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ConsoleInk.NET Development State

Goal

Enhance the MarkdownConsoleWriter to:

  1. Reliably handle block-level elements (Paragraphs, Headings, Lists, Code Blocks, Tables, Blockquotes) with correct transitions and newline separation according to Markdown conventions. (DONE)
  2. Implement inline styling for italic, bold, strikethrough using ANSI escape codes. (DONE)
  3. Implement remaining core CommonMark features (Links, Images, HTML Stripping). (DONE, except reference link limitations)
  4. Implement core GFM features (Task Lists, Basic Tables). (DONE for simple tables and task lists)

Accomplished

  • Refactored Block Processing: Significantly refactored ProcessLine and related methods for clearer state transitions, block finalization, and style application through multiple iterations.
  • Integrated List Parsing: Moved list item detection into DetermineBlockType.
  • Centralized Finalization: Created FinalizeBlock for cleanup, modified to return bool indicating output and set state flag.
  • Fixed List Numbering & Indentation: Corrected logic for ordered lists and passed detected indentation to WriteListItem. Added missing space after list bullets.
  • Block Separation Logic: Introduced _needsSeparationBeforeNextBlock flag set by FinalizeBlock based on RequiresSeparationAfter. ProcessLine consumes this flag at its start. Logic now correctly handles separation between most block types, including transitions involving blank lines and non-rendering blocks like LinkDefinition. (RESOLVED)
  • Code Block Handling: Added styling and indentation trimming for code blocks. Ensured correct newline handling.
  • Implemented Emphasis Parsing: Added WriteFormattedParagraph to handle inline styles.
  • Fixed Emphasis Logic:
    • Correctly implemented parsing for *, _, **, __, ~~ markers.
    • Implemented stack-based logic to handle nested styles (e.g., **bold *italic* bold**).
    • Handled combined styles (e.g., ***bold italic***).
    • Implemented escaping (\*, \_, \~, \!, \[, \], \(, \), \\) to allow literal markers.
  • Corrected ANSI Style Closing: Ensured specific off-codes ([22m, [23m, [29m) are used instead of a generic reset when styles end, unless the style stack is empty.
  • Fixed Paragraph Newlines & Wrapping: Resolved issue where paragraphs sometimes had extra trailing newlines by removing explicit newline from WriteParagraph and relying on separation logic. Improved word wrapping space handling (though warnings exist).
  • Test Alignment: Adjusted emphasis tests (Render_BoldEmphasis, etc.) to expect specific off-codes instead of a final Ansi.Reset. Adjusted newline expectations in many tests to use Environment.NewLine and reflect logic changes (e.g., double newline for headings).
  • All Emphasis Tests Passing.
  • Implemented Blockquotes: Added Blockquote block type, parsing (> ), styling, and tests.
  • Fixed Inline & Reference Links: Corrected parsing logic in WriteFormattedParagraph and state handling in ProcessLine/Complete to correctly handle inline links, reference link definitions ([label]: url), and reference link usage ([text][label], etc.). Acknowledged streaming limitation: reference links render literally if definition appears after usage. Corrected newline handling around LinkDefinition blocks. All link tests now pass (after adjusting expectations for literal rendering where appropriate and correct separation).
  • Implemented Inline Images: Added parsing for ![alt](url) to render styled alt text.
  • Implemented Basic HTML Stripping: Added simple <...> tag stripping in WriteFormattedParagraph.
  • Implemented GFM Task Lists: Added parsing for - [ ] and - [x] within list items, styling, and tests.
  • Refactored GFM Table State Machine: Corrected DetermineBlockType and ProcessLine to properly handle transitions into and continuation of table blocks. Prevented extra newline before table start.
  • Fixed GFM Table Rendering (Simple Case): Corrected padding logic in WriteTable, column width calculation, and separator generation logic. Render_SimpleTable now passes. (RESOLVED for simple case)
  • Fixed Skipped Test: Corrected logic and expectations for Render_ListThenCodeBlock.
  • Debugging: Added detailed logging framework (_logger, _log), used it to diagnose issues. Corrected various test expectations based on logs and refined logic.
  • Test Harness Fix: Corrected AssertRender to handle line endings consistently (normalize both to LF), accept MarkdownRenderOptions, and provide detailed log output on failure.
  • Fixed Write(string) Multi-line Handling: Corrected parsing logic to handle input strings containing multiple \r\n or \n correctly.
  • Fixed Heading Rendering: Ensured WriteHeading was called correctly from ProcessLine.
  • Fixed GFM Table Alignment & Missing Cells: Corrected ParseAndStoreTableHeaderAndSeparator to handle missing separator cells, ensuring alignment list matches column count. Corrected WriteTable to use actual column alignment for header padding. Adjusted SplitTableRow for robustness. Corrected expected output in related tests (Render_TableWithAlignment, Render_TableWithMissingCells). (RESOLVED)
  • Added C# Demo Project: Created ConsoleInk.Demo project with example usage and added it to the solution.
  • Configured NuGet Packaging: Updated ConsoleInk.Net.csproj with metadata, SourceLink, and file includes for NuGet package generation.
  • Added PowerShell Sample Script: Created samples/PowerShell/Demo.ps1 demonstrating direct DLL usage.
  • Updated README: Reflected project structure changes, demo/sample additions, and packaging setup in README.md.

Current Test Status

  • Passing: 57 / 57
  • Skipped: 0
  • Failing: 0

Remaining Issues / Future Work

  • Fix Skipped Table Tests: Address alignment (Render_TableWithAlignment) and missing cell handling (Render_TableWithMissingCells) in WriteTable. (DONE)
  • Address Compiler Warnings: Fix unused skippedSpace variable and potential null conversion warnings identified during builds.
  • Recursive Inline Parsing: Implement recursive parsing within elements like link text ([**bold**](url)) and image alt text (![*alt*](url)).
  • Refine HTML Handling: Implement more robust HTML stripping or potentially basic tag support.
  • Refine PowerShell module (ConsoleInk.PowerShell).
  • Add comprehensive documentation and examples.