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1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
6 | 6 |
7 #include "core/fpdfapi/fpdf_page/pageint.h" | 7 #include "core/fpdfapi/fpdf_page/pageint.h" |
8 | 8 |
9 #include <vector> | 9 #include <vector> |
10 | 10 |
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34 namespace { | 34 namespace { |
35 | 35 |
36 const char kPathOperatorSubpath = 'm'; | 36 const char kPathOperatorSubpath = 'm'; |
37 const char kPathOperatorLine = 'l'; | 37 const char kPathOperatorLine = 'l'; |
38 const char kPathOperatorCubicBezier1 = 'c'; | 38 const char kPathOperatorCubicBezier1 = 'c'; |
39 const char kPathOperatorCubicBezier2 = 'v'; | 39 const char kPathOperatorCubicBezier2 = 'v'; |
40 const char kPathOperatorCubicBezier3 = 'y'; | 40 const char kPathOperatorCubicBezier3 = 'y'; |
41 const char kPathOperatorClosePath = 'h'; | 41 const char kPathOperatorClosePath = 'h'; |
42 const char kPathOperatorRectangle[] = "re"; | 42 const char kPathOperatorRectangle[] = "re"; |
43 | 43 |
44 struct _FX_BSTR { | 44 struct SimpleString { |
45 const FX_CHAR* m_Ptr; | 45 const FX_CHAR* m_Ptr; |
46 int m_Size; | 46 size_t m_Size; |
47 }; | 47 }; |
48 #define _FX_BSTRC(str) \ | 48 #define MakeSimpleString(str) \ |
49 { str, sizeof(str) - 1 } | 49 { str, strlen(str) } |
50 | 50 |
51 struct PDF_AbbrPairs { | 51 struct PDF_AbbrPairs { |
Tom Sepez
2016/04/01 21:45:53
nit: singular (e.g AbbrPair).
dsinclair
2016/04/02 00:13:33
Done.
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52 _FX_BSTR full_name; | 52 SimpleString full_name; |
Tom Sepez
2016/04/01 21:45:53
Actually, its hard to justify this being anything
dsinclair
2016/04/02 00:13:33
Done.
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53 _FX_BSTR abbr; | 53 SimpleString abbr; |
54 }; | 54 }; |
55 | 55 |
56 const PDF_AbbrPairs PDF_InlineKeyAbbr[] = { | 56 const PDF_AbbrPairs PDF_InlineKeyAbbr[] = { |
57 {_FX_BSTRC("BitsPerComponent"), _FX_BSTRC("BPC")}, | 57 {MakeSimpleString("BitsPerComponent"), MakeSimpleString("BPC")}, |
Tom Sepez
2016/04/01 16:43:03
This theoretically generates static initializers s
dsinclair
2016/04/01 20:18:34
Ah, I failed to understand the comment in pdfium:1
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58 {_FX_BSTRC("ColorSpace"), _FX_BSTRC("CS")}, | 58 {MakeSimpleString("ColorSpace"), MakeSimpleString("CS")}, |
59 {_FX_BSTRC("Decode"), _FX_BSTRC("D")}, | 59 {MakeSimpleString("Decode"), MakeSimpleString("D")}, |
60 {_FX_BSTRC("DecodeParms"), _FX_BSTRC("DP")}, | 60 {MakeSimpleString("DecodeParms"), MakeSimpleString("DP")}, |
61 {_FX_BSTRC("Filter"), _FX_BSTRC("F")}, | 61 {MakeSimpleString("Filter"), MakeSimpleString("F")}, |
62 {_FX_BSTRC("Height"), _FX_BSTRC("H")}, | 62 {MakeSimpleString("Height"), MakeSimpleString("H")}, |
63 {_FX_BSTRC("ImageMask"), _FX_BSTRC("IM")}, | 63 {MakeSimpleString("ImageMask"), MakeSimpleString("IM")}, |
64 {_FX_BSTRC("Interpolate"), _FX_BSTRC("I")}, | 64 {MakeSimpleString("Interpolate"), MakeSimpleString("I")}, |
65 {_FX_BSTRC("Width"), _FX_BSTRC("W")}, | 65 {MakeSimpleString("Width"), MakeSimpleString("W")}, |
66 }; | 66 }; |
67 | 67 |
68 const PDF_AbbrPairs PDF_InlineValueAbbr[] = { | 68 const PDF_AbbrPairs PDF_InlineValueAbbr[] = { |
69 {_FX_BSTRC("DeviceGray"), _FX_BSTRC("G")}, | 69 {MakeSimpleString("DeviceGray"), MakeSimpleString("G")}, |
70 {_FX_BSTRC("DeviceRGB"), _FX_BSTRC("RGB")}, | 70 {MakeSimpleString("DeviceRGB"), MakeSimpleString("RGB")}, |
71 {_FX_BSTRC("DeviceCMYK"), _FX_BSTRC("CMYK")}, | 71 {MakeSimpleString("DeviceCMYK"), MakeSimpleString("CMYK")}, |
72 {_FX_BSTRC("Indexed"), _FX_BSTRC("I")}, | 72 {MakeSimpleString("Indexed"), MakeSimpleString("I")}, |
73 {_FX_BSTRC("ASCIIHexDecode"), _FX_BSTRC("AHx")}, | 73 {MakeSimpleString("ASCIIHexDecode"), MakeSimpleString("AHx")}, |
74 {_FX_BSTRC("ASCII85Decode"), _FX_BSTRC("A85")}, | 74 {MakeSimpleString("ASCII85Decode"), MakeSimpleString("A85")}, |
75 {_FX_BSTRC("LZWDecode"), _FX_BSTRC("LZW")}, | 75 {MakeSimpleString("LZWDecode"), MakeSimpleString("LZW")}, |
76 {_FX_BSTRC("FlateDecode"), _FX_BSTRC("Fl")}, | 76 {MakeSimpleString("FlateDecode"), MakeSimpleString("Fl")}, |
77 {_FX_BSTRC("RunLengthDecode"), _FX_BSTRC("RL")}, | 77 {MakeSimpleString("RunLengthDecode"), MakeSimpleString("RL")}, |
78 {_FX_BSTRC("CCITTFaxDecode"), _FX_BSTRC("CCF")}, | 78 {MakeSimpleString("CCITTFaxDecode"), MakeSimpleString("CCF")}, |
79 {_FX_BSTRC("DCTDecode"), _FX_BSTRC("DCT")}, | 79 {MakeSimpleString("DCTDecode"), MakeSimpleString("DCT")}, |
80 }; | 80 }; |
81 | 81 |
82 struct AbbrReplacementOp { | 82 struct AbbrReplacementOp { |
83 bool is_replace_key; | 83 bool is_replace_key; |
84 CFX_ByteString key; | 84 CFX_ByteString key; |
85 CFX_ByteStringC replacement; | 85 CFX_ByteStringC replacement; |
86 }; | 86 }; |
87 | 87 |
88 class CPDF_StreamParserAutoClearer { | 88 class CPDF_StreamParserAutoClearer { |
89 public: | 89 public: |
90 CPDF_StreamParserAutoClearer(CPDF_StreamParser** scoped_variable, | 90 CPDF_StreamParserAutoClearer(CPDF_StreamParser** scoped_variable, |
91 CPDF_StreamParser* new_parser) | 91 CPDF_StreamParser* new_parser) |
92 : scoped_variable_(scoped_variable) { | 92 : scoped_variable_(scoped_variable) { |
93 *scoped_variable_ = new_parser; | 93 *scoped_variable_ = new_parser; |
94 } | 94 } |
95 ~CPDF_StreamParserAutoClearer() { *scoped_variable_ = NULL; } | 95 ~CPDF_StreamParserAutoClearer() { *scoped_variable_ = NULL; } |
96 | 96 |
97 private: | 97 private: |
98 CPDF_StreamParser** scoped_variable_; | 98 CPDF_StreamParser** scoped_variable_; |
99 }; | 99 }; |
100 | 100 |
101 CFX_ByteStringC PDF_FindFullName(const PDF_AbbrPairs* table, | 101 CFX_ByteStringC PDF_FindFullName(const PDF_AbbrPairs* table, |
102 size_t count, | 102 size_t count, |
103 const CFX_ByteStringC& abbr) { | 103 const CFX_ByteStringC& abbr) { |
104 for (size_t i = 0; i < count; ++i) { | 104 for (size_t i = 0; i < count; ++i) { |
Tom Sepez
2016/04/01 16:43:03
std::find using cfx_ByteStringC's == operator shou
dsinclair
2016/04/02 00:13:33
Acknowledged.
| |
105 if (abbr.GetLength() != table[i].abbr.m_Size) | 105 if (abbr.GetLength() < 0 || |
106 static_cast<size_t>(abbr.GetLength()) != table[i].abbr.m_Size) | |
106 continue; | 107 continue; |
107 if (memcmp(abbr.GetPtr(), table[i].abbr.m_Ptr, abbr.GetLength())) | 108 if (memcmp(abbr.GetPtr(), table[i].abbr.m_Ptr, abbr.GetLength())) |
108 continue; | 109 continue; |
109 return CFX_ByteStringC(table[i].full_name.m_Ptr, table[i].full_name.m_Size); | 110 return CFX_ByteStringC(table[i].full_name.m_Ptr, table[i].full_name.m_Size); |
110 } | 111 } |
111 return CFX_ByteStringC(); | 112 return CFX_ByteStringC(); |
112 } | 113 } |
113 | 114 |
114 } // namespace | 115 } // namespace |
115 | 116 |
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1821 } else { | 1822 } else { |
1822 PDF_ReplaceAbbr(pElement); | 1823 PDF_ReplaceAbbr(pElement); |
1823 } | 1824 } |
1824 } | 1825 } |
1825 break; | 1826 break; |
1826 } | 1827 } |
1827 default: | 1828 default: |
1828 break; | 1829 break; |
1829 } | 1830 } |
1830 } | 1831 } |
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