diff options
Diffstat (limited to 'gitweb/static/js/lib')
| -rw-r--r-- | gitweb/static/js/lib/common-lib.js | 224 | ||||
| -rw-r--r-- | gitweb/static/js/lib/cookies.js | 114 | ||||
| -rw-r--r-- | gitweb/static/js/lib/datetime.js | 176 | 
3 files changed, 514 insertions, 0 deletions
| diff --git a/gitweb/static/js/lib/common-lib.js b/gitweb/static/js/lib/common-lib.js new file mode 100644 index 0000000000..018bbb7d4c --- /dev/null +++ b/gitweb/static/js/lib/common-lib.js @@ -0,0 +1,224 @@ +// Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com> +//               2007, Petr Baudis <pasky@suse.cz> +//          2008-2011, Jakub Narebski <jnareb@gmail.com> + +/** + * @fileOverview Generic JavaScript code (helper functions) + * @license GPLv2 or later + */ + + +/* ============================================================ */ +/* ............................................................ */ +/* Padding */ + +/** + * pad INPUT on the left with STR that is assumed to have visible + * width of single character (for example nonbreakable spaces), + * to WIDTH characters + * + * example: padLeftStr(12, 3, '\u00A0') == '\u00A012' + *          ('\u00A0' is nonbreakable space) + * + * @param {Number|String} input: number to pad + * @param {Number} width: visible width of output + * @param {String} str: string to prefix to string, defaults to '\u00A0' + * @returns {String} INPUT prefixed with STR x (WIDTH - INPUT.length) + */ +function padLeftStr(input, width, str) { +	var prefix = ''; +	if (typeof str === 'undefined') { +		ch = '\u00A0'; // using ' ' doesn't work in all browsers +	} + +	width -= input.toString().length; +	while (width > 0) { +		prefix += str; +		width--; +	} +	return prefix + input; +} + +/** + * Pad INPUT on the left to WIDTH, using given padding character CH, + * for example padLeft('a', 3, '_') is '__a' + *             padLeft(4, 2) is '04' (same as padLeft(4, 2, '0')) + * + * @param {String} input: input value converted to string. + * @param {Number} width: desired length of output. + * @param {String} ch: single character to prefix to string, defaults to '0'. + * + * @returns {String} Modified string, at least SIZE length. + */ +function padLeft(input, width, ch) { +	var s = input + ""; +	if (typeof ch === 'undefined') { +		ch = '0'; +	} + +	while (s.length < width) { +		s = ch + s; +	} +	return s; +} + + +/* ............................................................ */ +/* Handling browser incompatibilities */ + +/** + * Create XMLHttpRequest object in cross-browser way + * @returns XMLHttpRequest object, or null + */ +function createRequestObject() { +	try { +		return new XMLHttpRequest(); +	} catch (e) {} +	try { +		return window.createRequest(); +	} catch (e) {} +	try { +		return new ActiveXObject("Msxml2.XMLHTTP"); +	} catch (e) {} +	try { +		return new ActiveXObject("Microsoft.XMLHTTP"); +	} catch (e) {} + +	return null; +} + + +/** + * Insert rule giving specified STYLE to given SELECTOR at the end of + * first CSS stylesheet. + * + * @param {String} selector: CSS selector, e.g. '.class' + * @param {String} style: rule contents, e.g. 'background-color: red;' + */ +function addCssRule(selector, style) { +	var stylesheet = document.styleSheets[0]; + +	var theRules = []; +	if (stylesheet.cssRules) {     // W3C way +		theRules = stylesheet.cssRules; +	} else if (stylesheet.rules) { // IE way +		theRules = stylesheet.rules; +	} + +	if (stylesheet.insertRule) {    // W3C way +		stylesheet.insertRule(selector + ' { ' + style + ' }', theRules.length); +	} else if (stylesheet.addRule) { // IE way +		stylesheet.addRule(selector, style); +	} +} + + +/* ............................................................ */ +/* Support for legacy browsers */ + +/** + * Provides getElementsByClassName method, if there is no native + * implementation of this method. + * + * NOTE that there are limits and differences compared to native + * getElementsByClassName as defined by e.g.: + *   https://developer.mozilla.org/en/DOM/document.getElementsByClassName + *   http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-getelementsbyclassname + *   http://www.whatwg.org/specs/web-apps/current-work/multipage/dom.html#dom-document-getelementsbyclassname + * + * Namely, this implementation supports only single class name as + * argument and not set of space-separated tokens representing classes, + * it returns Array of nodes rather than live NodeList, and has + * additional optional argument where you can limit search to given tags + * (via getElementsByTagName). + * + * Based on + *   http://code.google.com/p/getelementsbyclassname/ + *   http://www.dustindiaz.com/getelementsbyclass/ + *   http://stackoverflow.com/questions/1818865/do-we-have-getelementsbyclassname-in-javascript + * + * See also http://ejohn.org/blog/getelementsbyclassname-speed-comparison/ + * + * @param {String} class: name of _single_ class to find + * @param {String} [taghint] limit search to given tags + * @returns {Node[]} array of matching elements + */ +if (!('getElementsByClassName' in document)) { +	document.getElementsByClassName = function (classname, taghint) { +		taghint = taghint || "*"; +		var elements = (taghint === "*" && document.all) ? +		               document.all : +		               document.getElementsByTagName(taghint); +		var pattern = new RegExp("(^|\\s)" + classname + "(\\s|$)"); +		var matches= []; +		for (var i = 0, j = 0, n = elements.length; i < n; i++) { +			var el= elements[i]; +			if (el.className && pattern.test(el.className)) { +				// matches.push(el); +				matches[j] = el; +				j++; +			} +		} +		return matches; +	}; +} // end if + + +/* ............................................................ */ +/* unquoting/unescaping filenames */ + +/**#@+ + * @constant + */ +var escCodeRe = /\\([^0-7]|[0-7]{1,3})/g; +var octEscRe = /^[0-7]{1,3}$/; +var maybeQuotedRe = /^\"(.*)\"$/; +/**#@-*/ + +/** + * unquote maybe C-quoted filename (as used by git, i.e. it is + * in double quotes '"' if there is any escape character used) + * e.g. 'aa' -> 'aa', '"a\ta"' -> 'a	a' + * + * @param {String} str: git-quoted string + * @returns {String} Unquoted and unescaped string + * + * @globals escCodeRe, octEscRe, maybeQuotedRe + */ +function unquote(str) { +	function unq(seq) { +		var es = { +			// character escape codes, aka escape sequences (from C) +			// replacements are to some extent JavaScript specific +			t: "\t",   // tab            (HT, TAB) +			n: "\n",   // newline        (NL) +			r: "\r",   // return         (CR) +			f: "\f",   // form feed      (FF) +			b: "\b",   // backspace      (BS) +			a: "\x07", // alarm (bell)   (BEL) +			e: "\x1B", // escape         (ESC) +			v: "\v"    // vertical tab   (VT) +		}; + +		if (seq.search(octEscRe) !== -1) { +			// octal char sequence +			return String.fromCharCode(parseInt(seq, 8)); +		} else if (seq in es) { +			// C escape sequence, aka character escape code +			return es[seq]; +		} +		// quoted ordinary character +		return seq; +	} + +	var match = str.match(maybeQuotedRe); +	if (match) { +		str = match[1]; +		// perhaps str = eval('"'+str+'"'); would be enough? +		str = str.replace(escCodeRe, +			function (substr, p1, offset, s) { return unq(p1); }); +	} +	return str; +} + +/* end of common-lib.js */ diff --git a/gitweb/static/js/lib/cookies.js b/gitweb/static/js/lib/cookies.js new file mode 100644 index 0000000000..66b9a072a4 --- /dev/null +++ b/gitweb/static/js/lib/cookies.js @@ -0,0 +1,114 @@ +/** + * @fileOverview Accessing cookies from JavaScript + * @license GPLv2 or later + */ + +/* + * Based on subsection "Cookies in JavaScript" of "Professional + * JavaScript for Web Developers" by Nicholas C. Zakas and cookie + * plugin from jQuery (dual licensed under the MIT and GPL licenses) + */ + + +/** + * Create a cookie with the given name and value, + * and other optional parameters. + * + * @example + *   setCookie('foo', 'bar'); // will be deleted when browser exits + *   setCookie('foo', 'bar', { expires: new Date(Date.parse('Jan 1, 2012')) }); + *   setCookie('foo', 'bar', { expires: 7 }); // 7 days = 1 week + *   setCookie('foo', 'bar', { expires: 14, path: '/' }); + * + * @param {String} sName:    Unique name of a cookie (letters, numbers, underscores). + * @param {String} sValue:   The string value stored in a cookie. + * @param {Object} [options] An object literal containing key/value pairs + *                           to provide optional cookie attributes. + * @param {String|Number|Date} [options.expires] Either literal string to be used as cookie expires, + *                            or an integer specifying the expiration date from now on in days, + *                            or a Date object to be used as cookie expiration date. + *                            If a negative value is specified or a date in the past), + *                            the cookie will be deleted. + *                            If set to null or omitted, the cookie will be a session cookie + *                            and will not be retained when the browser exits. + * @param {String} [options.path] Restrict access of a cookie to particular directory + *                               (default: path of page that created the cookie). + * @param {String} [options.domain] Override what web sites are allowed to access cookie + *                                  (default: domain of page that created the cookie). + * @param {Boolean} [options.secure] If true, the secure attribute of the cookie will be set + *                                   and the cookie would be accessible only from secure sites + *                                   (cookie transmission will require secure protocol like HTTPS). + */ +function setCookie(sName, sValue, options) { +	options = options || {}; +	if (sValue === null) { +		sValue = ''; +		option.expires = 'delete'; +	} + +	var sCookie = sName + '=' + encodeURIComponent(sValue); + +	if (options.expires) { +		var oExpires = options.expires, sDate; +		if (oExpires === 'delete') { +			sDate = 'Thu, 01 Jan 1970 00:00:00 GMT'; +		} else if (typeof oExpires === 'string') { +			sDate = oExpires; +		} else { +			var oDate; +			if (typeof oExpires === 'number') { +				oDate = new Date(); +				oDate.setTime(oDate.getTime() + (oExpires * 24 * 60 * 60 * 1000)); // days to ms +			} else { +				oDate = oExpires; +			} +			sDate = oDate.toGMTString(); +		} +		sCookie += '; expires=' + sDate; +	} + +	if (options.path) { +		sCookie += '; path=' + (options.path); +	} +	if (options.domain) { +		sCookie += '; domain=' + (options.domain); +	} +	if (options.secure) { +		sCookie += '; secure'; +	} +	document.cookie = sCookie; +} + +/** + * Get the value of a cookie with the given name. + * + * @param {String} sName: Unique name of a cookie (letters, numbers, underscores) + * @returns {String|null} The string value stored in a cookie + */ +function getCookie(sName) { +	var sRE = '(?:; )?' + sName + '=([^;]*);?'; +	var oRE = new RegExp(sRE); +	if (oRE.test(document.cookie)) { +		return decodeURIComponent(RegExp['$1']); +	} else { +		return null; +	} +} + +/** + * Delete cookie with given name + * + * @param {String} sName:    Unique name of a cookie (letters, numbers, underscores) + * @param {Object} [options] An object literal containing key/value pairs + *                           to provide optional cookie attributes. + * @param {String} [options.path]   Must be the same as when setting a cookie + * @param {String} [options.domain] Must be the same as when setting a cookie + */ +function deleteCookie(sName, options) { +	options = options || {}; +	options.expires = 'delete'; + +	setCookie(sName, '', options); +} + +/* end of cookies.js */ diff --git a/gitweb/static/js/lib/datetime.js b/gitweb/static/js/lib/datetime.js new file mode 100644 index 0000000000..f78c60a912 --- /dev/null +++ b/gitweb/static/js/lib/datetime.js @@ -0,0 +1,176 @@ +// Copyright (C) 2007, Fredrik Kuivinen <frekui@gmail.com> +//               2007, Petr Baudis <pasky@suse.cz> +//          2008-2011, Jakub Narebski <jnareb@gmail.com> + +/** + * @fileOverview Datetime manipulation: parsing and formatting + * @license GPLv2 or later + */ + + +/* ............................................................ */ +/* parsing and retrieving datetime related information */ + +/** + * used to extract hours and minutes from timezone info, e.g '-0900' + * @constant + */ +var tzRe = /^([+\-])([0-9][0-9])([0-9][0-9])$/; + +/** + * convert numeric timezone +/-ZZZZ to offset from UTC in seconds + * + * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' + * @returns {Number} offset from UTC in seconds for timezone + * + * @globals tzRe + */ +function timezoneOffset(timezoneInfo) { +	var match = tzRe.exec(timezoneInfo); +	var tz_sign = (match[1] === '-' ? -1 : +1); +	var tz_hour = parseInt(match[2],10); +	var tz_min  = parseInt(match[3],10); + +	return tz_sign*(((tz_hour*60) + tz_min)*60); +} + +/** + * return local (browser) timezone as offset from UTC in seconds + * + * @returns {Number} offset from UTC in seconds for local timezone + */ +function localTimezoneOffset() { +	// getTimezoneOffset returns the time-zone offset from UTC, +	// in _minutes_, for the current locale +	return ((new Date()).getTimezoneOffset() * -60); +} + +/** + * return local (browser) timezone as numeric timezone '(+|-)HHMM' + * + * @returns {String} locat timezone as -/+ZZZZ + */ +function localTimezoneInfo() { +	var tzOffsetMinutes = (new Date()).getTimezoneOffset() * -1; + +	return formatTimezoneInfo(0, tzOffsetMinutes); +} + + +/** + * Parse RFC-2822 date into a Unix timestamp (into epoch) + * + * @param {String} date: date in RFC-2822 format, e.g. 'Thu, 21 Dec 2000 16:01:07 +0200' + * @returns {Number} epoch i.e. seconds since '00:00:00 1970-01-01 UTC' + */ +function parseRFC2822Date(date) { +	// Date.parse accepts the IETF standard (RFC 1123 Section 5.2.14 and elsewhere) +	// date syntax, which is defined in RFC 2822 (obsoletes RFC 822) +	// and returns number of _milli_seconds since January 1, 1970, 00:00:00 UTC +	return Date.parse(date) / 1000; +} + + +/* ............................................................ */ +/* formatting date */ + +/** + * format timezone offset as numerical timezone '(+|-)HHMM' or '(+|-)HH:MM' + * + * @param {Number} hours:    offset in hours, e.g. 2 for '+0200' + * @param {Number} [minutes] offset in minutes, e.g. 30 for '-4030'; + *                           it is split into hours if not 0 <= minutes < 60, + *                           for example 1200 would give '+0100'; + *                           defaults to 0 + * @param {String} [sep] separator between hours and minutes part, + *                       default is '', might be ':' for W3CDTF (rfc-3339) + * @returns {String} timezone in '(+|-)HHMM' or '(+|-)HH:MM' format + */ +function formatTimezoneInfo(hours, minutes, sep) { +	minutes = minutes || 0; // to be able to use formatTimezoneInfo(hh) +	sep = sep || ''; // default format is +/-ZZZZ + +	if (minutes < 0 || minutes > 59) { +		hours = minutes > 0 ? Math.floor(minutes / 60) : Math.ceil(minutes / 60); +		minutes = Math.abs(minutes - 60*hours); // sign of minutes is sign of hours +		// NOTE: this works correctly because there is no UTC-00:30 timezone +	} + +	var tzSign = hours >= 0 ? '+' : '-'; +	if (hours < 0) { +		hours = -hours; // sign is stored in tzSign +	} + +	return tzSign + padLeft(hours, 2, '0') + sep + padLeft(minutes, 2, '0'); +} + +/** + * translate 'utc' and 'local' to numerical timezone + * @param {String} timezoneInfo: might be 'utc' or 'local' (browser) + */ +function normalizeTimezoneInfo(timezoneInfo) { +	switch (timezoneInfo) { +	case 'utc': +		return '+0000'; +	case 'local': // 'local' is browser timezone +		return localTimezoneInfo(); +	} +	return timezoneInfo; +} + + +/** + * return date in local time formatted in iso-8601 like format + * 'yyyy-mm-dd HH:MM:SS +/-ZZZZ' e.g. '2005-08-07 21:49:46 +0200' + * + * @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC' + * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' + * @returns {String} date in local time in iso-8601 like format + */ +function formatDateISOLocal(epoch, timezoneInfo) { +	// date corrected by timezone +	var localDate = new Date(1000 * (epoch + +		timezoneOffset(timezoneInfo))); +	var localDateStr = // e.g. '2005-08-07' +		localDate.getUTCFullYear()                 + '-' + +		padLeft(localDate.getUTCMonth()+1, 2, '0') + '-' + +		padLeft(localDate.getUTCDate(),    2, '0'); +	var localTimeStr = // e.g. '21:49:46' +		padLeft(localDate.getUTCHours(),   2, '0') + ':' + +		padLeft(localDate.getUTCMinutes(), 2, '0') + ':' + +		padLeft(localDate.getUTCSeconds(), 2, '0'); + +	return localDateStr + ' ' + localTimeStr + ' ' + timezoneInfo; +} + +/** + * return date in local time formatted in rfc-2822 format + * e.g. 'Thu, 21 Dec 2000 16:01:07 +0200' + * + * @param {Number} epoch: seconds since '00:00:00 1970-01-01 UTC' + * @param {String} timezoneInfo: numeric timezone '(+|-)HHMM' + * @param {Boolean} [padDay] e.g. 'Sun, 07 Aug' if true, 'Sun, 7 Aug' otherwise + * @returns {String} date in local time in rfc-2822 format + */ +function formatDateRFC2882(epoch, timezoneInfo, padDay) { +	// A short textual representation of a month, three letters +	var months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]; +	// A textual representation of a day, three letters +	var days = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"]; +	// date corrected by timezone +	var localDate = new Date(1000 * (epoch + +		timezoneOffset(timezoneInfo))); +	var localDateStr = // e.g. 'Sun, 7 Aug 2005' or 'Sun, 07 Aug 2005' +		days[localDate.getUTCDay()] + ', ' + +		(padDay ? padLeft(localDate.getUTCDate(),2,'0') : localDate.getUTCDate()) + ' ' + +		months[localDate.getUTCMonth()] + ' ' + +		localDate.getUTCFullYear(); +	var localTimeStr = // e.g. '21:49:46' +		padLeft(localDate.getUTCHours(),   2, '0') + ':' + +		padLeft(localDate.getUTCMinutes(), 2, '0') + ':' + +		padLeft(localDate.getUTCSeconds(), 2, '0'); + +	return localDateStr + ' ' + localTimeStr + ' ' + timezoneInfo; +} + +/* end of datetime.js */ | 
