Add skia to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@16 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 100 insertions, 0 deletions

diff --git a/skia/include/SkDOM.h b/skia/include/SkDOM.h
new file mode 100644
index 0000000..3cd184d
--- /dev/null
+++ b/skia/include/SkDOM.h
@@ -0,0 +1,100 @@
+/*
+ * Copyright (C) 2006-2008 Google Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkDOM_DEFINED
+#define SkDOM_DEFINED
+
+#include "SkChunkAlloc.h"
+#include "SkMath.h"
+#include "SkScalar.h"
+#include "SkTemplates.h"
+
+struct SkDOMNode;
+struct SkDOMAttr;
+
+class SkDOM {
+public:
+    SkDOM();
+    ~SkDOM();
+
+    typedef SkDOMNode Node;
+    typedef SkDOMAttr Attr;
+
+    /** Returns null on failure
+    */
+    const Node* build(const char doc[], size_t len);
+    const Node* copy(const SkDOM& dom, const Node* node);
+
+    const Node* getRootNode() const;
+
+    enum Type {
+        kElement_Type,
+        kText_Type
+    };
+    Type    getType(const Node*) const;
+
+    const char* getName(const Node*) const;
+    const Node* getFirstChild(const Node*, const char elem[] = NULL) const;
+    const Node* getNextSibling(const Node*, const char elem[] = NULL) const;
+
+    const char* findAttr(const Node*, const char attrName[]) const;
+    const Attr* getFirstAttr(const Node*) const;
+    const Attr* getNextAttr(const Node*, const Attr*) const;
+    const char* getAttrName(const Node*, const Attr*) const;
+    const char* getAttrValue(const Node*, const Attr*) const;
+    
+    // helpers for walking children
+    int countChildren(const Node* node, const char elem[] = NULL) const;
+
+    // helpers for calling SkParse
+    bool findS32(const Node*, const char name[], int32_t* value) const;
+    bool findScalars(const Node*, const char name[], SkScalar value[], int count) const;
+    bool findHex(const Node*, const char name[], uint32_t* value) const;
+    bool findBool(const Node*, const char name[], bool*) const;
+    int  findList(const Node*, const char name[], const char list[]) const;
+
+    bool findScalar(const Node* node, const char name[], SkScalar value[]) const
+    {
+        return this->findScalars(node, name, value, 1);
+    }
+
+    bool hasAttr(const Node*, const char name[], const char value[]) const;
+    bool hasS32(const Node*, const char name[], int32_t value) const;
+    bool hasScalar(const Node*, const char name[], SkScalar value) const;
+    bool hasHex(const Node*, const char name[], uint32_t value) const;
+    bool hasBool(const Node*, const char name[], bool value) const;
+
+    class AttrIter {
+    public:
+        AttrIter(const class SkDOM&, const Node*);
+        const char* next(const char** value);
+    private:
+        const Attr* fAttr;
+        const Attr* fStop;
+    };
+
+    SkDEBUGCODE(void dump(const Node* node = NULL, int tabLevel = 0) const;)
+    SkDEBUGCODE(static void UnitTest();)
+
+private:
+    SkChunkAlloc    fAlloc;
+    Node*           fRoot;
+    friend class AttrIter;
+    friend class SkDOMParser;
+};
+
+#endif
+