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enhanced qse_dir_t

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hyung-hwan
2011-10-25 01:48:07 +00:00
parent 67e9eb8d9f
commit f2d60b9366
6 changed files with 258 additions and 118 deletions
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43
qse/lib/cmn/path-canon.c
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@ -30,7 +30,7 @@
#define ISDRIVE(s) \
(((s[0] >= QSE_T('A') && s[0] <= QSE_T('Z')) || \
(s[0] >= QSE_T('a') && s[0] <= QSE_T('a'))) && \
(s[0] >= QSE_T('a') && s[0] <= QSE_T('z'))) && \
s[1] == QSE_T(':'))
int qse_isabspath (const qse_char_t* path)
@ -45,12 +45,30 @@ int qse_isabspath (const qse_char_t* path)
}
int qse_isdrivepath (const qse_char_t* path)
{
#if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
if (ISDRIVE(path)) return 1;
#endif
return 0;
}
int qse_isdrivecurpath (const qse_char_t* path)
{
#if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
if (ISDRIVE(path) && path[2] == QSE_T('\0')) return 1;
#endif
return 0;
}
qse_size_t qse_canonpath (const qse_char_t* path, qse_char_t* canon)
{
const qse_char_t* ptr;
qse_char_t* dst;
qse_char_t* non_root_start;
int has_root = 0;
int begins_with_curdir = 0;
qse_size_t canon_len;
ptr = path;
dst = canon;
@ -94,12 +112,20 @@ qse_size_t qse_canonpath (const qse_char_t* path, qse_char_t* canon)
}
#endif
}
else if (ptr[0] == QSE_T('.') && ISSEPNIL(ptr[1]))
{
begins_with_curdir = 1;
}
#else
if (ISSEP(*ptr))
{
*dst++ = *ptr++; /* root directory */
has_root = 1;
}
else if (ptr[0] == QSE_T('.') && ISSEPNIL(ptr[1]))
{
begins_with_curdir = 1;
}
#endif
/* non_root_start points to the beginning of the canonicalized
@ -228,14 +254,25 @@ qse_size_t qse_canonpath (const qse_char_t* path, qse_char_t* canon)
* the origial path ends with a separator
*/
dst[-1] = QSE_T('\0');
return dst - canon - 1;
canon_len = dst - canon - 1;
}
else
{
/* just null-terminate the canonical path normally */
dst[0] = QSE_T('\0');
return dst - canon;
canon_len = dst - canon;
}
if (canon_len <= 0 && begins_with_curdir)
{
/* when resolving to a single dot, a trailing separator is not
* retained though the orignal path name contains it */
dst[0] = QSE_T('.');
dst[1] = QSE_T('\0');
canon_len = 1;
}
return canon_len;
}
qse_size_t qse_realpath (const qse_char_t* path, qse_char_t* real)