feat(parser): Implement hosts file parser with intelligent formatting

- Added `internal/core/parser.go` for parsing hosts files, including:
  - Support for standard entries (IPv4, IPv6, multiple aliases, inline comments)
  - Handling of comments and disabled entries
  - Error recovery for malformed lines with warnings
  - Intelligent formatting with adaptive spacing and column alignment
  - Backup and atomic write operations for file safety

test(parser): Add comprehensive tests for hosts file parsing

- Created `tests/parser_test.go` with 54 test cases covering:
  - Standard entries and comments
  - Malformed lines and whitespace variations
  - Round-trip parsing to ensure format preservation
  - Backup functionality for hosts files

docs(progress): Update project progress and next steps

- Mark Phase 1 as complete and outline tasks for Phase 2 (TUI implementation)
- Highlight completed features and testing coverage
This commit is contained in:
Philip Henning 2025-08-13 10:33:36 +02:00
parent d66ec51ebd
commit b81f11f711
10 changed files with 1303 additions and 210 deletions

View file

@ -60,3 +60,12 @@ The `/etc/hosts` file is a critical system file that maps hostnames to IP addres
- Reduces hosts file corruption incidents
- Speeds up common host management tasks
- Provides confidence in making changes
## Phase 1 Achievements ✅
- **Safety foundation**: Backup system and atomic writes prevent any data loss
- **Format preservation**: Intelligent parser maintains user formatting preferences
- **Comprehensive validation**: IP and hostname validation with clear error messages
- **Error resilience**: Warning system handles malformed entries gracefully
- **Production ready**: 54 comprehensive tests covering all edge cases and scenarios
The core value proposition of safe, reliable hosts file management has been fully implemented and validated.