diff options
Diffstat (limited to 'lib/smarty3/sysplugins/smarty_internal_runtime_capture.php')
-rw-r--r-- | lib/smarty3/sysplugins/smarty_internal_runtime_capture.php | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/lib/smarty3/sysplugins/smarty_internal_runtime_capture.php b/lib/smarty3/sysplugins/smarty_internal_runtime_capture.php new file mode 100644 index 0000000..69f1ce0 --- /dev/null +++ b/lib/smarty3/sysplugins/smarty_internal_runtime_capture.php @@ -0,0 +1,161 @@ +<?php + +/** + * Runtime Extension Capture + * + * @package Smarty + * @subpackage PluginsInternal + * @author Uwe Tews + */ +class Smarty_Internal_Runtime_Capture +{ + /** + * Flag that this instance will not be cached + * + * @var bool + */ + public $isPrivateExtension = true; + + /** + * Stack of capture parameter + * + * @var array + */ + private $captureStack = array(); + + /** + * Current open capture sections + * + * @var int + */ + private $captureCount = 0; + + /** + * Count stack + * + * @var int[] + */ + private $countStack = array(); + + /** + * Named buffer + * + * @var string[] + */ + private $namedBuffer = array(); + + /** + * Flag if callbacks are registered + * + * @var bool + */ + private $isRegistered = false; + + /** + * Open capture section + * + * @param \Smarty_Internal_Template $_template + * @param string $buffer capture name + * @param string $assign variable name + * @param string $append variable name + */ + public function open(Smarty_Internal_Template $_template, $buffer, $assign, $append) + { + if (!$this->isRegistered) { + $this->register($_template); + } + $this->captureStack[] = array($buffer, $assign, $append); + $this->captureCount ++; + ob_start(); + } + + /** + * Register callbacks in template class + * + * @param \Smarty_Internal_Template $_template + */ + private function register(Smarty_Internal_Template $_template) + { + $_template->startRenderCallbacks[] = array($this, 'startRender'); + $_template->endRenderCallbacks[] = array($this, 'endRender'); + $this->startRender($_template); + $this->isRegistered = true; + } + + /** + * Start render callback + * + * @param \Smarty_Internal_Template $_template + */ + public function startRender(Smarty_Internal_Template $_template) + { + $this->countStack[] = $this->captureCount; + $this->captureCount = 0; + } + + /** + * Close capture section + * + * @param \Smarty_Internal_Template $_template + * + * @throws \SmartyException + */ + public function close(Smarty_Internal_Template $_template) + { + if ($this->captureCount) { + list($buffer, $assign, $append) = array_pop($this->captureStack); + $this->captureCount --; + if (isset($assign)) { + $_template->assign($assign, ob_get_contents()); + } + if (isset($append)) { + $_template->append($append, ob_get_contents()); + } + $this->namedBuffer[ $buffer ] = ob_get_clean(); + } else { + $this->error($_template); + } + } + + /** + * Error exception on not matching {capture}{/capture} + * + * @param \Smarty_Internal_Template $_template + * + * @throws \SmartyException + */ + public function error(Smarty_Internal_Template $_template) + { + throw new SmartyException("Not matching {capture}{/capture} in \"{$_template->template_resource}\""); + } + + /** + * Return content of named capture buffer + * + * @param \Smarty_Internal_Template $_template + * @param $name + * + * @return null + */ + public function getBuffer(Smarty_Internal_Template $_template, $name) + { + return isset($this->namedBuffer[ $name ]) ? $this->namedBuffer[ $name ] : null; + } + + /** + * End render callback + * + * @param \Smarty_Internal_Template $_template + * + * @throws \SmartyException + */ + public function endRender(Smarty_Internal_Template $_template) + { + if ($this->captureCount) { + $this->error($_template); + } else { + $this->captureCount = array_pop($this->countStack); + } + } + +}
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