#include "wimlib/encoding.h"
#include "wimlib/error.h"
#include "wimlib/metadata.h"
+#include "wimlib/paths.h"
#include "wimlib/wildcard.h"
struct match_dentry_ctx {
bool case_insensitive;
};
-#define PLATFORM_SUPPORTS_FNMATCH
-
-#ifdef __WIN32__
-/* PathMatchSpec() could provide a fnmatch() alternative, but it isn't
- * documented properly, nor does it work properly. For example, it returns that
- * any name matches *.* even if that name doesn't actually contain a period. */
-# undef PLATFORM_SUPPORTS_FNMATCH
-#endif
-
-#ifndef PLATFORM_SUPPORTS_FNMATCH
static bool
do_match_wildcard(const tchar *string, size_t string_len,
const tchar *wildcard, size_t wildcard_len,
}
}
}
-#endif /* ! PLATFORM_SUPPORTS_FNMATCH */
static bool
-match_wildcard(const tchar *string, tchar *wildcard,
+match_wildcard(const tchar *string, const tchar *wildcard,
size_t wildcard_len, bool ignore_case)
{
-#ifdef PLATFORM_SUPPORTS_FNMATCH
- char orig;
- int ret;
- int flags = FNM_NOESCAPE;
- if (ignore_case)
- flags |= FNM_CASEFOLD;
-
- orig = wildcard[wildcard_len];
- wildcard[wildcard_len] = T('\0');
-
- ret = fnmatch(wildcard, string, flags);
-
- wildcard[wildcard_len] = orig;
- return (ret == 0);
-#else
return do_match_wildcard(string, tstrlen(string),
wildcard, wildcard_len, ignore_case);
-#endif
+}
+
+/*
+ * Determines whether a path matches a wildcard pattern.
+ *
+ * @path
+ * The path to match. Assumptions: All path separators must be @path_sep,
+ * there cannot be consecutive path separators, there cannot be a trailing
+ * path separator, and there must be exactly one leading path separator.
+ *
+ * @path_nchars
+ * Number of characters in @path.
+ *
+ * @wildcard
+ * The wildcard pattern to match. It can contain the wildcard characters
+ * '*' and '?'. The former matches zero or more characters except
+ * @path_sep, and the latter matches any character except @path_sep. All
+ * path separators in the pattern must be @path_sep, and there cannot be
+ * consecutive path separators, and there cannot be a trailing path
+ * separator. If there is a leading path separator, the match is attempted
+ * with the filename only; otherwise, the match is attempted with the whole
+ * path.
+ *
+ * @path_sep
+ * Path separator character used in @path and @wildcard.
+ *
+ * @prefix_ok
+ * If %true, allow a prefix of @path, terminated by a path separator, to
+ * match the pattern, in addition to @path itself. In other words, return
+ * %true if the pattern actually matches one of the ancestor directories of
+ * @path.
+ *
+ * Returns %true if there was a match; %false if there was not.
+ */
+bool
+match_path(const tchar *path, size_t path_nchars,
+ const tchar *wildcard, tchar path_sep, bool prefix_ok)
+{
+ if (*wildcard != path_sep) {
+ /* Pattern doesn't begin with path separator. Try to match the
+ * file name only. */
+ return match_wildcard(path_basename_with_len(path, path_nchars),
+ wildcard, tstrlen(wildcard),
+ default_ignore_case);
+ } else {
+ /* Pattern begins with path separator. Try to match the whole
+ * path. */
+ do {
+ if (!*wildcard) {
+ /* Path has more components than pattern */
+ return prefix_ok;
+ }
+
+ size_t path_component_len = 0;
+ size_t wildcard_component_len = 0;
+
+ do {
+ path_component_len++;
+ } while (path[path_component_len] != path_sep &&
+ path[path_component_len] != T('\0'));
+ do {
+ wildcard_component_len++;
+ } while (wildcard[wildcard_component_len] != path_sep &&
+ wildcard[wildcard_component_len] != T('\0'));
+ if (!do_match_wildcard(path, path_component_len,
+ wildcard, wildcard_component_len,
+ default_ignore_case))
+ return false;
+ path += path_component_len;
+ wildcard += wildcard_component_len;
+ } while (*path);
+
+ return (*wildcard == '\0');
+ }
}
static int
{
if (*wildcard == T('\0'))
return WILDCARD_STATUS_DONE_FULLY;
- while (is_any_path_separator(*wildcard))
+ while (*wildcard == WIM_PATH_SEPARATOR)
wildcard++;
if (*wildcard == T('\0'))
return WILDCARD_STATUS_DONE_TRAILING_SLASHES;
}
static int
-match_dentry(struct wim_dentry *cur_dentry, void *_ctx)
+match_dentry(struct wim_dentry *cur_dentry, struct match_dentry_ctx *ctx)
{
- struct match_dentry_ctx *ctx = _ctx;
tchar *name;
size_t name_len;
int ret;
size_t offset_save;
size_t len_save;
int ret;
+ struct wim_dentry *child;
w = ctx->wildcard_path;
begin = ctx->cur_component_offset + ctx->cur_component_len;
- while (is_any_path_separator(w[begin]))
+ while (w[begin] == WIM_PATH_SEPARATOR)
begin++;
end = begin;
- while (w[end] != T('\0') && !is_any_path_separator(w[end]))
+ while (w[end] != T('\0') && w[end] != WIM_PATH_SEPARATOR)
end++;
len = end - begin;
ctx->cur_component_offset = begin;
ctx->cur_component_len = len;
- ret = for_dentry_child(cur_dentry, match_dentry, ctx);
+ ret = 0;
+ for_dentry_child(child, cur_dentry) {
+ ret = match_dentry(child, ctx);
+ if (ret)
+ break;
+ }
ctx->cur_component_len = len_save;
ctx->cur_component_offset = offset_save;
* wildcard.
* @wildcard_path
* Wildcard path to expand, which may contain the '?' and '*' characters.
- * Path separators may be either forward slashes, and leading path
- * separators are ignored. Trailing path separators indicate that the
- * wildcard can only match directories.
+ * Path separators must be WIM_PATH_SEPARATOR. Leading path separators are
+ * ignored, whereas one or more trailing path separators indicate that the
+ * wildcard path can only match directories (and not reparse points).
* @consume_dentry
* Callback function which will receive each directory entry matched by the
* wildcard.
*
* @return 0 on success; a positive error code on error; or the first nonzero
* value returned by @consume_dentry.
- *
- * Note: this function uses the @tmp_list field of dentries it attempts to
- * match.
*/
int
expand_wildcard(WIMStruct *wim,
git://wimlib.net / wimlib / blobdiff