charset.h ファイル

データ構造
struct	MCharset
struct	MCharsetISO2022Table

マクロ定義
#define	MCHARSET(charset_sym)
#define	CODE_POINT_TO_INDEX(charset, code)
#define	INDEX_TO_CODE_POINT(charset, idx)
#define	DECODE_CHAR(charset, code)
#define	ENCODE_CHAR(charset, c)
#define	ISO_MAX_DIMENSION   3
#define	ISO_MAX_CHARS   2
#define	ISO_MAX_FINAL   0x80
#define	MCHARSET_ISO_2022(dim, chars, final)    mcharset__iso_2022_table.classified[(dim) - 1][(chars) == 96][(final)]

列挙型
enum	mcharset_method {   MCHARSET_METHOD_OFFSET ,   MCHARSET_METHOD_MAP ,   MCHARSET_METHOD_DEFERRED ,   MCHARSET_METHOD_SUBSET ,   MCHARSET_METHOD_SUPERSET ,   MCHARSET_METHOD_MAX }

関数
MCharset *	mcharset__find (MSymbol name)
int	mcharset__decode_char (MCharset *charset, unsigned code)
unsigned	mcharset__encode_char (MCharset *charset, int c)
int	mcharset__load_from_database ()

変数
MPlist *	mcharset__cache
MCharset *	mcharset__ascii
MCharset *	mcharset__binary
MCharset *	mcharset__m17n
MCharset *	mcharset__unicode
MCharsetISO2022Table	mcharset__iso_2022_table

マクロ定義詳解

MCHARSET

#define MCHARSET

(

charset_sym

)

値:

  (((charset_sym) == MPLIST_KEY (mcharset__cache)       \
    || (MPLIST_KEY (mcharset__cache) = (charset_sym),       \
    MPLIST_VAL (mcharset__cache)                \
    = (MCharset *) msymbol_get ((charset_sym), Mcharset)))  \
   ? MPLIST_VAL (mcharset__cache)               \
   : mcharset__find (charset_sym))

CODE_POINT_TO_INDEX

#define CODE_POINT_TO_INDEX	(		charset,
			code
	)

値:

  ((charset)->no_code_gap                       \
   ? (code) - (charset)->min_code                   \
   : (((charset)->code_range_mask[(code) >> 24] & 0x8)          \
      && ((charset)->code_range_mask[((code) >> 16) & 0xFF] & 0x4)  \
      && ((charset)->code_range_mask[((code) >> 8) & 0xFF] & 0x2)   \
      && ((charset)->code_range_mask[(code) & 0xFF] & 0x1))     \
   ? (((((code) >> 24) - (charset)->code_range[12])         \
       * (charset)->code_range[11])                 \
      + (((((code) >> 16) & 0xFF) - (charset)->code_range[8])       \
     * (charset)->code_range[7])                    \
      + (((((code) >> 8) & 0xFF) - (charset)->code_range[4])        \
     * (charset)->code_range[3])                    \
      + (((code) & 0xFF) - (charset)->code_range[0])            \
      - ((charset)->min_code - (charset)->code_range_min_code))     \
   : -1)

INDEX_TO_CODE_POINT

#define INDEX_TO_CODE_POINT	(		charset,
			idx
	)

値:

  ((charset)->no_code_gap                            \
   ? (idx) + (charset)->min_code                         \
   : (idx += (charset)->min_code - (charset)->code_range_min_code,       \
      (((charset)->code_range[0] + (idx) % (charset)->code_range[2])         \
       | (((charset)->code_range[4]                      \
       + ((idx) / (charset)->code_range[3] % (charset)->code_range[6]))  \
      << 8)                                  \
       | (((charset)->code_range[8]                      \
       + ((idx) / (charset)->code_range[7] % (charset)->code_range[10])) \
      << 16)                                 \
       | (((charset)->code_range[12] + ((idx) / (charset)->code_range[11]))  \
      << 24))))

DECODE_CHAR

#define DECODE_CHAR	(		charset,
			code
	)

値:

  (((code) < 128 && (charset)->ascii_compatible)            \
   ? (int) (code)                           \
   : ((code) < (charset)->min_code || (code) > (charset)->max_code) \
   ? -1                                 \
   : ! (charset)->simple                        \
   ? mcharset__decode_char ((charset), (code))              \
   : (charset)->method == Moffset                   \
   ? (code) - (charset)->min_code + (charset)->min_char         \
   : (charset)->decoder[(code) - (charset)->min_code])

ENCODE_CHAR

#define ENCODE_CHAR	(		charset,
			c
	)

値:

  (! (charset)->simple                      \
   ? mcharset__encode_char ((charset), (c))         \
   : ((c) < (charset)->min_char || (c) > (charset)->max_char)   \
   ? MCHAR_INVALID_CODE                     \
   : (charset)->method == Moffset               \
   ? (c) - (charset)->min_char + (charset)->min_code        \
   : (unsigned) mchartable_lookup ((charset)->encoder, (c)))

ISO_MAX_DIMENSION

#define ISO_MAX_DIMENSION   3

ISO_MAX_CHARS

#define ISO_MAX_CHARS   2

ISO_MAX_FINAL

#define ISO_MAX_FINAL   0x80

MCHARSET_ISO_2022

#define MCHARSET_ISO_2022	(		dim,
			chars,
			final
	)		mcharset__iso_2022_table.classified[(dim) - 1][(chars) == 96][(final)]

列挙型詳解

mcharset_method

enum mcharset_method

列挙値
MCHARSET_METHOD_OFFSET
MCHARSET_METHOD_MAP
MCHARSET_METHOD_DEFERRED
MCHARSET_METHOD_SUBSET
MCHARSET_METHOD_SUPERSET
MCHARSET_METHOD_MAX

関数詳解

mcharset__find()

MCharset * mcharset__find

(

MSymbol

name

)

mcharset__decode_char()

int mcharset__decode_char	(	MCharset *	charset,
		unsigned	code
	)

mcharset__encode_char()

unsigned mcharset__encode_char	(	MCharset *	charset,
		int	c
	)

mcharset__load_from_database()

int mcharset__load_from_database

(

)

変数詳解

mcharset__cache

MPlist* mcharset__cache

extern

mcharset__ascii

MCharset* mcharset__ascii

extern

mcharset__binary

MCharset* mcharset__binary

extern

mcharset__m17n

MCharset* mcharset__m17n

extern

mcharset__unicode

MCharset* mcharset__unicode

extern

mcharset__iso_2022_table

MCharsetISO2022Table mcharset__iso_2022_table

extern