/* Header for UCS-4 character representation.
- Copyright (C) 1999,2000,2001 MORIOKA Tomohiko
+ Copyright (C) 1999,2000,2001,2002 MORIOKA Tomohiko
This file is part of XEmacs.
#include "chartab.h"
#include "elhash.h"
+EXFUN (Fmake_directory_internal, 1);
+
extern Lisp_Object Vchar_attribute_hash_table;
#define valid_char_p(ch) 1
#define CHARSET_MOTHER(cs) ((cs)->mother)
#define CHARSET_CONVERSION(cs) ((cs)->conversion)
+INLINE_HEADER int CHARSET_BYTE_SIZE (Lisp_Charset* cs);
+INLINE_HEADER int
+CHARSET_BYTE_SIZE (Lisp_Charset* cs)
+{
+ /* ad-hoc method for `ascii' */
+ if ((CHARSET_CHARS (cs) == 94) &&
+ (CHARSET_BYTE_OFFSET (cs) != 33))
+ return 128 - CHARSET_BYTE_OFFSET (cs);
+ else
+ return CHARSET_CHARS (cs);
+}
+
INLINE_HEADER Lisp_Object CHARSET_ENCODING_TABLE (Lisp_Charset* cs);
INLINE_HEADER Lisp_Object
CHARSET_ENCODING_TABLE (Lisp_Charset* cs)
#define XCHARSET_CCL_PROGRAM(cs) CHARSET_CCL_PROGRAM (XCHARSET (cs))
#define XCHARSET_DIMENSION(cs) CHARSET_DIMENSION (XCHARSET (cs))
#define XCHARSET_CHARS(cs) CHARSET_CHARS (XCHARSET (cs))
+#define XCHARSET_BYTE_SIZE(cs) CHARSET_BYTE_SIZE (XCHARSET (cs))
#define XCHARSET_REVERSE_DIRECTION_CHARSET(cs) \
CHARSET_REVERSE_DIRECTION_CHARSET (XCHARSET (cs))
#define XCHARSET_DECODING_TABLE(cs) CHARSET_DECODING_TABLE(XCHARSET(cs))
extern Lisp_Object Vcharset_chinese_big5_1;
extern Lisp_Object Vcharset_chinese_big5_2;
-int decoding_table_check_elements (Lisp_Object v, int dim, int ccs_len);
-
-INLINE_HEADER void
-decoding_table_remove_char (Lisp_Object ccs, int code_point);
-INLINE_HEADER void
-decoding_table_remove_char (Lisp_Object ccs, int code_point)
+INLINE_HEADER Lisp_Object
+get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code);
+INLINE_HEADER Lisp_Object
+get_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code)
{
- Lisp_Object v = XCHARSET_DECODING_TABLE (ccs);
- int dim = XCHARSET_DIMENSION (ccs);
int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
- int i = -1;
- while (dim > 0)
+ if (VECTORP (table))
{
- Lisp_Object nv;
+ int idx = code - byte_offset;
- dim--;
- i = ((code_point >> (8 * dim)) & 255) - byte_offset;
- nv = XVECTOR_DATA(v)[i];
- if (!VECTORP (nv))
- break;
- v = nv;
+ if (idx < XVECTOR_LENGTH(table))
+ return XVECTOR_DATA(table)[idx];
+ else
+ return Qunbound;
+ }
+ else
+ return table;
+}
+
+INLINE_HEADER Lisp_Object
+put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
+ Lisp_Object value);
+INLINE_HEADER Lisp_Object
+put_ccs_octet_table (Lisp_Object table, Lisp_Object ccs, int code,
+ Lisp_Object value)
+{
+ int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
+ int ccs_len = XCHARSET_BYTE_SIZE (ccs);
+
+ if (VECTORP (table))
+ {
+ XVECTOR_DATA(table)[code - byte_offset] = value;
+ return table;
+ }
+ else if (EQ (table, value))
+ return table;
+ else
+ {
+ table = make_vector (ccs_len, table);
+ XVECTOR_DATA(table)[code - byte_offset] = value;
+ return table;
}
- if (i >= 0)
- XVECTOR_DATA(v)[i] = Qnil;
}
INLINE_HEADER void
decoding_table_put_char (Lisp_Object ccs,
int code_point, Lisp_Object character)
{
+#if 1
+ Lisp_Object table1 = XCHARSET_DECODING_TABLE (ccs);
+ int dim = XCHARSET_DIMENSION (ccs);
+
+ if (dim == 1)
+ XCHARSET_DECODING_TABLE (ccs)
+ = put_ccs_octet_table (table1, ccs, code_point, character);
+ else if (dim == 2)
+ {
+ Lisp_Object table2
+ = get_ccs_octet_table (table1, ccs, (unsigned char)(code_point >> 8));
+
+ table2 = put_ccs_octet_table (table2, ccs,
+ (unsigned char)code_point, character);
+ XCHARSET_DECODING_TABLE (ccs)
+ = put_ccs_octet_table (table1, ccs,
+ (unsigned char)(code_point >> 8), table2);
+ }
+ else if (dim == 3)
+ {
+ Lisp_Object table2
+ = get_ccs_octet_table (table1, ccs, (unsigned char)(code_point >> 16));
+ Lisp_Object table3
+ = get_ccs_octet_table (table2, ccs, (unsigned char)(code_point >> 8));
+
+ table3 = put_ccs_octet_table (table3, ccs,
+ (unsigned char)code_point, character);
+ table2 = put_ccs_octet_table (table2, ccs,
+ (unsigned char)(code_point >> 8), table3);
+ XCHARSET_DECODING_TABLE (ccs)
+ = put_ccs_octet_table (table1, ccs,
+ (unsigned char)(code_point >> 16), table2);
+ }
+ else /* if (dim == 4) */
+ {
+ Lisp_Object table2
+ = get_ccs_octet_table (table1, ccs, (unsigned char)(code_point >> 24));
+ Lisp_Object table3
+ = get_ccs_octet_table (table2, ccs, (unsigned char)(code_point >> 16));
+ Lisp_Object table4
+ = get_ccs_octet_table (table3, ccs, (unsigned char)(code_point >> 8));
+
+ table4 = put_ccs_octet_table (table4, ccs,
+ (unsigned char)code_point, character);
+ table3 = put_ccs_octet_table (table3, ccs,
+ (unsigned char)(code_point >> 8), table4);
+ table2 = put_ccs_octet_table (table2, ccs,
+ (unsigned char)(code_point >> 16), table3);
+ XCHARSET_DECODING_TABLE (ccs)
+ = put_ccs_octet_table (table1, ccs,
+ (unsigned char)(code_point >> 24), table2);
+ }
+#else
Lisp_Object v = XCHARSET_DECODING_TABLE (ccs);
int dim = XCHARSET_DIMENSION (ccs);
int byte_offset = XCHARSET_BYTE_OFFSET (ccs);
if (dim > 0)
{
if (!VECTORP (nv))
- nv = (XVECTOR_DATA(v)[i] = make_vector (ccs_len, Qnil));
+ {
+ if (EQ (nv, character))
+ return;
+ else
+ nv = (XVECTOR_DATA(v)[i] = make_vector (ccs_len, Qnil));
+ }
v = nv;
}
else
break;
}
XVECTOR_DATA(v)[i] = character;
+#endif
}
+INLINE_HEADER void
+decoding_table_remove_char (Lisp_Object ccs, int code_point);
+INLINE_HEADER void
+decoding_table_remove_char (Lisp_Object ccs, int code_point)
+{
+ decoding_table_put_char (ccs, code_point, Qunbound);
+}
+
+#ifdef HAVE_DATABASE
+Emchar load_char_decoding_entry_maybe (Lisp_Object ccs, int code_point);
+#endif
+
INLINE_HEADER Emchar
DECODE_DEFINED_CHAR (Lisp_Object charset, int code_point);
INLINE_HEADER Emchar
-DECODE_DEFINED_CHAR (Lisp_Object charset, int code_point)
+DECODE_DEFINED_CHAR (Lisp_Object ccs, int code_point)
{
- int dim = XCHARSET_DIMENSION (charset);
- Lisp_Object decoding_table = XCHARSET_DECODING_TABLE (charset);
- int idx;
- Lisp_Object ch;
+ int dim = XCHARSET_DIMENSION (ccs);
+ Lisp_Object decoding_table = XCHARSET_DECODING_TABLE (ccs);
while (dim > 0)
{
dim--;
- if ( VECTORP (decoding_table)
- && ( 0 <= (idx = ((code_point >> (dim * 8))
- & 255) - XCHARSET_BYTE_OFFSET (charset)) )
- && ( idx < XVECTOR_LENGTH (decoding_table) )
- && !NILP (ch = XVECTOR_DATA(decoding_table)[idx]) )
- {
- if (CHARP (ch))
- return XCHAR (ch);
- else
- decoding_table = ch;
- }
- else
- break;
+ decoding_table
+ = get_ccs_octet_table (decoding_table, ccs,
+ (code_point >> (dim * 8)) & 255);
}
- return -1;
+ if (CHARP (decoding_table))
+ return XCHAR (decoding_table);
+#ifdef HAVE_DATABASE
+ if (EQ (decoding_table, Qunloaded) ||
+ EQ (decoding_table, Qunbound) ||
+ NILP (decoding_table) )
+ {
+ return load_char_decoding_entry_maybe (ccs, code_point);
+ }
+#endif
+ else
+ return -1;
}
INLINE_HEADER Emchar DECODE_CHAR (Lisp_Object charset, int code_point);
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