diff options
Diffstat (limited to 'Zotlabs/Render')
| -rwxr-xr-x | Zotlabs/Render/SimpleTemplate.php | 310 | ||||
| -rwxr-xr-x | Zotlabs/Render/SmartyInterface.php | 48 | ||||
| -rwxr-xr-x | Zotlabs/Render/SmartyTemplate.php | 75 | ||||
| -rwxr-xr-x | Zotlabs/Render/TemplateEngine.php | 12 |
4 files changed, 445 insertions, 0 deletions
diff --git a/Zotlabs/Render/SimpleTemplate.php b/Zotlabs/Render/SimpleTemplate.php new file mode 100755 index 000000000..ff1bb5c3c --- /dev/null +++ b/Zotlabs/Render/SimpleTemplate.php @@ -0,0 +1,310 @@ +<?php + +namespace Zotlabs\Render; + +define ("KEY_NOT_EXISTS", '^R_key_not_Exists^'); + +class SimpleTemplate implements TemplateEngine { + + static $name ="internal"; + + var $r; + var $search; + var $replace; + var $stack = array(); + var $nodes = array(); + var $done = false; + var $d = false; + var $lang = null; + var $debug=false; + + private function _preg_error() { + switch(preg_last_error()) { + case PREG_INTERNAL_ERROR: echo('PREG_INTERNAL_ERROR'); break; + case PREG_BACKTRACK_LIMIT_ERROR: echo('PREG_BACKTRACK_LIMIT_ERROR'); break; + case PREG_RECURSION_LIMIT_ERROR: echo('PREG_RECURSION_LIMIT_ERROR'); break; + case PREG_BAD_UTF8_ERROR: echo('PREG_BAD_UTF8_ERROR'); break; +// This is only valid for php > 5.3, not certain how to code around it for unit tests +// case PREG_BAD_UTF8_OFFSET_ERROR: echo('PREG_BAD_UTF8_OFFSET_ERROR'); break; + default: + //die("Unknown preg error."); + return; + } + echo "<hr><pre>"; + debug_print_backtrace(); + die(); + } + + private function _push_stack() { + $this->stack[] = array($this->r, $this->nodes); + } + + private function _pop_stack(){ + list($this->r, $this->nodes) = array_pop($this->stack); + } + + private function _get_var($name, $retNoKey=false) { + $keys = array_map('trim',explode(".",$name)); + if ($retNoKey && !array_key_exists($keys[0], $this->r)) + return KEY_NOT_EXISTS; + + $val = $this->r; + foreach($keys as $k) { + $val = (isset($val[$k]) ? $val[$k] : null); + } + + return template_escape($val); + } + + /** + * IF node + * \code + * {{ if <$var> }}...[{{ else }} ...] {{ endif }} + * {{ if <$var>==<val|$var> }}...[{{ else }} ...]{{ endif }} + * {{ if <$var>!=<val|$var> }}...[{{ else }} ...]{{ endif }} + * \endcode + */ + private function _replcb_if($args) { + if (strpos($args[2],"==")>0){ + list($a,$b) = array_map("trim",explode("==",$args[2])); + $a = $this->_get_var($a); + if ($b[0]=="$") $b = $this->_get_var($b); + $val = ($a == $b); + } else if (strpos($args[2],"!=")>0){ + list($a,$b) = array_map("trim", explode("!=",$args[2])); + $a = $this->_get_var($a); + if ($b[0]=="$") $b = $this->_get_var($b); + $val = ($a != $b); + } else { + $val = $this->_get_var($args[2]); + } + $x = preg_split("|{{ *else *}}|", $args[3]); + + return ( ($val) ? $x[0] : (isset($x[1]) ? $x[1] : "")); + } + + /** + * FOR node + * \code + * {{ for <$var> as $name }}...{{ endfor }} + * {{ for <$var> as $key=>$name }}...{{ endfor }} + * \endcode + */ + private function _replcb_for($args) { + $m = array_map('trim', explode(" as ", $args[2])); + $x = explode("=>",$m[1]); + if (count($x) == 1) { + $varname = $x[0]; + $keyname = ""; + } else { + list($keyname, $varname) = $x; + } + if ($m[0]=="" || $varname=="" || is_null($varname)) die("template error: 'for ".$m[0]." as ".$varname."'") ; + //$vals = $this->r[$m[0]]; + $vals = $this->_get_var($m[0]); + $ret=""; + if (!is_array($vals)) return $ret; + + foreach ($vals as $k=>$v){ + $this->_push_stack(); + $r = $this->r; + $r[$varname] = $v; + if ($keyname!='') $r[$keyname] = (($k === 0) ? '0' : $k); + $ret .= $this->replace($args[3], $r); + $this->_pop_stack(); + } + + return $ret; + } + + /** + * INC node + * \code + * {{ inc <templatefile> [with $var1=$var2] }}{{ endinc }} + * \endcode + */ + private function _replcb_inc($args) { + if (strpos($args[2],"with")) { + list($tplfile, $newctx) = array_map('trim', explode("with",$args[2])); + } else { + $tplfile = trim($args[2]); + $newctx = null; + } + + if ($tplfile[0]=="$") $tplfile = $this->_get_var($tplfile); + + $this->_push_stack(); + $r = $this->r; + if (!is_null($newctx)) { + list($a,$b) = array_map('trim', explode("=",$newctx)); + $r[$a] = $this->_get_var($b); + } + $this->nodes = Array(); + $tpl = get_markup_template($tplfile); + $ret = $this->replace($tpl, $r); + $this->_pop_stack(); + + return $ret; + } + + /** + * DEBUG node + * \code + * {{ debug $var [$var [$var [...]]] }}{{ enddebug }} + * \endcode + * replace node with <pre>var_dump($var, $var, ...);</pre> + */ + private function _replcb_debug($args) { + $vars = array_map('trim', explode(" ",$args[2])); + $vars[] = $args[1]; + + $ret = "<pre>"; + foreach ($vars as $var){ + $ret .= htmlspecialchars(var_export( $this->_get_var($var), true )); + $ret .= "\n"; + } + $ret .= "</pre>"; + + return $ret; + } + + private function _replcb_node($m) { + $node = $this->nodes[$m[1]]; + if (method_exists($this, "_replcb_".$node[1])){ + $s = call_user_func(array($this, "_replcb_".$node[1]), $node); + } else { + $s = ""; + } + $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s); + + return $s; + } + + private function _replcb($m) { + //var_dump(array_map('htmlspecialchars', $m)); + $this->done = false; + $this->nodes[] = (array) $m; + + return "||". (count($this->nodes)-1) ."||"; + } + + private function _build_nodes($s) { + $this->done = false; + while (!$this->done) { + $this->done=true; + $s = preg_replace_callback('|{{ *([a-z]*) *([^}]*)}}([^{]*({{ *else *}}[^{]*)?){{ *end\1 *}}|', array($this, "_replcb"), $s); + if ($s==Null) $this->_preg_error(); + } + //({{ *else *}}[^{]*)? + krsort($this->nodes); + + return $s; + } + + private function var_replace($s) { + $m = array(); + /** regexp: + * \$ literal $ + * (\[)? optional open square bracket + * ([a-zA-Z0-9-_]+\.?)+ var name, followed by optional + * dot, repeated at least 1 time + * (?(1)\]) if there was opened square bracket + * (subgrup 1), match close bracket + */ + if (preg_match_all('/\$(\[)?([a-zA-Z0-9-_]+\.?)+(?(1)\])/', $s,$m)) { + foreach ($m[0] as $var) { + $exp = str_replace(array("[", "]"), array("", ""), $var); + $exptks = explode("|", $exp); + + $varn = $exptks[0]; + unset($exptks[0]); + $val = $this->_get_var($varn, true); + if ($val != KEY_NOT_EXISTS) { + /* run filters */ + /* + * Filter are in form of: + * filtername:arg:arg:arg + * + * "filtername" is function name + * "arg"s are optional, var value is appended to the end + * if one "arg"==='x' , is replaced with var value + * + * examples: + * $item.body|htmlspecialchars // escape html chars + * $item.body|htmlspecialchars|strtoupper // escape html and uppercase result + * $item.created|date:%Y %M %j // format date (created is a timestamp) + * $item.body|str_replace:cat:dog // replace all "cat" with "dog" + * $item.body|str_replace:cat:dog:x:1 // replace one "cat" with "dog" + */ + foreach ($exptks as $filterstr) { + $filter = explode(":", $filterstr); + $filtername = $filter[0]; + unset($filter[0]); + $valkey = array_search("x", $filter); + if ($valkey === false) { + $filter[] = $val; + } else { + $filter[$valkey] = $val; + } + if (function_exists($filtername)) { + $val = call_user_func_array($filtername, $filter); + } + } + $s = str_replace($var, $val, $s); + } + } + } + + return $s; + } + + private function replace($s, $r) { + $this->replace_macros($s, $r); + } + + // TemplateEngine interface + + public function replace_macros($s, $r) { + $this->r = $r; + + $s = $this->_build_nodes($s); + + $s = preg_replace_callback('/\|\|([0-9]+)\|\|/', array($this, "_replcb_node"), $s); + if ($s == Null) + $this->_preg_error(); + + // remove comments block + $s = preg_replace('/{#[^#]*#}/', "" , $s); + + //$t2 = dba_timer(); + + // replace strings recursively (limit to 10 loops) + $os = ""; + $count=0; + while (($os !== $s) && $count<10) { + $os=$s; + $count++; + $s = $this->var_replace($s); + } + + return $s; + } + + public function get_markup_template($file, $root='') { + $template_file = theme_include($file, $root); + if ($template_file) { + $content = file_get_contents($template_file); + } + + return $content; + } +} + + +function template_escape($s) { + return str_replace(array('$','{{'),array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),$s); +} + +function template_unescape($s) { + return str_replace(array('!_Doll^Ars1Az_!','!_DoubLe^BraceS4Rw_!'),array('$','{{'),$s); +} diff --git a/Zotlabs/Render/SmartyInterface.php b/Zotlabs/Render/SmartyInterface.php new file mode 100755 index 000000000..0e3a47c2f --- /dev/null +++ b/Zotlabs/Render/SmartyInterface.php @@ -0,0 +1,48 @@ +<?php /** @file */ + +namespace Zotlabs\Render; + +require_once('library/Smarty/libs/Smarty.class.php'); + +class SmartyInterface extends \Smarty { + + public $filename; + + function __construct() { + parent::__construct(); + + $theme = Theme::current(); + $thname = $theme[0]; + + // setTemplateDir can be set to an array, which Smarty will parse in order. + // The order is thus very important here + + $template_dirs = array('theme' => "view/theme/$thname/tpl/"); + if( x(\App::$theme_info,"extends") ) + $template_dirs = $template_dirs + array('extends' => "view/theme/" . \App::$theme_info["extends"] . "/tpl/"); + $template_dirs = $template_dirs + array('base' => 'view/tpl/'); + $this->setTemplateDir($template_dirs); + + $basecompiledir = \App::$config['system']['smarty3_folder']; + + $this->setCompileDir($basecompiledir.'/compiled/'); + $this->setConfigDir($basecompiledir.'/config/'); + $this->setCacheDir($basecompiledir.'/cache/'); + + $this->left_delimiter = \App::get_template_ldelim('smarty3'); + $this->right_delimiter = \App::get_template_rdelim('smarty3'); + + // Don't report errors so verbosely + $this->error_reporting = E_ALL & (~E_NOTICE); + } + + function parsed($template = '') { + if($template) { + return $this->fetch('string:' . $template); + } + return $this->fetch('file:' . $this->filename); + } +} + + + diff --git a/Zotlabs/Render/SmartyTemplate.php b/Zotlabs/Render/SmartyTemplate.php new file mode 100755 index 000000000..532d6e42f --- /dev/null +++ b/Zotlabs/Render/SmartyTemplate.php @@ -0,0 +1,75 @@ +<?php /** @file */ + +namespace Zotlabs\Render; + +class SmartyTemplate implements TemplateEngine { + + static $name ="smarty3"; + + public function __construct(){ + + // Cannot use get_config() here because it is called during installation when there is no DB. + // FIXME: this may leak private information such as system pathnames. + + $basecompiledir = ((array_key_exists('smarty3_folder',\App::$config['system'])) + ? \App::$config['system']['smarty3_folder'] : ''); + if (!$basecompiledir) $basecompiledir = str_replace('Zotlabs','',dirname(__dir__)) . "/" . TEMPLATE_BUILD_PATH; + if (!is_dir($basecompiledir)) { + echo "<b>ERROR:</b> folder <tt>$basecompiledir</tt> does not exist."; killme(); + } + if(!is_writable($basecompiledir)){ + echo "<b>ERROR:</b> folder <tt>$basecompiledir</tt> must be writable by webserver."; killme(); + } + \App::$config['system']['smarty3_folder'] = $basecompiledir; + } + + // TemplateEngine interface + + public function replace_macros($s, $r) { + $template = ''; + if(gettype($s) === 'string') { + $template = $s; + $s = new SmartyInterface(); + } + foreach($r as $key=>$value) { + if($key[0] === '$') { + $key = substr($key, 1); + } + $s->assign($key, $value); + } + return $s->parsed($template); + } + + public function get_markup_template($file, $root=''){ + $template_file = theme_include($file, $root); + if($template_file) { + $template = new SmartyInterface(); + $template->filename = $template_file; + + return $template; + } + return ""; + } + + public function get_intltext_template($file, $root='') { + + $lang = \App::$language; + + if(file_exists("view/$lang/$file")) + $template_file = "view/$lang/$file"; + elseif(file_exists("view/en/$file")) + $template_file = "view/en/$file"; + else + $template_file = theme_include($file,$root); + if($template_file) { + $template = new SmartyInterface(); + $template->filename = $template_file; + + return $template; + } + return ""; + } + + + +} diff --git a/Zotlabs/Render/TemplateEngine.php b/Zotlabs/Render/TemplateEngine.php new file mode 100755 index 000000000..600ff913e --- /dev/null +++ b/Zotlabs/Render/TemplateEngine.php @@ -0,0 +1,12 @@ +<?php + +namespace Zotlabs\Render; + +/** + * @brief Interface for template engines. + */ + +interface TemplateEngine { + public function replace_macros($s, $v); + public function get_markup_template($file, $root=''); +} |