text: /*
   * 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.
   */
  /**
   * @interface
   */
  Sources.Formatter = function() {};
  
  /**
   * @param {!Common.ResourceType} contentType
   * @param {string} mimeType
   * @param {string} content
   * @param {function(string, !Sources.FormatterSourceMapping)} callback
   */
  Sources.Formatter.format = function(contentType, mimeType, content, callback) {
    if (contentType.isDocumentOrScriptOrStyleSheet())
      new Sources.ScriptFormatter(mimeType, content, callback);
    else
      new Sources.ScriptIdentityFormatter(mimeType, content, callback);
  };
  
  /**
   * @param {!Array<number>} lineEndings
   * @param {number} lineNumber
   * @param {number} columnNumber
   * @return {number}
   */
  Sources.Formatter.locationToPosition = function(lineEndings, lineNumber, columnNumber) {
    var position = lineNumber ? lineEndings[lineNumber - 1] + 1 : 0;
    return position + columnNumber;
  };
  
  /**
   * @param {!Array<number>} lineEndings
   * @param {number} position
   * @return {!Array<number>}
   */
  Sources.Formatter.positionToLocation = function(lineEndings, position) {
    var lineNumber = lineEndings.upperBound(position - 1);
    if (!lineNumber)
      var columnNumber = position;
    else
      var columnNumber = position - lineEndings[lineNumber - 1] - 1;
    return [lineNumber, columnNumber];
  };
  
  /**
   * @implements {Sources.Formatter}
   * @unrestricted
   */
  Sources.ScriptFormatter = class {
    /**
     * @param {string} mimeType
     * @param {string} content
     * @param {function(string, !Sources.FormatterSourceMapping)} callback
     */
    constructor(mimeType, content, callback) {
      content = content.replace(/\r\n?|[\n\u2028\u2029]/g, '\n').replace(/^\uFEFF/, '');
      this._callback = callback;
      this._originalContent = content;
  
      Common.formatterWorkerPool.format(mimeType, content, Common.moduleSetting('textEditorIndent').get())
          .then(this._didFormatContent.bind(this));
    }
  
    /**
     * @param {!Common.FormatterWorkerPool.FormatResult} formatResult
     */
    _didFormatContent(formatResult) {
      var sourceMapping = new Sources.FormatterSourceMappingImpl(
          this._originalContent.computeLineEndings(), formatResult.content.computeLineEndings(), formatResult.mapping);
      this._callback(formatResult.content, sourceMapping);
    }
  };
  
  /**
   * @implements {Sources.Formatter}
   * @unrestricted
   */
  Sources.ScriptIdentityFormatter = class {
    /**
     * @param {string} mimeType
     * @param {string} content
     * @param {function(string, !Sources.FormatterSourceMapping)} callback
     */
    constructor(mimeType, content, callback) {
      callback(content, new Sources.IdentityFormatterSourceMapping());
    }
  };
  
  /**
   * @interface
   */
  Sources.FormatterSourceMapping = function() {};
  
  Sources.FormatterSourceMapping.prototype = {
    /**
     * @param {number} lineNumber
     * @param {number=} columnNumber
     * @return {!Array.<number>}
     */
    originalToFormatted(lineNumber, columnNumber) {},
  
    /**
     * @param {number} lineNumber
     * @param {number=} columnNumber
     * @return {!Array.<number>}
     */
    formattedToOriginal(lineNumber, columnNumber) {}
  };
  
  /**
   * @implements {Sources.FormatterSourceMapping}
   * @unrestricted
   */
  Sources.IdentityFormatterSourceMapping = class {
    /**
     * @override
     * @param {number} lineNumber
     * @param {number=} columnNumber
     * @return {!Array.<number>}
     */
    originalToFormatted(lineNumber, columnNumber) {
      return [lineNumber, columnNumber || 0];
    }
  
    /**
     * @override
     * @param {number} lineNumber
     * @param {number=} columnNumber
     * @return {!Array.<number>}
     */
    formattedToOriginal(lineNumber, columnNumber) {
      return [lineNumber, columnNumber || 0];
    }
  };
  
  /**
   * @implements {Sources.FormatterSourceMapping}
   * @unrestricted
   */
  Sources.FormatterSourceMappingImpl = class {
    /**
     * @param {!Array.<number>} originalLineEndings
     * @param {!Array.<number>} formattedLineEndings
     * @param {!Common.FormatterWorkerPool.FormatMapping} mapping
     */
    constructor(originalLineEndings, formattedLineEndings, mapping) {
      this._originalLineEndings = originalLineEndings;
      this._formattedLineEndings = formattedLineEndings;
      this._mapping = mapping;
    }
  
    /**
     * @override
     * @param {number} lineNumber
     * @param {number=} columnNumber
     * @return {!Array.<number>}
     */
    originalToFormatted(lineNumber, columnNumber) {
      var originalPosition =
          Sources.Formatter.locationToPosition(this._originalLineEndings, lineNumber, columnNumber || 0);
      var formattedPosition =
          this._convertPosition(this._mapping.original, this._mapping.formatted, originalPosition || 0);
      return Sources.Formatter.positionToLocation(this._formattedLineEndings, formattedPosition);
    }
  
    /**
     * @override
     * @param {number} lineNumber
     * @param {number=} columnNumber
     * @return {!Array.<number>}
     */
    formattedToOriginal(lineNumber, columnNumber) {
      var formattedPosition =
          Sources.Formatter.locationToPosition(this._formattedLineEndings, lineNumber, columnNumber || 0);
      var originalPosition = this._convertPosition(this._mapping.formatted, this._mapping.original, formattedPosition);
      return Sources.Formatter.positionToLocation(this._originalLineEndings, originalPosition || 0);
    }
  
    /**
     * @param {!Array.<number>} positions1
     * @param {!Array.<number>} positions2
     * @param {number} position
     * @return {number}
     */
    _convertPosition(positions1, positions2, position) {
      var index = positions1.upperBound(position) - 1;
      var convertedPosition = positions2[index] + position - positions1[index];
      if (index < positions2.length - 1 && convertedPosition > positions2[index + 1])
        convertedPosition = positions2[index + 1];
      return convertedPosition;
    }
  };
  