Merge GB 12345 code points.

[chise/xemacs-chise.git] / src / multibyte.h

diff --git a/src/multibyte.h b/src/multibyte.h
index fd69a24..4468a3b 100644 (file)
--- a/src/multibyte.h
+++ b/src/multibyte.h
@@ -124,19 +124,13 @@ Boston, MA 02111-1307, USA.  */
 #elif defined(MULE)
 # include "mb-lb.h"
 #else
-# define MAX_EMCHAR_LEN 1
+# include "mb-1byte.h"
 #endif
 
 /* ---------------------------------------------------------------------- */
 /* (A) For working with charptr's (pointers to internally-formatted text) */
 /* ---------------------------------------------------------------------- */
 
-#ifdef MULTIBYTE
-# define VALID_CHARPTR_P(ptr) BUFBYTE_FIRST_BYTE_P (* (unsigned char *) ptr)
-#else
-# define VALID_CHARPTR_P(ptr) 1
-#endif
-
 #ifdef ERROR_CHECK_BUFPOS
 # define ASSERT_VALID_CHARPTR(ptr) assert (VALID_CHARPTR_P (ptr))
 #else
@@ -153,7 +147,7 @@ Boston, MA 02111-1307, USA.  */
 #define REAL_INC_CHARPTR(ptr) \
   ((void) ((ptr) += REP_BYTES_BY_FIRST_BYTE (* (unsigned char *) (ptr))))
 
-#define REAL_INC_CHARBYTIND(ptr,pos) \
+#define REAL_INC_CHARBYTIND(ptr, pos) \
   (pos += REP_BYTES_BY_FIRST_BYTE (* (unsigned char *) (ptr)))
 
 #define REAL_DEC_CHARPTR(ptr) do {     \
@@ -166,58 +160,35 @@ Boston, MA 02111-1307, USA.  */
   REAL_INC_CHARPTR (ptr);              \
 } while (0)
 
-#define INC_CHARBYTIND(ptr,pos) do {           \
-  ASSERT_VALID_CHARPTR (ptr);          \
-  REAL_INC_CHARBYTIND (ptr,pos);               \
+#define INC_CHARBYTIND(ptr, pos) do {          \
+  ASSERT_VALID_CHARPTR (ptr);                  \
+  REAL_INC_CHARBYTIND (ptr, pos);              \
 } while (0)
 
 #define DEC_CHARPTR(ptr) do {                  \
-  CONST Bufbyte *dc_ptr1 = (ptr);              \
-  CONST Bufbyte *dc_ptr2 = dc_ptr1;            \
+  const Bufbyte *dc_ptr1 = (ptr);              \
+  const Bufbyte *dc_ptr2 = dc_ptr1;            \
   REAL_DEC_CHARPTR (dc_ptr2);                  \
   assert (dc_ptr1 - dc_ptr2 ==                 \
          REP_BYTES_BY_FIRST_BYTE (*dc_ptr2));  \
-  (ptr) = dc_ptr2;                             \
+  (ptr) = (Bufbyte *) dc_ptr2;                 \
 } while (0)
 
 #else /* ! ERROR_CHECK_BUFPOS */
-#define INC_CHARBYTIND(ptr,pos) REAL_INC_CHARBYTIND (ptr,pos)
+#define INC_CHARBYTIND(ptr, pos) REAL_INC_CHARBYTIND (ptr, pos)
 #define INC_CHARPTR(ptr) REAL_INC_CHARPTR (ptr)
 #define DEC_CHARPTR(ptr) REAL_DEC_CHARPTR (ptr)
 #endif /* ! ERROR_CHECK_BUFPOS */
 
-#ifdef MULTIBYTE
-
-#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)
-
-#else /* not MULTIBYTE */
-#define VALIDATE_CHARPTR_BACKWARD(ptr)
-#define VALIDATE_CHARPTR_FORWARD(ptr)
-#endif /* not MULTIBYTE */
-
 /* -------------------------------------------------------------- */
 /* (B) For working with the length (in bytes and characters) of a */
 /*     section of internally-formatted text                      */
 /* -------------------------------------------------------------- */
 
-INLINE CONST Bufbyte *charptr_n_addr (CONST Bufbyte *ptr, Charcount offset);
-INLINE CONST Bufbyte *
-charptr_n_addr (CONST Bufbyte *ptr, Charcount offset)
+INLINE_HEADER const Bufbyte *
+charptr_n_addr (const Bufbyte *ptr, Charcount offset);
+INLINE_HEADER const Bufbyte *
+charptr_n_addr (const Bufbyte *ptr, Charcount offset)
 {
   return ptr + charcount_to_bytecount (ptr, offset);
 }
@@ -226,51 +197,6 @@ charptr_n_addr (CONST Bufbyte *ptr, Charcount offset)
 /* (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)
-
-#ifdef MULTIBYTE
-
-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);
-}
-
-#else /* not MULE */
-
-# define charptr_emchar(ptr)           simple_charptr_emchar (ptr)
-# define set_charptr_emchar(ptr, x)    simple_set_charptr_emchar (ptr, x)
-# define charptr_copy_char(ptr, ptr2)  simple_charptr_copy_char (ptr, ptr2)
-
-#endif /* not MULE */
-
 #define charptr_emchar_n(ptr, offset) \
   charptr_emchar (charptr_n_addr (ptr, offset))