1 files changed, 138 insertions, 0 deletions
diff --git a/library/misc.cpp b/library/misc.cpp
new file mode 100644
index 00000000..2a5c0ec2
--- /dev/null
+++ b/library/misc.cpp
@@ -0,0 +1,138 @@
+#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);
+}
+