string.js rewrite.
This commit is contained in:
Tobie Langel
parent
160f85f518
commit
ba30188e5d
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@ -12,11 +12,18 @@ Object.extend(String, {
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}
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});
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Object.extend(String.prototype, {
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gsub: function(pattern, replacement) {
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Object.extend(String.prototype, (function() {
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function prepareReplacement(replacement) {
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if (Object.isFunction(replacement)) return replacement;
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var template = new Template(replacement);
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return function(match) { return template.evaluate(match) };
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}
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function gsub(pattern, replacement) {
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var result = '', source = this, match;
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replacement = arguments.callee.prepareReplacement(replacement);
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replacement = prepareReplacement(replacement);
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while (source.length > 0) {
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if (match = source.match(pattern)) {
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result += source.slice(0, match.index);
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@ -27,78 +34,78 @@ Object.extend(String.prototype, {
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}
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}
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return result;
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},
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sub: function(pattern, replacement, count) {
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replacement = this.gsub.prepareReplacement(replacement);
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}
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function sub(pattern, replacement, count) {
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replacement = prepareReplacement(replacement);
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count = Object.isUndefined(count) ? 1 : count;
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return this.gsub(pattern, function(match) {
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if (--count < 0) return match[0];
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return replacement(match);
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});
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},
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scan: function(pattern, iterator) {
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}
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function scan(pattern, iterator) {
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this.gsub(pattern, iterator);
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return String(this);
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},
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truncate: function(length, truncation) {
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}
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function truncate(length, truncation) {
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length = length || 30;
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truncation = Object.isUndefined(truncation) ? '...' : truncation;
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return this.length > length ?
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this.slice(0, length - truncation.length) + truncation : String(this);
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},
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}
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strip: function() {
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function strip() {
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return this.replace(/^\s+/, '').replace(/\s+$/, '');
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},
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stripTags: function() {
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return this.replace(/<\/?[^>]+>/gi, '');
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},
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}
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stripScripts: function() {
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function stripTags() {
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return this.replace(/<\/?[^>]+>/gi, '');
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}
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function stripScripts() {
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return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
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},
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extractScripts: function() {
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}
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function extractScripts() {
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var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
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var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
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return (this.match(matchAll) || []).map(function(scriptTag) {
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return (scriptTag.match(matchOne) || ['', ''])[1];
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});
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},
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evalScripts: function() {
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return this.extractScripts().map(function(script) { return eval(script) });
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},
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}
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escapeHTML: function() {
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function evalScripts() {
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return this.extractScripts().map(function(script) { return eval(script) });
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}
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function escapeHTML() {
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var self = arguments.callee;
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self.text.data = this;
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return self.div.innerHTML;
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},
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}
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unescapeHTML: function() {
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function unescapeHTML() {
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var div = new Element('div');
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div.innerHTML = this.stripTags();
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return div.childNodes[0] ? (div.childNodes.length > 1 ?
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$A(div.childNodes).inject('', function(memo, node) { return memo+node.nodeValue }) :
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div.childNodes[0].nodeValue) : '';
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},
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toQueryParams: function(separator) {
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}
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function toQueryParams(separator) {
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var match = this.strip().match(/([^?#]*)(#.*)?$/);
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if (!match) return { };
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return match[1].split(separator || '&').inject({ }, function(hash, pair) {
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if ((pair = pair.split('='))[0]) {
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var key = decodeURIComponent(pair.shift());
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var value = pair.length > 1 ? pair.join('=') : pair[0];
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if (value != undefined) value = decodeURIComponent(value);
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if (key in hash) {
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if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
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hash[key].push(value);
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@ -107,104 +114,138 @@ Object.extend(String.prototype, {
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}
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return hash;
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});
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},
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toArray: function() {
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return this.split('');
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},
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}
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succ: function() {
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function toArray() {
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return this.split('');
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}
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function succ() {
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return this.slice(0, this.length - 1) +
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String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
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},
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times: function(count) {
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}
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function times(count) {
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return count < 1 ? '' : new Array(count + 1).join(this);
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},
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camelize: function() {
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}
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function camelize() {
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var parts = this.split('-'), len = parts.length;
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if (len == 1) return parts[0];
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var camelized = this.charAt(0) == '-'
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? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
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: parts[0];
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for (var i = 1; i < len; i++)
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camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
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return camelized;
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},
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capitalize: function() {
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}
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function capitalize() {
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return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
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},
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underscore: function() {
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}
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function underscore() {
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return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
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},
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}
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dasherize: function() {
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function dasherize() {
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return this.gsub(/_/,'-');
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},
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}
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inspect: function(useDoubleQuotes) {
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function inspect(useDoubleQuotes) {
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var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
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var character = String.specialChar[match[0]];
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return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
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});
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if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
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return "'" + escapedString.replace(/'/g, '\\\'') + "'";
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},
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toJSON: function() {
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}
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function toJSON() {
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return this.inspect(true);
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},
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}
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unfilterJSON: function(filter) {
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function unfilterJSON(filter) {
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return this.sub(filter || Prototype.JSONFilter, '#{1}');
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},
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}
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isJSON: function() {
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function isJSON() {
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var str = this;
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if (str.blank()) return false;
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str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
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return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
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},
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evalJSON: function(sanitize) {
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}
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function evalJSON(sanitize) {
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var json = this.unfilterJSON();
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try {
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if (!sanitize || json.isJSON()) return eval('(' + json + ')');
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} catch (e) { }
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throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
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},
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include: function(pattern) {
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}
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function include(pattern) {
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return this.indexOf(pattern) > -1;
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},
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}
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startsWith: function(pattern) {
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function startsWith(pattern) {
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return this.indexOf(pattern) === 0;
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},
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}
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endsWith: function(pattern) {
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function endsWith(pattern) {
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var d = this.length - pattern.length;
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return d >= 0 && this.lastIndexOf(pattern) === d;
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},
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empty: function() {
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return this == '';
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},
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blank: function() {
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return /^\s*$/.test(this);
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},
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}
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interpolate: function(object, pattern) {
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function empty() {
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return this === '';
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}
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function blank() {
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return /^\s*$/.test(this);
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}
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function interpolate(object, pattern) {
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return new Template(this, pattern).evaluate(object);
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}
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});
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return {
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gsub: gsub,
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sub: sub,
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scan: scan,
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truncate: truncate,
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strip: strip,
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stripTags: stripTags,
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stripScripts: stripScripts,
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extractScripts: extractScripts,
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evalScripts: evalScripts,
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escapeHTML: escapeHTML,
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unescapeHTML: unescapeHTML,
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toQueryParams: toQueryParams,
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parseQuery: toQueryParams,
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toArray: toArray,
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succ: succ,
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times: times,
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camelize: camelize,
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capitalize: capitalize,
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underscore: underscore,
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dasherize: dasherize,
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inspect: inspect,
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toJSON: toJSON,
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unfilterJSON: unfilterJSON,
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isJSON: isJSON,
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evalJSON: evalJSON,
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include: include,
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startsWith: startsWith,
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endsWith: endsWith,
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empty: empty,
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blank: blank,
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interpolate: interpolate
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};
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})());
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if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
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escapeHTML: function() {
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@ -215,14 +256,6 @@ if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.proto
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}
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});
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String.prototype.gsub.prepareReplacement = function(replacement) {
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if (Object.isFunction(replacement)) return replacement;
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var template = new Template(replacement);
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return function(match) { return template.evaluate(match) };
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};
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String.prototype.parseQuery = String.prototype.toQueryParams;
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Object.extend(String.prototype.escapeHTML, {
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div: document.createElement('div'),
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text: document.createTextNode('')
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