From 97db4061be5b7d6788a853fb737da060625bf804 Mon Sep 17 00:00:00 2001
From: tomo <tomo>
Date: Sat, 4 Sep 1999 08:30:38 +0000
Subject: [PATCH] New files.

---
 src/mb-1byte.h     |   46 +++++++++++++++++++++++++++
 src/mb-multibyte.h |   89 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 135 insertions(+)
 create mode 100644 src/mb-1byte.h
 create mode 100644 src/mb-multibyte.h

diff --git a/src/mb-1byte.h b/src/mb-1byte.h
new file mode 100644
index 0000000..44e9b19
--- /dev/null
+++ b/src/mb-1byte.h
@@ -0,0 +1,46 @@
+/* Header for 1-byte string representation.
+   Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
+   Licensed to the Free Software Foundation.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+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_MB_1BYTE_H
+#define _XEMACS_MB_1BYTE_H
+
+/* Maximum number of buffer bytes per Emacs character. */
+# define MAX_EMCHAR_LEN 1
+
+/* ---------------------------------------------------------------------- */
+/* (A) For working with charptr's (pointers to internally-formatted text) */
+/* ---------------------------------------------------------------------- */
+
+#define VALID_CHARPTR_P(ptr) 1
+#define VALIDATE_CHARPTR_BACKWARD(ptr)
+#define VALIDATE_CHARPTR_FORWARD(ptr)
+
+/* -------------------------------------------------------------------- */
+/* (C) For retrieving or changing the character pointed to by a charptr */
+/* -------------------------------------------------------------------- */
+
+#define charptr_emchar(ptr)		((Emchar) (ptr)[0])
+#define set_charptr_emchar(ptr, x)	((ptr)[0] = (Bufbyte) (x), 1)
+#define charptr_copy_char(ptr, ptr2)	((ptr2)[0] = *(ptr), 1)
+
+#endif /* _XEMACS_MB_1BYTE_H */
diff --git a/src/mb-multibyte.h b/src/mb-multibyte.h
new file mode 100644
index 0000000..69f137c
--- /dev/null
+++ b/src/mb-multibyte.h
@@ -0,0 +1,89 @@
+/* Header for generic multibyte string representation.
+   Copyright (C) 1999 Electrotechnical Laboratory, JAPAN.
+   Licensed to the Free Software Foundation.
+
+This file is part of XEmacs.
+
+XEmacs is free software; you can redistribute it and/or modify it
+under the terms of the GNU General Public License as published by the
+Free Software Foundation; either version 2, or (at your option) any
+later version.
+
+XEmacs is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+for more details.
+
+You should have received a copy of the GNU General Public License
+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_MB_MULTIBYTE_H
+#define _XEMACS_MB_MULTIBYTE_H
+
+/* ---------------------------------------------------------------------- */
+/* (A) For working with charptr's (pointers to internally-formatted text) */
+/* ---------------------------------------------------------------------- */
+
+# define VALID_CHARPTR_P(ptr) BUFBYTE_FIRST_BYTE_P (* (unsigned char *) ptr)
+
+#define VALIDATE_CHARPTR_BACKWARD(ptr) do {	\
+  while (!VALID_CHARPTR_P (ptr)) ptr--;		\
+} while (0)
+
+/* This needs to be trickier to avoid the possibility of running off
+   the end of the string. */
+
+#define VALIDATE_CHARPTR_FORWARD(ptr) do {	\
+  Bufbyte *vcf_ptr = (ptr);			\
+  VALIDATE_CHARPTR_BACKWARD (vcf_ptr);		\
+  if (vcf_ptr != (ptr))				\
+    {						\
+      (ptr) = vcf_ptr;				\
+      INC_CHARPTR (ptr);			\
+    }						\
+} while (0)
+
+/* -------------------------------------------------------------------- */
+/* (C) For retrieving or changing the character pointed to by a charptr */
+/* -------------------------------------------------------------------- */
+
+#define simple_charptr_emchar(ptr)		((Emchar) (ptr)[0])
+#define simple_set_charptr_emchar(ptr, x)	((ptr)[0] = (Bufbyte) (x), 1)
+#define simple_charptr_copy_char(ptr, ptr2)	((ptr2)[0] = *(ptr), 1)
+
+Emchar non_ascii_charptr_emchar (CONST Bufbyte *ptr);
+Bytecount non_ascii_set_charptr_emchar (Bufbyte *ptr, Emchar c);
+Bytecount non_ascii_charptr_copy_char (CONST Bufbyte *ptr, Bufbyte *ptr2);
+
+INLINE Emchar charptr_emchar (CONST Bufbyte *ptr);
+INLINE Emchar
+charptr_emchar (CONST Bufbyte *ptr)
+{
+  return BYTE_ASCII_P (*ptr) ?
+    simple_charptr_emchar (ptr) :
+    non_ascii_charptr_emchar (ptr);
+}
+
+INLINE Bytecount set_charptr_emchar (Bufbyte *ptr, Emchar x);
+INLINE Bytecount
+set_charptr_emchar (Bufbyte *ptr, Emchar x)
+{
+  return !CHAR_MULTIBYTE_P (x) ?
+    simple_set_charptr_emchar (ptr, x) :
+    non_ascii_set_charptr_emchar (ptr, x);
+}
+
+INLINE Bytecount charptr_copy_char (CONST Bufbyte *ptr, Bufbyte *ptr2);
+INLINE Bytecount
+charptr_copy_char (CONST Bufbyte *ptr, Bufbyte *ptr2)
+{
+  return BYTE_ASCII_P (*ptr) ?
+    simple_charptr_copy_char (ptr, ptr2) :
+    non_ascii_charptr_copy_char (ptr, ptr2);
+}
+
+#endif /* _XEMACS_MB_MULTIBYTE_H */
-- 
1.7.10.4