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 "SkTDict.h"
15 #include "SkTDStack.h"
16 #include "SkSVGPaintState.h"
17 #include "SkSVGTypes.h"
18 #include "SkStream.h"
19 #include "SkString.h"
20 #include "SkXMLParser.h"
21 #include "SkXMLWriter.h"
22 
23 class SkSVGBase;
24 class SkSVGElement;
25 
26 class SkSVGParser : public SkXMLParser {
27 public:
28     SkSVGParser(SkXMLParserError* err = NULL);
29     virtual ~SkSVGParser();
_addAttribute(const char * attrName,const char * attrValue)30     void _addAttribute(const char* attrName, const char* attrValue) {
31         fXMLWriter.addAttribute(attrName, attrValue); }
_addAttribute(const char * attrName,SkString & attrValue)32     void _addAttribute(const char* attrName, SkString& attrValue) {
33         fXMLWriter.addAttribute(attrName, attrValue.c_str()); }
_addAttributeLen(const char * attrName,const char * attrValue,size_t len)34     void _addAttributeLen(const char* attrName, const char* attrValue, size_t len) {
35         fXMLWriter.addAttributeLen(attrName, attrValue, len); }
_endElement()36     void _endElement() { fXMLWriter.endElement(); }
37     int findAttribute(SkSVGBase* , const char* attrValue, size_t len, bool isPaint);
38 //    const char* getFinal();
getIDs()39     SkTDict<SkSVGElement*>& getIDs() { return fIDs; }
40     SkString& getPaintLast(SkSVGPaint::Field field);
_startElement(const char name[])41     void _startElement(const char name[]) { fXMLWriter.startElement(name); }
42     void translate(SkSVGElement*, bool isDef);
43     void translateMatrix(SkString& , SkString* id);
44     static void ConvertToArray(SkString& vals);
45 protected:
46     virtual bool onAddAttribute(const char name[], const char value[]);
47     bool onAddAttributeLen(const char name[], const char value[], size_t len);
48     virtual bool onEndElement(const char elem[]);
49     virtual bool onStartElement(const char elem[]);
50     bool onStartElementLen(const char elem[], size_t len);
51     virtual bool onText(const char text[], int len);
52 private:
53     bool isStrokeAndFill(SkSVGPaint** stroke, SkSVGPaint** fill);
54     static SkSVGElement* CreateElement(SkSVGTypes type, SkSVGElement* parent);
55     static void Delete(SkTDArray<SkSVGElement*>& fChildren);
56     static SkSVGTypes GetType(const char name[], size_t len);
57     SkSVGPaint* fHead;
58     SkSVGPaint fEmptyPaint;
59     SkSVGPaint fLastFlush;
60     SkString fLastColor;
61     SkMatrix fLastTransform;
62     SkTDArray<SkSVGElement*> fChildren;
63     SkTDict<SkSVGElement*> fIDs;
64     SkTDArray<SkSVGElement*> fParents;
65     SkDynamicMemoryWStream fStream;
66     SkXMLStreamWriter fXMLWriter;
67     SkSVGElement*   fCurrElement;
68     SkBool8 fInSVG;
69     SkBool8 fSuppressPaint;
70     friend class SkSVGPaint;
71     friend class SkSVGGradient;
72 };
73 
74 #endif // SkSVGParser_DEFINED
75