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- /* ***** BEGIN LICENSE BLOCK *****
- * Distributed under the BSD license:
- *
- * Copyright (c) 2010, Ajax.org B.V.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * * Neither the name of Ajax.org B.V. nor the
- * names of its contributors may be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * ***** END LICENSE BLOCK ***** */
- define(function(require, exports, module) {
- "use strict";
- var EditSession = require("../edit_session").EditSession;
- var TextLayer = require("../layer/text").Text;
- var baseStyles = require("../requirejs/text!./static.css");
- var config = require("../config");
- var dom = require("../lib/dom");
- var SimpleTextLayer = function() {
- this.config = {};
- };
- SimpleTextLayer.prototype = TextLayer.prototype;
- var highlight = function(el, opts, callback) {
- var m = el.className.match(/lang-(\w+)/);
- var mode = opts.mode || m && ("ace/mode/" + m[1]);
- if (!mode)
- return false;
- var theme = opts.theme || "ace/theme/textmate";
-
- var data = "";
- var nodes = [];
- if (el.firstElementChild) {
- var textLen = 0;
- for (var i = 0; i < el.childNodes.length; i++) {
- var ch = el.childNodes[i];
- if (ch.nodeType == 3) {
- textLen += ch.data.length;
- data += ch.data;
- } else {
- nodes.push(textLen, ch);
- }
- }
- } else {
- data = dom.getInnerText(el);
- if (opts.trim)
- data = data.trim();
- }
-
- highlight.render(data, mode, theme, opts.firstLineNumber, !opts.showGutter, function (highlighted) {
- dom.importCssString(highlighted.css, "ace_highlight");
- el.innerHTML = highlighted.html;
- var container = el.firstChild.firstChild;
- for (var i = 0; i < nodes.length; i += 2) {
- var pos = highlighted.session.doc.indexToPosition(nodes[i]);
- var node = nodes[i + 1];
- var lineEl = container.children[pos.row];
- lineEl && lineEl.appendChild(node);
- }
- callback && callback();
- });
- };
- /**
- * Transforms a given input code snippet into HTML using the given mode
- *
- * @param {string} input Code snippet
- * @param {string|mode} mode String specifying the mode to load such as
- * `ace/mode/javascript` or, a mode loaded from `/ace/mode`
- * (use 'ServerSideHiglighter.getMode').
- * @param {string|theme} theme String specifying the theme to load such as
- * `ace/theme/twilight` or, a theme loaded from `/ace/theme`.
- * @param {number} lineStart A number indicating the first line number. Defaults
- * to 1.
- * @param {boolean} disableGutter Specifies whether or not to disable the gutter.
- * `true` disables the gutter, `false` enables the gutter. Defaults to `false`.
- * @param {function} callback When specifying the mode or theme as a string,
- * this method has no return value and you must specify a callback function. The
- * callback will receive the rendered object containing the properties `html`
- * and `css`.
- * @returns {object} An object containing the properties `html` and `css`.
- */
- highlight.render = function(input, mode, theme, lineStart, disableGutter, callback) {
- var waiting = 1;
- var modeCache = EditSession.prototype.$modes;
- // if either the theme or the mode were specified as objects
- // then we need to lazily load them.
- if (typeof theme == "string") {
- waiting++;
- config.loadModule(['theme', theme], function(m) {
- theme = m;
- --waiting || done();
- });
- }
- // allow setting mode options e.h {path: "ace/mode/php", inline:true}
- var modeOptions;
- if (mode && typeof mode === "object" && !mode.getTokenizer) {
- modeOptions = mode;
- mode = modeOptions.path;
- }
- if (typeof mode == "string") {
- waiting++;
- config.loadModule(['mode', mode], function(m) {
- if (!modeCache[mode] || modeOptions)
- modeCache[mode] = new m.Mode(modeOptions);
- mode = modeCache[mode];
- --waiting || done();
- });
- }
- // loads or passes the specified mode module then calls renderer
- function done() {
- var result = highlight.renderSync(input, mode, theme, lineStart, disableGutter);
- return callback ? callback(result) : result;
- }
- return --waiting || done();
- };
- /**
- * Transforms a given input code snippet into HTML using the given mode
- * @param {string} input Code snippet
- * @param {mode} mode Mode loaded from /ace/mode (use 'ServerSideHiglighter.getMode')
- * @param {string} r Code snippet
- * @returns {object} An object containing: html, css
- */
- highlight.renderSync = function(input, mode, theme, lineStart, disableGutter) {
- lineStart = parseInt(lineStart || 1, 10);
- var session = new EditSession("");
- session.setUseWorker(false);
- session.setMode(mode);
- var textLayer = new SimpleTextLayer();
- textLayer.setSession(session);
- session.setValue(input);
- var stringBuilder = [];
- var length = session.getLength();
- for(var ix = 0; ix < length; ix++) {
- stringBuilder.push("<div class='ace_line'>");
- if (!disableGutter)
- stringBuilder.push("<span class='ace_gutter ace_gutter-cell' unselectable='on'>" + /*(ix + lineStart) + */ "</span>");
- textLayer.$renderLine(stringBuilder, ix, true, false);
- stringBuilder.push("\n</div>");
- }
- // let's prepare the whole html
- var html = "<div class='" + theme.cssClass + "'>" +
- "<div class='ace_static_highlight" + (disableGutter ? "" : " ace_show_gutter") +
- "' style='counter-reset:ace_line " + (lineStart - 1) + "'>" +
- stringBuilder.join("") +
- "</div>" +
- "</div>";
- textLayer.destroy();
- return {
- css: baseStyles + theme.cssText,
- html: html,
- session: session
- };
- };
- module.exports = highlight;
- module.exports.highlight =highlight;
- });
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