use std::{    ffi::OsStr,    path::{Path, PathBuf},}; use globset::{Glob, GlobMatcher};use serde::{Deserialize, Serialize}; lazy_static::lazy_static! {    pub static ref HOME: PathBuf = dirs::home_dir().expect("failed to determine home directory");    pub static ref CONFIG_DIR: PathBuf = if cfg!(target_os = "windows") {        dirs::config_dir()            .expect("failed to determine RoamingAppData directory")            .join("Zed")    } else {        HOME.join(".config").join("zed")    };    pub static ref CONVERSATIONS_DIR: PathBuf = CONFIG_DIR.join("conversations");    pub static ref EMBEDDINGS_DIR: PathBuf = CONFIG_DIR.join("embeddings");    pub static ref THEMES_DIR: PathBuf = CONFIG_DIR.join("themes");    pub static ref LOGS_DIR: PathBuf = if cfg!(target_os = "macos") {        HOME.join("Library/Logs/Zed")    } else if cfg!(target_os = "windows") {        dirs::data_local_dir()            .expect("failed to determine LocalAppData directory")            .join("Zed/logs")    } else {        CONFIG_DIR.join("logs")    };    pub static ref SUPPORT_DIR: PathBuf = if cfg!(target_os = "macos") {        HOME.join("Library/Application Support/Zed")    } else if cfg!(target_os = "windows") {        dirs::config_dir()            .expect("failed to determine RoamingAppData directory")            .join("Zed")    } else {        CONFIG_DIR.clone()    };    pub static ref EXTENSIONS_DIR: PathBuf = SUPPORT_DIR.join("extensions");    pub static ref LANGUAGES_DIR: PathBuf = SUPPORT_DIR.join("languages");    pub static ref COPILOT_DIR: PathBuf = SUPPORT_DIR.join("copilot");    pub static ref DEFAULT_PRETTIER_DIR: PathBuf = SUPPORT_DIR.join("prettier");    pub static ref DB_DIR: PathBuf = SUPPORT_DIR.join("db");    pub static ref CRASHES_DIR: PathBuf = if cfg!(target_os = "macos") {        HOME.join("Library/Logs/DiagnosticReports")    } else if cfg!(target_os = "windows") {        dirs::data_local_dir()            .expect("failed to determine LocalAppData directory")            .join("Zed/crashes")    } else {        CONFIG_DIR.join("crashes")    };    pub static ref CRASHES_RETIRED_DIR: PathBuf = if cfg!(target_os = "macos") {        HOME.join("Library/Logs/DiagnosticReports/Retired")    } else {        CRASHES_DIR.join("retired")    };    pub static ref SETTINGS: PathBuf = CONFIG_DIR.join("settings.json");    pub static ref KEYMAP: PathBuf = CONFIG_DIR.join("keymap.json");    pub static ref TASKS: PathBuf = CONFIG_DIR.join("tasks.json");    pub static ref LAST_USERNAME: PathBuf = CONFIG_DIR.join("last-username.txt");    pub static ref LOG: PathBuf = LOGS_DIR.join("Zed.log");    pub static ref OLD_LOG: PathBuf = LOGS_DIR.join("Zed.log.old");    pub static ref LOCAL_SETTINGS_RELATIVE_PATH: &'static Path = Path::new(".zed/settings.json");    pub static ref LOCAL_TASKS_RELATIVE_PATH: &'static Path = Path::new(".zed/tasks.json");    pub static ref TEMP_DIR: PathBuf = if cfg!(target_os = "widows") {        dirs::data_local_dir()            .expect("failed to determine LocalAppData directory")            .join("Temp/Zed")    } else {        HOME.join(".cache").join("zed")    };} pub trait PathExt {    fn compact(&self) -> PathBuf;    fn icon_stem_or_suffix(&self) -> Option<&str>;    fn extension_or_hidden_file_name(&self) -> Option<&str>;    fn try_from_bytes<'a>(bytes: &'a [u8]) -> anyhow::Result<Self>    where        Self: From<&'a Path>,    {        #[cfg(unix)]        {            use std::os::unix::prelude::OsStrExt;            Ok(Self::from(Path::new(OsStr::from_bytes(bytes))))        }        #[cfg(windows)]        {            use anyhow::anyhow;            use tendril::fmt::{Format, WTF8};            WTF8::validate(bytes)                .then(|| {                    // Safety: bytes are valid WTF-8 sequence.                    Self::from(Path::new(unsafe {                        OsStr::from_encoded_bytes_unchecked(bytes)                    }))                })                .ok_or_else(|| anyhow!("Invalid WTF-8 sequence: {bytes:?}"))        }    }} impl<T: AsRef<Path>> PathExt for T {    /// Compacts a given file path by replacing the user's home directory    /// prefix with a tilde (`~`).    ///    /// # Returns    ///    /// * A `PathBuf` containing the compacted file path. If the input path    ///   does not have the user's home directory prefix, or if we are not on    ///   Linux or macOS, the original path is returned unchanged.    fn compact(&self) -> PathBuf {        if cfg!(target_os = "linux") || cfg!(target_os = "macos") {            match self.as_ref().strip_prefix(HOME.as_path()) {                Ok(relative_path) => {                    let mut shortened_path = PathBuf::new();                    shortened_path.push("~");                    shortened_path.push(relative_path);                    shortened_path                }                Err(_) => self.as_ref().to_path_buf(),            }        } else {            self.as_ref().to_path_buf()        }    }     /// Returns either the suffix if available, or the file stem otherwise to determine which file icon to use    fn icon_stem_or_suffix(&self) -> Option<&str> {        let path = self.as_ref();        let file_name = path.file_name()?.to_str()?;        if file_name.starts_with('.') {            return file_name.strip_prefix('.');        }         path.extension()            .and_then(|e| e.to_str())            .or_else(|| path.file_stem()?.to_str())    }     /// Returns a file's extension or, if the file is hidden, its name without the leading dot    fn extension_or_hidden_file_name(&self) -> Option<&str> {        if let Some(extension) = self.as_ref().extension() {            return extension.to_str();        }         self.as_ref().file_name()?.to_str()?.split('.').last()    }} /// A delimiter to use in `path_query:row_number:column_number` strings parsing.pub const FILE_ROW_COLUMN_DELIMITER: char = ':'; /// A representation of a path-like string with optional row and column numbers./// Matching values example: `te`, `test.rs:22`, `te:22:5`, etc.#[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize, Hash)]pub struct PathLikeWithPosition<P> {    pub path_like: P,    pub row: Option<u32>,    // Absent if row is absent.    pub column: Option<u32>,} impl<P> PathLikeWithPosition<P> {    /// Parses a string that possibly has `:row:column` suffix.    /// Ignores trailing `:`s, so `test.rs:22:` is parsed as `test.rs:22`.    /// If any of the row/column component parsing fails, the whole string is then parsed as a path like.    pub fn parse_str<E>(        s: &str,        parse_path_like_str: impl Fn(&str) -> Result<P, E>,    ) -> Result<Self, E> {        let fallback = |fallback_str| {            Ok(Self {                path_like: parse_path_like_str(fallback_str)?,                row: None,                column: None,            })        };         match s.trim().split_once(FILE_ROW_COLUMN_DELIMITER) {            Some((path_like_str, maybe_row_and_col_str)) => {                let path_like_str = path_like_str.trim();                let maybe_row_and_col_str = maybe_row_and_col_str.trim();                if path_like_str.is_empty() {                    fallback(s)                } else if maybe_row_and_col_str.is_empty() {                    fallback(path_like_str)                } else {                    let (row_parse_result, maybe_col_str) =                        match maybe_row_and_col_str.split_once(FILE_ROW_COLUMN_DELIMITER) {                            Some((maybe_row_str, maybe_col_str)) => {                                (maybe_row_str.parse::<u32>(), maybe_col_str.trim())                            }                            None => (maybe_row_and_col_str.parse::<u32>(), ""),                        };                     match row_parse_result {                        Ok(row) => {                            if maybe_col_str.is_empty() {                                Ok(Self {                                    path_like: parse_path_like_str(path_like_str)?,                                    row: Some(row),                                    column: None,                                })                            } else {                                let maybe_col_str =                                    if maybe_col_str.ends_with(FILE_ROW_COLUMN_DELIMITER) {                                        &maybe_col_str[..maybe_col_str.len() - 1]                                    } else {                                        maybe_col_str                                    };                                match maybe_col_str.parse::<u32>() {                                    Ok(col) => Ok(Self {                                        path_like: parse_path_like_str(path_like_str)?,                                        row: Some(row),                                        column: Some(col),                                    }),                                    Err(_) => fallback(s),                                }                            }                        }                        Err(_) => fallback(s),                    }                }            }            None => fallback(s),        }    }     pub fn map_path_like<P2, E>(        self,        mapping: impl FnOnce(P) -> Result<P2, E>,    ) -> Result<PathLikeWithPosition<P2>, E> {        Ok(PathLikeWithPosition {            path_like: mapping(self.path_like)?,            row: self.row,            column: self.column,        })    }     pub fn to_string(&self, path_like_to_string: impl Fn(&P) -> String) -> String {        let path_like_string = path_like_to_string(&self.path_like);        if let Some(row) = self.row {            if let Some(column) = self.column {                format!("{path_like_string}:{row}:{column}")            } else {                format!("{path_like_string}:{row}")            }        } else {            path_like_string        }    }} #[derive(Clone, Debug)]pub struct PathMatcher {    maybe_path: PathBuf,    glob: GlobMatcher,} impl std::fmt::Display for PathMatcher {    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {        self.maybe_path.to_string_lossy().fmt(f)    }} impl PartialEq for PathMatcher {    fn eq(&self, other: &Self) -> bool {        self.maybe_path.eq(&other.maybe_path)    }} impl Eq for PathMatcher {} impl PathMatcher {    pub fn new(maybe_glob: &str) -> Result<Self, globset::Error> {        Ok(PathMatcher {            glob: Glob::new(maybe_glob)?.compile_matcher(),            maybe_path: PathBuf::from(maybe_glob),        })    }     pub fn is_match<P: AsRef<Path>>(&self, other: P) -> bool {        let other_path = other.as_ref();        other_path.starts_with(&self.maybe_path)            || other_path.ends_with(&self.maybe_path)            || self.glob.is_match(other_path)            || self.check_with_end_separator(other_path)    }     fn check_with_end_separator(&self, path: &Path) -> bool {        let path_str = path.to_string_lossy();        let separator = std::path::MAIN_SEPARATOR_STR;        if path_str.ends_with(separator) {            self.glob.is_match(path)        } else {            self.glob.is_match(path_str.to_string() + separator)        }    }} #[cfg(test)]mod tests {    use super::*;     type TestPath = PathLikeWithPosition<String>;     fn parse_str(s: &str) -> TestPath {        TestPath::parse_str(s, |s| Ok::<_, std::convert::Infallible>(s.to_string()))            .expect("infallible")    }     #[test]    fn path_with_position_parsing_positive() {        let input_and_expected = [            (                "test_file.rs",                PathLikeWithPosition {                    path_like: "test_file.rs".to_string(),                    row: None,                    column: None,                },            ),            (                "test_file.rs:1",                PathLikeWithPosition {                    path_like: "test_file.rs".to_string(),                    row: Some(1),                    column: None,                },            ),            (                "test_file.rs:1:2",                PathLikeWithPosition {                    path_like: "test_file.rs".to_string(),                    row: Some(1),                    column: Some(2),                },            ),        ];         for (input, expected) in input_and_expected {            let actual = parse_str(input);            assert_eq!(                actual, expected,                "For positive case input str '{input}', got a parse mismatch"            );        }    }     #[test]    fn path_with_position_parsing_negative() {        for input in [            "test_file.rs:a",            "test_file.rs:a:b",            "test_file.rs::",            "test_file.rs::1",            "test_file.rs:1::",            "test_file.rs::1:2",            "test_file.rs:1::2",            "test_file.rs:1:2:3",        ] {            let actual = parse_str(input);            assert_eq!(                actual,                PathLikeWithPosition {                    path_like: input.to_string(),                    row: None,                    column: None,                },                "For negative case input str '{input}', got a parse mismatch"            );        }    }     // Trim off trailing `:`s for otherwise valid input.    #[test]    fn path_with_position_parsing_special() {        let input_and_expected = [            (                "test_file.rs:",                PathLikeWithPosition {                    path_like: "test_file.rs".to_string(),                    row: None,                    column: None,                },            ),            (                "test_file.rs:1:",                PathLikeWithPosition {                    path_like: "test_file.rs".to_string(),                    row: Some(1),                    column: None,                },            ),            (                "crates/file_finder/src/file_finder.rs:1902:13:",                PathLikeWithPosition {                    path_like: "crates/file_finder/src/file_finder.rs".to_string(),                    row: Some(1902),                    column: Some(13),                },            ),        ];         for (input, expected) in input_and_expected {            let actual = parse_str(input);            assert_eq!(                actual, expected,                "For special case input str '{input}', got a parse mismatch"            );        }    }     #[test]    fn test_path_compact() {        let path: PathBuf = [            HOME.to_string_lossy().to_string(),            "some_file.txt".to_string(),        ]        .iter()        .collect();        if cfg!(target_os = "linux") || cfg!(target_os = "macos") {            assert_eq!(path.compact().to_str(), Some("~/some_file.txt"));        } else {            assert_eq!(path.compact().to_str(), path.to_str());        }    }     #[test]    fn test_icon_stem_or_suffix() {        // No dots in name        let path = Path::new("/a/b/c/file_name.rs");        assert_eq!(path.icon_stem_or_suffix(), Some("rs"));         // Single dot in name        let path = Path::new("/a/b/c/file.name.rs");        assert_eq!(path.icon_stem_or_suffix(), Some("rs"));         // No suffix        let path = Path::new("/a/b/c/file");        assert_eq!(path.icon_stem_or_suffix(), Some("file"));         // Multiple dots in name        let path = Path::new("/a/b/c/long.file.name.rs");        assert_eq!(path.icon_stem_or_suffix(), Some("rs"));         // Hidden file, no extension        let path = Path::new("/a/b/c/.gitignore");        assert_eq!(path.icon_stem_or_suffix(), Some("gitignore"));         // Hidden file, with extension        let path = Path::new("/a/b/c/.eslintrc.js");        assert_eq!(path.icon_stem_or_suffix(), Some("eslintrc.js"));    }     #[test]    fn test_extension_or_hidden_file_name() {        // No dots in name        let path = Path::new("/a/b/c/file_name.rs");        assert_eq!(path.extension_or_hidden_file_name(), Some("rs"));         // Single dot in name        let path = Path::new("/a/b/c/file.name.rs");        assert_eq!(path.extension_or_hidden_file_name(), Some("rs"));         // Multiple dots in name        let path = Path::new("/a/b/c/long.file.name.rs");        assert_eq!(path.extension_or_hidden_file_name(), Some("rs"));         // Hidden file, no extension        let path = Path::new("/a/b/c/.gitignore");        assert_eq!(path.extension_or_hidden_file_name(), Some("gitignore"));         // Hidden file, with extension        let path = Path::new("/a/b/c/.eslintrc.js");        assert_eq!(path.extension_or_hidden_file_name(), Some("js"));    }     #[test]    fn edge_of_glob() {        let path = Path::new("/work/node_modules");        let path_matcher = PathMatcher::new("**/node_modules/**").unwrap();        assert!(            path_matcher.is_match(path),            "Path matcher {path_matcher} should match {path:?}"        );    }     #[test]    fn project_search() {        let path = Path::new("/Users/someonetoignore/work/zed/zed.dev/node_modules");        let path_matcher = PathMatcher::new("**/node_modules/**").unwrap();        assert!(            path_matcher.is_match(path),            "Path matcher {path_matcher} should match {path:?}"        );    }}