/* * Copyright 2006 The Android Open Source Project * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ #ifndef SkDOM_DEFINED #define SkDOM_DEFINED #include "include/core/SkScalar.h" #include "include/core/SkTypes.h" #include "include/private/SkNoncopyable.h" #include "include/private/SkTemplates.h" #include "src/core/SkArenaAlloc.h" struct SkDOMNode; struct SkDOMAttr; class SkDOMParser; class SkStream; class SkXMLParser; class SkDOM : public SkNoncopyable { public: SkDOM(); ~SkDOM(); typedef SkDOMNode Node; typedef SkDOMAttr Attr; /** Returns null on failure */ const Node* build(SkStream&); const Node* copy(const SkDOM& dom, const Node* node); const Node* getRootNode() const; SkXMLParser* beginParsing(); const Node* finishParsing(); 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[] = nullptr) const; const Node* getNextSibling(const Node*, const char elem[] = nullptr) 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[] = nullptr) 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 SkDOM&, const Node*); const char* next(const char** value); private: const Attr* fAttr; const Attr* fStop; }; private: SkArenaAlloc fAlloc; Node* fRoot; std::unique_ptr fParser; typedef SkNoncopyable INHERITED; }; #endif