tpl.inc.php

MyDNSConfig-1.1.0 基于LINUX内核系统的DNS解析系统

         *
         * @return float time taken to parse template
         * @access public
         */
        function getParseTime () {
            if ($this->OPTIONS['TIME_PARSE'] && $this->_parsed) {
                return $this->_totalparsetime;
            }
            return false;
        }


        /**
         * FUNCTION: fastPrint
         *
         * Identical to pparse() except that it uses output buffering w/ gz compression thus
         * printing the output directly and compressed if poss.
         * Will possibly if parsing a huge template.
         *
         * @access public
         * @return boolean true/false
         */
        function fastPrint () {
            $ret = $this->_parse('ob_gzhandler');
            print($this->_tmploutput);
            return $ret;
        }


        /**
         * FUNCTION: pparse
         *
         * Calls parse, and then prints out $this->_tmploutput
         *
         * @access public
         * @return boolean true/false
         */
        function pparse () {
            if (!$this->_parsed) $this->_parse();
            print($this->_tmploutput);
            return true;
        }

        /**
         * FUNCTION: pprint
         *
         * Alias for pparse()
         *
         * @access public
         */
        function pprint () {
            return $this->pparse();
        }


        /**
         * FUNCTION: grab
         *
         * Returns the parsed output, ready for printing, passing to mail() ...etc.
         * Invokes $this->_parse() if template has not yet been parsed.
         *
         * @access public
         * @return boolean true/false
         */
        function grab () {
            if (!$this->_parsed) $this->_parse();
            return $this->_tmploutput;
        }

    /*-----------------------------------------------------------------------------\
    |                           private functions                                  |
    \-----------------------------------------------------------------------------*/

        /**
         * FUNCTION: vlibTemplate
         *
         * vlibTemplate constructor.
         * if $tmplfile has been passed to it, it will send to $this->newTemplate()
         *
         * @param string $tmplfile full path to template file
         * @param array $options see above
         * @return boolean true/false
         * @access private
         */
        function tpl ($tmplfile=null, $options=null) {
            if (is_array($tmplfile) && $options == null) {
                $options = $tmplfile;
                unset($tmplfile);
            }

            $this->VLIBTEMPLATE_ROOT = dirname(realpath(__FILE__));

            if (is_array(vlibIni::vlibTemplate())) {
                foreach (vlibIni::vlibTemplate() as $name => $val) {
                    $this->OPTIONS[$name] = $val;
                }
            }

            if (is_array($options)) {
                foreach($options as $key => $val) {
                    $key = strtoupper($key);
                    if ($key == 'PATH') {
                        $this->setPath($val);
                    }
                    else {
                        $this->_setOption($key, strtolower($val));
                    }
                }
            }
            if($tmplfile) $this->newTemplate($tmplfile);
            if ($this->OPTIONS['GLOBAL_CONTEXT_VARS']) $this->setContextVars();
            return true;
        }

        /** FUNCTION: _getData
         *
         * function returns the text from the file, or if we're using cache, the text
         * from the cache file. MUST RETURN DATA.
         * @param string tmplfile contains path to template file
         * @param do_eval used for included files. If set then this function must do the eval()'ing.
         * @access private
         * @return mixed data/string or boolean
         */
        function _getData ($tmplfile, $do_eval=false) {
            //check the current file depth
            if ($this->_includedepth > $this->OPTIONS['MAX_INCLUDES'] || $tmplfile == false) {
                return;
            }
            else {
                if ($this->_debug) array_push ($this->_debugIncludedfiles, $tmplfile);
                if ($do_eval) {
                    array_push($this->_currentincludedir, dirname($tmplfile));
                    $this->_includedepth++;
                }
            }


            if($this->_cache && $this->_checkCache($tmplfile)) { // cache exists so lets use it
                $data = fread($fp = fopen($this->_cachefile, 'r'), filesize($this->_cachefile));
                fclose($fp);
            }
            else { // no cache lets parse the file
                $data = fread($fp = fopen($tmplfile, 'r'), filesize($tmplfile));
                fclose($fp);

                $regex = '/(<|<\/|{|{\/|<!--|<!--\/){1}\s*';
                $regex.= 'tmpl_([\w]+)\s*';
                $regex.= '(?:';
                $regex.=    '(?:';
                $regex.=        '(name|format|escape|op|value|file)';
                $regex.=        '\s*=\s*';
                $regex.=    ')?';
                $regex.=    '(?:[\"\'])?';
                $regex.=    '((?<=[\"\'])';
                $regex.=    '[^\"\']*|[a-z0-9_\.]*)';
                $regex.=    '[\"\']?';
                $regex.= ')?\s*';
                $regex.= '(?:';
                $regex.=    '(?:';
                $regex.=        '(name|format|escape|op|value)';
                $regex.=        '\s*=\s*';
                $regex.=    ')';
                $regex.=    '(?:[\"\'])?';
                $regex.=    '((?<=[\"\'])';
                $regex.=    '[^\"\']*|[a-z0-9_\.]*)';
                $regex.=    '[\"\']?';
                $regex.= ')?\s*';
                $regex.= '(?:';
                $regex.=    '(?:';
                $regex.=        '(name|format|escape|op|value)';
                $regex.=        '\s*=\s*';
                $regex.=    ')';
                $regex.=    '(?:[\"\'])?';
                $regex.=    '((?<=[\"\'])';
                $regex.=    '[^\"\']*|[a-z0-9_\.]*)';
                $regex.=    '[\"\']?';
                $regex.= ')?\s*';
                $regex.= '(?:>|\/>|}|-->){1}';
                $regex.= '([\r\n|\n|\r])?/ie';
                $data = preg_replace($regex,"\$this->_parseTag(array('\\0','\\1','\\2','\\3','\\4','\\5','\\6','\\7','\\8','\\9'));",$data);

                if ($this->_cache) { // add cache if need be
                    $this->_createCache($data);
                }
            }

            // now we must parse the $data and check for any <tmpl_include>'s
            if ($this->_debug) $this->doDebugWarnings(file($tmplfile), $tmplfile);

            if ($do_eval) {
                $success = @eval('?>'.$data.'<?php return 1;');
                $this->_includedepth--;
                array_pop($this->_currentincludedir);
                return $success;
            }
            else {
                return $data;
            }

        }

        /**
         * FUNCTION: _fileSearch
         *
         * Searches for all possible instances of file { $file }
         *
         * @param string $file path of file we're looking for
         * @access private
         * @return mixed fullpath to file or boolean false
         */
        function _fileSearch ($file) {
            $filename = basename($file);
            $filepath = dirname($file);

            // check fullpath first..
            $fullpath = $filepath.'/'.$filename;
            if (is_file($fullpath)) return $fullpath;

            // ..then check for relative path for current directory..
            if (!empty($this->_currentincludedir)) {
                $currdir = $this->_currentincludedir[(count($this->_currentincludedir) -1)];
                $relativepath = realpath($currdir.'/'.$filepath.'/'.$filename);
                if (is_file($relativepath)) {
                    array_push ($this->_currentincludedir, dirname($relativepath));
                    return $relativepath;
                }
            }

            // ..then check for relative path for all additional given paths..
            if (!empty($this->OPTIONS['INCLUDE_PATHS'])) {
                foreach ($this->OPTIONS['INCLUDE_PATHS'] as $currdir) {
                    $relativepath = realpath($currdir.'/'.$filepath.'/'.$filename);
                    if (is_file($relativepath)) {
                        return $relativepath;
                    }
                }
            }

            // ..then check path from TEMPLATE_DIR..
            if (!empty($this->OPTIONS['TEMPLATE_DIR'])) {
                $fullpath = realpath($this->OPTIONS['TEMPLATE_DIR'].'/'.$filepath.'/'.$filename);
                if (is_file($fullpath)) return $fullpath;
            }

            // ..then check relative path from executing php script..
            $fullpath = realpath($filepath.'/'.$filename);
            if (is_file($fullpath)) return $fullpath;

            // ..then check path from template file.
            if (!empty($this->VLIBTEMPLATE_ROOT)) {
                $fullpath = realpath($this->VLIBTEMPLATE_ROOT.'/'.$filepath.'/'.$filename);
                if (is_file($fullpath)) return $fullpath;
            }

            return false; // uh oh, file not found
        }

        /**
         * FUNCTION: _arrayBuild
         *
         * Modifies the array $arr to add Template variables, __FIRST__, __LAST__ ..etc
         * if $this->OPTIONS['LOOP_CONTEXT_VARS'] is true.
         * Used by $this->setloop().
         *
         * @param array $arr
         * @return array new look array
         * @access private
         */
        function _arrayBuild ($arr) {
            if (is_array($arr) && !empty($arr)) {
                $arr = array_values($arr); // to prevent problems w/ non sequential arrays
                for ($i = 0; $i < count($arr); $i++) {
                    if(!is_array($arr[$i]))  return false;
                    foreach ($arr[$i] as $k => $v) {
                        unset($arr[$i][$k]);
                        if ($this->OPTIONS['CASELESS']) $k = strtolower($k);
                        if (preg_match('/^[0-9]+$/', $k)) $k = '_'.$k;

                        if (is_array($v)) {
                            if (($arr[$i][$k] = $this->_arrayBuild($v)) == false) return false;
                        }
                        else { // reinsert the var
                            $arr[$i][$k] = $v;
                        }
                    }
                    if ($this->OPTIONS['LOOP_CONTEXT_VARS']) {
                        if ($i == 0) $arr[$i]['__FIRST__'] = true;
                        if (($i + 1) == count($arr)) $arr[$i]['__LAST__'] = true;
                        if ($i != 0 && (($i + 1) < count($arr))) $arr[$i]['__INNER__'] = true;
                        if (is_int(($i+1) / 2))  $arr[$i]['__EVEN__'] = true;
                        if (!is_int(($i+1) / 2))  $arr[$i]['__ODD__'] = true;
                        $arr[$i]['__ROWNUM__'] = ($i + 1);
                    }
                }
                return $arr;
            }
            elseif (empty($arr)) {
                return true;
            }
        }

        /**
         * FUNCTION: _parseIf
         * returns a string used for parsing in tmpl_if statements.
         *
         * @param string $varname
         * @param string $value
         * @param string $op
         * @param string $namespace current namespace
         * @access private
         * @return string used for eval'ing
         */
        function _parseIf ($varname, $value=null, $op=null, $namespace=null) {
            if (isset($namespace)) $namespace = substr($namespace, 0, -1);
            $comp_str = ''; // used for extended if statements

            // work out what to put on the end id value="whatever" is used
            if (isset($value)) {

                // add the correct operator depending on whether it's been specified or not
                if (!empty($op)) {
                    if (in_array($op, $this->allowed_if_ops)) {
                        $comp_str .= $op;
                    }
                    else {
                        vlibTemplateError::raiseError('VT_WARNING_INVALID_IF_OP', WARNING, $op);
                    }
                }
                else {
                    $comp_str .= '==';
                }

                // now we add the value, if it's numeric, then we leave the quotes off
                if (is_numeric($value)) {
                    $comp_str .= $value;
                }
                else {
                    $comp_str .= '\''.$value.'\'';
                }
            }

            if (count($this->_namespace) == 0 || $namespace == 'global') return '$this->_vars[\''.$varname.'\']'.$comp_str;
            $retstr = '$this->_arrvars';
            $numnamespaces = count($this->_namespace);
            for ($i=0; $i < $numnamespaces; $i++) {
                if ($this->_namespace[$i] == $namespace || (($i + 1) == $numnamespaces && !empty($namespace))) {
                    $retstr .= "['".$namespace."'][\$_".$i."]";
                    break 1;
                }
                else {
                    $retstr .= "['".$this->_namespace[$i]."'][\$_".$i."]";
                }
            }
            if ($this->OPTIONS['GLOBAL_VARS'] && empty($namespace)) {
                return '(('.$retstr.'[\''.$varname.'\'] !== null) ? '.$retstr.'[\''.$varname.'\'] : $this->_vars[\''.$varname.'\'])'.$comp_str;
            }
            else {
                return $retstr."['".$varname."']".$comp_str;
            }
        }


        /**
         * FUNCTION: _parseLoop
         * returns a string used for parsing in tmpl_loop statements.
         *
         * @param string $varname
         * @access private
         * @return string used for eval'ing
         */
        function _parseLoop ($varname) {
            array_push($this->_namespace, $varname);
            $tempvar = count($this->_namespace) - 1;
            $retstr = "for (\$_".$tempvar."=0 ; \$_".$tempvar." < count(\$this->_arrvars";
            for ($i=0; $i < count($this->_namespace); $i++) {