smarty_compiler.class.php

足彩投注系统.自己注意看

                $assign = $attrs['assign'];
            else
                $assign = null;
            $output = "<?php ob_start(); ?>";
            $this->_capture_stack[] = array($buffer, $assign);
        } else {
            list($buffer, $assign) = array_pop($this->_capture_stack);
            $output = "<?php \$this->_smarty_vars['capture'][$buffer] = ob_get_contents(); ";
            if (isset($assign)) {
                $output .= " \$this->assign($assign, ob_get_contents());";
            }
            $output .= "ob_end_clean(); ?>";
        }

        return $output;
    }

    function _compile_if_tag($tag_args, $elseif = false)
    {
        preg_match_all('~(?>
                ' . $this->_obj_call_regexp . '(?:' . $this->_mod_regexp . '*)? | # valid object call
                ' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)?    | # var or quoted string
                \-?0[xX][0-9a-fA-F]+|\-?\d+(?:\.\d+)?|\.\d+|!==|===|==|!=|<>|<<|>>|<=|>=|\&\&|\|\||\(|\)|,|\!|\^|=|\&|\~|<|>|\||\%|\+|\-|\/|\*|\@    | # valid non-word token
                \b\w+\b                                                        | # valid word token
                \S+                                                           # anything else
                )~x', $tag_args, $match);

        $tokens = $match[0];
        $token_count = array_count_values($tokens);
        if(isset($token_count['(']) && $token_count['('] != $token_count[')']) {
            $this->_syntax_error("unbalanced parenthesis in if statement", E_USER_ERROR, __FILE__, __LINE__);
        }

        $is_arg_stack = array();

        for ($i = 0; $i < count($tokens); $i++) {

            $token = &$tokens[$i];

            switch (strtolower($token)) {
                case '!':
                case '%':
                case '!==':
                case '==':
                case '===':
                case '>':
                case '<':
                case '!=':
                case '<>':
                case '<<':
                case '>>':
                case '<=':
                case '>=':
                case '&&':
                case '||':
                case '|':
                case '^':
                case '&':
                case '~':
                case ')':
                case ',':
                case '+':
                case '-':
                case '*':
                case '/':
                case '@':
                    break;

                case 'eq':
                    $token = '==';
                    break;

                case 'ne':
                case 'neq':
                    $token = '!=';
                    break;

                case 'lt':
                    $token = '<';
                    break;

                case 'le':
                case 'lte':
                    $token = '<=';
                    break;

                case 'gt':
                    $token = '>';
                    break;

                case 'ge':
                case 'gte':
                    $token = '>=';
                    break;

                case 'and':
                    $token = '&&';
                    break;

                case 'or':
                    $token = '||';
                    break;

                case 'not':
                    $token = '!';
                    break;

                case 'mod':
                    $token = '%';
                    break;

                case '(':
                    array_push($is_arg_stack, $i);
                    break;

                case 'is':

                    if ($tokens[$i-1] == ')')
                        $is_arg_start = array_pop($is_arg_stack);
                    else
                        $is_arg_start = $i-1;

                    $is_arg = implode(' ', array_slice($tokens, $is_arg_start, $i - $is_arg_start));

                    $new_tokens = $this->_parse_is_expr($is_arg, array_slice($tokens, $i+1));

                    array_splice($tokens, $is_arg_start, count($tokens), $new_tokens);

                    $i = $is_arg_start;
                    break;

                default:
                    if(preg_match('~^' . $this->_func_regexp . '$~', $token) ) {

                            if($this->security &&
                               !in_array($token, $this->security_settings['IF_FUNCS'])) {
                                $this->_syntax_error("(secure mode) '$token' not allowed in if statement", E_USER_ERROR, __FILE__, __LINE__);
                            }
                    } elseif(preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . '*)$~', $token)) {

                        $token = $this->_parse_var_props($token);
                    } elseif(is_numeric($token)) {

                    } else {
                        $this->_syntax_error("unidentified token '$token'", E_USER_ERROR, __FILE__, __LINE__);
                    }
                    break;
            }
        }

        if ($elseif)
            return '<?php elseif ('.implode(' ', $tokens).'): ?>';
        else
            return '<?php if ('.implode(' ', $tokens).'): ?>';
    }


    function _compile_arg_list($type, $name, $attrs, &$cache_code) {
        $arg_list = array();

        if (isset($type) && isset($name)
            && isset($this->_plugins[$type])
            && isset($this->_plugins[$type][$name])
            && empty($this->_plugins[$type][$name][4])
            && is_array($this->_plugins[$type][$name][5])
            ) {

            $_cache_attrs = $this->_plugins[$type][$name][5];
            $_count = $this->_cache_attrs_count++;
            $cache_code = "\$_cache_attrs =& \$this->_smarty_cache_attrs('$this->_cache_serial','$_count');";

        } else {

            $_cache_attrs = null;
        }

        foreach ($attrs as $arg_name => $arg_value) {
            if (is_bool($arg_value))
                $arg_value = $arg_value ? 'true' : 'false';
            if (is_null($arg_value))
                $arg_value = 'null';
            if ($_cache_attrs && in_array($arg_name, $_cache_attrs)) {
                $arg_list[] = "'$arg_name' => (\$this->_cache_including) ? \$_cache_attrs['$arg_name'] : (\$_cache_attrs['$arg_name']=$arg_value)";
            } else {
                $arg_list[] = "'$arg_name' => $arg_value";
            }
        }
        return $arg_list;
    }

    function _parse_is_expr($is_arg, $tokens)
    {
        $expr_end = 0;
        $negate_expr = false;

        if (($first_token = array_shift($tokens)) == 'not') {
            $negate_expr = true;
            $expr_type = array_shift($tokens);
        } else
            $expr_type = $first_token;

        switch ($expr_type) {
            case 'even':
                if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') {
                    $expr_end++;
                    $expr_arg = $tokens[$expr_end++];
                    $expr = "!(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))";
                } else
                    $expr = "!(1 & $is_arg)";
                break;

            case 'odd':
                if (isset($tokens[$expr_end]) && $tokens[$expr_end] == 'by') {
                    $expr_end++;
                    $expr_arg = $tokens[$expr_end++];
                    $expr = "(1 & ($is_arg / " . $this->_parse_var_props($expr_arg) . "))";
                } else
                    $expr = "(1 & $is_arg)";
                break;

            case 'div':
                if (@$tokens[$expr_end] == 'by') {
                    $expr_end++;
                    $expr_arg = $tokens[$expr_end++];
                    $expr = "!($is_arg % " . $this->_parse_var_props($expr_arg) . ")";
                } else {
                    $this->_syntax_error("expecting 'by' after 'div'", E_USER_ERROR, __FILE__, __LINE__);
                }
                break;

            default:
                $this->_syntax_error("unknown 'is' expression - '$expr_type'", E_USER_ERROR, __FILE__, __LINE__);
                break;
        }

        if ($negate_expr) {
            $expr = "!($expr)";
        }

        array_splice($tokens, 0, $expr_end, $expr);

        return $tokens;
    }

    function _parse_attrs($tag_args)
    {

        preg_match_all('~(?:' . $this->_obj_call_regexp . '|' . $this->_qstr_regexp . ' | (?>[^"\'=\s]+)
                         )+ |
                         [=]
                        ~x', $tag_args, $match);
        $tokens       = $match[0];

        $attrs = array();

        $state = 0;

        foreach ($tokens as $token) {
            switch ($state) {
                case 0:
                    if (preg_match('~^\w+$~', $token)) {
                        $attr_name = $token;
                        $state = 1;
                    } else
                        $this->_syntax_error("invalid attribute name: '$token'", E_USER_ERROR, __FILE__, __LINE__);
                    break;

                case 1:
                    if ($token == '=') {
                        $state = 2;
                    } else
                        $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__);
                    break;

                case 2:

                    if ($token != '=') {

                        if (preg_match('~^(on|yes|true)$~', $token)) {
                            $token = 'true';
                        } else if (preg_match('~^(off|no|false)$~', $token)) {
                            $token = 'false';
                        } else if ($token == 'null') {
                            $token = 'null';
                        } else if (preg_match('~^-?([0-9]+|0[xX][0-9a-fA-F]+)$~', $token)) {
                        } else if (!preg_match('~^' . $this->_obj_call_regexp . '|' . $this->_var_regexp . '(?:' . $this->_mod_regexp . ')*$~', $token)) {
                            $token = '"'.addslashes($token).'"';
                        }

                        $attrs[$attr_name] = $token;
                        $state = 0;
                    } else
                        $this->_syntax_error("'=' cannot be an attribute value", E_USER_ERROR, __FILE__, __LINE__);
                    break;
            }
            $last_token = $token;
        }

        if($state != 0) {
            if($state == 1) {
                $this->_syntax_error("expecting '=' after attribute name '$last_token'", E_USER_ERROR, __FILE__, __LINE__);
            } else {
                $this->_syntax_error("missing attribute value", E_USER_ERROR, __FILE__, __LINE__);
            }
        }