Diffstat (limited to 'frontend/delta/js/MochiKit/Text.js') (more/less context) (ignore whitespace changes)
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diff --git a/frontend/delta/js/MochiKit/Text.js b/frontend/delta/js/MochiKit/Text.js new file mode 100644 index 0000000..0c230fa --- a/dev/null +++ b/frontend/delta/js/MochiKit/Text.js @@ -0,0 +1,569 @@ +/* + +Copyright 2008-2013 Clipperz Srl + +This file is part of Clipperz, the online password manager. +For further information about its features and functionalities please +refer to http://www.clipperz.com. + +* Clipperz is free software: you can redistribute it and/or modify it + under the terms of the GNU Affero General Public License as published + by the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + +* Clipperz is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the GNU Affero General Public License for more details. + +* You should have received a copy of the GNU Affero General Public + License along with Clipperz. If not, see http://www.gnu.org/licenses/. + +*/ + +/*** + +MochiKit.Text 1.5 + +See <http://mochikit.com/> for documentation, downloads, license, etc. + +(c) 2008 Per Cederberg. All rights Reserved. + +***/ + +MochiKit.Base.module(MochiKit, 'Text', '1.5', ['Base', 'Format']); + +/** + * Checks if a text string starts with the specified substring. If + * either of the two strings is null, false will be returned. + * + * @param {String} substr the substring to search for + * @param {String} str the string to search in + * + * @return {Boolean} true if the string starts with the substring, or + * false otherwise + */ +MochiKit.Text.startsWith = function (substr, str) { + return str != null && substr != null && str.indexOf(substr) == 0; +}; + +/** + * Checks if a text string ends with the specified substring. If + * either of the two strings is null, false will be returned. + * + * @param {String} substr the substring to search for + * @param {String} str the string to search in + * + * @return {Boolean} true if the string ends with the substring, or + * false otherwise + */ +MochiKit.Text.endsWith = function (substr, str) { + return str != null && substr != null && + str.lastIndexOf(substr) == Math.max(str.length - substr.length, 0); +}; + +/** + * Checks if a text string contains the specified substring. If + * either of the two strings is null, false will be returned. + * + * @param {String} substr the substring to search for + * @param {String} str the string to search in + * + * @return {Boolean} true if the string contains the substring, or + * false otherwise + */ +MochiKit.Text.contains = function (substr, str) { + return str != null && substr != null && str.indexOf(substr) >= 0; +}; + +/** + * Adds a character to the left-hand side of a string until it + * reaches the specified minimum length. + * + * @param {String} str the string to process + * @param {Number} minLength the requested minimum length + * @param {String} fillChar the padding character to add, defaults + * to a space + * + * @return {String} the padded string + */ +MochiKit.Text.padLeft = function (str, minLength, fillChar) { + str = str || ""; + fillChar = fillChar || " "; + while (str.length < minLength) { + str = fillChar + str; + } + return str; +}; + +/** + * Adds a character to the right-hand side of a string until it + * reaches the specified minimum length. + * + * @param {String} str the string to process + * @param {Number} minLength the requested minimum length + * @param {String} fillChar the padding character to add, defaults + * to a space + * + * @return {String} the padded string + */ +MochiKit.Text.padRight = function (str, minLength, fillChar) { + str = str || ""; + fillChar = fillChar || " "; + while (str.length < minLength) { + str += fillChar; + } + return str; +}; + +/** + * Returns a truncated copy of a string. If the string is shorter + * than the specified maximum length, the object will be returned + * unmodified. If an optional tail string is specified, additional + * elements will be removed in order to accomodate the tail (that + * will be appended). This function also works on arrays. + * + * @param {String} str the string to truncate + * @param {Number} maxLength the maximum length + * @param {String} [tail] the tail to append on truncation + * + * @return {String} the truncated string + */ +MochiKit.Text.truncate = function (str, maxLength, tail) { + if (str == null || str.length <= maxLength || maxLength < 0) { + return str; + } else if (tail != null) { + str = str.slice(0, Math.max(0, maxLength - tail.length)); + if (typeof(str) == "string") { + return str + tail; + } else { + return MochiKit.Base.extend(str, tail); + } + } else { + return str.slice(0, maxLength); + } +}; + +/** + * Splits a text string using separator as the split point + * If max is given, at most max splits are done, giving at most + * max + 1 elements in the returned list. + * + * @param {String} str the string to split + * @param {String/RegExp} [separator] the separator char or regexp to use, + * defaults to newline + * @param {Number} [max] the maximum number of parts to return + * @return {Array} an array of parts of the string + */ +MochiKit.Text.split = function (str, separator, max) { + if (str == null) { + return str; + } + separator = separator || '\n'; + var bits = str.split(separator); + if ((typeof(max) == "undefined") || max >= bits.length - 1) { + return bits; + } + bits.splice(max, bits.length, bits.slice(max, bits.length).join(separator)); + return bits; +}; + +/** + * Splits a text string using separator as the split point + * If max is given, at most max splits are done, + * using splits from the right + * + * @param {String} str the string to split + * @param {String/RegExp} [separator] the separator char or regexp to use, + * defaults to newline + * @param {Number} [max] the maximum number of parts to return + * @return {Array} an array of parts of the string + */ +MochiKit.Text.rsplit = function (str, separator, max) { + if (str == null) { + return str; + } + separator = separator || '\n'; + var bits = str.split(separator); + if ((typeof(max) == "undefined") || max >= bits.length - 1){ + return bits; + } + bits.splice(0, bits.length-max, bits.slice(0, bits.length-max).join(separator)); + return bits; +}; + +/** + * Creates a formatter function for the specified formatter pattern + * and locale. The returned function takes as many arguments as the + * formatter pattern requires. See separate documentation for + * information about the formatter pattern syntax. + * + * @param {String} pattern the formatter pattern string + * @param {Object} [locale] the locale to use, defaults to + * LOCALE.en_US + * + * @return {Function} the formatter function created + * + * @throws FormatPatternError if the format pattern was invalid + */ +MochiKit.Text.formatter = function (pattern, locale) { + if (locale == null) { + locale = MochiKit.Format.formatLocale(); + } else if (typeof(locale) == "string") { + locale = MochiKit.Format.formatLocale(locale); + } + var parts = MochiKit.Text._parsePattern(pattern); + return function() { + var values = MochiKit.Base.extend([], arguments); + var res = []; + for (var i = 0; i < parts.length; i++) { + if (typeof(parts[i]) == "string") { + res.push(parts[i]); + } else { + res.push(MochiKit.Text.formatValue(parts[i], values, locale)); + } + } + return res.join(""); + }; +}; + +/** + * Formats the specified arguments according to a formatter pattern. + * See separate documentation for information about the formatter + * pattern syntax. + * + * @param {String} pattern the formatter pattern string + * @param {Object} [...] the optional values to format + * + * @return {String} the formatted output string + * + * @throws FormatPatternError if the format pattern was invalid + */ +MochiKit.Text.format = function (pattern/*, ...*/) { + var func = MochiKit.Text.formatter(pattern); + return func.apply(this, MochiKit.Base.extend([], arguments, 1)); +}; + +/** + * Format a value with the specified format specifier. + * + * @param {String/Object} spec the format specifier string or parsed + * format specifier object + * @param {Object} value the value to format + * @param {Object} [locale] the locale to use, defaults to + * LOCALE.en_US + * + * @return {String} the formatted output string + * + * @throws FormatPatternError if the format specifier was invalid + */ +MochiKit.Text.formatValue = function (spec, value, locale) { + var self = MochiKit.Text; + if (typeof(spec) === "string") { + spec = self._parseFormatFlags(spec, 0, spec.length); + } + for (var i = 0; spec.path != null && i < spec.path.length; i++) { + if (value != null) { + value = value[spec.path[i]]; + } + } + if (locale == null) { + locale = MochiKit.Format.formatLocale(); + } else if (typeof(locale) == "string") { + locale = MochiKit.Format.formatLocale(locale); + } + var str = ""; + if (spec.type == "number") { + if (value instanceof Number) { + value = value.valueOf(); + } + if (typeof(value) != "number" || isNaN(value)) { + str = ""; + } else if (value === Number.POSITIVE_INFINITY) { + str = "\u221e"; + } else if (value === Number.NEGATIVE_INFINITY) { + str = "-\u221e"; + } else { + var sign = (value < 0) ? "-" : spec.sign; + value = Math.abs(value); + if (spec.format === "%") { + str = self._truncToPercent(value, spec.precision); + } else if (spec.format === "d") { + str = MochiKit.Format.roundToFixed(value, 0); + } else if (spec.radix != 10) { + str = Math.floor(value).toString(spec.radix); + if (spec.format === "x") { + str = str.toLowerCase(); + } else if (spec.format === "X") { + str = str.toUpperCase(); + } + } else if (spec.precision >= 0) { + str = MochiKit.Format.roundToFixed(value, spec.precision); + } else { + str = value.toString(); + } + if (spec.padding === "0" && spec.format === "%") { + str = self.padLeft(str, spec.width - sign.length - 1, "0"); + } else if (spec.padding == "0") { + str = self.padLeft(str, spec.width - sign.length, "0"); + } + str = self._localizeNumber(str, locale, spec.group); + str = sign + str; + } + if (str !== "" && spec.format === "%") { + str = str + locale.percent; + } + } else { + if (spec.format == "r") { + str = MochiKit.Base.repr(value); + } else { + str = (value == null) ? "" : value.toString(); + } + str = self.truncate(str, spec.precision); + } + if (spec.align == "<") { + str = self.padRight(str, spec.width); + } else { + str = self.padLeft(str, spec.width); + } + return str; +}; + +/** + * Adjust an already formatted numeric string for locale-specific + * grouping and decimal separators. The grouping is optional and + * will attempt to keep the number string length intact by removing + * padded zeros (if possible). + * + * @param {String} num the formatted number string + * @param {Object} locale the formatting locale to use + * @param {Boolean} group the grouping flag + * + * @return {String} the localized number string + */ +MochiKit.Text._localizeNumber = function (num, locale, group) { + var parts = num.split(/\./); + var whole = parts[0]; + var frac = (parts.length == 1) ? "" : parts[1]; + var res = (frac.length > 0) ? locale.decimal : ""; + while (group && frac.length > 3) { + res = res + frac.substring(0, 3) + locale.separator; + frac = frac.substring(3); + if (whole.charAt(0) == "0") { + whole = whole.substring(1); + } + } + if (frac.length > 0) { + res = res + frac; + } + while (group && whole.length > 3) { + var pos = whole.length - 3; + res = locale.separator + whole.substring(pos) + res; + whole = whole.substring((whole.charAt(0) == "0") ? 1 : 0, pos); + } + return whole + res; +}; + +/** + * Parses a format pattern and returns an array of constant strings + * and format info objects. + * + * @param {String} pattern the format pattern to analyze + * + * @return {Array} an array of strings and format info objects + * + * @throws FormatPatternError if the format pattern was invalid + */ +MochiKit.Text._parsePattern = function (pattern) { + var self = MochiKit.Text; + var parts = []; + var re = /{[^{}]*}|{{?|}}?/g; + var lastPos = re.lastIndex = 0; + var m; + while ((m = re.exec(pattern)) != null) { + if (lastPos < m.index) { + parts.push(pattern.substring(lastPos, m.index)) + } + var str = m[0]; + lastPos = m.index + str.length; + if (self.startsWith("{", str) && self.endsWith("}", str)) { + parts.push(self._parseFormat(pattern, m.index + 1, lastPos - 1)); + } else if (self.startsWith("{{", str) || self.startsWith("}}", str)) { + parts.push(str.substring(1)); + } else if (self.startsWith("{", str)) { + var msg = "unescaped { char, should be escaped as {{"; + throw new self.FormatPatternError(pattern, m.index, msg); + } else if (self.startsWith("}", str)) { + var msg = "unescaped } char, should be escaped as }}"; + throw new self.FormatPatternError(pattern, m.index, msg); + } + } + if (lastPos < pattern.length) { + parts.push(pattern.substring(lastPos)); + } + return parts; +}; + +/** + * Parses a format instruction and returns a format info object. + * + * @param {String} pattern the format pattern string + * @param {Number} startPos the first index of the format instruction + * @param {Number} endPos the last index of the format instruction + * + * @return {Object} the format info object + * + * @throws FormatPatternError if the format pattern was invalid + */ +MochiKit.Text._parseFormat = function (pattern, startPos, endPos) { + var self = MochiKit.Text; + var text = pattern.substring(startPos, endPos); + var parts = self.split(text, ":", 1); + var path = parts[0]; + var flagsPos = startPos + path.length + ((parts.length == 1) ? 0 : 1); + var info = self._parseFormatFlags(pattern, flagsPos, endPos); + info.path = (path == "") ? [] : path.split("."); + for (var i = 0; i < info.path.length; i++) { + var v = info.path[i]; + // TODO: replace with MochiKit.Format.strip? + v = v.replace(/^\s+/, "").replace(/\s+$/, ""); + if (v == "" && info.path.length == 1) { + v = 0; + } else if (v == "") { + var msg = "format value path contains blanks"; + throw new self.FormatPatternError(pattern, startPos, msg); + } else if (/^\d+$/.test(v)) { + v = parseInt(v, 10); + } + info.path[i] = v; + } + if (info.path.length <= 0 || typeof(info.path[0]) != "number") { + info.path.unshift(0); + } + return info; +}; + +/** + * Parses a string with format flags and returns a format info object. + * + * @param {String} pattern the format pattern string + * @param {Number} startPos the first index of the format instruction + * @param {Number} endPos the last index of the format instruction + * + * @return {Object} the format info object + * + * @throws FormatPatternError if the format pattern was invalid + */ +MochiKit.Text._parseFormatFlags = function (pattern, startPos, endPos) { + var update = MochiKit.Base.update; + var info = { type: "string", format: "s", width: 0, precision: -1, + align: ">", sign: "", padding: " ", group: false }; + // TODO: replace with MochiKit.Format.rstrip? + var text = pattern.substring(startPos, endPos).replace(/\s+$/, ""); + var m = /^([<>+ 0,-]+)?(\d+)?(\.\d*)?([srbdoxXf%])?(.*)$/.exec(text); + var flags = m[1]; + var width = m[2]; + var precision = m[3]; + var type = m[4]; + var unmatched = m[5]; + for (var i = 0; flags && i < flags.length; i++) { + var chr = flags.charAt(i); + if (chr == "<" || chr == ">") { + info.align = chr; + } else if (chr == "+" || chr == "-" || chr == " ") { + info.sign = (chr == "-") ? "" : chr; + } else if (chr == "0") { + info.padding = chr; + } else if (chr == ",") { + info.group = true; + } + } + if (width) { + info.width = parseInt(width, 10); + } + if (precision && precision.length > 1) { + info.precision = parseInt(precision.substring(1), 10); + } + if (type == "s" || type == "r") { + info.format = type; + } else if (type == "b") { + update(info, { type: "number", format: type, radix: 2 }); + } else if (type == "o") { + update(info, { type: "number", format: type, radix: 8 }); + } else if (type == "x" || type == "X") { + update(info, { type: "number", format: type, radix: 16 }); + } else if (type == "d" || type == "f" || type == "%") { + update(info, { type: "number", format: type, radix: 10 }); + } + if (unmatched) { + var msg = "unsupported format flag: " + unmatched.charAt(0); + throw new MochiKit.Text.FormatPatternError(pattern, startPos, msg); + } + return info; +}; + +/** + * Formats a value as a percentage. This method avoids multiplication + * by 100 since it leads to weird numeric rounding errors. Instead it + * just move the decimal separator in the text string. It is ugly, + * but works... + * + * @param {Number} value the value to format + * @param {Number} precision the number of precision digits + */ +MochiKit.Text._truncToPercent = function (value, precision) { + // TODO: This can be simplified by using MochiKit.Format._shiftNumber + // as roundToFixed does. + var str; + if (precision >= 0) { + str = MochiKit.Format.roundToFixed(value, precision + 2); + } else { + str = (value == null) ? "0" : value.toString(); + } + var arr = MochiKit.Text.split(str, ".", 2); + var frac = MochiKit.Text.padRight(arr[1], 2, "0"); + var whole = arr[0] + frac.substring(0, 2); + frac = frac.substring(2); + while (/^0[0-9]/.test(whole)) { + whole = whole.substring(1); + } + return (frac.length <= 0) ? whole : whole + "." + frac; +}; + +/** + * Creates a new format pattern error. + * + * @param {String} pattern the format pattern string + * @param {Number} pos the position of the error + * @param {String} message the error message text + * + * @return {Error} the format pattern error + * + * @class The format pattern error class. This error is thrown when + * a syntax error is encountered inside a format string. + * @property {String} pattern The format pattern string. + * @property {Number} pos The position of the error. + * @property {String} message The error message text. + * @extends MochiKit.Base.NamedError + */ +MochiKit.Text.FormatPatternError = function (pattern, pos, message) { + this.pattern = pattern; + this.pos = pos; + this.message = message; +}; + +MochiKit.Text.FormatPatternError.prototype = new MochiKit.Base.NamedError("MochiKit.Text.FormatPatternError"); +MochiKit.Text.FormatPatternError.constructor = MochiKit.Text.FormatPatternError; + +// +//XXX: Internet Explorer export fix +// +if (MochiKit.__export__) { + formatter = MochiKit.Text.formatter; + format = MochiKit.Text.format; + formatValue = MochiKit.Text.formatValue; +} + + +MochiKit.Base.nameFunctions(MochiKit.Text); +MochiKit.Base._exportSymbols(this, MochiKit.Text); |