DocBlox: your source matters @ #pfc11
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DocBloxYour source matters
Mike van RielLead Developer of DocBlox
Technical Lead Developer for Unet B.V.Active with PHP since 2002
What is DocBlox?➔ Documentation Generation Application (DGA) for PHP
➔ Inspired by phpDocumentor and JavaDoc
➔ Generates documentation from your source code
➔ Uses the structure and comments of your source code
Why DocBlox?➔ Support for PHP 5.3+ features
➔ Performance, improved with up to 80%
➔ Memory usage, large projects use 100MB instead of gigabytes
➔ Active project, every month new features
● Bug fixes even more frequent➔ QA Tool for in-source documentation
Feature DocBlox phpDocumentor Doxygen
PHP 5.3+ Support
Can cope with large projects
Search
Incremental Parsing
Doctrine Annotations
XML output
Class inheritance diagram
DocBook
Linking to external documentation
Markup of descriptions using Markdown
Latex support
Parse directly from phar
Secret feature
Who uses DocBlox?
Who uses DocBlox?
You?You?
InstallationInstallation via PEAR
$ pear channel-discover pear.docblox-project.org$ pear channel-discover pear.michelf.com$ pear install docblox/DocBlox-beta
Manual installationSee http://docs.docblox-project.org/Installation.html#manual-installation
Running docblox
$ docblox -d [FOLDER] -f [FILE] -t [DESTINATION]
$ docblox parse -d [FOLDER] -f [FILE] -t [STAGING]$ docblox transform -s [STAGING]/structure.xml -t [DESTINATION]
OR
Running docblox: Incremental parsing
$ docblox parse -d [FOLDER] -f [FILE] -t [STAGING]$ docblox transform -s [STAGING]/structure.xml -t [DESTINATION]
➔ Structure file is written to a staging location
➔ Every parsing run DocBlox will know if a file has changed
● If so, re-parse● If not, re-use
➔ Advantages:
● Parsing speed is increased● Structure file is not distributed along with rest of documentation
Running docblox: Incremental parsing
$ docblox parse -d [FOLDER] -f [FILE] -t [STAGING]$ docblox transform -s [STAGING]/structure.xml -t [DESTINATION]
➔ Structure file is written to a staging location
➔ Every parsing run DocBlox will know if a file has changed
● If so, re-parse● If not, re-use
➔ Advantages:
● Parsing speed is increased● Structure file is not distributed along with rest of documentation
Running docblox: Options$ docblox –-help-h [--help] Show this help message-q [--quiet] Silences the output and logging-c [--config] [STRING] Configuration filename OR "none", when this option is omitted DocBlox tries to load the docblox.xml or docblox.dist.xml from the current working directory-f [--filename] STRING Comma-separated list of files to parse. The wildcards ? and * are supported-d [--directory] STRING Comma-separated list of directories to (recursively) parse.-t [--target] [STRING] Path where to store the generated output (optional, defaults to "output")-e [--extensions] [STRING] Optional comma-separated list of extensions to parse, defaults to php, php3 and phtml-i [--ignore] [STRING] Comma-separated list of file(s) and directories that will be ignored. Wildcards * and ? are supported-m [--markers] [STRING] Comma-separated list of markers/tags to filter, (optional, defaults to: "TODO,FIXME")-v [--verbose] Provides additional information during parsing, usually only needed for debugging purposes--title [STRING] Sets the title for this project; default is the DocBlox logo--template [STRING] Sets the template to use when generating the output--force Forces a full build of the documentation, does not increment existing documentation--validate Validates every processed file using PHP Lint, costs a lot of performance--parseprivate Whether to parse DocBlocks tagged with @internal--visibility [STRING] Specifies the parse visibility that should be displayed in the documentation (comma seperated e.g. "public,protected")--defaultpackagename [STRING] name to use for the default package. If not specified, uses "default"
Configuration➔ Stored as XML➔ docblox.dist.xml or docblox.xml
<?xml version="1.0" encoding="UTF-8" ?><docblox> <parser> <default-package-name>DocBlox</default-package-name> <target>data/output</target> </parser> <transformer> <target>data/output</target> </transformer> <files> <directory>.</directory> <ignore>tests/*</ignore> </files></docblox>
Writing Docblocks➔ Docblocks are used to tag elements with meta-data
➔ Specific type of comment: /** … */
➔ Three parts:
● Short description, one liner● Long description, a complete description of the
element● Tags, annotations which provide additional
information
Docblocks - II/** * This is a short description. * * This is a long description, which may span * multiple lines and contain {@inline} tags and * can be *styled* with `Markdown`. * * @param string $a This is the first variable. * @param \Exception $b This is the second variable. * @param array $c This is the third variable. * * @return void */function myFunction($a, \Exception $b, array $c){}
Supported elements➔ Files
➔ Namespaces
➔ Includes & requires
➔ Classes
➔ Traits (not yet, is coming)
➔ Functions, methods and closures
➔ Properties
➔ Constants, global and class
Supported tags➔ @abstract
➔ @access
➔ @api
➔ @author
➔ @category
➔ @copyright
➔ @deprecated
➔ @example
➔ @final
➔ @filesource
➔ @global
➔ @ignore
➔ @internal
➔ @license
➔ @link
➔ @method
➔ @name
➔ @package
➔ @param
➔ @property
➔ @return
➔ @see
➔ @since
➔ @static
➔ @staticvar
➔ @subpackage
➔ @throws / @throw
➔ @todo
➔ @tutorial
➔ @uses / @usedby
➔ @var
➔ @version
Inheritance➔ Docblocks inherit by default (if not overridden)
● Short description● Long description
– Can be augmented using {@inheritdoc}● Specific tags
Inheritance - Classes➔ Methods➔ Properties➔ Tags
● @package● @subpackage
– if @package is the same as parent
● @version● @copyright● @author
Inheritance - METHODS➔ Tags
● @param● @return● @throw / @throws● @version● @copyright● @author
Inheritance - Properties➔ Tags
● @var● @version● @copyright● @author
Inheritance - Exampleclass Parent { /** * Short description. * * @api * @param int $a First param. * @param string $b Second param. */ function doIt($a, $b) { .. }}
class Child extends Parent {
function doIt($a, $b) { .. }}
DocBlox adds this for you.Note the missing @api tag
/** * Short description. * * @param int $a First param. * @param string $b Second param. */
Inheritance - @inheritdocclass Parent { /** * Short description. * * This is my long description. * * @param int $a First param. * @param string $b Second param. */ function doIt($a, $b) { .. }}
class Child extends Parent {
function doIt($a, $b) { .. }}
/** * Short description. * * This method adds another bit of functionality * {@inheritdoc} * * @param int $a First param. * @param string $b Second param. */
Inheritance - @inheritdocclass Parent { /** * Short description. * * This is my long description. * * @param int $a First param. * @param string $b Second param. */ function doIt($a, $b) { .. }}
class Child extends Parent {
function doIt($a, $b) { .. }}
/** * Short description. * * This method adds another bit of functionality * This is my long description. * * @param int $a First param. * @param string $b Second param. */
DocBlox adds this for you.
References➔ From Docblocks you can refer to other parts of
the documentation using● @uses● @see● @link and {@link .. }● @example
* @uses \My\Namespace\Class::function()
* @see \My\Namespace\Class::$property
* @link http://my.domain link text
* @example gist:123456
BONUS: Templates➔ Templates are a sequence of data
transformations➔ Can contain other templates➔ May reside anywhere; even in your own project
● which is recommended for custom templates
➔ A transformation invokes a Writer
BONUS: Templates➔ Skeleton can be generated using the following
command:
$ docblox theme:generate -t [PATH] -n [NAME]
BONUS: THEMES➔ Are a collection of `views` ➔ Can be transformed to a specific output➔ Templates can cherry pick from different
themes➔ Themes can 'use' eachother
Secret Feature
Plugins➔ Starting with 0.15 DocBlox will support plugins➔ Core functionality will be captured in a plugin
(eat your own dog food)➔ An easy pluggable event-based system➔ Able to manipulate many functions in DocBlox
Plugins: invoking➔ Add to configuration file as `plugins/plugin`
element➔ DocBlox Core plugin is assumed when nothing
is defined➔ Define path and class prefix for autoloading➔ Can have options, added in configuration file
Plugins: Configuration<?xml version="1.0" encoding="UTF-8" ?><docblox>... <plugins> <plugin path="/my/path/to/plugin_folder" class_prefix="My_Plugin"> <option name="my_option"> value </option> </plugin> </plugins>...</docblox>
Plugins - Exampleclass DocBlox_Plugin_Core_Listener extends DocBlox_Plugin_Abstract
{
/** * Apply a set of behaviours to the given structure. * * @docblox-event transformer.pre-transform * * @param sfEvent $data * * @return void */ public function applyBehaviours(sfEvent $data) { … }}
Plugins - Hooks➔ No XSL hooks to start with
➔ Limited set to start with:● system.log, default logger● system.debug, logging of debug messages● parser.log, logging of parser errors● transformer.transform.pre, adding behaviour● transformer.transform.post, post processing of output● reflection.docblock-extraction.post, validating docblock● reflection.docblock.tag.export, transform tag to specialized form
Questions?
What is SCRUM?
Mike van [email protected]@mvrielhttp://blog.naenius.com
Links● http://www.docblox-project.org● http://github.com/mvriel/docblox
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