Patch 7.4.016
Problem: MS-Windows: File name completion doesn't work properly with
Chinese characters. (Yue Wu)
Solution: Add fname_casew(). (Ken Takata)
Files: src/os_win32.c
*** ../vim-7.4.015/src/os_win32.c 2013-08-30 17:11:29.000000000 +0200
--- src/os_win32.c 2013-08-30 17:28:30.000000000 +0200
***************
*** 2500,2508 ****
--- 2500,2624 ----
}
+ #ifdef FEAT_MBYTE
+ /*
+ * fname_casew(): Wide version of fname_case(). Set the case of the file
name,
+ * if it already exists. When "len" is > 0, also expand short to long
+ * filenames.
+ * Return FAIL if wide functions are not available, OK otherwise.
+ * NOTE: much of this is identical to fname_case(), keep in sync!
+ */
+ static int
+ fname_casew(
+ WCHAR *name,
+ int len)
+ {
+ WCHAR szTrueName[_MAX_PATH + 2];
+ WCHAR szTrueNameTemp[_MAX_PATH + 2];
+ WCHAR *ptrue, *ptruePrev;
+ WCHAR *porig, *porigPrev;
+ int flen;
+ WIN32_FIND_DATAW fb;
+ HANDLE hFind;
+ int c;
+ int slen;
+
+ flen = (int)wcslen(name);
+ if (flen > _MAX_PATH)
+ return OK;
+
+ /* slash_adjust(name) not needed, already adjusted by fname_case(). */
+
+ /* Build the new name in szTrueName[] one component at a time. */
+ porig = name;
+ ptrue = szTrueName;
+
+ if (iswalpha(porig[0]) && porig[1] == L':')
+ {
+ /* copy leading drive letter */
+ *ptrue++ = *porig++;
+ *ptrue++ = *porig++;
+ *ptrue = NUL; /* in case nothing follows */
+ }
+
+ while (*porig != NUL)
+ {
+ /* copy \ characters */
+ while (*porig == psepc)
+ *ptrue++ = *porig++;
+
+ ptruePrev = ptrue;
+ porigPrev = porig;
+ while (*porig != NUL && *porig != psepc)
+ {
+ *ptrue++ = *porig++;
+ }
+ *ptrue = NUL;
+
+ /* To avoid a slow failure append "\*" when searching a directory,
+ * server or network share. */
+ wcscpy(szTrueNameTemp, szTrueName);
+ slen = (int)wcslen(szTrueNameTemp);
+ if (*porig == psepc && slen + 2 < _MAX_PATH)
+ wcscpy(szTrueNameTemp + slen, L"\\*");
+
+ /* Skip "", "." and "..". */
+ if (ptrue > ptruePrev
+ && (ptruePrev[0] != L'.'
+ || (ptruePrev[1] != NUL
+ && (ptruePrev[1] != L'.' || ptruePrev[2] != NUL)))
+ && (hFind = FindFirstFileW(szTrueNameTemp, &fb))
+ != INVALID_HANDLE_VALUE)
+ {
+ c = *porig;
+ *porig = NUL;
+
+ /* Only use the match when it's the same name (ignoring case) or
+ * expansion is allowed and there is a match with the short name
+ * and there is enough room. */
+ if (_wcsicoll(porigPrev, fb.cFileName) == 0
+ || (len > 0
+ && (_wcsicoll(porigPrev, fb.cAlternateFileName) == 0
+ && (int)(ptruePrev - szTrueName)
+ + (int)wcslen(fb.cFileName) < len)))
+ {
+ wcscpy(ptruePrev, fb.cFileName);
+
+ /* Look for exact match and prefer it if found. Must be a
+ * long name, otherwise there would be only one match. */
+ while (FindNextFileW(hFind, &fb))
+ {
+ if (*fb.cAlternateFileName != NUL
+ && (wcscoll(porigPrev, fb.cFileName) == 0
+ || (len > 0
+ && (_wcsicoll(porigPrev,
+ fb.cAlternateFileName) == 0
+ && (int)(ptruePrev - szTrueName)
+ + (int)wcslen(fb.cFileName) < len))))
+ {
+ wcscpy(ptruePrev, fb.cFileName);
+ break;
+ }
+ }
+ }
+ FindClose(hFind);
+ *porig = c;
+ ptrue = ptruePrev + wcslen(ptruePrev);
+ }
+ else if (hFind == INVALID_HANDLE_VALUE
+ && GetLastError() == ERROR_CALL_NOT_IMPLEMENTED)
+ return FAIL;
+ }
+
+ wcscpy(name, szTrueName);
+ return OK;
+ }
+ #endif
+
/*
* fname_case(): Set the case of the file name, if it already exists.
* When "len" is > 0, also expand short to long filenames.
+ * NOTE: much of this is identical to fname_casew(), keep in sync!
*/
void
fname_case(
***************
*** 2520,2530 ****
int slen;
flen = (int)STRLEN(name);
! if (flen == 0 || flen > _MAX_PATH)
return;
slash_adjust(name);
/* Build the new name in szTrueName[] one component at a time. */
porig = name;
ptrue = szTrueName;
--- 2636,2679 ----
int slen;
flen = (int)STRLEN(name);
! if (flen == 0)
return;
slash_adjust(name);
+ #ifdef FEAT_MBYTE
+ if (enc_codepage >= 0 && (int)GetACP() != enc_codepage)
+ {
+ WCHAR *p = enc_to_utf16(name, NULL);
+
+ if (p != NULL)
+ {
+ char_u *q;
+ WCHAR buf[_MAX_PATH + 2];
+
+ wcscpy(buf, p);
+ vim_free(p);
+
+ if (fname_casew(buf, (len > 0) ? _MAX_PATH : 0) == OK)
+ {
+ q = utf16_to_enc(buf, NULL);
+ if (q != NULL)
+ {
+ vim_strncpy(name, q, (len > 0) ? len - 1 : flen);
+ vim_free(q);
+ return;
+ }
+ }
+ }
+ /* Retry with non-wide function (for Windows 98). */
+ }
+ #endif
+
+ /* If 'enc' is utf-8, flen can be larger than _MAX_PATH.
+ * So we should check this after calling wide function. */
+ if (flen > _MAX_PATH)
+ return;
+
/* Build the new name in szTrueName[] one component at a time. */
porig = name;
ptrue = szTrueName;
*** ../vim-7.4.015/src/version.c 2013-08-30 17:11:29.000000000 +0200
--- src/version.c 2013-08-30 17:15:06.000000000 +0200
***************
*** 740,741 ****
--- 740,743 ----
{ /* Add new patch number below this line */
+ /**/
+ 16,
/**/
--
Fingers not found - Pound head on keyboard to continue.
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
/// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
\\\ an exciting new programming language -- http://www.Zimbu.org ///
\\\ help me help AIDS victims -- http://ICCF-Holland.org ///
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