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-rw-r--r--src/nvim/mbyte.c249
-rw-r--r--src/nvim/search.c30
-rw-r--r--src/nvim/spell.c9
3 files changed, 41 insertions, 247 deletions
diff --git a/src/nvim/mbyte.c b/src/nvim/mbyte.c
index 7a54b0c64f..0ab133a545 100644
--- a/src/nvim/mbyte.c
+++ b/src/nvim/mbyte.c
@@ -355,14 +355,13 @@ int bomb_size(void)
*/
void remove_bom(char_u *s)
{
- if (enc_utf8) {
- char_u *p = s;
-
- while ((p = vim_strbyte(p, 0xef)) != NULL) {
- if (p[1] == 0xbb && p[2] == 0xbf)
- STRMOVE(p, p + 3);
- else
- ++p;
+ char_u *p = s;
+
+ while ((p = vim_strbyte(p, 0xef)) != NULL) {
+ if (p[1] == 0xbb && p[2] == 0xbf) {
+ STRMOVE(p, p + 3);
+ } else {
+ p++;
}
}
}
@@ -388,154 +387,7 @@ int mb_get_class_buf(const char_u *p, buf_T *buf)
return 2;
return 1;
}
- if (enc_dbcs != 0 && p[0] != NUL && p[1] != NUL)
- return dbcs_class(p[0], p[1]);
- if (enc_utf8)
- return utf_class(utf_ptr2char(p));
- return 0;
-}
-
-/*
- * Get class of a double-byte character. This always returns 3 or bigger.
- * TODO: Should return 1 for punctuation.
- */
-int dbcs_class(unsigned lead, unsigned trail)
-{
- switch (enc_dbcs) {
- /* please add classify routine for your language in here */
-
- case DBCS_JPNU: /* ? */
- case DBCS_JPN:
- {
- /* JIS code classification */
- unsigned char lb = lead;
- unsigned char tb = trail;
-
- /* convert process code to JIS */
- /*
- * XXX: Code page identification can not use with all
- * system! So, some other encoding information
- * will be needed.
- * In japanese: SJIS,EUC,UNICODE,(JIS)
- * Note that JIS-code system don't use as
- * process code in most system because it uses
- * escape sequences(JIS is context depend encoding).
- */
- /* assume process code is JAPANESE-EUC */
- lb &= 0x7f;
- tb &= 0x7f;
- /* exceptions */
- switch (lb << 8 | tb) {
- case 0x2121: /* ZENKAKU space */
- return 0;
- case 0x2122: /* TOU-TEN (Japanese comma) */
- case 0x2123: /* KU-TEN (Japanese period) */
- case 0x2124: /* ZENKAKU comma */
- case 0x2125: /* ZENKAKU period */
- return 1;
- case 0x213c: /* prolongedsound handled as KATAKANA */
- return 13;
- }
- /* sieved by KU code */
- switch (lb) {
- case 0x21:
- case 0x22:
- /* special symbols */
- return 10;
- case 0x23:
- /* alpha-numeric */
- return 11;
- case 0x24:
- /* hiragana */
- return 12;
- case 0x25:
- /* katakana */
- return 13;
- case 0x26:
- /* greek */
- return 14;
- case 0x27:
- /* russian */
- return 15;
- case 0x28:
- /* lines */
- return 16;
- default:
- /* kanji */
- return 17;
- }
- }
-
- case DBCS_KORU: /* ? */
- case DBCS_KOR:
- {
- /* KS code classification */
- unsigned char c1 = lead;
- unsigned char c2 = trail;
-
- /*
- * 20 : Hangul
- * 21 : Hanja
- * 22 : Symbols
- * 23 : Alpha-numeric/Roman Letter (Full width)
- * 24 : Hangul Letter(Alphabet)
- * 25 : Roman Numeral/Greek Letter
- * 26 : Box Drawings
- * 27 : Unit Symbols
- * 28 : Circled/Parenthesized Letter
- * 29 : Hiragana/Katakana
- * 30 : Cyrillic Letter
- */
-
- if (c1 >= 0xB0 && c1 <= 0xC8)
- /* Hangul */
- return 20;
-
- else if (c1 >= 0xCA && c1 <= 0xFD)
- /* Hanja */
- return 21;
- else switch (c1) {
- case 0xA1:
- case 0xA2:
- /* Symbols */
- return 22;
- case 0xA3:
- /* Alpha-numeric */
- return 23;
- case 0xA4:
- /* Hangul Letter(Alphabet) */
- return 24;
- case 0xA5:
- /* Roman Numeral/Greek Letter */
- return 25;
- case 0xA6:
- /* Box Drawings */
- return 26;
- case 0xA7:
- /* Unit Symbols */
- return 27;
- case 0xA8:
- case 0xA9:
- if (c2 <= 0xAF)
- return 25; /* Roman Letter */
- else if (c2 >= 0xF6)
- return 22; /* Symbols */
- else
- /* Circled/Parenthesized Letter */
- return 28;
- case 0xAA:
- case 0xAB:
- /* Hiragana/Katakana */
- return 29;
- case 0xAC:
- /* Cyrillic Letter */
- return 30;
- }
- }
- default:
- break;
- }
- return 3;
+ return utf_class(utf_ptr2char(p));
}
/*
@@ -788,10 +640,7 @@ int mb_cptr2char_adv(char_u **pp)
int c;
c = (*mb_ptr2char)(*pp);
- if (enc_utf8)
- *pp += utf_ptr2len(*pp);
- else
- *pp += (*mb_ptr2len)(*pp);
+ *pp += utf_ptr2len(*pp);
return c;
}
@@ -1542,36 +1391,7 @@ int utf16_to_utf8(const WCHAR *strw, char **str)
*/
int mb_strnicmp(char_u *s1, char_u *s2, size_t nn)
{
- int i, l;
- int cdiff;
- int n = (int)nn;
-
- if (enc_utf8) {
- return utf_strnicmp(s1, s2, nn, nn);
- } else {
- for (i = 0; i < n; i += l) {
- if (s1[i] == NUL && s2[i] == NUL) /* both strings end */
- return 0;
-
- l = (*mb_ptr2len)(s1 + i);
- if (l <= 1) {
- /* Single byte: first check normally, then with ignore case. */
- if (s1[i] != s2[i]) {
- cdiff = vim_tolower(s1[i]) - vim_tolower(s2[i]);
- if (cdiff != 0)
- return cdiff;
- }
- } else {
- /* For non-Unicode multi-byte don't ignore case. */
- if (l > n - i)
- l = n - i;
- cdiff = STRNCMP(s1 + i, s2 + i, l);
- if (cdiff != 0)
- return cdiff;
- }
- }
- }
- return 0;
+ return utf_strnicmp(s1, s2, nn, nn);
}
/* We need to call mb_stricmp() even when we aren't dealing with a multi-byte
@@ -1699,27 +1519,24 @@ int mb_off_next(char_u *base, char_u *p)
int i;
int j;
- if (enc_utf8) {
- if (*p < 0x80) /* be quick for ASCII */
- return 0;
+ if (*p < 0x80) { // be quick for ASCII
+ return 0;
+ }
- /* Find the next character that isn't 10xx.xxxx */
- for (i = 0; (p[i] & 0xc0) == 0x80; ++i)
- ;
- if (i > 0) {
- /* Check for illegal sequence. */
- for (j = 0; p - j > base; ++j)
- if ((p[-j] & 0xc0) != 0x80)
- break;
- if (utf8len_tab[p[-j]] != i + j)
- return 0;
+ // Find the next character that isn't 10xx.xxxx
+ for (i = 0; (p[i] & 0xc0) == 0x80; i++) {}
+ if (i > 0) {
+ // Check for illegal sequence.
+ for (j = 0; p - j > base; j++) {
+ if ((p[-j] & 0xc0) != 0x80) {
+ break;
+ }
+ }
+ if (utf8len_tab[p[-j]] != i + j) {
+ return 0;
}
- return i;
}
-
- /* Only need to check if we're on a trail byte, it doesn't matter if we
- * want the offset to the next or current character. */
- return (*mb_head_off)(base, p);
+ return i;
}
/*
@@ -1762,10 +1579,10 @@ void utf_find_illegal(void)
char_u *tofree = NULL;
vimconv.vc_type = CONV_NONE;
- if (enc_utf8 && (enc_canon_props(curbuf->b_p_fenc) & ENC_8BIT)) {
- /* 'encoding' is "utf-8" but we are editing a 8-bit encoded file,
- * possibly a utf-8 file with illegal bytes. Setup for conversion
- * from utf-8 to 'fileencoding'. */
+ if (enc_canon_props(curbuf->b_p_fenc) & ENC_8BIT) {
+ // 'encoding' is "utf-8" but we are editing a 8-bit encoded file,
+ // possibly a utf-8 file with illegal bytes. Setup for conversion
+ // from utf-8 to 'fileencoding'.
convert_setup(&vimconv, p_enc, curbuf->b_p_fenc);
}
@@ -2279,13 +2096,7 @@ static char_u * iconv_string(vimconv_T *vcp, char_u *str, size_t slen,
*to++ = '?';
if ((*mb_ptr2cells)((char_u *)from) > 1)
*to++ = '?';
- if (enc_utf8)
- l = utfc_ptr2len_len((const char_u *)from, (int)fromlen);
- else {
- l = (*mb_ptr2len)((char_u *)from);
- if (l > (int)fromlen)
- l = (int)fromlen;
- }
+ l = utfc_ptr2len_len((const char_u *)from, (int)fromlen);
from += l;
fromlen -= l;
} else if (ICONV_ERRNO != ICONV_E2BIG) {
diff --git a/src/nvim/search.c b/src/nvim/search.c
index 75862e1136..8c56eda7cf 100644
--- a/src/nvim/search.c
+++ b/src/nvim/search.c
@@ -2417,32 +2417,20 @@ static int cls(void)
int c;
c = gchar_cursor();
- if (p_altkeymap && c == F_BLANK)
+ if (p_altkeymap && c == F_BLANK) {
return 0;
- if (c == ' ' || c == '\t' || c == NUL)
- return 0;
- if (enc_dbcs != 0 && c > 0xFF) {
- /* If cls_bigword, report multi-byte chars as class 1. */
- if (enc_dbcs == DBCS_KOR && cls_bigword)
- return 1;
-
- /* process code leading/trailing bytes */
- return dbcs_class(((unsigned)c >> 8), (c & 0xFF));
}
- if (enc_utf8) {
- c = utf_class(c);
- if (c != 0 && cls_bigword)
- return 1;
- return c;
+ if (c == ' ' || c == '\t' || c == NUL) {
+ return 0;
}
- /* If cls_bigword is TRUE, report all non-blanks as class 1. */
- if (cls_bigword)
- return 1;
+ c = utf_class(c);
- if (vim_iswordc(c))
- return 2;
- return 1;
+ // If cls_bigword is TRUE, report all non-blanks as class 1.
+ if (c != 0 && cls_bigword) {
+ return 1;
+ }
+ return c;
}
/*
diff --git a/src/nvim/spell.c b/src/nvim/spell.c
index 12f982106a..3b891d998f 100644
--- a/src/nvim/spell.c
+++ b/src/nvim/spell.c
@@ -2623,7 +2623,7 @@ bool spell_iswordp_nmw(char_u *p, win_T *wp)
// Returns true if word class indicates a word character.
// Only for characters above 255.
// Unicode subscript and superscript are not considered word characters.
-// See also dbcs_class() and utf_class() in mbyte.c.
+// See also utf_class() in mbyte.c.
static bool spell_mb_isword_class(int cl, win_T *wp)
{
if (wp->w_s->b_cjk)
@@ -2646,12 +2646,7 @@ static bool spell_iswordp_w(int *p, win_T *wp)
s = p;
if (*s > 255) {
- if (enc_utf8)
- return spell_mb_isword_class(utf_class(*s), wp);
- if (enc_dbcs)
- return spell_mb_isword_class(
- dbcs_class((unsigned)*s >> 8, *s & 0xff), wp);
- return false;
+ return spell_mb_isword_class(utf_class(*s), wp);
}
return spelltab.st_isw[*s];
}