+ odocstringstream bin;
+
+ for(docstring::size_type i = 0; i < raw.size(); ++i) {
+ bin << sgml::escapeChar(raw[i]);
+ }
+ return bin.str();
+}
+
+
+docstring const sgml::uniqueID(docstring const label)
+{
+ static unsigned int seed = 1000;
+ return label + convert<docstring>(++seed);
+}
+
+
+docstring sgml::cleanID(Buffer const & buf, OutputParams const & runparams,
+ docstring const & orig)
+{
+ // The standard DocBook SGML declaration only allows letters,
+ // digits, '-' and '.' in a name.
+ // Since users might change that declaration one has to cater
+ // for additional allowed characters.
+ // This routine replaces illegal characters by '-' or '.'
+ // and adds a number for uniqueness.
+ // If you know what you are doing, you can set allowed==""
+ // to disable this mangling.
+ LyXTextClass const & tclass = buf.params().getLyXTextClass();
+ string const allowed =
+ runparams.flavor == OutputParams::XML? ".-_:":tclass.options();
+
+ if (allowed.empty())
+ return orig;
+
+ docstring::const_iterator it = orig.begin();
+ docstring::const_iterator end = orig.end();
+
+ docstring content;
+
+ typedef map<docstring, docstring> MangledMap;
+ static MangledMap mangledNames;
+ static int mangleID = 1;
+
+ MangledMap::const_iterator const known = mangledNames.find(orig);
+ if (known != mangledNames.end())
+ return (*known).second;
+
+ // make sure it starts with a letter
+ if (!isalpha(*it) && allowed.find(*it) >= allowed.size())
+ content += "x";
+
+ bool mangle = false;
+ for (; it != end; ++it) {
+ char c = *it;
+ if (isalpha(c) || isdigit(c) || c == '-' || c == '.'
+ || allowed.find(c) < allowed.size())
+ content += c;
+ else if (c == '_' || c == ' ') {
+ mangle = true;
+ content += "-";
+ }
+ else if (c == ':' || c == ',' || c == ';' || c == '!') {
+ mangle = true;
+ content += ".";
+ }
+ else {
+ mangle = true;
+ }
+ }
+ if (mangle) {
+ content += "-" + convert<docstring>(mangleID++);
+ }
+ else if (isdigit(content[content.size() - 1])) {
+ content += ".";
+ }
+
+ mangledNames[orig] = content;
+
+ return content;
+}
+
+
+void sgml::openTag(odocstream & os, string const & name, string const & attribute)
+{
+ // FIXME UNICODE
+ // This should be fixed in layout files later.
+ string param = subst(attribute, "<", "\"");
+ param = subst(param, ">", "\"");
+
+ if (!name.empty() && name != "!-- --") {
+ os << '<' << from_ascii(name);
+ if (!param.empty())
+ os << ' ' << from_ascii(param);