293 lines
7.2 KiB
C++
293 lines
7.2 KiB
C++
/*
|
|
* Copyright (c) 2003-2007, John Wiegley. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* - Neither the name of New Artisans LLC nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef BINARY_H
|
|
#define BINARY_H
|
|
|
|
#include "parser.h"
|
|
|
|
namespace ledger {
|
|
|
|
class journal_t;
|
|
|
|
namespace binary {
|
|
|
|
template <typename T>
|
|
inline void read_number_nocheck(std::istream& in, T& num) {
|
|
in.read(reinterpret_cast<char *>(&num), sizeof(num));
|
|
}
|
|
|
|
template <typename T>
|
|
inline void read_number_nocheck(const char *& data, T& num) {
|
|
num = *reinterpret_cast<const T *>(data);
|
|
data += sizeof(T);
|
|
}
|
|
|
|
template <typename T>
|
|
inline T read_number_nocheck(std::istream& in) {
|
|
T num;
|
|
read_number_nocheck(in, num);
|
|
return num;
|
|
}
|
|
|
|
template <typename T>
|
|
inline T read_number_nocheck(const char *& data) {
|
|
T num;
|
|
read_number_nocheck(data, num);
|
|
return num;
|
|
}
|
|
|
|
#if DEBUG_LEVEL >= ALPHA
|
|
#define read_guard(in, id) \
|
|
if (read_number_nocheck<unsigned short>(in) != id) \
|
|
assert(false);
|
|
#else
|
|
#define read_guard(in, id)
|
|
#endif
|
|
|
|
template <typename T>
|
|
inline void read_number(std::istream& in, T& num) {
|
|
read_guard(in, 0x2003);
|
|
in.read(reinterpret_cast<char *>(&num), sizeof(num));
|
|
read_guard(in, 0x2004);
|
|
}
|
|
|
|
template <typename T>
|
|
inline void read_number(const char *& data, T& num) {
|
|
read_guard(data, 0x2003);
|
|
num = *reinterpret_cast<const T *>(data);
|
|
data += sizeof(T);
|
|
read_guard(data, 0x2004);
|
|
}
|
|
|
|
template <typename T>
|
|
inline T read_number(std::istream& in) {
|
|
T num;
|
|
read_number(in, num);
|
|
return num;
|
|
}
|
|
|
|
template <typename T>
|
|
inline T read_number(const char *& data) {
|
|
T num;
|
|
read_number(data, num);
|
|
return num;
|
|
}
|
|
|
|
void read_bool(std::istream& in, bool& num);
|
|
void read_bool(const char *& data, bool& num);
|
|
|
|
inline bool read_bool(std::istream& in) {
|
|
bool num;
|
|
read_bool(in, num);
|
|
return num;
|
|
}
|
|
|
|
inline bool read_bool(const char *& data) {
|
|
bool num;
|
|
read_bool(data, num);
|
|
return num;
|
|
}
|
|
|
|
template <typename T>
|
|
void read_long(std::istream& in, T& num)
|
|
{
|
|
read_guard(in, 0x2001);
|
|
|
|
unsigned char len;
|
|
read_number_nocheck(in, len);
|
|
|
|
num = 0;
|
|
unsigned char temp;
|
|
if (len > 3) {
|
|
read_number_nocheck(in, temp);
|
|
num |= static_cast<unsigned long>(temp) << 24;
|
|
}
|
|
if (len > 2) {
|
|
read_number_nocheck(in, temp);
|
|
num |= static_cast<unsigned long>(temp) << 16;
|
|
}
|
|
if (len > 1) {
|
|
read_number_nocheck(in, temp);
|
|
num |= static_cast<unsigned long>(temp) << 8;
|
|
}
|
|
|
|
read_number_nocheck(in, temp);
|
|
num |= static_cast<unsigned long>(temp);
|
|
|
|
read_guard(in, 0x2002);
|
|
}
|
|
|
|
template <typename T>
|
|
void read_long(const char *& data, T& num)
|
|
{
|
|
read_guard(data, 0x2001);
|
|
|
|
unsigned char len;
|
|
read_number_nocheck(data, len);
|
|
|
|
num = 0;
|
|
unsigned char temp;
|
|
if (len > 3) {
|
|
read_number_nocheck(data, temp);
|
|
num |= static_cast<unsigned long>(temp) << 24;
|
|
}
|
|
if (len > 2) {
|
|
read_number_nocheck(data, temp);
|
|
num |= static_cast<unsigned long>(temp) << 16;
|
|
}
|
|
if (len > 1) {
|
|
read_number_nocheck(data, temp);
|
|
num |= static_cast<unsigned long>(temp) << 8;
|
|
}
|
|
|
|
read_number_nocheck(data, temp);
|
|
num |= static_cast<unsigned long>(temp);
|
|
|
|
read_guard(data, 0x2002);
|
|
}
|
|
|
|
template <typename T>
|
|
inline T read_long(std::istream& in) {
|
|
T num;
|
|
read_long(in, num);
|
|
return num;
|
|
}
|
|
|
|
template <typename T>
|
|
inline T read_long(const char *& data) {
|
|
T num;
|
|
read_long(data, num);
|
|
return num;
|
|
}
|
|
|
|
void read_string(std::istream& in, string& str);
|
|
void read_string(const char *& data, string& str);
|
|
void read_string(const char *& data, string * str);
|
|
|
|
inline string read_string(std::istream& in) {
|
|
string temp;
|
|
read_string(in, temp);
|
|
return temp;
|
|
}
|
|
|
|
inline string read_string(const char *& data) {
|
|
string temp;
|
|
read_string(data, temp);
|
|
return temp;
|
|
}
|
|
|
|
void read_string(std::istream& in, optional<string>& str);
|
|
void read_string(const char *& data, optional<string>& str);
|
|
|
|
|
|
template <typename T>
|
|
inline void write_number_nocheck(std::ostream& out, T num) {
|
|
out.write(reinterpret_cast<char *>(&num), sizeof(num));
|
|
}
|
|
|
|
#if DEBUG_LEVEL >= ALPHA
|
|
#define write_guard(out, id) \
|
|
write_number_nocheck<unsigned short>(out, id)
|
|
#else
|
|
#define write_guard(in, id)
|
|
#endif
|
|
|
|
template <typename T>
|
|
inline void write_number(std::ostream& out, T num) {
|
|
write_guard(out, 0x2003);
|
|
out.write(reinterpret_cast<char *>(&num), sizeof(num));
|
|
write_guard(out, 0x2004);
|
|
}
|
|
|
|
void write_bool(std::ostream& out, bool num);
|
|
|
|
template <typename T>
|
|
void write_long(std::ostream& out, T num)
|
|
{
|
|
write_guard(out, 0x2001);
|
|
|
|
unsigned char len = 4;
|
|
if (static_cast<unsigned long>(num) < 0x00000100UL)
|
|
len = 1;
|
|
else if (static_cast<unsigned long>(num) < 0x00010000UL)
|
|
len = 2;
|
|
else if (static_cast<unsigned long>(num) < 0x01000000UL)
|
|
len = 3;
|
|
write_number_nocheck<unsigned char>(out, len);
|
|
|
|
unsigned char temp;
|
|
if (len > 3) {
|
|
temp = (static_cast<unsigned long>(num) & 0xFF000000UL) >> 24;
|
|
write_number_nocheck(out, temp);
|
|
}
|
|
if (len > 2) {
|
|
temp = (static_cast<unsigned long>(num) & 0x00FF0000UL) >> 16;
|
|
write_number_nocheck(out, temp);
|
|
}
|
|
if (len > 1) {
|
|
temp = (static_cast<unsigned long>(num) & 0x0000FF00UL) >> 8;
|
|
write_number_nocheck(out, temp);
|
|
}
|
|
|
|
temp = (static_cast<unsigned long>(num) & 0x000000FFUL);
|
|
write_number_nocheck(out, temp);
|
|
|
|
write_guard(out, 0x2002);
|
|
}
|
|
|
|
void write_string(std::ostream& out, const string& str);
|
|
void write_string(std::ostream& out, const optional<string>& str);
|
|
|
|
template <typename T>
|
|
inline void write_object(std::ostream& out, const T& journal) {
|
|
assert(false);
|
|
}
|
|
|
|
void write_journal(std::ostream& out, journal_t& journal);
|
|
|
|
} // namespace binary
|
|
|
|
class binary_parser_t : public parser_t
|
|
{
|
|
public:
|
|
virtual bool test(std::istream& in) const;
|
|
|
|
virtual unsigned int parse(std::istream& in,
|
|
session_t& session,
|
|
journal_t& journal,
|
|
account_t * master = NULL,
|
|
const path * original_file = NULL);
|
|
};
|
|
|
|
} // namespace ledger
|
|
|
|
#endif // BINARY_H
|