adamc@117
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1 #include <stdlib.h>
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adamc@102
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2 #include <stdio.h>
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adamc@117
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3 #include <string.h>
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adamc@106
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4 #include <ctype.h>
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adamc@167
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5 #include <setjmp.h>
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adamc@167
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6 #include <stdarg.h>
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7
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adamc@102
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8 #include "types.h"
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9
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10 lw_unit lw_unit_v = {};
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11
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adamc@167
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12 #define ERROR_BUF_LEN 1024
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13
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14 struct lw_context {
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15 char *page, *page_front, *page_back;
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16 char *heap, *heap_front, *heap_back;
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17 char **inputs;
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18
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19 void *db;
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20
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21 jmp_buf jmp_buf;
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22
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adamc@167
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23 char error_message[ERROR_BUF_LEN];
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24 };
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adamc@117
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25
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adamc@144
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26 extern int lw_inputs_len;
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27
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28 lw_context lw_init(size_t page_len, size_t heap_len) {
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29 lw_context ctx = malloc(sizeof(struct lw_context));
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30
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31 ctx->page_front = ctx->page = malloc(page_len);
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32 ctx->page_back = ctx->page_front + page_len;
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33
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adamc@136
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34 ctx->heap_front = ctx->heap = malloc(heap_len);
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35 ctx->heap_back = ctx->heap_front + heap_len;
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36
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37 ctx->inputs = calloc(lw_inputs_len, sizeof(char *));
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38
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39 ctx->db = NULL;
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40
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41 ctx->error_message[0] = 0;
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42
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adamc@117
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43 return ctx;
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adamc@106
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44 }
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adamc@106
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45
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adamc@272
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46 void lw_set_db(lw_context ctx, void *db) {
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adamc@272
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47 ctx->db = db;
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adamc@272
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48 }
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adamc@272
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49
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adamc@272
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50 void *lw_get_db(lw_context ctx) {
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adamc@272
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51 return ctx->db;
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adamc@272
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52 }
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adamc@272
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53
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adamc@117
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54 void lw_free(lw_context ctx) {
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adamc@117
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55 free(ctx->page);
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adamc@136
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56 free(ctx->heap);
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adamc@144
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57 free(ctx->inputs);
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adamc@136
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58 free(ctx);
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adamc@136
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59 }
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adamc@136
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60
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adamc@167
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61 void lw_reset_keep_request(lw_context ctx) {
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62 ctx->page_front = ctx->page;
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adamc@138
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63 ctx->heap_front = ctx->heap;
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adamc@167
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64
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65 ctx->error_message[0] = 0;
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adamc@167
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66 }
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adamc@167
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67
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adamc@167
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68 void lw_reset_keep_error_message(lw_context ctx) {
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adamc@167
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69 ctx->page_front = ctx->page;
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adamc@167
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70 ctx->heap_front = ctx->heap;
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adamc@167
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71 }
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adamc@167
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72
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adamc@167
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73 void lw_reset(lw_context ctx) {
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adamc@167
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74 lw_reset_keep_request(ctx);
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adamc@144
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75 memset(ctx->inputs, 0, lw_inputs_len * sizeof(char *));
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adamc@144
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76 }
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adamc@144
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77
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adamc@272
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78 void lw_db_init(lw_context);
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adamc@167
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79 void lw_handle(lw_context, char *);
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adamc@167
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80
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adamc@272
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81 failure_kind lw_begin_init(lw_context ctx) {
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adamc@272
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82 int r = setjmp(ctx->jmp_buf);
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adamc@272
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83
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adamc@272
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84 if (r == 0)
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adamc@272
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85 lw_db_init(ctx);
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adamc@272
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86
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adamc@272
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87 return r;
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adamc@272
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88 }
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adamc@272
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89
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adamc@167
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90 failure_kind lw_begin(lw_context ctx, char *path) {
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adamc@190
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91 int r = setjmp(ctx->jmp_buf);
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adamc@190
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92
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adamc@190
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93 if (r == 0)
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adamc@167
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94 lw_handle(ctx, path);
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adamc@167
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95
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adamc@190
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96 return r;
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adamc@167
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97 }
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adamc@167
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98
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adamc@283
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99 __attribute__((noreturn)) void lw_error(lw_context ctx, failure_kind fk, const char *fmt, ...) {
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100 va_list ap;
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101 va_start(ap, fmt);
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adamc@167
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102
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adamc@167
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103 vsnprintf(ctx->error_message, ERROR_BUF_LEN, fmt, ap);
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adamc@167
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104
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adamc@190
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105 longjmp(ctx->jmp_buf, fk);
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adamc@167
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106 }
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adamc@167
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107
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adamc@167
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108 char *lw_error_message(lw_context ctx) {
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adamc@167
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109 return ctx->error_message;
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adamc@167
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110 }
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adamc@167
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111
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adamc@144
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112 int lw_input_num(char*);
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adamc@144
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113
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adamc@144
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114 void lw_set_input(lw_context ctx, char *name, char *value) {
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adamc@144
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115 int n = lw_input_num(name);
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adamc@144
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116
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adamc@169
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117 if (n < 0)
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adamc@169
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118 lw_error(ctx, FATAL, "Bad input name %s", name);
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adamc@144
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119
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adamc@169
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120 if (n >= lw_inputs_len)
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adamc@169
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121 lw_error(ctx, FATAL, "For input name %s, index %d is out of range", name, n);
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122
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adamc@144
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123 ctx->inputs[n] = value;
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124
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adamc@282
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125 //printf("[%d] %s = %s\n", n, name, value);
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adamc@144
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126 }
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adamc@144
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127
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adamc@144
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128 char *lw_get_input(lw_context ctx, int n) {
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adamc@169
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129 if (n < 0)
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adamc@169
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130 lw_error(ctx, FATAL, "Negative input index %d", n);
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adamc@169
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131 if (n >= lw_inputs_len)
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adamc@169
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132 lw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
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adamc@282
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133 //printf("[%d] = %s\n", n, ctx->inputs[n]);
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adamc@144
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134 return ctx->inputs[n];
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adamc@138
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135 }
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adamc@138
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136
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adamc@190
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137 char *lw_get_optional_input(lw_context ctx, int n) {
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adamc@190
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138 if (n < 0)
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adamc@190
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139 lw_error(ctx, FATAL, "Negative input index %d", n);
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adamc@190
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140 if (n >= lw_inputs_len)
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adamc@190
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141 lw_error(ctx, FATAL, "Out-of-bounds input index %d", n);
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adamc@190
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142 printf("[%d] = %s\n", n, ctx->inputs[n]);
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adamc@190
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143 return (ctx->inputs[n] == NULL ? "" : ctx->inputs[n]);
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adamc@190
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144 }
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adamc@190
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145
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adamc@136
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146 static void lw_check_heap(lw_context ctx, size_t extra) {
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adamc@136
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147 if (ctx->heap_back - ctx->heap_front < extra) {
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adamc@136
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148 size_t desired = ctx->heap_back - ctx->heap_front + extra, next;
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adamc@136
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149 char *new_heap;
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adamc@136
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150
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adamc@136
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151 for (next = ctx->heap_back - ctx->heap_front; next < desired; next *= 2);
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adamc@136
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152
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adamc@136
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153 new_heap = realloc(ctx->heap, next);
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adamc@169
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154 ctx->heap_front = new_heap;
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adamc@169
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155 ctx->heap_back = new_heap + next;
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adamc@136
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156
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adamc@136
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157 if (new_heap != ctx->heap) {
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adamc@136
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158 ctx->heap = new_heap;
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adamc@169
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159 lw_error(ctx, UNLIMITED_RETRY, "Couldn't allocate new heap chunk contiguously");
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adamc@136
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160 }
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adamc@136
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161
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adamc@169
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162 ctx->heap = new_heap;
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adamc@136
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163 }
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adamc@136
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164 }
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adamc@136
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165
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adamc@136
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166 void *lw_malloc(lw_context ctx, size_t len) {
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adamc@136
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167 void *result;
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adamc@136
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168
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adamc@136
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169 lw_check_heap(ctx, len);
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adamc@136
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170
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adamc@136
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171 result = ctx->heap_front;
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adamc@136
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172 ctx->heap_front += len;
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adamc@136
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173 return result;
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adamc@117
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174 }
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adamc@117
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175
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adamc@117
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176 int lw_really_send(int sock, const void *buf, ssize_t len) {
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adamc@117
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177 while (len > 0) {
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adamc@117
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178 ssize_t n = send(sock, buf, len, 0);
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adamc@117
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179
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adamc@117
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180 if (n < 0)
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adamc@117
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181 return n;
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adamc@117
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182
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adamc@117
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183 buf += n;
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adamc@117
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184 len -= n;
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adamc@117
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185 }
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adamc@117
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186
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adamc@117
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187 return 0;
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adamc@117
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188 }
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adamc@117
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189
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adamc@117
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190 int lw_send(lw_context ctx, int sock) {
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adamc@117
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191 return lw_really_send(sock, ctx->page, ctx->page_front - ctx->page);
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adamc@117
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192 }
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adamc@117
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193
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adamc@117
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194 static void lw_check(lw_context ctx, size_t extra) {
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adamc@117
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195 size_t desired = ctx->page_back - ctx->page_front + extra, next;
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adamc@117
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196 char *new_page;
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adamc@117
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197
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adamc@117
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198 for (next = ctx->page_back - ctx->page_front; next < desired; next *= 2);
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adamc@117
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199
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adamc@117
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200 new_page = realloc(ctx->page, next);
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adamc@117
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201 ctx->page_front = new_page + (ctx->page_front - ctx->page);
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adamc@117
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202 ctx->page_back = new_page + (ctx->page_back - ctx->page);
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adamc@117
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203 ctx->page = new_page;
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adamc@117
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204 }
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adamc@117
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205
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adamc@117
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206 static void lw_writec_unsafe(lw_context ctx, char c) {
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adamc@117
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207 *(ctx->page_front)++ = c;
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adamc@117
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208 }
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adamc@117
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209
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adamc@117
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210 void lw_writec(lw_context ctx, char c) {
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adamc@117
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211 lw_check(ctx, 1);
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adamc@117
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212 lw_writec_unsafe(ctx, c);
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adamc@117
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213 }
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adamc@117
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214
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adamc@117
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215 static void lw_write_unsafe(lw_context ctx, const char* s) {
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adamc@117
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216 int len = strlen(s);
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adamc@117
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217 memcpy(ctx->page_front, s, len);
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adamc@117
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218 ctx->page_front += len;
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adamc@117
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219 }
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adamc@117
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220
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adamc@117
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221 void lw_write(lw_context ctx, const char* s) {
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adamc@183
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222 lw_check(ctx, strlen(s) + 1);
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adamc@117
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223 lw_write_unsafe(ctx, s);
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adamc@183
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224 *ctx->page_front = 0;
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adamc@102
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225 }
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adamc@106
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226
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adamc@135
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227
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adamc@136
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228 char *lw_Basis_attrifyInt(lw_context ctx, lw_Basis_int n) {
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adamc@136
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229 char *result;
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adamc@136
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230 int len;
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adamc@136
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231 lw_check_heap(ctx, INTS_MAX);
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adamc@136
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232 result = ctx->heap_front;
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adamc@276
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233 sprintf(result, "%lld%n", n, &len);
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adamc@137
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234 ctx->heap_front += len+1;
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adamc@136
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235 return result;
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adamc@106
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236 }
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adamc@106
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237
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adamc@136
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238 char *lw_Basis_attrifyFloat(lw_context ctx, lw_Basis_float n) {
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adamc@136
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239 char *result;
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adamc@136
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240 int len;
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adamc@137
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241 lw_check_heap(ctx, FLOATS_MAX);
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adamc@136
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242 result = ctx->heap_front;
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adamc@136
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243 sprintf(result, "%g%n", n, &len);
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adamc@137
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244 ctx->heap_front += len+1;
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adamc@136
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245 return result;
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adamc@106
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246 }
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adamc@106
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247
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adamc@136
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248 char *lw_Basis_attrifyString(lw_context ctx, lw_Basis_string s) {
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adamc@136
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249 int len = strlen(s);
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adamc@136
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250 char *result, *p;
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adamc@137
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251 lw_check_heap(ctx, len * 6 + 1);
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adamc@136
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252
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adamc@136
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253 result = p = ctx->heap_front;
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adamc@136
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254
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adamc@136
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255 for (; *s; s++) {
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adamc@136
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256 char c = *s;
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adamc@136
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257
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adamc@136
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258 if (c == '"') {
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adamc@136
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259 strcpy(p, """);
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adamc@136
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260 p += 6;
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adamc@136
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261 } else if (c == '&') {
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adamc@136
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262 strcpy(p, "&");
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adamc@136
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263 p += 5;
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adamc@136
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264 }
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adamc@136
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265 else if (isprint(c))
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adamc@136
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266 *p++ = c;
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adamc@136
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267 else {
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adamc@136
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268 int len2;
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adamc@136
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269 sprintf(p, "&#%d;%n", c, &len2);
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adamc@136
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270 p += len2;
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adamc@136
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271 }
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adamc@136
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272 }
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adamc@136
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273
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adamc@137
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274 *p++ = 0;
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adamc@136
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275 ctx->heap_front = p;
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adamc@136
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276 return result;
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adamc@106
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277 }
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adamc@106
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278
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adamc@117
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279 static void lw_Basis_attrifyInt_w_unsafe(lw_context ctx, lw_Basis_int n) {
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adamc@117
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280 int len;
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adamc@117
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281
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adamc@276
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282 sprintf(ctx->page_front, "%lld%n", n, &len);
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adamc@117
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283 ctx->page_front += len;
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adamc@106
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284 }
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adamc@106
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285
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adamc@117
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286 void lw_Basis_attrifyInt_w(lw_context ctx, lw_Basis_int n) {
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adamc@117
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287 lw_check(ctx, INTS_MAX);
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adamc@117
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288 lw_Basis_attrifyInt_w_unsafe(ctx, n);
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adamc@106
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289 }
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adamc@106
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290
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adamc@117
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291 void lw_Basis_attrifyFloat_w(lw_context ctx, lw_Basis_float n) {
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adamc@117
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292 int len;
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adamc@117
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293
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adamc@117
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294 lw_check(ctx, FLOATS_MAX);
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adamc@117
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295 sprintf(ctx->page_front, "%g%n", n, &len);
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adamc@117
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296 ctx->page_front += len;
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adamc@117
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297 }
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adamc@117
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298
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adamc@117
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299 void lw_Basis_attrifyString_w(lw_context ctx, lw_Basis_string s) {
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adamc@117
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300 lw_check(ctx, strlen(s) * 6);
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adamc@117
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301
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adamc@106
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302 for (; *s; s++) {
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adamc@106
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303 char c = *s;
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adamc@106
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304
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adamc@106
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305 if (c == '"')
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adamc@117
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306 lw_write_unsafe(ctx, """);
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adamc@136
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307 else if (c == '&')
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adamc@136
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308 lw_write_unsafe(ctx, "&");
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adamc@106
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309 else if (isprint(c))
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adamc@117
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310 lw_writec_unsafe(ctx, c);
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adamc@106
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311 else {
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adamc@117
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312 lw_write_unsafe(ctx, "&#");
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adamc@117
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313 lw_Basis_attrifyInt_w_unsafe(ctx, c);
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adamc@117
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314 lw_writec_unsafe(ctx, ';');
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adamc@106
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315 }
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adamc@106
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316 }
|
adamc@106
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317 }
|
adamc@120
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318
|
adamc@120
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319
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adamc@137
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320 char *lw_Basis_urlifyInt(lw_context ctx, lw_Basis_int n) {
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adamc@137
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321 int len;
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adamc@137
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322 char *r;
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adamc@137
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323
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adamc@137
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324 lw_check_heap(ctx, INTS_MAX);
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adamc@137
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325 r = ctx->heap_front;
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adamc@276
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326 sprintf(r, "%lld%n", n, &len);
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adamc@137
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327 ctx->heap_front += len+1;
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adamc@137
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328 return r;
|
adamc@120
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329 }
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adamc@120
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330
|
adamc@137
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331 char *lw_Basis_urlifyFloat(lw_context ctx, lw_Basis_float n) {
|
adamc@137
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332 int len;
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adamc@137
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333 char *r;
|
adamc@137
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334
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adamc@137
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335 lw_check_heap(ctx, FLOATS_MAX);
|
adamc@137
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336 r = ctx->heap_front;
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adamc@137
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337 sprintf(r, "%g%n", n, &len);
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adamc@137
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338 ctx->heap_front += len+1;
|
adamc@137
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339 return r;
|
adamc@120
|
340 }
|
adamc@120
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341
|
adamc@137
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342 char *lw_Basis_urlifyString(lw_context ctx, lw_Basis_string s) {
|
adamc@137
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343 char *r, *p;
|
adamc@137
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344
|
adamc@137
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345 lw_check_heap(ctx, strlen(s) * 3 + 1);
|
adamc@137
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346
|
adamc@137
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347 for (r = p = ctx->heap_front; *s; s++) {
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adamc@137
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348 char c = *s;
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adamc@137
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349
|
adamc@137
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350 if (c == ' ')
|
adamc@137
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351 *p++ = '+';
|
adamc@137
|
352 else if (isalnum(c))
|
adamc@137
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353 *p++ = c;
|
adamc@137
|
354 else {
|
adamc@137
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355 sprintf(p, "%%%02X", c);
|
adamc@137
|
356 p += 3;
|
adamc@137
|
357 }
|
adamc@137
|
358 }
|
adamc@137
|
359
|
adamc@137
|
360 *p++ = 0;
|
adamc@137
|
361 ctx->heap_front = p;
|
adamc@137
|
362 return r;
|
adamc@120
|
363 }
|
adamc@120
|
364
|
adamc@186
|
365 char *lw_Basis_urlifyBool(lw_context ctx, lw_Basis_bool b) {
|
adamc@189
|
366 if (b == lw_Basis_False)
|
adamc@186
|
367 return "0";
|
adamc@186
|
368 else
|
adamc@186
|
369 return "1";
|
adamc@186
|
370 }
|
adamc@186
|
371
|
adamc@120
|
372 static void lw_Basis_urlifyInt_w_unsafe(lw_context ctx, lw_Basis_int n) {
|
adamc@120
|
373 int len;
|
adamc@120
|
374
|
adamc@276
|
375 sprintf(ctx->page_front, "%lld%n", n, &len);
|
adamc@120
|
376 ctx->page_front += len;
|
adamc@120
|
377 }
|
adamc@120
|
378
|
adamc@120
|
379 void lw_Basis_urlifyInt_w(lw_context ctx, lw_Basis_int n) {
|
adamc@120
|
380 lw_check(ctx, INTS_MAX);
|
adamc@120
|
381 lw_Basis_urlifyInt_w_unsafe(ctx, n);
|
adamc@120
|
382 }
|
adamc@120
|
383
|
adamc@120
|
384 void lw_Basis_urlifyFloat_w(lw_context ctx, lw_Basis_float n) {
|
adamc@120
|
385 int len;
|
adamc@120
|
386
|
adamc@120
|
387 lw_check(ctx, FLOATS_MAX);
|
adamc@120
|
388 sprintf(ctx->page_front, "%g%n", n, &len);
|
adamc@120
|
389 ctx->page_front += len;
|
adamc@120
|
390 }
|
adamc@120
|
391
|
adamc@120
|
392 void lw_Basis_urlifyString_w(lw_context ctx, lw_Basis_string s) {
|
adamc@120
|
393 lw_check(ctx, strlen(s) * 3);
|
adamc@120
|
394
|
adamc@120
|
395 for (; *s; s++) {
|
adamc@120
|
396 char c = *s;
|
adamc@120
|
397
|
adamc@120
|
398 if (c == ' ')
|
adamc@120
|
399 lw_writec_unsafe(ctx, '+');
|
adamc@120
|
400 else if (isalnum(c))
|
adamc@120
|
401 lw_writec_unsafe(ctx, c);
|
adamc@120
|
402 else {
|
adamc@120
|
403 sprintf(ctx->page_front, "%%%02X", c);
|
adamc@120
|
404 ctx->page_front += 3;
|
adamc@120
|
405 }
|
adamc@120
|
406 }
|
adamc@120
|
407 }
|
adamc@120
|
408
|
adamc@186
|
409 void lw_Basis_urlifyBool_w(lw_context ctx, lw_Basis_bool b) {
|
adamc@189
|
410 if (b == lw_Basis_False)
|
adamc@186
|
411 lw_writec(ctx, '0');
|
adamc@186
|
412 else
|
adamc@186
|
413 lw_writec(ctx, '1');
|
adamc@186
|
414 }
|
adamc@186
|
415
|
adamc@120
|
416
|
adamc@144
|
417 static char *lw_unurlify_advance(char *s) {
|
adamc@144
|
418 char *new_s = strchr(s, '/');
|
adamc@120
|
419
|
adamc@120
|
420 if (new_s)
|
adamc@120
|
421 *new_s++ = 0;
|
adamc@120
|
422 else
|
adamc@144
|
423 new_s = strchr(s, 0);
|
adamc@144
|
424
|
adamc@144
|
425 return new_s;
|
adamc@144
|
426 }
|
adamc@144
|
427
|
adamc@186
|
428 lw_Basis_int lw_Basis_unurlifyInt(lw_context ctx, char **s) {
|
adamc@144
|
429 char *new_s = lw_unurlify_advance(*s);
|
adamc@276
|
430 lw_Basis_int r;
|
adamc@120
|
431
|
adamc@276
|
432 r = atoll(*s);
|
adamc@120
|
433 *s = new_s;
|
adamc@120
|
434 return r;
|
adamc@120
|
435 }
|
adamc@120
|
436
|
adamc@186
|
437 lw_Basis_float lw_Basis_unurlifyFloat(lw_context ctx, char **s) {
|
adamc@144
|
438 char *new_s = lw_unurlify_advance(*s);
|
adamc@276
|
439 lw_Basis_float r;
|
adamc@120
|
440
|
adamc@120
|
441 r = atof(*s);
|
adamc@120
|
442 *s = new_s;
|
adamc@120
|
443 return r;
|
adamc@120
|
444 }
|
adamc@120
|
445
|
adamc@169
|
446 static lw_Basis_string lw_unurlifyString_to(lw_context ctx, char *r, char *s) {
|
adamc@144
|
447 char *s1, *s2;
|
adamc@144
|
448 int n;
|
adamc@136
|
449
|
adamc@144
|
450 for (s1 = r, s2 = s; *s2; ++s1, ++s2) {
|
adamc@136
|
451 char c = *s2;
|
adamc@136
|
452
|
adamc@136
|
453 switch (c) {
|
adamc@136
|
454 case '+':
|
adamc@136
|
455 *s1 = ' ';
|
adamc@136
|
456 break;
|
adamc@136
|
457 case '%':
|
adamc@169
|
458 if (s2[1] == 0)
|
adamc@169
|
459 lw_error(ctx, FATAL, "Missing first character of escaped URL byte");
|
adamc@169
|
460 if (s2[2] == 0)
|
adamc@169
|
461 lw_error(ctx, FATAL, "Missing second character of escaped URL byte");
|
adamc@169
|
462 if (sscanf(s2+1, "%02X", &n) != 1)
|
adamc@169
|
463 lw_error(ctx, FATAL, "Invalid escaped URL byte starting at: %s", s2);
|
adamc@136
|
464 *s1 = n;
|
adamc@136
|
465 s2 += 2;
|
adamc@136
|
466 break;
|
adamc@136
|
467 default:
|
adamc@136
|
468 *s1 = c;
|
adamc@136
|
469 }
|
adamc@136
|
470 }
|
adamc@136
|
471 *s1++ = 0;
|
adamc@144
|
472 return s1;
|
adamc@144
|
473 }
|
adamc@144
|
474
|
adamc@186
|
475 lw_Basis_bool lw_Basis_unurlifyBool(lw_context ctx, char **s) {
|
adamc@186
|
476 char *new_s = lw_unurlify_advance(*s);
|
adamc@186
|
477 lw_Basis_bool r;
|
adamc@186
|
478
|
adamc@186
|
479 if (*s[0] == 0 || !strcmp(*s, "0") || !strcmp(*s, "off"))
|
adamc@189
|
480 r = lw_Basis_False;
|
adamc@186
|
481 else
|
adamc@189
|
482 r = lw_Basis_True;
|
adamc@186
|
483
|
adamc@186
|
484 *s = new_s;
|
adamc@186
|
485 return r;
|
adamc@186
|
486 }
|
adamc@186
|
487
|
adamc@186
|
488 lw_Basis_string lw_Basis_unurlifyString(lw_context ctx, char **s) {
|
adamc@144
|
489 char *new_s = lw_unurlify_advance(*s);
|
adamc@144
|
490 char *r, *s1, *s2;
|
adamc@144
|
491 int len, n;
|
adamc@144
|
492
|
adamc@200
|
493 len = strlen(*s);
|
adamc@144
|
494 lw_check_heap(ctx, len + 1);
|
adamc@144
|
495
|
adamc@144
|
496 r = ctx->heap_front;
|
adamc@200
|
497 ctx->heap_front = lw_unurlifyString_to(ctx, ctx->heap_front, *s);
|
adamc@136
|
498 *s = new_s;
|
adamc@136
|
499 return r;
|
adamc@120
|
500 }
|
adamc@135
|
501
|
adamc@135
|
502
|
adamc@286
|
503 char *lw_Basis_htmlifyInt(lw_context ctx, lw_Basis_int n) {
|
adamc@286
|
504 int len;
|
adamc@286
|
505 char *r;
|
adamc@286
|
506
|
adamc@286
|
507 lw_check_heap(ctx, INTS_MAX);
|
adamc@286
|
508 r = ctx->heap_front;
|
adamc@286
|
509 sprintf(r, "%lld%n", n, &len);
|
adamc@286
|
510 ctx->heap_front += len+1;
|
adamc@286
|
511 return r;
|
adamc@286
|
512 }
|
adamc@286
|
513
|
adamc@286
|
514 void lw_Basis_htmlifyInt_w(lw_context ctx, lw_Basis_int n) {
|
adamc@286
|
515 int len;
|
adamc@286
|
516
|
adamc@286
|
517 lw_check(ctx, INTS_MAX);
|
adamc@286
|
518 sprintf(ctx->page_front, "%lld%n", n, &len);
|
adamc@286
|
519 ctx->page_front += len;
|
adamc@286
|
520 }
|
adamc@286
|
521
|
adamc@286
|
522 char *lw_Basis_htmlifyFloat(lw_context ctx, lw_Basis_float n) {
|
adamc@286
|
523 int len;
|
adamc@286
|
524 char *r;
|
adamc@286
|
525
|
adamc@286
|
526 lw_check_heap(ctx, FLOATS_MAX);
|
adamc@286
|
527 r = ctx->heap_front;
|
adamc@286
|
528 sprintf(r, "%g%n", n, &len);
|
adamc@286
|
529 ctx->heap_front += len+1;
|
adamc@286
|
530 return r;
|
adamc@286
|
531 }
|
adamc@286
|
532
|
adamc@286
|
533 void lw_Basis_htmlifyFloat_w(lw_context ctx, lw_Basis_float n) {
|
adamc@286
|
534 int len;
|
adamc@286
|
535
|
adamc@286
|
536 lw_check(ctx, FLOATS_MAX);
|
adamc@286
|
537 sprintf(ctx->page_front, "%g%n", n, &len);
|
adamc@286
|
538 ctx->page_front += len;
|
adamc@286
|
539 }
|
adamc@286
|
540
|
adamc@136
|
541 char *lw_Basis_htmlifyString(lw_context ctx, lw_Basis_string s) {
|
adamc@137
|
542 char *r, *s2;
|
adamc@137
|
543
|
adamc@137
|
544 lw_check_heap(ctx, strlen(s) * 5 + 1);
|
adamc@137
|
545
|
adamc@137
|
546 for (r = s2 = ctx->heap_front; *s; s++) {
|
adamc@137
|
547 char c = *s;
|
adamc@137
|
548
|
adamc@137
|
549 switch (c) {
|
adamc@137
|
550 case '<':
|
adamc@137
|
551 strcpy(s2, "<");
|
adamc@137
|
552 s2 += 4;
|
adamc@137
|
553 break;
|
adamc@137
|
554 case '&':
|
adamc@137
|
555 strcpy(s2, "&");
|
adamc@137
|
556 s2 += 5;
|
adamc@137
|
557 break;
|
adamc@137
|
558 default:
|
adamc@137
|
559 if (isprint(c))
|
adamc@137
|
560 *s2++ = c;
|
adamc@137
|
561 else {
|
adamc@137
|
562 int len2;
|
adamc@137
|
563 sprintf(s2, "&#%d;%n", c, &len2);
|
adamc@137
|
564 s2 += len2;
|
adamc@137
|
565 }
|
adamc@137
|
566 }
|
adamc@137
|
567 }
|
adamc@137
|
568
|
adamc@137
|
569 *s2++ = 0;
|
adamc@137
|
570 ctx->heap_front = s2;
|
adamc@137
|
571 return r;
|
adamc@135
|
572 }
|
adamc@135
|
573
|
adamc@135
|
574 void lw_Basis_htmlifyString_w(lw_context ctx, lw_Basis_string s) {
|
adamc@135
|
575 lw_check(ctx, strlen(s) * 5);
|
adamc@135
|
576
|
adamc@135
|
577 for (; *s; s++) {
|
adamc@135
|
578 char c = *s;
|
adamc@135
|
579
|
adamc@135
|
580 switch (c) {
|
adamc@135
|
581 case '<':
|
adamc@135
|
582 lw_write_unsafe(ctx, "<");
|
adamc@135
|
583 break;
|
adamc@135
|
584 case '&':
|
adamc@135
|
585 lw_write_unsafe(ctx, "&");
|
adamc@135
|
586 break;
|
adamc@135
|
587 default:
|
adamc@135
|
588 if (isprint(c))
|
adamc@135
|
589 lw_writec_unsafe(ctx, c);
|
adamc@135
|
590 else {
|
adamc@135
|
591 lw_write_unsafe(ctx, "&#");
|
adamc@135
|
592 lw_Basis_attrifyInt_w_unsafe(ctx, c);
|
adamc@135
|
593 lw_writec_unsafe(ctx, ';');
|
adamc@135
|
594 }
|
adamc@135
|
595 }
|
adamc@135
|
596 }
|
adamc@135
|
597 }
|
adamc@180
|
598
|
adamc@286
|
599 lw_Basis_string lw_Basis_htmlifyBool(lw_context ctx, lw_Basis_bool b) {
|
adamc@286
|
600 if (b == lw_Basis_False)
|
adamc@286
|
601 return "False";
|
adamc@286
|
602 else
|
adamc@286
|
603 return "True";
|
adamc@286
|
604 }
|
adamc@286
|
605
|
adamc@286
|
606 void lw_Basis_htmlifyBool_w(lw_context ctx, lw_Basis_bool b) {
|
adamc@286
|
607 if (b == lw_Basis_False) {
|
adamc@286
|
608 lw_check(ctx, 6);
|
adamc@286
|
609 strcpy(ctx->page_front, "False");
|
adamc@286
|
610 ctx->page_front += 5;
|
adamc@286
|
611 } else {
|
adamc@286
|
612 lw_check(ctx, 5);
|
adamc@286
|
613 strcpy(ctx->page_front, "True");
|
adamc@286
|
614 ctx->page_front += 4;
|
adamc@286
|
615 }
|
adamc@286
|
616 }
|
adamc@286
|
617
|
adamc@180
|
618 lw_Basis_string lw_Basis_strcat(lw_context ctx, lw_Basis_string s1, lw_Basis_string s2) {
|
adamc@180
|
619 int len = strlen(s1) + strlen(s2) + 1;
|
adamc@180
|
620 char *s;
|
adamc@180
|
621
|
adamc@183
|
622 lw_check_heap(ctx, len);
|
adamc@180
|
623
|
adamc@180
|
624 s = ctx->heap_front;
|
adamc@180
|
625
|
adamc@180
|
626 strcpy(s, s1);
|
adamc@180
|
627 strcat(s, s2);
|
adamc@180
|
628 ctx->heap_front += len;
|
adamc@180
|
629
|
adamc@180
|
630 return s;
|
adamc@180
|
631 }
|
adamc@278
|
632
|
adamc@278
|
633 lw_Basis_string lw_Basis_strdup(lw_context ctx, lw_Basis_string s1) {
|
adamc@278
|
634 int len = strlen(s1) + 1;
|
adamc@278
|
635 char *s;
|
adamc@278
|
636
|
adamc@278
|
637 lw_check_heap(ctx, len);
|
adamc@278
|
638
|
adamc@278
|
639 s = ctx->heap_front;
|
adamc@278
|
640
|
adamc@278
|
641 strcpy(s, s1);
|
adamc@278
|
642 ctx->heap_front += len;
|
adamc@278
|
643
|
adamc@278
|
644 return s;
|
adamc@278
|
645 }
|
adamc@280
|
646
|
adamc@280
|
647
|
adamc@281
|
648 char *lw_Basis_sqlifyInt(lw_context ctx, lw_Basis_int n) {
|
adamc@281
|
649 int len;
|
adamc@281
|
650 char *r;
|
adamc@281
|
651
|
adamc@281
|
652 lw_check_heap(ctx, INTS_MAX + 6);
|
adamc@281
|
653 r = ctx->heap_front;
|
adamc@281
|
654 sprintf(r, "%lld::int8%n", n, &len);
|
adamc@281
|
655 ctx->heap_front += len+1;
|
adamc@281
|
656 return r;
|
adamc@281
|
657 }
|
adamc@281
|
658
|
adamc@281
|
659 char *lw_Basis_sqlifyFloat(lw_context ctx, lw_Basis_float n) {
|
adamc@281
|
660 int len;
|
adamc@281
|
661 char *r;
|
adamc@281
|
662
|
adamc@281
|
663 lw_check_heap(ctx, FLOATS_MAX + 8);
|
adamc@281
|
664 r = ctx->heap_front;
|
adamc@281
|
665 sprintf(r, "%g::float8%n", n, &len);
|
adamc@281
|
666 ctx->heap_front += len+1;
|
adamc@281
|
667 return r;
|
adamc@281
|
668 }
|
adamc@281
|
669
|
adamc@281
|
670
|
adamc@280
|
671 lw_Basis_string lw_Basis_sqlifyString(lw_context ctx, lw_Basis_string s) {
|
adamc@280
|
672 char *r, *s2;
|
adamc@280
|
673
|
adamc@281
|
674 lw_check_heap(ctx, strlen(s) * 2 + 10);
|
adamc@280
|
675
|
adamc@280
|
676 r = s2 = ctx->heap_front;
|
adamc@280
|
677 *s2++ = 'E';
|
adamc@280
|
678 *s2++ = '\'';
|
adamc@280
|
679
|
adamc@280
|
680 for (; *s; s++) {
|
adamc@280
|
681 char c = *s;
|
adamc@280
|
682
|
adamc@280
|
683 switch (c) {
|
adamc@280
|
684 case '\'':
|
adamc@280
|
685 strcpy(s2, "\\'");
|
adamc@280
|
686 s2 += 2;
|
adamc@280
|
687 break;
|
adamc@280
|
688 case '\\':
|
adamc@280
|
689 strcpy(s2, "\\\\");
|
adamc@280
|
690 s2 += 2;
|
adamc@280
|
691 break;
|
adamc@280
|
692 default:
|
adamc@280
|
693 if (isprint(c))
|
adamc@280
|
694 *s2++ = c;
|
adamc@280
|
695 else {
|
adamc@280
|
696 sprintf(s2, "\\%3o", c);
|
adamc@280
|
697 s2 += 4;
|
adamc@280
|
698 }
|
adamc@280
|
699 }
|
adamc@280
|
700 }
|
adamc@280
|
701
|
adamc@281
|
702 strcpy(s2, "'::text");
|
adamc@281
|
703 ctx->heap_front = s2 + 8;
|
adamc@280
|
704 return r;
|
adamc@280
|
705 }
|
adamc@281
|
706
|
adamc@281
|
707 char *lw_Basis_sqlifyBool(lw_context ctx, lw_Basis_bool b) {
|
adamc@281
|
708 if (b == lw_Basis_False)
|
adamc@281
|
709 return "FALSE";
|
adamc@281
|
710 else
|
adamc@281
|
711 return "TRUE";
|
adamc@281
|
712 }
|
adamc@282
|
713
|
adamc@282
|
714 char *lw_Basis_ensqlBool(lw_Basis_bool b) {
|
adamc@282
|
715 static lw_Basis_int true = 1;
|
adamc@282
|
716 static lw_Basis_int false = 0;
|
adamc@282
|
717
|
adamc@282
|
718 if (b == lw_Basis_False)
|
adamc@282
|
719 return (char *)&false;
|
adamc@282
|
720 else
|
adamc@282
|
721 return (char *)&true;
|
adamc@282
|
722 }
|
adamc@284
|
723
|
adamc@284
|
724 lw_Basis_string lw_Basis_intToString(lw_context ctx, lw_Basis_int n) {
|
adamc@284
|
725 int len;
|
adamc@284
|
726 char *r;
|
adamc@284
|
727
|
adamc@284
|
728 lw_check_heap(ctx, INTS_MAX);
|
adamc@284
|
729 r = ctx->heap_front;
|
adamc@284
|
730 sprintf(r, "%lld%n", n, &len);
|
adamc@284
|
731 ctx->heap_front += len+1;
|
adamc@284
|
732 return r;
|
adamc@284
|
733 }
|
adamc@285
|
734
|
adamc@285
|
735 lw_Basis_string lw_Basis_floatToString(lw_context ctx, lw_Basis_float n) {
|
adamc@285
|
736 int len;
|
adamc@285
|
737 char *r;
|
adamc@285
|
738
|
adamc@285
|
739 lw_check_heap(ctx, FLOATS_MAX);
|
adamc@285
|
740 r = ctx->heap_front;
|
adamc@285
|
741 sprintf(r, "%g%n", n, &len);
|
adamc@285
|
742 ctx->heap_front += len+1;
|
adamc@285
|
743 return r;
|
adamc@285
|
744 }
|
adamc@285
|
745
|
adamc@285
|
746 lw_Basis_string lw_Basis_boolToString(lw_context ctx, lw_Basis_bool b) {
|
adamc@285
|
747 if (b == lw_Basis_False)
|
adamc@285
|
748 return "False";
|
adamc@285
|
749 else
|
adamc@285
|
750 return "True";
|
adamc@285
|
751 }
|
adamc@288
|
752
|
adamc@288
|
753
|
adamc@288
|
754 lw_Basis_int *lw_Basis_stringToInt(lw_context ctx, lw_Basis_string s) {
|
adamc@288
|
755 char *endptr;
|
adamc@288
|
756 lw_Basis_int n = strtoll(s, &endptr, 10);
|
adamc@288
|
757
|
adamc@288
|
758 if (*s != '\0' && *endptr == '\0') {
|
adamc@288
|
759 lw_Basis_int *r = lw_malloc(ctx, sizeof(lw_Basis_int));
|
adamc@288
|
760 *r = n;
|
adamc@288
|
761 return r;
|
adamc@288
|
762 } else
|
adamc@288
|
763 return NULL;
|
adamc@288
|
764 }
|
adamc@289
|
765
|
adamc@289
|
766 lw_Basis_float *lw_Basis_stringToFloat(lw_context ctx, lw_Basis_string s) {
|
adamc@289
|
767 char *endptr;
|
adamc@289
|
768 lw_Basis_float n = strtod(s, &endptr);
|
adamc@289
|
769
|
adamc@289
|
770 if (*s != '\0' && *endptr == '\0') {
|
adamc@289
|
771 lw_Basis_float *r = lw_malloc(ctx, sizeof(lw_Basis_float));
|
adamc@289
|
772 *r = n;
|
adamc@289
|
773 return r;
|
adamc@289
|
774 } else
|
adamc@289
|
775 return NULL;
|
adamc@289
|
776 }
|
adamc@289
|
777
|
adamc@289
|
778 lw_Basis_bool *lw_Basis_stringToBool(lw_context ctx, lw_Basis_string s) {
|
adamc@289
|
779 static lw_Basis_bool true = lw_Basis_True;
|
adamc@289
|
780 static lw_Basis_bool false = lw_Basis_False;
|
adamc@289
|
781
|
adamc@289
|
782 if (!strcasecmp (s, "True"))
|
adamc@289
|
783 return &true;
|
adamc@289
|
784 else if (!strcasecmp (s, "False"))
|
adamc@289
|
785 return &false;
|
adamc@289
|
786 else
|
adamc@289
|
787 return NULL;
|
adamc@289
|
788 }
|
adamc@292
|
789
|
adamc@292
|
790 lw_Basis_int lw_Basis_stringToInt_error(lw_context ctx, lw_Basis_string s) {
|
adamc@292
|
791 char *endptr;
|
adamc@292
|
792 lw_Basis_int n = strtoll(s, &endptr, 10);
|
adamc@292
|
793
|
adamc@292
|
794 if (*s != '\0' && *endptr == '\0')
|
adamc@292
|
795 return n;
|
adamc@292
|
796 else
|
adamc@292
|
797 lw_error(ctx, FATAL, "Can't parse int: %s", s);
|
adamc@292
|
798 }
|
adamc@293
|
799
|
adamc@293
|
800 lw_Basis_float lw_Basis_stringToFloat_error(lw_context ctx, lw_Basis_string s) {
|
adamc@293
|
801 char *endptr;
|
adamc@293
|
802 lw_Basis_float n = strtod(s, &endptr);
|
adamc@293
|
803
|
adamc@293
|
804 if (*s != '\0' && *endptr == '\0')
|
adamc@293
|
805 return n;
|
adamc@293
|
806 else
|
adamc@293
|
807 lw_error(ctx, FATAL, "Can't parse float: %s", s);
|
adamc@293
|
808 }
|
adamc@293
|
809
|
adamc@293
|
810 lw_Basis_bool lw_Basis_stringToBool_error(lw_context ctx, lw_Basis_string s) {
|
adamc@293
|
811 if (!strcasecmp (s, "True"))
|
adamc@293
|
812 return lw_Basis_True;
|
adamc@293
|
813 else if (!strcasecmp (s, "False"))
|
adamc@293
|
814 return lw_Basis_False;
|
adamc@293
|
815 else
|
adamc@293
|
816 lw_error(ctx, FATAL, "Can't parse bool: %s", s);
|
adamc@293
|
817 }
|