1 files changed, 54 insertions, 0 deletions
diff --git a/dom/svg/SVGTransformListParser.h b/dom/svg/SVGTransformListParser.h
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+++ b/dom/svg/SVGTransformListParser.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef DOM_SVG_SVGTRANSFORMLISTPARSER_H_
+#define DOM_SVG_SVGTRANSFORMLISTPARSER_H_
+
+#include "mozilla/Attributes.h"
+#include "SVGDataParser.h"
+#include "nsTArray.h"
+
+////////////////////////////////////////////////////////////////////////
+// SVGTransformListParser: A simple recursive descent parser that builds
+// transform lists from transform attributes. The grammar for path data
+// can be found in SVG 1.1,  chapter 7.
+// http://www.w3.org/TR/SVG11/coords.html#TransformAttribute
+
+namespace mozilla {
+
+class SVGTransform;
+
+class SVGTransformListParser : public SVGDataParser {
+ public:
+  explicit SVGTransformListParser(const nsAString& aValue)
+      : SVGDataParser(aValue) {}
+
+  bool Parse();
+
+  const nsTArray<SVGTransform>& GetTransformList() const { return mTransforms; }
+
+ private:
+  // helpers
+  bool ParseArguments(float* aResult, uint32_t aMaxCount,
+                      uint32_t* aParsedCount);
+
+  bool ParseTransforms();
+
+  bool ParseTransform();
+
+  bool ParseTranslate();
+  bool ParseScale();
+  bool ParseRotate();
+  bool ParseSkewX();
+  bool ParseSkewY();
+  bool ParseMatrix();
+
+  FallibleTArray<SVGTransform> mTransforms;
+};
+
+}  // namespace mozilla
+
+#endif  // DOM_SVG_SVGTRANSFORMLISTPARSER_H_