Merge r21-4-11-chise-0_20-=ucs.

[chise/xemacs-chise.git.1] / src / insdel.c

diff --git a/src/insdel.c b/src/insdel.c
index 937c3eb..d17322b 100644 (file)
--- a/src/insdel.c
+++ b/src/insdel.c
@@ -218,7 +218,9 @@ Boston, MA 02111-1307, USA.  */
 #define MAX_BUFPOS_GAP_SIZE_3 (65535/3)
 #define MAX_BYTIND_GAP_SIZE_3 (3 * MAX_BUFPOS_GAP_SIZE_3)
 
+#ifndef UTF2000
 short three_to_one_table[1 + MAX_BYTIND_GAP_SIZE_3];
+#endif
 
 /* Various macros modelled along the lines of those in buffer.h.
    Purposefully omitted from buffer.h because files other than this
@@ -429,7 +431,11 @@ bufpos_to_bytind_func (struct buffer *buf, Bufpos x)
   bufmax = buf->text->mule_bufmax;
   bytmin = buf->text->mule_bytmin;
   bytmax = buf->text->mule_bytmax;
+#ifdef UTF2000
+  size = buf->text->mule_size;
+#else
   size = (1 << buf->text->mule_shifter) + !!buf->text->mule_three_p;
+#endif
 
   /* The basic idea here is that we shift the "known region" up or down
      until it overlaps the specified position.  We do this by moving
@@ -624,11 +630,16 @@ bufpos_to_bytind_func (struct buffer *buf, Bufpos x)
      discovered isn't too large, because we use a fixed-length
      table to divide by 3. */
 
+#ifdef UTF2000
+  buf->text->mule_size = size;
+#endif
   if (size == 3)
     {
       int gap = bytmax - bytmin;
+#ifndef UTF2000
       buf->text->mule_three_p = 1;
       buf->text->mule_shifter = 1;
+#endif
 
       if (gap > MAX_BYTIND_GAP_SIZE_3)
        {
@@ -646,11 +657,13 @@ bufpos_to_bytind_func (struct buffer *buf, Bufpos x)
     }
   else
     {
+#ifndef UTF2000
       buf->text->mule_three_p = 0;
       if (size == 4)
        buf->text->mule_shifter = 2;
       else
        buf->text->mule_shifter = size - 1;
+#endif
     }
 
   buf->text->mule_bufmin = bufmin;
@@ -706,7 +719,11 @@ bytind_to_bufpos_func (struct buffer *buf, Bytind x)
   bufmax = buf->text->mule_bufmax;
   bytmin = buf->text->mule_bytmin;
   bytmax = buf->text->mule_bytmax;
+#ifdef UTF2000
+  size = buf->text->mule_size;
+#else
   size = (1 << buf->text->mule_shifter) + !!buf->text->mule_three_p;
+#endif
 
   /* The basic idea here is that we shift the "known region" up or down
      until it overlaps the specified position.  We do this by moving
@@ -901,11 +918,16 @@ bytind_to_bufpos_func (struct buffer *buf, Bytind x)
      discovered isn't too large, because we use a fixed-length
      table to divide by 3. */
 
+#ifdef UTF2000
+  buf->text->mule_size = size;
+  #endif
   if (size == 3)
     {
       int gap = bytmax - bytmin;
+#ifndef UTF2000
       buf->text->mule_three_p = 1;
       buf->text->mule_shifter = 1;
+#endif
 
       if (gap > MAX_BYTIND_GAP_SIZE_3)
        {
@@ -923,11 +945,13 @@ bytind_to_bufpos_func (struct buffer *buf, Bytind x)
     }
   else
     {
+#ifndef UTF2000
       buf->text->mule_three_p = 0;
       if (size == 4)
        buf->text->mule_shifter = 2;
       else
        buf->text->mule_shifter = size - 1;
+#endif
     }
 
   buf->text->mule_bufmin = bufmin;
@@ -963,7 +987,11 @@ buffer_mule_signal_inserted_region (struct buffer *buf, Bufpos start,
                                    Bytecount bytelength,
                                    Charcount charlength)
 {
+#ifdef UTF2000
+  int size = buf->text->mule_size;
+#else
   int size = (1 << buf->text->mule_shifter) + !!buf->text->mule_three_p;
+#endif
   int i;
 
   /* Adjust the cache of known positions. */
@@ -3072,7 +3100,7 @@ barf_if_buffer_read_only (struct buffer *buf, Bufpos from, Bufpos to)
 }
 
 void
-find_charsets_in_bufbyte_string (unsigned char *charsets, const Bufbyte *str,
+find_charsets_in_bufbyte_string (Charset_ID *charsets, const Bufbyte *str,
                                 Bytecount len)
 {
 #ifndef MULE
@@ -3080,26 +3108,33 @@ find_charsets_in_bufbyte_string (unsigned char *charsets, const Bufbyte *str,
   charsets[0] = 1;
 #else
   const Bufbyte *strend = str + len;
-  memset (charsets, 0, NUM_LEADING_BYTES);
+  memset (charsets, 0, NUM_LEADING_BYTES * sizeof(Charset_ID));
 
   /* #### SJT doesn't like this. */
   if (len == 0)
     {
-      charsets[XCHARSET_LEADING_BYTE (Vcharset_ascii) - 128] = 1;
+      charsets[XCHARSET_LEADING_BYTE (Vcharset_ascii) - MIN_LEADING_BYTE] = 1;
       return;
     }
 
   while (str < strend)
     {
-      charsets[CHAR_LEADING_BYTE (charptr_emchar (str)) - 128] = 1;
+#ifdef UTF2000
+      charsets[CHAR_CHARSET_ID (charptr_emchar (str))
+             - MIN_LEADING_BYTE] = 1;
+#else /* I'm not sure the definition for UTF2000 works with leading-byte
+        representation. */
+      charsets[CHAR_LEADING_BYTE (charptr_emchar (str))
+             - MIN_LEADING_BYTE] = 1;
+#endif
       INC_CHARPTR (str);
     }
 #endif
 }
 
 void
-find_charsets_in_emchar_string (unsigned char *charsets, const Emchar *str,
-                               Charcount len)
+find_charsets_in_charc_string (Charset_ID *charsets, const Charc *str,
+                              Charcount len)
 {
 #ifndef MULE
   /* Telescope this. */
@@ -3107,18 +3142,18 @@ find_charsets_in_emchar_string (unsigned char *charsets, const Emchar *str,
 #else
   int i;
 
-  memset (charsets, 0, NUM_LEADING_BYTES);
+  memset (charsets, 0, NUM_LEADING_BYTES * sizeof(Charset_ID));
 
   /* #### SJT doesn't like this. */
   if (len == 0)
     {
-      charsets[XCHARSET_LEADING_BYTE (Vcharset_ascii) - 128] = 1;
+      charsets[XCHARSET_ID (Vcharset_ascii) - MIN_LEADING_BYTE] = 1;
       return;
     }
 
   for (i = 0; i < len; i++)
     {
-      charsets[CHAR_LEADING_BYTE (str[i]) - 128] = 1;
+      charsets[CHARC_CHARSET_ID (str[i]) - MIN_LEADING_BYTE] = 1;
     }
 #endif
 }
@@ -3133,7 +3168,7 @@ bufbyte_string_displayed_columns (const Bufbyte *str, Bytecount len)
     {
 #ifdef MULE
       Emchar ch = charptr_emchar (str);
-      cols += XCHARSET_COLUMNS (CHAR_CHARSET (ch));
+      cols += CHAR_COLUMNS (ch);
 #else
       cols++;
 #endif
@@ -3144,14 +3179,14 @@ bufbyte_string_displayed_columns (const Bufbyte *str, Bytecount len)
 }
 
 int
-emchar_string_displayed_columns (const Emchar *str, Charcount len)
+charc_string_displayed_columns (const Charc *str, Charcount len)
 {
 #ifdef MULE
   int cols = 0;
   int i;
 
   for (i = 0; i < len; i++)
-    cols += XCHARSET_COLUMNS (CHAR_CHARSET (str[i]));
+    cols += CHARC_COLUMNS (str[i]);
 
   return cols;
 #else  /* not MULE */
@@ -3162,15 +3197,14 @@ emchar_string_displayed_columns (const Emchar *str, Charcount len)
 /* NOTE: Does not reset the Dynarr. */
 
 void
-convert_bufbyte_string_into_emchar_dynarr (const Bufbyte *str, Bytecount len,
-                                          Emchar_dynarr *dyn)
+convert_bufbyte_string_into_charc_dynarr (const Bufbyte *str, Bytecount len,
+                                         Charc_dynarr *dyn)
 {
   const Bufbyte *strend = str + len;
 
   while (str < strend)
     {
-      Emchar ch = charptr_emchar (str);
-      Dynarr_add (dyn, ch);
+      Dynarr_add (dyn, CHAR_TO_CHARC (charptr_emchar (str)));
       INC_CHARPTR (str);
     }
 }
@@ -3195,15 +3229,15 @@ convert_bufbyte_string_into_emchar_string (const Bufbyte *str, Bytecount len,
    Does not add a terminating zero. */
 
 void
-convert_emchar_string_into_bufbyte_dynarr (Emchar *arr, int nels,
-                                         Bufbyte_dynarr *dyn)
+convert_charc_string_into_bufbyte_dynarr (Charc *arr, int nels,
+                                           Bufbyte_dynarr *dyn)
 {
   Bufbyte str[MAX_EMCHAR_LEN];
   int i;
 
   for (i = 0; i < nels; i++)
     {
-      Bytecount len = set_charptr_emchar (str, arr[i]);
+      Bytecount len = set_charptr_emchar (str, CHARC_TO_CHAR (arr[i]));
       Dynarr_add_many (dyn, str, len);
     }
 }
@@ -3215,7 +3249,7 @@ convert_emchar_string_into_bufbyte_dynarr (Emchar *arr, int nels,
    is one more than this: the returned string is zero-terminated. */
 
 Bufbyte *
-convert_emchar_string_into_malloced_string (Emchar *arr, int nels,
+convert_charc_string_into_malloced_string (Charc *arr, int nels,
                                           Bytecount *len_out)
 {
   /* Damn zero-termination. */
@@ -3226,7 +3260,9 @@ convert_emchar_string_into_malloced_string (Emchar *arr, int nels,
   int i;
 
   for (i = 0; i < nels; i++)
-    str += set_charptr_emchar (str, arr[i]);
+    {
+      str += set_charptr_emchar (str, CHARC_TO_CHAR (arr[i]));
+    }
   *str = '\0';
   len = str - strorig;
   str = (Bufbyte *) xmalloc (1 + len);
@@ -3244,13 +3280,17 @@ convert_emchar_string_into_malloced_string (Emchar *arr, int nels,
 void
 reinit_vars_of_insdel (void)
 {
+#ifndef UTF2000
   int i;
+#endif
 
   inside_change_hook = 0;
   in_first_change = 0;
 
+#ifndef UTF2000
   for (i = 0; i <= MAX_BYTIND_GAP_SIZE_3; i++)
     three_to_one_table[i] = i / 3;
+#endif
 }
 
 void
@@ -3280,8 +3320,12 @@ init_buffer_text (struct buffer *b)
 
        b->text->mule_bufmin = b->text->mule_bufmax = 1;
        b->text->mule_bytmin = b->text->mule_bytmax = 1;
+#ifdef UTF2000
+       b->text->mule_size = 0;
+#else
        b->text->mule_shifter = 0;
        b->text->mule_three_p = 0;
+#endif
 
        for (i = 0; i < 16; i++)
          {