Fix bug #11588.

[lyx.git] / src / Encoding.cpp

diff --git a/src/Encoding.cpp b/src/Encoding.cpp
index b9cad8d2e00c55a937a8a57103e2089a11ab929c..ad380d78039d69f83ffa048bb14b3ed9a54c51b5 100644 (file)
--- a/src/Encoding.cpp
+++ b/src/Encoding.cpp
@@ -189,9 +189,16 @@ bool Encoding::encodable(char_type c) const
 {
        // assure the used encoding is properly initialized
        init();
-
        if (iconvName_ == "UTF-8" && package_ == none)
                return true;
+       // platex does not load inputenc: force conversion of supported characters
+       if (package_ == Encoding::japanese
+           && ((0xb7 <= c && c <= 0x05ff) // Latin-1 Supplement ... Hebrew
+                       || (0x1d00 <= c && c <= 0x218f) // Phonetic Extensions ... Number Forms
+                       || (0x2193 <= c && c <= 0x2aff) // Arrows ... Supplemental Mathematical Operators
+                       || (0xfb00 <= c && c <= 0xfb4f) // Alphabetic Presentation Forms
+                       || (0x1d400 <= c && c <= 0x1d7ff))) // Mathematical Alphanumeric Symbols
+               return false;
        if (c < start_encodable_ && !isForced(c))
                return true;
        if (encodable_.find(c) != encodable_.end())
@@ -223,8 +230,8 @@ pair<docstring, docstring> Encoding::latexString(docstring const & input, bool d
        docstring uncodable;
        bool terminate = false;
        for (size_t n = 0; n < input.size(); ++n) {
+               char_type const c = input[n];
                try {
-                       char_type const c = input[n];
                        pair<docstring, bool> latex_char = latexChar(c);
                        docstring const latex = latex_char.first;
                        if (terminate && !prefixIs(latex, '\\')
@@ -241,7 +248,8 @@ pair<docstring, docstring> Encoding::latexString(docstring const & input, bool d
                        result += latex;
                        terminate = latex_char.second;
                } catch (EncodingException & /* e */) {
-                       LYXERR0("Uncodable character in latexString!");
+                       LYXERR0("Uncodable character <" << docstring(1, c) 
+                                       << "> in latexString!");
                        if (dryrun) {
                                result += "<" + _("LyX Warning: ")
                                           + _("uncodable character") + " '";
@@ -306,10 +314,11 @@ bool Encodings::latexMathChar(char_type c, bool mathmode,
                if (!encoding || command.empty()) {
                        command = it->second.textcommand();
                        needsTermination = !it->second.textnotermination();
-                       addTextCmd(c);
                }
                if (mathmode)
                        addMathSym(c);
+               else
+                       addTextCmd(c);
        }
        return use_math;
 }
@@ -581,21 +590,29 @@ string const Encodings::TIPAShortcut(char_type c)
 }
 
 
-bool Encodings::isKnownScriptChar(char_type const c, string & preamble)
+string const Encodings::isKnownScriptChar(char_type const c)
 {
        CharInfoMap::const_iterator const it = unicodesymbols.find(c);
 
        if (it == unicodesymbols.end())
-               return false;
+               return string();
+       // FIXME: parse complex textpreamble (may be list or alternatives,
+       //                e.g., "subscript,textgreek" or "textcomp|textgreek")
+       if (it->second.textpreamble() == "textgreek"
+               || it->second.textpreamble() == "textcyrillic")
+               return it->second.textpreamble();
+       return string();
+}
 
-       if (it->second.textpreamble() != "textgreek" && it->second.textpreamble() != "textcyr")
-               return false;
 
-       if (preamble.empty()) {
-               preamble = it->second.textpreamble();
-               return true;
-       }
-       return it->second.textpreamble() == preamble;
+bool Encodings::fontencSupportsScript(string const & fontenc, string const & script)
+{
+       if (script == "textgreek")
+               return (fontenc == "LGR" || fontenc == "TU");
+       if (script == "textcyrillic")
+               return (fontenc == "T2A" || fontenc == "T2B" || fontenc == "T2C"
+                               || fontenc == "X2" || fontenc == "TU");
+       return false;
 }