blob: 5fe9b5d4a9fd68c0c1451f7e35159a90a956fad9 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FPDFAPI_PARSER_FPDF_PARSER_UTILITY_H_
#define CORE_FPDFAPI_PARSER_FPDF_PARSER_UTILITY_H_
#include <ostream>
#include "core/fxcrt/fx_string.h"
#include "core/fxcrt/retain_ptr.h"
#include "third_party/base/optional.h"
class CPDF_Dictionary;
class CPDF_Object;
class IFX_SeekableReadStream;
// Use the accessors below instead of directly accessing PDF_CharType.
extern const char PDF_CharType[256];
inline bool PDFCharIsWhitespace(uint8_t c) {
return PDF_CharType[c] == 'W';
}
inline bool PDFCharIsNumeric(uint8_t c) {
return PDF_CharType[c] == 'N';
}
inline bool PDFCharIsDelimiter(uint8_t c) {
return PDF_CharType[c] == 'D';
}
inline bool PDFCharIsOther(uint8_t c) {
return PDF_CharType[c] == 'R';
}
inline bool PDFCharIsLineEnding(uint8_t c) {
return c == '\r' || c == '\n';
}
// On success, return a positive offset value to the PDF header. If the header
// cannot be found, or if there is an error reading from |pFile|, then return
// nullopt.
Optional<FX_FILESIZE> GetHeaderOffset(
const RetainPtr<IFX_SeekableReadStream>& pFile);
int32_t GetDirectInteger(const CPDF_Dictionary* pDict, const ByteString& key);
ByteString PDF_NameDecode(const ByteStringView& orig);
ByteString PDF_NameEncode(const ByteString& orig);
std::ostream& operator<<(std::ostream& buf, const CPDF_Object* pObj);
#endif // CORE_FPDFAPI_PARSER_FPDF_PARSER_UTILITY_H_
|
