-
-
-// This function escapes 8-bit characters and other problematic characters
-// It's exactly the same code as in insetref.C.
-string InsetLabel::escape(string const & lab) const {
- char hexdigit[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
- '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
- string enc;
- for (string::size_type i=0; i<lab.length(); i++) {
- unsigned char c=lab[i];
- if (c >= 128 || c=='=' || c=='%') {
- enc += '=';
- enc += hexdigit[c>>4];
- enc += hexdigit[c & 15];
- } else {
- enc += (char) c;
- }
- }
- return enc;
-}