Check character encodability with pass-thru in command insets

Fixes: #11584
(cherry picked from commit ebc2b1295a0464dde6c20a09ddc249c463a21c79)

diff --git a/src/insets/InsetCommandParams.cpp b/src/insets/InsetCommandParams.cpp
index 741f6aa9405c7708a2e990a7d240b240ac7f7da8..02a583f1ce6187b711950db40487cff2d6c905de 100644 (file)
--- a/src/insets/InsetCommandParams.cpp
+++ b/src/insets/InsetCommandParams.cpp
@@ -490,8 +490,41 @@ docstring InsetCommandParams::prepareCommand(OutputParams const & runparams,
        }
        else if (handling & ParamInfo::HANDLING_ESCAPE)
                result = escape(command);
-       else if (handling & ParamInfo::HANDLING_NONE)
-               result = command;
+       else if (handling & ParamInfo::HANDLING_NONE) {
+               // we can only output characters covered by the current
+               // encoding!
+               docstring uncodable;
+               for (size_type i = 0 ; i < command.size() ; ++i) {
+                       char_type c = command[i];
+                       try {
+                               if (runparams.encoding->encodable(c))
+                                       result += c;
+                               else if (runparams.dryrun) {
+                                       result += "<" + _("LyX Warning: ")
+                                          + _("uncodable character") + " '";
+                                       result += docstring(1, c);
+                                       result += "'>";
+                               } else
+                                       uncodable += c;
+                       } catch (EncodingException & /* e */) {
+                               if (runparams.dryrun) {
+                                       result += "<" + _("LyX Warning: ")
+                                          + _("uncodable character") + " '";
+                                       result += docstring(1, c);
+                                       result += "'>";
+                               } else
+                                       uncodable += c;
+                       }
+               }
+               if (!uncodable.empty() && !runparams.silent) {
+                       // issue a warning about omitted characters
+                       // FIXME: should be passed to the error dialog
+                       frontend::Alert::warning(_("Uncodable characters in nomenclature inset"),
+                               bformat(_("The following characters in one of the nomenclature listings are\n"
+                                         "not representable in the current encoding and have been omitted:\n%1$s."),
+                               uncodable));
+               }
+       }
        // INDEX_ESCAPE is independent of the others
        if (handling & ParamInfo::HANDLING_INDEX_ESCAPE) {
                // Now escape special commands