Amebis/ZRCola
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<iostream> support for translation database added

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This commit is contained in:
Simon Rozman
2016-03-01 14:03:38 +01:00
parent 628c9b6884
commit cf49ef6fb7
3 changed files with 185 additions and 55 deletions
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74
lib/libZRCola/include/zrcola/common.h
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@@ -19,6 +19,8 @@
#pragma once
#include <stdex/idrec.h>
#include <istream>
#include <vector>
@@ -44,8 +46,7 @@
/// Database IDs
///
#define ZRCOLA_DB_ID ((ZRCola::recordid_t)0x0043525a)
#define ZRCOLA_DB_COMPOSITIONS_ID ((ZRCola::recordid_t)0x00000001)
#define ZRCOLA_DB_DECOMPOSITIONS_ID ((ZRCola::recordid_t)0x00000002)
#define ZRCOLA_DB_TRANSLATIONS_ID ((ZRCola::recordid_t)0x00000001)
namespace ZRCola {
@@ -53,19 +54,29 @@ namespace ZRCola {
typedef unsigned __int32 recordsize_t;
///
/// Translation database
///
class translation_db {
public:
#pragma pack(push)
#pragma pack(4)
///
/// Translation index
///
struct translation_index {
unsigned __int32 start; ///< Composed character offset
unsigned __int32 end; ///< Decomposed string end offset
};
///
/// Translation index
///
struct index {
unsigned __int32 start; ///< Composed character offset
unsigned __int32 end; ///< Decomposed string end offset
};
#pragma pack(pop)
std::vector<index> comp_index; ///< Composition index
std::vector<index> decomp_index; ///< Decomposition index
std::vector<wchar_t> data; ///< Transformation data
};
typedef ZRCOLA_API stdex::idrec::record<translation_db, recordid_t, recordsize_t, ZRCOLA_RECORD_ALIGN> translation_rec;
///
@@ -107,3 +118,44 @@ namespace ZRCola {
};
#pragma warning(pop)
const ZRCola::recordid_t stdex::idrec::record<ZRCola::translation_db, ZRCola::recordid_t, ZRCola::recordsize_t, ZRCOLA_RECORD_ALIGN>::id = ZRCOLA_DB_TRANSLATIONS_ID;
///
/// Reads translation database from a stream
///
/// \param[in] stream Input stream
/// \param[out] t_db Translation database
///
/// \returns The stream \p stream
///
inline std::istream& operator >>(std::istream& stream, ZRCola::translation_db &t_db)
{
unsigned __int32 count;
// Read index count.
stream.read((char*)&count, sizeof(count));
if (!stream.good()) return stream;
// Read composition index.
t_db.comp_index.resize(count);
stream.read((char*)t_db.comp_index.data(), sizeof(ZRCola::translation_db::index)*count);
if (!stream.good()) return stream;
// Read decomposition index.
t_db.decomp_index.resize(count);
stream.read((char*)t_db.decomp_index.data(), sizeof(ZRCola::translation_db::index)*count);
if (!stream.good()) return stream;
// Read data count.
stream.read((char*)&count, sizeof(count));
if (!stream.good()) return stream;
// Read data.
t_db.data.resize(count);
stream.read((char*)t_db.data.data(), sizeof(wchar_t)*count);
return stream;
}