<?php

/**

 * Smarty Internal Plugin Compile Function

 * Compiles the {function} {/function} tags

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile Function Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Function extends Smarty_Internal_CompileBase {

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $required_attributes = array('name');

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $shorttag_order = array('name');

    /**

     * Attribute definition: Overwrites base class.

     *

     * @var array

     * @see Smarty_Internal_CompileBase

     */

    public $optional_attributes = array('_any');

    /**

     * Compiles code for the {function} tag

     *

     * @param  array $args array with attributes from parser

     * @param  object $compiler compiler object

     * @param  array $parameter array with compilation parameter

     *

     * @return boolean true

     */

    public function compile($args, $compiler, $parameter) {

        // check and get attributes

        $_attr = $this->getAttributes($compiler, $args);

        if ($_attr['nocache'] === true) {

            $compiler->trigger_template_error('nocache option not allowed', $compiler->lex->taglineno);

        }

        unset($_attr['nocache']);

        $_name = trim($_attr['name'], "'\"");

        $compiler->parent_compiler->templateProperties['tpl_function'][$_name] = array();

        $save = array($_attr, $compiler->parser->current_buffer, $compiler->template->has_nocache_code, $compiler->template->required_plugins, $compiler->template->caching);

        $this->openTag($compiler, 'function', $save);

        // set flag that we are compiling a template function

        $compiler->compiles_template_function = true;

        // Init temporary context

        $compiler->template->required_plugins = array('compiled' => array(), 'nocache' => array());

        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template($compiler->parser);

        $compiler->template->has_nocache_code = false;

        $compiler->template->caching = true;

        return true;

    }

}

/**

 * Smarty Internal Plugin Compile Functionclose Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Functionclose extends Smarty_Internal_CompileBase {

    /**

     * Compiler object

     *

     * @var object

     */

    private $compiler = null;

    /**

     * Compiles code for the {/function} tag

     *

     * @param  array $args array with attributes from parser

     * @param object|\Smarty_Internal_TemplateCompilerBase $compiler compiler object

     * @param  array $parameter array with compilation parameter

     *

     * @return bool true

     */

    public function compile($args, Smarty_Internal_TemplateCompilerBase $compiler, $parameter) {

        $this->compiler = $compiler;

        $saved_data = $this->closeTag($compiler, array('function'));

        $_attr = $saved_data[0];

        $_name = trim($_attr['name'], "'\"");

        // reset flag that we are compiling a template function

        $compiler->compiles_template_function = false;

        $compiler->parent_compiler->templateProperties['tpl_function'][$_name]['called_functions'] = $compiler->called_functions;

        $compiler->parent_compiler->templateProperties['tpl_function'][$_name]['compiled_filepath'] = $compiler->parent_compiler->template->compiled->filepath;

        $compiler->parent_compiler->templateProperties['tpl_function'][$_name]['uid'] = $compiler->template->source->uid;

        $compiler->called_functions = array();

        $_parameter = $_attr;

        unset($_parameter['name']);

        // default parameter

        $_paramsArray = array();

        foreach ($_parameter as $_key => $_value) {

            if (is_int($_key)) {

                $_paramsArray[] = "$_key=>$_value";

            } else {

                $_paramsArray[] = "'$_key'=>$_value";

            }

        }

        if (!empty($_paramsArray)) {

            $_params = 'array(' . implode(",", $_paramsArray) . ')';

            $_paramsCode = "\$params = array_merge($_params, \$params);\n";

        } else {

            $_paramsCode = '';

        }

        $_functionCode = $compiler->parser->current_buffer;

        // setup buffer for template function code

        $compiler->parser->current_buffer = new Smarty_Internal_ParseTree_Template($compiler->parser);

        $_funcName = "smarty_template_function_{$_name}_{$compiler->template->properties['nocache_hash']}";

        $_funcNameCaching = $_funcName . '_nocache';

        if ($compiler->template->has_nocache_code) {

            $compiler->parent_compiler->templateProperties['tpl_function'][$_name]['call_name_caching'] = $_funcNameCaching;

            $output = "<?php\n";

            $output .= "/* {$_funcNameCaching} */\n";

            $output .= "if (!function_exists('{$_funcNameCaching}')) {\n";

            $output .= "function {$_funcNameCaching} (\$_smarty_tpl,\$params) {\n";

            // build plugin include code

            if (!empty($compiler->template->required_plugins['compiled'])) {

                foreach ($compiler->template->required_plugins['compiled'] as $tmp) {

                    foreach ($tmp as $data) {

                        $output .= "if (!is_callable('{$data['function']}')) require_once '{$data['file']}';\n";

                    }

                }

            }

            if (!empty($compiler->template->required_plugins['nocache'])) {

                $output .= "echo '/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";

                foreach ($compiler->template->required_plugins['nocache'] as $tmp) {

                    foreach ($tmp as $data) {

                        $output .= "if (!is_callable(\'{$data['function']}\')) require_once \'{$data['file']}\';\n";

                    }

                }

                $output .= "?>/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/';\n";

            }

            $output .= "ob_start();\n";

            $output .= $_paramsCode;

            $output .= "\$_smarty_tpl->properties['saved_tpl_vars'][] = \$_smarty_tpl->tpl_vars;\n";

            $output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value);\n}";

            $output .= "\$params = var_export(\$params, true);\n";

            $output .= "echo \"/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";

            $output .= "\\\$saved_tpl_vars = \\\$_smarty_tpl->tpl_vars;\nforeach (\$params as \\\$key => \\\$value) {\n\\\$_smarty_tpl->tpl_vars[\\\$key] = new Smarty_Variable(\\\$value);\n}\n?>";

            $output .= "/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/\n\";?>";

            $compiler->parser->current_buffer->append_subtree(new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));

            $compiler->parser->current_buffer->append_subtree($_functionCode);

            $output = "<?php echo \"/*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/<?php ";

            $output .= "foreach (Smarty::\\\$global_tpl_vars as \\\$key => \\\$value){\n";

            $output .= "if (\\\$_smarty_tpl->tpl_vars[\\\$key] === \\\$value) \\\$saved_tpl_vars[\\\$key] = \\\$value;\n}\n";

            $output .= "\\\$_smarty_tpl->tpl_vars = \\\$saved_tpl_vars;?>\n";

            $output .= "/*/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%*/\";\n?>";

            $output .= "<?php echo str_replace('{$compiler->template->properties['nocache_hash']}', \$_smarty_tpl->properties['nocache_hash'], ob_get_clean());\n";

            $output .= "\$_smarty_tpl->tpl_vars = array_pop(\$_smarty_tpl->properties['saved_tpl_vars']);\n}\n}\n";

            $output .= "/*/ {$_funcName}_nocache */\n\n";

            $output .= "?>\n";

            $compiler->parser->current_buffer->append_subtree(new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));

            $_functionCode = new Smarty_Internal_ParseTree_Tag($compiler->parser, preg_replace_callback("/((<\?php )?echo '\/\*%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%\*\/([\S\s]*?)\/\*\/%%SmartyNocache:{$compiler->template->properties['nocache_hash']}%%\*\/';(\?>\n)?)/", array($this, 'removeNocache'), $_functionCode->to_smarty_php()));

        }

        $compiler->parent_compiler->templateProperties['tpl_function'][$_name]['call_name'] = $_funcName;

        $output = "<?php\n";

        $output .= "/* {$_funcName} */\n";

        $output .= "if (!function_exists('{$_funcName}')) {\n";

        $output .= "function {$_funcName}(\$_smarty_tpl,\$params) {\n";

        // build plugin include code

        if (!empty($compiler->template->required_plugins['nocache'])) {

            $compiler->template->required_plugins['compiled'] = array_merge($compiler->template->required_plugins['compiled'], $compiler->template->required_plugins['nocache']);

        }

        if (!empty($compiler->template->required_plugins['compiled'])) {

            foreach ($compiler->template->required_plugins['compiled'] as $tmp) {

                foreach ($tmp as $data) {

                    $output .= "if (!is_callable('{$data['function']}')) require_once '{$data['file']}';\n";

                }

            }

        }

        $output .= "\$saved_tpl_vars = \$_smarty_tpl->tpl_vars;\n";

        $output .= $_paramsCode;

        $output .= "foreach (\$params as \$key => \$value) {\n\$_smarty_tpl->tpl_vars[\$key] = new Smarty_Variable(\$value);\n}?>";

        $compiler->parser->current_buffer->append_subtree(new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));

        $compiler->parser->current_buffer->append_subtree($_functionCode);

        $output = "<?php foreach (Smarty::\$global_tpl_vars as \$key => \$value){\n";

        $output .= "if (\$_smarty_tpl->tpl_vars[\$key] === \$value) \$saved_tpl_vars[\$key] = \$value;\n}\n";

        $output .= "\$_smarty_tpl->tpl_vars = \$saved_tpl_vars;\n}\n}\n";

        $output .= "/*/ {$_funcName} */\n\n";

        $output .= "?>\n";

        $compiler->parser->current_buffer->append_subtree(new Smarty_Internal_ParseTree_Tag($compiler->parser, $output));

        $compiler->parent_compiler->templateFunctionCode .= $compiler->parser->current_buffer->to_smarty_php();

        // restore old buffer

        $compiler->parser->current_buffer = $saved_data[1];

        // restore old status

        $compiler->template->has_nocache_code = $saved_data[2];

        $compiler->template->required_plugins = $saved_data[3];

        $compiler->template->caching = $saved_data[4];

        return true;

    }

    /**

     * @param $match

     *

     * @return mixed

     */

    function removeNocache($match) {

        $code = preg_replace("/((<\?php )?echo '\/\*%%SmartyNocache:{$this->compiler->template->properties['nocache_hash']}%%\*\/)|(\/\*\/%%SmartyNocache:{$this->compiler->template->properties['nocache_hash']}%%\*\/';(\?>\n)?)/", '', $match[0]);

        $code = str_replace(array('\\\'', '\\\\\''), array('\'', '\\\''), $code);

        return $code;

    }

}