blog/root/js/ace-editor/src-noconflict/ext-static_highlight.js

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2017-12-23 23:27:32 +00:00
ace.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() {
ace.require(["ace/ext/static_highlight"], function() {});
})();