Mercurial > urweb

comparison lib/js/urweb.js @ 1609:c6cc104a47ac

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Client-side timef
author Adam Chlipala <adam@chlipala.net>
date Thu, 24 Nov 2011 11:27:51 -0500
parents 252e05bf199d
children 37f5a23446b2
comparison
equal deleted inserted replaced
1608:77180224f1f9 1609:c6cc104a47ac
154 return t * 1000; 154 return t * 1000;
155 } catch (e) { 155 } catch (e) {
156 return null; 156 return null;
157 } 157 }
158 } 158 }
159
160 /*
161 strftime for Javascript
162 Copyright (c) 2008, Philip S Tellis <philip@bluesmoon.info>
163 All rights reserved.
164
165 This code is distributed under the terms of the BSD licence
166
167 Redistribution and use of this software in source and binary forms, with or without modification,
168 are permitted provided that the following conditions are met:
169
170 * Redistributions of source code must retain the above copyright notice, this list of conditions
171 and the following disclaimer.
172 * Redistributions in binary form must reproduce the above copyright notice, this list of
173 conditions and the following disclaimer in the documentation and/or other materials provided
174 with the distribution.
175 * The names of the contributors to this file may not be used to endorse or promote products
176 derived from this software without specific prior written permission.
177
178 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
179 WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
180 PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
181 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
182 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
183 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
184 TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
185 ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
186 */
187
188 Date.ext = {};
189 Date.ext.util = {};
190 Date.ext.util.xPad=function(x, pad, r)
191 {
192 if(typeof(r) == 'undefined')
193 {
194 r=10;
195 }
196 for( ; parseInt(x, 10)<r && r>1; r/=10)
197 x = pad.toString() + x;
198 return x.toString();
199 };
200 Date.prototype.locale = 'en-US';
201 if(document.getElementsByTagName('html') && document.getElementsByTagName('html')[0].lang)
202 {
203 Date.prototype.locale = document.getElementsByTagName('html')[0].lang;
204 }
205 Date.ext.locales = { };
206 Date.ext.locales.en = {
207 a: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
208 A: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
209 b: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
210 B: ['January', 'February', 'March', 'April', 'May', 'June', 'July', 'August', 'September', 'October', 'November', 'December'],
211 c: '%a %d %b %Y %T %Z',
212 p: ['AM', 'PM'],
213 P: ['am', 'pm'],
214 x: '%d/%m/%y',
215 X: '%T'
216 };
217 Date.ext.locales['en-US'] = Date.ext.locales.en;
218 Date.ext.locales['en-US'].c = '%a %d %b %Y %r %Z';
219 Date.ext.locales['en-US'].x = '%D';
220 Date.ext.locales['en-US'].X = '%r';
221 Date.ext.locales['en-GB'] = Date.ext.locales.en;
222 Date.ext.locales['en-AU'] = Date.ext.locales['en-GB'];
223 Date.ext.formats = {
224 a: function(d) { return Date.ext.locales[d.locale].a[d.getDay()]; },
225 A: function(d) { return Date.ext.locales[d.locale].A[d.getDay()]; },
226 b: function(d) { return Date.ext.locales[d.locale].b[d.getMonth()]; },
227 B: function(d) { return Date.ext.locales[d.locale].B[d.getMonth()]; },
228 c: 'toLocaleString',
229 C: function(d) { return Date.ext.util.xPad(parseInt(d.getFullYear()/100, 10), 0); },
230 d: ['getDate', '0'],
231 e: ['getDate', ' '],
232 g: function(d) { return Date.ext.util.xPad(parseInt(Date.ext.util.G(d)/100, 10), 0); },
233 G: function(d) {
234 var y = d.getFullYear();
235 var V = parseInt(Date.ext.formats.V(d), 10);
236 var W = parseInt(Date.ext.formats.W(d), 10);
237
238 if(W > V) {
239 y++;
240 } else if(W===0 && V>=52) {
241 y--;
242 }
243
244 return y;
245 },
246 H: ['getHours', '0'],
247 I: function(d) { var I=d.getHours()%12; return Date.ext.util.xPad(I===0?12:I, 0); },
248 j: function(d) {
249 var ms = d - new Date('' + d.getFullYear() + '/1/1 GMT');
250 ms += d.getTimezoneOffset()*60000;
251 var doy = parseInt(ms/60000/60/24, 10)+1;
252 return Date.ext.util.xPad(doy, 0, 100);
253 },
254 m: function(d) { return Date.ext.util.xPad(d.getMonth()+1, 0); },
255 M: ['getMinutes', '0'],
256 p: function(d) { return Date.ext.locales[d.locale].p[d.getHours() >= 12 ? 1 : 0 ]; },
257 P: function(d) { return Date.ext.locales[d.locale].P[d.getHours() >= 12 ? 1 : 0 ]; },
258 S: ['getSeconds', '0'],
259 u: function(d) { var dow = d.getDay(); return dow===0?7:dow; },
260 U: function(d) {
261 var doy = parseInt(Date.ext.formats.j(d), 10);
262 var rdow = 6-d.getDay();
263 var woy = parseInt((doy+rdow)/7, 10);
264 return Date.ext.util.xPad(woy, 0);
265 },
266 V: function(d) {
267 var woy = parseInt(Date.ext.formats.W(d), 10);
268 var dow1_1 = (new Date('' + d.getFullYear() + '/1/1')).getDay();
269 var idow = woy + (dow1_1 > 4 || dow1_1 <= 1 ? 0 : 1);
270 if(idow == 53 && (new Date('' + d.getFullYear() + '/12/31')).getDay() < 4)
271 {
272 idow = 1;
273 }
274 else if(idow === 0)
275 {
276 idow = Date.ext.formats.V(new Date('' + (d.getFullYear()-1) + '/12/31'));
277 }
278
279 return Date.ext.util.xPad(idow, 0);
280 },
281 w: 'getDay',
282 W: function(d) {
283 var doy = parseInt(Date.ext.formats.j(d), 10);
284 var rdow = 7-Date.ext.formats.u(d);
285 var woy = parseInt((doy+rdow)/7, 10);
286 return Date.ext.util.xPad(woy, 0, 10);
287 },
288 y: function(d) { return Date.ext.util.xPad(d.getFullYear()%100, 0); },
289 Y: 'getFullYear',
290 z: function(d) {
291 var o = d.getTimezoneOffset();
292 var H = Date.ext.util.xPad(parseInt(Math.abs(o/60), 10), 0);
293 var M = Date.ext.util.xPad(o%60, 0);
294 return (o>0?'-':'+') + H + M;
295 },
296 Z: function(d) { return d.toString().replace(/^.*\(([^)]+)\)$/, '$1'); },
297 '%': function(d) { return '%'; }
298 };
299 Date.ext.aggregates = {
300 c: 'locale',
301 D: '%m/%d/%y',
302 h: '%b',
303 n: '\n',
304 r: '%I:%M:%S %p',
305 R: '%H:%M',
306 t: '\t',
307 T: '%H:%M:%S',
308 x: 'locale',
309 X: 'locale'
310 };
311 Date.ext.aggregates.z = Date.ext.formats.z(new Date());
312 Date.ext.aggregates.Z = Date.ext.formats.Z(new Date());
313 Date.ext.unsupported = { };
314 function strftime(fmt, thisTime)
315 {
316 var thisDate = new Date();
317 thisDate.setTime(thisTime / 1000);
318
319 if(!(thisDate.locale in Date.ext.locales))
320 {
321 if(thisDate.locale.replace(/-[a-zA-Z]+$/, '') in Date.ext.locales)
322 {
323 thisDate.locale = thisDate.locale.replace(/-[a-zA-Z]+$/, '');
324 }
325 else
326 {
327 thisDate.locale = 'en-US';
328 }
329 }
330
331 var d = thisDate;
332 while(fmt.match(/%[cDhnrRtTxXzZ]/))
333 {
334 fmt = fmt.replace(/%([cDhnrRtTxXzZ])/g, function(m0, m1)
335 {
336 var f = Date.ext.aggregates[m1];
337 return (f == 'locale' ? Date.ext.locales[d.locale][m1] : f);
338 });
339 }
340
341 var str = fmt.replace(/%([aAbBCdegGHIjmMpPSuUVwWyY%])/g, function(m0, m1)
342 {
343 var f = Date.ext.formats[m1];
344 if(typeof(f) == 'string') {
345 return d[f]();
346 } else if(typeof(f) == 'function') {
347 return f.call(d, d);
348 } else if(typeof(f) == 'object' && typeof(f[0]) == 'string') {
349 return Date.ext.util.xPad(d[f[0]](), f[1]);
350 } else {
351 return m1;
352 }
353 });
354 d=null;
355 return str;
356 };
357
358 // End of code from Philip S Tellis
159 359
160 360
161 // Error handling 361 // Error handling
162 362
163 function whine(msg) { 363 function whine(msg) {