ftvalid.h File Reference

#include <ft2build.h>

Include dependency graph for ftvalid.h:

Go to the source code of this file.

Classes
struct	FT_ValidatorRec_

Macros
#define	FT_VALIDATOR(x)   ( (FT_Validator)( x ) )
#define	FT_INVALID(_error)   FT_INVALID_( _error )
#define	FT_INVALID_(_error)    ft_validator_error( valid, FT_THROW( _error ) )
#define	FT_INVALID_TOO_SHORT    FT_INVALID( Invalid_Table )
#define	FT_INVALID_OFFSET    FT_INVALID( Invalid_Offset )
#define	FT_INVALID_FORMAT    FT_INVALID( Invalid_Table )
#define	FT_INVALID_GLYPH_ID    FT_INVALID( Invalid_Glyph_Index )
#define	FT_INVALID_DATA    FT_INVALID( Invalid_Table )

Typedefs
typedef typedefFT_BEGIN_HEADER struct FT_ValidatorRec_ volatile *	FT_Validator
typedef enum FT_ValidationLevel_	FT_ValidationLevel
typedef struct FT_ValidatorRec_	FT_ValidatorRec

Enumerations
enum	FT_ValidationLevel_ { FT_VALIDATE_DEFAULT = 0 , FT_VALIDATE_TIGHT , FT_VALIDATE_PARANOID }

Functions
	ft_validator_init (FT_Validator valid, const FT_Byte *base, const FT_Byte *limit, FT_ValidationLevel level)
	ft_validator_run (FT_Validator valid)
	ft_validator_error (FT_Validator valid, FT_Error error)

Macro Definition Documentation

FT_INVALID

#define FT_INVALID

(

_error

)

FT_INVALID_( _error )

Definition at line 129 of file ftvalid.h.

FT_INVALID_

#define FT_INVALID_

(

_error

)

ft_validator_error( valid, FT_THROW( _error ) )

Definition at line 130 of file ftvalid.h.

FT_INVALID_DATA

#define FT_INVALID_DATA    FT_INVALID( Invalid_Table )

Definition at line 150 of file ftvalid.h.

FT_INVALID_FORMAT

#define FT_INVALID_FORMAT    FT_INVALID( Invalid_Table )

Definition at line 142 of file ftvalid.h.

FT_INVALID_GLYPH_ID

#define FT_INVALID_GLYPH_ID    FT_INVALID( Invalid_Glyph_Index )

Definition at line 146 of file ftvalid.h.

FT_INVALID_OFFSET

#define FT_INVALID_OFFSET    FT_INVALID( Invalid_Offset )

Definition at line 138 of file ftvalid.h.

FT_INVALID_TOO_SHORT

#define FT_INVALID_TOO_SHORT    FT_INVALID( Invalid_Table )

Definition at line 134 of file ftvalid.h.

FT_VALIDATOR

#define FT_VALIDATOR

(

x

)

( (FT_Validator)( x ) )

Definition at line 103 of file ftvalid.h.

Typedef Documentation

FT_ValidationLevel

typedef enum FT_ValidationLevel_ FT_ValidationLevel

FT_Validator

typedef typedefFT_BEGIN_HEADER struct FT_ValidatorRec_ volatile* FT_Validator

Definition at line 42 of file ftvalid.h.

FT_ValidatorRec

typedef struct FT_ValidatorRec_ FT_ValidatorRec

Enumeration Type Documentation

FT_ValidationLevel_

enum FT_ValidationLevel_

Enumerator
FT_VALIDATE_DEFAULT
FT_VALIDATE_TIGHT
FT_VALIDATE_PARANOID

Definition at line 70 of file ftvalid.h.

  {
    FT_VALIDATE_DEFAULT = 0,
    FT_VALIDATE_TIGHT,
    FT_VALIDATE_PARANOID
 
  } FT_ValidationLevel;

Function Documentation

ft_validator_error()

ft_validator_error	(	FT_Validator	valid,
		FT_Error	error
	)

Definition at line 157 of file ftobjs.c.

  {
    /* since the cast below also disables the compiler's */
    /* type check, we introduce a dummy variable, which  */
    /* will be optimized away                            */
    volatile ft_jmp_buf* jump_buffer = &valid->jump_buffer;
 
 
    valid->error = error;
 
    /* throw away volatileness; use `jump_buffer' or the  */
    /* compiler may warn about an unused local variable   */
    ft_longjmp( *(ft_jmp_buf*) jump_buffer, 1 );
  }

ft_validator_init()

ft_validator_init	(	FT_Validator	valid,
		const FT_Byte *	base,
		const FT_Byte *	limit,
		FT_ValidationLevel	level
	)

Definition at line 134 of file ftobjs.c.

  {
    valid->base  = base;
    valid->limit = limit;
    valid->level = level;
    valid->error = FT_Err_Ok;
  }

Referenced by classic_kern_validate(), otv_validate(), and tt_face_build_cmaps().

ft_validator_run()

ft_validator_run

(

FT_Validator

valid

)

Definition at line 147 of file ftobjs.c.

  {
    /* This function doesn't work!  None should call it. */
    FT_UNUSED( valid );
 
    return -1;
  }