libpagemaker_utils.h
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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /*
3 * This file is part of the libpagemaker project.
4 *
5 * This Source Code Form is subject to the terms of the Mozilla Public
6 * License, v. 2.0. If a copy of the MPL was not distributed with this
7 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 */
9
10 #ifndef __LIBPAGEMAKER_UTILS_H__
11 #define __LIBPAGEMAKER_UTILS_H__
12
13 #ifdef HAVE_CONFIG_H
14 #include "config.h"
15 #endif
16
17 #include <cmath>
18 #include <cstdio>
19 #include <memory>
20 #include <string>
21
22 #include <boost/cstdint.hpp>
23
24 #include <librevenge-stream/librevenge-stream.h>
25 #include <librevenge/librevenge.h>
26
27 #ifndef M_PI
28 #define M_PI 3.14159265358979323846
29 #endif
30
31 #if defined(HAVE_FUNC_ATTRIBUTE_FORMAT)
32 # define PMD_ATTRIBUTE_PRINTF(fmt, arg) __attribute__((__format__(__printf__, fmt, arg)))
33 #else
34 # define PMD_ATTRIBUTE_PRINTF(fmt, arg)
35 #endif
36
37 #if defined(HAVE_CLANG_ATTRIBUTE_FALLTHROUGH)
38 # define PMD_FALLTHROUGH [[clang::fallthrough]]
39 #elif defined(HAVE_GCC_ATTRIBUTE_FALLTHROUGH)
40 # define PMD_FALLTHROUGH __attribute__((fallthrough))
41 #else
42 # define PMD_FALLTHROUGH ((void) 0)
43 #endif
44
45 // do nothing with debug messages in a release compile
46 #ifdef DEBUG
47 namespace libpagemaker
48 {
49 void debugPrint(const char *format, ...) PMD_ATTRIBUTE_PRINTF(1, 2);
50 }
51 #define PMD_DEBUG_MSG(M) libpagemaker::debugPrint M
52 #define PMD_DEBUG(M) M
53 #define PMD_WARN_MSG(M) std::fprintf(stderr, "PageMaker [WARN] %15s:%d: ", __FILE__, __LINE__); std::fprintf(stderr, M)
54 #define PMD_ERR_MSG(M) std::fprintf(stderr, "PageMaker [ERROR] %15s:%d: ", __FILE__, __LINE__); std::fprintf(stderr, M)
55 #else
56 #define PMD_DEBUG_MSG(M)
57 #define PMD_DEBUG(M)
58 #define PMD_WARN_MSG(M)
59 #define PMD_ERR_MSG(M)
60 #endif
61
62 #define PMD_NUM_ELEMENTS(array) sizeof(array)/sizeof(array[0])
63
64 namespace libpagemaker
65 {
66
67 typedef librevenge::RVNGInputStream *RVNGInputStreamPtr;
68
69 struct PMDDummyDeleter
70 {
71 void operator()(void *) {}
72 };
73
74 uint8_t readU8(const RVNGInputStreamPtr &input, bool = false);
75 int8_t readS8(const RVNGInputStreamPtr &input, bool = false);
76 uint16_t readU16(const RVNGInputStreamPtr &input, bool bigEndian=false);
77 int16_t readS16(const RVNGInputStreamPtr &input, bool bigEndian=false);
78 uint32_t readU32(const RVNGInputStreamPtr &input, bool bigEndian=false);
79 int32_t readS32(const RVNGInputStreamPtr &input, bool bigEndian=false);
80 uint64_t readU64(const RVNGInputStreamPtr &input, bool bigEndian=false);
81 int64_t readS64(const RVNGInputStreamPtr &input, bool bigEndian=false);
82
83 const unsigned char *readNBytes(const RVNGInputStreamPtr &input, unsigned long numBytes);
84
85 void skip(const RVNGInputStreamPtr &input, unsigned long numBytes);
86
87 void seek(const RVNGInputStreamPtr &input, unsigned long pos);
88 void seekRelative(const RVNGInputStreamPtr &input, long pos);
89
90 unsigned long getLength(const RVNGInputStreamPtr &input);
91
92 struct PMDStreamException
93 {
94 virtual ~PMDStreamException() { }
95 };
96
97 struct EndOfStreamException : public PMDStreamException
98 {
99 EndOfStreamException();
100 };
101
102 struct GenericException
103 {
104 };
105
106 }
107
108 #endif // __LIBPAGEMAKER_UTILS_H__
109
110 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */
libpagemaker::readS8
int8_t readS8(const RVNGInputStreamPtr &input, bool)
Definition: libpagemaker_utils.cpp:53
libpagemaker::readS64
int64_t readS64(const RVNGInputStreamPtr &input, const bool bigEndian)
Definition: libpagemaker_utils.cpp:116
libpagemaker::skip
void skip(const RVNGInputStreamPtr &input, unsigned long numBytes)
Definition: libpagemaker_utils.cpp:134
libpagemaker::getLength
unsigned long getLength(const RVNGInputStreamPtr &input)
Definition: libpagemaker_utils.cpp:159
libpagemaker::readS32
int32_t readS32(const RVNGInputStreamPtr &input, const bool bigEndian)
Definition: libpagemaker_utils.cpp:95
libpagemaker::readU8
uint8_t readU8(const RVNGInputStreamPtr &input, bool)
Definition: libpagemaker_utils.cpp:41
libpagemaker::RVNGInputStreamPtr
librevenge::RVNGInputStream * RVNGInputStreamPtr
Definition: libpagemaker_utils.h:67
libpagemaker::seek
void seek(const RVNGInputStreamPtr &input, const unsigned long pos)
Definition: libpagemaker_utils.cpp:141
libpagemaker::GenericException
Definition: libpagemaker_utils.h:102
libpagemaker::EndOfStreamException
Definition: libpagemaker_utils.h:97
libpagemaker::PMDStreamException
Definition: libpagemaker_utils.h:92
PMD_ATTRIBUTE_PRINTF
#define PMD_ATTRIBUTE_PRINTF(fmt, arg)
Definition: libpagemaker_utils.h:34
libpagemaker::PMDDummyDeleter
Definition: libpagemaker_utils.h:69
libpagemaker::readS16
int16_t readS16(const RVNGInputStreamPtr &input, const bool bigEndian)
Definition: libpagemaker_utils.cpp:74
libpagemaker::PMDStreamException::~PMDStreamException
virtual ~PMDStreamException()
Definition: libpagemaker_utils.h:94
libpagemaker::seekRelative
void seekRelative(const RVNGInputStreamPtr &input, const long pos)
Definition: libpagemaker_utils.cpp:150
libpagemaker::readNBytes
const unsigned char * readNBytes(const RVNGInputStreamPtr &input, const unsigned long numBytes)
Definition: libpagemaker_utils.cpp:121
libpagemaker
Definition: geometry.h:22
libpagemaker::readU16
uint16_t readU16(const RVNGInputStreamPtr &input, bool bigEndian)
Definition: libpagemaker_utils.cpp:58
libpagemaker::readU64
uint64_t readU64(const RVNGInputStreamPtr &input, bool bigEndian)
Definition: libpagemaker_utils.cpp:100
libpagemaker::PMDDummyDeleter::operator()
void operator()(void *)
Definition: libpagemaker_utils.h:71
libpagemaker::readU32
uint32_t readU32(const RVNGInputStreamPtr &input, bool bigEndian)
Definition: libpagemaker_utils.cpp:79