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