1
2/*
3 * Copyright 2006 The Android Open Source Project
4 *
5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file.
7 */
8
9
10#ifndef SkSVGParser_DEFINED
11#define SkSVGParser_DEFINED
12
13#include "SkMatrix.h"
14#include "../private/SkTDict.h"
15#include "SkSVGPaintState.h"
16#include "SkSVGTypes.h"
17#include "SkStream.h"
18#include "SkString.h"
19#include "SkXMLParser.h"
20#include "SkXMLWriter.h"
21
22class SkSVGBase;
23class SkSVGElement;
24
25class SkSVGParser : public SkXMLParser {
26public:
27    SkSVGParser(SkXMLParserError* err = NULL);
28    virtual ~SkSVGParser();
29    void _addAttribute(const char* attrName, const char* attrValue) {
30        fXMLWriter.addAttribute(attrName, attrValue); }
31    void _addAttribute(const char* attrName, SkString& attrValue) {
32        fXMLWriter.addAttribute(attrName, attrValue.c_str()); }
33    void _addAttributeLen(const char* attrName, const char* attrValue, size_t len) {
34        fXMLWriter.addAttributeLen(attrName, attrValue, len); }
35    void _endElement() { fXMLWriter.endElement(); }
36    int findAttribute(SkSVGBase* , const char* attrValue, size_t len, bool isPaint);
37//    const char* getFinal();
38    SkTDict<SkSVGElement*>& getIDs() { return fIDs; }
39    SkString& getPaintLast(SkSVGPaint::Field field);
40    void _startElement(const char name[]) { fXMLWriter.startElement(name); }
41    void translate(SkSVGElement*, bool isDef);
42    void translateMatrix(SkString& , SkString* id);
43    static void ConvertToArray(SkString& vals);
44protected:
45    virtual bool onAddAttribute(const char name[], const char value[]);
46    bool onAddAttributeLen(const char name[], const char value[], size_t len);
47    virtual bool onEndElement(const char elem[]);
48    virtual bool onStartElement(const char elem[]);
49    bool onStartElementLen(const char elem[], size_t len);
50    virtual bool onText(const char text[], int len);
51private:
52    bool isStrokeAndFill(SkSVGPaint** stroke, SkSVGPaint** fill);
53    static SkSVGElement* CreateElement(SkSVGTypes type, SkSVGElement* parent);
54    static void Delete(SkTDArray<SkSVGElement*>& fChildren);
55    static SkSVGTypes GetType(const char name[], size_t len);
56    SkSVGPaint* fHead;
57    SkSVGPaint fEmptyPaint;
58    SkSVGPaint fLastFlush;
59    SkString fLastColor;
60    SkMatrix fLastTransform;
61    SkTDArray<SkSVGElement*> fChildren;
62    SkTDict<SkSVGElement*> fIDs;
63    SkTDArray<SkSVGElement*> fParents;
64    SkDynamicMemoryWStream fStream;
65    SkXMLStreamWriter fXMLWriter;
66    SkSVGElement*   fCurrElement;
67    SkBool8 fInSVG;
68    SkBool8 fSuppressPaint;
69    friend class SkSVGPaint;
70    friend class SkSVGGradient;
71};
72
73#endif // SkSVGParser_DEFINED
74