webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 113 insertions, 0 deletions

diff --git a/Source/WebInspectorUI/UserInterface/Models/TextRange.js b/Source/WebInspectorUI/UserInterface/Models/TextRange.js
new file mode 100644
index 000000000..64fe72147
--- /dev/null
+++ b/Source/WebInspectorUI/UserInterface/Models/TextRange.js
@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2013 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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.TextRange = class TextRange extends WebInspector.Object
+{
+    constructor(startLineOrStartOffset, startColumnOrEndOffset, endLine, endColumn)
+    {
+        super();
+
+        if (arguments.length === 4) {
+            console.assert(startLineOrStartOffset <= endLine);
+            console.assert(startLineOrStartOffset !== endLine || startColumnOrEndOffset <= endColumn);
+
+            this._startLine = typeof startLineOrStartOffset === "number" ? startLineOrStartOffset : NaN;
+            this._startColumn = typeof startColumnOrEndOffset === "number" ? startColumnOrEndOffset : NaN;
+            this._endLine = typeof endLine === "number" ? endLine : NaN;
+            this._endColumn = typeof endColumn === "number" ? endColumn : NaN;
+
+            this._startOffset = NaN;
+            this._endOffset = NaN;
+        } else if (arguments.length === 2) {
+            console.assert(startLineOrStartOffset <= startColumnOrEndOffset);
+
+            this._startOffset = typeof startLineOrStartOffset === "number" ? startLineOrStartOffset : NaN;
+            this._endOffset = typeof startColumnOrEndOffset === "number" ? startColumnOrEndOffset : NaN;
+
+            this._startLine = NaN;
+            this._startColumn = NaN;
+            this._endLine = NaN;
+            this._endColumn = NaN;
+        }
+    }
+
+    // Public
+
+    get startLine() { return this._startLine; }
+    get startColumn() { return this._startColumn; }
+    get endLine() { return this._endLine; }
+    get endColumn() { return this._endColumn; }
+    get startOffset() { return this._startOffset; }
+    get endOffset() { return this._endOffset; }
+
+    startPosition()
+    {
+        return new WebInspector.SourceCodePosition(this._startLine, this._startColumn);
+    }
+
+    endPosition()
+    {
+        return new WebInspector.SourceCodePosition(this._endLine, this._endColumn);
+    }
+
+    resolveOffsets(text)
+    {
+        console.assert(typeof text === "string");
+        if (typeof text !== "string")
+            return;
+
+        console.assert(!isNaN(this._startLine));
+        console.assert(!isNaN(this._startColumn));
+        console.assert(!isNaN(this._endLine));
+        console.assert(!isNaN(this._endColumn));
+        if (isNaN(this._startLine) || isNaN(this._startColumn) || isNaN(this._endLine) || isNaN(this._endColumn))
+            return;
+
+        var lastNewLineOffset = 0;
+        for (var i = 0; i < this._startLine; ++i)
+            lastNewLineOffset = text.indexOf("\n", lastNewLineOffset) + 1;
+
+        this._startOffset = lastNewLineOffset + this._startColumn;
+
+        for (var i = this._startLine; i < this._endLine; ++i)
+            lastNewLineOffset = text.indexOf("\n", lastNewLineOffset) + 1;
+
+        this._endOffset = lastNewLineOffset + this._endColumn;
+    }
+
+    contains(line, column)
+    {
+        console.assert(!isNaN(this._startLine), "TextRange needs line/column data");
+
+        if (line < this._startLine || line > this._endLine)
+            return false;
+        if (line === this._startLine && column < this._startColumn)
+            return false;
+        if (line === this._endLine && column > this._endColumn)
+            return false;
+
+        return true;
+    }
+};