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added some unix code for qse_dir_t

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This commit is contained in:
hyung-hwan 2011-10-18 22:21:36 +00:00
parent 38500b97d6
commit c6f78119d3
2 changed files with 169 additions and 31 deletions
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21
qse/lib/cmn/path-canon.c
View File

@ -28,6 +28,23 @@
#define ISSEPNIL(c) (ISSEP(c) || ((c) == QSE_T('\0')))
#define ISDRIVE(s) \
(((s[0] >= QSE_T('A') && s[0] <= QSE_T('Z')) || \
(s[0] >= QSE_T('a') && s[0] <= QSE_T('a'))) && \
s[1] == QSE_T(':'))
int qse_isabspath (const qse_char_t* path)
{
if (ISSEP(path[0])) return 1;
#if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
/* a drive like c:tmp is absolute in positioning the drive.
* but the path within the drive is kind of relative */
if (ISDRIVE(path)) return 1;
#endif
return 0;
}
qse_size_t qse_canonpath (const qse_char_t* path, qse_char_t* canon)
{
const qse_char_t* ptr;
@ -39,9 +56,7 @@ qse_size_t qse_canonpath (const qse_char_t* path, qse_char_t* canon)
dst = canon;
#if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
if (((ptr[0] >= QSE_T('A') && ptr[0] <= QSE_T('Z')) ||
(ptr[0] >= QSE_T('a') && ptr[0] <= QSE_T('z'))) &&
ptr[1] == QSE_T(':'))
if (ISDRIVE(ptr))
{
/* handle drive letter */
*dst++ = *ptr++; /* drive letter */

179
qse/lib/fs/dir.c
View File

@ -43,6 +43,10 @@ struct info_t
HANDLE handle;
WIN32_FIND_DATA wfd;
int no_more_files;
#elif defined(__OS2__)
#elif defined(__DOS__)
#else
DIR* handle;
#endif
};
@ -89,7 +93,9 @@ int qse_dir_init (qse_dir_t* dir, qse_mmgr_t* mmgr)
void qse_dir_fini (qse_dir_t* dir)
{
info_t* info = dir->info;
info_t* info;
info = dir->info;
if (info)
{
if (info->name.ptr)
@ -106,6 +112,16 @@ void qse_dir_fini (qse_dir_t* dir)
FindClose (info->handle);
info->handle = INVALID_HANDLE_VALUE;
}
#elif defined(__OS2__)
# error NOT IMPLEMENTED
#elif defined(__DOS__)
# error NOT IMPLEMENTED
#else
if (info->handle)
{
closedir (info->handle);
info->handle = QSE_NULL;
}
#endif
QSE_MMGR_FREE (dir->mmgr, info);
@ -119,27 +135,23 @@ void qse_dir_fini (qse_dir_t* dir)
}
}
static int is_absolute (const qse_char_t* name)
{
if (name[0] == QSE_T('/')) return 1;
#if defined(_WIN32) || defined(__OS2__) || defined(__DOS__)
if (name[0] == QSE_T('\\')) return 1;
if (((name[0] >= QSE_T('A') && name[0] <= QSE_T('Z')) ||
(name[0] >= QSE_T('a') && name[0] <= QSE_T('a'))) &&
name[1] == QSE_T(':')) return 1;
#endif
return 0;
}
int qse_dir_change (qse_dir_t* dir, const qse_char_t* name)
{
info_t* info = dir->info;
#if defined(_WIN32)
qse_char_t* dirname;
info_t* info;
#if defined(_WIN32)
HANDLE handle;
WIN32_FIND_DATA wfd;
const qse_char_t* tmp_name[4];
qse_size_t idx;
#elif defined(__OS2__)
# error NOT IMPLEMENTED
#elif defined(__DOS__)
# error NOT IMPLEMENTED
#else
DIR* handle;
qse_mchar_t* mbsdirname;
#endif
if (name[0] == QSE_T('\0'))
@ -148,10 +160,7 @@ int qse_dir_change (qse_dir_t* dir, const qse_char_t* name)
return -1;
}
/* TODO: if name is a relative path??? combine it with the current path
and canonicalize it to get the actual path */
info = dir->info;
if (info == QSE_NULL)
{
info = QSE_MMGR_ALLOC (dir->mmgr, QSE_SIZEOF(*info));
@ -161,13 +170,12 @@ int qse_dir_change (qse_dir_t* dir, const qse_char_t* name)
#if defined(_WIN32)
info->handle = INVALID_HANDLE_VALUE;
#endif
dir->info = info;
}
#if defined(_WIN32)
idx = 0;
if (!is_absolute(name) && dir->curdir)
if (!qse_isabspath(name) && dir->curdir)
tmp_name[idx++] = dir->curdir;
tmp_name[idx++] = name;
tmp_name[idx++] = QSE_T("\\ ");
@ -205,19 +213,85 @@ int qse_dir_change (qse_dir_t* dir, const qse_char_t* name)
dir->curdir = dirname;
return 0;
#elif defined(__OS2__)
# error NOT IMPLEMENTED
#elif defined(__DOS__)
# error NOT IMPLEMENTED
#else
return -1;
dirname = qse_strdup (name, dir->mmgr);
if (dirname == QSE_NULL)
{
/* dir->errnum = QSE_DIR_ENOMEM; */
return -1;
}
qse_canonpath (dirname, dirname);
#if defined(QSE_CHAR_IS_MCHAR)
mbsdirname = dirname;
#else
mbsdirname = qse_wcstombsdup (name, dir->mmgr);
if (mbsdirname == QSE_NULL)
{
/* dir->errnum = QSE_DIR_ENOMEM */
QSE_MMGR_FREE (dir->mmgr, dirname);
return -1;
}
#endif
handle = opendir (mbsdirname);
#if defined(QSE_CHAR_IS_MCHAR)
/* do nothing */
#else
QSE_MMGR_FREE (dir->mmgr, mbsdirname);
#endif
if (handle == QSE_NULL)
{
/* dir->errnum = QSE_DIR... */
QSE_MMGR_FREE (dir->mmgr, dirname);
return -1;
}
if (info->handle) closedir (info->handle);
info->handle = handle;
if (dir->curdir) QSE_MMGR_FREE (dir->mmgr, dir->curdir);
dir->curdir = dirname;
return 0;
#endif
}
#if defined(QSE_CHAR_IS_MCHAR) || defined(_WIN32)
static int set_entry_name (qse_dir_t* dir, const qse_char_t* name)
#else
static int set_entry_name (qse_dir_t* dir, const qse_mchar_t* name)
#endif
{
info_t* info = dir->info;
info_t* info;
qse_size_t len;
info = dir->info;
QSE_ASSERT (info != QSE_NULL);
#if defined(QSE_CHAR_IS_MCHAR) || defined(_WIN32)
len = qse_strlen (name);
#else
{
qse_size_t mlen;
/* TODO: ignore MBWCERR */
mlen = qse_mbstowcslen (name, &len);
if (name[mlen] != QSE_MT('\0'))
{
/* invalid name ??? */
return -1;
}
}
#endif
if (len > info->name.len)
{
qse_char_t* tmp;
@ -238,17 +312,32 @@ static int set_entry_name (qse_dir_t* dir, const qse_char_t* name)
info->name.ptr = tmp;
}
#if defined(QSE_CHAR_IS_MCHAR) || defined(_WIN32)
qse_strcpy (info->name.ptr, name);
#else
len++;
qse_mbstowcs (name, info->name.ptr, &len);
#endif
dir->ent.name = info->name.ptr;
return 0;
}
qse_dir_ent_t* qse_dir_read (qse_dir_t* dir)
{
info_t* info = dir->info;
if (info == QSE_NULL) return QSE_NULL;
info_t* info;
info = dir->info;
if (info == QSE_NULL)
{
/*
dir->errnum = NO CHANGE DIR YET;
*/
return QSE_NULL;
}
#if defined(_WIN32)
if (info->no_more_files)
{
/*
@ -257,6 +346,10 @@ qse_dir_ent_t* qse_dir_read (qse_dir_t* dir)
return QSE_NULL;
}
/* call set_entry_name before changing other fields
* in dir->ent not to pollute it in case set_entry_name fails */
if (set_entry_name (dir, info->wfd.cFileName) <= -1) return QSE_NULL;
if (info->wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
dir->ent.size = 0;
@ -271,15 +364,45 @@ qse_dir_ent_t* qse_dir_read (qse_dir_t* dir)
dir->ent.type = QSE_DIR_ENT_UNKNOWN;
}
if (set_entry_name (dir, info->wfd.cFileName) <= -1) return QSE_NULL;
if (FindNextFile (info->handle, &info->wfd) == FALSE)
{
/*if (GetLastError() == ERROR_NO_MORE_FILES) */
info->no_more_files = 1;
}
#endif
#elif defined(__OS2__)
# error NOT IMPLEMENTED
#elif defined(__DOS__)
# error NOT IMPLEMENTED
#else
struct dirent* ent;
ent = readdir (info->handle);
if (ent == QSE_NULL)
{
/* TODO: dir->errnum = ... */
return QSE_NULL;
}
if (set_entry_name (dir, ent->d_name) <= -1) return QSE_NULL;
#if defined(HAVE_STRUCT_DIRENT_D_TYPE)
switch (ent->d_type)
{
case DT_DIR:
dir->ent.size = 0;
dir->ent.type = QSE_DIR_ENT_DIRECTORY;
break;
default:
dir->ent.size = 0;
dir->ent.type = QSE_DIR_ENT_UNKNOWN;
break;
}
#else
/* call lstat??? */
#endif
#endif
return &dir->ent;
}