Andrew Zambazos
130 lines
5.1 KiB
JavaScript
130 lines
5.1 KiB
JavaScript
/*
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* Copyright (C) 2013 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.SourceCodeTextRange = class SourceCodeTextRange extends WI.Object
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{
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constructor(sourceCode) /* textRange || startLocation, endLocation */
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{
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super();
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console.assert(sourceCode instanceof WI.SourceCode);
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console.assert(arguments.length === 2 || arguments.length === 3);
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this._sourceCode = sourceCode;
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if (arguments.length === 2) {
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var textRange = arguments[1];
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console.assert(textRange instanceof WI.TextRange);
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this._startLocation = sourceCode.createSourceCodeLocation(textRange.startLine, textRange.startColumn);
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this._endLocation = sourceCode.createSourceCodeLocation(textRange.endLine, textRange.endColumn);
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} else {
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console.assert(arguments[1] instanceof WI.SourceCodeLocation);
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console.assert(arguments[2] instanceof WI.SourceCodeLocation);
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this._startLocation = arguments[1];
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this._endLocation = arguments[2];
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}
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this._startLocation.addEventListener(WI.SourceCodeLocation.Event.LocationChanged, this._sourceCodeLocationChanged, this);
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this._endLocation.addEventListener(WI.SourceCodeLocation.Event.LocationChanged, this._sourceCodeLocationChanged, this);
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}
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// Public
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get sourceCode()
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{
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return this._sourceCode;
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}
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// Raw text range in the original source code.
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get textRange()
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{
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var startLine = this._startLocation.lineNumber;
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var startColumn = this._startLocation.columnNumber;
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var endLine = this._endLocation.lineNumber;
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var endColumn = this._endLocation.columnNumber;
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return new WI.TextRange(startLine, startColumn, endLine, endColumn);
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}
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// Formatted text range in the original source code if it is pretty printed.
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// This is the same as the raw text range if the source code has no formatter.
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get formattedTextRange()
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{
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var startLine = this._startLocation.formattedLineNumber;
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var startColumn = this._startLocation.formattedColumnNumber;
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var endLine = this._endLocation.formattedLineNumber;
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var endColumn = this._endLocation.formattedColumnNumber;
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return new WI.TextRange(startLine, startColumn, endLine, endColumn);
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}
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// Display values:
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// - Mapped resource and text range locations if the original source code has a
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// source map and both start and end locations are in the same mapped resource.
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// - Otherwise this is the formatted / raw text range.
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get displaySourceCode()
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{
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if (!this._startAndEndLocationsInSameMappedResource())
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return this._sourceCode;
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return this._startLocation.displaySourceCode;
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}
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get displayTextRange()
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{
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if (!this._startAndEndLocationsInSameMappedResource())
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return this.formattedTextRange;
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var startLine = this._startLocation.displayLineNumber;
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var startColumn = this._startLocation.displayColumnNumber;
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var endLine = this._endLocation.displayLineNumber;
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var endColumn = this._endLocation.displayColumnNumber;
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return new WI.TextRange(startLine, startColumn, endLine, endColumn);
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}
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get synthesizedTextValue()
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{
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// Must add 1 to the lineNumber since it starts counting at 0.
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return this._sourceCode.url + ":" + (this._startLocation.lineNumber + 1);
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}
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// Private
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_startAndEndLocationsInSameMappedResource()
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{
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return this._startLocation.hasMappedLocation() && this._endLocation.hasMappedLocation() && this._startLocation.displaySourceCode === this._endLocation.displaySourceCode;
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}
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_sourceCodeLocationChanged(event)
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{
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this.dispatchEventToListeners(WI.SourceCodeLocation.Event.RangeChanged);
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}
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};
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WI.SourceCodeTextRange.Event = {
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RangeChanged: "source-code-text-range-range-changed"
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};
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