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 
22 class SkSVGBase;
23 class SkSVGElement;
24 
25 class SkSVGParser : public SkXMLParser {
26 public:
27     SkSVGParser(SkXMLParserError* err = NULL);
28     virtual ~SkSVGParser();
_addAttribute(const char * attrName,const char * attrValue)29     void _addAttribute(const char* attrName, const char* attrValue) {
30         fXMLWriter.addAttribute(attrName, attrValue); }
_addAttribute(const char * attrName,SkString & attrValue)31     void _addAttribute(const char* attrName, SkString& attrValue) {
32         fXMLWriter.addAttribute(attrName, attrValue.c_str()); }
_addAttributeLen(const char * attrName,const char * attrValue,size_t len)33     void _addAttributeLen(const char* attrName, const char* attrValue, size_t len) {
34         fXMLWriter.addAttributeLen(attrName, attrValue, len); }
_endElement()35     void _endElement() { fXMLWriter.endElement(); }
36     int findAttribute(SkSVGBase* , const char* attrValue, size_t len, bool isPaint);
37 //    const char* getFinal();
getIDs()38     SkTDict<SkSVGElement*>& getIDs() { return fIDs; }
39     SkString& getPaintLast(SkSVGPaint::Field field);
_startElement(const char name[])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);
44 protected:
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);
51 private:
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