// file      : xsde/cxx/parser/validating/nmtoken.cxx
// author    : Boris Kolpackov <boris@codesynthesis.com>
// copyright : Copyright (c) 2005-2007 Code Synthesis Tools CC
// license   : GNU GPL v2 + exceptions; see accompanying LICENSE file

#include <xsde/cxx/config.hxx>

#include <xsde/cxx/xml/char-table.hxx>

#include <xsde/cxx/parser/validating/nmtoken.hxx>

namespace xsde
{
  namespace cxx
  {
    namespace parser
    {
      namespace validating
      {
        void nmtoken_pimpl::
        _pre ()
        {
#ifdef XSDE_EXCEPTIONS
          str_.assign ("", 0);
#else
          if (str_.assign ("", 0))
            _sys_error (sys_error::no_memory);
#endif
        }

        void nmtoken_pimpl::
        _characters (const ro_string& s)
        {
          if (str_.size () == 0)
          {
            ro_string tmp (s.data (), s.size ());

            if (trim_left (tmp) != 0)
            {
#ifdef XSDE_EXCEPTIONS
              str_.append (tmp.data (), tmp.size ());
#else
              if (str_.append (tmp.data (), tmp.size ()))
                _sys_error (sys_error::no_memory);
#endif
            }
          }
          else
          {
#ifdef XSDE_EXCEPTIONS
            str_.append (s.data (), s.size ());
#else
            if (str_.append (s.data (), s.size ()))
              _sys_error (sys_error::no_memory);
#endif
          }
        }

        void nmtoken_pimpl::
        _post ()
        {
          ro_string tmp (str_.data (), str_.size ());
          ro_string::size_type size = trim_right (tmp);

          // For now we are only checking the US-ASCII characters.
          //

          bool ok = (size != 0);

          if (ok)
          {
            for (ro_string::size_type i = 0; i < size; ++i)
            {
              unsigned char c = static_cast<unsigned char> (str_[i]);

              if (c < 0x80 && !(xml::char_table[c] & xml::name_char_mask))
              {
                ok = false;
                break;
              }
            }
          }

          str_.truncate (size);

          if (!ok)
            _schema_error (schema_error::invalid_nmtoken_value);
        }

        char* nmtoken_pimpl::
        post_nmtoken ()
        {
          return str_.detach ();
        }
      }
    }
  }
}
