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ext-static_highlight.js 4.9KB

    define("ace/ext/static_highlight",["require","exports","module","ace/edit_session","ace/layer/text","ace/config","ace/lib/dom"], function(require, exports, module) { "use strict"; var EditSession = require("../edit_session").EditSession; var TextLayer = require("../layer/text").Text; var baseStyles = ".ace_static_highlight {\ font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'source-code-pro', 'Droid Sans Mono', monospace;\ font-size: 12px;\ white-space: pre-wrap\ }\ .ace_static_highlight .ace_gutter {\ width: 2em;\ text-align: right;\ padding: 0 3px 0 0;\ margin-right: 3px;\ }\ .ace_static_highlight.ace_show_gutter .ace_line {\ padding-left: 2.6em;\ }\ .ace_static_highlight .ace_line { position: relative; }\ .ace_static_highlight .ace_gutter-cell {\ -moz-user-select: -moz-none;\ -khtml-user-select: none;\ -webkit-user-select: none;\ user-select: none;\ top: 0;\ bottom: 0;\ left: 0;\ position: absolute;\ }\ .ace_static_highlight .ace_gutter-cell:before {\ content: counter(ace_line, decimal);\ counter-increment: ace_line;\ }\ .ace_static_highlight {\ counter-reset: ace_line;\ }\ "; 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(); }); }; highlight.render = function(input, mode, theme, lineStart, disableGutter, callback) { var waiting = 1; var modeCache = EditSession.prototype.$modes; if (typeof theme == "string") { waiting++; config.loadModule(['theme', theme], function(m) { theme = m; --waiting || done(); }); } var modeOptions; if (mode && typeof mode === "object" && !mode.getTokenizer) { modeOptions = mode; mode = modeOptions.path; } if (typeof mode == "string") { waiting++; config.loadModule(['mode', mode], function(m) { if (!modeCache[mode] || modeOptions) modeCache[mode] = new m.Mode(modeOptions); mode = modeCache[mode]; --waiting || done(); }); } function done() { var result = highlight.renderSync(input, mode, theme, lineStart, disableGutter); return callback ? callback(result) : result; } return --waiting || done(); }; highlight.renderSync = function(input, mode, theme, lineStart, disableGutter) { lineStart = parseInt(lineStart || 1, 10); var session = new EditSession(""); session.setUseWorker(false); session.setMode(mode); var textLayer = new SimpleTextLayer(); textLayer.setSession(session); session.setValue(input); var stringBuilder = []; var length = session.getLength(); for(var ix = 0; ix < length; ix++) { stringBuilder.push("<div class='ace_line'>"); if (!disableGutter) stringBuilder.push("<span class='ace_gutter ace_gutter-cell' unselectable='on'>" + /*(ix + lineStart) + */ "</span>"); textLayer.$renderLine(stringBuilder, ix, true, false); stringBuilder.push("\n</div>"); } 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; }); (function() { window.require(["ace/ext/static_highlight"], function() {}); })();