389 lines
11 KiB
C++
389 lines
11 KiB
C++
/*
|
|
Copyright 2015-2016 Amebis
|
|
|
|
This file is part of ZRCola.
|
|
|
|
ZRCola is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
ZRCola is distributed in the hope that it will be useful, but
|
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with ZRCola. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "common.h"
|
|
|
|
#include <stdex/idrec.h>
|
|
#include <istream>
|
|
#include <ostream>
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
#pragma warning(push)
|
|
#pragma warning(disable: 4200)
|
|
#pragma warning(disable: 4251)
|
|
#pragma warning(disable: 4512)
|
|
|
|
|
|
namespace ZRCola {
|
|
///
|
|
/// Language Character Database
|
|
///
|
|
class ZRCOLA_API langchar_db {
|
|
public:
|
|
#pragma pack(push)
|
|
#pragma pack(2)
|
|
///
|
|
/// Character data
|
|
///
|
|
struct langchar {
|
|
langid_t lang; ///< Language ID
|
|
unsigned __int16 chr_len; ///< \c chr length (in UTF-16 characters)
|
|
wchar_t chr[]; ///< Character
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
///
|
|
/// Character index
|
|
///
|
|
class indexChar : public index<unsigned __int16, unsigned __int32, langchar>
|
|
{
|
|
public:
|
|
///
|
|
/// Constructs the index
|
|
///
|
|
/// \param[in] h Reference to vector holding the data
|
|
///
|
|
indexChar(_In_ std::vector<unsigned __int16> &h) : index<unsigned __int16, unsigned __int32, langchar>(h) {}
|
|
|
|
///
|
|
/// Compares two characters by ID (for searching)
|
|
///
|
|
/// \param[in] a Pointer to first element
|
|
/// \param[in] b Pointer to second element
|
|
///
|
|
/// \returns
|
|
/// - <0 when a < b
|
|
/// - =0 when a == b
|
|
/// - >0 when a > b
|
|
///
|
|
virtual int compare(_In_ const langchar &a, _In_ const langchar &b) const
|
|
{
|
|
int r = ZRCola::CompareString(a.chr, a.chr + a.chr_len, b.chr, b.chr + b.chr_len);
|
|
if (r != 0) return r;
|
|
|
|
if (a.lang < b.lang) return -1;
|
|
else if (a.lang > b.lang) return 1;
|
|
|
|
return 0;
|
|
}
|
|
} idxChr; ///< Character index
|
|
|
|
|
|
#ifdef ZRCOLA_LANGCHAR_LANG_IDX
|
|
///
|
|
/// Character Language Index
|
|
///
|
|
class indexCharLang : public index<unsigned __int16, unsigned __int32, langchar>
|
|
{
|
|
public:
|
|
///
|
|
/// Constructs the index
|
|
///
|
|
/// \param[in] h Reference to vector holding the data
|
|
///
|
|
indexCharLang(_In_ std::vector<unsigned __int16> &h) : index<unsigned __int16, unsigned __int32, langchar>(h) {}
|
|
|
|
///
|
|
/// Compares two languages by ID (for searching)
|
|
///
|
|
/// \param[in] a Pointer to first element
|
|
/// \param[in] b Pointer to second element
|
|
///
|
|
/// \returns
|
|
/// - <0 when a < b
|
|
/// - =0 when a == b
|
|
/// - >0 when a > b
|
|
///
|
|
virtual int compare(_In_ const langchar &a, _In_ const langchar &b) const
|
|
{
|
|
if (a.lang < b.lang) return -1;
|
|
else if (a.lang > b.lang) return 1;
|
|
|
|
int r = ZRCola::CompareString(a.chr, a.chr + a.chr_len, b.chr, b.chr + b.chr_len);
|
|
if (r != 0) return r;
|
|
|
|
return 0;
|
|
}
|
|
} idxLng; ///< Character language index
|
|
#endif
|
|
|
|
std::vector<unsigned __int16> data; ///< Character data
|
|
|
|
public:
|
|
///
|
|
/// Constructs the database
|
|
///
|
|
inline langchar_db() : idxChr(data)
|
|
#ifdef ZRCOLA_LANGCHAR_LANG_IDX
|
|
, idxLng(data)
|
|
#endif
|
|
{}
|
|
|
|
///
|
|
/// Clears the database
|
|
///
|
|
inline void clear()
|
|
{
|
|
idxChr.clear();
|
|
#ifdef ZRCOLA_LANGCHAR_LANG_IDX
|
|
idxLng.clear();
|
|
#endif
|
|
data .clear();
|
|
}
|
|
|
|
///
|
|
/// Tests presence of character in the given language
|
|
///
|
|
/// \param[in] chr Pointer to character
|
|
/// \param[in] chr_end Pointer to character end
|
|
/// \param[in] lang Language
|
|
///
|
|
/// \returns
|
|
/// - \c true when character is used in language
|
|
/// - \c false otherwise
|
|
bool IsLocalCharacter(_In_ const wchar_t *chr, _In_ const wchar_t *chr_end, _In_ langid_t lang) const;
|
|
};
|
|
|
|
|
|
typedef ZRCOLA_API stdex::idrec::record<langchar_db, recordid_t, recordsize_t, ZRCOLA_RECORD_ALIGN> langchar_rec;
|
|
|
|
|
|
///
|
|
/// Language database
|
|
///
|
|
class ZRCOLA_API language_db {
|
|
public:
|
|
#pragma pack(push)
|
|
#pragma pack(2)
|
|
///
|
|
/// Language data
|
|
///
|
|
struct language {
|
|
langid_t id; ///< Language ID
|
|
unsigned __int16 name_len; ///< \c name length (in UTF-16 characters)
|
|
wchar_t name[]; ///< Language name
|
|
};
|
|
#pragma pack(pop)
|
|
|
|
///
|
|
/// Language index
|
|
///
|
|
class indexLang : public index<unsigned __int16, unsigned __int32, language>
|
|
{
|
|
public:
|
|
///
|
|
/// Constructs the index
|
|
///
|
|
/// \param[in] h Reference to vector holding the data
|
|
///
|
|
indexLang(_In_ std::vector<unsigned __int16> &h) : index<unsigned __int16, unsigned __int32, language>(h) {}
|
|
|
|
///
|
|
/// Compares two languages by ID (for searching)
|
|
///
|
|
/// \param[in] a Pointer to first element
|
|
/// \param[in] b Pointer to second element
|
|
///
|
|
/// \returns
|
|
/// - <0 when a < b
|
|
/// - =0 when a == b
|
|
/// - >0 when a > b
|
|
///
|
|
virtual int compare(_In_ const language &a, _In_ const language &b) const
|
|
{
|
|
if (a.id < b.id) return -1;
|
|
else if (a.id > b.id) return 1;
|
|
|
|
return 0;
|
|
}
|
|
} idxLng; ///< Language index
|
|
|
|
std::vector<unsigned __int16> data; ///< Language data
|
|
|
|
public:
|
|
///
|
|
/// Constructs the database
|
|
///
|
|
inline language_db() : idxLng(data) {}
|
|
|
|
///
|
|
/// Clears the database
|
|
///
|
|
inline void clear()
|
|
{
|
|
idxLng.clear();
|
|
data .clear();
|
|
}
|
|
};
|
|
|
|
|
|
typedef ZRCOLA_API stdex::idrec::record<language_db, recordid_t, recordsize_t, ZRCOLA_RECORD_ALIGN> language_rec;
|
|
};
|
|
|
|
|
|
const ZRCola::recordid_t stdex::idrec::record<ZRCola::langchar_db, ZRCola::recordid_t, ZRCola::recordsize_t, ZRCOLA_RECORD_ALIGN>::id = *(ZRCola::recordid_t*)"L-C";
|
|
const ZRCola::recordid_t stdex::idrec::record<ZRCola::language_db, ZRCola::recordid_t, ZRCola::recordsize_t, ZRCOLA_RECORD_ALIGN>::id = *(ZRCola::recordid_t*)"LNG";
|
|
|
|
|
|
///
|
|
/// Writes language character database to a stream
|
|
///
|
|
/// \param[in] stream Output stream
|
|
/// \param[in] db Language character database
|
|
///
|
|
/// \returns The stream \p stream
|
|
///
|
|
inline std::ostream& operator <<(_In_ std::ostream& stream, _In_ const ZRCola::langchar_db &db)
|
|
{
|
|
// Write character index.
|
|
if (stream.fail()) return stream;
|
|
stream << db.idxChr;
|
|
|
|
#ifdef ZRCOLA_LANGCHAR_LANG_IDX
|
|
// Write language index.
|
|
if (stream.fail()) return stream;
|
|
stream << db.idxLng;
|
|
#endif
|
|
|
|
// Write data count.
|
|
auto data_count = db.data.size();
|
|
#if defined(_WIN64) || defined(__x86_64__) || defined(__ppc64__)
|
|
// 4G check
|
|
if (data_count > 0xffffffff) {
|
|
stream.setstate(std::ios_base::failbit);
|
|
return stream;
|
|
}
|
|
#endif
|
|
if (stream.fail()) return stream;
|
|
unsigned __int32 count = (unsigned __int32)data_count;
|
|
stream.write((const char*)&count, sizeof(count));
|
|
|
|
// Write data.
|
|
if (stream.fail()) return stream;
|
|
stream.write((const char*)db.data.data(), sizeof(unsigned __int16)*count);
|
|
|
|
return stream;
|
|
}
|
|
|
|
|
|
///
|
|
/// Reads language character database from a stream
|
|
///
|
|
/// \param[in ] stream Input stream
|
|
/// \param[out] db Language character database
|
|
///
|
|
/// \returns The stream \p stream
|
|
///
|
|
inline std::istream& operator >>(_In_ std::istream& stream, _Out_ ZRCola::langchar_db &db)
|
|
{
|
|
// Read character index.
|
|
stream >> db.idxChr;
|
|
if (!stream.good()) return stream;
|
|
|
|
#ifdef ZRCOLA_LANGCHAR_LANG_IDX
|
|
// Read language index.
|
|
stream >> db.idxLng;
|
|
if (!stream.good()) return stream;
|
|
#endif
|
|
|
|
// Read data count.
|
|
unsigned __int32 count;
|
|
stream.read((char*)&count, sizeof(count));
|
|
if (!stream.good()) return stream;
|
|
|
|
if (count) {
|
|
// Read data.
|
|
db.data.resize(count);
|
|
stream.read((char*)db.data.data(), sizeof(unsigned __int16)*count);
|
|
} else
|
|
db.data.clear();
|
|
|
|
return stream;
|
|
}
|
|
|
|
|
|
///
|
|
/// Writes language database to a stream
|
|
///
|
|
/// \param[in] stream Output stream
|
|
/// \param[in] db Language database
|
|
///
|
|
/// \returns The stream \p stream
|
|
///
|
|
inline std::ostream& operator <<(_In_ std::ostream& stream, _In_ const ZRCola::language_db &db)
|
|
{
|
|
// Write language index.
|
|
if (stream.fail()) return stream;
|
|
stream << db.idxLng;
|
|
|
|
// Write data count.
|
|
auto data_count = db.data.size();
|
|
#if defined(_WIN64) || defined(__x86_64__) || defined(__ppc64__)
|
|
// 4G check
|
|
if (data_count > 0xffffffff) {
|
|
stream.setstate(std::ios_base::failbit);
|
|
return stream;
|
|
}
|
|
#endif
|
|
if (stream.fail()) return stream;
|
|
unsigned __int32 count = (unsigned __int32)data_count;
|
|
stream.write((const char*)&count, sizeof(count));
|
|
|
|
// Write data.
|
|
if (stream.fail()) return stream;
|
|
stream.write((const char*)db.data.data(), sizeof(unsigned __int16)*count);
|
|
|
|
return stream;
|
|
}
|
|
|
|
|
|
///
|
|
/// Reads language database from a stream
|
|
///
|
|
/// \param[in ] stream Input stream
|
|
/// \param[out] db Language database
|
|
///
|
|
/// \returns The stream \p stream
|
|
///
|
|
inline std::istream& operator >>(_In_ std::istream& stream, _Out_ ZRCola::language_db &db)
|
|
{
|
|
// Read language index.
|
|
stream >> db.idxLng;
|
|
if (!stream.good()) return stream;
|
|
|
|
// Read data count.
|
|
unsigned __int32 count;
|
|
stream.read((char*)&count, sizeof(count));
|
|
if (!stream.good()) return stream;
|
|
|
|
if (count) {
|
|
// Read data.
|
|
db.data.resize(count);
|
|
stream.read((char*)db.data.data(), sizeof(unsigned __int16)*count);
|
|
} else
|
|
db.data.clear();
|
|
|
|
return stream;
|
|
}
|
|
|
|
#pragma warning(pop)
|