+ // Now escape special commands
+ static docstring const backslash = from_ascii("\\");
+ int const nchars_escape = 8;
+ static char_type const chars_escape[nchars_escape] = {
+ '&', '_', '$', '%', '#', '^', '{', '}'};
+
+ if (!result.empty()) {
+ int previous;
+ // The characters in chars_name[] need to be changed to a command when
+ // they are LaTeXified.
+ for (int k = 0; k < nchars_escape; k++)
+ for (size_t i = 0, pos;
+ (pos = result.find(chars_escape[k], i)) != string::npos;
+ i = pos + 2) {
+ //(Only) \\^ needs to be terminated
+ docstring const term = (k == 5) ? from_ascii("{}") : docstring();
+ if (pos == 0)
+ previous = 0;
+ else
+ previous = pos - 1;
+ // only if not already escaped
+ if (result[previous] != '\\')
+ result.replace(pos, 1, backslash + chars_escape[k] + term);
+ }
+ }
+ }
+ else if (handling & ParamInfo::HANDLING_ESCAPE)
+ result = escape(command);
+ else if (handling & ParamInfo::HANDLING_NONE) {
+ // we can only output characters covered by the current
+ // encoding!
+ docstring uncodable;
+ for (char_type c : command) {
+ try {
+ if (runparams.encoding->encodable(c))
+ result += c;
+ else if (runparams.dryrun) {
+ result += "<" + _("LyX Warning: ")
+ + _("uncodable character") + " '";
+ result += docstring(1, c);
+ result += "'>";
+ } else
+ uncodable += c;
+ } catch (EncodingException & /* e */) {
+ if (runparams.dryrun) {
+ result += "<" + _("LyX Warning: ")
+ + _("uncodable character") + " '";
+ result += docstring(1, c);
+ result += "'>";
+ } else
+ uncodable += c;
+ }
+ }
+ if (!uncodable.empty() && !runparams.silent) {
+ // issue a warning about omitted characters
+ // FIXME: should be passed to the error dialog
+ frontend::Alert::warning(_("Uncodable characters in inset"),
+ bformat(_("The following characters in one of the insets are\n"
+ "not representable in the current encoding and have been omitted: %1$s.\n"
+ "Unchecking 'Literal' in the respective inset dialog might help."),
+ uncodable));
+ }
+ }
+ // INDEX_ESCAPE is independent of the others
+ if (handling & ParamInfo::HANDLING_INDEX_ESCAPE) {
+ // Now escape special commands
+ static docstring const quote = from_ascii("\"");
+ int const nchars_escape = 4;
+ static char_type const chars_escape[nchars_escape] = { '"', '@', '|', '!' };
+
+ if (!result.empty()) {
+ // The characters in chars_name[] need to be changed to a command when
+ // they are LaTeXified.
+ for (int k = 0; k < nchars_escape; k++)
+ for (size_t i = 0, pos;
+ (pos = result.find(chars_escape[k], i)) != string::npos;
+ i = pos + 2)
+ result.replace(pos, 1, quote + chars_escape[k]);
+ }
+ }
+
+ return ltrimmed ? ltrim(result) : result;