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1 #ifndef EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFNATIVETOKENIZER_H_ | 1 #ifndef EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFNATIVETOKENIZER_H_ |
2 #define EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFNATIVETOKENIZER_H_ | 2 #define EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFNATIVETOKENIZER_H_ |
3 | 3 |
4 #include "SkTDArray.h" | 4 #include "SkTDArray.h" |
5 #include "SkTDict.h" | 5 #include "SkTDict.h" |
6 #include <math.h> | 6 #include <math.h> |
7 #include <string.h> | 7 #include <string.h> |
8 | 8 |
9 class SkPdfMapper; | 9 class SkPdfMapper; |
10 class SkPdfDictionary; | 10 class SkPdfDictionary; |
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95 SkPdfObject* allocObject(); | 95 SkPdfObject* allocObject(); |
96 | 96 |
97 // TODO(edisonn): free this memory in destructor, track the usage? | 97 // TODO(edisonn): free this memory in destructor, track the usage? |
98 void* alloc(size_t bytes) { | 98 void* alloc(size_t bytes) { |
99 void* data = malloc(bytes); | 99 void* data = malloc(bytes); |
100 fHandles.push(data); | 100 fHandles.push(data); |
101 return data; | 101 return data; |
102 } | 102 } |
103 }; | 103 }; |
104 | 104 |
105 unsigned char* nextObject(unsigned char* start, unsigned char* end, SkPdfObject*
token, SkPdfAllocator* allocator); | 105 class SkNativeParsedPDF; |
| 106 unsigned char* nextObject(unsigned char* start, unsigned char* end, SkPdfObject*
token, SkPdfAllocator* allocator, SkNativeParsedPDF* doc); |
106 | 107 |
107 enum SkPdfTokenType { | 108 enum SkPdfTokenType { |
108 kKeyword_TokenType, | 109 kKeyword_TokenType, |
109 kObject_TokenType, | 110 kObject_TokenType, |
110 }; | 111 }; |
111 | 112 |
112 struct PdfToken { | 113 struct PdfToken { |
113 const char* fKeyword; | 114 const char* fKeyword; |
114 size_t fKeywordLength; | 115 size_t fKeywordLength; |
115 SkPdfObject* fObject; | 116 SkPdfObject* fObject; |
116 SkPdfTokenType fType; | 117 SkPdfTokenType fType; |
117 | 118 |
118 PdfToken() : fKeyword(NULL), fKeywordLength(0), fObject(NULL) {} | 119 PdfToken() : fKeyword(NULL), fKeywordLength(0), fObject(NULL) {} |
119 }; | 120 }; |
120 | 121 |
121 class SkPdfNativeTokenizer { | 122 class SkPdfNativeTokenizer { |
122 public: | 123 public: |
123 SkPdfNativeTokenizer(SkPdfObject* objWithStream, const SkPdfMapper* mapper,
SkPdfAllocator* allocator); | 124 SkPdfNativeTokenizer(SkPdfObject* objWithStream, const SkPdfMapper* mapper,
SkPdfAllocator* allocator, SkNativeParsedPDF* doc); |
124 SkPdfNativeTokenizer(unsigned char* buffer, int len, const SkPdfMapper* mapp
er, SkPdfAllocator* allocator); | 125 SkPdfNativeTokenizer(unsigned char* buffer, int len, const SkPdfMapper* mapp
er, SkPdfAllocator* allocator, SkNativeParsedPDF* doc); |
125 | 126 |
126 virtual ~SkPdfNativeTokenizer(); | 127 virtual ~SkPdfNativeTokenizer(); |
127 | 128 |
128 bool readToken(PdfToken* token); | 129 bool readToken(PdfToken* token); |
129 bool readTokenCore(PdfToken* token); | 130 bool readTokenCore(PdfToken* token); |
130 void PutBack(PdfToken token); | 131 void PutBack(PdfToken token); |
131 | 132 |
132 private: | 133 private: |
| 134 SkNativeParsedPDF* fDoc; |
133 const SkPdfMapper* fMapper; | 135 const SkPdfMapper* fMapper; |
134 SkPdfAllocator* fAllocator; | 136 SkPdfAllocator* fAllocator; |
135 | 137 |
136 unsigned char* fUncompressedStreamStart; | 138 unsigned char* fUncompressedStreamStart; |
137 unsigned char* fUncompressedStream; | 139 unsigned char* fUncompressedStream; |
138 unsigned char* fUncompressedStreamEnd; | 140 unsigned char* fUncompressedStreamEnd; |
139 | 141 |
140 bool fEmpty; | 142 bool fEmpty; |
141 bool fHasPutBack; | 143 bool fHasPutBack; |
142 PdfToken fPutBack; | 144 PdfToken fPutBack; |
143 }; | 145 }; |
144 | 146 |
145 #endif // EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFNATIVETOKENIZER_H_ | 147 #endif // EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFNATIVETOKENIZER_H_ |
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