v1.0.3

Twig v1.0.3

New Features

Security Enhancement

• Sandbox Mode: Added comprehensive sandbox security system for templates
  • Implemented a SecurityPolicy interface to restrict allowed functions, filters, and tags
  • Added DefaultSecurityPolicy with safe defaults for common operations
  • Added sandboxed option to include tag for secure template inclusion
  • Added engine-level sandbox control methods: EnableSandbox() and DisableSandbox()

Template Inheritance Enhancement

• Parent Function: Implemented parent() function for accessing parent block content
  • Allows child templates to extend rather than completely replace block content
  • Preserves proper inheritance chain for multi-level inheritance
  • Enhanced block context tracking for proper parent reference resolution

Whitespace Control

• Dash Modifiers: Added support for whitespace control with dash modifiers (-)
  • Added support for {{- ... }} and {{ ... -}} to trim whitespace before/after output
  • Added support for {%- ... %} and {% ... -%} to trim whitespace before/after block tags
  • Preserves template readability while controlling output formatting

Improvements

• Code Organization: Enhanced internal APIs for better maintainability
• Documentation: Updated README and wiki with new features
• Code Quality: Improved error handling and memory management
• Performance: Optimized context handling for sandboxed includes

Documentation

• Updated README with detailed information about new features
• Added comprehensive wiki pages for Sandbox Mode, Parent Function, and Whitespace Control
• Updated release notes with detailed information about changes