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#include "misc.h"
#include <fstream>
#include <wx/msgdlg.h>
#include "resources.h"
wxString exchangeEscapeChars(char* temp)
{
wxString output(temp);
output.Replace("\\\\", "\\");
output.Replace("\\n", "\n");
output.Replace("\\t", "\t");
output.Replace("\"\"", """");
output.Replace("\\\"", "\"");
return output;
}
CustomLocale::CustomLocale() :
wxLocale(),
currentLanguage(wxLANGUAGE_ENGLISH)
{}
CustomLocale::~CustomLocale()
{
//write language to file
ofstream output("lang.dat");
if (!output)
{
wxMessageBox(wxString(_("Could not write to ")) + "\"" + "lang.dat" + "\"", _("An exception occured!"), wxOK | wxICON_ERROR);
return;
}
output<<currentLanguage<<char(0);
output.close();
}
void CustomLocale::loadLanguageFromCfg() //retrieve language from config file: do NOT put into constructor since working directory has not been set!
{
int language = wxLANGUAGE_ENGLISH;
//try to load language setting from file
ifstream input("lang.dat");
if (input)
{
char buffer[20];
input.getline(buffer, 20, char(0));
language = atoi(buffer);
input.close();
}
else
language = wxLocale::GetSystemLanguage();
wxLocale::Init(language, wxLOCALE_LOAD_DEFAULT | wxLOCALE_CONV_ENCODING);
loadLanguageFile(language);
}
void CustomLocale::loadLanguageFile(int language)
{
currentLanguage = language;
wxString languageFile;
switch (language)
{
case wxLANGUAGE_GERMAN:
languageFile = "german.lng";
break;
default:
languageFile = "";
currentLanguage = wxLANGUAGE_ENGLISH;
}
//load language file into buffer
translationDB.clear();
char temp[100000];
if (!languageFile.IsEmpty())
{
ifstream langFile(languageFile.c_str());
if (langFile)
{
int rowNumber = 0;
TranslationLine currentLine;
//Delimiter:
//----------
//Linux: 0xa
//Mac: 0xd
//Win: 0xd 0xa
#ifdef FFS_WIN
while (langFile.getline(temp, 100000))
{
#elif defined FFS_LINUX
while (langFile.getline(temp, 100000, 0xd)) //specify delimiter explicitely
{
//strangely this approach does NOT work under windows :(
langFile.get(); //delimiter 0xd is completely ignored (and also not extracted)
#else
assert (false);
#endif
if (rowNumber%2 == 0)
currentLine.original = exchangeEscapeChars(temp);
else
{
currentLine.translation = exchangeEscapeChars(temp);
translationDB.insert(currentLine);
}
++rowNumber;
}
langFile.close();
}
else
wxMessageBox(wxString(_("Could not read language file ")) + "\"" + languageFile + "\"", _("An exception occured!"), wxOK | wxICON_ERROR);
}
else
; //if languageFile is empty language is defaulted to english
//these global variables need to be redetermined on language selection
GlobalResources::decimalPoint = _(".");
GlobalResources::thousandsSeparator = _(",");
}
const wxChar* CustomLocale::GetString(const wxChar* szOrigString, const wxChar* szDomain) const
{
TranslationLine currentLine;
currentLine.original = szOrigString;
//look for translation in buffer table
Translation::iterator i;
if ((i = translationDB.find(currentLine)) != translationDB.end())
return (i->translation.c_str());
//fallback
return (szOrigString);
}
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