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-rw-r--r--vendor/globset/src/glob.rs1528
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diff --git a/vendor/globset/src/glob.rs b/vendor/globset/src/glob.rs
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+use std::fmt;
+use std::hash;
+use std::iter;
+use std::ops::{Deref, DerefMut};
+use std::path::{is_separator, Path};
+use std::str;
+
+use regex;
+use regex::bytes::Regex;
+
+use crate::{new_regex, Candidate, Error, ErrorKind};
+
+/// Describes a matching strategy for a particular pattern.
+///
+/// This provides a way to more quickly determine whether a pattern matches
+/// a particular file path in a way that scales with a large number of
+/// patterns. For example, if many patterns are of the form `*.ext`, then it's
+/// possible to test whether any of those patterns matches by looking up a
+/// file path's extension in a hash table.
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum MatchStrategy {
+ /// A pattern matches if and only if the entire file path matches this
+ /// literal string.
+ Literal(String),
+ /// A pattern matches if and only if the file path's basename matches this
+ /// literal string.
+ BasenameLiteral(String),
+ /// A pattern matches if and only if the file path's extension matches this
+ /// literal string.
+ Extension(String),
+ /// A pattern matches if and only if this prefix literal is a prefix of the
+ /// candidate file path.
+ Prefix(String),
+ /// A pattern matches if and only if this prefix literal is a prefix of the
+ /// candidate file path.
+ ///
+ /// An exception: if `component` is true, then `suffix` must appear at the
+ /// beginning of a file path or immediately following a `/`.
+ Suffix {
+ /// The actual suffix.
+ suffix: String,
+ /// Whether this must start at the beginning of a path component.
+ component: bool,
+ },
+ /// A pattern matches only if the given extension matches the file path's
+ /// extension. Note that this is a necessary but NOT sufficient criterion.
+ /// Namely, if the extension matches, then a full regex search is still
+ /// required.
+ RequiredExtension(String),
+ /// A regex needs to be used for matching.
+ Regex,
+}
+
+impl MatchStrategy {
+ /// Returns a matching strategy for the given pattern.
+ pub fn new(pat: &Glob) -> MatchStrategy {
+ if let Some(lit) = pat.basename_literal() {
+ MatchStrategy::BasenameLiteral(lit)
+ } else if let Some(lit) = pat.literal() {
+ MatchStrategy::Literal(lit)
+ } else if let Some(ext) = pat.ext() {
+ MatchStrategy::Extension(ext)
+ } else if let Some(prefix) = pat.prefix() {
+ MatchStrategy::Prefix(prefix)
+ } else if let Some((suffix, component)) = pat.suffix() {
+ MatchStrategy::Suffix { suffix: suffix, component: component }
+ } else if let Some(ext) = pat.required_ext() {
+ MatchStrategy::RequiredExtension(ext)
+ } else {
+ MatchStrategy::Regex
+ }
+ }
+}
+
+/// Glob represents a successfully parsed shell glob pattern.
+///
+/// It cannot be used directly to match file paths, but it can be converted
+/// to a regular expression string or a matcher.
+#[derive(Clone, Debug, Eq)]
+pub struct Glob {
+ glob: String,
+ re: String,
+ opts: GlobOptions,
+ tokens: Tokens,
+}
+
+impl PartialEq for Glob {
+ fn eq(&self, other: &Glob) -> bool {
+ self.glob == other.glob && self.opts == other.opts
+ }
+}
+
+impl hash::Hash for Glob {
+ fn hash<H: hash::Hasher>(&self, state: &mut H) {
+ self.glob.hash(state);
+ self.opts.hash(state);
+ }
+}
+
+impl fmt::Display for Glob {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+ self.glob.fmt(f)
+ }
+}
+
+impl str::FromStr for Glob {
+ type Err = Error;
+
+ fn from_str(glob: &str) -> Result<Self, Self::Err> {
+ Self::new(glob)
+ }
+}
+
+/// A matcher for a single pattern.
+#[derive(Clone, Debug)]
+pub struct GlobMatcher {
+ /// The underlying pattern.
+ pat: Glob,
+ /// The pattern, as a compiled regex.
+ re: Regex,
+}
+
+impl GlobMatcher {
+ /// Tests whether the given path matches this pattern or not.
+ pub fn is_match<P: AsRef<Path>>(&self, path: P) -> bool {
+ self.is_match_candidate(&Candidate::new(path.as_ref()))
+ }
+
+ /// Tests whether the given path matches this pattern or not.
+ pub fn is_match_candidate(&self, path: &Candidate<'_>) -> bool {
+ self.re.is_match(&path.path)
+ }
+
+ /// Returns the `Glob` used to compile this matcher.
+ pub fn glob(&self) -> &Glob {
+ &self.pat
+ }
+}
+
+/// A strategic matcher for a single pattern.
+#[cfg(test)]
+#[derive(Clone, Debug)]
+struct GlobStrategic {
+ /// The match strategy to use.
+ strategy: MatchStrategy,
+ /// The pattern, as a compiled regex.
+ re: Regex,
+}
+
+#[cfg(test)]
+impl GlobStrategic {
+ /// Tests whether the given path matches this pattern or not.
+ fn is_match<P: AsRef<Path>>(&self, path: P) -> bool {
+ self.is_match_candidate(&Candidate::new(path.as_ref()))
+ }
+
+ /// Tests whether the given path matches this pattern or not.
+ fn is_match_candidate(&self, candidate: &Candidate<'_>) -> bool {
+ let byte_path = &*candidate.path;
+
+ match self.strategy {
+ MatchStrategy::Literal(ref lit) => lit.as_bytes() == byte_path,
+ MatchStrategy::BasenameLiteral(ref lit) => {
+ lit.as_bytes() == &*candidate.basename
+ }
+ MatchStrategy::Extension(ref ext) => {
+ ext.as_bytes() == &*candidate.ext
+ }
+ MatchStrategy::Prefix(ref pre) => {
+ starts_with(pre.as_bytes(), byte_path)
+ }
+ MatchStrategy::Suffix { ref suffix, component } => {
+ if component && byte_path == &suffix.as_bytes()[1..] {
+ return true;
+ }
+ ends_with(suffix.as_bytes(), byte_path)
+ }
+ MatchStrategy::RequiredExtension(ref ext) => {
+ let ext = ext.as_bytes();
+ &*candidate.ext == ext && self.re.is_match(byte_path)
+ }
+ MatchStrategy::Regex => self.re.is_match(byte_path),
+ }
+ }
+}
+
+/// A builder for a pattern.
+///
+/// This builder enables configuring the match semantics of a pattern. For
+/// example, one can make matching case insensitive.
+///
+/// The lifetime `'a` refers to the lifetime of the pattern string.
+#[derive(Clone, Debug)]
+pub struct GlobBuilder<'a> {
+ /// The glob pattern to compile.
+ glob: &'a str,
+ /// Options for the pattern.
+ opts: GlobOptions,
+}
+
+#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
+struct GlobOptions {
+ /// Whether to match case insensitively.
+ case_insensitive: bool,
+ /// Whether to require a literal separator to match a separator in a file
+ /// path. e.g., when enabled, `*` won't match `/`.
+ literal_separator: bool,
+ /// Whether or not to use `\` to escape special characters.
+ /// e.g., when enabled, `\*` will match a literal `*`.
+ backslash_escape: bool,
+}
+
+impl GlobOptions {
+ fn default() -> GlobOptions {
+ GlobOptions {
+ case_insensitive: false,
+ literal_separator: false,
+ backslash_escape: !is_separator('\\'),
+ }
+ }
+}
+
+#[derive(Clone, Debug, Default, Eq, PartialEq)]
+struct Tokens(Vec<Token>);
+
+impl Deref for Tokens {
+ type Target = Vec<Token>;
+ fn deref(&self) -> &Vec<Token> {
+ &self.0
+ }
+}
+
+impl DerefMut for Tokens {
+ fn deref_mut(&mut self) -> &mut Vec<Token> {
+ &mut self.0
+ }
+}
+
+#[derive(Clone, Debug, Eq, PartialEq)]
+enum Token {
+ Literal(char),
+ Any,
+ ZeroOrMore,
+ RecursivePrefix,
+ RecursiveSuffix,
+ RecursiveZeroOrMore,
+ Class { negated: bool, ranges: Vec<(char, char)> },
+ Alternates(Vec<Tokens>),
+}
+
+impl Glob {
+ /// Builds a new pattern with default options.
+ pub fn new(glob: &str) -> Result<Glob, Error> {
+ GlobBuilder::new(glob).build()
+ }
+
+ /// Returns a matcher for this pattern.
+ pub fn compile_matcher(&self) -> GlobMatcher {
+ let re =
+ new_regex(&self.re).expect("regex compilation shouldn't fail");
+ GlobMatcher { pat: self.clone(), re: re }
+ }
+
+ /// Returns a strategic matcher.
+ ///
+ /// This isn't exposed because it's not clear whether it's actually
+ /// faster than just running a regex for a *single* pattern. If it
+ /// is faster, then GlobMatcher should do it automatically.
+ #[cfg(test)]
+ fn compile_strategic_matcher(&self) -> GlobStrategic {
+ let strategy = MatchStrategy::new(self);
+ let re =
+ new_regex(&self.re).expect("regex compilation shouldn't fail");
+ GlobStrategic { strategy: strategy, re: re }
+ }
+
+ /// Returns the original glob pattern used to build this pattern.
+ pub fn glob(&self) -> &str {
+ &self.glob
+ }
+
+ /// Returns the regular expression string for this glob.
+ ///
+ /// Note that regular expressions for globs are intended to be matched on
+ /// arbitrary bytes (`&[u8]`) instead of Unicode strings (`&str`). In
+ /// particular, globs are frequently used on file paths, where there is no
+ /// general guarantee that file paths are themselves valid UTF-8. As a
+ /// result, callers will need to ensure that they are using a regex API
+ /// that can match on arbitrary bytes. For example, the
+ /// [`regex`](https://crates.io/regex)
+ /// crate's
+ /// [`Regex`](https://docs.rs/regex/*/regex/struct.Regex.html)
+ /// API is not suitable for this since it matches on `&str`, but its
+ /// [`bytes::Regex`](https://docs.rs/regex/*/regex/bytes/struct.Regex.html)
+ /// API is suitable for this.
+ pub fn regex(&self) -> &str {
+ &self.re
+ }
+
+ /// Returns the pattern as a literal if and only if the pattern must match
+ /// an entire path exactly.
+ ///
+ /// The basic format of these patterns is `{literal}`.
+ fn literal(&self) -> Option<String> {
+ if self.opts.case_insensitive {
+ return None;
+ }
+ let mut lit = String::new();
+ for t in &*self.tokens {
+ match *t {
+ Token::Literal(c) => lit.push(c),
+ _ => return None,
+ }
+ }
+ if lit.is_empty() {
+ None
+ } else {
+ Some(lit)
+ }
+ }
+
+ /// Returns an extension if this pattern matches a file path if and only
+ /// if the file path has the extension returned.
+ ///
+ /// Note that this extension returned differs from the extension that
+ /// std::path::Path::extension returns. Namely, this extension includes
+ /// the '.'. Also, paths like `.rs` are considered to have an extension
+ /// of `.rs`.
+ fn ext(&self) -> Option<String> {
+ if self.opts.case_insensitive {
+ return None;
+ }
+ let start = match self.tokens.get(0) {
+ Some(&Token::RecursivePrefix) => 1,
+ Some(_) => 0,
+ _ => return None,
+ };
+ match self.tokens.get(start) {
+ Some(&Token::ZeroOrMore) => {
+ // If there was no recursive prefix, then we only permit
+ // `*` if `*` can match a `/`. For example, if `*` can't
+ // match `/`, then `*.c` doesn't match `foo/bar.c`.
+ if start == 0 && self.opts.literal_separator {
+ return None;
+ }
+ }
+ _ => return None,
+ }
+ match self.tokens.get(start + 1) {
+ Some(&Token::Literal('.')) => {}
+ _ => return None,
+ }
+ let mut lit = ".".to_string();
+ for t in self.tokens[start + 2..].iter() {
+ match *t {
+ Token::Literal('.') | Token::Literal('/') => return None,
+ Token::Literal(c) => lit.push(c),
+ _ => return None,
+ }
+ }
+ if lit.is_empty() {
+ None
+ } else {
+ Some(lit)
+ }
+ }
+
+ /// This is like `ext`, but returns an extension even if it isn't sufficient
+ /// to imply a match. Namely, if an extension is returned, then it is
+ /// necessary but not sufficient for a match.
+ fn required_ext(&self) -> Option<String> {
+ if self.opts.case_insensitive {
+ return None;
+ }
+ // We don't care at all about the beginning of this pattern. All we
+ // need to check for is if it ends with a literal of the form `.ext`.
+ let mut ext: Vec<char> = vec![]; // built in reverse
+ for t in self.tokens.iter().rev() {
+ match *t {
+ Token::Literal('/') => return None,
+ Token::Literal(c) => {
+ ext.push(c);
+ if c == '.' {
+ break;
+ }
+ }
+ _ => return None,
+ }
+ }
+ if ext.last() != Some(&'.') {
+ None
+ } else {
+ ext.reverse();
+ Some(ext.into_iter().collect())
+ }
+ }
+
+ /// Returns a literal prefix of this pattern if the entire pattern matches
+ /// if the literal prefix matches.
+ fn prefix(&self) -> Option<String> {
+ if self.opts.case_insensitive {
+ return None;
+ }
+ let (end, need_sep) = match self.tokens.last() {
+ Some(&Token::ZeroOrMore) => {
+ if self.opts.literal_separator {
+ // If a trailing `*` can't match a `/`, then we can't
+ // assume a match of the prefix corresponds to a match
+ // of the overall pattern. e.g., `foo/*` with
+ // `literal_separator` enabled matches `foo/bar` but not
+ // `foo/bar/baz`, even though `foo/bar/baz` has a `foo/`
+ // literal prefix.
+ return None;
+ }
+ (self.tokens.len() - 1, false)
+ }
+ Some(&Token::RecursiveSuffix) => (self.tokens.len() - 1, true),
+ _ => (self.tokens.len(), false),
+ };
+ let mut lit = String::new();
+ for t in &self.tokens[0..end] {
+ match *t {
+ Token::Literal(c) => lit.push(c),
+ _ => return None,
+ }
+ }
+ if need_sep {
+ lit.push('/');
+ }
+ if lit.is_empty() {
+ None
+ } else {
+ Some(lit)
+ }
+ }
+
+ /// Returns a literal suffix of this pattern if the entire pattern matches
+ /// if the literal suffix matches.
+ ///
+ /// If a literal suffix is returned and it must match either the entire
+ /// file path or be preceded by a `/`, then also return true. This happens
+ /// with a pattern like `**/foo/bar`. Namely, this pattern matches
+ /// `foo/bar` and `baz/foo/bar`, but not `foofoo/bar`. In this case, the
+ /// suffix returned is `/foo/bar` (but should match the entire path
+ /// `foo/bar`).
+ ///
+ /// When this returns true, the suffix literal is guaranteed to start with
+ /// a `/`.
+ fn suffix(&self) -> Option<(String, bool)> {
+ if self.opts.case_insensitive {
+ return None;
+ }
+ let mut lit = String::new();
+ let (start, entire) = match self.tokens.get(0) {
+ Some(&Token::RecursivePrefix) => {
+ // We only care if this follows a path component if the next
+ // token is a literal.
+ if let Some(&Token::Literal(_)) = self.tokens.get(1) {
+ lit.push('/');
+ (1, true)
+ } else {
+ (1, false)
+ }
+ }
+ _ => (0, false),
+ };
+ let start = match self.tokens.get(start) {
+ Some(&Token::ZeroOrMore) => {
+ // If literal_separator is enabled, then a `*` can't
+ // necessarily match everything, so reporting a suffix match
+ // as a match of the pattern would be a false positive.
+ if self.opts.literal_separator {
+ return None;
+ }
+ start + 1
+ }
+ _ => start,
+ };
+ for t in &self.tokens[start..] {
+ match *t {
+ Token::Literal(c) => lit.push(c),
+ _ => return None,
+ }
+ }
+ if lit.is_empty() || lit == "/" {
+ None
+ } else {
+ Some((lit, entire))
+ }
+ }
+
+ /// If this pattern only needs to inspect the basename of a file path,
+ /// then the tokens corresponding to only the basename match are returned.
+ ///
+ /// For example, given a pattern of `**/*.foo`, only the tokens
+ /// corresponding to `*.foo` are returned.
+ ///
+ /// Note that this will return None if any match of the basename tokens
+ /// doesn't correspond to a match of the entire pattern. For example, the
+ /// glob `foo` only matches when a file path has a basename of `foo`, but
+ /// doesn't *always* match when a file path has a basename of `foo`. e.g.,
+ /// `foo` doesn't match `abc/foo`.
+ fn basename_tokens(&self) -> Option<&[Token]> {
+ if self.opts.case_insensitive {
+ return None;
+ }
+ let start = match self.tokens.get(0) {
+ Some(&Token::RecursivePrefix) => 1,
+ _ => {
+ // With nothing to gobble up the parent portion of a path,
+ // we can't assume that matching on only the basename is
+ // correct.
+ return None;
+ }
+ };
+ if self.tokens[start..].is_empty() {
+ return None;
+ }
+ for t in &self.tokens[start..] {
+ match *t {
+ Token::Literal('/') => return None,
+ Token::Literal(_) => {} // OK
+ Token::Any | Token::ZeroOrMore => {
+ if !self.opts.literal_separator {
+ // In this case, `*` and `?` can match a path
+ // separator, which means this could reach outside
+ // the basename.
+ return None;
+ }
+ }
+ Token::RecursivePrefix
+ | Token::RecursiveSuffix
+ | Token::RecursiveZeroOrMore => {
+ return None;
+ }
+ Token::Class { .. } | Token::Alternates(..) => {
+ // We *could* be a little smarter here, but either one
+ // of these is going to prevent our literal optimizations
+ // anyway, so give up.
+ return None;
+ }
+ }
+ }
+ Some(&self.tokens[start..])
+ }
+
+ /// Returns the pattern as a literal if and only if the pattern exclusively
+ /// matches the basename of a file path *and* is a literal.
+ ///
+ /// The basic format of these patterns is `**/{literal}`, where `{literal}`
+ /// does not contain a path separator.
+ fn basename_literal(&self) -> Option<String> {
+ let tokens = match self.basename_tokens() {
+ None => return None,
+ Some(tokens) => tokens,
+ };
+ let mut lit = String::new();
+ for t in tokens {
+ match *t {
+ Token::Literal(c) => lit.push(c),
+ _ => return None,
+ }
+ }
+ Some(lit)
+ }
+}
+
+impl<'a> GlobBuilder<'a> {
+ /// Create a new builder for the pattern given.
+ ///
+ /// The pattern is not compiled until `build` is called.
+ pub fn new(glob: &'a str) -> GlobBuilder<'a> {
+ GlobBuilder { glob: glob, opts: GlobOptions::default() }
+ }
+
+ /// Parses and builds the pattern.
+ pub fn build(&self) -> Result<Glob, Error> {
+ let mut p = Parser {
+ glob: &self.glob,
+ stack: vec![Tokens::default()],
+ chars: self.glob.chars().peekable(),
+ prev: None,
+ cur: None,
+ opts: &self.opts,
+ };
+ p.parse()?;
+ if p.stack.is_empty() {
+ Err(Error {
+ glob: Some(self.glob.to_string()),
+ kind: ErrorKind::UnopenedAlternates,
+ })
+ } else if p.stack.len() > 1 {
+ Err(Error {
+ glob: Some(self.glob.to_string()),
+ kind: ErrorKind::UnclosedAlternates,
+ })
+ } else {
+ let tokens = p.stack.pop().unwrap();
+ Ok(Glob {
+ glob: self.glob.to_string(),
+ re: tokens.to_regex_with(&self.opts),
+ opts: self.opts,
+ tokens: tokens,
+ })
+ }
+ }
+
+ /// Toggle whether the pattern matches case insensitively or not.
+ ///
+ /// This is disabled by default.
+ pub fn case_insensitive(&mut self, yes: bool) -> &mut GlobBuilder<'a> {
+ self.opts.case_insensitive = yes;
+ self
+ }
+
+ /// Toggle whether a literal `/` is required to match a path separator.
+ ///
+ /// By default this is false: `*` and `?` will match `/`.
+ pub fn literal_separator(&mut self, yes: bool) -> &mut GlobBuilder<'a> {
+ self.opts.literal_separator = yes;
+ self
+ }
+
+ /// When enabled, a back slash (`\`) may be used to escape
+ /// special characters in a glob pattern. Additionally, this will
+ /// prevent `\` from being interpreted as a path separator on all
+ /// platforms.
+ ///
+ /// This is enabled by default on platforms where `\` is not a
+ /// path separator and disabled by default on platforms where `\`
+ /// is a path separator.
+ pub fn backslash_escape(&mut self, yes: bool) -> &mut GlobBuilder<'a> {
+ self.opts.backslash_escape = yes;
+ self
+ }
+}
+
+impl Tokens {
+ /// Convert this pattern to a string that is guaranteed to be a valid
+ /// regular expression and will represent the matching semantics of this
+ /// glob pattern and the options given.
+ fn to_regex_with(&self, options: &GlobOptions) -> String {
+ let mut re = String::new();
+ re.push_str("(?-u)");
+ if options.case_insensitive {
+ re.push_str("(?i)");
+ }
+ re.push('^');
+ // Special case. If the entire glob is just `**`, then it should match
+ // everything.
+ if self.len() == 1 && self[0] == Token::RecursivePrefix {
+ re.push_str(".*");
+ re.push('$');
+ return re;
+ }
+ self.tokens_to_regex(options, &self, &mut re);
+ re.push('$');
+ re
+ }
+
+ fn tokens_to_regex(
+ &self,
+ options: &GlobOptions,
+ tokens: &[Token],
+ re: &mut String,
+ ) {
+ for tok in tokens {
+ match *tok {
+ Token::Literal(c) => {
+ re.push_str(&char_to_escaped_literal(c));
+ }
+ Token::Any => {
+ if options.literal_separator {
+ re.push_str("[^/]");
+ } else {
+ re.push_str(".");
+ }
+ }
+ Token::ZeroOrMore => {
+ if options.literal_separator {
+ re.push_str("[^/]*");
+ } else {
+ re.push_str(".*");
+ }
+ }
+ Token::RecursivePrefix => {
+ re.push_str("(?:/?|.*/)");
+ }
+ Token::RecursiveSuffix => {
+ re.push_str("/.*");
+ }
+ Token::RecursiveZeroOrMore => {
+ re.push_str("(?:/|/.*/)");
+ }
+ Token::Class { negated, ref ranges } => {
+ re.push('[');
+ if negated {
+ re.push('^');
+ }
+ for r in ranges {
+ if r.0 == r.1 {
+ // Not strictly necessary, but nicer to look at.
+ re.push_str(&char_to_escaped_literal(r.0));
+ } else {
+ re.push_str(&char_to_escaped_literal(r.0));
+ re.push('-');
+ re.push_str(&char_to_escaped_literal(r.1));
+ }
+ }
+ re.push(']');
+ }
+ Token::Alternates(ref patterns) => {
+ let mut parts = vec![];
+ for pat in patterns {
+ let mut altre = String::new();
+ self.tokens_to_regex(options, &pat, &mut altre);
+ if !altre.is_empty() {
+ parts.push(altre);
+ }
+ }
+
+ // It is possible to have an empty set in which case the
+ // resulting alternation '()' would be an error.
+ if !parts.is_empty() {
+ re.push('(');
+ re.push_str(&parts.join("|"));
+ re.push(')');
+ }
+ }
+ }
+ }
+ }
+}
+
+/// Convert a Unicode scalar value to an escaped string suitable for use as
+/// a literal in a non-Unicode regex.
+fn char_to_escaped_literal(c: char) -> String {
+ bytes_to_escaped_literal(&c.to_string().into_bytes())
+}
+
+/// Converts an arbitrary sequence of bytes to a UTF-8 string. All non-ASCII
+/// code units are converted to their escaped form.
+fn bytes_to_escaped_literal(bs: &[u8]) -> String {
+ let mut s = String::with_capacity(bs.len());
+ for &b in bs {
+ if b <= 0x7F {
+ s.push_str(&regex::escape(&(b as char).to_string()));
+ } else {
+ s.push_str(&format!("\\x{:02x}", b));
+ }
+ }
+ s
+}
+
+struct Parser<'a> {
+ glob: &'a str,
+ stack: Vec<Tokens>,
+ chars: iter::Peekable<str::Chars<'a>>,
+ prev: Option<char>,
+ cur: Option<char>,
+ opts: &'a GlobOptions,
+}
+
+impl<'a> Parser<'a> {
+ fn error(&self, kind: ErrorKind) -> Error {
+ Error { glob: Some(self.glob.to_string()), kind: kind }
+ }
+
+ fn parse(&mut self) -> Result<(), Error> {
+ while let Some(c) = self.bump() {
+ match c {
+ '?' => self.push_token(Token::Any)?,
+ '*' => self.parse_star()?,
+ '[' => self.parse_class()?,
+ '{' => self.push_alternate()?,
+ '}' => self.pop_alternate()?,
+ ',' => self.parse_comma()?,
+ '\\' => self.parse_backslash()?,
+ c => self.push_token(Token::Literal(c))?,
+ }
+ }
+ Ok(())
+ }
+
+ fn push_alternate(&mut self) -> Result<(), Error> {
+ if self.stack.len() > 1 {
+ return Err(self.error(ErrorKind::NestedAlternates));
+ }
+ Ok(self.stack.push(Tokens::default()))
+ }
+
+ fn pop_alternate(&mut self) -> Result<(), Error> {
+ let mut alts = vec![];
+ while self.stack.len() >= 2 {
+ alts.push(self.stack.pop().unwrap());
+ }
+ self.push_token(Token::Alternates(alts))
+ }
+
+ fn push_token(&mut self, tok: Token) -> Result<(), Error> {
+ if let Some(ref mut pat) = self.stack.last_mut() {
+ return Ok(pat.push(tok));
+ }
+ Err(self.error(ErrorKind::UnopenedAlternates))
+ }
+
+ fn pop_token(&mut self) -> Result<Token, Error> {
+ if let Some(ref mut pat) = self.stack.last_mut() {
+ return Ok(pat.pop().unwrap());
+ }
+ Err(self.error(ErrorKind::UnopenedAlternates))
+ }
+
+ fn have_tokens(&self) -> Result<bool, Error> {
+ match self.stack.last() {
+ None => Err(self.error(ErrorKind::UnopenedAlternates)),
+ Some(ref pat) => Ok(!pat.is_empty()),
+ }
+ }
+
+ fn parse_comma(&mut self) -> Result<(), Error> {
+ // If we aren't inside a group alternation, then don't
+ // treat commas specially. Otherwise, we need to start
+ // a new alternate.
+ if self.stack.len() <= 1 {
+ self.push_token(Token::Literal(','))
+ } else {
+ Ok(self.stack.push(Tokens::default()))
+ }
+ }
+
+ fn parse_backslash(&mut self) -> Result<(), Error> {
+ if self.opts.backslash_escape {
+ match self.bump() {
+ None => Err(self.error(ErrorKind::DanglingEscape)),
+ Some(c) => self.push_token(Token::Literal(c)),
+ }
+ } else if is_separator('\\') {
+ // Normalize all patterns to use / as a separator.
+ self.push_token(Token::Literal('/'))
+ } else {
+ self.push_token(Token::Literal('\\'))
+ }
+ }
+
+ fn parse_star(&mut self) -> Result<(), Error> {
+ let prev = self.prev;
+ if self.peek() != Some('*') {
+ self.push_token(Token::ZeroOrMore)?;
+ return Ok(());
+ }
+ assert!(self.bump() == Some('*'));
+ if !self.have_tokens()? {
+ if !self.peek().map_or(true, is_separator) {
+ self.push_token(Token::ZeroOrMore)?;
+ self.push_token(Token::ZeroOrMore)?;
+ } else {
+ self.push_token(Token::RecursivePrefix)?;
+ assert!(self.bump().map_or(true, is_separator));
+ }
+ return Ok(());
+ }
+
+ if !prev.map(is_separator).unwrap_or(false) {
+ if self.stack.len() <= 1
+ || (prev != Some(',') && prev != Some('{'))
+ {
+ self.push_token(Token::ZeroOrMore)?;
+ self.push_token(Token::ZeroOrMore)?;
+ return Ok(());
+ }
+ }
+ let is_suffix = match self.peek() {
+ None => {
+ assert!(self.bump().is_none());
+ true
+ }
+ Some(',') | Some('}') if self.stack.len() >= 2 => true,
+ Some(c) if is_separator(c) => {
+ assert!(self.bump().map(is_separator).unwrap_or(false));
+ false
+ }
+ _ => {
+ self.push_token(Token::ZeroOrMore)?;
+ self.push_token(Token::ZeroOrMore)?;
+ return Ok(());
+ }
+ };
+ match self.pop_token()? {
+ Token::RecursivePrefix => {
+ self.push_token(Token::RecursivePrefix)?;
+ }
+ Token::RecursiveSuffix => {
+ self.push_token(Token::RecursiveSuffix)?;
+ }
+ _ => {
+ if is_suffix {
+ self.push_token(Token::RecursiveSuffix)?;
+ } else {
+ self.push_token(Token::RecursiveZeroOrMore)?;
+ }
+ }
+ }
+ Ok(())
+ }
+
+ fn parse_class(&mut self) -> Result<(), Error> {
+ fn add_to_last_range(
+ glob: &str,
+ r: &mut (char, char),
+ add: char,
+ ) -> Result<(), Error> {
+ r.1 = add;
+ if r.1 < r.0 {
+ Err(Error {
+ glob: Some(glob.to_string()),
+ kind: ErrorKind::InvalidRange(r.0, r.1),
+ })
+ } else {
+ Ok(())
+ }
+ }
+ let mut ranges = vec![];
+ let negated = match self.chars.peek() {
+ Some(&'!') | Some(&'^') => {
+ let bump = self.bump();
+ assert!(bump == Some('!') || bump == Some('^'));
+ true
+ }
+ _ => false,
+ };
+ let mut first = true;
+ let mut in_range = false;
+ loop {
+ let c = match self.bump() {
+ Some(c) => c,
+ // The only way to successfully break this loop is to observe
+ // a ']'.
+ None => return Err(self.error(ErrorKind::UnclosedClass)),
+ };
+ match c {
+ ']' => {
+ if first {
+ ranges.push((']', ']'));
+ } else {
+ break;
+ }
+ }
+ '-' => {
+ if first {
+ ranges.push(('-', '-'));
+ } else if in_range {
+ // invariant: in_range is only set when there is
+ // already at least one character seen.
+ let r = ranges.last_mut().unwrap();
+ add_to_last_range(&self.glob, r, '-')?;
+ in_range = false;
+ } else {
+ assert!(!ranges.is_empty());
+ in_range = true;
+ }
+ }
+ c => {
+ if in_range {
+ // invariant: in_range is only set when there is
+ // already at least one character seen.
+ add_to_last_range(
+ &self.glob,
+ ranges.last_mut().unwrap(),
+ c,
+ )?;
+ } else {
+ ranges.push((c, c));
+ }
+ in_range = false;
+ }
+ }
+ first = false;
+ }
+ if in_range {
+ // Means that the last character in the class was a '-', so add
+ // it as a literal.
+ ranges.push(('-', '-'));
+ }
+ self.push_token(Token::Class { negated: negated, ranges: ranges })
+ }
+
+ fn bump(&mut self) -> Option<char> {
+ self.prev = self.cur;
+ self.cur = self.chars.next();
+ self.cur
+ }
+
+ fn peek(&mut self) -> Option<char> {
+ self.chars.peek().map(|&ch| ch)
+ }
+}
+
+#[cfg(test)]
+fn starts_with(needle: &[u8], haystack: &[u8]) -> bool {
+ needle.len() <= haystack.len() && needle == &haystack[..needle.len()]
+}
+
+#[cfg(test)]
+fn ends_with(needle: &[u8], haystack: &[u8]) -> bool {
+ if needle.len() > haystack.len() {
+ return false;
+ }
+ needle == &haystack[haystack.len() - needle.len()..]
+}
+
+#[cfg(test)]
+mod tests {
+ use super::Token::*;
+ use super::{Glob, GlobBuilder, Token};
+ use crate::{ErrorKind, GlobSetBuilder};
+
+ #[derive(Clone, Copy, Debug, Default)]
+ struct Options {
+ casei: Option<bool>,
+ litsep: Option<bool>,
+ bsesc: Option<bool>,
+ }
+
+ macro_rules! syntax {
+ ($name:ident, $pat:expr, $tokens:expr) => {
+ #[test]
+ fn $name() {
+ let pat = Glob::new($pat).unwrap();
+ assert_eq!($tokens, pat.tokens.0);
+ }
+ };
+ }
+
+ macro_rules! syntaxerr {
+ ($name:ident, $pat:expr, $err:expr) => {
+ #[test]
+ fn $name() {
+ let err = Glob::new($pat).unwrap_err();
+ assert_eq!(&$err, err.kind());
+ }
+ };
+ }
+
+ macro_rules! toregex {
+ ($name:ident, $pat:expr, $re:expr) => {
+ toregex!($name, $pat, $re, Options::default());
+ };
+ ($name:ident, $pat:expr, $re:expr, $options:expr) => {
+ #[test]
+ fn $name() {
+ let mut builder = GlobBuilder::new($pat);
+ if let Some(casei) = $options.casei {
+ builder.case_insensitive(casei);
+ }
+ if let Some(litsep) = $options.litsep {
+ builder.literal_separator(litsep);
+ }
+ if let Some(bsesc) = $options.bsesc {
+ builder.backslash_escape(bsesc);
+ }
+ let pat = builder.build().unwrap();
+ assert_eq!(format!("(?-u){}", $re), pat.regex());
+ }
+ };
+ }
+
+ macro_rules! matches {
+ ($name:ident, $pat:expr, $path:expr) => {
+ matches!($name, $pat, $path, Options::default());
+ };
+ ($name:ident, $pat:expr, $path:expr, $options:expr) => {
+ #[test]
+ fn $name() {
+ let mut builder = GlobBuilder::new($pat);
+ if let Some(casei) = $options.casei {
+ builder.case_insensitive(casei);
+ }
+ if let Some(litsep) = $options.litsep {
+ builder.literal_separator(litsep);
+ }
+ if let Some(bsesc) = $options.bsesc {
+ builder.backslash_escape(bsesc);
+ }
+ let pat = builder.build().unwrap();
+ let matcher = pat.compile_matcher();
+ let strategic = pat.compile_strategic_matcher();
+ let set = GlobSetBuilder::new().add(pat).build().unwrap();
+ assert!(matcher.is_match($path));
+ assert!(strategic.is_match($path));
+ assert!(set.is_match($path));
+ }
+ };
+ }
+
+ macro_rules! nmatches {
+ ($name:ident, $pat:expr, $path:expr) => {
+ nmatches!($name, $pat, $path, Options::default());
+ };
+ ($name:ident, $pat:expr, $path:expr, $options:expr) => {
+ #[test]
+ fn $name() {
+ let mut builder = GlobBuilder::new($pat);
+ if let Some(casei) = $options.casei {
+ builder.case_insensitive(casei);
+ }
+ if let Some(litsep) = $options.litsep {
+ builder.literal_separator(litsep);
+ }
+ if let Some(bsesc) = $options.bsesc {
+ builder.backslash_escape(bsesc);
+ }
+ let pat = builder.build().unwrap();
+ let matcher = pat.compile_matcher();
+ let strategic = pat.compile_strategic_matcher();
+ let set = GlobSetBuilder::new().add(pat).build().unwrap();
+ assert!(!matcher.is_match($path));
+ assert!(!strategic.is_match($path));
+ assert!(!set.is_match($path));
+ }
+ };
+ }
+
+ fn s(string: &str) -> String {
+ string.to_string()
+ }
+
+ fn class(s: char, e: char) -> Token {
+ Class { negated: false, ranges: vec![(s, e)] }
+ }
+
+ fn classn(s: char, e: char) -> Token {
+ Class { negated: true, ranges: vec![(s, e)] }
+ }
+
+ fn rclass(ranges: &[(char, char)]) -> Token {
+ Class { negated: false, ranges: ranges.to_vec() }
+ }
+
+ fn rclassn(ranges: &[(char, char)]) -> Token {
+ Class { negated: true, ranges: ranges.to_vec() }
+ }
+
+ syntax!(literal1, "a", vec![Literal('a')]);
+ syntax!(literal2, "ab", vec![Literal('a'), Literal('b')]);
+ syntax!(any1, "?", vec![Any]);
+ syntax!(any2, "a?b", vec![Literal('a'), Any, Literal('b')]);
+ syntax!(seq1, "*", vec![ZeroOrMore]);
+ syntax!(seq2, "a*b", vec![Literal('a'), ZeroOrMore, Literal('b')]);
+ syntax!(
+ seq3,
+ "*a*b*",
+ vec![ZeroOrMore, Literal('a'), ZeroOrMore, Literal('b'), ZeroOrMore,]
+ );
+ syntax!(rseq1, "**", vec![RecursivePrefix]);
+ syntax!(rseq2, "**/", vec![RecursivePrefix]);
+ syntax!(rseq3, "/**", vec![RecursiveSuffix]);
+ syntax!(rseq4, "/**/", vec![RecursiveZeroOrMore]);
+ syntax!(
+ rseq5,
+ "a/**/b",
+ vec![Literal('a'), RecursiveZeroOrMore, Literal('b'),]
+ );
+ syntax!(cls1, "[a]", vec![class('a', 'a')]);
+ syntax!(cls2, "[!a]", vec![classn('a', 'a')]);
+ syntax!(cls3, "[a-z]", vec![class('a', 'z')]);
+ syntax!(cls4, "[!a-z]", vec![classn('a', 'z')]);
+ syntax!(cls5, "[-]", vec![class('-', '-')]);
+ syntax!(cls6, "[]]", vec![class(']', ']')]);
+ syntax!(cls7, "[*]", vec![class('*', '*')]);
+ syntax!(cls8, "[!!]", vec![classn('!', '!')]);
+ syntax!(cls9, "[a-]", vec![rclass(&[('a', 'a'), ('-', '-')])]);
+ syntax!(cls10, "[-a-z]", vec![rclass(&[('-', '-'), ('a', 'z')])]);
+ syntax!(cls11, "[a-z-]", vec![rclass(&[('a', 'z'), ('-', '-')])]);
+ syntax!(
+ cls12,
+ "[-a-z-]",
+ vec![rclass(&[('-', '-'), ('a', 'z'), ('-', '-')]),]
+ );
+ syntax!(cls13, "[]-z]", vec![class(']', 'z')]);
+ syntax!(cls14, "[--z]", vec![class('-', 'z')]);
+ syntax!(cls15, "[ --]", vec![class(' ', '-')]);
+ syntax!(cls16, "[0-9a-z]", vec![rclass(&[('0', '9'), ('a', 'z')])]);
+ syntax!(cls17, "[a-z0-9]", vec![rclass(&[('a', 'z'), ('0', '9')])]);
+ syntax!(cls18, "[!0-9a-z]", vec![rclassn(&[('0', '9'), ('a', 'z')])]);
+ syntax!(cls19, "[!a-z0-9]", vec![rclassn(&[('a', 'z'), ('0', '9')])]);
+ syntax!(cls20, "[^a]", vec![classn('a', 'a')]);
+ syntax!(cls21, "[^a-z]", vec![classn('a', 'z')]);
+
+ syntaxerr!(err_unclosed1, "[", ErrorKind::UnclosedClass);
+ syntaxerr!(err_unclosed2, "[]", ErrorKind::UnclosedClass);
+ syntaxerr!(err_unclosed3, "[!", ErrorKind::UnclosedClass);
+ syntaxerr!(err_unclosed4, "[!]", ErrorKind::UnclosedClass);
+ syntaxerr!(err_range1, "[z-a]", ErrorKind::InvalidRange('z', 'a'));
+ syntaxerr!(err_range2, "[z--]", ErrorKind::InvalidRange('z', '-'));
+
+ const CASEI: Options =
+ Options { casei: Some(true), litsep: None, bsesc: None };
+ const SLASHLIT: Options =
+ Options { casei: None, litsep: Some(true), bsesc: None };
+ const NOBSESC: Options =
+ Options { casei: None, litsep: None, bsesc: Some(false) };
+ const BSESC: Options =
+ Options { casei: None, litsep: None, bsesc: Some(true) };
+
+ toregex!(re_casei, "a", "(?i)^a$", &CASEI);
+
+ toregex!(re_slash1, "?", r"^[^/]$", SLASHLIT);
+ toregex!(re_slash2, "*", r"^[^/]*$", SLASHLIT);
+
+ toregex!(re1, "a", "^a$");
+ toregex!(re2, "?", "^.$");
+ toregex!(re3, "*", "^.*$");
+ toregex!(re4, "a?", "^a.$");
+ toregex!(re5, "?a", "^.a$");
+ toregex!(re6, "a*", "^a.*$");
+ toregex!(re7, "*a", "^.*a$");
+ toregex!(re8, "[*]", r"^[\*]$");
+ toregex!(re9, "[+]", r"^[\+]$");
+ toregex!(re10, "+", r"^\+$");
+ toregex!(re11, "☃", r"^\xe2\x98\x83$");
+ toregex!(re12, "**", r"^.*$");
+ toregex!(re13, "**/", r"^.*$");
+ toregex!(re14, "**/*", r"^(?:/?|.*/).*$");
+ toregex!(re15, "**/**", r"^.*$");
+ toregex!(re16, "**/**/*", r"^(?:/?|.*/).*$");
+ toregex!(re17, "**/**/**", r"^.*$");
+ toregex!(re18, "**/**/**/*", r"^(?:/?|.*/).*$");
+ toregex!(re19, "a/**", r"^a/.*$");
+ toregex!(re20, "a/**/**", r"^a/.*$");
+ toregex!(re21, "a/**/**/**", r"^a/.*$");
+ toregex!(re22, "a/**/b", r"^a(?:/|/.*/)b$");
+ toregex!(re23, "a/**/**/b", r"^a(?:/|/.*/)b$");
+ toregex!(re24, "a/**/**/**/b", r"^a(?:/|/.*/)b$");
+ toregex!(re25, "**/b", r"^(?:/?|.*/)b$");
+ toregex!(re26, "**/**/b", r"^(?:/?|.*/)b$");
+ toregex!(re27, "**/**/**/b", r"^(?:/?|.*/)b$");
+ toregex!(re28, "a**", r"^a.*.*$");
+ toregex!(re29, "**a", r"^.*.*a$");
+ toregex!(re30, "a**b", r"^a.*.*b$");
+ toregex!(re31, "***", r"^.*.*.*$");
+ toregex!(re32, "/a**", r"^/a.*.*$");
+ toregex!(re33, "/**a", r"^/.*.*a$");
+ toregex!(re34, "/a**b", r"^/a.*.*b$");
+
+ matches!(match1, "a", "a");
+ matches!(match2, "a*b", "a_b");
+ matches!(match3, "a*b*c", "abc");
+ matches!(match4, "a*b*c", "a_b_c");
+ matches!(match5, "a*b*c", "a___b___c");
+ matches!(match6, "abc*abc*abc", "abcabcabcabcabcabcabc");
+ matches!(match7, "a*a*a*a*a*a*a*a*a", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
+ matches!(match8, "a*b[xyz]c*d", "abxcdbxcddd");
+ matches!(match9, "*.rs", ".rs");
+ matches!(match10, "☃", "☃");
+
+ matches!(matchrec1, "some/**/needle.txt", "some/needle.txt");
+ matches!(matchrec2, "some/**/needle.txt", "some/one/needle.txt");
+ matches!(matchrec3, "some/**/needle.txt", "some/one/two/needle.txt");
+ matches!(matchrec4, "some/**/needle.txt", "some/other/needle.txt");
+ matches!(matchrec5, "**", "abcde");
+ matches!(matchrec6, "**", "");
+ matches!(matchrec7, "**", ".asdf");
+ matches!(matchrec8, "**", "/x/.asdf");
+ matches!(matchrec9, "some/**/**/needle.txt", "some/needle.txt");
+ matches!(matchrec10, "some/**/**/needle.txt", "some/one/needle.txt");
+ matches!(matchrec11, "some/**/**/needle.txt", "some/one/two/needle.txt");
+ matches!(matchrec12, "some/**/**/needle.txt", "some/other/needle.txt");
+ matches!(matchrec13, "**/test", "one/two/test");
+ matches!(matchrec14, "**/test", "one/test");
+ matches!(matchrec15, "**/test", "test");
+ matches!(matchrec16, "/**/test", "/one/two/test");
+ matches!(matchrec17, "/**/test", "/one/test");
+ matches!(matchrec18, "/**/test", "/test");
+ matches!(matchrec19, "**/.*", ".abc");
+ matches!(matchrec20, "**/.*", "abc/.abc");
+ matches!(matchrec21, "**/foo/bar", "foo/bar");
+ matches!(matchrec22, ".*/**", ".abc/abc");
+ matches!(matchrec23, "test/**", "test/");
+ matches!(matchrec24, "test/**", "test/one");
+ matches!(matchrec25, "test/**", "test/one/two");
+ matches!(matchrec26, "some/*/needle.txt", "some/one/needle.txt");
+
+ matches!(matchrange1, "a[0-9]b", "a0b");
+ matches!(matchrange2, "a[0-9]b", "a9b");
+ matches!(matchrange3, "a[!0-9]b", "a_b");
+ matches!(matchrange4, "[a-z123]", "1");
+ matches!(matchrange5, "[1a-z23]", "1");
+ matches!(matchrange6, "[123a-z]", "1");
+ matches!(matchrange7, "[abc-]", "-");
+ matches!(matchrange8, "[-abc]", "-");
+ matches!(matchrange9, "[-a-c]", "b");
+ matches!(matchrange10, "[a-c-]", "b");
+ matches!(matchrange11, "[-]", "-");
+ matches!(matchrange12, "a[^0-9]b", "a_b");
+
+ matches!(matchpat1, "*hello.txt", "hello.txt");
+ matches!(matchpat2, "*hello.txt", "gareth_says_hello.txt");
+ matches!(matchpat3, "*hello.txt", "some/path/to/hello.txt");
+ matches!(matchpat4, "*hello.txt", "some\\path\\to\\hello.txt");
+ matches!(matchpat5, "*hello.txt", "/an/absolute/path/to/hello.txt");
+ matches!(matchpat6, "*some/path/to/hello.txt", "some/path/to/hello.txt");
+ matches!(
+ matchpat7,
+ "*some/path/to/hello.txt",
+ "a/bigger/some/path/to/hello.txt"
+ );
+
+ matches!(matchescape, "_[[]_[]]_[?]_[*]_!_", "_[_]_?_*_!_");
+
+ matches!(matchcasei1, "aBcDeFg", "aBcDeFg", CASEI);
+ matches!(matchcasei2, "aBcDeFg", "abcdefg", CASEI);
+ matches!(matchcasei3, "aBcDeFg", "ABCDEFG", CASEI);
+ matches!(matchcasei4, "aBcDeFg", "AbCdEfG", CASEI);
+
+ matches!(matchalt1, "a,b", "a,b");
+ matches!(matchalt2, ",", ",");
+ matches!(matchalt3, "{a,b}", "a");
+ matches!(matchalt4, "{a,b}", "b");
+ matches!(matchalt5, "{**/src/**,foo}", "abc/src/bar");
+ matches!(matchalt6, "{**/src/**,foo}", "foo");
+ matches!(matchalt7, "{[}],foo}", "}");
+ matches!(matchalt8, "{foo}", "foo");
+ matches!(matchalt9, "{}", "");
+ matches!(matchalt10, "{,}", "");
+ matches!(matchalt11, "{*.foo,*.bar,*.wat}", "test.foo");
+ matches!(matchalt12, "{*.foo,*.bar,*.wat}", "test.bar");
+ matches!(matchalt13, "{*.foo,*.bar,*.wat}", "test.wat");
+
+ matches!(matchslash1, "abc/def", "abc/def", SLASHLIT);
+ #[cfg(unix)]
+ nmatches!(matchslash2, "abc?def", "abc/def", SLASHLIT);
+ #[cfg(not(unix))]
+ nmatches!(matchslash2, "abc?def", "abc\\def", SLASHLIT);
+ nmatches!(matchslash3, "abc*def", "abc/def", SLASHLIT);
+ matches!(matchslash4, "abc[/]def", "abc/def", SLASHLIT); // differs
+ #[cfg(unix)]
+ nmatches!(matchslash5, "abc\\def", "abc/def", SLASHLIT);
+ #[cfg(not(unix))]
+ matches!(matchslash5, "abc\\def", "abc/def", SLASHLIT);
+
+ matches!(matchbackslash1, "\\[", "[", BSESC);
+ matches!(matchbackslash2, "\\?", "?", BSESC);
+ matches!(matchbackslash3, "\\*", "*", BSESC);
+ matches!(matchbackslash4, "\\[a-z]", "\\a", NOBSESC);
+ matches!(matchbackslash5, "\\?", "\\a", NOBSESC);
+ matches!(matchbackslash6, "\\*", "\\\\", NOBSESC);
+ #[cfg(unix)]
+ matches!(matchbackslash7, "\\a", "a");
+ #[cfg(not(unix))]
+ matches!(matchbackslash8, "\\a", "/a");
+
+ nmatches!(matchnot1, "a*b*c", "abcd");
+ nmatches!(matchnot2, "abc*abc*abc", "abcabcabcabcabcabcabca");
+ nmatches!(matchnot3, "some/**/needle.txt", "some/other/notthis.txt");
+ nmatches!(matchnot4, "some/**/**/needle.txt", "some/other/notthis.txt");
+ nmatches!(matchnot5, "/**/test", "test");
+ nmatches!(matchnot6, "/**/test", "/one/notthis");
+ nmatches!(matchnot7, "/**/test", "/notthis");
+ nmatches!(matchnot8, "**/.*", "ab.c");
+ nmatches!(matchnot9, "**/.*", "abc/ab.c");
+ nmatches!(matchnot10, ".*/**", "a.bc");
+ nmatches!(matchnot11, ".*/**", "abc/a.bc");
+ nmatches!(matchnot12, "a[0-9]b", "a_b");
+ nmatches!(matchnot13, "a[!0-9]b", "a0b");
+ nmatches!(matchnot14, "a[!0-9]b", "a9b");
+ nmatches!(matchnot15, "[!-]", "-");
+ nmatches!(matchnot16, "*hello.txt", "hello.txt-and-then-some");
+ nmatches!(matchnot17, "*hello.txt", "goodbye.txt");
+ nmatches!(
+ matchnot18,
+ "*some/path/to/hello.txt",
+ "some/path/to/hello.txt-and-then-some"
+ );
+ nmatches!(
+ matchnot19,
+ "*some/path/to/hello.txt",
+ "some/other/path/to/hello.txt"
+ );
+ nmatches!(matchnot20, "a", "foo/a");
+ nmatches!(matchnot21, "./foo", "foo");
+ nmatches!(matchnot22, "**/foo", "foofoo");
+ nmatches!(matchnot23, "**/foo/bar", "foofoo/bar");
+ nmatches!(matchnot24, "/*.c", "mozilla-sha1/sha1.c");
+ nmatches!(matchnot25, "*.c", "mozilla-sha1/sha1.c", SLASHLIT);
+ nmatches!(
+ matchnot26,
+ "**/m4/ltoptions.m4",
+ "csharp/src/packages/repositories.config",
+ SLASHLIT
+ );
+ nmatches!(matchnot27, "a[^0-9]b", "a0b");
+ nmatches!(matchnot28, "a[^0-9]b", "a9b");
+ nmatches!(matchnot29, "[^-]", "-");
+ nmatches!(matchnot30, "some/*/needle.txt", "some/needle.txt");
+ nmatches!(
+ matchrec31,
+ "some/*/needle.txt",
+ "some/one/two/needle.txt",
+ SLASHLIT
+ );
+ nmatches!(
+ matchrec32,
+ "some/*/needle.txt",
+ "some/one/two/three/needle.txt",
+ SLASHLIT
+ );
+ nmatches!(matchrec33, ".*/**", ".abc");
+ nmatches!(matchrec34, "foo/**", "foo");
+
+ macro_rules! extract {
+ ($which:ident, $name:ident, $pat:expr, $expect:expr) => {
+ extract!($which, $name, $pat, $expect, Options::default());
+ };
+ ($which:ident, $name:ident, $pat:expr, $expect:expr, $options:expr) => {
+ #[test]
+ fn $name() {
+ let mut builder = GlobBuilder::new($pat);
+ if let Some(casei) = $options.casei {
+ builder.case_insensitive(casei);
+ }
+ if let Some(litsep) = $options.litsep {
+ builder.literal_separator(litsep);
+ }
+ if let Some(bsesc) = $options.bsesc {
+ builder.backslash_escape(bsesc);
+ }
+ let pat = builder.build().unwrap();
+ assert_eq!($expect, pat.$which());
+ }
+ };
+ }
+
+ macro_rules! literal {
+ ($($tt:tt)*) => { extract!(literal, $($tt)*); }
+ }
+
+ macro_rules! basetokens {
+ ($($tt:tt)*) => { extract!(basename_tokens, $($tt)*); }
+ }
+
+ macro_rules! ext {
+ ($($tt:tt)*) => { extract!(ext, $($tt)*); }
+ }
+
+ macro_rules! required_ext {
+ ($($tt:tt)*) => { extract!(required_ext, $($tt)*); }
+ }
+
+ macro_rules! prefix {
+ ($($tt:tt)*) => { extract!(prefix, $($tt)*); }
+ }
+
+ macro_rules! suffix {
+ ($($tt:tt)*) => { extract!(suffix, $($tt)*); }
+ }
+
+ macro_rules! baseliteral {
+ ($($tt:tt)*) => { extract!(basename_literal, $($tt)*); }
+ }
+
+ literal!(extract_lit1, "foo", Some(s("foo")));
+ literal!(extract_lit2, "foo", None, CASEI);
+ literal!(extract_lit3, "/foo", Some(s("/foo")));
+ literal!(extract_lit4, "/foo/", Some(s("/foo/")));
+ literal!(extract_lit5, "/foo/bar", Some(s("/foo/bar")));
+ literal!(extract_lit6, "*.foo", None);
+ literal!(extract_lit7, "foo/bar", Some(s("foo/bar")));
+ literal!(extract_lit8, "**/foo/bar", None);
+
+ basetokens!(
+ extract_basetoks1,
+ "**/foo",
+ Some(&*vec![Literal('f'), Literal('o'), Literal('o'),])
+ );
+ basetokens!(extract_basetoks2, "**/foo", None, CASEI);
+ basetokens!(
+ extract_basetoks3,
+ "**/foo",
+ Some(&*vec![Literal('f'), Literal('o'), Literal('o'),]),
+ SLASHLIT
+ );
+ basetokens!(extract_basetoks4, "*foo", None, SLASHLIT);
+ basetokens!(extract_basetoks5, "*foo", None);
+ basetokens!(extract_basetoks6, "**/fo*o", None);
+ basetokens!(
+ extract_basetoks7,
+ "**/fo*o",
+ Some(&*vec![Literal('f'), Literal('o'), ZeroOrMore, Literal('o'),]),
+ SLASHLIT
+ );
+
+ ext!(extract_ext1, "**/*.rs", Some(s(".rs")));
+ ext!(extract_ext2, "**/*.rs.bak", None);
+ ext!(extract_ext3, "*.rs", Some(s(".rs")));
+ ext!(extract_ext4, "a*.rs", None);
+ ext!(extract_ext5, "/*.c", None);
+ ext!(extract_ext6, "*.c", None, SLASHLIT);
+ ext!(extract_ext7, "*.c", Some(s(".c")));
+
+ required_ext!(extract_req_ext1, "*.rs", Some(s(".rs")));
+ required_ext!(extract_req_ext2, "/foo/bar/*.rs", Some(s(".rs")));
+ required_ext!(extract_req_ext3, "/foo/bar/*.rs", Some(s(".rs")));
+ required_ext!(extract_req_ext4, "/foo/bar/.rs", Some(s(".rs")));
+ required_ext!(extract_req_ext5, ".rs", Some(s(".rs")));
+ required_ext!(extract_req_ext6, "./rs", None);
+ required_ext!(extract_req_ext7, "foo", None);
+ required_ext!(extract_req_ext8, ".foo/", None);
+ required_ext!(extract_req_ext9, "foo/", None);
+
+ prefix!(extract_prefix1, "/foo", Some(s("/foo")));
+ prefix!(extract_prefix2, "/foo/*", Some(s("/foo/")));
+ prefix!(extract_prefix3, "**/foo", None);
+ prefix!(extract_prefix4, "foo/**", Some(s("foo/")));
+
+ suffix!(extract_suffix1, "**/foo/bar", Some((s("/foo/bar"), true)));
+ suffix!(extract_suffix2, "*/foo/bar", Some((s("/foo/bar"), false)));
+ suffix!(extract_suffix3, "*/foo/bar", None, SLASHLIT);
+ suffix!(extract_suffix4, "foo/bar", Some((s("foo/bar"), false)));
+ suffix!(extract_suffix5, "*.foo", Some((s(".foo"), false)));
+ suffix!(extract_suffix6, "*.foo", None, SLASHLIT);
+ suffix!(extract_suffix7, "**/*_test", Some((s("_test"), false)));
+
+ baseliteral!(extract_baselit1, "**/foo", Some(s("foo")));
+ baseliteral!(extract_baselit2, "foo", None);
+ baseliteral!(extract_baselit3, "*foo", None);
+ baseliteral!(extract_baselit4, "*/foo", None);
+}