+// the ref argument is the label name we are referencing.
+// we expect ref to be in the form: pfx:suffix.
+//
+// if it isn't, then we can't produce a formatted reference,
+// so we return "\ref" and put ref into label.
+//
+// for refstyle, we return "\pfxcmd", and put suffix into
+// label and pfx into prefix. this is because refstyle expects
+// the command: \pfxcmd{suffix}.
+//
+// for prettyref, we return "\prettyref" and put ref into label
+// and pfx into prefix. this is because prettyref uses the whole
+// label, thus: \prettyref{pfx:suffix}.
+//
+docstring InsetRef::getFormattedCmd(docstring const & ref,
+ docstring & label, docstring & prefix) const
+{
+ static docstring const defcmd = from_ascii("\\ref");
+ static docstring const prtcmd = from_ascii("\\prettyref");
+
+ label = split(ref, prefix, ':');
+
+ // we have to have xxx:xxxxx...
+ if (label.empty()) {
+ LYXERR0("Label `" << ref << "' contains no prefix.");
+ label = ref;
+ prefix = from_ascii("");
+ return defcmd;
+ }
+
+ if (prefix.empty()) {
+ // we have ":xxxx"
+ label = ref;
+ return defcmd;
+ }
+
+ if (!buffer().params().use_refstyle) {
+ // \prettyref uses the whole label
+ label = ref;
+ return prtcmd;
+ }
+
+ // make sure the prefix is legal for a latex command
+ int const len = prefix.size();
+ for (int i = 0; i < len; i++) {
+ char_type const c = prefix[i];
+ if (!isAlphaASCII(c)) {
+ LYXERR0("Prefix `" << prefix << "' is invalid for LaTeX.");
+ // restore the label
+ label = ref;
+ return defcmd;
+ }
+ }
+ return from_ascii("\\") + prefix + from_ascii("ref");
+}
+
+
+docstring InsetRef::getEscapedLabel(OutputParams const & rp) const
+{
+ InsetCommandParams const & p = params();
+ ParamInfo const & pi = p.info();
+ ParamInfo::ParamData const & pd = pi["reference"];
+ return p.prepareCommand(rp, getParam("reference"), pd.handling());
+}
+
+
+void InsetRef::latex(otexstream & os, OutputParams const & rp) const