Convert Textile to XML

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Textile vs XML Format Comparison

Aspect Textile (Source Format) XML (Target Format)
Format Overview
Textile
Textile Markup Language

Lightweight markup language created by Dean Allen in 2002. Used extensively in Redmine, Textpattern CMS, and other web platforms. Provides concise, human-readable syntax for generating HTML with support for headings, lists, links, images, and tables.

Markup Language Redmine Default
XML
Extensible Markup Language

A flexible, self-descriptive markup language defined by W3C for encoding documents and data in a format that is both human-readable and machine-readable. XML uses custom tags to define data structure and is the foundation for many other formats (XHTML, SVG, DOCX, RSS, SOAP).

W3C Standard Self-Descriptive
Technical Specifications
Structure: Plain text with inline markup symbols
Encoding: UTF-8
Format Type: Lightweight markup language
Generates: HTML output
Extensions: .textile, .txt
Structure: Hierarchical tree of elements
Encoding: UTF-8 (default), UTF-16
Standard: W3C XML 1.0 / 1.1
Validation: DTD, XSD, RELAX NG
Extensions: .xml
Syntax Examples

Textile markup syntax:

h1. API Documentation

h2. Endpoints

|_. Method |_. Path |_. Description |
| GET | /api/users | List all users |
| POST | /api/users | Create a user |

* Authentication required
* Rate limited to 100 req/min

XML structured data:

<?xml version="1.0" encoding="UTF-8"?>
<document title="API Documentation">
  <section name="Endpoints">
    <endpoint method="GET"
      path="/api/users"
      description="List all users"/>
    <endpoint method="POST"
      path="/api/users"
      description="Create a user"/>
  </section>
  <notes>
    <item>Authentication required</item>
    <item>Rate limited to 100 req/min</item>
  </notes>
</document>
Content Support
  • Headings (h1. through h6.)
  • Bold, italic, underline, strikethrough
  • Ordered and unordered lists
  • Hyperlinks and images
  • Tables with alignment
  • Block quotes and code blocks
  • Footnotes and references
  • Custom elements and attributes
  • Nested hierarchical data
  • Namespaces for modular schemas
  • CDATA sections for raw content
  • Processing instructions
  • Comments and documentation
  • Schema validation (XSD, DTD)
  • XPath/XSLT transformation
Advantages
  • Rich formatting in plain text
  • Human-readable source
  • Native support in Redmine
  • Generates clean HTML
  • Compact and expressive syntax
  • Good table support
  • Universal data interchange standard
  • Self-describing with custom tags
  • Schema validation for data integrity
  • Extensive tooling (parsers, validators)
  • Platform and language independent
  • Foundation for many other formats
Disadvantages
  • Less popular than Markdown
  • Limited tooling ecosystem
  • Learning curve for new users
  • Not supported by GitHub/GitLab
  • Fewer parsers available
  • Verbose compared to JSON or YAML
  • Larger file sizes due to tags
  • Complex parsing for simple data
  • Steep learning curve for schemas
  • Declining popularity for web APIs
Common Uses
  • Redmine wiki pages and issues
  • Textpattern CMS content
  • Technical documentation
  • Blog publishing platforms
  • Web content authoring
  • Configuration files (Maven, Ant, Spring)
  • Data interchange (SOAP, RSS, Atom)
  • Document formats (DOCX, XLSX, SVG)
  • Enterprise application integration
  • Web services and APIs
  • Metadata and content management
Best For
  • Redmine project management
  • Formatted web content authoring
  • Quick rich text creation
  • CMS-based publishing
  • Enterprise data exchange
  • Complex document structures
  • Configuration with validation
  • Interoperable data formats
Version History
Introduced: 2002 (Dean Allen)
Current Version: Textile 2
Status: Stable, maintained
Evolution: Minor updates, stable spec
Introduced: 1998 (W3C Recommendation)
Current Version: XML 1.0 (5th Ed.) / 1.1 (2nd Ed.)
Status: W3C Recommendation, stable
Evolution: Mature, widely adopted standard
Software Support
Redmine: Native support
Textpattern: Native support
Ruby: RedCloth library
Other: PHP Textile, Python textile
Python: xml.etree, lxml
Java: JAXB, DOM, SAX, StAX
JavaScript: DOMParser, xml2js
Other: Every major language has XML support

Why Convert Textile to XML?

Converting Textile to XML is essential when you need to transform human-readable Textile documents into structured, machine-processable XML data. XML's hierarchical element-based structure allows for precise representation of document content with custom tags, making it ideal for data interchange, configuration systems, and enterprise applications.

Textile documents contain structured information (headings, lists, tables) that maps naturally to XML's tree-based hierarchy. Headings become nested section elements, lists become ordered item elements, and tables become structured data elements with attributes. This structured output enables automated processing, validation, and transformation using XML tools like XPath and XSLT.

XML remains the standard for enterprise data exchange, configuration management, and document formats. Converting Textile content to XML allows integration with SOAP web services, Maven/Ant build systems, Spring configurations, and content management systems that require XML input. The self-descriptive nature of XML with custom tags makes the data easy to understand and process.

Key Benefits of Converting Textile to XML:

  • Structured Data: Convert document content into hierarchical XML elements
  • Schema Validation: Validate output against XSD or DTD schemas
  • Enterprise Integration: Compatible with SOAP, RSS, and enterprise systems
  • XPath Queries: Query and extract specific data from the XML output
  • XSLT Transform: Transform XML to any other format (HTML, PDF, etc.)
  • Self-Descriptive: Custom tags describe data without external documentation
  • Universal Parsing: XML parsers available in every programming language

Practical Examples

Example 1: Documentation to XML Data

Input Textile file (docs.textile):

h1. Server Configuration Guide

h2. Network Settings

|_. Parameter |_. Value |_. Required |
| hostname | app.example.com | Yes |
| port | 8443 | Yes |
| protocol | HTTPS | Yes |

h2. Database Settings

* Host: db.example.com
* Port: 5432
* Database: production

Output XML file (docs.xml):

<?xml version="1.0" encoding="UTF-8"?>
<document title="Server Configuration Guide">
  <section name="Network Settings">
    <parameter name="hostname"
      value="app.example.com" required="Yes"/>
    <parameter name="port"
      value="8443" required="Yes"/>
    <parameter name="protocol"
      value="HTTPS" required="Yes"/>
  </section>
  <section name="Database Settings">
    <item>Host: db.example.com</item>
    <item>Port: 5432</item>
    <item>Database: production</item>
  </section>
</document>

Example 2: Issue Tracking Data Export

Input Textile file (issues.textile):

h1. Bug Tracker Export

|_. ID |_. Summary |_. Severity |
| BUG-101 | Memory leak in worker | Critical |
| BUG-102 | UI alignment on mobile | Minor |
| BUG-103 | Incorrect date format | Major |

Output XML file (issues.xml):

<?xml version="1.0" encoding="UTF-8"?>
<bug-tracker title="Bug Tracker Export">
  <issue id="BUG-101" severity="Critical">
    <summary>Memory leak in worker</summary>
  </issue>
  <issue id="BUG-102" severity="Minor">
    <summary>UI alignment on mobile</summary>
  </issue>
  <issue id="BUG-103" severity="Major">
    <summary>Incorrect date format</summary>
  </issue>
</bug-tracker>

Example 3: Content Structure Export

Input Textile file (content.textile):

h1. Product Catalog

h2. Electronics

* Laptop - $999
* Tablet - $499
* Smartphone - $699

h2. Accessories

* Keyboard - $79
* Mouse - $49
* Monitor - $349

Output XML file (content.xml):

<?xml version="1.0" encoding="UTF-8"?>
<catalog title="Product Catalog">
  <category name="Electronics">
    <product name="Laptop" price="999"/>
    <product name="Tablet" price="499"/>
    <product name="Smartphone" price="699"/>
  </category>
  <category name="Accessories">
    <product name="Keyboard" price="79"/>
    <product name="Mouse" price="49"/>
    <product name="Monitor" price="349"/>
  </category>
</catalog>

Frequently Asked Questions (FAQ)

Q: What is XML?

A: XML (Extensible Markup Language) is a W3C standard for encoding structured data in a text format. Unlike HTML which has predefined tags, XML allows you to define your own tags to describe data semantics. XML is used for configuration files, data interchange, document formats (DOCX, SVG), web services (SOAP, RSS), and enterprise application integration.

Q: How is Textile content structured in XML?

A: Textile headings become XML section elements, lists become item elements within parent containers, tables become structured elements with attributes derived from column headers, and paragraphs become text content within appropriate elements. The hierarchical nature of headings (h1, h2, h3) naturally maps to XML's nested element structure.

Q: Is the output valid XML?

A: Yes, the converter produces well-formed XML that passes validation. The output includes the XML declaration with UTF-8 encoding, properly nested elements, correctly escaped special characters (&, <, >, "), and a single root element. You can validate it against any XML parser.

Q: Can I apply XSD schema validation to the output?

A: The converted XML uses a consistent structure that can be validated against a custom XSD schema. While we don't generate a schema automatically, the predictable element naming and structure make it straightforward to create one. You can use tools like xmllint or Java's JAXB to validate the output.

Q: How are special characters handled?

A: XML-reserved characters are automatically escaped: ampersand (&) becomes &amp;, less-than (<) becomes &lt;, greater-than (>) becomes &gt;, and quotes become &quot;. This ensures the output is valid XML regardless of the characters in your Textile source document.

Q: Can I transform the XML output using XSLT?

A: Yes! The structured XML output is ideal for XSLT transformation. You can write XSLT stylesheets to transform the converted XML into HTML, PDF (via XSL-FO), other XML formats, or any text-based output. This makes the conversion a starting point for flexible document processing pipelines.

Q: Is XML still relevant today?

A: Absolutely! While JSON has become popular for web APIs, XML remains essential for enterprise systems, document formats (DOCX, SVG, XHTML), configuration (Maven, Spring, Android), data interchange (RSS, Atom, SOAP), and industries with strict schema requirements. XML's validation capabilities make it irreplaceable for many use cases.

Q: Can I parse the XML output in my programming language?

A: Every major programming language has built-in or standard library XML support. Python has xml.etree.ElementTree and lxml, Java has JAXB/DOM/SAX, JavaScript has DOMParser, Ruby has Nokogiri, Go has encoding/xml, and C# has System.Xml. The converted XML can be parsed and processed in any environment.