support encodings in menu files

2 files changed, 67 insertions, 2 deletions

diff --git a/src/FbTk/FbString.cc b/src/FbTk/FbString.cc
index 93f6aa7..3ed1c70 100644
--- a/src/FbTk/FbString.cc
+++ b/src/FbTk/FbString.cc
@@ -54,6 +54,8 @@ static iconv_t *iconv_convs = 0;
 static int iconv_convs[CONVSIZE];
 #endif // HAVE_ICONV
 
+static std::string locale_codeset;
+
 /// Initialise all of the iconv conversion descriptors
 void init() {
     setlocale(LC_CTYPE, "");
@@ -65,9 +67,9 @@ void init() {
     iconv_convs = new iconv_t[CONVSIZE];
 
 #ifdef CODESET
-    std::string locale_codeset = nl_langinfo(CODESET);
+    locale_codeset = nl_langinfo(CODESET);
 #else // openbsd doesnt have this (yet?)
-    std::string locale_codeset = "";
+    locale_codeset = "";
     std::string locale = setlocale(LC_CTYPE, NULL);
     size_t pos = locale.find('.');
     if (pos != std::string::npos) 
@@ -229,4 +231,47 @@ bool haveUTF8() {
 
 }; // end namespace StringUtil
 
+StringConvertor::StringConvertor(EncodingTarget target): m_iconv((iconv_t)(-1)) {
+#ifdef HAVE_ICONV
+    if (target == ToLocaleStr)
+        m_destencoding = FbStringUtil::locale_codeset;
+    else
+        m_destencoding = "UTF-8";
+#endif
+}
+
+StringConvertor::~StringConvertor() {
+#ifdef HAVE_ICONV
+    if (m_iconv != ((iconv_t)-1))
+        iconv_close(m_iconv);
+#endif
+}
+
+bool StringConvertor::setSource(const std::string &encoding) {
+#ifdef HAVE_ICONV
+    std::string tempenc = encoding;
+    if (encoding == "")
+        tempenc = FbStringUtil::locale_codeset;
+
+    iconv_t newiconv = iconv_open(m_destencoding.c_str(), tempenc.c_str());
+    if (newiconv == ((iconv_t)(-1)))
+        return false;
+    else {
+        iconv_close(m_iconv);
+        m_iconv = newiconv;
+        return true;
+    }
+#else
+    return false;
+#endif
+}
+    
+std::string StringConvertor::recode(const std::string &src) {
+#ifdef HAVE_ICONV
+    return FbStringUtil::recode(m_iconv, src);
+#else
+    return src;
+#endif
+}
+
 }; // end namespace FbTk
diff --git a/src/FbTk/FbString.hh b/src/FbTk/FbString.hh
index 011d47a..cfa44d9 100644
--- a/src/FbTk/FbString.hh
+++ b/src/FbTk/FbString.hh
@@ -52,6 +52,26 @@ std::string FbStrToLocale(const FbString &src);
 bool haveUTF8();
 
 } // namespace FbStringUtil
+
+class StringConvertor {
+public:
+
+    enum EncodingTarget { ToFbString, ToLocaleStr };
+
+    StringConvertor(EncodingTarget target);
+    ~StringConvertor();
+
+    bool setSource(const std::string &encoding);
+    void reset() { m_iconv = ((iconv_t)(-1)); }
+
+    std::string recode(const std::string &src);
+
+private:
+    iconv_t m_iconv;
+
+    std::string m_destencoding;
+};
+
 } // namespace FbTk
 
 #endif // FBTK_FBSTRING_HH