afm_parser_next_key( AFM_Parser parser,
FT_Bool line,
FT_Offset* len )
{
AFM_Stream stream = parser->stream;
char* key = 0; /* make stupid compiler happy */
if ( line )
{
while ( 1 )
{
/* skip current line */
if ( !AFM_STATUS_EOL( stream ) )
afm_stream_read_string( stream );
stream->status = AFM_STREAM_STATUS_NORMAL;
key = afm_stream_read_one( stream );
/* skip empty line */
if ( !key &&
!AFM_STATUS_EOF( stream ) &&
AFM_STATUS_EOL( stream ) )
continue;
break;
}
}
else
{
while ( 1 )
{
/* skip current column */
while ( !AFM_STATUS_EOC( stream ) )
afm_stream_read_one( stream );
stream->status = AFM_STREAM_STATUS_NORMAL;
key = afm_stream_read_one( stream );
/* skip empty column */
if ( !key &&
!AFM_STATUS_EOF( stream ) &&
AFM_STATUS_EOC( stream ) )
continue;
break;
}
}
if ( len )
*len = ( key ) ? (FT_Offset)AFM_STREAM_KEY_LEN( stream, key )
: 0;
return key;
}
static int
afm_stream_skip_spaces( AFM_Stream stream )
{
int ch = 0; /* make stupid compiler happy */
if ( AFM_STATUS_EOC( stream ) )
return ';';
while ( 1 )
{
ch = AFM_GETC();
if ( !AFM_IS_SPACE( ch ) )
break;
}
if ( AFM_IS_NEWLINE( ch ) )
stream->status = AFM_STREAM_STATUS_EOL;
else if ( AFM_IS_SEP( ch ) )
stream->status = AFM_STREAM_STATUS_EOC;
else if ( AFM_IS_EOF( ch ) )
stream->status = AFM_STREAM_STATUS_EOF;
return ch;
}
/* read a key or value in current column */
static char*
afm_stream_read_one( AFM_Stream stream )
{
char* str;
afm_stream_skip_spaces( stream );
if ( AFM_STATUS_EOC( stream ) )
return NULL;
str = AFM_STREAM_KEY_BEGIN( stream );
while ( 1 )
{
int ch = AFM_GETC();
if ( AFM_IS_SPACE( ch ) )
break;
else if ( AFM_IS_NEWLINE( ch ) )
{
stream->status = AFM_STREAM_STATUS_EOL;
break;
}
else if ( AFM_IS_SEP( ch ) )
{
stream->status = AFM_STREAM_STATUS_EOC;
break;
}
else if ( AFM_IS_EOF( ch ) )
{
stream->status = AFM_STREAM_STATUS_EOF;
break;
}
}
return str;
}
