mirror of
https://github.com/silverstripe/silverstripe-framework
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8dd644d25d
Namespace all templates Move difflib and BBCodeParser2 to thirdparty Remove deprecated API marked for removal in 4.0
53 lines
1.6 KiB
PHP
53 lines
1.6 KiB
PHP
<?php
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namespace SilverStripe\Assets\Storage;
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/**
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* Interface to define a handler for persistent generated files
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*/
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interface GeneratedAssetHandler {
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/**
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* Returns a URL to a generated asset, if one is available.
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*
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* Given a filename, determine if a file is available. If the file is unavailable,
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* and a callback is supplied, invoke it to regenerate the content.
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*
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* @param string $filename
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* @param callable $callback To generate content. If none provided, url will only be returned
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* if there is valid content.
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* @return string URL to generated file
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*/
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public function getContentURL($filename, $callback = null);
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/**
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* Returns the content for a generated asset, if one is available.
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*
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* Given a filename, determine if a file is available. If the file is unavailable,
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* and a callback is supplied, invoke it to regenerate the content.
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*
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* @param string $filename
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* @param callable $callback To generate content. If none provided, content will only be returned
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* if there is valid content.
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* @return string Content for this generated file
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*/
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public function getContent($filename, $callback = null);
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/**
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* Update content with new value
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*
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* @param string $filename
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* @param string $content Content to write to the backend
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*/
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public function setContent($filename, $content);
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/**
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* Remove any content under the given file.
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*
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* If $filename is a folder, it should delete all files underneath it also.
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*
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* @param string $filename
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*/
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public function removeContent($filename);
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}
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