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Code Issues Releases Activity

(char_table_ref_and_index): New function.

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This commit is contained in:
Kenichi Handa 2000-07-27 06:02:29 +00:00
parent 05e6f5dcf6
commit 2f729392ec
1 changed files with 35 additions and 0 deletions
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35
src/fns.c
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@ -2427,6 +2427,41 @@ The key is always a possible IDX argument to `aref'.")
map_char_table (NULL, function, char_table, char_table, 0, indices);
return Qnil;
}
/* Return a value for character C in char-table TABLE. Store the
actual index for that value in *IDX. Ignore the default value of
TABLE. */
Lisp_Object
char_table_ref_and_index (table, c, idx)
Lisp_Object table;
int c, *idx;
{
int charset, c1, c2;
Lisp_Object elt;
if (SINGLE_BYTE_CHAR_P (c))
{
*idx = c;
return XCHAR_TABLE (table)->contents[c];
}
SPLIT_CHAR (c, charset, c1, c2);
elt = XCHAR_TABLE (table)->contents[charset + 128];
*idx = MAKE_CHAR (charset, 0, 0);
if (!SUB_CHAR_TABLE_P (elt))
return elt;
if (c1 < 32 || NILP (XCHAR_TABLE (elt)->contents[c1]))
return XCHAR_TABLE (elt)->defalt;
elt = XCHAR_TABLE (elt)->contents[c1];
*idx = MAKE_CHAR (charset, c1, 0);
if (!SUB_CHAR_TABLE_P (elt))
return elt;
if (c2 < 32 || NILP (XCHAR_TABLE (elt)->contents[c2]))
return XCHAR_TABLE (elt)->defalt;
*idx = c;
return XCHAR_TABLE (elt)->contents[c2];
}
/* ARGSUSED */
Lisp_Object