--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/misc/libfreetype/src/otvalid/otvcommn.h Mon Apr 25 01:46:54 2011 +0200
@@ -0,0 +1,437 @@
+/***************************************************************************/
+/* */
+/* otvcommn.h */
+/* */
+/* OpenType common tables validation (specification). */
+/* */
+/* Copyright 2004, 2005, 2007, 2009 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. */
+/* */
+/***************************************************************************/
+
+
+#ifndef __OTVCOMMN_H__
+#define __OTVCOMMN_H__
+
+
+#include <ft2build.h>
+#include "otvalid.h"
+#include FT_INTERNAL_DEBUG_H
+
+
+FT_BEGIN_HEADER
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** VALIDATION *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ typedef struct OTV_ValidatorRec_* OTV_Validator;
+
+ typedef void (*OTV_Validate_Func)( FT_Bytes table,
+ OTV_Validator valid );
+
+ typedef struct OTV_ValidatorRec_
+ {
+ FT_Validator root;
+ FT_UInt type_count;
+ OTV_Validate_Func* type_funcs;
+
+ FT_UInt lookup_count;
+ FT_UInt glyph_count;
+
+ FT_UInt nesting_level;
+
+ OTV_Validate_Func func[3];
+
+ FT_UInt extra1; /* for passing parameters */
+ FT_UInt extra2;
+ FT_Bytes extra3;
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+ FT_UInt debug_indent;
+ const FT_String* debug_function_name[3];
+#endif
+
+ } OTV_ValidatorRec;
+
+
+#undef FT_INVALID_
+#define FT_INVALID_( _prefix, _error ) \
+ ft_validator_error( valid->root, _prefix ## _error )
+
+#define OTV_OPTIONAL_TABLE( _table ) FT_UShort _table; \
+ FT_Bytes _table ## _p
+
+#define OTV_OPTIONAL_OFFSET( _offset ) \
+ FT_BEGIN_STMNT \
+ _offset ## _p = p; \
+ _offset = FT_NEXT_USHORT( p ); \
+ FT_END_STMNT
+
+#define OTV_LIMIT_CHECK( _count ) \
+ FT_BEGIN_STMNT \
+ if ( p + (_count) > valid->root->limit ) \
+ FT_INVALID_TOO_SHORT; \
+ FT_END_STMNT
+
+#define OTV_SIZE_CHECK( _size ) \
+ FT_BEGIN_STMNT \
+ if ( _size > 0 && _size < table_size ) \
+ { \
+ if ( valid->root->level == FT_VALIDATE_PARANOID ) \
+ FT_INVALID_OFFSET; \
+ else \
+ { \
+ /* strip off `const' */ \
+ FT_Byte* pp = (FT_Byte*)_size ## _p; \
+ \
+ \
+ FT_TRACE3(( "\n" \
+ "Invalid offset to optional table `%s'" \
+ " set to zero.\n" \
+ "\n", #_size )); \
+ \
+ /* always assume 16bit entities */ \
+ _size = pp[0] = pp[1] = 0; \
+ } \
+ } \
+ FT_END_STMNT
+
+
+#define OTV_NAME_(x) #x
+#define OTV_NAME(x) OTV_NAME_(x)
+
+#define OTV_FUNC_(x) x##Func
+#define OTV_FUNC(x) OTV_FUNC_(x)
+
+#ifdef FT_DEBUG_LEVEL_TRACE
+
+#define OTV_NEST1( x ) \
+ FT_BEGIN_STMNT \
+ valid->nesting_level = 0; \
+ valid->func[0] = OTV_FUNC( x ); \
+ valid->debug_function_name[0] = OTV_NAME( x ); \
+ FT_END_STMNT
+
+#define OTV_NEST2( x, y ) \
+ FT_BEGIN_STMNT \
+ valid->nesting_level = 0; \
+ valid->func[0] = OTV_FUNC( x ); \
+ valid->func[1] = OTV_FUNC( y ); \
+ valid->debug_function_name[0] = OTV_NAME( x ); \
+ valid->debug_function_name[1] = OTV_NAME( y ); \
+ FT_END_STMNT
+
+#define OTV_NEST3( x, y, z ) \
+ FT_BEGIN_STMNT \
+ valid->nesting_level = 0; \
+ valid->func[0] = OTV_FUNC( x ); \
+ valid->func[1] = OTV_FUNC( y ); \
+ valid->func[2] = OTV_FUNC( z ); \
+ valid->debug_function_name[0] = OTV_NAME( x ); \
+ valid->debug_function_name[1] = OTV_NAME( y ); \
+ valid->debug_function_name[2] = OTV_NAME( z ); \
+ FT_END_STMNT
+
+#define OTV_INIT valid->debug_indent = 0
+
+#define OTV_ENTER \
+ FT_BEGIN_STMNT \
+ valid->debug_indent += 2; \
+ FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \
+ FT_TRACE4(( "%s table\n", \
+ valid->debug_function_name[valid->nesting_level] )); \
+ FT_END_STMNT
+
+#define OTV_NAME_ENTER( name ) \
+ FT_BEGIN_STMNT \
+ valid->debug_indent += 2; \
+ FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \
+ FT_TRACE4(( "%s table\n", name )); \
+ FT_END_STMNT
+
+#define OTV_EXIT valid->debug_indent -= 2
+
+#define OTV_TRACE( s ) \
+ FT_BEGIN_STMNT \
+ FT_TRACE4(( "%*.s", valid->debug_indent, 0 )); \
+ FT_TRACE4( s ); \
+ FT_END_STMNT
+
+#else /* !FT_DEBUG_LEVEL_TRACE */
+
+#define OTV_NEST1( x ) \
+ FT_BEGIN_STMNT \
+ valid->nesting_level = 0; \
+ valid->func[0] = OTV_FUNC( x ); \
+ FT_END_STMNT
+
+#define OTV_NEST2( x, y ) \
+ FT_BEGIN_STMNT \
+ valid->nesting_level = 0; \
+ valid->func[0] = OTV_FUNC( x ); \
+ valid->func[1] = OTV_FUNC( y ); \
+ FT_END_STMNT
+
+#define OTV_NEST3( x, y, z ) \
+ FT_BEGIN_STMNT \
+ valid->nesting_level = 0; \
+ valid->func[0] = OTV_FUNC( x ); \
+ valid->func[1] = OTV_FUNC( y ); \
+ valid->func[2] = OTV_FUNC( z ); \
+ FT_END_STMNT
+
+#define OTV_INIT do { } while ( 0 )
+#define OTV_ENTER do { } while ( 0 )
+#define OTV_NAME_ENTER( name ) do { } while ( 0 )
+#define OTV_EXIT do { } while ( 0 )
+
+#define OTV_TRACE( s ) do { } while ( 0 )
+
+#endif /* !FT_DEBUG_LEVEL_TRACE */
+
+
+#define OTV_RUN valid->func[0]
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** COVERAGE TABLE *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL( void )
+ otv_Coverage_validate( FT_Bytes table,
+ OTV_Validator valid,
+ FT_Int expected_count );
+
+ /* return first covered glyph */
+ FT_LOCAL( FT_UInt )
+ otv_Coverage_get_first( FT_Bytes table );
+
+ /* return last covered glyph */
+ FT_LOCAL( FT_UInt )
+ otv_Coverage_get_last( FT_Bytes table );
+
+ /* return number of covered glyphs */
+ FT_LOCAL( FT_UInt )
+ otv_Coverage_get_count( FT_Bytes table );
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** CLASS DEFINITION TABLE *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL( void )
+ otv_ClassDef_validate( FT_Bytes table,
+ OTV_Validator valid );
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** DEVICE TABLE *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL( void )
+ otv_Device_validate( FT_Bytes table,
+ OTV_Validator valid );
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** LOOKUPS *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL( void )
+ otv_Lookup_validate( FT_Bytes table,
+ OTV_Validator valid );
+
+ FT_LOCAL( void )
+ otv_LookupList_validate( FT_Bytes table,
+ OTV_Validator valid );
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** FEATURES *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL( void )
+ otv_Feature_validate( FT_Bytes table,
+ OTV_Validator valid );
+
+ /* lookups must already be validated */
+ FT_LOCAL( void )
+ otv_FeatureList_validate( FT_Bytes table,
+ FT_Bytes lookups,
+ OTV_Validator valid );
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** LANGUAGE SYSTEM *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL( void )
+ otv_LangSys_validate( FT_Bytes table,
+ OTV_Validator valid );
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** SCRIPTS *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+ FT_LOCAL( void )
+ otv_Script_validate( FT_Bytes table,
+ OTV_Validator valid );
+
+ /* features must already be validated */
+ FT_LOCAL( void )
+ otv_ScriptList_validate( FT_Bytes table,
+ FT_Bytes features,
+ OTV_Validator valid );
+
+
+ /*************************************************************************/
+ /*************************************************************************/
+ /***** *****/
+ /***** UTILITY FUNCTIONS *****/
+ /***** *****/
+ /*************************************************************************/
+ /*************************************************************************/
+
+#define ChainPosClassSetFunc otv_x_Ox
+#define ChainPosRuleSetFunc otv_x_Ox
+#define ChainSubClassSetFunc otv_x_Ox
+#define ChainSubRuleSetFunc otv_x_Ox
+#define JstfLangSysFunc otv_x_Ox
+#define JstfMaxFunc otv_x_Ox
+#define LigGlyphFunc otv_x_Ox
+#define LigatureArrayFunc otv_x_Ox
+#define LigatureSetFunc otv_x_Ox
+#define PosClassSetFunc otv_x_Ox
+#define PosRuleSetFunc otv_x_Ox
+#define SubClassSetFunc otv_x_Ox
+#define SubRuleSetFunc otv_x_Ox
+
+ FT_LOCAL( void )
+ otv_x_Ox ( FT_Bytes table,
+ OTV_Validator valid );
+
+#define AlternateSubstFormat1Func otv_u_C_x_Ox
+#define ChainContextPosFormat1Func otv_u_C_x_Ox
+#define ChainContextSubstFormat1Func otv_u_C_x_Ox
+#define ContextPosFormat1Func otv_u_C_x_Ox
+#define ContextSubstFormat1Func otv_u_C_x_Ox
+#define LigatureSubstFormat1Func otv_u_C_x_Ox
+#define MultipleSubstFormat1Func otv_u_C_x_Ox
+
+ FT_LOCAL( void )
+ otv_u_C_x_Ox( FT_Bytes table,
+ OTV_Validator valid );
+
+#define AlternateSetFunc otv_x_ux
+#define AttachPointFunc otv_x_ux
+#define ExtenderGlyphFunc otv_x_ux
+#define JstfGPOSModListFunc otv_x_ux
+#define JstfGSUBModListFunc otv_x_ux
+#define SequenceFunc otv_x_ux
+
+ FT_LOCAL( void )
+ otv_x_ux( FT_Bytes table,
+ OTV_Validator valid );
+
+#define PosClassRuleFunc otv_x_y_ux_sy
+#define PosRuleFunc otv_x_y_ux_sy
+#define SubClassRuleFunc otv_x_y_ux_sy
+#define SubRuleFunc otv_x_y_ux_sy
+
+ FT_LOCAL( void )
+ otv_x_y_ux_sy( FT_Bytes table,
+ OTV_Validator valid );
+
+#define ChainPosClassRuleFunc otv_x_ux_y_uy_z_uz_p_sp
+#define ChainPosRuleFunc otv_x_ux_y_uy_z_uz_p_sp
+#define ChainSubClassRuleFunc otv_x_ux_y_uy_z_uz_p_sp
+#define ChainSubRuleFunc otv_x_ux_y_uy_z_uz_p_sp
+
+ FT_LOCAL( void )
+ otv_x_ux_y_uy_z_uz_p_sp( FT_Bytes table,
+ OTV_Validator valid );
+
+#define ContextPosFormat2Func otv_u_O_O_x_Onx
+#define ContextSubstFormat2Func otv_u_O_O_x_Onx
+
+ FT_LOCAL( void )
+ otv_u_O_O_x_Onx( FT_Bytes table,
+ OTV_Validator valid );
+
+#define ContextPosFormat3Func otv_u_x_y_Ox_sy
+#define ContextSubstFormat3Func otv_u_x_y_Ox_sy
+
+ FT_LOCAL( void )
+ otv_u_x_y_Ox_sy( FT_Bytes table,
+ OTV_Validator valid );
+
+#define ChainContextPosFormat2Func otv_u_O_O_O_O_x_Onx
+#define ChainContextSubstFormat2Func otv_u_O_O_O_O_x_Onx
+
+ FT_LOCAL( void )
+ otv_u_O_O_O_O_x_Onx( FT_Bytes table,
+ OTV_Validator valid );
+
+#define ChainContextPosFormat3Func otv_u_x_Ox_y_Oy_z_Oz_p_sp
+#define ChainContextSubstFormat3Func otv_u_x_Ox_y_Oy_z_Oz_p_sp
+
+ FT_LOCAL( void )
+ otv_u_x_Ox_y_Oy_z_Oz_p_sp( FT_Bytes table,
+ OTV_Validator valid );
+
+
+ FT_LOCAL( FT_UInt )
+ otv_GSUBGPOS_get_Lookup_count( FT_Bytes table );
+
+ FT_LOCAL( FT_UInt )
+ otv_GSUBGPOS_have_MarkAttachmentType_flag( FT_Bytes table );
+
+ /* */
+
+FT_END_HEADER
+
+#endif /* __OTVCOMMN_H__ */
+
+
+/* END */