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CHANGELOG.md

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Changelog

6.5.0

  • Add support for most XPath 1.0 functions, including set-operations and ensuring document order for node-sets.
  • Add support for XPath expression evaluation, user-defined variables, and user-defined functions.
  • Add XmlNode.xpathGenerate to create a readable XPath for all nodes.
  • Add support for node comparison: XmlNode.isEqualNode and XmlNode.compareNodePosition.

6.4.0

  • Dart 3.0 and PetitParser 6.0 requirement.
  • Add RSS feed reader example.

6.3.0

  • Upgrade to Dart 2.19 and PetitParser 5.4.
  • Add XmlElement.tag constructor that greatly simplifies the creation of elements, i.e. XmlElement(XmlName('br'), [], [], true) becomes XmlElement.tag('br', isSelfClosing: true).
  • Deprecate the ambiguous XmlNode.text: Replace with XmlNode.value to access the textual contents of the node, or XmlNode.innerText to access the textual contents of its descendants.
  • Fix XmlNode.siblings and various related methods to also work correctly on XmlAttribute nodes, make the method return a mutable list.
  • Improve XmlNode.replace(XmlNode) and add XmlNode.remove() for easy removal of a node.
  • Improve error position propagation when building the XML DOM.
  • Make the parser more forgiving when reading attributes.
  • Experimental support of a subset of XPath.
  • Add new-line normalization support.

6.2.0

  • Upgrade to PetitParser 5.1 brings a 10% speed improvement (typed sequences).
  • Add the ability to tap into a stream of XmlEvent with tapEachEvent (similar to forEachEvent).
  • Remove XmlName equality operator == and hashCode. This is inconsistent with the other DOM nodes, and the provided implementation might not have the desired behavior.
  • Improved error reporting when accessing innerText or innerXml on DOM nodes that cannot have children.

6.1.0

  • Dart 2.17 requirement.
  • Validate the presence and order of root nodes when parsing; this got lost in 6.0.0 and can now also optionally be enabled for streaming and iterable parsers.
  • Add support for basic document type parsing. The contents of the XmlDoctype can now be accessed through name, externalId and internalSubset.

6.0.0

  • Significantly improve parsing performance by up to 30%.
  • Improved error handling to include more information, such as tag names and location in the parsed source.
  • Use the pull-based parser for all underlying parsing operations:
    • Reduce size of library by removing duplicated parsing and validation functionality.
    • Fix entity decoding if the entity spawns multiple chunks.
  • Cleanup dynamic calls and type declarations:
    • Avoid all dynamic calls across the library (thanks to srawlins).
    • Remove deprecated XmlTransformer as it requires dynamic calls in the XmlVisitor.
    • Cleanup the dynamic typing of XmlVisitor.
  • XmlBuilder keeps keeps correct nesting, even in case of exceptions.
  • Remove deprecated code:
    • parse(String input): use XmlDocument.parse(String input) or XmlDocumentFragment.parse(String input) instead.
    • XmlBuilder.build(): use XmlBuilder.buildDocument() or XmlBuilder.buildFragment() instead.
    • XmlNormalizer.defaultInstance: use const XmlNormalizer() instead.
    • XmlProductionDefinition, XmlGrammarDefinition, and XmlParserDefinition.

5.4.0

  • Dart 2.16 requirement.
  • Update to PetitParser 5.0.
  • Escape control characters (thanks to rspilker).
  • Add a predicate to pretty printer to insert a space character before self-closing elements (thanks to rspilker).
  • Add predicates to normalizer to trim leading and trailing whitespaces, as well as collapse consecutive whitespaces.
  • Expose qualifiedName, localName, namespacePrefix and namespaceUri for convenience on the named nodes.

5.3.0

  • Dart 2.15 requirement.
  • Upgrade to PetitParser 4.3.

5.2.0

  • A series of read-only accessors that simplify navigating the XML DOM with XmlElements:
    • Add XmlNode.childElements.
    • Add XmlNode.siblings and XmlNode.siblingElements.
    • Add XmlNode.previousElementSibling and XmlNode.nextElementSibling.
    • Add XmlNode.ancestorElements, XmlNode.precedingElements, XmlNode.descendantElements, and XmlNode.followingElements.

5.1.1

  • Fix printing of Exceptions.
  • Fix parsing of DOCTYPE tags.

5.1.0

  • Upgrade to PetitParser 4.1.0.

5.0.0

  • Dart 2.12 requirement and null-safety.
  • Add the possibility to XmlBuilder to add raw strings.
  • Improve error reporting (particularly for fragment parsing).
  • Default entity mapping is now a global setting.
  • Improve tutorials and documentation.

4.5.0

  • Fixed a bug in the XML name parsing where certain unicode planes were not correctly recognized.
  • Removed const constructor from XmlEvent to be able to add a lazy initialized parentEvent field.
  • Add XmlWithParentEvents that provides validation of event nesting and efficient access to the parent events. Use stream.withParentEvents() to annotate the stream accordingly.
  • Add namespace resolution to events through event.namespaceUri. Note that the data is only available when the parent information is present (see above).
  • Fix namespace resolutions for events in selected sub-tree nodes, even if the namespace declaration is not part of the visible DOM.
  • Add stream.forEachEvent(onText: ...) for easier callback based stream processing.

4.4.0

  • Add a XmlSubtreeSelector that allows efficient filtering of events in specific sub-trees. Use stream.selectSubtreeEvents(...) to filter the stream accordingly.
  • Add more options to XML pretty printer, namely the possibility to sort and indent attributes.
  • Add typed extension methods for all stream converters, for simpler and more fluent API.
  • Improvements to documentation and examples.

4.3.0

  • Improve error reporting of XmlBuilder and add possibility to build XmlDocumentFragments.
  • Improvements to documentation and examples.

4.2.0

  • Deprecate standalone XmlDocument parse(String input) method, and introduce factory methods in the respective nodes XmlDocument.parse(String input) and XmlDocumentFragment.parse(String input).
  • Introduce getters and setters for XmlNode.innerText (in most cases an alias to XmlNode.text), XmlNode.innerXml and XmlNode.outerXml.
  • Improved support for XmlDocumentFragment across the library.
  • Remove the XmlDocument.text override, which returned null.
  • Add XmlNode.replace(XmlNode other) to make it easier to replace nodes in an existing tree.
  • Add XmlNode.getElement(String name) as a shortcut to find the first child element with a given name.
  • Add XmlNode.firstElementChild and XmlNode.lastElementChild to easy access the first/last child element.
  • Add support to selectively disable whitespace normalization while pretty-printing, for example document.toXmlString(pretty: true, preserveWhitespace: (node) => node is XmlElement && node.name.local == 'pre') would keep everything within <pre> tags as-is.

4.1.0

  • Improve the pretty printing and the customization of the pretty printing:
    • XmlWriter and XmlPrettyWriter are now initialized with optional arguments.
    • Pretty printing now also supports to customize the newline support.
    • Example is updated to also syntax highlight / colorize the output.
  • Add full namespace support to attribute accessors setAttribute and removeAttribute.
  • Improved the documentation, particularly started a section on xml_events package.

4.0.0

  • Cleanup the node hierarchy. Specifically removed XmlOwned and XmlParent that added a lot of complexity and confusion. Instead, introduced dedicated mixins for nodes with attributes (XmlHasAttributes), children (XmlHasChildren), names (XmlHasName) or parents (XmlHasParent).
  • Introduce XmlDeclaration nodes, events and builder to make accessing XML version and encoding simpler.

3.7.0

  • Update to PetitParser 3.0.0.
  • Dart 2.7 compatibility and requirement.

3.6.0

  • Entity decoding and encoding is now configurable with an XmlEntityMapping. All operations that read or write XML can now (optionally) be configured with an entity mapper.
  • The default entity mapping used only maps XML entities, as opposed to all HTML entities as in previous versions. To get the old behavior use XmlDefaultEntityMapping.html5.
  • Made XmlParserError a FormatException to follow typical Dart exception style.
  • Add an example demonstrating the interaction with HTTP APIs.

3.5.0

  • Dart 2.3 compatibility and requirement.
  • Turn various abstract classes into proper mixins.
  • Numerous documentation improvements and code optimizations.
  • Add an event parser example.

3.4.0

  • Dart 2.2 compatibility and requirement.
  • Take advantage of PetitParser fast-parse mode:
    • 15-30% faster DOM parsing, and
    • 15-50% faster event parsing.
  • Improve error messages and reporting.

3.3.0

  • New events based parsing in xml_events:
    • Lazy event parsing from an XML string into an Iterable of XmlEvent.
    • Async converters between streams of XML, XmlEvent and XmlNode.
  • Clean up package structure by moving internal packages into the src/ subtree.
  • Remove the experimental SAX parser, the event parser allows more flexible streaming XML consumption.

3.2.4

  • Remove unnecessary whitespace when printing self-closing tags.
  • Remember if an element is self-closing for stable printing.

3.2.0

  • Migrated to PetitParser 2.0

3.1.0

  • Drop Dart 1.0 compatibility
  • Cleanup, optimization and improved documentation
  • Add experimental support for SAX parsing

3.0.0

  • Mutable DOM
  • Cleaned up documentation
  • Dart 2.0 strong mode compatibility
  • Reformatted using dartfmt

2.6.0

  • Fix CDATA encoding
  • Migrate to micro libraries
  • Fixed linter issues

2.5.0

  • Generic Method syntax with Dart 1.21

2.4.5

  • Do no longer use ArgumentError, but instead use proper exceptions.

2.4.4

  • Fixed attribute escaping
  • Preserve single and double quotes

2.4.3

  • Improved documentation

2.4.2

  • Use enum as the node type

2.4.1

  • Fixed attribute escaping

2.4.0

  • Fixed linter issues
  • Cleanup node hierarchy

2.3.2

  • Improved documentation

2.3.1

  • Improved test coverage

2.3.0

  • Improved comments
  • Optimize namespaces

2.2.2

  • Formatted source

2.2.1

  • Cleanup pretty printing

2.2.0

  • Improved comments