diff options
Diffstat (limited to 'src/otvalid/otvgdef.c')
| -rw-r--r-- | src/otvalid/otvgdef.c | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/src/otvalid/otvgdef.c b/src/otvalid/otvgdef.c deleted file mode 100644 index 7d24902..0000000 --- a/src/otvalid/otvgdef.c +++ /dev/null @@ -1,219 +0,0 @@ -/***************************************************************************/ -/* */ -/* otvgdef.c */ -/* */ -/* OpenType GDEF table validation (body). */ -/* */ -/* Copyright 2004, 2005 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 ); - 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_DATA; - } - - OTV_EXIT; - } - - - /*************************************************************************/ - /*************************************************************************/ - /***** *****/ - /***** GDEF TABLE *****/ - /***** *****/ - /*************************************************************************/ - /*************************************************************************/ - - FT_LOCAL_DEF( void ) - otv_GDEF_validate( FT_Bytes table, - FT_Bytes gsub, - FT_Bytes gpos, - 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 */ - - 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 */ |