Initial commit

1 files changed, 219 insertions, 0 deletions

diff --git a/translit.cpp b/translit.cpp
new file mode 100644
index 0000000..7a54cf3
--- /dev/null
+++ b/translit.cpp
@@ -0,0 +1,219 @@
+#include "translit.h"
+
+IMPLEMENT_APP(TranslitGUI)
+
+bool TranslitGUI::OnInit()
+{
+    TranslitFrame *translitFrame = new TranslitFrame();
+    translitFrame->Show(true);
+
+    return true;
+}
+
+TranslitFrame::TranslitFrame():
+        wxFrame(nullptr, wxID_ANY, wxEmptyString,
+		wxDefaultPosition, wxSize(640,540),
+		wxDEFAULT_FRAME_STYLE | wxRESIZE_BORDER, wxEmptyString)
+{
+    main_panel = new wxPanel(this, wxID_ANY);
+    main_sizer = new wxBoxSizer(wxVERTICAL);
+
+    textfield_in = new wxTextCtrl(main_panel, wxID_ANY, wxEmptyString,
+                                  wxDefaultPosition, wxSize(640,240),
+                                  wxTE_MULTILINE, wxDefaultValidator);
+    textfield_out = new wxTextCtrl(main_panel, wxID_ANY, wxEmptyString,
+                                   wxDefaultPosition, wxSize(640,240),
+                                   wxTE_MULTILINE, wxDefaultValidator);
+
+    select_scheme = new wxComboBox(main_panel, wxID_ANY, wxEmptyString,
+                                   wxDefaultPosition, wxDefaultSize, 0, NULL,
+                                   wxCB_READONLY, wxDefaultValidator);
+    select_scheme->Insert(wxT("ALA-LC (Library of Congress)"), SCHEME_LC);
+    select_scheme->Insert(wxT("DIN 1460 (German academic)"), SCHEME_DIN);
+    select_scheme->Insert(wxT("BGN/PCGN (British official)"), SCHEME_PCGN);
+    select_scheme->Insert(wxT("ISO/R9 (Hybrid 1954/1968, OUP)"), SCHEME_OUP);
+    select_scheme->Insert(wxT("ISO/R9 (invertible, international)"), SCHEME_ISO);
+    select_scheme->Insert(wxT("Serbian national/official"), SCHEME_SRB);
+#ifdef TRANSLIT_OUP
+    select_scheme->SetSelection(SCHEME_OUP);
+#else
+    select_scheme->SetSelection(SCHEME_LC);
+#endif
+	select_scheme->Bind(wxEVT_COMBOBOX, &TranslitFrame::set_lang_options, this);
+
+    select_lang = new wxComboBox(main_panel, wxID_ANY, wxEmptyString,
+                                 wxDefaultPosition, wxDefaultSize, 0, NULL,
+                                 wxCB_READONLY, wxDefaultValidator);
+    select_lang->Insert(wxT("Russian"), LANG_RUS);
+    select_lang->Insert(wxT("Ukrainian"), LANG_UKR);
+    select_lang->Insert(wxT("Belarusian"), LANG_BEL);
+    select_lang->Insert(wxT("Bulgarian"), LANG_BG);
+    select_lang->Insert(wxT("Historical"), LANG_CS);
+    select_lang->SetSelection(LANG_RUS);
+
+    select_sizer = new wxBoxSizer(wxHORIZONTAL);
+    select_sizer->Add(select_scheme, 2, wxEXPAND | wxALL);
+    select_sizer->Add(select_lang, 2, wxEXPAND | wxALL);
+
+    translit_button = new wxButton(main_panel, wxID_OK, wxT("Run"));
+    translit_button->Bind(wxEVT_BUTTON, &TranslitFrame::do_translit, this);
+
+    clear_button = new wxButton(main_panel, wxID_CLEAR, wxT("Clear"));
+    clear_button->Bind(wxEVT_BUTTON, &TranslitFrame::clear_text, this);
+
+    copy_button = new wxButton(main_panel, wxID_COPY, wxT("Copy"));
+    copy_button->Bind(wxEVT_BUTTON, &TranslitFrame::copy_text, this);
+
+    quit_button = new wxButton(main_panel, wxID_EXIT, wxT("Exit"));
+    quit_button->Bind(wxEVT_BUTTON, &TranslitFrame::OnExit, this);
+
+    button_sizer = new wxBoxSizer(wxHORIZONTAL);
+    button_sizer->Add(translit_button, 2, wxEXPAND | wxALL);
+    button_sizer->Add(quit_button, 2, wxEXPAND | wxALL);
+    button_sizer->Add(copy_button, 2, wxEXPAND | wxALL);
+    button_sizer->Add(clear_button, 2, wxEXPAND | wxALL);
+
+    main_sizer->Add(select_sizer, 0, wxEXPAND | wxALL, 5);
+    main_sizer->Add(textfield_in, 2,  wxEXPAND | wxALL, 5);
+    main_sizer->Add(textfield_out, 2, wxEXPAND | wxALL, 5);
+    main_sizer->Add(button_sizer, 0, wxEXPAND | wxALL, 2);
+
+    main_panel->SetSizer(main_sizer);
+}
+
+void TranslitFrame::OnExit(wxCommandEvent& WXUNUSED(event))
+{
+    Close(true);
+}
+
+void TranslitFrame::set_lang_options(wxCommandEvent& WXUNUSED(event))
+{
+    if (select_scheme->GetSelection() == SCHEME_SRB ||
+          select_scheme->GetSelection() == SCHEME_ISO)
+		select_lang->Enable(false);
+    else
+        select_lang->Enable(true);
+}
+
+void TranslitFrame::do_translit(wxCommandEvent& WXUNUSED(event))
+{
+    map<wxString, wxString> char_map;
+
+    wxString text_lat;
+    wxString text_cyr = textfield_in->GetValue();
+
+    int scheme_selected = select_scheme->GetSelection();
+    int lang_selected = select_lang->GetSelection();
+
+    switch (scheme_selected) {
+    case SCHEME_LC:
+        char_map = ala_lc[0];
+        char_map.insert(ala_lc[lang_selected + 1].begin(),
+                        ala_lc[lang_selected + 1].end());
+        break;
+    case SCHEME_DIN:
+        char_map = din_1460[0];
+        char_map.insert(din_1460[lang_selected + 1].begin(),
+                        din_1460[lang_selected + 1].end());
+        break;
+    case SCHEME_PCGN:
+        char_map = bgp_pcgn[0];
+        char_map.insert(bgp_pcgn[lang_selected + 1].begin(),
+                        bgp_pcgn[lang_selected + 1].end());
+        break;
+    case SCHEME_OUP:
+        char_map = iso9_old[0];
+        char_map.insert(iso9_old[lang_selected + 1].begin(),
+                        iso9_old[lang_selected + 1].end());
+        break;
+    case SCHEME_ISO:
+        char_map = iso9_new;
+        break;
+    case SCHEME_SRB:
+        char_map = srb_nat;
+        break;
+    }
+
+    text_lat = replace_chars(text_cyr, char_map,
+                             scheme_selected,
+                             lang_selected);
+
+    textfield_out->ChangeValue(text_lat);
+}
+
+void TranslitFrame::clear_text(wxCommandEvent& WXUNUSED(event))
+{
+    textfield_out->Clear();
+    textfield_in->Clear();
+}
+
+void TranslitFrame::copy_text(wxCommandEvent& WXUNUSED(event))
+{
+    wxString text_to_copy = textfield_out->GetValue();
+    if (wxTheClipboard->Open())
+    {
+        wxTheClipboard->SetData(new wxTextDataObject(text_to_copy));
+        wxTheClipboard->Close();
+    }
+}
+
+wxString TranslitFrame::replace_chars(wxString& text_in,
+    map<wxString, wxString> char_map, int scheme_type, int lang)
+{
+    wxString text_out, subst;
+    wxChar char_curr, char_prev, char_next;
+    size_t char_no, char_max;
+ 
+    const static wxRegEx match_vowels(wxT("[АЕЁИЙІОУЮЯЭЬЪѢѴаеёийіоуюяьъѣѵ]+"));
+    const static wxRegEx match_upper(wxT("[А-ЯЪЬЀ-ЏҐѰѲѴѢѤѦѨѪѬѠ]+"));
+
+    text_out.Clear();
+
+    char_max = text_in.length();
+    for (char_no = 0; char_no < char_max; char_no++)
+    {
+        char_curr = text_in[char_no];
+        if (char_no > 0)
+            char_prev = text_in[char_no - 1];
+        if (char_no < char_max - 1)
+            char_next = text_in[char_no + 1];
+
+        if (scheme_type == SCHEME_PCGN && lang == LANG_RUS) {
+	        if ((char_prev && match_vowels.Matches(char_prev)) ||
+                        (char_no == 0 ||
+                         char_prev == ' ' ||
+                         char_prev == '\n')) {
+                if (char_curr == L'е' || char_curr == L'ё') {
+	            	text_out += L'y' + char_curr;
+					continue;
+            	} else if (char_curr == L'Е' ) {
+                	if (char_next && match_upper.Matches(char_next))
+                    	text_out += L"YE";
+                    else text_out += L"Ye";
+                    continue;
+                } else if (char_curr == L'Ë') {
+                    if (char_next && match_upper.Matches(char_next))
+                    	text_out += L"YË";
+                    else text_out += L"Yë";
+                    continue;
+                }
+            }
+        }
+
+        if (char_map.count(char_curr) > 0) {
+            subst = char_map.find(char_curr)->second;
+ 
+ 			// heuristic for smart detection of capitalization
+            // TO DO: this doesn't work yet for diacritics
+            if (char_next && match_upper.Matches(char_next)
+                          && match_upper.Matches(char_curr))
+               subst = subst.Upper();
+
+            text_out += subst;
+        } else {
+            text_out += char_curr;
+        }
+    }
+
+    return text_out;
+}