Amebis/ZRCola
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ZRCola/ZRColaCompile/dbsource.cpp

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/*
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/>.
*/
#include "stdafx.h"
ZRCola::DBSource::DBSource()
{
}
ZRCola::DBSource::~DBSource()
{
if (m_db)
m_db->Close();
if (m_locale)
_free_locale(m_locale);
}
bool ZRCola::DBSource::Open(LPCTSTR filename)
{
wxASSERT_MSG(!m_db, wxT("database already open"));
// Create COM object.
HRESULT hr = ::CoCreateInstance(CLSID_CADOConnection, NULL, CLSCTX_ALL, IID_IADOConnection, (LPVOID*)&m_db);
if (SUCCEEDED(hr)) {
// Open the database.
std::wstring cn;
cn = L"Driver={Microsoft Access Driver (*.mdb)};";
cn += L"Dbq=";
cn += filename;
cn += L";Uid=;Pwd=;";
hr = m_db->Open(ATL::CComBSTR(cn.c_str()));
if (SUCCEEDED(hr)) {
// Database open and ready.
m_filename = filename;
m_locale = _create_locale(LC_ALL, "Slovenian_Slovenia.1250");
return true;
} else {
_ftprintf(stderr, wxT("%s: error ZCC0011: Could not open database (0x%x).\n"), (LPCTSTR)filename, hr);
LogErrors();
}
m_db.Release();
} else
_ftprintf(stderr, wxT("%s: error ZCC0012: Creating ADOConnection object failed (0x%x).\n"), (LPCTSTR)filename, hr);
return false;
}
void ZRCola::DBSource::LogErrors() const
{
wxASSERT_MSG(m_db, wxT("database does not exist"));
// Get array of errors.
ADOErrors *errors = NULL;
if (SUCCEEDED(m_db->get_Errors(&errors))) {
// Get number of errors.
long n = 0;
wxVERIFY(SUCCEEDED(errors->get_Count(&n)));
// Iterate the errors.
for (long i = 0; i < n; i++) {
ADOError *err = NULL;
if (SUCCEEDED(errors->get_Item(ATL::CComVariant(i), &err))) {
// Write error number and description to the log.
long num = 0;
wxVERIFY(SUCCEEDED(err->get_Number(&num)));
ATL::CComBSTR desc;
wxVERIFY(SUCCEEDED(err->get_Description(&desc)));
_ftprintf(stderr, wxT(" error ADO%x: %ls\n"), num, (BSTR)desc);
err->Release();
}
}
errors->Release();
}
}
bool ZRCola::DBSource::GetValue(const ATL::CComPtr<ADOField>& f, bool& val) const
{
wxASSERT_MSG(f, wxT("field is empty"));
ATL::CComVariant v;
wxVERIFY(SUCCEEDED(f->get_Value(&v)));
wxCHECK(SUCCEEDED(v.ChangeType(VT_BOOL)), false);
val = V_BOOL(&v) ? true : false;
return true;
}
bool ZRCola::DBSource::GetValue(const ATL::CComPtr<ADOField>& f, int& val) const
{
wxASSERT_MSG(f, wxT("field is empty"));
ATL::CComVariant v;
wxVERIFY(SUCCEEDED(f->get_Value(&v)));
wxCHECK(SUCCEEDED(v.ChangeType(VT_I4)), false);
val = V_I4(&v);
return true;
}
bool ZRCola::DBSource::GetValue(const ATL::CComPtr<ADOField>& f, std::wstring& val) const
{
wxASSERT_MSG(f, wxT("field is empty"));
ATL::CComVariant v;
wxVERIFY(SUCCEEDED(f->get_Value(&v)));
wxCHECK(SUCCEEDED(v.ChangeType(VT_BSTR)), false);
val.reserve(::SysStringLen(V_BSTR(&v)));
val = V_BSTR(&v);
return true;
}
bool ZRCola::DBSource::GetUnicodeCharacter(const ATL::CComPtr<ADOField>& f, wchar_t& chr) const
{
wxASSERT_MSG(f, wxT("field is empty"));
ATL::CComVariant v;
wxVERIFY(SUCCEEDED(f->get_Value(&v)));
wxCHECK(SUCCEEDED(v.ChangeType(VT_BSTR)), false);
// Parse the field. Must be exactly one Unicode code.
UINT i = 0, n = ::SysStringLen(V_BSTR(&v));
chr = 0;
for (; i < n && V_BSTR(&v)[i]; i++) {
if (L'0' <= V_BSTR(&v)[i] && V_BSTR(&v)[i] <= L'9') chr = chr*0x10 + (V_BSTR(&v)[i] - L'0');
else if (L'A' <= V_BSTR(&v)[i] && V_BSTR(&v)[i] <= L'F') chr = chr*0x10 + (V_BSTR(&v)[i] - L'A' + 10);
else if (L'a' <= V_BSTR(&v)[i] && V_BSTR(&v)[i] <= L'f') chr = chr*0x10 + (V_BSTR(&v)[i] - L'a' + 10);
else break;
}
if (i <= 0 && 4 < i) {
ATL::CComBSTR fieldname; wxVERIFY(SUCCEEDED(f->get_Name(&fieldname)));
_ftprintf(stderr, wxT("%s: error ZCC0030: Syntax error in \"%.*ls\" field (\"%.*ls\"). Unicode code must be one to four hexadecimal characters long.\n"), m_filename.c_str(), fieldname.Length(), (BSTR)fieldname, n, V_BSTR(&v));
return false;
} else if (i != n) {
ATL::CComBSTR fieldname; wxVERIFY(SUCCEEDED(f->get_Name(&fieldname)));
_ftprintf(stderr, wxT("%s: error ZCC0031: Syntax error in \"%.*ls\" field (\"%.*ls\"). Extra trailing characters.\n"), m_filename.c_str(), fieldname.Length(), (BSTR)fieldname, n, V_BSTR(&v));
return false;
}
return true;
}
bool ZRCola::DBSource::GetUnicodeString(const ATL::CComPtr<ADOField>& f, std::wstring& str) const
{
wxASSERT_MSG(f, wxT("field is empty"));
ATL::CComVariant v;
wxVERIFY(SUCCEEDED(f->get_Value(&v)));
wxCHECK(SUCCEEDED(v.ChangeType(VT_BSTR)), false);
// Parse the field. Must be "xxxx+xxxx+xxxx..." sequence.
str.clear();
for (UINT i = 0, n = ::SysStringLen(V_BSTR(&v)); i < n && V_BSTR(&v)[i];) {
// Parse Unicode code.
UINT j = 0;
wchar_t c = 0;
for (; i < n && V_BSTR(&v)[i]; i++, j++) {
if (L'0' <= V_BSTR(&v)[i] && V_BSTR(&v)[i] <= L'9') c = c*0x10 + (V_BSTR(&v)[i] - L'0');
else if (L'A' <= V_BSTR(&v)[i] && V_BSTR(&v)[i] <= L'F') c = c*0x10 + (V_BSTR(&v)[i] - L'A' + 10);
else if (L'a' <= V_BSTR(&v)[i] && V_BSTR(&v)[i] <= L'f') c = c*0x10 + (V_BSTR(&v)[i] - L'a' + 10);
else break;
}
if (j <= 0 || 4 < j) {
ATL::CComBSTR fieldname; wxVERIFY(SUCCEEDED(f->get_Name(&fieldname)));
_ftprintf(stderr, wxT("%s: error ZCC0020: Syntax error in \"%.*ls\" field (\"%.*ls\"). Unicode code must be one to four hexadecimal characters long.\n"), m_filename.c_str(), fieldname.Length(), (BSTR)fieldname, n, V_BSTR(&v));
return false;
}
str += c;
// Skip delimiter(s) and whitespace.
for (; i < n && V_BSTR(&v)[i] && (V_BSTR(&v)[i] == L'+' || _iswspace_l(V_BSTR(&v)[i], m_locale)); i++);
}
return true;
}
bool ZRCola::DBSource::GetKeyCode(const ATL::CComPtr<ADOField>& f, ZRCola::DBSource::keyseq::keycode& kc) const
{
wxASSERT_MSG(f, wxT("field is empty"));
ATL::CComVariant v;
wxVERIFY(SUCCEEDED(f->get_Value(&v)));
wxCHECK(SUCCEEDED(v.ChangeType(VT_BSTR)), false);
// Convert to uppercase.
_wcsupr_l(V_BSTR(&v), m_locale);
// Parse the field.
memset(&kc, 0, sizeof(kc));
for (UINT i = 0, n = ::SysStringLen(V_BSTR(&v)); i < n && V_BSTR(&v)[i];) {
// Parse key code.
if (i) {
// Check for "+" separator.
if (V_BSTR(&v)[i] != L'+') {
ATL::CComBSTR fieldname; wxVERIFY(SUCCEEDED(f->get_Name(&fieldname)));
_ftprintf(stderr, wxT("%s: error ZCC0070: Syntax error in \"%.*ls\" field (\"%.*ls\"). Key codes must be \"Ctrl+Alt+<key>\" formatted.\n"), m_filename.c_str(), fieldname.Length(), (BSTR)fieldname, n, V_BSTR(&v));
}
i++;
if (i >= n || !V_BSTR(&v)[i]) {
ATL::CComBSTR fieldname; wxVERIFY(SUCCEEDED(f->get_Name(&fieldname)));
_ftprintf(stderr, wxT("%s: error ZCC0071: Syntax error in \"%.*ls\" field (\"%.*ls\"). Trailing separator \"+\" found.\n"), m_filename.c_str(), fieldname.Length(), (BSTR)fieldname, n, V_BSTR(&v));
}
}
static const wchar_t str_shift[] = L"SHIFT", str_ctrl[] = L"CTRL", str_alt[] = L"ALT";
if (i + _countof(str_shift) - 1 <= n && wmemcmp(V_BSTR(&v) + i, str_shift, _countof(str_shift) - 1) == 0) {
kc.shift = true;
i += _countof(str_shift) - 1;
} else if (i + _countof(str_ctrl) - 1 <= n && wmemcmp(V_BSTR(&v) + i, str_ctrl, _countof(str_ctrl) - 1) == 0) {
kc.ctrl = true;
i += _countof(str_ctrl) - 1;
} else if (i + _countof(str_alt) - 1 <= n && wmemcmp(V_BSTR(&v) + i, str_alt, _countof(str_alt) - 1) == 0) {
kc.alt = true;
i += _countof(str_alt) - 1;
} else {
kc.key = V_BSTR(&v)[i];
i++;
}
}
return true;
}
bool ZRCola::DBSource::GetLanguage(const ATL::CComPtr<ADOField>& f, ZRCola::langid_t& lang) const
{
wxASSERT_MSG(f, wxT("field is empty"));
ATL::CComVariant v;
wxVERIFY(SUCCEEDED(f->get_Value(&v)));
wxCHECK(SUCCEEDED(v.ChangeType(VT_BSTR)), false);
// Convert to lowercase.
_wcslwr_l(V_BSTR(&v), m_locale);
// Parse the field.
size_t n = wcsnlen(V_BSTR(&v), ::SysStringLen(V_BSTR(&v)));
if (n != 3) {
ATL::CComBSTR fieldname; wxVERIFY(SUCCEEDED(f->get_Name(&fieldname)));
_ftprintf(stderr, wxT("%s: error ZCC0080: Syntax error in \"%.*ls\" field (\"%.*ls\"). Language ID must be exactly three (3) characters long.\n"), m_filename.c_str(), fieldname.Length(), (BSTR)fieldname, n, V_BSTR(&v));
return false;
}
for (size_t i = 0;; i++) {
if (i < sizeof(lang)) {
if (i < n) {
wchar_t c = V_BSTR(&v)[i];
if ((unsigned short)c > 0x7f) {
ATL::CComBSTR fieldname; wxVERIFY(SUCCEEDED(f->get_Name(&fieldname)));
_ftprintf(stderr, wxT("%s: error ZCC0081: Syntax error in \"%.*ls\" field (\"%.*ls\"). Language ID must contain ASCII characters only.\n"), m_filename.c_str(), fieldname.Length(), (BSTR)fieldname, n, V_BSTR(&v));
return false;
}
lang[i] = (char)c;
} else
lang[i] = 0;
} else
break;
}
return true;
}
bool ZRCola::DBSource::SelectTranslations(ATL::CComPtr<ADORecordset> &rs) const
{
// Create a new recordset.
if (rs) rs.Release();
wxCHECK(SUCCEEDED(::CoCreateInstance(CLSID_CADORecordset, NULL, CLSCTX_ALL, IID_IADORecordset, (LPVOID*)&rs)), false);
// Open it.
if (FAILED(rs->Open(ATL::CComVariant(L"SELECT [komb], [znak] FROM [VRS_ReplChar] WHERE [rang_komb]=1"), ATL::CComVariant(m_db), adOpenStatic, adLockReadOnly, adCmdText))) {
_ftprintf(stderr, wxT("%s: error ZCC0040: Error loading compositions from database. Please make sure the file is ZRCola.zrc compatible.\n"), m_filename.c_str());
LogErrors();
return false;
}
return true;
}
bool ZRCola::DBSource::GetTranslation(const ATL::CComPtr<ADORecordset>& rs, ZRCola::DBSource::translation& t) const
{
wxASSERT_MSG(rs, wxT("recordset is empty"));
ATL::CComPtr<ADOFields> flds;
wxVERIFY(SUCCEEDED(rs->get_Fields(&flds)));
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"komb"), &f)));
wxCHECK(GetUnicodeString(f, t.str), false);
}
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"znak"), &f)));
wxCHECK(GetUnicodeCharacter(f, t.chr), false);
}
return true;
}
bool ZRCola::DBSource::SelectKeySequences(ATL::CComPtr<ADORecordset> &rs) const
{
// Create a new recordset.
if (rs) rs.Release();
wxCHECK(SUCCEEDED(::CoCreateInstance(CLSID_CADORecordset, NULL, CLSCTX_ALL, IID_IADORecordset, (LPVOID*)&rs)), false);
// Open it.
if (FAILED(rs->Open(ATL::CComVariant(L"SELECT DISTINCT [VRS_KeyCodes].[Znak], [VRS_CharGroup].[Name] AS [CharGroup], [VRS_KeyCodes].[KeyCode], [VRS_KeyCodes].[Shift] FROM [VRS_KeyCodes] LEFT JOIN [VRS_CharGroup] ON [VRS_CharGroup].[CharGroup]=[VRS_KeyCodes].[CharGroup]"), ATL::CComVariant(m_db), adOpenStatic, adLockReadOnly, adCmdText))) {
_ftprintf(stderr, wxT("%s: error ZCC0050: Error loading key sequences from database. Please make sure the file is ZRCola.zrc compatible.\n"), m_filename.c_str());
LogErrors();
return false;
}
return true;
}
bool ZRCola::DBSource::GetKeySequence(const ATL::CComPtr<ADORecordset>& rs, ZRCola::DBSource::keyseq& ks) const
{
wxASSERT_MSG(rs, wxT("recordset is empty"));
ATL::CComPtr<ADOFields> flds;
wxVERIFY(SUCCEEDED(rs->get_Fields(&flds)));
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"Znak"), &f)));
wxCHECK(GetUnicodeCharacter(f, ks.chr), false);
}
keyseq::keycode kc1;
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"CharGroup"), &f)));
wxCHECK(GetKeyCode(f, kc1), false);
}
int keycode;
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"KeyCode"), &f)));
wxCHECK(GetValue(f, keycode), false);
}
bool shift;
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"Shift"), &f)));
wxCHECK(GetValue(f, shift), false);
}
ks.seq.clear();
if (kc1.key) {
// First key in the sequence is complete.
ks.seq.push_back(kc1);
keyseq::keycode kc2 = { keycode, shift };
ks.seq.push_back(kc2);
} else {
// First key in the sequence is only modifier(s).
kc1.key = keycode;
if (shift) kc1.shift = true;
ks.seq.push_back(kc1);
}
return true;
}
bool ZRCola::DBSource::SelectLanguages(ATL::CComPtr<ADORecordset> &rs) const
{
// Create a new recordset.
if (rs) rs.Release();
wxCHECK(SUCCEEDED(::CoCreateInstance(CLSID_CADORecordset, NULL, CLSCTX_ALL, IID_IADORecordset, (LPVOID*)&rs)), false);
// Open it.
if (FAILED(rs->Open(ATL::CComVariant(L"SELECT DISTINCT [entCode], [Jezik_En] FROM [VRS_Jezik]"), ATL::CComVariant(m_db), adOpenStatic, adLockReadOnly, adCmdText))) {
_ftprintf(stderr, wxT("%s: error ZCC0060: Error loading languages from database. Please make sure the file is ZRCola.zrc compatible.\n"), m_filename.c_str());
LogErrors();
return false;
}
return true;
}
bool ZRCola::DBSource::GetLanguage(const ATL::CComPtr<ADORecordset>& rs, ZRCola::DBSource::language& lang) const
{
wxASSERT_MSG(rs, wxT("recordset is empty"));
ATL::CComPtr<ADOFields> flds;
wxVERIFY(SUCCEEDED(rs->get_Fields(&flds)));
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"entCode"), &f)));
wxCHECK(GetLanguage(f, lang.id), false);
}
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"Jezik_En"), &f)));
wxCHECK(GetValue(f, lang.name), false);
}
return true;
}
bool ZRCola::DBSource::SelectLanguageCharacters(ATL::CComPtr<ADORecordset> &rs) const
{
// Create a new recordset.
if (rs) rs.Release();
wxCHECK(SUCCEEDED(::CoCreateInstance(CLSID_CADORecordset, NULL, CLSCTX_ALL, IID_IADORecordset, (LPVOID*)&rs)), false);
// Open it.
if (FAILED(rs->Open(ATL::CComVariant(L"SELECT DISTINCT [znak], [lang] FROM [VRS_CharLocal]"), ATL::CComVariant(m_db), adOpenStatic, adLockReadOnly, adCmdText))) {
_ftprintf(stderr, wxT("%s: error ZCC0090: Error loading language characters from database. Please make sure the file is ZRCola.zrc compatible.\n"), m_filename.c_str());
LogErrors();
return false;
}
return true;
}
bool ZRCola::DBSource::GetLanguageCharacter(const ATL::CComPtr<ADORecordset>& rs, ZRCola::DBSource::langchar& lc) const
{
wxASSERT_MSG(rs, wxT("recordset is empty"));
ATL::CComPtr<ADOFields> flds;
wxVERIFY(SUCCEEDED(rs->get_Fields(&flds)));
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"znak"), &f)));
wxCHECK(GetUnicodeCharacter(f, lc.chr), false);
}
{
ATL::CComPtr<ADOField> f;
wxVERIFY(SUCCEEDED(flds->get_Item(ATL::CComVariant(L"lang"), &f)));
wxCHECK(GetLanguage(f, lc.lang), false);
}
return true;
}
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