<?php

/**
 * Class Smarty_Compiler_Ifmodule.
 *
 * Examples:
 *    {ifmodule "review"}blablabla{/ifmodule}
 */
class Smarty_Compiler_Ifmodule extends Smarty_Internal_CompileBase
{
    public $optional_attributes = ['_any'];
    public $shorttag_order = ['module'];

    /**
     * @var Smarty_Internal_SmartyTemplateCompiler
     */
    private $compiler;

    /**
     * @param $compiler Smarty_Internal_SmartyTemplateCompiler
     *
     * @return string
     */
    public function compile($args, $compiler)
    {
        $_args = $this->getAttributes($compiler, $args);

        $this->openTag($compiler, 'ifmodule');

        $key = trim($_args['module'], "\"'");
        $parts = explode('__', $key);
        $module = $parts[0];
        $submodule = getVal(1, $parts);

        if (\Modules::check($module, $submodule)) {
            return '';
        }

        eat_code($compiler, $this);

        return '';
    }
}

class Smarty_Compiler_Elsemodule extends Smarty_Internal_CompileBase
{
    public $required_attributes = [];
    public $optional_attributes = [];
    public $shorttag_order = [];

    public function compile($args, $compiler)
    {
        return '<?php /*';
    }
}

class Smarty_Compiler_Ifmoduleclose extends Smarty_Internal_CompileBase
{
    public $required_attributes = [];
    public $optional_attributes = [];
    public $shorttag_order = [];

    public function compile($args, $compiler)
    {
        $this->closeTag($compiler, ['ifmodule']);

        return '<?php /**/ ?>';
    }
}

function eat_code($compiler, $tag)
{
    /** @var Smarty_Internal_Templatelexer $lexer */
    $lexer = $compiler->parser->lex;
    $counter = 1;

    while (true) {
        $last = $lexer->value;
        if ($lexer->yylex() === false) {
            return '';
        }

        $ifModule = strcasecmp($lexer->value, 'ifmodule') === 0;

        if (mb_strtolower($lexer->value) == '{/ifmodule}') {
            $counter--;
        }

        if ($ifModule) {
            $counter++;
        }

        $elseModule = strcasecmp(mb_strtolower($lexer->value), '{elsemodule}') === 0;
        if ($elseModule && $counter == 1) {
            break;
        }

        if (mb_strtolower($lexer->value) == '{/ifmodule}' && $counter == 0) {
            $tag->closeTag($compiler, ['ifmodule']);
            break;
        }
    }
}