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      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();
     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);
     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