--- a/misc/libfreetype/src/otvalid/otvgdef.c Fri Oct 11 11:55:31 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,224 +0,0 @@
-/***************************************************************************/
-/* */
-/* otvgdef.c */
-/* */
-/* OpenType GDEF table validation (body). */
-/* */
-/* Copyright 2004, 2005, 2007 by */
-/* David Turner, Robert Wilhelm, and Werner Lemberg. */
-/* */
-/* This file is part of the FreeType project, and may only be used, */
-/* modified, and distributed under the terms of the FreeType project */
-/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
-/* this file you indicate that you have read the license and */
-/* understand and accept it fully. */
-/* */
-/***************************************************************************/
-
-
-#include "otvalid.h"
-#include "otvcommn.h"
-
-
- /*************************************************************************/
- /* */
- /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
- /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
- /* messages during execution. */
- /* */
-#undef FT_COMPONENT
-#define FT_COMPONENT trace_otvgdef
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** UTILITY FUNCTIONS *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
-#define AttachListFunc otv_O_x_Ox
-#define LigCaretListFunc otv_O_x_Ox
-
- /* sets valid->extra1 (0) */
-
- static void
- otv_O_x_Ox( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_Bytes Coverage;
- FT_UInt GlyphCount;
- OTV_Validate_Func func;
-
-
- OTV_ENTER;
-
- OTV_LIMIT_CHECK( 4 );
- Coverage = table + FT_NEXT_USHORT( p );
- GlyphCount = FT_NEXT_USHORT( p );
-
- OTV_TRACE(( " (GlyphCount = %d)\n", GlyphCount ));
-
- otv_Coverage_validate( Coverage, valid, GlyphCount );
- if ( GlyphCount != otv_Coverage_get_count( Coverage ) )
- FT_INVALID_DATA;
-
- OTV_LIMIT_CHECK( GlyphCount * 2 );
-
- valid->nesting_level++;
- func = valid->func[valid->nesting_level];
- valid->extra1 = 0;
-
- for ( ; GlyphCount > 0; GlyphCount-- )
- func( table + FT_NEXT_USHORT( p ), valid );
-
- valid->nesting_level--;
-
- OTV_EXIT;
- }
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** LIGATURE CARETS *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
-#define CaretValueFunc otv_CaretValue_validate
-
- static void
- otv_CaretValue_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt CaretValueFormat;
-
-
- OTV_ENTER;
-
- OTV_LIMIT_CHECK( 4 );
-
- CaretValueFormat = FT_NEXT_USHORT( p );
-
- OTV_TRACE(( " (format = %d)\n", CaretValueFormat ));
-
- switch ( CaretValueFormat )
- {
- case 1: /* CaretValueFormat1 */
- /* skip Coordinate, no test */
- break;
-
- case 2: /* CaretValueFormat2 */
- /* skip CaretValuePoint, no test */
- break;
-
- case 3: /* CaretValueFormat3 */
- p += 2; /* skip Coordinate */
-
- OTV_LIMIT_CHECK( 2 );
-
- /* DeviceTable */
- otv_Device_validate( table + FT_NEXT_USHORT( p ), valid );
- break;
-
- default:
- FT_INVALID_FORMAT;
- }
-
- OTV_EXIT;
- }
-
-
- /*************************************************************************/
- /*************************************************************************/
- /***** *****/
- /***** GDEF TABLE *****/
- /***** *****/
- /*************************************************************************/
- /*************************************************************************/
-
- /* sets valid->glyph_count */
-
- FT_LOCAL_DEF( void )
- otv_GDEF_validate( FT_Bytes table,
- FT_Bytes gsub,
- FT_Bytes gpos,
- FT_UInt glyph_count,
- FT_Validator ftvalid )
- {
- OTV_ValidatorRec validrec;
- OTV_Validator valid = &validrec;
- FT_Bytes p = table;
- FT_UInt table_size;
- FT_Bool need_MarkAttachClassDef;
-
- OTV_OPTIONAL_TABLE( GlyphClassDef );
- OTV_OPTIONAL_TABLE( AttachListOffset );
- OTV_OPTIONAL_TABLE( LigCaretListOffset );
- OTV_OPTIONAL_TABLE( MarkAttachClassDef );
-
-
- valid->root = ftvalid;
-
- FT_TRACE3(( "validating GDEF table\n" ));
- OTV_INIT;
-
- OTV_LIMIT_CHECK( 12 );
-
- if ( FT_NEXT_ULONG( p ) != 0x10000UL ) /* Version */
- FT_INVALID_FORMAT;
-
- /* MarkAttachClassDef has been added to the OpenType */
- /* specification without increasing GDEF's version, */
- /* so we use this ugly hack to find out whether the */
- /* table is needed actually. */
-
- need_MarkAttachClassDef = FT_BOOL(
- otv_GSUBGPOS_have_MarkAttachmentType_flag( gsub ) ||
- otv_GSUBGPOS_have_MarkAttachmentType_flag( gpos ) );
-
- if ( need_MarkAttachClassDef )
- table_size = 12; /* OpenType >= 1.2 */
- else
- table_size = 10; /* OpenType < 1.2 */
-
- valid->glyph_count = glyph_count;
-
- OTV_OPTIONAL_OFFSET( GlyphClassDef );
- OTV_SIZE_CHECK( GlyphClassDef );
- if ( GlyphClassDef )
- otv_ClassDef_validate( table + GlyphClassDef, valid );
-
- OTV_OPTIONAL_OFFSET( AttachListOffset );
- OTV_SIZE_CHECK( AttachListOffset );
- if ( AttachListOffset )
- {
- OTV_NEST2( AttachList, AttachPoint );
- OTV_RUN( table + AttachListOffset, valid );
- }
-
- OTV_OPTIONAL_OFFSET( LigCaretListOffset );
- OTV_SIZE_CHECK( LigCaretListOffset );
- if ( LigCaretListOffset )
- {
- OTV_NEST3( LigCaretList, LigGlyph, CaretValue );
- OTV_RUN( table + LigCaretListOffset, valid );
- }
-
- if ( need_MarkAttachClassDef )
- {
- OTV_OPTIONAL_OFFSET( MarkAttachClassDef );
- OTV_SIZE_CHECK( MarkAttachClassDef );
- if ( MarkAttachClassDef )
- otv_ClassDef_validate( table + MarkAttachClassDef, valid );
- }
-
- FT_TRACE4(( "\n" ));
- }
-
-
-/* END */