expunger(ctx, cli);
adamc@1094	2890 if (ctx->app->db_commit(ctx))
adamc@684	2891 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@684	2892 }
adamc@683	2893
adamc@683	2894 return r;
adamc@683	2895 }
adamc@683	2896
adamc@683	2897 void uw_prune_clients(uw_context ctx) {
adamc@683	2898 client c, next, *prev = NULL;
adamc@683	2899 time_t cutoff;
adamc@683	2900
adamc@1094	2901 cutoff = time(NULL) - ctx->app->timeout;
adamc@683	2902
adamc@683	2903 pthread_mutex_lock(&clients_mutex);
adamc@683	2904
adamc@683	2905 for (c = clients_used; c; c = next) {
adamc@683	2906 next = c->next;
adamc@683	2907 pthread_mutex_lock(&c->lock);
adamc@685	2908 if (c->last_contact < cutoff && c->refcount == 0) {
adamc@683	2909 failure_kind fk = UNLIMITED_RETRY;
adamc@683	2910 if (prev)
adamc@683	2911 prev->next = next;
adamc@683	2912 else
adamc@683	2913 clients_used = next;
adamc@684	2914 uw_reset(ctx);
adamc@683	2915 while (fk == UNLIMITED_RETRY) {
adamc@683	2916 fk = uw_expunge(ctx, c->id);
adamc@684	2917 if (fk == UNLIMITED_RETRY) {
adamc@1094	2918 ctx->app->db_rollback(ctx);
adamc@684	2919 printf("Unlimited retry during expunge: %s\n", uw_error_message(ctx));
adamc@683	2920 }
adamc@683	2921 }
adamc@684	2922 if (fk == SUCCESS)
adamc@684	2923 free_client(c);
adamc@684	2924 else {
adamc@1094	2925 ctx->app->db_rollback(ctx);
adamc@856	2926 fprintf(stderr, "Expunge blocked by error: %s\n", uw_error_message(ctx));
adamc@684	2927 }
adamc@683	2928 }
adamc@683	2929 else
adamc@683	2930 prev = c;
adamc@683	2931 pthread_mutex_unlock(&c->lock);
adamc@683	2932 }
adamc@683	2933
adamc@683	2934 pthread_mutex_unlock(&clients_mutex);
adamc@683	2935 }
adamc@687	2936
adamc@687	2937 failure_kind uw_initialize(uw_context ctx) {
adamc@687	2938 int r = setjmp(ctx->jmp_buf);
adamc@687	2939
adamc@687	2940 if (r == 0) {
adamc@1094	2941 if (ctx->app->db_begin(ctx))
adamc@687	2942 uw_error(ctx, FATAL, "Error running SQL BEGIN");
adamc@1094	2943 ctx->app->initializer(ctx);
adamc@1094	2944 if (ctx->app->db_commit(ctx))
adamc@687	2945 uw_error(ctx, FATAL, "Error running SQL COMMIT");
adamc@687	2946 }
adamc@687	2947
adamc@687	2948 return r;
adamc@687	2949 }
adamc@717	2950
adamc@1065	2951 static int url_bad(uw_Basis_string s) {
adamc@1065	2952 for (; *s; ++s)
adamc@1065	2953 if (!isgraph(*s))
adamc@1065	2954 return 1;
adamc@1065	2955
adamc@1065	2956 return 0;
adamc@1065	2957 }
adamc@1065	2958
adamc@717	2959 uw_Basis_string uw_Basis_bless(uw_context ctx, uw_Basis_string s) {
adamc@1065	2960 if (url_bad(s))
adamc@1065	2961 uw_error(ctx, FATAL, "Invalid URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@1094	2962 if (ctx->app->check_url(s))
adamc@770	2963 return s;
adamc@770	2964 else
adamc@770	2965 uw_error(ctx, FATAL, "Disallowed URL %s", uw_Basis_htmlifyString(ctx, s));
adamc@717	2966 }
adamc@734	2967
adamc@770	2968 uw_Basis_string uw_Basis_checkUrl(uw_context ctx, uw_Basis_string s) {
adamc@1065	2969 if (url_bad(s))
adamc@1065	2970 return NULL;
adamc@1094	2971 if (ctx->app->check_url(s))
adamc@770	2972 return s;
adamc@770	2973 else
adamc@770	2974 return NULL;
adamc@770	2975 }
adamc@770	2976
adamc@770	2977 int mime_format(const char *s) {
adamc@770	2978 for (; *s; ++s)
adamc@770	2979 if (!isalnum(s) && s != '/' && s != '-' && s != '.')
adamc@770	2980 return 0;
adamc@770	2981
adamc@770	2982 return 1;
adamc@770	2983 }
adamc@770	2984
adamc@741	2985 uw_Basis_string uw_Basis_blessMime(uw_context ctx, uw_Basis_string s) {
adamc@770	2986 if (!mime_format(s))
adamc@770	2987 uw_error(ctx, FATAL, "MIME type \"%s\" contains invalid character", uw_Basis_htmlifyString(ctx, s));
adamc@770	2988
adamc@1094	2989 if (ctx->app->check_mime(s))
adamc@770	2990 return s;
adamc@770	2991 else
adamc@770	2992 uw_error(ctx, FATAL, "Disallowed MIME type %s", uw_Basis_htmlifyString(ctx, s));
adamc@770	2993 }
adamc@770	2994
adamc@770	2995 uw_Basis_string uw_Basis_checkMime(uw_context ctx, uw_Basis_string s) {
adamc@770	2996 if (!mime_format(s))
adamc@770	2997 return NULL;
adamc@770	2998
adamc@1094	2999 if (ctx->app->check_mime(s))
adamc@770	3000 return s;
adamc@770	3001 else
adamc@770	3002 return NULL;
adamc@741	3003 }
adamc@741	3004
adamc@734	3005 uw_Basis_string uw_unnull(uw_Basis_string s) {
adamc@734	3006 return s ? s : "";
adamc@734	3007 }
adamc@734	3008
adamc@734	3009 extern int uw_hash_blocksize;
adamc@734	3010
adamc@734	3011 uw_Basis_string uw_Basis_makeSigString(uw_context ctx, uw_Basis_string sig) {
adamc@734	3012 uw_Basis_string r = uw_malloc(ctx, 2 * uw_hash_blocksize + 1);
adamc@734	3013 int i;
adamc@734	3014
adamc@734	3015 for (i = 0; i < uw_hash_blocksize; ++i)
adamc@734	3016 sprintf(&r[2i], "%.02X", ((unsigned char )sig)[i]);
adamc@734	3017
adamc@734	3018 return r;
adamc@734	3019 }
adamc@734	3020
adamc@734	3021 uw_Basis_string uw_Basis_sigString(uw_context ctx, uw_unit u) {
adamc@1094	3022 return ctx->app->cookie_sig(ctx);
adamc@734	3023 }
adamc@737	3024
adamc@737	3025 uw_Basis_string uw_Basis_fileName(uw_context ctx, uw_Basis_file f) {
adamc@737	3026 return f.name;
adamc@737	3027 }
adamc@737	3028
adamc@740	3029 uw_Basis_string uw_Basis_fileMimeType(uw_context ctx, uw_Basis_file f) {
adamc@740	3030 return f.type;
adamc@740	3031 }
adamc@740	3032
adamc@745	3033 uw_Basis_int uw_Basis_blobSize(uw_context ctx, uw_Basis_blob b) {
adamc@745	3034 return b.size;
adamc@745	3035 }
adamc@745	3036
adamc@737	3037 uw_Basis_blob uw_Basis_fileData(uw_context ctx, uw_Basis_file f) {
adamc@737	3038 return f.data;
adamc@737	3039 }
adamc@741	3040
adamc@741	3041 __attribute__((noreturn)) void uw_return_blob(uw_context ctx, uw_Basis_blob b, uw_Basis_string mimeType) {
adamc@741	3042 cleanup *cl;
adamc@741	3043 int len;
adamc@741	3044
adamc@1065	3045 ctx->returning_indirectly = 1;
adamc@741	3046 buf_reset(&ctx->outHeaders);
adamc@741	3047 buf_reset(&ctx->page);
adamc@741	3048
adamc@856	3049 uw_write_header(ctx, on_success);
adamc@856	3050 uw_write_header(ctx, "Content-Type: ");
adamc@741	3051 uw_write_header(ctx, mimeType);
adamc@741	3052 uw_write_header(ctx, "\r\nContent-Length: ");
adamc@741	3053 buf_check(&ctx->outHeaders, INTS_MAX);
adamc@741	3054 sprintf(ctx->outHeaders.front, "%d%n", b.size, &len);
adamc@741	3055 ctx->outHeaders.front += len;
adamc@1066	3056 uw_write_header(ctx, "\r\n");
adamc@741	3057
adamc@741	3058 buf_append(&ctx->page, b.data, b.size);
adamc@741	3059
adamc@741	3060 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@741	3061 cl->func(cl->arg);
adamc@741	3062
adamc@741	3063 ctx->cleanup_front = ctx->cleanup;
adamc@741	3064
adamc@1065	3065 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@1065	3066 }
adamc@1065	3067
adamc@1065	3068 __attribute__((noreturn)) void uw_redirect(uw_context ctx, uw_Basis_string url) {
adamc@1065	3069 cleanup *cl;
adamc@1065	3070 int len;
adamc@1066	3071 char *s;
adamc@1065	3072
adamc@1065	3073 ctx->returning_indirectly = 1;
adamc@1066	3074 buf_reset(&ctx->page);
adamc@1066	3075 buf_check(&ctx->page, buf_used(&ctx->outHeaders)+1);
adamc@1066	3076 memcpy(ctx->page.start, ctx->outHeaders.start, buf_used(&ctx->outHeaders));
adamc@1066	3077 ctx->page.start[buf_used(&ctx->outHeaders)] = 0;
adamc@1065	3078 buf_reset(&ctx->outHeaders);
adamc@1065	3079
adamc@1065	3080 uw_write_header(ctx, on_redirect);
adamc@1066	3081
adamc@1066	3082 s = strchr(ctx->page.start, '\n');
adamc@1066	3083 if (s) {
adamc@1066	3084 char *s2;
adamc@1066	3085 for (++s; s2 = strchr(s, '\n'); s = s2+1) {
adamc@1066	3086 *s2 = 0;
adamc@1066	3087 if (!strncmp(s, "Set-Cookie: ", 12)) {
adamc@1066	3088 uw_write_header(ctx, s);
adamc@1066	3089 uw_write_header(ctx, "\n");
adamc@1066	3090 }
adamc@1066	3091 }
adamc@1066	3092 }
adamc@1066	3093
adamc@1065	3094 uw_write_header(ctx, "Location: ");
adamc@1065	3095 uw_write_header(ctx, url);
adamc@1065	3096 uw_write_header(ctx, "\r\n\r\n");
adamc@1065	3097
adamc@1065	3098 for (cl = ctx->cleanup; cl < ctx->cleanup_front; ++cl)
adamc@1065	3099 cl->func(cl->arg);
adamc@1065	3100
adamc@1065	3101 ctx->cleanup_front = ctx->cleanup;
adamc@1065	3102
adamc@1065	3103 longjmp(ctx->jmp_buf, RETURN_INDIRECTLY);
adamc@741	3104 }
adamc@874	3105
adamc@874	3106 uw_Basis_string uw_Basis_unAs(uw_context ctx, uw_Basis_string s) {
adamc@874	3107 uw_Basis_string r = uw_malloc(ctx, strlen(s) + 1);
adamc@874	3108
adamc@874	3109 for (; *s; ++s) {
adamc@874	3110 if (s[0] == '\'') {
adamc@874	3111 *r++ = '\'';
adamc@874	3112 for (++s; *s; ++s) {
adamc@874	3113 if (s[0] == '\'') {
adamc@874	3114 *r++ = '\'';
adamc@874	3115 break;
adamc@874	3116 } else if (s[0] == '\\') {
adamc@874	3117 if (s[1] == '\\') {
adamc@874	3118 *r++ = '\\';
adamc@874	3119 *r++ = '\\';
adamc@874	3120 ++s;
adamc@874	3121 } else if (s[1] == '\'') {
adamc@874	3122 *r++ = '\\';
adamc@874	3123 *r++ = '\'';
adamc@874	3124 ++s;
adamc@874	3125 } else
adamc@874	3126 *r++ = '\'';
adamc@874	3127 } else
adamc@874	3128 *r++ = s[0];
adamc@874	3129 }
adamc@874	3130 if (*s == 0) break;
adamc@874	3131 } else if (s[0] == 'T' && s[1] == '.')
adamc@874	3132 ++s;
adamc@874	3133 else
adamc@874	3134 *r++ = s[0];
adamc@874	3135 }
adamc@874	3136
adamc@874	3137 return r;
adamc@874	3138 }
adamc@874	3139
adamc@922	3140 uw_Basis_string uw_Basis_mstrcat(uw_context ctx, ...) {
adamc@922	3141 va_list ap;
adamc@922	3142 size_t len = 1;
adamc@922	3143 char s, r, *s2;
adamc@922	3144
adamc@922	3145 va_start(ap, ctx);
adamc@922	3146 for (s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3147 len += strlen(s);
adamc@922	3148 va_end(ap);
adamc@922	3149
adamc@922	3150 r = uw_malloc(ctx, len);
adamc@922	3151 va_start(ap, ctx);
adamc@922	3152 for (s2 = r, s = va_arg(ap, char); s; s = va_arg(ap, char))
adamc@922	3153 while (*s)
adamc@922	3154 s2++ = s++;
adamc@922	3155 va_end(ap);
adamc@922	3156 *s2 = 0;
adamc@922	3157
adamc@922	3158 return r;
adamc@922	3159 }
adamc@1006	3160
adamc@1050	3161 const uw_Basis_time minTime = 0;
adamc@1050	3162
adamc@1006	3163 uw_Basis_time uw_Basis_now(uw_context ctx) {
adamc@1006	3164 return time(NULL);
adamc@1006	3165 }
adamc@1061	3166
adamc@1061	3167 void uw_get_global(uw_context ctx, char name) {
adamc@1061	3168 int i;
adamc@1061	3169
adamc@1061	3170 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3171 if (!strcmp(name, ctx->globals[i].name))
adamc@1061	3172 return ctx->globals[i].data;
adamc@1061	3173
adamc@1061	3174 return NULL;
adamc@1061	3175 }
adamc@1061	3176
adamc@1061	3177 void uw_set_global(uw_context ctx, char name, void data, void (free)(void)) {
adamc@1061	3178 int i;
adamc@1061	3179
adamc@1061	3180 for (i = 0; i < ctx->n_globals; ++i)
adamc@1061	3181 if (!strcmp(name, ctx->globals[i].name)) {
adamc@1089	3182 if (ctx->globals[i].free)
adamc@1061	3183 ctx->globals[i].free(ctx->globals[i].data);
adamc@1061	3184 ctx->globals[i].data = data;
adamc@1061	3185 ctx->globals[i].free = free;
adamc@1061	3186 return;
adamc@1061	3187 }
adamc@1089	3188
adamc@1061	3189 ++ctx->n_globals;
adamc@1061	3190 ctx->globals = realloc(ctx->globals, ctx->n_globals * sizeof(global));
adamc@1061	3191 ctx->globals[ctx->n_globals-1].name = name;
adamc@1061	3192 ctx->globals[ctx->n_globals-1].data = data;
adamc@1061	3193 ctx->globals[ctx->n_globals-1].free = free;
adamc@1061	3194 }
adamc@1061	3195
adamc@1061	3196 uw_Basis_bool uw_Basis_isalnum(uw_context ctx, uw_Basis_char c) {
adamc@1063	3197 return !!isalnum(c);
adamc@1061	3198 }
adamc@1061	3199
adamc@1061	3200 uw_Basis_bool uw_Basis_isalpha(uw_context ctx, uw_Basis_char c) {
adamc@1063	3201 return !!isalpha(c);
adamc@1061	3202 }
adamc@1061	3203
adamc@1061	3204 uw_Basis_bool uw_Basis_isblank(uw_context ctx, uw_Basis_char c) {
adamc@1063	3205 return !!isblank(c);
adamc@1061	3206 }
adamc@1061	3207
adamc@1061	3208 uw_Basis_bool uw_Basis_iscntrl(uw_context ctx, uw_Basis_char c) {
adamc@1063	3209 return !!iscntrl(c);
adamc@1061	3210 }
adamc@1061	3211
adamc@1061	3212 uw_Basis_bool uw_Basis_isdigit(uw_context ctx, uw_Basis_char c) {
adamc@1063	3213 return !!isdigit(c);
adamc@1061	3214 }
adamc@1061	3215
adamc@1061	3216 uw_Basis_bool uw_Basis_isgraph(uw_context ctx, uw_Basis_char c) {
adamc@1063	3217 return !!isgraph(c);
adamc@1061	3218 }
adamc@1061	3219
adamc@1061	3220 uw_Basis_bool uw_Basis_islower(uw_context ctx, uw_Basis_char c) {
adamc@1063	3221 return !!islower(c);
adamc@1061	3222 }
adamc@1061	3223
adamc@1061	3224 uw_Basis_bool uw_Basis_isprint(uw_context ctx, uw_Basis_char c) {
adamc@1063	3225 return !!isprint(c);
adamc@1061	3226 }
adamc@1061	3227
adamc@1061	3228 uw_Basis_bool uw_Basis_ispunct(uw_context ctx, uw_Basis_char c) {
adamc@1063	3229 return !!ispunct(c);
adamc@1061	3230 }
adamc@1061	3231
adamc@1061	3232 uw_Basis_bool uw_Basis_isspace(uw_context ctx, uw_Basis_char c) {
adamc@1063	3233 return !!isspace(c);
adamc@1061	3234 }
adamc@1063	3235
adamc@1061	3236 uw_Basis_bool uw_Basis_isupper(uw_context ctx, uw_Basis_char c) {
adamc@1063	3237 return !!isupper(c);
adamc@1061	3238 }
adamc@1061	3239
adamc@1061	3240 uw_Basis_bool uw_Basis_isxdigit(uw_context ctx, uw_Basis_char c) {
adamc@1063	3241 return !!isxdigit(c);
adamc@1061	3242 }
adamc@1061	3243
adamc@1061	3244 uw_Basis_char uw_Basis_tolower(uw_context ctx, uw_Basis_char c) {
adamc@1061	3245 return tolower(c);
adamc@1061	3246 }
adamc@1061	3247
adamc@1061	3248 uw_Basis_char uw_Basis_toupper(uw_context ctx, uw_Basis_char c) {
adamc@1061	3249 return toupper(c);
adamc@1061	3250 }
adamc@1066	3251
adamc@1066	3252 uw_Basis_string uw_Basis_currentUrl(uw_context ctx) {
adamc@1066	3253 return ctx->current_url;
adamc@1066	3254 }
adamc@1066	3255
adamc@1066	3256 void uw_set_currentUrl(uw_context ctx, char *s) {
adamc@1066	3257 ctx->current_url = s;
adamc@1066	3258 }

Mercurial > urweb

annotate src/c/urweb.c @ 1109:631a3597c065