From f1c873ba3659ce32342419b11fa84948a302b8e1 Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Sat, 14 Apr 2007 23:03:40 +0000
Subject: [PATCH] implemented RFE #1564986 - block unsupported language

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@5080 212acab6-be3b-0410-9dea-997c60f758d6
---
 Contrib/LangDLL/LangDLL.c    | 40 ++++++++++++++++++++++++++++--------
 Contrib/Modern UI/System.nsh |  6 +++---
 Source/script.cpp            |  4 ++++
 3 files changed, 39 insertions(+), 11 deletions(-)

diff --git a/Contrib/LangDLL/LangDLL.c b/Contrib/LangDLL/LangDLL.c
index fe838720..afa4b3aa 100644
--- a/Contrib/LangDLL/LangDLL.c
+++ b/Contrib/LangDLL/LangDLL.c
@@ -20,12 +20,14 @@ HWND g_hwndParent;
 char temp[1024];
 char g_wndtitle[1024], g_wndtext[1024];
 int dofont;
+int docp;
 
 int langs_num;
 
 struct lang {
   char *name;
   char *id;
+  UINT cp;
 } *langs;
 
 BOOL CALLBACK DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
@@ -37,7 +39,12 @@ BOOL CALLBACK DialogProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam)
   	case WM_INITDIALOG:
       // add languages
       for (i = langs_num - 1; i >= 0; i--) {
-        int cbi = SendDlgItemMessage(hwndDlg, IDC_LANGUAGE, CB_ADDSTRING, 0, (LPARAM) langs[i].name);
+        int cbi;
+
+        if (langs[i].cp != 0 && langs[i].cp != GetACP())
+          continue;
+
+        cbi = SendDlgItemMessage(hwndDlg, IDC_LANGUAGE, CB_ADDSTRING, 0, (LPARAM) langs[i].name);
         SendDlgItemMessage(hwndDlg, IDC_LANGUAGE, CB_SETITEMDATA, cbi, (LPARAM) langs[i].id);
 
         // remember selected language
@@ -123,6 +130,18 @@ void __declspec(dllexport) LangDialog(HWND hwndParent, int string_size,
 
     // get flags
     if (popstring(temp)) return;
+
+    // parse flags
+    {
+      char *p=temp;
+      while (*p)
+      {
+        if (*p == 'F') dofont=1; // parse font flag
+        if (*p == 'C') docp=1;   // parse codepage flag
+        p++;
+      }
+    }
+ 
     if (*temp == 'A') {
       // automatic language count
       stack_t *th;
@@ -133,19 +152,18 @@ void __declspec(dllexport) LangDialog(HWND hwndParent, int string_size,
         th = th->next;
       }
       if (!th) return;
-      langs_num /= 2;
+      if (dofont)
+        langs_num -= 2;
+      if (docp)
+        langs_num /= 3;
+      else
+        langs_num /= 2;
       pop_empty_string = TRUE;
     } else {
       // use counts languages
       langs_num = myatoi(temp);
     }
 
-    {
-      // parse font flag
-      char *p=temp;
-      while (*p) if (*p++ == 'F') dofont=1;
-    }
-
     // zero languages?
     if (!langs_num) return;
 
@@ -164,6 +182,12 @@ void __declspec(dllexport) LangDialog(HWND hwndParent, int string_size,
       langs[i].id = GlobalAlloc(GPTR, lstrlen(temp)+1);
       if (!langs[i].id) return;
       lstrcpy(langs[i].id, temp);
+
+      if (docp)
+      {
+        if (popstring(temp)) return;
+        langs[i].cp = myatoi(temp);
+      }
     }
 
     // pop the empty string to keep the stack clean
diff --git a/Contrib/Modern UI/System.nsh b/Contrib/Modern UI/System.nsh
index 3e40cc58..140effa4 100644
--- a/Contrib/Modern UI/System.nsh	
+++ b/Contrib/Modern UI/System.nsh	
@@ -2051,7 +2051,7 @@ Var /GLOBAL MUI_TEMP2
 
   !endif
 
-  LangDLL::LangDialog "${MUI_LANGDLL_WINDOWTITLE}" "${MUI_LANGDLL_INFO}" A ${MUI_LANGDLL_PUSHLIST} ""
+  LangDLL::LangDialog "${MUI_LANGDLL_WINDOWTITLE}" "${MUI_LANGDLL_INFO}" AC ${MUI_LANGDLL_PUSHLIST} ""
 
   Pop $LANGUAGE
   StrCmp $LANGUAGE "cancel" 0 +2
@@ -2230,14 +2230,14 @@ Var /GLOBAL MUI_TEMP2
   !insertmacro MUI_LANGUAGEFILE_DEFINE "MUI_${LANGUAGE}_LANGNAME" "MUI_LANGNAME"
 
   !ifndef MUI_LANGDLL_PUSHLIST
-    !define MUI_LANGDLL_PUSHLIST "'${MUI_${LANGUAGE}_LANGNAME}' ${LANG_${LANGUAGE}} "
+    !define MUI_LANGDLL_PUSHLIST "'${MUI_${LANGUAGE}_LANGNAME}' '${LANG_${LANGUAGE}}' '${LANG_${LANGUAGE}_CP}' "
   !else
     !ifdef MUI_LANGDLL_PUSHLIST_TEMP
       !undef MUI_LANGDLL_PUSHLIST_TEMP
     !endif
     !define MUI_LANGDLL_PUSHLIST_TEMP "${MUI_LANGDLL_PUSHLIST}"
     !undef MUI_LANGDLL_PUSHLIST
-    !define MUI_LANGDLL_PUSHLIST "'${MUI_${LANGUAGE}_LANGNAME}' ${LANG_${LANGUAGE}} ${MUI_LANGDLL_PUSHLIST_TEMP}"
+    !define MUI_LANGDLL_PUSHLIST "'${MUI_${LANGUAGE}_LANGNAME}' '${LANG_${LANGUAGE}}' '${LANG_${LANGUAGE}_CP}' ${MUI_LANGDLL_PUSHLIST_TEMP}"
   !endif
 
   !insertmacro MUI_LANGUAGEFILE_LANGSTRING_PAGE WELCOME "MUI_TEXT_WELCOME_INFO_TITLE"
diff --git a/Source/script.cpp b/Source/script.cpp
index 8cf62405..d19af77a 100644
--- a/Source/script.cpp
+++ b/Source/script.cpp
@@ -2735,10 +2735,14 @@ int CEXEBuild::doCommand(int which_token, LineParser &line)
       // define LANG_LangName as "####" (lang id)
       // for example ${LANG_ENGLISH} = 1033
       char lang_id[16];
+      char lang_cp[16];
       char lang_name[1024];
       wsprintf(lang_name, "LANG_%s", table->nlf.m_szName);
       wsprintf(lang_id, "%u", table->lang_id);
+      wsprintf(lang_cp, "%u", table->nlf.m_uCodePage);
       definedlist.add(lang_name, lang_id);
+      wsprintf(lang_name, "LANG_%s_CP", table->nlf.m_szName);
+      definedlist.add(lang_name, lang_cp);
     }
     return PS_OK;