core/include/fpdfapi/fpdf_parser.h - Issue 1778173002: Split apart the remainder of fpdf_render_render.cpp into per-class files.

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Issue 1778173002: Split apart the remainder of fpdf_render_render.cpp into per-class files. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: remove more stray includes. Created 4 years, 9 months ago

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1 // Copyright 2016 PDFium Authors. All rights reserved.

2 // Use of this source code is governed by a BSD-style license that can be

3 // found in the LICENSE file.

4

5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com

6

7 #ifndef CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_

8 #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_

9

10 #include <map>

11 #include <memory>

12 #include <set>

13

14 #include "core/include/fpdfapi/fpdf_objects.h"

15 #include "core/include/fxcrt/fx_basic.h"

16

17 class CFX_Font;

18 class CFX_Matrix;

19 class CPDF_ColorSpace;

20 class IPDF_CryptoHandler;

21 class CPDF_Document;

22 class CPDF_DocPageData;

23 class CPDF_DocRenderData;

24 class CPDF_Font;

25 class CPDF_FontEncoding;

26 class CPDF_IccProfile;

27 class CPDF_Image;

28 class CPDF_Object;

29 class CPDF_Parser;

30 class CPDF_Pattern;

31 class CPDF_StandardSecurityHandler;

32 class CPDF_SyntaxParser;

33 class IPDF_SecurityHandler;

34

35 #define FPDFPERM_PRINT 0x0004

36 #define FPDFPERM_MODIFY 0x0008

37 #define FPDFPERM_EXTRACT 0x0010

38 #define FPDFPERM_ANNOT_FORM 0x0020

39 #define FPDFPERM_FILL_FORM 0x0100

40 #define FPDFPERM_EXTRACT_ACCESS 0x0200

41 #define FPDFPERM_ASSEMBLE 0x0400

42 #define FPDFPERM_PRINT_HIGH 0x0800

43 #define FPDF_PAGE_MAX_NUM 0xFFFFF

44

45 // Indexed by 8-bit char code, contains unicode code points.

46 extern const FX_WORD PDFDocEncoding[256];

47

48

49 CFX_ByteString PDF_NameDecode(const CFX_ByteStringC& orig);

50 CFX_ByteString PDF_NameDecode(const CFX_ByteString& orig);

51 CFX_ByteString PDF_NameEncode(const CFX_ByteString& orig);

52 CFX_ByteString PDF_EncodeString(const CFX_ByteString& src,

53 FX_BOOL bHex = FALSE);

54 CFX_WideString PDF_DecodeText(const uint8_t* pData, FX_DWORD size);

55 CFX_WideString PDF_DecodeText(const CFX_ByteString& bstr);

56 CFX_ByteString PDF_EncodeText(const FX_WCHAR* pString, int len = -1);

57 CFX_ByteString PDF_EncodeText(const CFX_WideString& str);

58

59 class CFDF_Document : public CPDF_IndirectObjectHolder {

60 public:

61 static CFDF_Document* CreateNewDoc();

62 static CFDF_Document* ParseFile(IFX_FileRead* pFile,

63 FX_BOOL bOwnFile = FALSE);

64 static CFDF_Document* ParseMemory(const uint8_t* pData, FX_DWORD size);

65 ~CFDF_Document();

66

67 FX_BOOL WriteBuf(CFX_ByteTextBuf& buf) const;

68 CPDF_Dictionary* GetRoot() const { return m_pRootDict; }

69

70 protected:

71 CFDF_Document();

72 void ParseStream(IFX_FileRead* pFile, FX_BOOL bOwnFile);

73

74 CPDF_Dictionary* m_pRootDict;

75 IFX_FileRead* m_pFile;

76 FX_BOOL m_bOwnFile;

77 };

78

79 void FlateEncode(const uint8_t* src_buf,

80 FX_DWORD src_size,

81 uint8_t*& dest_buf,

82 FX_DWORD& dest_size);

83 void FlateEncode(const uint8_t* src_buf,

84 FX_DWORD src_size,

85 int predictor,

86 int Colors,

87 int BitsPerComponent,

88 int Columns,

89 uint8_t*& dest_buf,

90 FX_DWORD& dest_size);

91 FX_DWORD FlateDecode(const uint8_t* src_buf,

92 FX_DWORD src_size,

93 uint8_t*& dest_buf,

94 FX_DWORD& dest_size);

95 FX_DWORD RunLengthDecode(const uint8_t* src_buf,

96 FX_DWORD src_size,

97 uint8_t*& dest_buf,

98 FX_DWORD& dest_size);

99 bool IsSignatureDict(const CPDF_Dictionary* pDict);

100

101 class IFX_FileAvail {

102 public:

103 virtual ~IFX_FileAvail() {}

104 virtual FX_BOOL IsDataAvail(FX_FILESIZE offset, FX_DWORD size) = 0;

105 };

106 class IFX_DownloadHints {

107 public:

108 virtual ~IFX_DownloadHints() {}

109 virtual void AddSegment(FX_FILESIZE offset, FX_DWORD size) = 0;

110 };

111

112 class IPDF_DataAvail {

113 public:

114 // Must match PDF_DATA_* definitions in public/fpdf_dataavail.h, but cannot

115 // #include that header. fpdfsdk/src/fpdf_dataavail.cpp has static_asserts

116 // to make sure the two sets of values match.

117 enum DocAvailStatus {

118 DataError = -1, // PDF_DATA_ERROR

119 DataNotAvailable = 0, // PDF_DATA_NOTAVAIL

120 DataAvailable = 1, // PDF_DATA_AVAIL

121 };

122

123 // Must match PDF_LINEAR definitions in public/fpdf_dataavail.h, but cannot

124 // #include that header. fpdfsdk/src/fpdf_dataavail.cpp has static_asserts

125 // to make sure the two sets of values match.

126 enum DocLinearizationStatus {

127 LinearizationUnknown = -1, // PDF_LINEARIZATION_UNKNOWN

128 NotLinearized = 0, // PDF_NOT_LINEARIZED

129 Linearized = 1, // PDF_LINEARIZED

130 };

131

132 // Must match PDF_FORM_* definitions in public/fpdf_dataavail.h, but cannot

133 // #include that header. fpdfsdk/src/fpdf_dataavail.cpp has static_asserts

134 // to make sure the two sets of values match.

135 enum DocFormStatus {

136 FormError = -1, // PDF_FORM_ERROR

137 FormNotAvailable = 0, // PDF_FORM_NOTAVAIL

138 FormAvailable = 1, // PDF_FORM_AVAIL

139 FormNotExist = 2, // PDF_FORM_NOTEXIST

140 };

141

142 static IPDF_DataAvail* Create(IFX_FileAvail* pFileAvail,

143 IFX_FileRead* pFileRead);

144 virtual ~IPDF_DataAvail() {}

145

146 IFX_FileAvail* GetFileAvail() const { return m_pFileAvail; }

147 IFX_FileRead* GetFileRead() const { return m_pFileRead; }

148

149 virtual DocAvailStatus IsDocAvail(IFX_DownloadHints* pHints) = 0;

150 virtual void SetDocument(CPDF_Document* pDoc) = 0;

151 virtual DocAvailStatus IsPageAvail(int iPage, IFX_DownloadHints* pHints) = 0;

152 virtual FX_BOOL IsLinearized() = 0;

153 virtual DocFormStatus IsFormAvail(IFX_DownloadHints* pHints) = 0;

154 virtual DocLinearizationStatus IsLinearizedPDF() = 0;

155 virtual void GetLinearizedMainXRefInfo(FX_FILESIZE* pPos,

156 FX_DWORD* pSize) = 0;

157

158 protected:

159 IPDF_DataAvail(IFX_FileAvail* pFileAvail, IFX_FileRead* pFileRead);

160

161 IFX_FileAvail* m_pFileAvail;

162 IFX_FileRead* m_pFileRead;

163 };

164

165 enum PDF_PAGENODE_TYPE {

166 PDF_PAGENODE_UNKNOWN = 0,

167 PDF_PAGENODE_PAGE,

168 PDF_PAGENODE_PAGES,

169 PDF_PAGENODE_ARRAY,

170 };

171

172 class CPDF_PageNode {

173 public:

174 CPDF_PageNode();

175 ~CPDF_PageNode();

176

177 PDF_PAGENODE_TYPE m_type;

178 FX_DWORD m_dwPageNo;

179 CFX_ArrayTemplate<CPDF_PageNode*> m_childNode;

180 };

181

182 enum PDF_DATAAVAIL_STATUS {

183 PDF_DATAAVAIL_HEADER = 0,

184 PDF_DATAAVAIL_FIRSTPAGE,

185 PDF_DATAAVAIL_FIRSTPAGE_PREPARE,

186 PDF_DATAAVAIL_HINTTABLE,

187 PDF_DATAAVAIL_END,

188 PDF_DATAAVAIL_CROSSREF,

189 PDF_DATAAVAIL_CROSSREF_ITEM,

190 PDF_DATAAVAIL_CROSSREF_STREAM,

191 PDF_DATAAVAIL_TRAILER,

192 PDF_DATAAVAIL_LOADALLCROSSREF,

193 PDF_DATAAVAIL_ROOT,

194 PDF_DATAAVAIL_INFO,

195 PDF_DATAAVAIL_ACROFORM,

196 PDF_DATAAVAIL_ACROFORM_SUBOBJECT,

197 PDF_DATAAVAIL_PAGETREE,

198 PDF_DATAAVAIL_PAGE,

199 PDF_DATAAVAIL_PAGE_LATERLOAD,

200 PDF_DATAAVAIL_RESOURCES,

201 PDF_DATAAVAIL_DONE,

202 PDF_DATAAVAIL_ERROR,

203 PDF_DATAAVAIL_LOADALLFILE,

204 PDF_DATAAVAIL_TRAILER_APPEND

205 };

206

207 // Public for testing.

208 FX_DWORD A85Decode(const uint8_t* src_buf,

209 FX_DWORD src_size,

210 uint8_t*& dest_buf,

211 FX_DWORD& dest_size);

212 // Public for testing.

213 FX_DWORD HexDecode(const uint8_t* src_buf,

214 FX_DWORD src_size,

215 uint8_t*& dest_buf,

216 FX_DWORD& dest_size);

217 // Public for testing.

218 FX_DWORD FPDFAPI_FlateOrLZWDecode(FX_BOOL bLZW,

219 const uint8_t* src_buf,

220 FX_DWORD src_size,

221 CPDF_Dictionary* pParams,

222 FX_DWORD estimated_size,

223 uint8_t*& dest_buf,

224 FX_DWORD& dest_size);

225 FX_BOOL PDF_DataDecode(const uint8_t* src_buf,

226 FX_DWORD src_size,

227 const CPDF_Dictionary* pDict,

228 uint8_t*& dest_buf,

229 FX_DWORD& dest_size,

230 CFX_ByteString& ImageEncoding,

231 CPDF_Dictionary*& pImageParms,

232 FX_DWORD estimated_size,

233 FX_BOOL bImageAcc);

234

235 #endif // CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_

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