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| author | Kenichi Handa <handa@m17n.org> | 1998-03-03 01:29:16 +0000 |
|---|---|---|
| committer | Kenichi Handa <handa@m17n.org> | 1998-03-03 01:29:16 +0000 |
| commit | 54e15bb98c80eb9cb09f32f708277ff67d4358c3 (patch) | |
| tree | 9a226e8dbd5f05d223bc98ef43bc19cc2c092fff /src | |
| parent | b98590074d53c9b510e344bc81d5ae47ceb8abfa (diff) | |
| download | emacs-54e15bb98c80eb9cb09f32f708277ff67d4358c3.tar.gz | |
(NONASCII_INSERT_OFFSET): New macro.
(VALID_MULTIBYTE_CHAR_P): New macro.
Diffstat (limited to 'src')
| -rw-r--r-- | src/charset.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/charset.h b/src/charset.h index 12bc02e48aa..86f81fc89e8 100644 --- a/src/charset.h +++ b/src/charset.h @@ -475,6 +475,29 @@ extern int width_by_char_head[256]; ((c) >= 0 \ && (SINGLE_BYTE_CHAR_P (c) || char_valid_p (c, genericp))) +/* This default value is used when nonascii-translate-table or + nonascii-insert-offset fail to convert unibyte character to a valid + multibyte character. This makes a Latin-1 character. */ + +#define DEFAULT_NONASCII_INSERT_OFFSET 0x800 + +/* Check if the character C is valid as a multibyte character. */ + +#define VALID_MULTIBYTE_CHAR_P(c) \ + ((c) < MIN_CHAR_OFFICIAL_DIMENSION2 \ + ? (!NILP (XCHAR_TABLE (Vcharset_table)->contents[CHAR_FIELD2 (c) \ + + 0xF0]) \ + && CHAR_FIELD3 (c) >= 32) \ + : ((c) < MIN_CHAR_PRIVATE_DIMENSION2 \ + ? (!NILP (XCHAR_TABLE (Vcharset_table)->contents[CHAR_FIELD1 (c) \ + + 0x10F]) \ + && CHAR_FIELD2 (c) >= 32 && CHAR_FIELD3 (c) >= 32) \ + : ((c) < MIN_CHAR_COMPOSITION \ + ? (!NILP (XCHAR_TABLE (Vcharset_table)->contents[CHAR_FIELD1 (c) \ + + 0x160]) \ + && CHAR_FIELD2 (c) >= 32 && CHAR_FIELD3 (c) >= 32) \ + : (c) < MIN_CHAR_COMPOSITION + n_cmpchars))) + /* The charset of non-ASCII character C is stored in CHARSET, and the position-codes of C are stored in C1 and C2. We store -1 in C2 if the character is just 2 bytes. |