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Merge pull request #1354 from lonalore/master

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Library manager
This commit is contained in:
Cameron 2016-02-13 14:57:14 -08:00
commit 922a221588
5 changed files with 1616 additions and 1 deletions
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46
e107_handlers/e107_class.php
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@ -1649,6 +1649,52 @@ class e107
return self::getSingleton('eMessage', true);
}
/**
* Retrieve Library Manager singleton object
*
* @return e_library_manager
*/
public static function getLibrary()
{
static $included = false;
if(!$included)
{
e107_require_once(e_HANDLER . 'library_manager.php');
$included = true;
}
return e_library_manager::getInstance();
}
/**
* Library Common Public Function.
*
* @param string $action
* - 'detect': Tries to detect a library and its installed version.
* - 'load': Loads a library.
* @param string $library
* The name of the library to detect/load.
*
* @return array|boolean
* - In case of 'detect': An associative array containing registered information for the library specified by
* $name, or FALSE if the library $name is not registered.
* - In case of 'load': An associative array of the library information.
*/
public static function library($action, $library)
{
$libraryHandler = e107::getLibrary();
switch ($action)
{
case 'detect':
return $libraryHandler->libraryDetect($library);
break;
case 'load':
return $libraryHandler->libraryLoad($library);
break;
}
}
/**
* Retrieve JS Manager singleton object
*

1171
e107_handlers/library_manager.php Normal file
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3
e107_handlers/plugin_class.php
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@ -60,7 +60,8 @@ class e107plugin
'e_related',
'e_rss',
'e_upload',
'e_user'
'e_user',
'e_library', // For third-party libraries are defined by plugins/themes.
);

18
e107_languages/English/lan_library_manager.php Normal file
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@ -0,0 +1,18 @@
<?php
/**
* @file
* Language definitions for Library Manager.
*/
define('LAN_LIBRARY_MANAGER_01', 'The "[x]" library, which the "[y]" library depends on, is not installed.');
define('LAN_LIBRARY_MANAGER_02', 'The version "[x]" of the "[y]" library is not compatible with the "[z]" library.');
define('LAN_LIBRARY_MANAGER_03', 'The "[x]" library could not be found.');
define('LAN_LIBRARY_MANAGER_04', 'The version of the "[x]" library could not be detected.');
define('LAN_LIBRARY_MANAGER_05', 'The installed version "[x]" of the "[y]" library is not supported.');
define('LAN_LIBRARY_MANAGER_06', 'The "[x]" variant of the "[y]" library could not be found.');
define('LAN_LIBRARY_MANAGER_07', 'missing dependency');
define('LAN_LIBRARY_MANAGER_08', 'incompatible dependency');
define('LAN_LIBRARY_MANAGER_09', 'not found');
define('LAN_LIBRARY_MANAGER_10', 'not detected');
define('LAN_LIBRARY_MANAGER_11', 'not supported');

379
e107_plugins/_blank/e_library.php Normal file
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@ -0,0 +1,379 @@
<?php
/**
* @file
* Documents API functions for Library Manager.
* Usage examples.
*/
/**
* Class PLUGIN_library.
*/
class PLUGIN_library
{
/**
* Return information about external libraries.
*
* @return
* An associative array whose keys are internal names of libraries and whose values are describing each library.
* Each key is the directory name below the '{e_WEB}/lib' directory, in which the library may be found. Each
* value is an associative array containing:
* - name: The official, human-readable name of the library.
* - vendor url: The URL of the homepage of the library.
* - download url: The URL of a web page on which the library can be obtained.
* - path: (optional) A relative path from the directory of the library to the actual library. Only required if
* the extracted download package contains the actual library files in a sub-directory.
* - library path: (optional) The absolute path to the library directory. This should not be declared normally, as
* it is automatically detected, to allow for multiple possible library locations. A valid use-case is an
* external library, in which case the full URL to the library should be specified here.
* - version: (optional) The version of the library. This should not be declared normally, as it is automatically
* detected (see 'version callback' below) to allow for version changes of libraries without code changes of
* implementing plugins and to support different versions of a library simultaneously. A valid use-case is an
* external library whose version cannot be determined programmatically. Either 'version' or 'version callback'
* (or 'version arguments' in case libraryGetVersion() is being used as a version callback) must be declared.
* - version callback: (optional) The name of a function that detects and returns the full version string of the
* library. The first argument is always $library, an array containing all library information as described here.
* There are two ways to declare the version callback's additional arguments, either as a single $options
* parameter or as multiple parameters, which correspond to the two ways to specify the argument values (see
* 'version arguments'). Defaults to libraryGetVersion(). Unless 'version' is declared or libraryGetVersion()
* is being used as a version callback, 'version callback' must be declared. In the latter case, however,
* 'version arguments' must be declared in the specified way.
* - version arguments: (optional) A list of arguments to pass to the version callback. Version arguments can be
* declared either as an associative array whose keys are the argument names or as an indexed array without
* specifying keys. If declared as an associative array, the arguments get passed to the version callback as a
* single $options parameter whose keys are the argument names (i.e. $options is identical to the specified
* array). If declared as an indexed array, the array values get passed to the version callback as separate
* arguments in the order they were declared. The default version callback libraryGetVersion() expects a
* single, associative array with named keys:
* - file: The filename to parse for the version, relative to the path specified as the 'library path' property
* (see above). For example: 'docs/changelog.txt'.
* - pattern: A string containing a regular expression (PCRE) to match the library version. For example:
* '@version\s+([0-9a-zA-Z\.-]+)@'. Note that the returned version is not the match of the entire pattern
* (i.e. '@version 1.2.3' in the above example) but the match of the first sub-pattern (i.e. '1.2.3' in the
* above example).
* - lines: (optional) The maximum number of lines to search the pattern in. Defaults to 20.
* - cols: (optional) The maximum number of characters per line to take into account. Defaults to 200. In case
* of minified or compressed files, this prevents reading the entire file into memory.
* Defaults to an empty array. 'version arguments' must be specified unless 'version' is declared or the
* specified 'version callback' does not require any arguments. The latter might be the case with a
* library-specific version callback, for example.
* - files: An associative array of library files to load. Supported keys are:
* - js: A list of JavaScript files to load.
* - css: A list of CSS files to load.
* - php: A list of PHP files to load.
* - dependencies: An array of libraries this library depends on. Similar to declaring plugin dependencies, the
* dependency declaration may contain information on the supported version. Examples of supported declarations:
* @code
* $library['dependencies'] = array(
* // Load the 'example' library, regardless of the version available:
* 'example',
* // Only load the 'example' library, if version 1.2 is available:
* 'example (1.2)',
* // Only load a version later than 1.3-beta2 of the 'example' library:
* 'example (>1.3-beta2)'
* // Only load a version equal to or later than 1.3-beta3:
* 'example (>=1.3-beta3)',
* // Only load a version earlier than 1.5:
* 'example (<1.5)',
* // Only load a version equal to or earlier than 1.4:
* 'example (<=1.4)',
* // Combinations of the above are allowed as well:
* 'example (>=1.3-beta2, <1.5)',
* );
* @endcode
* - variants: (optional) An associative array of available library variants. For example, the top-level 'files'
* property may refer to a default variant that is compressed. If the library also ships with a minified and
* uncompressed/source variant, those can be defined here. Each key should describe the variant type, e.g.
* 'minified' or 'source'. Each value is an associative array of top-level properties that are entirely
* overridden by the variant, most often just 'files'. Additionally, each variant can contain following
* properties:
* - variant callback: (optional) The name of a function that detects the variant and returns TRUE or FALSE,
* depending on whether the variant is available or not. The first argument is always $library, an array
* containing all library information as described here. The second argument is always a string containing the
* variant name. There are two ways to declare the variant callback's additional arguments, either as a single
* $options parameter or as multiple parameters, which correspond to the two ways to specify the argument
* values (see 'variant arguments'). If omitted, the variant is expected to always be available.
* - variant arguments: A list of arguments to pass to the variant callback. Variant arguments can be declared
* either as an associative array whose keys are the argument names or as an indexed array without specifying
* keys. If declared as an associative array, the arguments get passed to the variant callback as a single
* $options parameter whose keys are the argument names (i.e. $options is identical to the specified array).
* If declared as an indexed array, the array values get passed to the variant callback as separate arguments
* in the order they were declared.
* Variants can be version-specific (see 'versions').
* - versions: (optional) An associative array of supported library versions. Naturally, libraries evolve over
* time and so do their APIs. In case a library changes between versions, different 'files' may need to be
* loaded, different 'variants' may become available, or e107 plugins need to load different integration files
* adapted to the new version. Each key is a version *string* (PHP does not support floats as keys). Each value
* is an associative array of top-level properties that are entirely overridden by the version.
* - integration files: (optional) Sets of files to load for the plugin, using the same notion as the top-level
* 'files' property. Each specified file should contain the path to the file relative to the plugin it belongs
* to.
* Additional top-level properties can be registered as needed.
*/
function config()
{
// The following is a full explanation of all properties. See below for more concrete example implementations.
// This array key lets Library Manager search for 'e107_web/lib/example' directory, which should contain the
// entire, original extracted library.
$libraries['example'] = array(
// Only used in administrative UI of Libraries API.
'name' => 'Example library',
'vendor url' => 'http://example.com',
'download url' => 'http://example.com/download',
// Override default library location ({e_WEB}/lib).
'library path' => e_PLUGIN . 'example',
// Optional: If, after extraction, the actual library files are contained in 'e107_web/lib/example/lib',
// specify the relative path here.
'path' => 'lib',
// Optional: Define a custom version detection callback, if required. Need to be in your 'PLUGIN_library'
// class.
'version callback' => 'example_custom_version_callback',
// Specify arguments for the version callback.
// By default, libraryGetVersion() takes a named argument array:
'version arguments' => array(
'file' => 'docs/CHANGELOG.txt',
'pattern' => '@version\s+([0-9a-zA-Z\.-]+)@',
'lines' => 5,
'cols' => 20,
),
// Default list of files of the library to load. Important: Only specify third-party files belonging to the
// library here, not integration files of your plugin.
'files' => array(
// 'js' and 'css' file paths are relative to the library path.
'js' => array(
'exlib.js' => array(
'zone' => 3, // If not set, the default: 2. See: e107::js()
),
'gadgets/foo.js' => array(
'type' => 'footer', // If not set, the default: 'url'. See: e107::js()
'zone' => 5, // If not set, the default: 2. See: e107::js()
),
),
'css' => array(
'lib_style.css',
'skin/example.css',
),
// For PHP libraries, specify include files here, still relative to the library path.
'php' => array(
'exlib.php',
'exlib.inc',
),
),
// Optional: Specify alternative variants of the library, if available.
'variants' => array(
// All properties defined for 'minified' override top-level properties.
'minified' => array(
'files' => array(
'js' => array(
'exlib.min.js',
'gadgets/foo.min.js',
),
'css' => array(
'lib_style.css',
'skin/example.css',
),
),
// Your variant callback needs to be in your 'PLUGIN_library' class.
'variant callback' => 'example_custom_variant_callback',
'variant arguments' => array(
'variant' => 'minified',
),
),
),
// Optional, but usually required: Override top-level properties for later versions of the library. The
// properties of the minimum version that is matched override the top-level properties.
//
// Note:
// - When registering 'versions', it usually does not make sense to register 'files', 'variants', and
// 'integration files' on the top-level, as most of those likely need to be different per version and there
// are no defaults.
// - The array keys have to be strings, as PHP does not support floats for array keys.
'versions' => array(
'2' => array(
'files' => array(
'js' => array('exlib.js'),
'css' => array('exlib_style.css'),
),
),
'3.0' => array(
'files' => array(
'js' => array('exlib.js'),
'css' => array('lib_style.css'),
),
),
'3.2' => array(
'files' => array(
'js' => array(
'exlib.js',
'gadgets/foo.js',
),
'css' => array(
'lib_style.css',
'skin/example.css',
),
),
),
),
// Optional: Register files to auto-load for your plugin. All files must be keyed by plugin, and follow the
// syntax of the 'files' property.
'integration files' => array(
'MYPLUGIN' => array(
'js' => array('ex_lib.inc'),
),
),
);
// A very simple library. No changing APIs (hence, no versions), no variants. Expected to be extracted into
// 'e107_web/lib/simple'.
$libraries['simple'] = array(
'name' => 'Simple library',
'vendor url' => 'http://example.com/simple',
'download url' => 'http://example.com/simple',
'version arguments' => array(
'file' => 'readme.txt',
// Best practice: Document the actual version strings for later reference.
// 1.x: Version 1.0
'pattern' => '/Version (\d+)/',
'lines' => 5,
),
'files' => array(
'js' => array(
'simple.js',
),
'css' => array(
'simple.css',
),
),
);
// A library that (naturally) evolves over time with API changes.
$libraries['tinymce'] = array(
'name' => 'TinyMCE',
'vendor url' => 'http://tinymce.moxiecode.com',
'download url' => 'http://tinymce.moxiecode.com/download.php',
'path' => 'jscripts/tiny_mce',
// The regular expression catches two parts (the major and the minor version), which libraryGetVersion()
// doesn't allow.
'version callback' => 'tinymce_get_version',
'version arguments' => array(
// It can be easier to parse the first characters of a minified file instead of doing a multi-line
// pattern matching in a source file. See 'lines' and 'cols' below.
'file' => 'jscripts/tiny_mce/tiny_mce.js',
// Best practice: Document the actual version strings for later reference.
// 2.x: this.majorVersion="2";this.minorVersion="1.3"
// 3.x: majorVersion:'3',minorVersion:'2.0.1'
'pattern' => '@majorVersion[=:]["\'](\d).+?minorVersion[=:]["\']([\d\.]+)@',
'lines' => 1,
'cols' => 100,
),
'versions' => array(
'2.1' => array(
'files' => array(
'js' => array('tiny_mce.js'),
),
'variants' => array(
'source' => array(
'files' => array(
'js' => array('tiny_mce_src.js'),
),
),
),
'integration files' => array(
'wysiwyg' => array(
'js' => array('editors/js/tinymce-2.js'),
'css' => array('editors/js/tinymce-2.css'),
),
),
),
// Definition used if 3.1 or above is detected.
'3.1' => array(
'files' => array(
'js' => array(
'tiny_mce.js',
),
),
'variants' => array(
// New variant leveraging jQuery. Not stable yet; therefore not the default variant.
'jquery' => array(
'files' => array(
'js' => array(
'tiny_mce_jquery.js',
),
),
),
'source' => array(
'files' => array(
'js' => array(
'tiny_mce_src.js',
),
),
),
),
'integration files' => array(
'wysiwyg' => array(
'js' => array('editors/js/tinymce-3.js'),
'css' => array('editors/js/tinymce-3.css'),
),
),
),
),
);
// Example for Facebook PHP SDK v4.
$libraries['facebook-php-sdk-v4'] = array(
'name' => 'Facebook PHP SDK v4',
'vendor url' => 'https://github.com/facebook/facebook-php-sdk-v4',
'download url' => 'https://github.com/facebook/facebook-php-sdk-v4/archive/4.0.23.tar.gz',
'version arguments' => array(
'file' => 'src/Facebook/FacebookRequest.php',
// const VERSION = '4.0.23';
'pattern' => '/const\s+VERSION\s+=\s+\'(4\.\d\.\d+)\'/',
'lines' => 75,
),
'files' => array(
'php' => array(
'autoload.php',
),
),
);
// Example for Facebook PHP SDK v5.
$libraries['facebook-php-sdk-v5'] = array(
'name' => 'Facebook PHP SDK v5',
'vendor url' => 'https://github.com/facebook/facebook-php-sdk-v4',
'download url' => 'https://github.com/facebook/facebook-php-sdk-v4/archive/5.1.2.tar.gz',
'version arguments' => array(
'file' => 'src/Facebook/Facebook.php',
// const VERSION = '5.1.2';
'pattern' => '/const\s+VERSION\s+=\s+\'(5\.\d\.\d+)\'/',
'lines' => 100,
),
'files' => array(
'php' => array(
'src/Facebook/autoload.php',
),
),
);
return $libraries;
}
/**
* Alter the library information before detection and caching takes place.
*
* The library definitions are passed by reference. A common use-case is adding a plugin's integration files to the
* library array, so that the files are loaded whenever the library is. As noted above, it is important to declare
* integration files inside of an array, whose key is the plugin name.
*/
function config_alter(&$libraries)
{
$files = array(
'php' => array('example_plugin.php_spellchecker.inc'),
);
$libraries['php_spellchecker']['integration files']['example_plugin'] = $files;
}
}