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#include "localization.h"
#include <wx/msgdlg.h>
#include "resources.h"
#include "globalFunctions.h"
#include <fstream>
#include <set>
//_("Browse") <- dummy string for wxDirPickerCtrl to be recognized by automatic text extraction!
struct TranslationLine
{
wxString original;
wxString translation;
bool operator<(const TranslationLine& b) const
{
return (original < b.original);
}
};
class Translation : public std::set<TranslationLine> {};
CustomLocale::CustomLocale() :
wxLocale(),
currentLanguage(wxLANGUAGE_ENGLISH)
{
translationDB = new Translation;
}
CustomLocale::~CustomLocale()
{
delete translationDB;
}
inline
void exchangeEscapeChars(wxString& data)
{
wxString output;
const wxChar* input = data.c_str();
wxChar value;
while ((value = *input) != wxChar(0))
{
//read backslash
if (value == wxChar('\\'))
{
//read next character
++input;
if ((value = *input) == wxChar(0))
break;
switch (value)
{
case wxChar('\\'):
output += wxChar('\\');
break;
case wxChar('n'):
output += wxChar('\n');
break;
case wxChar('t'):
output += wxChar('\t');
break;
case wxChar('\"'):
output += wxChar('\"');
break;
default:
output += value;
}
}
else
output += value;
++input;
}
data = output;
}
void CustomLocale::setLanguage(const int language)
{
currentLanguage = language;
std::string languageFile;
switch (language)
{
case wxLANGUAGE_CHINESE_SIMPLIFIED:
languageFile = "Languages/chinese_simple.lng";
break;
case wxLANGUAGE_DUTCH:
languageFile = "Languages/dutch.lng";
break;
case wxLANGUAGE_FRENCH:
languageFile = "Languages/french.lng";
break;
case wxLANGUAGE_GERMAN:
languageFile = "Languages/german.lng";
break;
case wxLANGUAGE_HUNGARIAN:
languageFile = "Languages/hungarian.lng";
break;
case wxLANGUAGE_ITALIAN:
languageFile = "Languages/italian.lng";
break;
case wxLANGUAGE_JAPANESE:
languageFile = "Languages/japanese.lng";
break;
case wxLANGUAGE_POLISH:
languageFile = "Languages/polish.lng";
break;
case wxLANGUAGE_PORTUGUESE:
languageFile = "Languages/portuguese.lng";
break;
case wxLANGUAGE_PORTUGUESE_BRAZILIAN:
languageFile = "Languages/portuguese_br.lng";
break;
case wxLANGUAGE_SLOVENIAN:
languageFile = "Languages/slovenian.lng";
break;
case wxLANGUAGE_SPANISH:
languageFile = "Languages/spanish.lng";
break;
default:
languageFile.clear();
currentLanguage = wxLANGUAGE_ENGLISH;
}
static bool initialized = false; //wxLocale is a global too!
if (!initialized)
{
initialized = true;
wxLocale::Init(currentLanguage, wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
}
//load language file into buffer
translationDB->clear();
const int bufferSize = 100000;
char temp[bufferSize];
if (!languageFile.empty())
{
std::ifstream langFile(languageFile.c_str(), std::ios::binary);
if (langFile)
{
TranslationLine currentLine;
//Delimiter:
//----------
//Linux: 0xa \n
//Mac: 0xd \r
//Win: 0xd 0xa \r\n <- language files are in Windows format
for (int rowNumber = 0; langFile.getline(temp, bufferSize, 0xd); ++rowNumber) //specify delimiter explicitly
{
langFile.get(); //discard the 0xa character
wxString formattedString = wxString::FromUTF8(temp);
//wxString formattedString = wxString::From8BitData(temp);
exchangeEscapeChars(formattedString);
if (rowNumber%2 == 0)
currentLine.original = formattedString;
else
{
currentLine.translation = formattedString;
translationDB->insert(currentLine);
}
}
langFile.close();
}
else
wxMessageBox(wxString(_("Error reading file:")) + wxT(" \"") + wxString(languageFile.c_str(), wxConvUTF8) + wxT("\""), _("An exception occured!"), wxOK | wxICON_ERROR);
}
else
; //if languageFile is empty texts will be english per default
//these global variables need to be redetermined on language selection
GlobalResources::DECIMAL_POINT = _(".");
GlobalResources::THOUSANDS_SEPARATOR = _(",");
}
const wxChar* CustomLocale::GetString(const wxChar* szOrigString, const wxChar* szDomain) const
{
TranslationLine currentLine;
currentLine.original = szOrigString;
//look for translation in buffer table
const Translation::iterator i = translationDB->find(currentLine);
if (i != translationDB->end())
return i->translation.c_str();
//fallback
return szOrigString;
}
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