Add DocDataConverter for structured data format conversions and update README.md

Author: sametcn99

README.md

@@ -4,14 +4,32 @@
 
 Terminal-based file converter built with Go. It provides a modern, user-friendly Terminal User Interface (TUI) for batch converting images, videos, audio, and documents between various formats.
 
+## Table of Contents
+
+- [Features](#features)
+- [Supported Formats](#supported-formats)
+  - [Images](#images)
+  - [Videos](#videos)
+  - [Audio](#audio)
+  - [Documents](#documents)
+- [Installation](#installation)
+  - [Prerequisites](#prerequisites)
+  - [Quick Install](#quick-install)
+  - [Build from Source](#build-from-source)
+  - [Platform-Specific Setup](#platform-specific-setup)
+- [Usage](#usage)
+  - [Keyboard Controls](#keyboard-controls)
+- [Notes](#notes)
+- [License](#license)
+
 ## Features
 
 - **Modern TUI Interface:** Beautiful terminal interface with smooth animations and visual feedback.
 - **Batch Conversion:** Select multiple files and convert them all at once with concurrent processing.
 - **Image Conversion:** Native Go implementation for high-performance image processing with quality control.
 - **Video Conversion:** Leverages `ffmpeg` for robust video format support with optimized encoding presets.
 - **Audio Conversion:** Convert between various audio formats using `ffmpeg` with bitrate control.
-- **Document Conversion:** Support for PDF, Markdown, HTML, and EPUB conversions.
+- **Document Conversion:** Support for PDF, Markdown, HTML, EPUB, and doc data conversions (JSON/YAML/XML/TOML/CSV/Excel).
 - **Keyboard Navigation:** Full keyboard support with Vim-like keybindings (`j`/`k`, `h`/`l`).
 - **Cross-Platform:** Works on Linux, macOS, and Windows.
 - **Compression Options:** Choose from High, Balanced, or Compact quality levels.
@@ -58,15 +76,23 @@ Terminal-based file converter built with Go. It provides a modern, user-friendly
 - FLAC lossless support
 - Opus/Vorbis encoding for OGG
 
+> **Note:** Video and audio conversion requires `ffmpeg`. Ebook conversions beyond EPUB require Calibre's `ebook-convert`. DOCX conversions require Pandoc.
+
 ### Documents
 
-| Input                                     | Output                                                                    |
-|-------------------------------------------|---------------------------------------------------------------------------|
+| Input                                     | Output                                                                     |
+|-------------------------------------------|----------------------------------------------------------------------------|
 | `.pdf`, `.md`, `.html`                    | `.pdf`, `.md`, `.html`, `.docx`, `.epub`, `.mobi`, `.azw`, `.azw3`, `.fb2` |
-| `.docx`                                   | `.md`, `.html`, `.txt`                                                    |
-| `.epub`, `.mobi`, `.azw`, `.azw3`, `.fb2` | `.epub`, `.mobi`, `.azw`, `.azw3`, `.fb2`, `.pdf`, `.html`, `.txt`, `.md` |
-| `.csv`                                    | `.xlsx`                                                                   |
-| `.xlsx`, `.xls`                           | `.csv`                                                                    |
+| `.docx`                                   | `.md`, `.html`, `.txt`                                                     |
+| `.epub`, `.mobi`, `.azw`, `.azw3`, `.fb2` | `.epub`, `.mobi`, `.azw`, `.azw3`, `.fb2`, `.pdf`, `.html`, `.txt`, `.md`  |
+| `.csv`                                    | `.xlsx`                                                                    |
+| `.xlsx`, `.xls`                           | `.csv`                                                                     |
+| `.json`                                   | `.yaml`, `.yml`, `.xml`, `.csv`, `.xlsx`, `.xls`                           |
+| `.yaml`, `.yml`                           | `.json`, `.toml`                                                           |
+| `.toml`                                   | `.yaml`, `.yml`                                                            |
+| `.xml`                                    | `.json`                                                                    |
+| `.csv`                                    | `.json`                                                                    |
+| `.xlsx`, `.xls`                           | `.json`                                                                    |
 
 **Features:**
 
@@ -78,18 +104,10 @@ Terminal-based file converter built with Go. It provides a modern, user-friendly
 - PDF compression/optimization
 - CSV to Excel conversion with styled headers and auto-fit columns
 - Excel to CSV export (exports first sheet)
-
-> **Note:** Video and audio conversion requires `ffmpeg`. Ebook conversions beyond EPUB require Calibre's `ebook-convert`. DOCX conversions require Pandoc.
-
-**PATH Note (ebook-convert):**
-- **Linux:** Typically available at `/usr/bin/ebook-convert` (or `/snap/bin/ebook-convert`). Ensure the directory is on `PATH`.
-- **macOS (Homebrew):** `/opt/homebrew/bin/ebook-convert` (Apple Silicon) or `/usr/local/bin/ebook-convert` (Intel).
-- **Windows:** `C:\Program Files\Calibre2\ebook-convert.exe` (or `C:\Program Files (x86)\Calibre2\ebook-convert.exe`). Add the folder to `PATH` if not detected.
-
-**PATH Note (pandoc):**
-- **Linux:** Typically available at `/usr/bin/pandoc` or `/usr/local/bin/pandoc`.
-- **macOS (Homebrew):** `/opt/homebrew/bin/pandoc` (Apple Silicon) or `/usr/local/bin/pandoc` (Intel).
-- **Windows:** `C:\Program Files\Pandoc\pandoc.exe` (or `C:\Program Files (x86)\Pandoc\pandoc.exe`). Add the folder to `PATH` if not detected.
+- JSON ↔ YAML conversion (preserves nested data)
+- JSON ↔ XML conversion with automatic root wrapping
+- JSON ↔ CSV / Excel (first sheet) conversions
+- YAML ↔ TOML conversion
 
 ## Installation
 
@@ -240,6 +258,20 @@ Start in a specific directory:
 | `Esc`     | Go back / Cancel              |
 | `q`       | Quit application              |
 
+## Notes
+
+**PATH Note (ebook-convert):**
+
+- **Linux:** Typically available at `/usr/bin/ebook-convert` (or `/snap/bin/ebook-convert`). Ensure the directory is on `PATH`.
+- **macOS (Homebrew):** `/opt/homebrew/bin/ebook-convert` (Apple Silicon) or `/usr/local/bin/ebook-convert` (Intel).
+- **Windows:** `C:\Program Files\Calibre2\ebook-convert.exe` (or `C:\Program Files (x86)\Calibre2\ebook-convert.exe`). Add the folder to `PATH` if not detected.
+
+**PATH Note (pandoc):**
+
+- **Linux:** Typically available at `/usr/bin/pandoc` or `/usr/local/bin/pandoc`.
+- **macOS (Homebrew):** `/opt/homebrew/bin/pandoc` (Apple Silicon) or `/usr/local/bin/pandoc` (Intel).
+- **Windows:** `C:\Program Files\Pandoc\pandoc.exe` (or `C:\Program Files (x86)\Pandoc\pandoc.exe`). Add the folder to `PATH` if not detected.
+
 ## License
 
 [GPL-3.0](LICENSE)

go.mod

@@ -9,12 +9,15 @@ require (
 	github.com/charmbracelet/bubbles v0.21.0
 	github.com/charmbracelet/bubbletea v1.3.10
 	github.com/charmbracelet/lipgloss v1.1.0
+	github.com/clbanning/mxj/v2 v2.7.0
 	github.com/go-pdf/fpdf v0.9.0
 	github.com/ledongthuc/pdf v0.0.0-20250511090121-5959a4027728
 	github.com/pdfcpu/pdfcpu v0.11.1
+	github.com/pelletier/go-toml/v2 v2.2.3
 	github.com/taylorskalyo/goreader v1.0.1
 	github.com/xuri/excelize/v2 v2.10.0
 	github.com/yuin/goldmark v1.7.16
+	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
@@ -31,6 +34,7 @@ require (
 	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
 	github.com/gabriel-vasile/mimetype v1.3.1 // indirect
 	github.com/gofrs/uuid v3.1.0+incompatible // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/hhrutter/lzw v1.0.0 // indirect
 	github.com/hhrutter/pkcs7 v0.2.0 // indirect
 	github.com/hhrutter/tiff v1.0.2 // indirect

go.sum

@@ -32,6 +32,8 @@ github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91 h1:payR
 github.com/charmbracelet/x/exp/golden v0.0.0-20241011142426-46044092ad91/go.mod h1:wDlXFlCrmJ8J+swcL/MnGUuYnqgQdW9rhSD61oNMb6U=
 github.com/charmbracelet/x/term v0.2.1 h1:AQeHeLZ1OqSXhrAWpYUtZyX1T3zVxfpZuEQMIQaGIAQ=
 github.com/charmbracelet/x/term v0.2.1/go.mod h1:oQ4enTYFV7QN4m0i9mzHrViD7TQKvNEEkHUMCmsxdUg=
+github.com/clbanning/mxj/v2 v2.7.0 h1:WA/La7UGCanFe5NpHF0Q3DNtnCsVoxbPKuyBNHWRyME=
+github.com/clbanning/mxj/v2 v2.7.0/go.mod h1:hNiWqW14h+kc+MdF9C6/YoRfjEJoR3ou6tn/Qo+ve2s=
 github.com/clipperhouse/uax29/v2 v2.2.0 h1:ChwIKnQN3kcZteTXMgb1wztSgaU+ZemkgWdohwgs8tY=
 github.com/clipperhouse/uax29/v2 v2.2.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -45,6 +47,8 @@ github.com/go-pdf/fpdf v0.9.0 h1:PPvSaUuo1iMi9KkaAn90NuKi+P4gwMedWPHhj8YlJQw=
 github.com/go-pdf/fpdf v0.9.0/go.mod h1:oO8N111TkmKb9D7VvWGLvLJlaZUQVPM+6V42pp3iV4Y=
 github.com/gofrs/uuid v3.1.0+incompatible h1:q2rtkjaKT4YEr6E1kamy0Ha4RtepWlQBedyHx0uzKwA=
 github.com/gofrs/uuid v3.1.0+incompatible/go.mod h1:b2aQJv3Z4Fp6yNu3cdSllBxTCLRxnplIgP/c0N/04lM=
+github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=
+github.com/google/go-cmp v0.7.0/go.mod h1:pXiqmnSA92OHEEa9HXL2W4E7lf9JzCmGVUdgjX3N/iU=
 github.com/hhrutter/lzw v1.0.0 h1:laL89Llp86W3rRs83LvKbwYRx6INE8gDn0XNb1oXtm0=
 github.com/hhrutter/lzw v1.0.0/go.mod h1:2HC6DJSn/n6iAZfgM3Pg+cP1KxeWc3ezG8bBqW5+WEo=
 github.com/hhrutter/pkcs7 v0.2.0 h1:i4HN2XMbGQpZRnKBLsUwO3dSckzgX142TNqY/KfXg+I=
@@ -76,6 +80,8 @@ github.com/muesli/termenv v0.16.0 h1:S5AlUN9dENB57rsbnkPyfdGuWIlkmzJjbFf0Tf5FWUc
 github.com/muesli/termenv v0.16.0/go.mod h1:ZRfOIKPFDYQoDFF4Olj7/QJbW60Ol/kL1pU3VfY/Cnk=
 github.com/pdfcpu/pdfcpu v0.11.1 h1:htHBSkGH5jMKWC6e0sihBFbcKZ8vG1M67c8/dJxhjas=
 github.com/pdfcpu/pdfcpu v0.11.1/go.mod h1:pP3aGga7pRvwFWAm9WwFvo+V68DfANi9kxSQYioNYcw=
+github.com/pelletier/go-toml/v2 v2.2.3 h1:YmeHyLY8mFWbdkNWwpr+qIL2bEqT0o95WSdkNHvL12M=
+github.com/pelletier/go-toml/v2 v2.2.3/go.mod h1:MfCQTFTvCcUyyvvwm1+G6H/jORL20Xlb6rzQu9GuUkc=
 github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=