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-rw-r--r--core/os/path.odin980
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+package os
+
+import "base:runtime"
+import "core:slice"
+import "core:strings"
+import "core:unicode/utf8"
+
+
+Path_Separator :: _Path_Separator // OS-Specific
+Path_Separator_String :: _Path_Separator_String // OS-Specific
+Path_Separator_Chars :: `/\`
+Path_List_Separator :: _Path_List_Separator // OS-Specific
+
+#assert(_Path_Separator <= rune(0x7F), "The system-specific path separator rune is expected to be within the 7-bit ASCII character set.")
+
+/*
+Return true if `c` is a character used to separate paths into directory and
+file hierarchies on the current system.
+*/
+@(require_results)
+is_path_separator :: proc(c: byte) -> bool {
+ return _is_path_separator(c)
+}
+
+/*
+Returns the result of replacing each path separator character in the path
+with the `new_sep` rune.
+
+*Allocates Using Provided Allocator*
+*/
+replace_path_separators :: proc(path: string, new_sep: rune, allocator: runtime.Allocator) -> (new_path: string, err: Error) {
+ buf := make([]u8, len(path), allocator) or_return
+
+ i: int
+ for r in path {
+ replacement := r
+ if r == '/' || r == '\\' {
+ replacement = new_sep
+ }
+
+ if replacement <= rune(0x7F) {
+ buf[i] = u8(replacement)
+ i += 1
+ } else {
+ b, w := utf8.encode_rune(r)
+ copy(buf[i:], b[:w])
+ i += w
+ }
+ }
+ return string(buf), nil
+}
+
+mkdir :: make_directory
+
+/*
+Make a new directory.
+
+If `path` is relative, it will be relative to the process's current working directory.
+*/
+make_directory :: proc(name: string, perm: int = 0o755) -> Error {
+ return _mkdir(name, perm)
+}
+
+mkdir_all :: make_directory_all
+
+/*
+Make a new directory, creating new intervening directories when needed.
+
+If `path` is relative, it will be relative to the process's current working directory.
+*/
+make_directory_all :: proc(path: string, perm: int = 0o755) -> Error {
+ return _mkdir_all(path, perm)
+}
+
+/*
+Delete `path` and all files and directories inside of `path` if it is a directory.
+
+If `path` is relative, it will be relative to the process's current working directory.
+*/
+remove_all :: proc(path: string) -> Error {
+ return _remove_all(path)
+}
+
+getwd :: get_working_directory
+
+/*
+Get the working directory of the current process.
+
+*Allocates Using Provided Allocator*
+*/
+@(require_results)
+get_working_directory :: proc(allocator: runtime.Allocator) -> (dir: string, err: Error) {
+ return _get_working_directory(allocator)
+}
+
+setwd :: set_working_directory
+
+/*
+Change the working directory of the current process.
+
+*Allocates Using Provided Allocator*
+*/
+set_working_directory :: proc(dir: string) -> (err: Error) {
+ return _set_working_directory(dir)
+}
+
+/*
+Get the path for the currently running executable.
+
+*Allocates Using Provided Allocator*
+*/
+@(require_results)
+get_executable_path :: proc(allocator: runtime.Allocator) -> (path: string, err: Error) {
+ return _get_executable_path(allocator)
+}
+
+/*
+Get the directory for the currently running executable.
+
+*Allocates Using Provided Allocator*
+*/
+@(require_results)
+get_executable_directory :: proc(allocator: runtime.Allocator) -> (path: string, err: Error) {
+ path = _get_executable_path(allocator) or_return
+ path, _ = split_path(path)
+ return
+}
+
+/*
+Compare two paths for exactness without normalization.
+
+This procedure takes into account case-sensitivity on differing systems.
+*/
+@(require_results)
+are_paths_identical :: proc(a, b: string) -> (identical: bool) {
+ return _are_paths_identical(a, b)
+}
+
+/*
+Normalize a path.
+
+*Allocates Using Provided Allocator*
+
+This will remove duplicate separators and unneeded references to the current or
+parent directory.
+*/
+@(require_results)
+clean_path :: proc(path: string, allocator: runtime.Allocator) -> (cleaned: string, err: runtime.Allocator_Error) {
+ if path == "" || path == "." {
+ return strings.clone(".", allocator)
+ }
+
+ temp_allocator := TEMP_ALLOCATOR_GUARD({ allocator })
+
+ // The extra byte is to simplify appending path elements by letting the
+ // loop to end each with a separator. We'll trim the last one when we're done.
+ buffer := make([]u8, len(path) + 1, temp_allocator) or_return
+
+ // This is the only point where Windows and POSIX differ, as Windows has
+ // alphabet-based volumes for root paths.
+ rooted, start := _clean_path_handle_start(path, buffer)
+
+ head, buffer_i := start, start
+ for i, j := start, start; i <= len(path); i += 1 {
+ if i == len(path) || _is_path_separator(path[i]) {
+ elem := path[j:i]
+ j = i + 1
+
+ switch elem {
+ case "", ".":
+ // Skip duplicate path separators and current directory references.
+ case "..":
+ if !rooted && buffer_i == head {
+ // Only allow accessing further parent directories when the path is relative.
+ buffer[buffer_i] = '.'
+ buffer[buffer_i+1] = '.'
+ buffer[buffer_i+2] = _Path_Separator
+ buffer_i += 3
+ head = buffer_i
+ } else {
+ // Roll back to the last separator or the head of the buffer.
+ back_to := head
+ // `buffer_i` will be equal to 1 + the last set byte, so
+ // skipping two bytes avoids the final separator we just
+ // added.
+ for k := buffer_i-2; k >= head; k -= 1 {
+ if _is_path_separator(buffer[k]) {
+ back_to = k + 1
+ break
+ }
+ }
+ buffer_i = back_to
+ }
+ case:
+ // Copy the path element verbatim and add a separator.
+ copy(buffer[buffer_i:], elem)
+ buffer_i += len(elem)
+ buffer[buffer_i] = _Path_Separator
+ buffer_i += 1
+ }
+ }
+ }
+
+ // Trim the final separator.
+ // NOTE: No need to check if the last byte is a separator, as we always add it.
+ if buffer_i > start {
+ buffer_i -= 1
+ }
+
+ if buffer_i == 0 {
+ return strings.clone(".", allocator)
+ }
+
+ compact := make([]u8, buffer_i, allocator) or_return
+ copy(compact, buffer) // NOTE(bill): buffer[:buffer_i] is redundant here
+ return string(compact), nil
+}
+
+/*
+Return true if `path` is an absolute path as opposed to a relative one.
+*/
+@(require_results)
+is_absolute_path :: proc(path: string) -> bool {
+ return _is_absolute_path(path)
+}
+
+/*
+Get the absolute path to `path` with respect to the process's current directory.
+
+*Allocates Using Provided Allocator*
+*/
+@(require_results)
+get_absolute_path :: proc(path: string, allocator: runtime.Allocator) -> (absolute_path: string, err: Error) {
+ return _get_absolute_path(path, allocator)
+}
+
+/*
+Get the relative path needed to change directories from `base` to `target`.
+
+*Allocates Using Provided Allocator*
+
+The result is such that `join_path(base, get_relative_path(base, target))` is equivalent to `target`.
+
+NOTE: This procedure expects both `base` and `target` to be normalized first,
+which can be done by calling `clean_path` on them if needed.
+
+This procedure will return an `Invalid_Path` error if `base` begins with a
+reference to the parent directory (`".."`). Use `get_working_directory` with
+`join_path` to construct absolute paths for both arguments instead.
+*/
+@(require_results)
+get_relative_path :: proc(base, target: string, allocator: runtime.Allocator) -> (path: string, err: Error) {
+ if _are_paths_identical(base, target) {
+ return strings.clone(".", allocator)
+ }
+ if base == "." {
+ return strings.clone(target, allocator)
+ }
+
+ // This is the first point where Windows and POSIX differ, as Windows has
+ // alphabet-based volumes for root paths.
+ if !_get_relative_path_handle_start(base, target) {
+ return "", .Invalid_Path
+ }
+ if strings.has_prefix(base, "..") && (len(base) == 2 || _is_path_separator(base[2])) {
+ // We could do the work for the user of getting absolute paths for both
+ // arguments, but that could make something costly (repeatedly
+ // normalizing paths) convenient, when it would be better for the user
+ // to store already-finalized paths and operate on those instead.
+ return "", .Invalid_Path
+ }
+
+ // This is the other point where Windows and POSIX differ, as Windows is
+ // case-insensitive.
+ common := _get_common_path_len(base, target)
+
+ // Get the result of splitting `base` and `target` on _Path_Separator,
+ // comparing them up to their most common elements, then count how many
+ // unshared parts are in the split `base`.
+ seps := 0
+ size := 0
+ if len(base)-common > 0 {
+ seps = 1
+ size = 2
+ }
+ // This range skips separators on the ends of the string.
+ for i in common+1..<len(base)-1 {
+ if _is_path_separator(base[i]) {
+ seps += 1
+ size += 3
+ }
+ }
+
+ // Handle the rest of the size calculations.
+ trailing := target[common:]
+ if len(trailing) > 0 {
+ // Account for leading separators on the target after cutting the common part.
+ // (i.e. base == `/home`, target == `/home/a`)
+ if _is_path_separator(trailing[0]) {
+ trailing = trailing[1:]
+ }
+ size += len(trailing)
+ if seps > 0 {
+ size += 1
+ }
+ }
+ if trailing == "." {
+ trailing = ""
+ size -= 2
+ }
+
+ // Build the string.
+ buf := make([]u8, size, allocator) or_return
+ n := 0
+ if seps > 0 {
+ buf[0] = '.'
+ buf[1] = '.'
+ n = 2
+ }
+ for _ in 1..<seps {
+ buf[n] = _Path_Separator
+ buf[n+1] = '.'
+ buf[n+2] = '.'
+ n += 3
+ }
+ if len(trailing) > 0 {
+ if seps > 0 {
+ buf[n] = _Path_Separator
+ n += 1
+ }
+ copy(buf[n:], trailing)
+ }
+
+ path = string(buf)
+
+ return
+}
+
+/*
+Split a path into a directory hierarchy and a filename.
+
+For example, `split_path("/home/foo/bar.tar.gz")` will return `"/home/foo"` and `"bar.tar.gz"`.
+*/
+@(require_results)
+split_path :: proc(path: string) -> (dir, filename: string) {
+ return _split_path(path)
+}
+
+
+/*
+Gets the file name and extension from a path.
+
+e.g.
+ 'path/to/name.tar.gz' -> 'name.tar.gz'
+ 'path/to/name.txt' -> 'name.txt'
+ 'path/to/name' -> 'name'
+
+Returns "." if the path is an empty string.
+*/
+base :: proc(path: string) -> string {
+ if path == "" {
+ return "."
+ }
+
+ _, file := split_path(path)
+ return file
+}
+
+/*
+Gets the name of a file from a path.
+
+The stem of a file is such that `stem(path)` + `ext(path)` = `base(path)`.
+
+Only the last dot is considered when splitting the file extension.
+See `short_stem`.
+
+e.g.
+ 'name.tar.gz' -> 'name.tar'
+ 'name.txt' -> 'name'
+
+Returns an empty string if there is no stem. e.g: '.gitignore'.
+Returns an empty string if there's a trailing path separator.
+*/
+stem :: proc(path: string) -> string {
+ if len(path) > 0 {
+ if is_path_separator(path[len(path) - 1]) {
+ // NOTE(tetra): Trailing separator
+ return ""
+ } else if path[0] == '.' {
+ return ""
+ }
+ }
+
+ // NOTE(tetra): Get the basename
+ path := path
+ if i := strings.last_index_any(path, Path_Separator_Chars); i != -1 {
+ path = path[i+1:]
+ }
+
+ if i := strings.last_index_byte(path, '.'); i != -1 {
+ return path[:i]
+ }
+ return path
+}
+
+/*
+Gets the name of a file from a path.
+
+The short stem is such that `short_stem(path)` + `long_ext(path)` = `base(path)`,
+where `long_ext` is the extension returned by `split_filename_all`.
+
+The first dot is used to split off the file extension, unlike `stem` which uses the last dot.
+
+e.g.
+ 'name.tar.gz' -> 'name'
+ 'name.txt' -> 'name'
+
+Returns an empty string if there is no stem. e.g: '.gitignore'.
+Returns an empty string if there's a trailing path separator.
+*/
+short_stem :: proc(path: string) -> string {
+ s := stem(path)
+ if i := strings.index_byte(s, '.'); i != -1 {
+ return s[:i]
+ }
+ return s
+}
+
+/*
+Gets the file extension from a path, including the dot.
+
+The file extension is such that `stem_path(path)` + `ext(path)` = `base(path)`.
+
+Only the last dot is considered when splitting the file extension.
+See `long_ext`.
+
+e.g.
+ 'name.tar.gz' -> '.gz'
+ 'name.txt' -> '.txt'
+
+Returns an empty string if there is no dot.
+Returns an empty string if there is a trailing path separator.
+*/
+ext :: proc(path: string) -> string {
+ for i := len(path)-1; i >= 0 && !is_path_separator(path[i]); i -= 1 {
+ if path[i] == '.' {
+ return path[i:]
+ }
+ }
+ return ""
+}
+
+/*
+Gets the file extension from a path, including the dot.
+
+The long file extension is such that `short_stem(path)` + `long_ext(path)` = `base(path)`.
+
+The first dot is used to split off the file extension, unlike `ext` which uses the last dot.
+
+e.g.
+ 'name.tar.gz' -> '.tar.gz'
+ 'name.txt' -> '.txt'
+
+Returns an empty string if there is no dot.
+Returns an empty string if there is a trailing path separator.
+*/
+long_ext :: proc(path: string) -> string {
+ if len(path) > 0 && is_path_separator(path[len(path) - 1]) {
+ // NOTE(tetra): Trailing separator
+ return ""
+ }
+
+ // NOTE(tetra): Get the basename
+ path := path
+ if i := strings.last_index_any(path, Path_Separator_Chars); i != -1 {
+ path = path[i+1:]
+ }
+
+ if i := strings.index_byte(path, '.'); i != -1 {
+ return path[i:]
+ }
+
+ return ""
+}
+
+/*
+Join all `elems` with the system's path separator and normalize the result.
+
+*Allocates Using Provided Allocator*
+
+For example, `join_path({"/home", "foo", "bar.txt"})` will result in `"/home/foo/bar.txt"`.
+*/
+@(require_results)
+join_path :: proc(elems: []string, allocator: runtime.Allocator) -> (joined: string, err: runtime.Allocator_Error) {
+ for e, i in elems {
+ if e != "" {
+ temp_allocator := TEMP_ALLOCATOR_GUARD({ allocator })
+ p := strings.join(elems[i:], Path_Separator_String, temp_allocator) or_return
+ return clean_path(p, allocator)
+ }
+ }
+ return "", nil
+}
+
+/*
+Split a filename from its extension.
+
+This procedure splits on the last separator.
+
+If the filename begins with a separator, such as `".readme.txt"`, the separator
+will be included in the filename, resulting in `".readme"` and `"txt"`.
+
+For example, `split_filename("foo.tar.gz")` will return `"foo.tar"` and `"gz"`.
+*/
+@(require_results)
+split_filename :: proc(filename: string) -> (base, ext: string) {
+ i := strings.last_index_byte(filename, '.')
+ if i <= 0 {
+ return filename, ""
+ }
+ return filename[:i], filename[i+1:]
+}
+
+/*
+Split a filename from its extension.
+
+This procedure splits on the first separator.
+
+If the filename begins with a separator, such as `".readme.txt.gz"`, the separator
+will be included in the filename, resulting in `".readme"` and `"txt.gz"`.
+
+For example, `split_filename_all("foo.tar.gz")` will return `"foo"` and `"tar.gz"`.
+*/
+@(require_results)
+split_filename_all :: proc(filename: string) -> (base, ext: string) {
+ i := strings.index_byte(filename, '.')
+ if i == 0 {
+ j := strings.index_byte(filename[1:], '.')
+ if j != -1 {
+ j += 1
+ }
+ i = j
+ }
+ if i == -1 {
+ return filename, ""
+ }
+ return filename[:i], filename[i+1:]
+}
+
+/*
+Join `base` and `ext` with the system's filename extension separator.
+
+*Allocates Using Provided Allocator*
+
+For example, `join_filename("foo", "tar.gz")` will result in `"foo.tar.gz"`.
+*/
+@(require_results)
+join_filename :: proc(base: string, ext: string, allocator: runtime.Allocator) -> (joined: string, err: Error) {
+ if len(base) == 0 {
+ return strings.clone(ext, allocator)
+ } else if len(ext) == 0 {
+ return strings.clone(base, allocator)
+ }
+
+ buf := make([]u8, len(base) + 1 + len(ext), allocator) or_return
+ copy(buf, base)
+ buf[len(base)] = '.'
+ copy(buf[1+len(base):], ext)
+
+ return string(buf), nil
+}
+
+/*
+Split a string that is separated by a system-specific separator, typically used
+for environment variables specifying multiple directories.
+
+*Allocates Using Provided Allocator*
+
+For example, there is the "PATH" environment variable on POSIX systems which
+this procedure can split into separate entries.
+*/
+@(require_results)
+split_path_list :: proc(path: string, allocator: runtime.Allocator) -> (list: []string, err: Error) {
+ if path == "" {
+ return nil, nil
+ }
+
+ start: int
+ quote: bool
+
+ start, quote = 0, false
+ count := 0
+
+ for i := 0; i < len(path); i += 1 {
+ c := path[i]
+ switch {
+ case c == '"':
+ quote = !quote
+ case c == Path_List_Separator && !quote:
+ count += 1
+ }
+ }
+
+ start, quote = 0, false
+ list = make([]string, count + 1, allocator) or_return
+ index := 0
+ for i := 0; i < len(path); i += 1 {
+ c := path[i]
+ switch {
+ case c == '"':
+ quote = !quote
+ case c == Path_List_Separator && !quote:
+ list[index] = path[start:i]
+ index += 1
+ start = i + 1
+ }
+ }
+ assert(index == count)
+ list[index] = path[start:]
+
+ for s0, i in list {
+ s, new := strings.replace_all(s0, `"`, ``, allocator)
+ if !new {
+ s = strings.clone(s, allocator) or_return
+ }
+ list[i] = s
+ }
+
+ return list, nil
+}
+
+/*
+`match` states whether "name" matches the shell pattern
+
+Pattern syntax is:
+ pattern:
+ {term}
+ term:
+ '*' matches any sequence of non-/ characters
+ '?' matches any single non-/ character
+ '[' ['^'] { character-range } ']'
+ character classification (cannot be empty)
+ c matches character c (c != '*', '?', '\\', '[')
+ '\\' c matches character c
+
+ character-range
+ c matches character c (c != '\\', '-', ']')
+ '\\' c matches character c
+ lo '-' hi matches character c for lo <= c <= hi
+
+`match` requires that the pattern matches the entirety of the name, not just a substring.
+The only possible error returned is `.Syntax_Error` or an allocation error.
+
+NOTE(bill): This is effectively the shell pattern matching system found
+*/
+match :: proc(pattern, name: string) -> (matched: bool, err: Error) {
+ pattern, name := pattern, name
+ pattern_loop: for len(pattern) > 0 {
+ star: bool
+ chunk: string
+ star, chunk, pattern = scan_chunk(pattern)
+ if star && chunk == "" {
+ return !strings.contains(name, _Path_Separator_String), nil
+ }
+
+ t, ok := match_chunk(chunk, name) or_return
+
+ if ok && (len(t) == 0 || len(pattern) > 0) {
+ name = t
+ continue
+ }
+
+ if star {
+ for i := 0; i < len(name) && name[i] != _Path_Separator; i += 1 {
+ t, ok = match_chunk(chunk, name[i+1:]) or_return
+ if ok {
+ if len(pattern) == 0 && len(t) > 0 {
+ continue
+ }
+ name = t
+ continue pattern_loop
+ }
+ }
+ }
+
+ return false, nil
+ }
+
+ return len(name) == 0, nil
+}
+
+// glob returns the names of all files matching pattern or nil if there are no matching files
+// The syntax of patterns is the same as "match".
+// The pattern may describe hierarchical names such as /usr/*/bin (assuming '/' is a separator)
+//
+// glob ignores file system errors
+//
+glob :: proc(pattern: string, allocator := context.allocator) -> (matches: []string, err: Error) {
+ _split :: proc(path: string) -> (dir, file: string) {
+ vol := volume_name(path)
+ i := len(path) - 1
+ for i >= len(vol) && !is_path_separator(path[i]) {
+ i -= 1
+ }
+ return path[:i+1], path[i+1:]
+ }
+
+ context.allocator = allocator
+
+ if !has_meta(pattern) {
+ // TODO(bill): os.lstat on here to check for error
+ m := make([]string, 1)
+ m[0] = pattern
+ return m[:], nil
+ }
+
+ // NOTE(Jeroen): For `glob`, we need this version of `split`, which leaves the trailing `/` on `dir`.
+ dir, file := _split(pattern)
+
+ temp_buf: [8]byte
+ vol_len: int
+ vol_len, dir = clean_glob_path(dir, temp_buf[:])
+
+ if !has_meta(dir[vol_len:]) {
+ m, e := _glob(dir, file, nil)
+ return m[:], e
+ }
+
+ m := glob(dir) or_return
+ defer {
+ for s in m {
+ delete(s)
+ }
+ delete(m)
+ }
+
+ dmatches := make([dynamic]string, 0, 0)
+ for d in m {
+ dmatches, err = _glob(d, file, &dmatches)
+ if err != nil {
+ break
+ }
+ }
+ if len(dmatches) > 0 {
+ matches = dmatches[:]
+ }
+ return
+}
+
+/*
+ Returns leading volume name.
+
+ e.g.
+ "C:\foo\bar\baz" will return "C:" on Windows.
+ Everything else will be "".
+*/
+volume_name :: proc(path: string) -> string {
+ when ODIN_OS == .Windows {
+ return path[:_volume_name_len(path)]
+ } else {
+ return ""
+ }
+}
+
+@(private="file")
+scan_chunk :: proc(pattern: string) -> (star: bool, chunk, rest: string) {
+ pattern := pattern
+ for len(pattern) > 0 && pattern[0] == '*' {
+ pattern = pattern[1:]
+ star = true
+ }
+
+ in_range, i := false, 0
+
+ scan_loop: for i = 0; i < len(pattern); i += 1 {
+ switch pattern[i] {
+ case '\\':
+ when ODIN_OS != .Windows {
+ if i+1 < len(pattern) {
+ i += 1
+ }
+ }
+ case '[':
+ in_range = true
+ case ']':
+ in_range = false
+ case '*':
+ in_range or_break scan_loop
+
+ }
+ }
+ return star, pattern[:i], pattern[i:]
+}
+
+@(private="file")
+match_chunk :: proc(chunk, s: string) -> (rest: string, ok: bool, err: Error) {
+ slash_equal :: proc(a, b: u8) -> bool {
+ switch a {
+ case '/': return b == '/' || b == '\\'
+ case '\\': return b == '/' || b == '\\'
+ case: return a == b
+ }
+ }
+
+ chunk, s := chunk, s
+ for len(chunk) > 0 {
+ if len(s) == 0 {
+ return
+ }
+ switch chunk[0] {
+ case '[':
+ r, w := utf8.decode_rune_in_string(s)
+ s = s[w:]
+ chunk = chunk[1:]
+ is_negated := false
+ if len(chunk) > 0 && chunk[0] == '^' {
+ is_negated = true
+ chunk = chunk[1:]
+ }
+ match := false
+ range_count := 0
+ for {
+ if len(chunk) > 0 && chunk[0] == ']' && range_count > 0 {
+ chunk = chunk[1:]
+ break
+ }
+ lo, hi: rune
+ if lo, chunk, err = get_escape(chunk); err != nil {
+ return
+ }
+ hi = lo
+ if chunk[0] == '-' {
+ if hi, chunk, err = get_escape(chunk[1:]); err != nil {
+ return
+ }
+ }
+
+ if lo <= r && r <= hi {
+ match = true
+ }
+ range_count += 1
+ }
+ if match == is_negated {
+ return
+ }
+
+ case '?':
+ if s[0] == _Path_Separator {
+ return
+ }
+ _, w := utf8.decode_rune_in_string(s)
+ s = s[w:]
+ chunk = chunk[1:]
+
+ case '\\':
+ when ODIN_OS != .Windows {
+ chunk = chunk[1:]
+ if len(chunk) == 0 {
+ err = .Pattern_Syntax_Error
+ return
+ }
+ }
+ fallthrough
+ case:
+ if !slash_equal(chunk[0], s[0]) {
+ return
+ }
+ s = s[1:]
+ chunk = chunk[1:]
+
+ }
+ }
+ return s, true, nil
+}
+
+@(private="file")
+get_escape :: proc(chunk: string) -> (r: rune, next_chunk: string, err: Error) {
+ if len(chunk) == 0 || chunk[0] == '-' || chunk[0] == ']' {
+ err = .Pattern_Syntax_Error
+ return
+ }
+ chunk := chunk
+ if chunk[0] == '\\' && ODIN_OS != .Windows {
+ chunk = chunk[1:]
+ if len(chunk) == 0 {
+ err = .Pattern_Syntax_Error
+ return
+ }
+ }
+
+ w: int
+ r, w = utf8.decode_rune_in_string(chunk)
+ if r == utf8.RUNE_ERROR && w == 1 {
+ err = .Pattern_Syntax_Error
+ }
+
+ next_chunk = chunk[w:]
+ if len(next_chunk) == 0 {
+ err = .Pattern_Syntax_Error
+ }
+
+ return
+}
+
+// Internal implementation of `glob`, not meant to be used by the user. Prefer `glob`.
+_glob :: proc(dir, pattern: string, matches: ^[dynamic]string, allocator := context.allocator) -> (m: [dynamic]string, e: Error) {
+ context.allocator = allocator
+
+ if matches != nil {
+ m = matches^
+ } else {
+ m = make([dynamic]string, 0, 0)
+ }
+
+
+ d := open(dir, O_RDONLY) or_return
+ defer close(d)
+
+ file_info := fstat(d, allocator) or_return
+ defer file_info_delete(file_info, allocator)
+
+ if file_info.type != .Directory {
+ return
+ }
+
+ fis, _ := read_dir(d, -1, allocator)
+ slice.sort_by(fis, proc(a, b: File_Info) -> bool {
+ return a.name < b.name
+ })
+ defer file_info_slice_delete(fis, allocator)
+
+ for fi in fis {
+ matched := match(pattern, fi.name) or_return
+ if matched {
+ matched_path := join_path({dir, fi.name}, allocator) or_return
+ append(&m, matched_path)
+ }
+ }
+ return
+}
+
+@(private)
+has_meta :: proc(path: string) -> bool {
+ when ODIN_OS == .Windows {
+ CHARS :: `*?[`
+ } else {
+ CHARS :: `*?[\`
+ }
+ return strings.contains_any(path, CHARS)
+}
+
+@(private)
+clean_glob_path :: proc(path: string, temp_buf: []byte) -> (int, string) {
+ when ODIN_OS == .Windows {
+ vol_len := _volume_name_len(path)
+ switch {
+ case path == "":
+ return 0, "."
+ case vol_len+1 == len(path) && is_path_separator(path[len(path)-1]): // /, \, C:\, C:/
+ return vol_len+1, path
+ case vol_len == len(path) && len(path) == 2: // C:
+ copy(temp_buf[:], path)
+ temp_buf[2] = '.'
+ return vol_len, string(temp_buf[:3])
+ }
+
+ if vol_len >= len(path) {
+ vol_len = len(path) -1
+ }
+ return vol_len, path[:len(path)-1]
+ } else {
+ switch path {
+ case "":
+ return 0, "."
+ case Path_Separator_String:
+ return 0, path
+ }
+ return 0, path[:len(path)-1]
+ }
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2026-02-15 03:29:36 +0000