--- a/misc/libfreetype/src/otvalid/otvbase.c Thu Jul 25 23:16:06 2013 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,318 +0,0 @@
-/***************************************************************************/
-/* */
-/* otvbase.c */
-/* */
-/* OpenType BASE table validation (body). */
-/* */
-/* Copyright 2004, 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_otvbase
-
-
- static void
- otv_BaseCoord_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt BaseCoordFormat;
-
-
- OTV_NAME_ENTER( "BaseCoord" );
-
- OTV_LIMIT_CHECK( 4 );
- BaseCoordFormat = FT_NEXT_USHORT( p );
- p += 2; /* skip Coordinate */
-
- OTV_TRACE(( " (format %d)\n", BaseCoordFormat ));
-
- switch ( BaseCoordFormat )
- {
- case 1: /* BaseCoordFormat1 */
- break;
-
- case 2: /* BaseCoordFormat2 */
- OTV_LIMIT_CHECK( 4 ); /* ReferenceGlyph, BaseCoordPoint */
- break;
-
- case 3: /* BaseCoordFormat3 */
- OTV_LIMIT_CHECK( 2 );
- /* DeviceTable */
- otv_Device_validate( table + FT_NEXT_USHORT( p ), valid );
- break;
-
- default:
- FT_INVALID_FORMAT;
- }
-
- OTV_EXIT;
- }
-
-
- static void
- otv_BaseTagList_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt BaseTagCount;
-
-
- OTV_NAME_ENTER( "BaseTagList" );
-
- OTV_LIMIT_CHECK( 2 );
-
- BaseTagCount = FT_NEXT_USHORT( p );
-
- OTV_TRACE(( " (BaseTagCount = %d)\n", BaseTagCount ));
-
- OTV_LIMIT_CHECK( BaseTagCount * 4 ); /* BaselineTag */
-
- OTV_EXIT;
- }
-
-
- static void
- otv_BaseValues_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt BaseCoordCount;
-
-
- OTV_NAME_ENTER( "BaseValues" );
-
- OTV_LIMIT_CHECK( 4 );
-
- p += 2; /* skip DefaultIndex */
- BaseCoordCount = FT_NEXT_USHORT( p );
-
- OTV_TRACE(( " (BaseCoordCount = %d)\n", BaseCoordCount ));
-
- OTV_LIMIT_CHECK( BaseCoordCount * 2 );
-
- /* BaseCoord */
- for ( ; BaseCoordCount > 0; BaseCoordCount-- )
- otv_BaseCoord_validate( table + FT_NEXT_USHORT( p ), valid );
-
- OTV_EXIT;
- }
-
-
- static void
- otv_MinMax_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt table_size;
- FT_UInt FeatMinMaxCount;
-
- OTV_OPTIONAL_TABLE( MinCoord );
- OTV_OPTIONAL_TABLE( MaxCoord );
-
-
- OTV_NAME_ENTER( "MinMax" );
-
- OTV_LIMIT_CHECK( 6 );
-
- OTV_OPTIONAL_OFFSET( MinCoord );
- OTV_OPTIONAL_OFFSET( MaxCoord );
- FeatMinMaxCount = FT_NEXT_USHORT( p );
-
- OTV_TRACE(( " (FeatMinMaxCount = %d)\n", FeatMinMaxCount ));
-
- table_size = FeatMinMaxCount * 8 + 6;
-
- OTV_SIZE_CHECK( MinCoord );
- if ( MinCoord )
- otv_BaseCoord_validate( table + MinCoord, valid );
-
- OTV_SIZE_CHECK( MaxCoord );
- if ( MaxCoord )
- otv_BaseCoord_validate( table + MaxCoord, valid );
-
- OTV_LIMIT_CHECK( FeatMinMaxCount * 8 );
-
- /* FeatMinMaxRecord */
- for ( ; FeatMinMaxCount > 0; FeatMinMaxCount-- )
- {
- p += 4; /* skip FeatureTableTag */
-
- OTV_OPTIONAL_OFFSET( MinCoord );
- OTV_OPTIONAL_OFFSET( MaxCoord );
-
- OTV_SIZE_CHECK( MinCoord );
- if ( MinCoord )
- otv_BaseCoord_validate( table + MinCoord, valid );
-
- OTV_SIZE_CHECK( MaxCoord );
- if ( MaxCoord )
- otv_BaseCoord_validate( table + MaxCoord, valid );
- }
-
- OTV_EXIT;
- }
-
-
- static void
- otv_BaseScript_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt table_size;
- FT_UInt BaseLangSysCount;
-
- OTV_OPTIONAL_TABLE( BaseValues );
- OTV_OPTIONAL_TABLE( DefaultMinMax );
-
-
- OTV_NAME_ENTER( "BaseScript" );
-
- OTV_LIMIT_CHECK( 6 );
- OTV_OPTIONAL_OFFSET( BaseValues );
- OTV_OPTIONAL_OFFSET( DefaultMinMax );
- BaseLangSysCount = FT_NEXT_USHORT( p );
-
- OTV_TRACE(( " (BaseLangSysCount = %d)\n", BaseLangSysCount ));
-
- table_size = BaseLangSysCount * 6 + 6;
-
- OTV_SIZE_CHECK( BaseValues );
- if ( BaseValues )
- otv_BaseValues_validate( table + BaseValues, valid );
-
- OTV_SIZE_CHECK( DefaultMinMax );
- if ( DefaultMinMax )
- otv_MinMax_validate( table + DefaultMinMax, valid );
-
- OTV_LIMIT_CHECK( BaseLangSysCount * 6 );
-
- /* BaseLangSysRecord */
- for ( ; BaseLangSysCount > 0; BaseLangSysCount-- )
- {
- p += 4; /* skip BaseLangSysTag */
-
- otv_MinMax_validate( table + FT_NEXT_USHORT( p ), valid );
- }
-
- OTV_EXIT;
- }
-
-
- static void
- otv_BaseScriptList_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt BaseScriptCount;
-
-
- OTV_NAME_ENTER( "BaseScriptList" );
-
- OTV_LIMIT_CHECK( 2 );
- BaseScriptCount = FT_NEXT_USHORT( p );
-
- OTV_TRACE(( " (BaseScriptCount = %d)\n", BaseScriptCount ));
-
- OTV_LIMIT_CHECK( BaseScriptCount * 6 );
-
- /* BaseScriptRecord */
- for ( ; BaseScriptCount > 0; BaseScriptCount-- )
- {
- p += 4; /* skip BaseScriptTag */
-
- /* BaseScript */
- otv_BaseScript_validate( table + FT_NEXT_USHORT( p ), valid );
- }
-
- OTV_EXIT;
- }
-
-
- static void
- otv_Axis_validate( FT_Bytes table,
- OTV_Validator valid )
- {
- FT_Bytes p = table;
- FT_UInt table_size;
-
- OTV_OPTIONAL_TABLE( BaseTagList );
-
-
- OTV_NAME_ENTER( "Axis" );
-
- OTV_LIMIT_CHECK( 4 );
- OTV_OPTIONAL_OFFSET( BaseTagList );
-
- table_size = 4;
-
- OTV_SIZE_CHECK( BaseTagList );
- if ( BaseTagList )
- otv_BaseTagList_validate( table + BaseTagList, valid );
-
- /* BaseScriptList */
- otv_BaseScriptList_validate( table + FT_NEXT_USHORT( p ), valid );
-
- OTV_EXIT;
- }
-
-
- FT_LOCAL_DEF( void )
- otv_BASE_validate( FT_Bytes table,
- FT_Validator ftvalid )
- {
- OTV_ValidatorRec validrec;
- OTV_Validator valid = &validrec;
- FT_Bytes p = table;
- FT_UInt table_size;
-
- OTV_OPTIONAL_TABLE( HorizAxis );
- OTV_OPTIONAL_TABLE( VertAxis );
-
-
- valid->root = ftvalid;
-
- FT_TRACE3(( "validating BASE table\n" ));
- OTV_INIT;
-
- OTV_LIMIT_CHECK( 6 );
-
- if ( FT_NEXT_ULONG( p ) != 0x10000UL ) /* Version */
- FT_INVALID_FORMAT;
-
- table_size = 6;
-
- OTV_OPTIONAL_OFFSET( HorizAxis );
- OTV_SIZE_CHECK( HorizAxis );
- if ( HorizAxis )
- otv_Axis_validate( table + HorizAxis, valid );
-
- OTV_OPTIONAL_OFFSET( VertAxis );
- OTV_SIZE_CHECK( VertAxis );
- if ( VertAxis )
- otv_Axis_validate( table + VertAxis, valid );
-
- FT_TRACE4(( "\n" ));
- }
-
-
-/* END */