<?php
/***************************************************************************
* template.php
* -------------------
* Разработка: phpBB Group.
* Оптимизация под WAP: Гутник Игорь ( чел ).
* 2007 год
***************************************************************************/
class Template {
var $classname = "Template";
var $_tpldata = array();
var $files = array();
var $root = "";
var $compiled_code = array();
var $uncompiled_code = array();
function Template($root = ".")
{
$this->set_rootdir($root);
}
function destroy()
{
$this->_tpldata = array();
}
function set_rootdir($dir)
{
if (!is_dir($dir))
{
return false;
}
$this->root = $dir;
return true;
}
function set_filenames($filename_array)
{
if (!is_array($filename_array))
{
return false;
}
reset($filename_array);
while(list($handle, $filename) = each($filename_array))
{
$this->files[$handle] = $this->make_filename($filename);
}
return true;
}
function pparse($handle)
{
if (!$this->loadfile($handle))
{
die("Template->pparse(): Couldn't load template file for handle $handle");
}
if (!isset($this->compiled_code[$handle]) || empty($this->compiled_code[$handle]))
{
$this->compiled_code[$handle] = $this->compile($this->uncompiled_code[$handle]);
}
eval($this->compiled_code[$handle]);
return true;
}
function assign_var_from_handle($varname, $handle)
{
if (!$this->loadfile($handle))
{
die("Template->assign_var_from_handle(): Couldn't load template file for handle $handle");
}
$_str = "";
$code = $this->compile($this->uncompiled_code[$handle], true, '_str');
eval($code);
$this->assign_var($varname, $_str);
return true;
}
function assign_block_vars($blockname, $vararray)
{
if (strstr($blockname, '.'))
{
$blocks = explode('.', $blockname);
$blockcount = sizeof($blocks) - 1;
$str = '$this->_tpldata';
for ($i = 0; $i < $blockcount; $i++)
{
$str .= '[\'' . $blocks[$i] . '.\']';
eval('$lastiteration = sizeof(' . $str . ') - 1;');
$str .= '[' . $lastiteration . ']';
}
$str .= '[\'' . $blocks[$blockcount] . '.\'][] = $vararray;';
eval($str);
}
else
{
$this->_tpldata[$blockname . '.'][] = $vararray;
}
return true;
}
function assign_vars($vararray)
{
reset ($vararray);
while (list($key, $val) = each($vararray))
{
$this->_tpldata['.'][0][$key] = $val;
}
return true;
}
function assign_var($varname, $varval)
{
$this->_tpldata['.'][0][$varname] = $varval;
return true;
}
function make_filename($filename)
{
if (substr($filename, 0, 1) != '/')
{
$filename = ($rp_filename = phpbb_realpath($this->root . '/' . $filename)) ? $rp_filename : $filename;
}
if (!file_exists($filename))
{
die("Template->make_filename(): Error - file $filename does not exist");
}
return $filename;
}
function loadfile($handle)
{
if (isset($this->uncompiled_code[$handle]) && !empty($this->uncompiled_code[$handle]))
{
return true;
}
if (!isset($this->files[$handle]))
{
die("Template->loadfile(): No file specified for handle $handle");
}
$filename = $this->files[$handle];
$str = implode("", @file($filename));
if (empty($str))
{
die("Template->loadfile(): File $filename for handle $handle is empty");
}
$this->uncompiled_code[$handle] = $str;
return true;
}
function compile($code, $do_not_echo = false, $retvar = '')
{
$code = str_replace('\\', '\\\\', $code);
$code = str_replace('\'', '\\\'', $code);
$varrefs = array();
preg_match_all('#\{(([a-z0-9\-_]+?\.)+?)([a-z0-9\-_]+?)\}#is', $code, $varrefs);
$varcount = sizeof($varrefs[1]);
for ($i = 0; $i < $varcount; $i++)
{
$namespace = $varrefs[1][$i];
$varname = $varrefs[3][$i];
$new = $this->generate_block_varref($namespace, $varname);
$code = str_replace($varrefs[0][$i], $new, $code);
}
$code = preg_replace('#\{([a-z0-9\-_]*?)\}#is', '\' . ( ( isset($this->_tpldata[\'.\'][0][\'\1\']) ) ? $this->_tpldata[\'.\'][0][\'\1\'] : \'\' ) . \'', $code);
$code_lines = explode("\n", $code);
$block_nesting_level = 0;
$block_names = array();
$block_names[0] = ".";
$line_count = sizeof($code_lines);
for ($i = 0; $i < $line_count; $i++)
{
$code_lines[$i] = chop($code_lines[$i]);
if (preg_match('#<!-- BEGIN (.*?) -->#', $code_lines[$i], $m))
{
$n[0] = $m[0];
$n[1] = $m[1];
if ( preg_match('#<!-- END (.*?) -->#', $code_lines[$i], $n) )
{
$block_nesting_level++;
$block_names[$block_nesting_level] = $m[1];
if ($block_nesting_level < 2)
{
$code_lines[$i] = '$_' . $n[1] . '_count = ( isset($this->_tpldata[\'' . $n[1] . '.\']) ) ? sizeof($this->_tpldata[\'' . $n[1] . '.\']) : 0;';
$code_lines[$i] .= "\n" . 'for ($_' . $n[1] . '_i = 0; $_' . $n[1] . '_i < $_' . $n[1] . '_count; $_' . $n[1] . '_i++)';
$code_lines[$i] .= "\n" . '{';
}
else
{
$namespace = implode('.', $block_names);
$namespace = substr($namespace, 2);
$varref = $this->generate_block_data_ref($namespace, false);
$code_lines[$i] = '$_' . $n[1] . '_count = ( isset(' . $varref . ') ) ? sizeof(' . $varref . ') : 0;';
$code_lines[$i] .= "\n" . 'for ($_' . $n[1] . '_i = 0; $_' . $n[1] . '_i < $_' . $n[1] . '_count; $_' . $n[1] . '_i++)';
$code_lines[$i] .= "\n" . '{';
}
unset($block_names[$block_nesting_level]);
$block_nesting_level--;
$code_lines[$i] .= '} // END ' . $n[1];
$m[0] = $n[0];
$m[1] = $n[1];
}
else
{
$block_nesting_level++;
$block_names[$block_nesting_level] = $m[1];
if ($block_nesting_level < 2)
{
$code_lines[$i] = '$_' . $m[1] . '_count = ( isset($this->_tpldata[\'' . $m[1] . '.\']) ) ? sizeof($this->_tpldata[\'' . $m[1] . '.\']) : 0;';
$code_lines[$i] .= "\n" . 'for ($_' . $m[1] . '_i = 0; $_' . $m[1] . '_i < $_' . $m[1] . '_count; $_' . $m[1] . '_i++)';
$code_lines[$i] .= "\n" . '{';
}
else
{
$namespace = implode('.', $block_names);
$namespace = substr($namespace, 2);
$varref = $this->generate_block_data_ref($namespace, false);
$code_lines[$i] = '$_' . $m[1] . '_count = ( isset(' . $varref . ') ) ? sizeof(' . $varref . ') : 0;';
$code_lines[$i] .= "\n" . 'for ($_' . $m[1] . '_i = 0; $_' . $m[1] . '_i < $_' . $m[1] . '_count; $_' . $m[1] . '_i++)';
$code_lines[$i] .= "\n" . '{';
}
}
}
else if (preg_match('#<!-- END (.*?) -->#', $code_lines[$i], $m))
{
unset($block_names[$block_nesting_level]);
$block_nesting_level--;
$code_lines[$i] = '} // END ' . $m[1];
}
else
{
if (!$do_not_echo)
{
$code_lines[$i] = 'echo \'' . $code_lines[$i] . '\' . "\\n";';
}
else
{
$code_lines[$i] = '$' . $retvar . '.= \'' . $code_lines[$i] . '\' . "\\n";';
}
}
}
$code = implode("\n", $code_lines);
return $code ;
}
function generate_block_varref($namespace, $varname)
{
$namespace = substr($namespace, 0, strlen($namespace) - 1);
$varref = $this->generate_block_data_ref($namespace, true);
$varref .= '[\'' . $varname . '\']';
$varref = '\' . ( ( isset(' . $varref . ') ) ? ' . $varref . ' : \'\' ) . \'';
return $varref;
}
function generate_block_data_ref($blockname, $include_last_iterator)
{
$blocks = explode(".", $blockname);
$blockcount = sizeof($blocks) - 1;
$varref = '$this->_tpldata';
for ($i = 0; $i < $blockcount; $i++)
{
$varref .= '[\'' . $blocks[$i] . '.\'][$_' . $blocks[$i] . '_i]';
}
$varref .= '[\'' . $blocks[$blockcount] . '.\']';
if ($include_last_iterator)
{
$varref .= '[$_' . $blocks[$blockcount] . '_i]';
}
return $varref;
}
}
?>