<?php

/**

 * Smarty Internal Plugin Compile If

 * Compiles the {if} {else} {elseif} {/if} tags

 *

 * @package    Smarty

 * @subpackage Compiler

 * @author     Uwe Tews

 */

/**

 * Smarty Internal Plugin Compile If Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_If extends Smarty_Internal_CompileBase {

    /**

     * Compiles code for the {if} tag

     *

     * @param array $args array with attributes from parser

     * @param object $compiler compiler object

     * @param array $parameter array with compilation parameter

     *

     * @return string compiled code

     */

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

        // check and get attributes

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

        $this->openTag($compiler, 'if', array(1, $compiler->nocache));

        // must whole block be nocache ?

        $compiler->nocache = $compiler->nocache | $compiler->tag_nocache;

        if (!array_key_exists("if condition", $parameter)) {

            $compiler->trigger_template_error("missing if condition", $compiler->lex->taglineno);

        }

        if (is_array($parameter['if condition'])) {

            if ($compiler->nocache) {

                $_nocache = ',true';

                // create nocache var to make it know for further compiling

                if (is_array($parameter['if condition']['var'])) {

                    $var = trim($parameter['if condition']['var']['var'], "'");

                } else {

                    $var = trim($parameter['if condition']['var'], "'");

                }

                if (isset($compiler->template->tpl_vars[$var])) {

                    $compiler->template->tpl_vars[$var]->nocache = true;

                } else {

                    $compiler->template->tpl_vars[$var] = new Smarty_Variable(null, true);

                }

            } else {

                $_nocache = '';

            }

            if (is_array($parameter['if condition']['var'])) {

                $_output = "<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]) || !is_array(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value)) \$_smarty_tpl->createLocalArrayVariable(" . $parameter['if condition']['var']['var'] . "$_nocache);\n";

                $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";

            } else {

                $_output = "<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "])) \$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "] = new Smarty_Variable(null{$_nocache});";

                $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";

            }

            return $_output;

        } else {

            return "<?php if ({$parameter['if condition']}) {?>";

        }

    }

}

/**

 * Smarty Internal Plugin Compile Else Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Else extends Smarty_Internal_CompileBase {

    /**

     * Compiles code for the {else} tag

     *

     * @param array $args array with attributes from parser

     * @param object $compiler compiler object

     * @param array $parameter array with compilation parameter

     *

     * @return string compiled code

     */

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

        list($nesting, $compiler->tag_nocache) = $this->closeTag($compiler, array('if', 'elseif'));

        $this->openTag($compiler, 'else', array($nesting, $compiler->tag_nocache));

        return "<?php } else { ?>";

    }

}

/**

 * Smarty Internal Plugin Compile ElseIf Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Elseif extends Smarty_Internal_CompileBase {

    /**

     * Compiles code for the {elseif} tag

     *

     * @param array $args array with attributes from parser

     * @param object $compiler compiler object

     * @param array $parameter array with compilation parameter

     *

     * @return string compiled code

     */

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

        // check and get attributes

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

        list($nesting, $compiler->tag_nocache) = $this->closeTag($compiler, array('if', 'elseif'));

        if (!array_key_exists("if condition", $parameter)) {

            $compiler->trigger_template_error("missing elseif condition", $compiler->lex->taglineno);

        }

        if (is_array($parameter['if condition'])) {

            $condition_by_assign = true;

            if ($compiler->nocache) {

                $_nocache = ',true';

                // create nocache var to make it know for further compiling

                if (is_array($parameter['if condition']['var'])) {

                    $var = trim($parameter['if condition']['var']['var'], "'");

                } else {

                    $var = trim($parameter['if condition']['var'], "'");

                }

                if (isset($compiler->template->tpl_vars[$var])) {

                    $compiler->template->tpl_vars[$var]->nocache = true;

                } else {

                    $compiler->template->tpl_vars[$var] = new Smarty_Variable(null, true);

                }

            } else {

                $_nocache = '';

            }

        } else {

            $condition_by_assign = false;

        }

        if (empty($compiler->prefix_code)) {

            if ($condition_by_assign) {

                $this->openTag($compiler, 'elseif', array($nesting + 1, $compiler->tag_nocache));

                if (is_array($parameter['if condition']['var'])) {

                    $_output = "<?php } else { if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]) || !is_array(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value)) \$_smarty_tpl->createLocalArrayVariable(" . $parameter['if condition']['var']['var'] . "$_nocache);\n";

                    $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";

                } else {

                    $_output = "<?php  } else { if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "])) \$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "] = new Smarty_Variable(null{$_nocache});";

                    $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";

                }

                return $_output;

            } else {

                $this->openTag($compiler, 'elseif', array($nesting, $compiler->tag_nocache));

                return "<?php } elseif ({$parameter['if condition']}) {?>";

            }

        } else {

            $tmp = '';

            foreach ($compiler->prefix_code as $code) {

                $tmp = $compiler->appendCode($tmp, $code);

            }

            $compiler->prefix_code = array();

            $tmp = $compiler->appendCode("<?php } else {?>", $tmp);

            $this->openTag($compiler, 'elseif', array($nesting + 1, $compiler->tag_nocache));

            if ($condition_by_assign) {

                if (is_array($parameter['if condition']['var'])) {

                    $_output = $compiler->appendCode($tmp, "<?php  if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]) || !is_array(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value)) \$_smarty_tpl->createLocalArrayVariable(" . $parameter['if condition']['var']['var'] . "$_nocache);\n");

                    $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var']['var'] . "]->value" . $parameter['if condition']['var']['smarty_internal_index'] . " = " . $parameter['if condition']['value'] . ") {?>";

                } else {

                    $_output = $compiler->appendCode($tmp, "<?php if (!isset(\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "])) \$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "] = new Smarty_Variable(null{$_nocache});");

                    $_output .= "if (\$_smarty_tpl->tpl_vars[" . $parameter['if condition']['var'] . "]->value = " . $parameter['if condition']['value'] . ") {?>";

                }

                return $_output;

            } else {

                return $compiler->appendCode($tmp, "<?php if ({$parameter['if condition']}) {?>");

            }

        }

    }

}

/**

 * Smarty Internal Plugin Compile Ifclose Class

 *

 * @package    Smarty

 * @subpackage Compiler

 */

class Smarty_Internal_Compile_Ifclose extends Smarty_Internal_CompileBase {

    /**

     * Compiles code for the {/if} tag

     *

     * @param array $args array with attributes from parser

     * @param object $compiler compiler object

     * @param array $parameter array with compilation parameter

     *

     * @return string compiled code

     */

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

        // must endblock be nocache?

        if ($compiler->nocache) {

            $compiler->tag_nocache = true;

        }

        list($nesting, $compiler->nocache) = $this->closeTag($compiler, array('if', 'else', 'elseif'));

        $tmp = '';

        for ($i = 0; $i < $nesting; $i++) {

            $tmp .= '}';

        }

        return "<?php {$tmp}?>";

    }

}