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Diffstat (limited to 'web/include/Template.inc')
| -rw-r--r-- | web/include/Template.inc | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/web/include/Template.inc b/web/include/Template.inc new file mode 100644 index 0000000..144bcdb --- /dev/null +++ b/web/include/Template.inc @@ -0,0 +1,238 @@ +<? + # vim:set ts=4: + # vim:set shiftwidth=4: + + /* + * Beat - 3node BTS + * (c) 2002 + * Guenther Harrasser/3node + * Peter Palfrader/3node + * Florian Reitmeir/3node + * Bernhard Weitzhofer/3node + * + * $Id:$ + */ + +# +# Todo: +# * cachen von Positionen +# * Dokumentation +# * Aufräumen +# * bei IF / UNLESS mit mehreren Values AND/OR auswahl ermöglichen +# +class Template +{ + var $raw_content; + var $parsed_content; + var $path; + + var $begin_parse_time; + var $end_parse_time; + + + # + # new Class, read file.. + function Template($filename,$path='.') + { + $this->path=$path; + $content_array = file($this->path.'/'.$filename); + $this->raw_content = implode("", $content_array); + $this->global_data=array(); + } + + function parse(&$data) + { + if ( ! $this->begin_parse_time ) + $this->begin_parse_time = microtime(); + if ( $GLOBALS['global_template_params'] ) + $data = array_merge($data, $GLOBALS['global_template_params']); + $this->parsed_content=$this->parse_rek($data, $this->raw_content); + $this->end_parse_time = microtime(); + } + + function evaluate(&$data, &$name, &$values, $and) + { + if ($and === true) + $return_value = true; + else + $return_value = false; + + foreach ($values as $value) + { + if ($and === true) + $return_value &= ($data[$name]==$value); + else + $return_value |= ($data[$name]==$value); + } + return $return_value; + } + + function parse_rek(&$data, &$raw) + { + $position = 0; + $out = ''; + # JA, dieses komische !== brauchts wirklich so. + # GENAU SO + # GLAUBS MIR EINFACH + # $a !== $b Not identical TRUE if $a is not equal to $b, or they are not of the same type. (PHP 4 only) + while ( ($command_position=strpos($raw, '<TMPL', $position) ) !== false ) + { + # get text before command + $out.=substr($raw, $position, $command_position-$position); + + # get command + preg_match("/_(.+?)\s+NAME=\"(.+?)\"(?:\s+VALUE=\"(.+?)\")?.*?>/", substr($raw,$command_position), $matches); + $command = array(); + $command['command']=$matches[1]; + $command['name']=$matches[2]; + if (isset($matches[3])) { + $command['value']=$matches[3]; + preg_match("/(VALUE=.*)\s*>/", substr($raw,$command_position), $matches); + if ( isset($matches) ) + { + $command['values'] = explode('VALUE=', $matches[1]); + unset($command['values'][0]); + foreach ( $command['values'] as $key=>$value) + { + $command['values'][$key] = substr(trim($value),1,-1); + } + } + } + + # get new position + $position=strpos($raw, '>', $command_position)+1; + + switch($command['command']) + { + case 'INCLUDE': + $template = new Template($command['name'],$this->path); + $template->parse($data); + $out.=$template->output(); + break; + case 'VAR_NOESC': + $out.=$data[$command['name']]; + break; + case 'VAR': + $out.=htmlspecialchars($data[$command['name']]); + break; + case 'UNLESS': + $endif_command_position=strpos($raw, '</TMPL_UNLESS NAME="'.$command['name'].'">', $position); + $if_text=substr($raw, $position,$endif_command_position-$position); + $position=strpos($raw, '>', $endif_command_position)+1; + + if (isset($command['value'])) + { + if ( ! $this->evaluate($data, $command['name'], $command['values'], false) ) + #if ( $data[$command['name']]!=$command['value'] ) + $out.=$this->parse_rek($data, $if_text); + } + else + { + if ( ! $data[$command['name']] ) + $out.=$this->parse_rek($data, $if_text); + } + break; + case 'IF': + $endif_command_position=strpos($raw, '</TMPL_IF NAME="'.$command['name'].'">', $position); + $if_text=substr($raw, $position,$endif_command_position-$position); + $position=strpos($raw, '>', $endif_command_position)+1; + + if (isset($command['value'])) + { + if ( $this->evaluate($data, $command['name'], $command['values'], false) ) + # if ( $data[$command['name']]==$command['value'] ) + $out.=$this->parse_rek($data, $if_text); + } + else + { + if ( $data[$command['name']] ) + $out.=$this->parse_rek($data, $if_text); + } + break; + case 'CMP': + $endif_command_position=strpos($raw, '</TMPL_CMP NAME="'.$command['name'].'">', $position); + $if_text=substr($raw, $position,$endif_command_position-$position); + $position=strpos($raw, '>', $endif_command_position)+1; + + if ( $data[$command['name']]==$data[$command['value']] ) + $out.=$this->parse_rek($data, $if_text); + break; + case 'LOOP': + $endloop_command_position=strpos($raw, '</TMPL_LOOP NAME="'.$command['name'].'">', $position); + $loop_text=substr($raw, $position,$endloop_command_position-$position); + $position=strpos($raw, '>', $endloop_command_position)+1; + + if ( isset($data[$command['name']]) ) + { + foreach ( $data[$command['name']] as $row ) + { + # test if row is set... + if ( isset( $row ) ) + { + # set global variable scope + $local=array_merge($data, $row); + $out.=$this->parse_rek($local, $loop_text); + } + } + } + break; +# (TMPL_ACCESS - wie TPL_LOOP, nur, dass nicht auf alle array-elemente zugegriffen wird, +# sondern nur auf das in VALUE angegebene. wird VALUE nicht angegeben, wird das 1. element verwendet.) + case 'ACCESS': + $endaccess_command_position=strpos($raw, '</TMPL_ACCESS NAME="'.$command['name'].'">', $position); + $access_text=substr($raw, $position,$endaccess_command_position-$position); + $position=strpos($raw, '>', $endaccess_command_position)+1; + if ( isset($data[$command['name']]) ) { + if ( isset( $command['value'] ) ) { + $row = $data[$command['name']][$command['value']]; + } + else { + reset( $data[$command['name']] ); + $row = current( $data[$command['name']] ); + } + if ( isset( $row ) ) + { + # set global variable scope + $local=array_merge($data, $row); + $out.=$this->parse_rek($local, $access_text); + } + } + break; + case 'NAMESPACE': + $endloop_command_position=strpos($raw, '</TMPL_NAMESPACE NAME="'.$command['name'].'">', $position); + $loop_text=substr($raw, $position,$endloop_command_position-$position); + $position=strpos($raw, '>', $endloop_command_position)+1; + + if ( isset($data[$command['name']]) ) + { + $row = $data[$command['name']]; + # set global variable scope + $local=array_merge($data, $row); + $out.=$this->parse_rek($local, $loop_text); + } + break; + case 'RANDOM': + $endloop_command_position = strpos($raw, '</TMPL_RANDOM NAME="'.$command['name'].'">', $next_pos); + $loop_text=substr($raw, $position,$endloop_command_position-$position); + + $hits = split( '<TMPL_RANDOM NAME="'.$command['name'].'">', $loop_text ); + $chosen = rand(0, sizeof($hits) - 1); + $position=strpos($raw, '>', $endloop_command_position)+1; + + $out.=$this->parse_rek($data, $hits[$chosen]); + break; + } + } + $out.=substr($raw, $position); + return $out; + } + + function output() + { + header('Cache-Control: no-cache, must-revalidate'); + header('Pragma: no-cache'); + $time = $this->end_parse_time-$this->begin_parse_time; + return $this->parsed_content."\n<!-- time: ".$time." secs -->\n"; + } +} +?> |