Module edit_diff 

Pure edit matching and diff helpers for the edit tool.

Ports .references/pi/packages/coding-agent/src/core/tools/edit-diff.ts. Matching runs against the original LF-normalized file; multi-edits apply in reverse offset order. Fuzzy matches preserve untouched original line bytes.

Structs

AppliedEditsResult

Result of applying edits to LF-normalized content.

DiffStringResult

Display-oriented diff result.

Edit

One exact-text replacement.

Enums

LineEnding

Line ending detected from file content (first occurrence wins).

Functions

apply_edits_to_normalized_content

Apply one or more exact-text replacements to LF-normalized content.

detect_line_ending

Detect line ending from the first newline occurrence.

generate_diff_string

Generate a display-oriented numbered diff with context collapse.

generate_unified_patch

Generate a standard contextual unified patch.

normalize_for_fuzzy_match

Normalize text for fuzzy matching (NFKC, trimEnd, quotes, dashes, spaces).

normalize_to_lf

Normalize \r\n and bare \r to \n.

restore_line_endings

Restore LF content to the original line ending style.

strip_bom

Strip a leading UTF-8 BOM, returning (bom, text_without_bom).