372 строки
14 KiB
JavaScript
372 строки
14 KiB
JavaScript
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/*
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* JavaScript Creole 1.0 Wiki Markup Parser
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* $Id: creole.js 14 2009-03-21 16:15:08Z ifomichev $
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*
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* Copyright (c) 2009 Ivan Fomichev
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*
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* Portions Copyright (c) 2007 Chris Purcell
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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if (!Parse) { var Parse = {}; }
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if (!Parse.Simple) { Parse.Simple = {}; }
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Parse.Simple.Base = function(grammar, options) {
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if (!arguments.length) { return; }
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this.grammar = grammar;
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this.grammar.root = new this.ruleConstructor(this.grammar.root);
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this.options = options;
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};
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Parse.Simple.Base.prototype = {
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ruleConstructor: null,
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grammar: null,
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options: null,
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parse: function(node, data, options) {
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if (options) {
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for (i in this.options) {
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if (typeof options[i] == 'undefined') { options[i] = this.options[i]; }
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}
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}
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else {
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options = this.options;
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}
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data = data.replace(/\r\n?/g, '\n');
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this.grammar.root.apply(node, data, options);
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if (options && options.forIE) { node.innerHTML = node.innerHTML.replace(/\r?\n/g, '\r\n'); }
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}
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};
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Parse.Simple.Base.prototype.constructor = Parse.Simple.Base;
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Parse.Simple.Base.Rule = function(params) {
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if (!arguments.length) { return; }
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for (var p in params) { this[p] = params[p]; }
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if (!this.children) { this.children = []; }
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};
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Parse.Simple.Base.prototype.ruleConstructor = Parse.Simple.Base.Rule;
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Parse.Simple.Base.Rule.prototype = {
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regex: null,
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capture: null,
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replaceRegex: null,
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replaceString: null,
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tag: null,
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attrs: null,
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children: null,
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match: function(data, options) {
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return data.match(this.regex);
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},
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build: function(node, r, options) {
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var data;
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if (this.capture !== null) {
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data = r[this.capture];
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}
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var target;
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if (this.tag) {
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target = document.createElement(this.tag);
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node.appendChild(target);
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}
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else { target = node; }
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if (data) {
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if (this.replaceRegex) {
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data = data.replace(this.replaceRegex, this.replaceString);
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}
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this.apply(target, data, options);
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}
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if (this.attrs) {
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for (var i in this.attrs) {
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target.setAttribute(i, this.attrs[i]);
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if (options && options.forIE && i == 'class') { target.className = this.attrs[i]; }
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}
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}
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return this;
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},
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apply: function(node, data, options) {
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var tail = '' + data;
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var matches = [];
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if (!this.fallback.apply) {
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this.fallback = new this.constructor(this.fallback);
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}
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while (true) {
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var best = false;
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var rule = false;
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for (var i = 0; i < this.children.length; i++) {
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if (typeof matches[i] == 'undefined') {
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if (!this.children[i].match) {
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this.children[i] = new this.constructor(this.children[i]);
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}
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matches[i] = this.children[i].match(tail, options);
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}
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if (matches[i] && (!best || best.index > matches[i].index)) {
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best = matches[i];
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rule = this.children[i];
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if (best.index == 0) { break; }
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}
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}
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var pos = best ? best.index : tail.length;
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if (pos > 0) {
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this.fallback.apply(node, tail.substring(0, pos), options);
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}
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if (!best) { break; }
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if (!rule.build) { rule = new this.constructor(rule); }
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rule.build(node, best, options);
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var chopped = best.index + best[0].length;
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tail = tail.substring(chopped);
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for (var i = 0; i < this.children.length; i++) {
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if (matches[i]) {
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if (matches[i].index >= chopped) {
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matches[i].index -= chopped;
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}
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else {
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matches[i] = void 0;
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}
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}
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}
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}
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return this;
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},
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fallback: {
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apply: function(node, data, options) {
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if (options && options.forIE) {
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// workaround for bad IE
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data = data.replace(/\n/g, ' \r');
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}
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node.appendChild(document.createTextNode(data));
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}
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}
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};
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Parse.Simple.Base.Rule.prototype.constructor = Parse.Simple.Base.Rule;
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Parse.Simple.Creole = function(options) {
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var rx = {};
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rx.link = '[^\\]|~\\n]*(?:(?:\\](?!\\])|~.)[^\\]|~\\n]*)*';
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rx.linkText = '[^\\]~\\n]*(?:(?:\\](?!\\])|~.)[^\\]~\\n]*)*';
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rx.uriPrefix = '\\b(?:(?:https?|ftp)://|mailto:)';
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rx.uri = rx.uriPrefix + rx.link;
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rx.rawUri = rx.uriPrefix + '\\S*[^\\s!"\',.:;?]';
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rx.interwikiPrefix = '[\\w.]+:';
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rx.interwikiLink = rx.interwikiPrefix + rx.link;
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rx.img = '\\{\\{((?!\\{)[^|}\\n]*(?:}(?!})[^|}\\n]*)*)' +
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(options && options.strict ? '' : '(?:') +
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'\\|([^}~\\n]*((}(?!})|~.)[^}~\\n]*)*)' +
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(options && options.strict ? '' : ')?') +
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'}}';
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var formatLink = function(link, format) {
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if (format instanceof Function) {
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return format(link);
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}
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format = format instanceof Array ? format : [ format ];
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if (typeof format[1] == 'undefined') { format[1] = ''; }
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return format[0] + link + format[1];
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};
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var g = {
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hr: { tag: 'hr', regex: /(^|\n)\s*----\s*(\n|$)/ },
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br: { tag: 'br', regex: /\\\\/ },
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preBlock: { tag: 'pre', capture: 2,
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regex: /(^|\n)\{\{\{\n((.*\n)*?)\}\}\}(\n|$)/,
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replaceRegex: /^ ([ \t]*\}\}\})/gm,
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replaceString: '$1' },
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tt: { tag: 'tt',
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regex: /\{\{\{(.*?\}\}\}+)/, capture: 1,
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replaceRegex: /\}\}\}$/, replaceString: '' },
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ulist: { tag: 'ul', capture: 0,
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regex: /(^|\n)([ \t]*\*[^*#].*(\n|$)([ \t]*[^\s*#].*(\n|$))*([ \t]*[*#]{2}.*(\n|$))*)+/ },
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olist: { tag: 'ol', capture: 0,
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regex: /(^|\n)([ \t]*#[^*#].*(\n|$)([ \t]*[^\s*#].*(\n|$))*([ \t]*[*#]{2}.*(\n|$))*)+/ },
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li: { tag: 'li', capture: 0,
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regex: /[ \t]*([*#]).+(\n[ \t]*[^*#\s].*)*(\n[ \t]*\1[*#].+)*/,
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replaceRegex: /(^|\n)[ \t]*[*#]/g, replaceString: '$1' },
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table: { tag: 'table', capture: 0,
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regex: /(^|\n)(\|.*?[ \t]*(\n|$))+/ },
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tr: { tag: 'tr', capture: 2, regex: /(^|\n)(\|.*?)\|?[ \t]*(\n|$)/ },
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th: { tag: 'th', regex: /\|+=([^|]*)/, capture: 1 },
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td: { tag: 'td', capture: 1,
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regex: '\\|+([^|~\\[{]*((~(.|(?=\\n)|$)|' +
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'\\[\\[' + rx.link + '(\\|' + rx.linkText + ')?\\]\\]' +
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(options && options.strict ? '' : '|' + rx.img) +
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'|[\\[{])[^|~]*)*)' },
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singleLine: { regex: /.+/, capture: 0 },
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paragraph: { tag: 'p', capture: 0,
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regex: /(^|\n)([ \t]*\S.*(\n|$))+/ },
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text: { capture: 0, regex: /(^|\n)([ \t]*[^\s].*(\n|$))+/ },
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strong: { tag: 'strong', capture: 1,
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regex: /\*\*([^*~]*((\*(?!\*)|~(.|(?=\n)|$))[^*~]*)*)(\*\*|\n|$)/ },
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em: { tag: 'em', capture: 1,
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regex: '\\/\\/(((?!' + rx.uriPrefix + ')[^\\/~])*' +
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'((' + rx.rawUri + '|\\/(?!\\/)|~(.|(?=\\n)|$))' +
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'((?!' + rx.uriPrefix + ')[^\\/~])*)*)(\\/\\/|\\n|$)' },
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img: { regex: rx.img,
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build: function(node, r, options) {
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var img = document.createElement('img');
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img.src = r[1];
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img.alt = r[2] === undefined
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? (options && options.defaultImageText ? options.defaultImageText : '')
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: r[2].replace(/~(.)/g, '$1');
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node.appendChild(img);
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} },
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namedUri: { regex: '\\[\\[(' + rx.uri + ')\\|(' + rx.linkText + ')\\]\\]',
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build: function(node, r, options) {
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var link = document.createElement('a');
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link.href = r[1];
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if (options && options.isPlainUri) {
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link.appendChild(document.createTextNode(r[2]));
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}
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else {
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this.apply(link, r[2], options);
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}
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node.appendChild(link);
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} },
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namedLink: { regex: '\\[\\[(' + rx.link + ')\\|(' + rx.linkText + ')\\]\\]',
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build: function(node, r, options) {
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var link = document.createElement('a');
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link.href = options && options.linkFormat
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? formatLink(r[1].replace(/~(.)/g, '$1'), options.linkFormat)
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: r[1].replace(/~(.)/g, '$1');
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this.apply(link, r[2], options);
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node.appendChild(link);
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} },
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unnamedUri: { regex: '\\[\\[(' + rx.uri + ')\\]\\]',
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build: 'dummy' },
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unnamedLink: { regex: '\\[\\[(' + rx.link + ')\\]\\]',
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build: 'dummy' },
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unnamedInterwikiLink: { regex: '\\[\\[(' + rx.interwikiLink + ')\\]\\]',
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build: 'dummy' },
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rawUri: { regex: '(' + rx.rawUri + ')',
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build: 'dummy' },
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escapedSequence: { regex: '~(' + rx.rawUri + '|.)', capture: 1,
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tag: 'span', attrs: { 'class': 'escaped' } },
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escapedSymbol: { regex: /~(.)/, capture: 1,
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tag: 'span', attrs: { 'class': 'escaped' } }
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};
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g.unnamedUri.build = g.rawUri.build = function(node, r, options) {
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if (!options) { options = {}; }
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options.isPlainUri = true;
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g.namedUri.build.call(this, node, Array(r[0], r[1], r[1]), options);
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};
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g.unnamedLink.build = function(node, r, options) {
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g.namedLink.build.call(this, node, Array(r[0], r[1], r[1]), options);
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};
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g.namedInterwikiLink = { regex: '\\[\\[(' + rx.interwikiLink + ')\\|(' + rx.linkText + ')\\]\\]',
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build: function(node, r, options) {
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var link = document.createElement('a');
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var m, f;
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if (options && options.interwiki) {
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m = r[1].match(/(.*?):(.*)/);
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f = options.interwiki[m[1]];
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}
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if (typeof f == 'undefined') {
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if (!g.namedLink.apply) {
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g.namedLink = new this.constructor(g.namedLink);
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}
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return g.namedLink.build.call(g.namedLink, node, r, options);
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}
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link.href = formatLink(m[2].replace(/~(.)/g, '$1'), f);
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this.apply(link, r[2], options);
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node.appendChild(link);
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}
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};
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g.unnamedInterwikiLink.build = function(node, r, options) {
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g.namedInterwikiLink.build.call(this, node, Array(r[0], r[1], r[1]), options);
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};
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g.namedUri.children = g.unnamedUri.children = g.rawUri.children =
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g.namedLink.children = g.unnamedLink.children =
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g.namedInterwikiLink.children = g.unnamedInterwikiLink.children =
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[ g.escapedSymbol, g.img ];
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for (var i = 1; i <= 6; i++) {
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g['h' + i] = { tag: 'h' + i, capture: 2,
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regex: '(^|\\n)[ \\t]*={' + i + '}[ \\t]' +
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'([^~]*?(~(.|(?=\\n)|$))*)[ \\t]*=*\\s*(\\n|$)'
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};
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}
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g.ulist.children = g.olist.children = [ g.li ];
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g.li.children = [ g.ulist, g.olist ];
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g.li.fallback = g.text;
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g.table.children = [ g.tr ];
|
||
|
|
g.tr.children = [ g.th, g.td ];
|
||
|
|
g.td.children = [ g.singleLine ];
|
||
|
|
g.th.children = [ g.singleLine ];
|
||
|
|
|
||
|
|
g.h1.children = g.h2.children = g.h3.children =
|
||
|
|
g.h4.children = g.h5.children = g.h6.children =
|
||
|
|
g.singleLine.children = g.paragraph.children =
|
||
|
|
g.text.children = g.strong.children = g.em.children =
|
||
|
|
[ g.escapedSequence, g.strong, g.em, g.br, g.rawUri,
|
||
|
|
g.namedUri, g.namedInterwikiLink, g.namedLink,
|
||
|
|
g.unnamedUri, g.unnamedInterwikiLink, g.unnamedLink,
|
||
|
|
g.tt, g.img ];
|
||
|
|
|
||
|
|
g.root = {
|
||
|
|
children: [ g.h1, g.h2, g.h3, g.h4, g.h5, g.h6,
|
||
|
|
g.hr, g.ulist, g.olist, g.preBlock, g.table ],
|
||
|
|
fallback: { children: [ g.paragraph ] }
|
||
|
|
};
|
||
|
|
|
||
|
|
Parse.Simple.Base.call(this, g, options);
|
||
|
|
};
|
||
|
|
|
||
|
|
Parse.Simple.Creole.prototype = new Parse.Simple.Base();
|
||
|
|
|
||
|
|
Parse.Simple.Creole.prototype.constructor = Parse.Simple.Creole;
|