给PHPLIB模版加两个函数，解决模版文件内图片、CSS和JS包括路径问题
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if (!is_array($varname)) {
return $this->varvals[$varname];
} else {
reset($varname);
while(list($k, $v) = each($varname)) {
$result[$k] = $this->varvals[$k];
}
return $result;
}
}
/* public: get_undefined($handle)
* handle: handle of a template.
*/
function get_undefined($handle) {
if (!$this->loadfile($handle)) {
$this->halt("get_undefined: unable to load $handle.");
return false;
}
preg_match_all("/{([^}]+)}/", $this->get_var($handle), $m);
$m = $m[1];
if (!is_array($m))
return false;
reset($m);
while(list($k, $v) = each($m)) {
if (!isset($this->varkeys[$v]))
$result[$v] = $v;
}
if (count($result))
return $result;
else
return false;
}
/* public: finish(string $str)
* str: string to finish.
*/
function finish($str) {
switch ($this->unknowns) {
case "keep":
break;
case "remove":
$str = preg_replace('/{[^ \t\r\n}]+}/', "", $str);
break;
case "comment":
$str = preg_replace('/{([^ \t\r\n}]+)}/', "<!-- Template $handle: Variable \1 undefined -->", $str);
break;
}
return $str;
}
/* public: p(string $varname)
* varname: name of variable to print.
*/
function p($varname) {
print $this->finish($this->get_var($varname));
}
function get($varname) {
return $this->finish($this->get_var($varname));
}
/***************************************************************************/
/* private: filename($filename)
* filename: name to be completed.
*/
function filename($filename) {
if (substr($filename, 0, 1) != "/") {
$filename = $this->root."/".$filename;
}
if (!file_exists($filename))
$this->halt("filename: file $filename does not exist.");
return $filename;
}
/* private: varname($varname)
* varname: name of a replacement variable to be protected.
*/
function varname($varname) {
return preg_quote("{".$varname."}");
}
/* private: loadfile(string $handle)
* handle: load file defined by handle, if it is not loaded yet.
*/
function loadfile($handle) {
if (isset($this->varkeys[$handle]) and !empty($this->varvals[$handle]))
return true;
if (!isset($this->file[$handle])) {
$this->halt("loadfile: $handle is not a valid handle.");
return false;
}
$filename = $this->file[$handle];
$str = implode("", @file($filename));
if (empty($str)) {
$this->halt("loadfile: While loading $handle, $filename does not exist or is empty.");
return false;
}
$str = $this->parsepath($str);//替换图片路径
$this->set_var($handle, $str);
return true;
}
/* 重新分析替换模版目录下指定路径(一般为图片文件路径)
*/
function parsepath($str = ""){
if("/" != substr($this->path, -1)){
$this->path .= "/";
}
if("./" == $this->path) return $str;
$str = preg_replace("|".$this->path."|", $this->root."/".$this->path, $str);
return $str;
}
/***************************************************************************/
/* public: halt(string $msg)
* msg: error message to show.
*/
function halt($msg) {
$this->last_error = $msg;
if ($this->halt_on_error != "no")
$this->haltmsg($msg);
if ($this->halt_on_error == "yes")
die("<b>Halted.</b>");
return false;
}
/* public, override: haltmsg($msg)
* msg: error message to show.
*/
function haltmsg($msg) {
printf("<b>Template Error:</b> %s<br>\n", $msg);
}
}
?>
<?
//这个声明表明moban目录和img目录在同一级目录下
$t = new Template("moban", "../img");
//这个表明img目录在moban目录里
$t = new Template("moban", "img");
?>
if (!is_array($varname)) {
return $this->varvals[$varname];
} else {
reset($varname);
while(list($k, $v) = each($varname)) {
$result[$k] = $this->varvals[$k];
}
return $result;
}
}
/* public: get_undefined($handle)
* handle: handle of a template.
*/
function get_undefined($handle) {
if (!$this->loadfile($handle)) {
$this->halt("get_undefined: unable to load $handle.");
return false;
}
preg_match_all("/{([^}]+)}/", $this->get_var($handle), $m);
$m = $m[1];
if (!is_array($m))
return false;
reset($m);
while(list($k, $v) = each($m)) {
if (!isset($this->varkeys[$v]))
$result[$v] = $v;
}
if (count($result))
return $result;
else
return false;
}
/* public: finish(string $str)
* str: string to finish.
*/
function finish($str) {
switch ($this->unknowns) {
case "keep":
break;
case "remove":
$str = preg_replace('/{[^ \t\r\n}]+}/', "", $str);
break;
case "comment":
$str = preg_replace('/{([^ \t\r\n}]+)}/', "<!-- Template $handle: Variable \1 undefined -->", $str);
break;
}
return $str;
}
/* public: p(string $varname)
* varname: name of variable to print.
*/
function p($varname) {
print $this->finish($this->get_var($varname));
}
function get($varname) {
return $this->finish($this->get_var($varname));
}
/***************************************************************************/
/* private: filename($filename)
* filename: name to be completed.
*/
function filename($filename) {
if (substr($filename, 0, 1) != "/") {
$filename = $this->root."/".$filename;
}
if (!file_exists($filename))
$this->halt("filename: file $filename does not exist.");
return $filename;
}
/* private: varname($varname)
* varname: name of a replacement variable to be protected.
*/
function varname($varname) {
return preg_quote("{".$varname."}");
}
/* private: loadfile(string $handle)
* handle: load file defined by handle, if it is not loaded yet.
*/
function loadfile($handle) {
if (isset($this->varkeys[$handle]) and !empty($this->varvals[$handle]))
return true;
if (!isset($this->file[$handle])) {
$this->halt("loadfile: $handle is not a valid handle.");
return false;
}
$filename = $this->file[$handle];
$str = implode("", @file($filename));
if (empty($str)) {
$this->halt("loadfile: While loading $handle, $filename does not exist or is empty.");
return false;
}
$str = $this->parsepath($str);//替换图片路径
$this->set_var($handle, $str);
return true;
}
/* 重新分析替换模版目录下指定路径(一般为图片文件路径)
*/
function parsepath($str = ""){
if("/" != substr($this->path, -1)){
$this->path .= "/";
}
if("./" == $this->path) return $str;
$str = preg_replace("|".$this->path."|", $this->root."/".$this->path, $str);
return $str;
}
/***************************************************************************/
/* public: halt(string $msg)
* msg: error message to show.
*/
function halt($msg) {
$this->last_error = $msg;
if ($this->halt_on_error != "no")
$this->haltmsg($msg);
if ($this->halt_on_error == "yes")
die("<b>Halted.</b>");
return false;
}
/* public, override: haltmsg($msg)
* msg: error message to show.
*/
function haltmsg($msg) {
printf("<b>Template Error:</b> %s<br>\n", $msg);
}
}
?>
<?
//这个声明表明moban目录和img目录在同一级目录下
$t = new Template("moban", "../img");
//这个表明img目录在moban目录里
$t = new Template("moban", "img");
?>
