Update inline documentation for l10n functions. props CharlesClarkson, DrewAPicture. fixes #16750.

Built from https://develop.svn.wordpress.org/trunk@25458


git-svn-id: http://core.svn.wordpress.org/trunk@25379 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Sergey Biryukov 2013-09-16 20:17:09 +00:00
parent 239aa081c5
commit 354884205b
1 changed files with 173 additions and 137 deletions

View File

@ -7,7 +7,7 @@
*/
/**
* Gets the current locale.
* Get the current locale.
*
* If the locale is set, then it will filter the locale in the 'locale' filter
* hook and return the value.
@ -20,8 +20,6 @@
* always be filtered using the 'locale' hook.
*
* @since 1.5.0
* @uses apply_filters() Calls 'locale' hook on locale value.
* @uses $locale Gets the locale stored in the global.
*
* @return string The locale of the blog or from the 'locale' hook.
*/
@ -52,16 +50,16 @@ function get_locale() {
}
/**
* Retrieves the translation of $text. If there is no translation, or
* the domain isn't loaded, the original text is returned.
* Retrieve the translation of $text.
*
* If there is no translation, or the domain isn't loaded, the original text is returned.
*
* <strong>Note:</strong> Don't use translate() directly, use __() or related functions.
*
* @see __() Don't use translate() directly, use __()
* @since 2.2.0
* @uses apply_filters() Calls 'gettext' on domain translated text
* with the untranslated text as second parameter.
*
* @param string $text Text to translate.
* @param string $domain Domain to retrieve the translated text.
* @param string $text Text to translate.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated text
*/
function translate( $text, $domain = 'default' ) {
@ -69,6 +67,17 @@ function translate( $text, $domain = 'default' ) {
return apply_filters( 'gettext', $translations->translate( $text ), $text, $domain );
}
/**
* Remove last item on a pipe-delimited string.
*
* Meant for removing the last item in a string, such as 'Role name|User role'. The original
* string will be returned if no pipe '|' characters are found in the string.
*
* @since 2.8.0
*
* @param string $string A pipe-delimited string.
* @return string Either $string or everything before the last pipe.
*/
function before_last_bar( $string ) {
$last_bar = strrpos( $string, '|' );
if ( false == $last_bar )
@ -77,52 +86,62 @@ function before_last_bar( $string ) {
return substr( $string, 0, $last_bar );
}
/**
* Retrieve the translation of $text in the context defined in $context.
*
* If there is no translation, or the domain isn't loaded the original
* text is returned.
*
* @since 2.8.0
*
* @param string $text Text to translate.
* @param string $context Context information for the translators.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated text on success, original text on failure.
*/
function translate_with_gettext_context( $text, $context, $domain = 'default' ) {
$translations = get_translations_for_domain( $domain );
return apply_filters( 'gettext_with_context', $translations->translate( $text, $context ), $text, $context, $domain );
}
/**
* Retrieves the translation of $text. If there is no translation, or
* the domain isn't loaded, the original text is returned.
* Retrieve the translation of $text. If there is no translation,
* or the domain isn't loaded, the original text is returned.
*
* @see translate() An alias of translate()
* @since 2.1.0
*
* @param string $text Text to translate
* @param string $domain Optional. Domain to retrieve the translated text
* @return string Translated text
* @param string $text Text to translate.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated text.
*/
function __( $text, $domain = 'default' ) {
return translate( $text, $domain );
}
/**
* Retrieves the translation of $text and escapes it for safe use in an attribute.
* Retrieve the translation of $text and escapes it for safe use in an attribute.
*
* If there is no translation, or the domain isn't loaded, the original text is returned.
*
* @see translate() An alias of translate()
* @see esc_attr()
* @since 2.8.0
*
* @param string $text Text to translate
* @param string $domain Optional. Domain to retrieve the translated text
* @return string Translated text
* @param string $text Text to translate.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated text on success, original text on failure.
*/
function esc_attr__( $text, $domain = 'default' ) {
return esc_attr( translate( $text, $domain ) );
}
/**
* Retrieves the translation of $text and escapes it for safe use in HTML output.
* Retrieve the translation of $text and escapes it for safe use in HTML output.
*
* If there is no translation, or the domain isn't loaded, the original text is returned.
*
* @see translate() An alias of translate()
* @see esc_html()
* @since 2.8.0
*
* @param string $text Text to translate
* @param string $domain Optional. Domain to retrieve the translated text
* @param string $text Text to translate.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated text
*/
function esc_html__( $text, $domain = 'default' ) {
@ -130,90 +149,83 @@ function esc_html__( $text, $domain = 'default' ) {
}
/**
* Displays the returned translated text from translate().
* Display translated text.
*
* @see translate() Echoes returned translate() string
* @since 1.2.0
*
* @param string $text Text to translate
* @param string $domain Optional. Domain to retrieve the translated text
* @param string $text Text to translate.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
*/
function _e( $text, $domain = 'default' ) {
echo translate( $text, $domain );
}
/**
* Displays translated text that has been escaped for safe use in an attribute.
* Display translated text that has been escaped for safe use in an attribute.
*
* @see translate() Echoes returned translate() string
* @see esc_attr()
* @since 2.8.0
*
* @param string $text Text to translate
* @param string $domain Optional. Domain to retrieve the translated text
* @param string $text Text to translate.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
*/
function esc_attr_e( $text, $domain = 'default' ) {
echo esc_attr( translate( $text, $domain ) );
}
/**
* Displays translated text that has been escaped for safe use in HTML output.
* Display translated text that has been escaped for safe use in HTML output.
*
* @see translate() Echoes returned translate() string
* @see esc_html()
* @since 2.8.0
*
* @param string $text Text to translate
* @param string $domain Optional. Domain to retrieve the translated text
* @param string $text Text to translate.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
*/
function esc_html_e( $text, $domain = 'default' ) {
echo esc_html( translate( $text, $domain ) );
}
/**
* Retrieve translated string with gettext context
* Retrieve translated string with gettext context.
*
* Quite a few times, there will be collisions with similar translatable text
* found in more than two places but with different translated context.
* found in more than two places, but with different translated context.
*
* By including the context in the pot file translators can translate the two
* By including the context in the pot file, translators can translate the two
* strings differently.
*
* @since 2.8.0
*
* @param string $text Text to translate
* @param string $context Context information for the translators
* @param string $domain Optional. Domain to retrieve the translated text
* @return string Translated context string without pipe
* @param string $text Text to translate.
* @param string $context Context information for the translators.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated context string without pipe.
*/
function _x( $text, $context, $domain = 'default' ) {
return translate_with_gettext_context( $text, $context, $domain );
}
/**
* Displays translated string with gettext context
* Display translated string with gettext context.
*
* @see _x
* @since 3.0.0
*
* @param string $text Text to translate
* @param string $context Context information for the translators
* @param string $domain Optional. Domain to retrieve the translated text
* @return string Translated context string without pipe
* @param string $text Text to translate.
* @param string $context Context information for the translators.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated context string without pipe.
*/
function _ex( $text, $context, $domain = 'default' ) {
echo _x( $text, $context, $domain );
}
/**
* Displays translated string with gettext context and escapes it for safe use in an attribute.
* Display translated string with gettext context, and escapes it for safe use in an attribute.
*
* @see esc_attr()
* @since 2.8.0
*
* @param string $text Text to translate
* @param string $context Context information for the translators
* @param string $domain Optional. Domain to retrieve the translated text
* @param string $text Text to translate.
* @param string $context Context information for the translators.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated text
*/
function esc_attr_x( $text, $context, $domain = 'default' ) {
@ -221,22 +233,21 @@ function esc_attr_x( $text, $context, $domain = 'default' ) {
}
/**
* Displays translated string with gettext context and escapes it for safe use in HTML output.
* Display translated string with gettext context, and escapes it for safe use in HTML output.
*
* @see esc_html()
* @since 2.9.0
*
* @param string $text Text to translate
* @param string $context Context information for the translators
* @param string $domain Optional. Domain to retrieve the translated text
* @return string Translated text
* @param string $text Text to translate.
* @param string $context Context information for the translators.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Translated text.
*/
function esc_html_x( $text, $context, $domain = 'default' ) {
return esc_html( translate_with_gettext_context( $text, $context, $domain ) );
}
/**
* Retrieve the plural or single form based on the amount.
* Retrieve the plural or single form based on the supplied amount.
*
* If the domain is not set in the $l10n list, then a comparison will be made
* and either $plural or $single parameters returned.
@ -247,15 +258,12 @@ function esc_html_x( $text, $context, $domain = 'default' ) {
* type will be a string.
*
* @since 2.8.0
* @uses $l10n Gets list of domain translated string (gettext_reader) objects
* @uses apply_filters() Calls 'ngettext' hook on domains text returned,
* along with $single, $plural, and $number parameters. Expected to return string.
*
* @param string $single The text that will be used if $number is 1
* @param string $plural The text that will be used if $number is not 1
* @param int $number The number to compare against to use either $single or $plural
* @param string $domain Optional. The domain identifier the text should be retrieved in
* @return string Either $single or $plural translated text
* @param string $single The text that will be used if $number is 1.
* @param string $plural The text that will be used if $number is not 1.
* @param int $number The number to compare against to use either $single or $plural.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Either $single or $plural translated text.
*/
function _n( $single, $plural, $number, $domain = 'default' ) {
$translations = get_translations_for_domain( $domain );
@ -264,11 +272,18 @@ function _n( $single, $plural, $number, $domain = 'default' ) {
}
/**
* A hybrid of _n() and _x(). It supports contexts and plurals.
* Retrieve the plural or single form based on the supplied amount with gettext context.
*
* @see _n()
* @see _x()
* This is a hybrid of _n() and _x(). It supports contexts and plurals.
*
* @since 2.8.0
*
* @param string $single The text that will be used if $number is 1.
* @param string $plural The text that will be used if $number is not 1.
* @param int $number The number to compare against to use either $single or $plural.
* @param string $context Context information for the translators.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return string Either $single or $plural translated text with context.
*/
function _nx($single, $plural, $number, $context, $domain = 'default') {
$translations = get_translations_for_domain( $domain );
@ -279,22 +294,25 @@ function _nx($single, $plural, $number, $context, $domain = 'default') {
/**
* Register plural strings in POT file, but don't translate them.
*
* Used when you want to keep structures with translatable plural strings and
* use them later.
* Used when you want to keep structures with translatable plural
* strings and use them later.
*
* Example:
* $messages = array(
* <code>
* $messages = array(
* 'post' => _n_noop('%s post', '%s posts'),
* 'page' => _n_noop('%s pages', '%s pages')
* );
* ...
* $message = $messages[$type];
* $usable_text = sprintf( translate_nooped_plural( $message, $count ), $count );
* );
* ...
* $message = $messages[$type];
* $usable_text = sprintf( translate_nooped_plural( $message, $count ), $count );
* </code>
*
* @since 2.5
* @param string $singular Single form to be i18ned
* @param string $plural Plural form to be i18ned
* @param string $domain Optional. The domain identifier the text will be retrieved in
* @since 2.5.0
*
* @param string $singular Single form to be i18ned.
* @param string $plural Plural form to be i18ned.
* @param string $domain Optional. Unique identifier for retrieving translated strings.
* @return array array($singular, $plural)
*/
function _n_noop( $singular, $plural, $domain = null ) {
@ -304,20 +322,22 @@ function _n_noop( $singular, $plural, $domain = null ) {
/**
* Register plural strings with context in POT file, but don't translate them.
*
* @see _n_noop()
* @since 2.8.0
*/
function _nx_noop( $singular, $plural, $context, $domain = null ) {
return array( 0 => $singular, 1 => $plural, 2 => $context, 'singular' => $singular, 'plural' => $plural, 'context' => $context, 'domain' => $domain );
}
/**
* Translate the result of _n_noop() or _nx_noop()
* Translate the result of _n_noop() or _nx_noop().
*
* @since 3.1
* @param array $nooped_plural Array with singular, plural and context keys, usually the result of _n_noop() or _nx_noop()
* @param int $count Number of objects
* @param string $domain Optional. The domain identifier the text should be retrieved in. If $nooped_plural contains
* a domain passed to _n_noop() or _nx_noop(), it will override this value.
* @since 3.1.0
*
* @param array $nooped_plural Array with singular, plural and context keys, usually the result of _n_noop() or _nx_noop()
* @param int $count Number of objects
* @param string $domain Optional. Unique identifier for retrieving translated strings. If $nooped_plural contains
* a domain passed to _n_noop() or _nx_noop(), it will override this value.
* @return string Either $single or $plural translated text.
*/
function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' ) {
if ( $nooped_plural['domain'] )
@ -330,7 +350,7 @@ function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' )
}
/**
* Loads a MO file into the domain $domain.
* Load a .mo file into the domain $domain.
*
* If the domain already exists, the translations will be merged. If both
* sets have the same string, the translation from the original value will be taken.
@ -339,11 +359,10 @@ function translate_nooped_plural( $nooped_plural, $count, $domain = 'default' )
* and will be a MO object.
*
* @since 1.5.0
* @uses $l10n Gets list of domain translated string objects
*
* @param string $domain Unique identifier for retrieving translated strings
* @param string $mofile Path to the .mo file
* @return bool True on success, false on failure
* @param string $domain Unique identifier for retrieving translated strings.
* @param string $mofile Path to the .mo file.
* @return bool True on success, false on failure.
*/
function load_textdomain( $domain, $mofile ) {
global $l10n;
@ -372,11 +391,12 @@ function load_textdomain( $domain, $mofile ) {
}
/**
* Unloads translations for a domain
* Unload translations for a domain.
*
* @since 3.0.0
* @param string $domain Textdomain to be unloaded
* @return bool Whether textdomain was unloaded
*
* @param string $domain Unique identifier for retrieving translated strings.
* @return bool Whether textdomain was unloaded.
*/
function unload_textdomain( $domain ) {
global $l10n;
@ -397,10 +417,12 @@ function unload_textdomain( $domain ) {
}
/**
* Loads default translated strings based on locale.
* Load default translated strings based on locale.
*
* Loads the .mo file in WP_LANG_DIR constant path from WordPress root. The
* translated (.mo) file is named based on the locale.
* Loads the .mo file in WP_LANG_DIR constant path from WordPress root.
* The translated (.mo) file is named based on the locale.
*
* @see load_textdomain()
*
* @since 1.5.0
*/
@ -423,26 +445,26 @@ function load_default_textdomain() {
}
/**
* Loads the plugin's translated strings.
* Load a plugin's translated strings.
*
* If the path is not given then it will be the root of the plugin directory.
*
* The .mo file should be named based on the domain with a dash, and then the locale exactly.
*
* @since 1.5.0
*
* @param string $domain Unique identifier for retrieving translated strings
* @param string $abs_rel_path Optional. Relative path to ABSPATH of a folder,
* where the .mo file resides. Deprecated, but still functional until 2.7
* @param string $plugin_rel_path Optional. Relative path to WP_PLUGIN_DIR. This is the preferred argument to use. It takes precedence over $abs_rel_path
* @param string $domain Unique identifier for retrieving translated strings
* @param string $deprecated Use the $plugin_rel_path parameter instead.
* @param string $plugin_rel_path Optional. Relative path to WP_PLUGIN_DIR where the .mo file resides.
*/
function load_plugin_textdomain( $domain, $abs_rel_path = false, $plugin_rel_path = false ) {
function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path = false ) {
$locale = apply_filters( 'plugin_locale', get_locale(), $domain );
if ( false !== $plugin_rel_path ) {
$path = WP_PLUGIN_DIR . '/' . trim( $plugin_rel_path, '/' );
} else if ( false !== $abs_rel_path ) {
} else if ( false !== $deprecated ) {
_deprecated_argument( __FUNCTION__, '2.7' );
$path = ABSPATH . trim( $abs_rel_path, '/' );
$path = ABSPATH . trim( $deprecated, '/' );
} else {
$path = WP_PLUGIN_DIR;
}
@ -458,13 +480,14 @@ function load_plugin_textdomain( $domain, $abs_rel_path = false, $plugin_rel_pat
}
/**
* Load the translated strings for a plugin residing in the mu-plugins dir.
* Load the translated strings for a plugin residing in the mu-plugins directory.
*
* @since 3.0.0
*
* @param string $domain Unique identifier for retrieving translated strings
* @param string $mu_plugin_rel_path Relative to WPMU_PLUGIN_DIR directory in which
* the MO file resides. Defaults to empty string.
* @param string $domain Unique identifier for retrieving translated strings.
* @param string $mu_plugin_rel_path Relative to WPMU_PLUGIN_DIR directory in which the .mo file resides.
* Default empty string.
* @return bool True when textdomain is successfully loaded, false otherwise.
*/
function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
$locale = apply_filters( 'plugin_locale', get_locale(), $domain );
@ -481,7 +504,7 @@ function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
}
/**
* Loads the theme's translated strings.
* Load the theme's translated strings.
*
* If the current locale exists as a .mo file in the theme's root directory, it
* will be included in the translated strings by the $domain.
@ -490,7 +513,8 @@ function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
*
* @since 1.5.0
*
* @param string $domain Unique identifier for retrieving translated strings
* @param string $domain Unique identifier for retrieving translated strings.
* @return bool True when textdomain is successfully loaded, false otherwise.
*/
function load_theme_textdomain( $domain, $path = false ) {
$locale = apply_filters( 'theme_locale', get_locale(), $domain );
@ -509,16 +533,17 @@ function load_theme_textdomain( $domain, $path = false ) {
}
/**
* Loads the child themes translated strings.
* Load the child themes translated strings.
*
* If the current locale exists as a .mo file in the child themes root directory, it
* will be included in the translated strings by the $domain.
* If the current locale exists as a .mo file in the child themes
* root directory, it will be included in the translated strings by the $domain.
*
* The .mo files must be named based on the locale exactly.
*
* @since 2.9.0
*
* @param string $domain Unique identifier for retrieving translated strings
* @param string $domain Unique identifier for retrieving translated strings.
* @return bool True when the theme textdomain is successfully loaded, false otherwise.
*/
function load_child_theme_textdomain( $domain, $path = false ) {
if ( ! $path )
@ -527,11 +552,12 @@ function load_child_theme_textdomain( $domain, $path = false ) {
}
/**
* Returns the Translations instance for a domain. If there isn't one,
* returns empty Translations instance.
* Return the Translations instance for a domain.
*
* @param string $domain
* @return object A Translation instance
* If there isn't one, returns empty Translations instance.
*
* @param string $domain Unique identifier for retrieving translated strings.
* @return Translations A Translations instance.
*/
function get_translations_for_domain( $domain ) {
global $l10n;
@ -545,8 +571,8 @@ function get_translations_for_domain( $domain ) {
* Whether there are translations for the domain
*
* @since 3.0.0
* @param string $domain
* @return bool Whether there are translations
* @param string $domain Unique identifier for retrieving translated strings.
* @return bool Whether there are translations.
*/
function is_textdomain_loaded( $domain ) {
global $l10n;
@ -554,26 +580,36 @@ function is_textdomain_loaded( $domain ) {
}
/**
* Translates role name. Since the role names are in the database and
* not in the source there are dummy gettext calls to get them into the POT
* file and this function properly translates them back.
* Translates role name.
*
* Since the role names are in the database and not in the source there
* are dummy gettext calls to get them into the POT file and this function
* properly translates them back.
*
* The before_last_bar() call is needed, because older installs keep the roles
* using the old context format: 'Role name|User role' and just skipping the
* content after the last bar is easier than fixing them in the DB. New installs
* won't suffer from that problem.
*
* @since 2.8.0
*
* @param string $name The role name.
* @return string Translated role name on success, original name on failure.
*/
function translate_user_role( $name ) {
return translate_with_gettext_context( before_last_bar($name), 'User role' );
}
/**
* Get all available languages based on the presence of *.mo files in a given directory. The default directory is WP_LANG_DIR.
* Get all available languages based on the presence of *.mo files in a given directory.
*
* The default directory is WP_LANG_DIR.
*
* @since 3.0.0
*
* @param string $dir A directory in which to search for language files. The default directory is WP_LANG_DIR.
* @return array Array of language codes or an empty array if no languages are present. Language codes are formed by stripping the .mo extension from the language file names.
* @param string $dir A directory to search for language files.
* Default WP_LANG_DIR.
* @return array An array of language codes or an empty array if no languages are present. Language codes are formed by stripping the .mo extension from the language file names.
*/
function get_available_languages( $dir = null ) {
$languages = array();
@ -586,4 +622,4 @@ function get_available_languages( $dir = null ) {
}
return $languages;
}
}