libvisio_utils.h Source File documentation

libvisio_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 libvisio 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 __LIBVISIO_UTILS_H__
11 #define __LIBVISIO_UTILS_H__
12
13 #ifdef HAVE_CONFIG_H
14 #include "config.h"
15 #endif
16
17 #include <memory>
18
19 #include <boost/cstdint.hpp>
20
21 #include "VSDTypes.h"
22
23 #define VSD_EPSILON 1E-6
24 #define VSD_ALMOST_ZERO(m) (fabs(m) <= VSD_EPSILON)
25 #define VSD_APPROX_EQUAL(x, y) VSD_ALMOST_ZERO((x) - (y))
26
27 #include <librevenge/librevenge.h>
28 #include <librevenge-stream/librevenge-stream.h>
29 #include <unicode/utypes.h>
30
31 #if defined(HAVE_FUNC_ATTRIBUTE_FORMAT)
32 #define VSD_ATTRIBUTE_PRINTF(fmt, arg) __attribute__((format(printf, fmt, arg)))
33 #else
34 #define VSD_ATTRIBUTE_PRINTF(fmt, arg)
35 #endif
36
37 // do nothing with debug messages in a release compile
38 #ifdef DEBUG
39 #define VSD_DEBUG_MSG(M) libvisio::debugPrint M
40 #define VSD_DEBUG(M) M
41 #else
42 #define VSD_DEBUG_MSG(M)
43 #define VSD_DEBUG(M)
44 #endif
45
46 #define VSD_NUM_ELEMENTS(array) (sizeof(array)/sizeof((array)[0]))
47
48 namespace libvisio
49 {
50
51 typedef std::shared_ptr<librevenge::RVNGInputStream> RVNGInputStreamPtr_t;
52
53 struct VSDDummyDeleter
54 {
55 void operator()(void *) {}
56 };
57
58 uint8_t readU8(librevenge::RVNGInputStream *input);
59 uint16_t readU16(librevenge::RVNGInputStream *input);
60 int16_t readS16(librevenge::RVNGInputStream *input);
61 uint32_t readU32(librevenge::RVNGInputStream *input);
62 int32_t readS32(librevenge::RVNGInputStream *input);
63 uint64_t readU64(librevenge::RVNGInputStream *input);
64
65 double readDouble(librevenge::RVNGInputStream *input);
66
67 const librevenge::RVNGString getColourString(const Colour &c);
68
69 unsigned long getRemainingLength(librevenge::RVNGInputStream *input);
70
71 void appendUCS4(librevenge::RVNGString &text, UChar32 ucs4Character);
72
73 void debugPrint(const char *format, ...) VSD_ATTRIBUTE_PRINTF(1, 2);
74
75 class EndOfStreamException
76 {
77 };
78
79 class XmlParserException
80 {
81 };
82
83 class GenericException
84 {
85 };
86
87 } // namespace libvisio
88
89 #endif // __LIBVISIO_UTILS_H__
90 /* vim:set shiftwidth=2 softtabstop=2 expandtab: */
libvisio::getRemainingLength
unsigned long getRemainingLength(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:112
libvisio::EndOfStreamException
Definition: libvisio_utils.h:75
libvisio::appendUCS4
void appendUCS4(librevenge::RVNGString &text, UChar32 ucs4Character)
Definition: libvisio_utils.cpp:134
libvisio::getColourString
const librevenge::RVNGString getColourString(const Colour &c)
Definition: libvisio_utils.cpp:105
libvisio::readS16
int16_t readS16(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:50
libvisio::VSDDummyDeleter::operator()
void operator()(void *)
Definition: libvisio_utils.h:55
libvisio::readS32
int32_t readS32(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:71
libvisio::readDouble
double readDouble(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:92
VSD_ATTRIBUTE_PRINTF
#define VSD_ATTRIBUTE_PRINTF(fmt, arg)
Definition: libvisio_utils.h:34
libvisio::RVNGInputStreamPtr_t
std::shared_ptr< librevenge::RVNGInputStream > RVNGInputStreamPtr_t
Definition: libvisio_utils.h:51
VSDTypes.h
libvisio::XmlParserException
Definition: libvisio_utils.h:79
libvisio
Definition: libvisio_utils.h:48
libvisio::GenericException
Definition: libvisio_utils.h:83
libvisio::debugPrint
void debugPrint(const char *format,...) VSD_ATTRIBUTE_PRINTF(1
Definition: libvisio_utils.cpp:148
libvisio::readU32
uint32_t readU32(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:55
libvisio::readU8
uint8_t readU8(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:18
libvisio::readU16
uint16_t readU16(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:34
libvisio::VSDDummyDeleter
Definition: libvisio_utils.h:53
libvisio::readU64
uint64_t readU64(librevenge::RVNGInputStream *input)
Definition: libvisio_utils.cpp:76