336 lines
8.9 KiB
C++
336 lines
8.9 KiB
C++
/*
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Copyright 2015-2016 Amebis
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This file is part of ZRCola.
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ZRCola is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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ZRCola is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with ZRCola. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <zrcola/common.h>
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#include <atlbase.h>
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#include <adoint.h>
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#include <string>
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#include <vector>
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namespace ZRCola {
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///
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/// Source database
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///
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class DBSource
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{
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public:
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///
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/// Translation
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///
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class translation {
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public:
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wchar_t chr; ///< Composed character
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std::wstring str; ///< Decomposed string
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};
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///
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/// Key sequence
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///
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class keyseq {
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public:
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///
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/// Key code
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///
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struct keycode {
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wchar_t key; ///< Key
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bool shift; ///< Shift modifier
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bool ctrl; ///< Ctrl modifier
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bool alt; ///< Alt modifier
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};
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public:
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wchar_t chr; ///< Character
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std::vector<keycode> seq; ///< Key sequence
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};
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///
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/// Language
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///
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class language {
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public:
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ZRCola::langid_t id; ///< Language ID
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std::wstring name; ///< Language name
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};
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///
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/// Language Character
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///
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class langchar {
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public:
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wchar_t chr; ///> Character
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ZRCola::langid_t lang; ///< Language ID
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};
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public:
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DBSource();
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virtual ~DBSource();
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///
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/// Opens the database
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///
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/// \param[in] filename File name of the MDB database.
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///
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/// \returns
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/// - true when open succeeds
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/// - false otherwise
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///
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bool Open(LPCTSTR filename);
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///
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/// Logs errors in database connections
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///
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void LogErrors() const;
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///
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/// Is recordset at end
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///
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/// \param[out] rs Recordset with results
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///
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/// \returns
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/// - true when at end
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/// - false otherwise
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///
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static inline bool IsEOF(const ATL::CComPtr<ADORecordset>& rs)
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{
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VARIANT_BOOL eof = VARIANT_TRUE;
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return FAILED(rs->get_EOF(&eof)) || eof ? true : false;
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}
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///
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/// Gets number of records in a recordset
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///
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/// \param[out] rs Recordset with results
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///
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/// \returns Number of records
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///
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static inline size_t GetRecordsetCount(const ATL::CComPtr<ADORecordset>& rs)
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{
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ADO_LONGPTR count;
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return SUCCEEDED(rs->get_RecordCount(&count)) ? count : (size_t)-1;
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}
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///
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/// Gets boolean from ZRCola.zrc database
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///
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/// \param[in] f Data field
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/// \param[out] val Output boolean value
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///
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/// \returns
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/// - true when successful
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/// - false otherwise
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///
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bool GetValue(const ATL::CComPtr<ADOField>& f, bool& val) const;
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///
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/// Gets integer from ZRCola.zrc database
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///
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/// \param[in] f Data field
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/// \param[out] val Output integer value
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///
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/// \returns
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/// - true when successful
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/// - false otherwise
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///
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bool GetValue(const ATL::CComPtr<ADOField>& f, int& val) const;
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///
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/// Gets string from ZRCola.zrc database
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///
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/// \param[in] f Data field
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/// \param[out] val Output string value
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///
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/// \returns
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/// - true when successful
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/// - false otherwise
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///
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bool GetValue(const ATL::CComPtr<ADOField>& f, std::wstring& val) const;
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///
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/// Gets encoded Unicode character from ZRCola.zrc database
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///
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/// \param[in] f Data field
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/// \param[out] chr Output character
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///
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/// \returns
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/// - true when successful
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/// - false otherwise
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///
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bool GetUnicodeCharacter(const ATL::CComPtr<ADOField>& f, wchar_t& chr) const;
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///
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/// Gets encoded Unicode string from ZRCola.zrc database
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///
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/// \param[in] f Data field
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/// \param[out] str Output string
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///
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/// \returns
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/// - true when successful
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/// - false otherwise
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///
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bool GetUnicodeString(const ATL::CComPtr<ADOField>& f, std::wstring& str) const;
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///
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/// Gets encoded key from ZRCola.zrc database
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///
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/// \param[in] f Data field
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/// \param[out] kc Output key code
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///
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/// \returns
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/// - true when successful
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/// - false otherwise
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///
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bool GetKeyCode(const ATL::CComPtr<ADOField>& f, keyseq::keycode& kc) const;
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///
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/// Gets language ID from ZRCola.zrc database
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///
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/// \param[in] f Data field
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/// \param[out] lang Language
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///
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/// \returns
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/// - true when successful
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/// - false otherwise
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///
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bool GetLanguage(const ATL::CComPtr<ADOField>& f, langid_t& lang) const;
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///
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/// Returns character translations
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///
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/// \param[out] rs Recordset with results
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///
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/// \returns
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/// - true when query succeeds
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/// - false otherwise
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///
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bool SelectTranslations(ATL::CComPtr<ADORecordset>& rs) const;
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///
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/// Returns translation data
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///
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/// \param[in] rs Recordset with results
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/// \param[out] t Translation
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///
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/// \returns
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/// - true when succeeded
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/// - false otherwise
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///
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bool GetTranslation(const ATL::CComPtr<ADORecordset>& rs, translation& t) const;
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///
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/// Returns key sequences
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///
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/// \param[out] rs Recordset with results
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///
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/// \returns
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/// - true when query succeeds
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/// - false otherwise
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///
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bool SelectKeySequences(ATL::CComPtr<ADORecordset>& rs) const;
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///
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/// Returns key sequence data
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///
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/// \param[in] rs Recordset with results
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/// \param[out] ks Key sequence
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///
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/// \returns
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/// - true when succeeded
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/// - false otherwise
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///
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bool GetKeySequence(const ATL::CComPtr<ADORecordset>& rs, keyseq& ks) const;
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///
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/// Returns languages
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///
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/// \param[out] rs Recordset with results
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///
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/// \returns
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/// - true when query succeeds
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/// - false otherwise
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///
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bool SelectLanguages(ATL::CComPtr<ADORecordset>& rs) const;
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///
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/// Returns language data
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///
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/// \param[in] rs Recordset with results
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/// \param[out] lang Language
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///
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/// \returns
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/// - true when succeeded
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/// - false otherwise
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///
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bool GetLanguage(const ATL::CComPtr<ADORecordset>& rs, language& lang) const;
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///
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/// Returns language character
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///
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/// \param[out] rs Recordset with results
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///
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/// \returns
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/// - true when query succeeds
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/// - false otherwise
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///
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bool SelectLanguageCharacters(ATL::CComPtr<ADORecordset>& rs) const;
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///
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/// Returns language character data
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///
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/// \param[in] rs Recordset with results
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/// \param[out] lang Language character data
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///
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/// \returns
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/// - true when succeeded
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/// - false otherwise
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///
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bool GetLanguageCharacter(const ATL::CComPtr<ADORecordset>& rs, langchar& lc) const;
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protected:
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std::basic_string<TCHAR> m_filename; ///< Database filename
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ATL::CComPtr<ADOConnection> m_db; ///< Database
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_locale_t m_locale; ///< Database locale
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};
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};
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