| 一个易用的模板类 |
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来源：互联网 |
时间：2006-03-08 |
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c>$parent)) {
$this
>->halt("subst: unable to load $parent.");
return false;
}
if ($name == "")
$name = $handle;
$str = $this->get_var($parent);
$reg = "/<!--s BEGIN $handles -->(.*)ns*<!--s END $handles -->/sm";
preg_match_all($reg, $str, $m);
$str = preg_replace($reg, "{" . "$name}", $str);
$this->set_var($handle, $m[1][0]);
$this->set_var($parent, $str);
}
/* public: set_var(array $values)
* values: array of variable name, value pairs.
*
* public: set_var(string $varname, string $value)
* varname: name of a variable that is to be defined
* value: value of that variable
*/
function set_var($varname, $value = "") {
if (!is_array($varname)) {
if (!empty($varname))
if ($this->debug) echo "scalar: set *$varname* to *$value*<br>n";
$this->varkeys[$varname] = "/".$this->varname($varname)."/";
$this->varvals[$varname] = $value;
} else {
reset($varname);
while(list($k, $v) = each($varname)) {
if (!empty($k))
if ($this->debug) echo "array: set *$k* to *$v*<br>n";
$this->varkeys[$k] = "/".$this->varname($k)."/";
$this->varvals[$k] = $v;
}
}
}
/* public: subst(string $handle)
* handle: handle of template where variables are to be substituted.
*/
function subst($handle) {
if (!$this->loadfile($handle)) {
$this->halt("subst: unable to load $handle.");
return false;
}
$str = $this->get_var($handle);
$str = @preg_replace($this->varkeys, $this->varvals, $str);
return $str;
}
/* public: psubst(string $handle)
* handle: handle of template where variables are to be substituted.
*/
function psubst($handle) {
echo $this->subst($handle);
return false;
}
/* public: parse(string $target, string $handle, boolean append)
* public: parse(string $target, array $handle, boolean append)
* target: handle of variable to generate
* handle: handle of template to substitute
* append: append to target handle
*/
function parse($target, $handle, $append = false) {
if (!is_array($handle)) {
$str = $this->subst($handle);
if ($append) {
$this->set_var($target, $this->get_var($target) . $str);
} else {
$this->set_var($target, $str);
}
} else {
reset($handle);
while(list($i, $h) = each($handle)) {
$str = $this->subst($h);
$this->set_var($target, $str);
}
}
return $str;
}
function pparse($target, $handle, $append = false) {
echo $this->parse($target, $handle, $append);
return false;
}
/* public: get_vars()*/
function get_vars() {
reset($this->varkeys);
while(list($k, $v) = each($this->varkeys)) {
$result[$k] = $this->varvals[$k];
}
return $result;
}
/* public: get_var(string varname)
* varname: name of variable.
*
* public: get_var(array varname)
* varname: array of variable names
*/
function get_var($varname) {
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('/{[^ trn}] }/', "", $str);
break;
case "comment":
$str = preg_replace('/{([^ trn}] )}/', "<!-- Template $handle: Variable color=#0000cc>set_var($target, $this->get_var($target) . $str);
} else {
$this->set_var($target, $str);
}
} else {
reset($handle);
while(list($i, $h) = each($handle)) {
$str = $this->subst($h);
$this->set_var($target, $str);
}
}
return $str;
}
function pparse($target, $handle, $append = false<
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