+static void
+print_byte_table (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
+{
+ Lisp_Byte_Table *bte = XBYTE_TABLE (obj);
+ int i;
+ struct gcpro gcpro1, gcpro2;
+ GCPRO2 (obj, printcharfun);
+
+ write_c_string ("\n#<byte-table", printcharfun);
+ for (i = 0; i < 256; i++)
+ {
+ Lisp_Object elt = bte->property[i];
+ if ( (i & 15) == 0 )
+ write_c_string ("\n ", printcharfun);
+ write_c_string (" ", printcharfun);
+ if (EQ (elt, Qunbound))
+ write_c_string ("void", printcharfun);
+ else
+ print_internal (elt, printcharfun, escapeflag);
+ }
+ UNGCPRO;
+ write_c_string (">", printcharfun);
+}
+
+static int
+byte_table_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
+{
+ Lisp_Byte_Table *cte1 = XBYTE_TABLE (obj1);
+ Lisp_Byte_Table *cte2 = XBYTE_TABLE (obj2);
+ int i;
+
+ for (i = 0; i < 256; i++)
+ if (BYTE_TABLE_P (cte1->property[i]))
+ {
+ if (BYTE_TABLE_P (cte2->property[i]))
+ {
+ if (!byte_table_equal (cte1->property[i],
+ cte2->property[i], depth + 1))
+ return 0;
+ }
+ else
+ return 0;
+ }
+ else
+ if (!internal_equal (cte1->property[i], cte2->property[i], depth + 1))
+ return 0;
+ return 1;
+}
+
+static unsigned long
+byte_table_hash (Lisp_Object obj, int depth)
+{
+ Lisp_Byte_Table *cte = XBYTE_TABLE (obj);
+
+ return internal_array_hash (cte->property, 256, depth);
+}
+
+static const struct lrecord_description byte_table_description[] = {
+ { XD_LISP_OBJECT_ARRAY, offsetof(Lisp_Byte_Table, property), 256 },
+ { XD_END }
+};
+
+DEFINE_LRECORD_IMPLEMENTATION ("byte-table", byte_table,
+ mark_byte_table,
+ print_byte_table,
+ 0, byte_table_equal,
+ byte_table_hash,
+ byte_table_description,
+ Lisp_Byte_Table);
+
+static Lisp_Object
+make_byte_table (Lisp_Object initval)
+{
+ Lisp_Object obj;
+ int i;
+ Lisp_Byte_Table *cte;
+
+ cte = alloc_lcrecord_type (Lisp_Byte_Table, &lrecord_byte_table);
+
+ for (i = 0; i < 256; i++)
+ cte->property[i] = initval;
+
+ XSETBYTE_TABLE (obj, cte);
+ return obj;
+}
+
+static int
+byte_table_same_value_p (Lisp_Object obj)
+{
+ Lisp_Byte_Table *bte = XBYTE_TABLE (obj);
+ Lisp_Object v0 = bte->property[0];
+ int i;
+
+ for (i = 1; i < 256; i++)
+ {
+ if (!internal_equal (bte->property[i], v0, 0))
+ return 0;
+ }
+ return -1;
+}
+
+
+Lisp_Object get_byte_table (Lisp_Object table, unsigned char idx);
+Lisp_Object put_byte_table (Lisp_Object table, unsigned char idx,
+ Lisp_Object value);
+
+Lisp_Object
+get_byte_table (Lisp_Object table, unsigned char idx)
+{
+ if (UINT8_BYTE_TABLE_P (table))
+ return UINT8_DECODE (XUINT8_BYTE_TABLE(table)->property[idx]);
+ else if (UINT16_BYTE_TABLE_P (table))
+ return UINT16_DECODE (XUINT16_BYTE_TABLE(table)->property[idx]);
+ else if (BYTE_TABLE_P (table))
+ return XBYTE_TABLE(table)->property[idx];
+ else
+ return table;
+}
+
+Lisp_Object
+put_byte_table (Lisp_Object table, unsigned char idx, Lisp_Object value)
+{
+ if (UINT8_BYTE_TABLE_P (table))
+ {
+ if (UINT8_VALUE_P (value))
+ {
+ XUINT8_BYTE_TABLE(table)->property[idx] = UINT8_ENCODE (value);
+ if (!UINT8_BYTE_TABLE_P (value) &&
+ !UINT16_BYTE_TABLE_P (value) && !BYTE_TABLE_P (value)
+ && uint8_byte_table_same_value_p (table))
+ {
+ return value;
+ }
+ }
+ else if (UINT16_VALUE_P (value))
+ {
+ Lisp_Object new = expand_uint8_byte_table_to_uint16 (table);
+
+ XUINT16_BYTE_TABLE(new)->property[idx] = UINT16_ENCODE (value);
+ return new;
+ }
+ else
+ {
+ Lisp_Object new = make_byte_table (Qnil);
+ int i;
+
+ for (i = 0; i < 256; i++)
+ {
+ XBYTE_TABLE(new)->property[i]
+ = UINT8_DECODE (XUINT8_BYTE_TABLE(table)->property[i]);
+ }
+ XBYTE_TABLE(new)->property[idx] = value;
+ return new;
+ }
+ }
+ else if (UINT16_BYTE_TABLE_P (table))
+ {
+ if (UINT16_VALUE_P (value))
+ {
+ XUINT16_BYTE_TABLE(table)->property[idx] = UINT16_ENCODE (value);
+ if (!UINT8_BYTE_TABLE_P (value) &&
+ !UINT16_BYTE_TABLE_P (value) && !BYTE_TABLE_P (value)
+ && uint16_byte_table_same_value_p (table))
+ {
+ return value;
+ }
+ }
+ else
+ {
+ Lisp_Object new = make_byte_table (Qnil);
+ int i;
+
+ for (i = 0; i < 256; i++)
+ {
+ XBYTE_TABLE(new)->property[i]
+ = UINT16_DECODE (XUINT16_BYTE_TABLE(table)->property[i]);
+ }
+ XBYTE_TABLE(new)->property[idx] = value;
+ return new;
+ }
+ }
+ else if (BYTE_TABLE_P (table))
+ {
+ XBYTE_TABLE(table)->property[idx] = value;
+ if (!UINT8_BYTE_TABLE_P (value) &&
+ !UINT16_BYTE_TABLE_P (value) && !BYTE_TABLE_P (value)
+ && byte_table_same_value_p (table))
+ {
+ return value;
+ }
+ }
+ else if (!internal_equal (table, value, 0))
+ {
+ if (UINT8_VALUE_P (table) && UINT8_VALUE_P (value))
+ {
+ table = make_uint8_byte_table (UINT8_ENCODE (table));
+ XUINT8_BYTE_TABLE(table)->property[idx] = UINT8_ENCODE (value);
+ }
+ else if (UINT16_VALUE_P (table) && UINT16_VALUE_P (value))
+ {
+ table = make_uint16_byte_table (UINT16_ENCODE (table));
+ XUINT16_BYTE_TABLE(table)->property[idx] = UINT16_ENCODE (value);
+ }
+ else
+ {
+ table = make_byte_table (table);
+ XBYTE_TABLE(table)->property[idx] = value;
+ }
+ }
+ return table;
+}
+
+static Lisp_Object
+mark_char_id_table (Lisp_Object obj)
+{
+ Lisp_Char_ID_Table *cte = XCHAR_ID_TABLE (obj);
+
+ return cte->table;
+}
+
+static void
+print_char_id_table (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
+{
+ Lisp_Object table = XCHAR_ID_TABLE (obj)->table;
+ int i;
+ struct gcpro gcpro1, gcpro2;
+ GCPRO2 (obj, printcharfun);
+
+ write_c_string ("#<char-id-table ", printcharfun);
+ for (i = 0; i < 256; i++)
+ {
+ Lisp_Object elt = get_byte_table (table, i);
+ if (i != 0) write_c_string ("\n ", printcharfun);
+ if (EQ (elt, Qunbound))
+ write_c_string ("void", printcharfun);
+ else
+ print_internal (elt, printcharfun, escapeflag);
+ }
+ UNGCPRO;
+ write_c_string (">", printcharfun);
+}
+
+static int
+char_id_table_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
+{
+ Lisp_Object table1 = XCHAR_ID_TABLE (obj1)->table;
+ Lisp_Object table2 = XCHAR_ID_TABLE (obj2)->table;
+ int i;
+
+ for (i = 0; i < 256; i++)
+ {
+ if (!internal_equal (get_byte_table (table1, i),
+ get_byte_table (table2, i), 0))
+ return 0;
+ }
+ return -1;
+}
+
+static unsigned long
+char_id_table_hash (Lisp_Object obj, int depth)
+{
+ Lisp_Char_ID_Table *cte = XCHAR_ID_TABLE (obj);
+
+ return char_id_table_hash (cte->table, depth + 1);
+}
+
+static const struct lrecord_description char_id_table_description[] = {
+ { XD_LISP_OBJECT, offsetof(Lisp_Char_ID_Table, table) },
+ { XD_END }
+};
+
+DEFINE_LRECORD_IMPLEMENTATION ("char-id-table", char_id_table,
+ mark_char_id_table,
+ print_char_id_table,
+ 0, char_id_table_equal,
+ char_id_table_hash,
+ char_id_table_description,
+ Lisp_Char_ID_Table);
+
+static Lisp_Object
+make_char_id_table (Lisp_Object initval)
+{
+ Lisp_Object obj;
+ Lisp_Char_ID_Table *cte;
+
+ cte = alloc_lcrecord_type (Lisp_Char_ID_Table, &lrecord_char_id_table);
+
+ cte->table = make_byte_table (initval);
+
+ XSETCHAR_ID_TABLE (obj, cte);
+ return obj;
+}
+
+
+Lisp_Object
+get_char_id_table (Emchar ch, Lisp_Object table)
+{
+ unsigned int code = ch;
+
+ return
+ get_byte_table
+ (get_byte_table
+ (get_byte_table
+ (get_byte_table
+ (XCHAR_ID_TABLE (table)->table,
+ (unsigned char)(code >> 24)),
+ (unsigned char) (code >> 16)),
+ (unsigned char) (code >> 8)),
+ (unsigned char) code);
+}
+
+void put_char_id_table (Emchar ch, Lisp_Object value, Lisp_Object table);
+void
+put_char_id_table (Emchar ch, Lisp_Object value, Lisp_Object table)
+{
+ unsigned int code = ch;
+ Lisp_Object table1, table2, table3, table4;
+
+ table1 = XCHAR_ID_TABLE (table)->table;
+ table2 = get_byte_table (table1, (unsigned char)(code >> 24));
+ table3 = get_byte_table (table2, (unsigned char)(code >> 16));
+ table4 = get_byte_table (table3, (unsigned char)(code >> 8));
+
+ table4 = put_byte_table (table4, (unsigned char)code, value);
+ table3 = put_byte_table (table3, (unsigned char)(code >> 8), table4);
+ table2 = put_byte_table (table2, (unsigned char)(code >> 16), table3);
+ XCHAR_ID_TABLE (table)->table
+ = put_byte_table (table1, (unsigned char)(code >> 24), table2);
+}
+
+
+Lisp_Object Vchar_attribute_hash_table;
+Lisp_Object Vcharacter_composition_table;
+Lisp_Object Vcharacter_variant_table;
+
+Lisp_Object Qideograph_daikanwa;
+Lisp_Object Q_decomposition;
+Lisp_Object Qucs;
+Lisp_Object Q_ucs;
+Lisp_Object Qcompat;
+Lisp_Object Qisolated;
+Lisp_Object Qinitial;
+Lisp_Object Qmedial;
+Lisp_Object Qfinal;
+Lisp_Object Qvertical;
+Lisp_Object QnoBreak;
+Lisp_Object Qfraction;
+Lisp_Object Qsuper;
+Lisp_Object Qsub;
+Lisp_Object Qcircle;
+Lisp_Object Qsquare;
+Lisp_Object Qwide;
+Lisp_Object Qnarrow;
+Lisp_Object Qsmall;
+Lisp_Object Qfont;
+
+Emchar to_char_id (Lisp_Object v, char* err_msg, Lisp_Object err_arg);
+
+Lisp_Object put_char_ccs_code_point (Lisp_Object character,
+ Lisp_Object ccs, Lisp_Object value);
+Lisp_Object remove_char_ccs (Lisp_Object character, Lisp_Object ccs);
+
+Emchar
+to_char_id (Lisp_Object v, char* err_msg, Lisp_Object err_arg)
+{
+ if (INTP (v))
+ return XINT (v);
+ if (CHARP (v))
+ return XCHAR (v);
+ else if (EQ (v, Qcompat))
+ return -1;
+ else if (EQ (v, Qisolated))
+ return -2;
+ else if (EQ (v, Qinitial))
+ return -3;
+ else if (EQ (v, Qmedial))
+ return -4;
+ else if (EQ (v, Qfinal))
+ return -5;
+ else if (EQ (v, Qvertical))
+ return -6;
+ else if (EQ (v, QnoBreak))
+ return -7;
+ else if (EQ (v, Qfraction))
+ return -8;
+ else if (EQ (v, Qsuper))
+ return -9;
+ else if (EQ (v, Qsub))
+ return -10;
+ else if (EQ (v, Qcircle))
+ return -11;
+ else if (EQ (v, Qsquare))
+ return -12;
+ else if (EQ (v, Qwide))
+ return -13;
+ else if (EQ (v, Qnarrow))
+ return -14;
+ else if (EQ (v, Qsmall))
+ return -15;
+ else if (EQ (v, Qfont))
+ return -16;
+ else
+ signal_simple_error (err_msg, err_arg);
+}
+
+DEFUN ("get-composite-char", Fget_composite_char, 1, 1, 0, /*
+Return character corresponding with list.
+*/
+ (list))
+{
+ Lisp_Object table = Vcharacter_composition_table;
+ Lisp_Object rest = list;
+
+ while (CONSP (rest))
+ {
+ Lisp_Object v = Fcar (rest);
+ Lisp_Object ret;
+ Emchar c = to_char_id (v, "Invalid value for composition", list);
+
+ ret = get_char_id_table (c, table);
+
+ rest = Fcdr (rest);
+ if (NILP (rest))
+ {
+ if (!CHAR_ID_TABLE_P (ret))
+ return ret;
+ else
+ return Qt;
+ }
+ else if (!CONSP (rest))
+ break;
+ else if (CHAR_ID_TABLE_P (ret))
+ table = ret;
+ else
+ signal_simple_error ("Invalid table is found with", list);
+ }
+ signal_simple_error ("Invalid value for composition", list);
+}
+
+DEFUN ("char-variants", Fchar_variants, 1, 1, 0, /*
+Return variants of CHARACTER.
+*/
+ (character))
+{
+ CHECK_CHAR (character);
+ return Fcopy_list (get_char_id_table (XCHAR (character),
+ Vcharacter_variant_table));
+}
+
+
+/* We store the char-attributes in hash tables with the names as the
+ key and the actual char-id-table object as the value. Occasionally
+ we need to use them in a list format. These routines provide us
+ with that. */
+struct char_attribute_list_closure
+{
+ Lisp_Object *char_attribute_list;
+};
+