| 1 | use std::path::PathBuf; |
| 2 | |
| 3 | use crate::core::error::{CoreError, CoreResult}; |
| 4 | |
| 5 | /// `~/.claude/` |
| 6 | pub fn claude_home() -> CoreResult<PathBuf> { |
| 7 | dirs::home_dir() |
| 8 | .map(|h| h.join(".claude")) |
| 9 | .ok_or(CoreError::HomeNotFound) |
| 10 | } |
| 11 | |
| 12 | /// `~/.claude/projects/` |
| 13 | pub fn projects_dir() -> CoreResult<PathBuf> { |
| 14 | Ok(claude_home()?.join("projects")) |
| 15 | } |
| 16 | |
| 17 | /// Best-effort decode of an encoded-cwd directory name into a path. |
| 18 | /// |
| 19 | /// Claude Code encodes cwds by replacing every `/` with `-`. This is |
| 20 | /// lossy — a directory named `my-cool-project` is indistinguishable from |
| 21 | /// three nested dirs `my/cool/project`, and hidden-dir segments (e.g. |
| 22 | /// `/.claude-mem/`) surface as `--` in the encoding. |
| 23 | /// |
| 24 | /// The decoded path returned here is **a best guess only** and callers |
| 25 | /// MUST verify it against the `cwd` field inside the first event of any |
| 26 | /// session living in the encoded directory. Authoritative answer lives |
| 27 | /// in the JSONL payload, not the filename. |
| 28 | pub fn decode_cwd(encoded: &str) -> PathBuf { |
| 29 | PathBuf::from(encoded.replace('-', "/")) |
| 30 | } |
| 31 | |
| 32 | /// Fallback display name when no event provides a cwd — takes the last |
| 33 | /// path segment of the best-guess decode. |
| 34 | pub fn display_name_from_encoded(encoded: &str) -> String { |
| 35 | let decoded = decode_cwd(encoded); |
| 36 | decoded |
| 37 | .file_name() |
| 38 | .and_then(|n| n.to_str()) |
| 39 | .map(|s| s.to_owned()) |
| 40 | .unwrap_or_else(|| encoded.to_owned()) |
| 41 | } |
| 42 | |
| 43 | #[cfg(test)] |
| 44 | mod tests { |
| 45 | use super::*; |
| 46 | use pretty_assertions::assert_eq; |
| 47 | |
| 48 | #[test] |
| 49 | fn decode_basic_path() { |
| 50 | assert_eq!( |
| 51 | decode_cwd("-Users-alice-Documents-claudex"), |
| 52 | PathBuf::from("/Users/alice/Documents/claudex"), |
| 53 | ); |
| 54 | } |
| 55 | |
| 56 | #[test] |
| 57 | fn decode_preserves_collisions_for_callers_to_resolve() { |
| 58 | // Either interpretation is valid without the in-event cwd. |
| 59 | // We just do the mechanical replacement. |
| 60 | assert_eq!( |
| 61 | decode_cwd("-Users-alice-my-cool-project"), |
| 62 | PathBuf::from("/Users/alice/my/cool/project"), |
| 63 | ); |
| 64 | } |
| 65 | |
| 66 | #[test] |
| 67 | fn display_name_for_simple_path() { |
| 68 | assert_eq!( |
| 69 | display_name_from_encoded("-Users-alice-Documents-claudex"), |
| 70 | "claudex", |
| 71 | ); |
| 72 | } |
| 73 | |
| 74 | #[test] |
| 75 | fn display_name_falls_back_to_raw_on_empty() { |
| 76 | assert_eq!(display_name_from_encoded(""), ""); |
| 77 | } |
| 78 | } |
| 79 |