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gxvmort1.c File Reference
#include "gxvmort.h"
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Classes

struct  GXV_mort_subtable_type1_StateOptRec_
 

Macros

#define FT_COMPONENT   trace_gxvmort
 
#define GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE    ( GXV_STATETABLE_HEADER_SIZE + 2 )
 

Typedefs

typedef struct GXV_mort_subtable_type1_StateOptRec_ GXV_mort_subtable_type1_StateOptRec
 
typedef struct GXV_mort_subtable_type1_StateOptRec_GXV_mort_subtable_type1_StateOptRecData
 

Functions

static void gxv_mort_subtable_type1_substitutionTable_load (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
 
static void gxv_mort_subtable_type1_subtable_setup (FT_UShort table_size, FT_UShort classTable, FT_UShort stateArray, FT_UShort entryTable, FT_UShort *classTable_length_p, FT_UShort *stateArray_length_p, FT_UShort *entryTable_length_p, GXV_Validator gxvalid)
 
static void gxv_mort_subtable_type1_offset_to_subst_validate (FT_Short wordOffset, const FT_String *tag, FT_Byte state, GXV_Validator gxvalid)
 
static void gxv_mort_subtable_type1_entry_validate (FT_Byte state, FT_UShort flags, GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
 
static void gxv_mort_subtable_type1_substTable_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
 
 gxv_mort_subtable_type1_validate (FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
 

Macro Definition Documentation

◆ FT_COMPONENT

#define FT_COMPONENT   trace_gxvmort

Definition at line 39 of file gxvmort1.c.

◆ GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE

#define GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE    ( GXV_STATETABLE_HEADER_SIZE + 2 )

Definition at line 50 of file gxvmort1.c.

Typedef Documentation

◆ GXV_mort_subtable_type1_StateOptRec

◆ GXV_mort_subtable_type1_StateOptRecData

Function Documentation

◆ gxv_mort_subtable_type1_entry_validate()

static void gxv_mort_subtable_type1_entry_validate ( FT_Byte  state,
FT_UShort  flags,
GXV_StateTable_GlyphOffsetCPtr  glyphOffset_p,
FT_Bytes  table,
FT_Bytes  limit,
GXV_Validator  gxvalid 
)
static

Definition at line 135 of file gxvmort1.c.

142 {
143#ifdef GXV_LOAD_UNUSED_VARS
144 FT_UShort setMark;
145 FT_UShort dontAdvance;
146#endif
148 FT_Short markOffset;
149 FT_Short currentOffset;
150
151 FT_UNUSED( table );
152 FT_UNUSED( limit );
153
154
155#ifdef GXV_LOAD_UNUSED_VARS
156 setMark = (FT_UShort)( flags >> 15 );
157 dontAdvance = (FT_UShort)( ( flags >> 14 ) & 1 );
158#endif
159 reserved = (FT_UShort)( flags & 0x3FFF );
160
161 markOffset = (FT_Short)( glyphOffset_p->ul >> 16 );
162 currentOffset = (FT_Short)( glyphOffset_p->ul );
163
164 if ( 0 < reserved )
165 {
166 GXV_TRACE(( " non-zero bits found in reserved range\n" ));
168 }
169
171 "markOffset",
172 state,
173 gxvalid );
174
176 "currentOffset",
177 state,
178 gxvalid );
179 }
static int state
Definition: maze.c:121
r reserved
Definition: btrfs.c:3006
#define FT_UNUSED(arg)
Definition: ftconfig.h:101
unsigned short FT_UShort
Definition: fttypes.h:209
signed short FT_Short
Definition: fttypes.h:198
#define FT_INVALID_DATA
Definition: ftvalid.h:150
GLint limit
Definition: glext.h:10326
GLbitfield flags
Definition: glext.h:7161
#define GXV_SET_ERR_IF_PARANOID(err)
Definition: gxvcommn.h:66
#define GXV_TRACE(s)
Definition: gxvcommn.h:304
static void gxv_mort_subtable_type1_offset_to_subst_validate(FT_Short wordOffset, const FT_String *tag, FT_Byte state, GXV_Validator gxvalid)
Definition: gxvmort1.c:102

Referenced by gxv_mort_subtable_type1_validate().

◆ gxv_mort_subtable_type1_offset_to_subst_validate()

static void gxv_mort_subtable_type1_offset_to_subst_validate ( FT_Short  wordOffset,
const FT_String tag,
FT_Byte  state,
GXV_Validator  gxvalid 
)
static

Definition at line 102 of file gxvmort1.c.

107 {
108 FT_UShort substTable;
109 FT_UShort substTable_limit;
110
111 FT_UNUSED( tag );
112 FT_UNUSED( state );
113
114
115 substTable =
117 (gxvalid->statetable.optdata))->substitutionTable;
118 substTable_limit =
119 (FT_UShort)( substTable +
121 (gxvalid->statetable.optdata))->substitutionTable_length );
122
123 gxvalid->min_gid = (FT_UShort)( ( substTable - wordOffset * 2 ) / 2 );
124 gxvalid->max_gid = (FT_UShort)( ( substTable_limit - wordOffset * 2 ) / 2 );
125 gxvalid->max_gid = (FT_UShort)( FT_MAX( gxvalid->max_gid,
126 gxvalid->face->num_glyphs ) );
127
128 /* XXX: check range? */
129
130 /* TODO: min_gid & max_gid comparison with ClassTable contents */
131 }
#define FT_MAX(a, b)
Definition: ftobjs.h:72
FT_Long num_glyphs
Definition: freetype.h:1076
GXV_StateTable_ValidatorRec statetable
Definition: gxvcommn.h:254
FT_UShort max_gid
Definition: gxvcommn.h:252
FT_UShort min_gid
Definition: gxvcommn.h:251
Definition: ecma_167.h:138

Referenced by gxv_mort_subtable_type1_entry_validate().

◆ gxv_mort_subtable_type1_substitutionTable_load()

static void gxv_mort_subtable_type1_substitutionTable_load ( FT_Bytes  table,
FT_Bytes  limit,
GXV_Validator  gxvalid 
)
static

Definition at line 55 of file gxvmort1.c.

58 {
60
63
64
65 GXV_LIMIT_CHECK( 2 );
67 }
#define FT_NEXT_USHORT(buffer)
Definition: ftstream.h:226
const FT_Byte * FT_Bytes
Definition: fttypes.h:165
GLfloat GLfloat p
Definition: glext.h:8902
#define GXV_LIMIT_CHECK(_count)
Definition: gxvcommn.h:272
struct GXV_mort_subtable_type1_StateOptRec_ * GXV_mort_subtable_type1_StateOptRecData

Referenced by gxv_mort_subtable_type1_validate().

◆ gxv_mort_subtable_type1_substTable_validate()

static void gxv_mort_subtable_type1_substTable_validate ( FT_Bytes  table,
FT_Bytes  limit,
GXV_Validator  gxvalid 
)
static

Definition at line 183 of file gxvmort1.c.

186 {
187 FT_Bytes p = table;
188 FT_UShort num_gids = (FT_UShort)(
190 (gxvalid->statetable.optdata))->substitutionTable_length / 2 );
191 FT_UShort i;
192
193
194 GXV_NAME_ENTER( "validating contents of substitutionTable" );
195 for ( i = 0; i < num_gids; i++ )
196 {
197 FT_UShort dst_gid;
198
199
200 GXV_LIMIT_CHECK( 2 );
201 dst_gid = FT_NEXT_USHORT( p );
202
203 if ( dst_gid >= 0xFFFFU )
204 continue;
205
206 if ( dst_gid < gxvalid->min_gid || gxvalid->max_gid < dst_gid )
207 {
208 GXV_TRACE(( "substTable include a strange gid[%d]=%d >"
209 " out of define range (%d..%d)\n",
210 i, dst_gid, gxvalid->min_gid, gxvalid->max_gid ));
212 }
213 }
214
215 GXV_EXIT;
216 }
#define FT_INVALID_GLYPH_ID
Definition: ftvalid.h:146
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
#define GXV_NAME_ENTER(name)
Definition: gxvcommn.h:301
#define GXV_EXIT
Definition: gxvcommn.h:302

Referenced by gxv_mort_subtable_type1_validate().

◆ gxv_mort_subtable_type1_subtable_setup()

static void gxv_mort_subtable_type1_subtable_setup ( FT_UShort  table_size,
FT_UShort  classTable,
FT_UShort  stateArray,
FT_UShort  entryTable,
FT_UShort classTable_length_p,
FT_UShort stateArray_length_p,
FT_UShort entryTable_length_p,
GXV_Validator  gxvalid 
)
static

Definition at line 71 of file gxvmort1.c.

79 {
80 FT_UShort o[4];
81 FT_UShort *l[4];
82 FT_UShort buff[5];
83
86
87
88 o[0] = classTable;
89 o[1] = stateArray;
90 o[2] = entryTable;
91 o[3] = optdata->substitutionTable;
92 l[0] = classTable_length_p;
93 l[1] = stateArray_length_p;
94 l[2] = entryTable_length_p;
95 l[3] = &( optdata->substitutionTable_length );
96
98 }
r l[0]
Definition: byte_order.h:168
static unsigned char buff[32768]
Definition: fatten.c:17
gxv_set_length_by_ushort_offset(FT_UShort *offset, FT_UShort **length, FT_UShort *buff, FT_UInt nmemb, FT_UShort limit, GXV_Validator gxvalid)
Definition: gxvcommn.c:63
LOCAL int table_size
Definition: write.c:65

Referenced by gxv_mort_subtable_type1_validate().

◆ gxv_mort_subtable_type1_validate()

gxv_mort_subtable_type1_validate ( FT_Bytes  table,
FT_Bytes  limit,
GXV_Validator  gxvalid 
)

Definition at line 225 of file gxvmort1.c.

228 {
229 FT_Bytes p = table;
230
232
233
234 GXV_NAME_ENTER( "mort chain subtable type1 (Contextual Glyph Subst)" );
235
237
238 gxvalid->statetable.optdata =
239 &st_rec;
247
249 gxv_StateTable_validate( p, limit, gxvalid );
250
252 table + st_rec.substitutionTable,
254 gxvalid );
255
256 GXV_EXIT;
257 }
gxv_StateTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvcommn.c:1208
@ GXV_GLYPHOFFSET_ULONG
Definition: gxvcommn.h:127
#define GXV_MORT_SUBTABLE_TYPE1_HEADER_SIZE
Definition: gxvmort1.c:50
static void gxv_mort_subtable_type1_subtable_setup(FT_UShort table_size, FT_UShort classTable, FT_UShort stateArray, FT_UShort entryTable, FT_UShort *classTable_length_p, FT_UShort *stateArray_length_p, FT_UShort *entryTable_length_p, GXV_Validator gxvalid)
Definition: gxvmort1.c:71
static void gxv_mort_subtable_type1_entry_validate(FT_Byte state, FT_UShort flags, GXV_StateTable_GlyphOffsetCPtr glyphOffset_p, FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvmort1.c:135
static void gxv_mort_subtable_type1_substitutionTable_load(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvmort1.c:55
static void gxv_mort_subtable_type1_substTable_validate(FT_Bytes table, FT_Bytes limit, GXV_Validator gxvalid)
Definition: gxvmort1.c:183
GXV_StateTable_Entry_Validate_Func entry_validate_func
Definition: gxvcommn.h:185
GXV_StateTable_Subtable_Setup_Func subtable_setup_func
Definition: gxvcommn.h:184
GXV_GlyphOffset_Format entry_glyphoffset_fmt
Definition: gxvcommn.h:181
GXV_StateTable_OptData_Load_Func optdata_load_func
Definition: gxvcommn.h:186

Referenced by gxv_mort_subtables_validate().