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/*
* Copyright (C) 2011 Google Inc. 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 Google Inc. 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 THE COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*/
WebInspector.ScriptFormatter = function()
{
this._worker = new Worker("ScriptFormatterWorker.js");
this._worker.onmessage = this._didFormatContent.bind(this);
this._tasks = [];
}
WebInspector.ScriptFormatter.locationToPosition = function(lineEndings, location)
{
var position = location.lineNumber ? lineEndings[location.lineNumber - 1] + 1 : 0;
return position + location.columnNumber;
}
WebInspector.ScriptFormatter.lineToPosition = function(lineEndings, lineNumber)
{
return this.locationToPosition(lineEndings, { lineNumber: lineNumber, columnNumber: 0 });
}
WebInspector.ScriptFormatter.positionToLocation = function(lineEndings, position)
{
var location = {};
location.lineNumber = lineEndings.upperBound(position - 1);
if (!location.lineNumber)
location.columnNumber = position;
else
location.columnNumber = position - lineEndings[location.lineNumber - 1] - 1;
return location;
}
WebInspector.ScriptFormatter.prototype = {
formatContent: function(mimeType, content, callback)
{
content = content.replace(/\r\n?|[\n\u2028\u2029]/g, "\n").replace(/^\uFEFF/, '');
var data = { mimeType: mimeType, content: content };
this._tasks.push({ data: data, callback: callback });
this._worker.postMessage(data);
},
_didFormatContent: function(event)
{
var task = this._tasks.shift();
event.data.mapping.originalLineEndings = task.data.content.lineEndings();
task.callback(event.data.content, event.data.mapping);
}
}
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