8e20c378d6
for two: those concerning annotated commodities (which will be covered in the t_commodity.cc tests) and reading of optimized amounts in the binary journal reader.
283 lines
7 KiB
C++
283 lines
7 KiB
C++
/*
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* Copyright (c) 2003-2007, John Wiegley. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* - Neither the name of New Artisans LLC nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _BINARY_H
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#define _BINARY_H
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#include "parser.h"
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namespace ledger {
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#if 0
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class binary_parser_t : public parser_t
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{
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public:
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virtual bool test(std::istream& in) const;
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virtual unsigned int parse(std::istream& in,
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journal_t * journal,
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account_t * master = NULL,
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const string * original_file = NULL);
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};
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#endif
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template <typename T>
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inline void read_binary_number_nocheck(std::istream& in, T& num) {
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in.read((char *)&num, sizeof(num));
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}
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template <typename T>
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inline void read_binary_number_nocheck(const char *& data, T& num) {
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num = *((T *) data);
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data += sizeof(T);
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}
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template <typename T>
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inline T read_binary_number_nocheck(std::istream& in) {
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T num;
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read_binary_number_nocheck(in, num);
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return num;
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}
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template <typename T>
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inline T read_binary_number_nocheck(const char *& data) {
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T num;
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read_binary_number_nocheck(data, num);
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return num;
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}
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#if DEBUG_LEVEL >= ALPHA
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#define read_binary_guard(in, id) \
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if (read_binary_number_nocheck<unsigned short>(in) != id) \
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assert(false);
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#else
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#define read_binary_guard(in, id)
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#endif
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template <typename T>
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inline void read_binary_number(std::istream& in, T& num) {
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read_binary_guard(in, 0x2003);
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in.read((char *)&num, sizeof(num));
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read_binary_guard(in, 0x2004);
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}
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template <typename T>
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inline void read_binary_number(const char *& data, T& num) {
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read_binary_guard(data, 0x2003);
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num = *((T *) data);
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data += sizeof(T);
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read_binary_guard(data, 0x2004);
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}
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template <typename T>
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inline T read_binary_number(std::istream& in) {
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T num;
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read_binary_number(in, num);
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return num;
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}
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template <typename T>
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inline T read_binary_number(const char *& data) {
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T num;
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read_binary_number(data, num);
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return num;
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}
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void read_binary_bool(std::istream& in, bool& num);
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void read_binary_bool(const char *& data, bool& num);
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inline bool read_binary_bool(std::istream& in) {
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bool num;
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read_binary_bool(in, num);
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return num;
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}
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inline bool read_binary_bool(const char *& data) {
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bool num;
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read_binary_bool(data, num);
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return num;
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}
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template <typename T>
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void read_binary_long(std::istream& in, T& num)
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{
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read_binary_guard(in, 0x2001);
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unsigned char len;
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read_binary_number_nocheck(in, len);
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num = 0;
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unsigned char temp;
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if (len > 3) {
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read_binary_number_nocheck(in, temp);
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num |= ((unsigned long)temp) << 24;
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}
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if (len > 2) {
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read_binary_number_nocheck(in, temp);
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num |= ((unsigned long)temp) << 16;
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}
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if (len > 1) {
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read_binary_number_nocheck(in, temp);
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num |= ((unsigned long)temp) << 8;
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}
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read_binary_number_nocheck(in, temp);
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num |= ((unsigned long)temp);
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read_binary_guard(in, 0x2002);
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}
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template <typename T>
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void read_binary_long(const char *& data, T& num)
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{
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read_binary_guard(data, 0x2001);
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unsigned char len;
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read_binary_number_nocheck(data, len);
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num = 0;
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unsigned char temp;
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if (len > 3) {
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read_binary_number_nocheck(data, temp);
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num |= ((unsigned long)temp) << 24;
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}
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if (len > 2) {
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read_binary_number_nocheck(data, temp);
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num |= ((unsigned long)temp) << 16;
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}
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if (len > 1) {
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read_binary_number_nocheck(data, temp);
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num |= ((unsigned long)temp) << 8;
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}
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read_binary_number_nocheck(data, temp);
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num |= ((unsigned long)temp);
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read_binary_guard(data, 0x2002);
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}
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template <typename T>
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inline T read_binary_long(std::istream& in) {
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T num;
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read_binary_long(in, num);
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return num;
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}
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template <typename T>
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inline T read_binary_long(const char *& data) {
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T num;
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read_binary_long(data, num);
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return num;
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}
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void read_binary_string(std::istream& in, string& str);
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void read_binary_string(const char *& data, string& str);
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void read_binary_string(const char *& data, string * str);
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inline string read_binary_string(std::istream& in) {
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string temp;
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read_binary_string(in, temp);
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return temp;
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}
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inline string read_binary_string(const char *& data) {
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string temp;
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read_binary_string(data, temp);
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return temp;
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}
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template <typename T>
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inline void write_binary_number_nocheck(std::ostream& out, T num) {
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out.write((char *)&num, sizeof(num));
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}
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#if DEBUG_LEVEL >= ALPHA
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#define write_binary_guard(out, id) \
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write_binary_number_nocheck<unsigned short>(out, id)
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#else
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#define write_binary_guard(in, id)
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#endif
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template <typename T>
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inline void write_binary_number(std::ostream& out, T num) {
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write_binary_guard(out, 0x2003);
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out.write((char *)&num, sizeof(num));
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write_binary_guard(out, 0x2004);
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}
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void write_binary_bool(std::ostream& out, bool num);
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template <typename T>
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void write_binary_long(std::ostream& out, T num)
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{
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write_binary_guard(out, 0x2001);
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unsigned char len = 4;
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if (((unsigned long)num) < 0x00000100UL)
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len = 1;
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else if (((unsigned long)num) < 0x00010000UL)
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len = 2;
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else if (((unsigned long)num) < 0x01000000UL)
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len = 3;
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write_binary_number_nocheck<unsigned char>(out, len);
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unsigned char temp;
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if (len > 3) {
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temp = (((unsigned long)num) & 0xFF000000UL) >> 24;
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write_binary_number_nocheck(out, temp);
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}
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if (len > 2) {
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temp = (((unsigned long)num) & 0x00FF0000UL) >> 16;
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write_binary_number_nocheck(out, temp);
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}
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if (len > 1) {
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temp = (((unsigned long)num) & 0x0000FF00UL) >> 8;
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write_binary_number_nocheck(out, temp);
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}
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temp = (((unsigned long)num) & 0x000000FFUL);
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write_binary_number_nocheck(out, temp);
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write_binary_guard(out, 0x2002);
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}
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void write_binary_string(std::ostream& out, const string& str);
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#if 0
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void write_binary_journal(std::ostream& out, journal_t * journal);
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#endif
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} // namespace ledger
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#endif // _BINARY_H
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