X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=src%2Fcharacter.h;h=94fa286b5a025c03d22f3d2deab6103cd1a76b26;hb=37bdb8647edead5a0e669c6ec27841d470a9e5e6;hp=f7befb461f9dd898b86c004eef5f59e33946cc0f;hpb=26f53aa30d4a69fd1e621e7f9fe9d3701009bc1a;p=chise%2Fxemacs-chise.git

diff --git a/src/character.h b/src/character.h
index f7befb4..94fa286 100644
--- a/src/character.h
+++ b/src/character.h
@@ -1,6 +1,5 @@
-/* Header for UCS-4 character representation.
-   Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
-   Licensed to the Free Software Foundation.
+/* Header for character representation.
+   Copyright (C) 1999,2000 MORIOKA Tomohiko
 
 This file is part of XEmacs.
 
@@ -19,8 +18,6 @@ along with XEmacs; see the file COPYING.  If not, write to
 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */
 
-/* Rewritten by MORIOKA Tomohiko <tomo@m17n.org>. */
-
 #ifndef _XEMACS_CHARACTER_H
 #define _XEMACS_CHARACTER_H
 
@@ -32,4 +29,117 @@ Boston, MA 02111-1307, USA.  */
 # include "char-ucs.h"
 #endif /* CHAR_IS_UCS4 */
 
+/********************************/
+/*                              */
+/*   Interface for characters   */
+/*                              */
+/********************************/
+/*
+   valid_char_p (ch):
+	Return whether the given Emchar is valid.
+
+   CHARP (ch):
+	Return whether the given Lisp_Object is a character.
+
+   CHECK_CHAR_COERCE_INT (ch):
+	Signal an error if CH is not a valid character or integer
+	Lisp_Object.
+	If CH is an integer Lisp_Object, convert it to a character
+	Lisp_Object, but merely by repackaging, without performing
+	tests for char validity.
+
+Functions/macros when MULE is defined:
+
+   CHAR_ASCII_P (ch):
+        Return whether the given Emchar is ASCII.
+
+   MAKE_CHAR (CHARSET, B1, B2):
+	Return a character whose coded-charset is CHARSET and
+	position-codes are B1 and B2.  1 byte character ignores B2.
+
+   BREAKUP_CHAR (ch, charset, B1, B2):
+	Break up the given Emchar, and store found coded-charset and
+	position-codes to CHARSET, B1 and B2.
+
+   CHAR_CHARSET (CH):
+        Return coded-charset object of Emchar CH.
+
+   CHAR_LEADING_BYTE (CH):
+        Return Charset-ID of Emchar CH.
+*/
+
+#define CHAR_INTP(x) (INTP (x) && valid_char_p (XINT (x)))
+
+#define CHAR_OR_CHAR_INTP(x) (CHARP (x) || CHAR_INTP (x))
+
+INLINE_HEADER Emchar XCHAR_OR_CHAR_INT (Lisp_Object obj);
+INLINE_HEADER Emchar
+XCHAR_OR_CHAR_INT (Lisp_Object obj)
+{
+  return CHARP (obj) ? XCHAR (obj) : XINT (obj);
+}
+
+#define CHECK_CHAR_COERCE_INT(x) do {		\
+  if (CHARP (x))				\
+     ;						\
+  else if (CHAR_INTP (x))			\
+    x = make_char (XINT (x));			\
+  else						\
+    x = wrong_type_argument (Qcharacterp, x);	\
+} while (0)
+
+
+#define CHARC_CHARSET(cc)	((cc).charset)
+#define CHARC_CHARSET_ID(cc)	XCHARSET_ID (CHARC_CHARSET (cc))
+#define CHARC_CODE_POINT(cc)	((cc).code_point)
+#define CHARC_COLUMNS(cc)	CHARSET_COLUMNS (XCHARSET (CHARC_CHARSET (cc)))
+
+INLINE_HEADER Emchar CHARC_TO_CHAR (Charc cc);
+INLINE_HEADER Emchar
+CHARC_TO_CHAR (Charc cc)
+{
+  return DECODE_CHAR (cc.charset, cc.code_point);
+}
+
+INLINE_HEADER int CHARC_EQ (Charc cc1, Charc cc2);
+INLINE_HEADER int
+CHARC_EQ (Charc cc1, Charc cc2)
+{
+  return EQ (cc1.charset, cc2.charset) && (cc1.code_point == cc2.code_point);
+}
+
+INLINE_HEADER int CHARC_ASCII_EQ (Charc cc, int ch);
+INLINE_HEADER int
+CHARC_ASCII_EQ (Charc cc, int ch)
+{
+  return EQ (cc.charset, Vcharset_ascii) && (cc.code_point == ch);
+}
+
+INLINE_HEADER int CHARC_IS_SPACE (Charc cc);
+INLINE_HEADER int
+CHARC_IS_SPACE (Charc cc)
+{
+  return (EQ (cc.charset, Vcharset_ascii) ||
+	  EQ (cc.charset, Vcharset_control_1) ||
+	  EQ (cc.charset, Vcharset_latin_iso8859_1))
+    && isspace (cc.code_point);
+}
+
+INLINE_HEADER Charc ASCII_TO_CHARC (int ch);
+INLINE_HEADER Charc
+ASCII_TO_CHARC (int ch)
+{
+  Charc cc;
+
+  cc.charset = Vcharset_ascii;
+  cc.code_point = ch;
+  return cc;
+}
+
+
+typedef struct
+{
+  Dynarr_declare (Charc);
+} Charc_dynarr;
+
 #endif /* _XEMACS_CHARACTER_H */