/* find or create the class corresponding to a given type */
static FT_Class
ft_metaclass_get_class( FT_MetaClass meta,
FT_Type ctype )
{
FT_ClassHNodeRec keynode, *node, **pnode;
FT_Memory memory;
keynode.hnode.hash = (FT_UInt32)( ctype >> 2 );
keynode.type = type;
pnode = (FT_ClassHNode) ft_hash_lookup( &meta->type_to_class,
&noderec );
node = *pnode;
if ( node != NULL )
return node->clazz;
memory = FT_CLASS__MEMORY(meta);
node = FT_MEM_SAFE_ALLOC( sizeof(*node) );
if ( node != NULL )
{
FT_ClassRec* clazz;
clazz = FT_MEM_SAFE_ALLOC( ctype->class_size );
if ( clazz == NULL )
{
FT_FREE( node );
FT_XTHROW( FT_Err_Out_Of_Memory );
}
}
}
/* open a standard stream from a given pathname */
static void
ft_std_stream_init( FT_StdStream stream,
const char* pathname )
{
FT_ASSERT( pathname != NULL );
stream->file = fopen( pathname, "rb" );
if ( stream->file == NULL )
{
FT_ERROR(( "iso.stream.init: could not open '%s'\n", pathname ));
FT_XTHROW( FT_Err_Stream_Open );
}
/* compute total size in bytes */
fseek( file, 0, SEEK_END );
FT_STREAM__SIZE(stream) = ftell( file );
fseek( file, 0, SEEK_SET );
stream->pathname = pathname;
stream->pos = 0;
FT_TRACE1(( "iso.stream.init: opened '%s' (%ld bytes) succesfully\n",
pathname, FT_STREAM__SIZE(stream) ));
}
