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App.class.php
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<?php
class App
{
private $_exiting = false;
public $extension = array();
public $dir = array();
public $common_config_file = null;
public function
__construct()
{
global $VAR;
define('cloo_version', '1.2.9');
define('command_token_start', '{$');
define('command_token_end', '$}');
define('command_token_start_len', strlen(command_token_start));
define('command_token_end_len', strlen(command_token_end));
define('comment_token_start', '{*');
define('comment_token_end', '*}');
define('comment_token_start_len', strlen(comment_token_start));
define('comment_token_end_len', strlen(comment_token_end));
define('reference_token', '@');
define('reference_token_len', strlen(reference_token));
define('to_string_tab', "\t");
//
$VAR['cloo']['version'] = cloo_version;
//
$VAR['cloo']['extension']['config'] = $this->extension['config'] = '.ini';
$VAR['cloo']['extension']['class'] = $this->extension['class'] = '.class.php';
$VAR['cloo']['extension']['template'] = $this->extension['template'] = '.tpl';
//
$root_dir = getcwd() . '/';
$VAR['cloo']['dir']['root'] = $this->dir['root'] = $root_dir;
$VAR['cloo']['dir']['config'] = $this->dir['config'] = $root_dir . 'config/';
$VAR['cloo']['dir']['class'] = $this->dir['class'] = $root_dir . 'class/';
$VAR['cloo']['dir']['templates'] = $this->dir['templates'] = $root_dir . 'templates/';
//
$VAR['php'] = array(
'server' => $_SERVER,
'files' => $_FILES,
'get' => $_GET,
'post' => $_POST,
'request' => $_REQUEST,
'cookie' => $_COOKIE,
'self' => $_SERVER['PHP_SELF']
);
//
$VAR['space'] = function($count_ = 1)
{
$result = '';
for($i = 0; $i < $count_; ++$i)
$result .= ' ';
return $result;
};
$VAR['tab'] = function($count_ = 1)
{
$result = '';
for($i = 0; $i < $count_; ++$i)
$result .= "\t";
return $result;
};
$VAR['newline'] = function($count_ = 1)
{
$result = '';
for($i = 0; $i < $count_; ++$i)
$result .= "\n";
return $result;
};
$VAR['paren'] = '(';
$VAR['/paren'] = ')';
$VAR['parentheses'] = '(';
$VAR['/parentheses'] = ')';
$VAR['brace'] = '{';
$VAR['/brace'] = '}';
$VAR['bracket'] = '[';
$VAR['/bracket'] = ']';
//
$VAR['list_templates'] = function($parent_ = null)
{
$template_dir = $this->dir['templates'];
$template_ext = $this->extension['template'];
$template_ext_len = strlen($template_ext);
$templates = null;
$dir = null;
if($parent_ != null)
$template_dir .= $parent_ . '/';
if(($dir = @opendir($template_dir)) !== false)
{
$templates = array();
$node = null;
$template_count = 0;
while(($node = readdir($dir)) !== false)
{
if($node == '.' || $node == '..')
continue;
$rpath = $parent_ == null ? $node : ($parent_ . '/' . $node);
$path = $template_dir . $node;
if(is_dir($path))
{
$name = $node;
array_push($templates, array(
'rpath' => $rpath,
'name' => $name,
'type' => 'dir'
));
}
else if(is_file($path))
{
$name = substr($node, 0, strlen($node) - strlen($this->extension['template']));
$rpath = $parent_ == null ? $name : ($parent_ . '/' . $name);
array_push($templates, array(
'rpath' => $rpath,
'name' => $name,
'type' => 'file'
));
}
}
return $templates;
}
return null;
};
$VAR['list_sub_templates'] = function($parent_ = null, $root_ = null)
{
$template_dir = $this->dir['templates'];
$template_ext = $this->extension['template'];
$template_ext_len = strlen($template_ext);
$templates = null;
$dir = null;
if($root_ != null)
$template_dir .= $root_ . '/';
if($parent_ != null)
$template_dir .= $parent_ . '/';
if(($dir = @opendir($template_dir)) !== false)
{
$templates = array();
$node = null;
$template_count = 0;
while(($node = readdir($dir)) !== false)
{
if($node == '.' || $node == '..')
continue;
$rpath = $parent_ == null ? $node : ($parent_ . '/' . $node);
$path = $template_dir . $node;
if(is_dir($path))
{
$name = $node;
array_push($templates, array(
'rpath' => $rpath,
'name' => $name,
'type' => 'dir'
));
}
else if(is_file($path))
{
$name = substr($node, 0, strlen($node) - strlen($this->extension['template']));
$rpath = $parent_ == null ? $name : ($parent_ . '/' . $name);
array_push($templates, array(
'rpath' => $rpath,
'name' => $name,
'type' => 'file'
));
}
}
return $templates;
}
return null;
};
//
$VAR['html'] = array(
'table' => function($rows_, $table_class_ = "table table-striped table-hover p-2")
{
$html = "<table class=\"$table_class_\">\n";
$html .= "\t<thead>\n";
$header = true;
foreach($rows_ as $row)
{
$tds = $header ? "<th scope=\"col\">" : "<td>";
$tde = $header ? "</th>" : "</td>";
$html .= "\t\t<tr>\n";
foreach($row as $val)
$html .= "\t\t\t" . $tds . $val . $tde ."\n";
$html .= "\t\t</tr>\n";
if($header)
{
$html .= "\t</thead>\n";
$html .= "\t<tbody>\n";
}
$header = false;
}
$html .= "\t</tbody>\n";
$html .= "</table>";
return $html;
},
'list' => function($list_, $list_tag_ = 'ul', $tab_ = '', $list_class_ = "p-2", $list_item_class_ = "p-1")
{
$html = "$tab_<$list_tag_ class=\"$list_class_\">\n";
foreach($list_ as $list_item)
{
$html .= "$tab_\t<li class=\"$list_item_class_\">\n";
$html .= $list_item;
$html .= "</li>\n";
}
$html .= "</$list_tag_>";
return $html;
}
);
//
$this->common_config_file = 'site' . $this->extension['config'];
$this->load_config($this->common_config_file, true);
$this->load_configs();
}
public function
run()
{
// load and display index
global $VAR;
$index = file_get_contents($this->dir['templates'] . 'index' . $this->extension['template']);
$index = $this->process_templates($index);
print($index);
}
public function
load_config($config, $ext = false)
{
$file_name = $config;
if(!$ext)
$file_name .= $this->extension['config'];
else
$config = substr($config, 0, strlen($config) - strlen($this->extension['config']));
$file_path = $this->dir['config'] . $file_name;
$config = str_replace('/', '.', $config);
if(file_exists($file_path))
{
$contents = file_get_contents($file_path);
global $VAR;
$len = strlen($contents);
$ch = '\0';
for($i = 0; $i < $len; ++$i)
{
$ch = $contents[$i];
if($ch == '#')
{
++$i;
// continue until newline or end
while($i < ($len - 1) && ($ch = $contents[$i]) != "\n")
++$i;
}
else
{
$j = $i;
// continue until newline or end
while($i < $len && ($ch = $contents[$i]) != "\n")
++$i;
$line_len = ($i - $j + 1);
$line = substr($contents, $j, $line_len);
$k = strpos($line, '=');
$key = trim(substr($line, 0, $k), " \n\t\v");
if($key == '')
continue;
$value = $this->process_templates($line, $k + 1, $line_len);
// set config var
$key = $config . '.' . $key;
$code = '';
if(str_contains($key, '.'))
{
$ids = explode('.', $key);
$code = '$VAR';
$id_count = count($ids);
for($k = 0; $k < $id_count; ++$k)
{
$id = $ids[$k];
$code .= '[\'' . $id . '\']';
}
$code .= ' = ' . $value . ';';
}
else
{
$code = '$VAR[\'' . $key . '\'] = ' . $value . ';';
}
eval($code);
}
}
return 0;
}
return -1;
}
public function
load_configs($subdir = null)
{
$config_dir = $this->dir['config'];
$config_ext = $this->extension['config'];
$config_ext_len = strlen($config_ext);
$dir = null;
if($subdir != null)
$config_dir .= $subdir . '/';
if(($dir = @opendir($config_dir)) !== false)
{
$node = null;
$config_count = 0;
while(($node = readdir($dir)) !== false)
{
if($node == '.' || $node == '..'
|| ($subdir == null && $node == $this->common_config_file))
continue;
$rpath = $subdir == null ? $node : ($subdir . '/' . $node);
$path = $config_dir . $node;
if(is_dir($path))
{
$this->load_configs($rpath);
}
else if(is_file($path))
{
$offset = strlen($rpath) - $config_ext_len;
if(substr_compare($rpath, $config_ext, $offset, $config_ext_len) == 0)
{
$this->load_config($rpath, true);
++$config_count;
}
}
}
return $config_count;
}
return -1;
}
public function
process_templates($string, $start = 0, $end = null, $matching = false)
{
if($this->_exiting)
return '';
global $VAR;
$new_string = '';
if($end == null)
$end = strlen($string);
if($start >= $end)
return '';
$len = $end - $start;
$j = 0;
$checkpoint = null;
$open_braces = 0;
for($i = $start; $i < $end; ++$i)
{
if($open_braces > 0 && substr_compare($string, command_token_end, $i, command_token_end_len) == 0)
{
$open_braces--;
if($open_braces == 0 && $checkpoint != null)
{
// process command
$command_len = $i - $checkpoint;
// echo "(".substr($string, $checkpoint, $command_len).")\n";
// set
if($command_len >= 3 && substr_compare($string, 'set', $checkpoint, 3) == 0
&& ($command_len > 3 ? $this->_is_space($string[$checkpoint + 3]) : true))
{
$start_i = $checkpoint + 4;
if($start_i < $i)
{
$eq_token_pos = strpos($string, '=', $start_i);
if($eq_token_pos !== false)
{
$value_idx = $eq_token_pos + 1;
$var_id = trim(substr($string, $start_i, $eq_token_pos - $start_i), " \n\t\v");
$var_value = $this->process_templates($string, $value_idx, $i);
$code = '';
if(str_contains($var_id, '.'))
{
$ids = explode('.', $var_id);
$var_code = '$VAR[\'' . $ids[0] . '\']';
for($k = 1; $k < count($ids); ++$k)
$var_code .= '[\'' . $ids[$k] . '\']';
$code = $var_code . ' = ' . $var_value . ';';
}
else
{
$var_code = '$VAR[\'' . $var_id . '\']';
}
$code = $var_code . ' = ' . $var_value . ';';
eval($code);
}
}
}
// set_if_not_set
else if($command_len >= 14 && substr_compare($string, 'set_if_not_set', $checkpoint, 14) == 0
&& ($command_len > 14 ? $this->_is_space($string[$checkpoint + 14]) : true))
{
$start_i = $checkpoint + 15;
if($start_i < $i)
{
$eq_token_pos = strpos($string, '=', $start_i);
if($eq_token_pos !== false)
{
$value_idx = $eq_token_pos + 1;
$var_id = trim(substr($string, $start_i, $eq_token_pos - $start_i), " \n\t\v");
$var_value = $this->process_templates($string, $value_idx, $i);
$var_code = '';
if(str_contains($var_id, '.'))
{
$ids = explode('.', $var_id);
$var_code = '$VAR[\'' . $ids[0] . '\']';
for($k = 1; $k < count($ids); ++$k)
$var_code .= '[\'' . $ids[$k] . '\']';
}
else
{
$var_code = '$VAR[\'' . $var_id . '\']';
}
$code = 'if(!isset(' . $var_code . '))' . $var_code . ' = ' . $var_value . ';';
eval($code);
}
}
}
// set_if_null
else if($command_len >= 11 && substr_compare($string, 'set_if_null', $checkpoint, 11) == 0
&& ($command_len > 11 ? $this->_is_space($string[$checkpoint + 11]) : true))
{
$start_i = $checkpoint + 12;
if($start_i < $i)
{
$eq_token_pos = strpos($string, '=', $start_i);
if($eq_token_pos !== false)
{
$value_idx = $eq_token_pos + 1;
$var_id = trim(substr($string, $start_i, $eq_token_pos - $start_i), " \n\t\v");
$var_value = $this->process_templates($string, $value_idx, $i);
$var_code = '';
if(str_contains($var_id, '.'))
{
$ids = explode('.', $var_id);
$var_code = '$VAR[\'' . $ids[0] . '\']';
for($k = 1; $k < count($ids); ++$k)
$var_code .= '[\'' . $ids[$k] . '\']';
}
else
{
$var_code = '$VAR[\'' . $var_id . '\']';
}
$code = 'if(!isset(' . $var_code. ') || ' . $var_code . ' === null)' . $var_code . ' = ' . $var_value . ';';
// echo "$code\n";
eval($code);
}
}
}
// include
else if($command_len >= 7 && substr_compare($string, 'include', $checkpoint, 7) == 0
&& ($command_len > 7 ? $this->_is_space($string[$checkpoint + 7]) : true))
{
$start_i = $checkpoint + 8;
if($start_i < $i)
{
$template_name = '';
$params_len = $i - $start_i;
$params = substr($string, $start_i, $params_len);
$flag_i = $this->_token_pos($params, ':', 0, $params_len);
$flag = '';
if($flag_i !== false)
{
$template_name = $this->process_templates($params, 0, $flag_i);
$flag = substr($params, $flag_i + 1);
$flag = trim($flag, " \n\t\v");
}
else
{
$template_name = $this->process_templates($params, 0, $params_len);
}
$template_name = trim($template_name, " \n\t\v'\"");
$file_name = str_replace('.', '/', $template_name) . $this->extension['template'];
$file_path = $this->dir['templates'] . $file_name;
$result = null;
// echo "$template_name|$file_name\n";
if(file_exists($file_path))
{
$contents = file_get_contents($file_path);
$result = $this->process_templates($contents);
}
if($flag_i !== false)
{
if(substr_compare($flag, 'noerror', 0, 7) == 0)
{
if($result === null)
$result = '';
}
else if(substr_compare($flag, 'onerror', 0, 7) == 0)
{
if($result === null)
{
$VAR['this'] = array('template_name' => $template_name);
$result = $this->process_templates($flag, 8);
$VAR['this'] = null;
}
}
}
if($result === null)
{
$result = "<div class=\"alert alert-danger\"><strong>Error (include):</strong> Template '$template_name' not found!</div>";
}
$new_string .= $result;
$j += strlen($result);
}
}
// import
else if($command_len >= 6 && substr_compare($string, 'import', $checkpoint, 6) == 0
&& ($command_len > 6 ? $this->_is_space($string[$checkpoint + 6]) : true))
{
$start_i = $checkpoint + 7;
if($start_i < $i)
{
$class_name = '';
$params_len = $i - $start_i;
$params = substr($string, $start_i, $params_len);
$flag_i = $this->_token_pos($params, ':', 0, $params_len);
$flag = '';
if($flag_i !== false)
{
$class_name = $this->process_templates($params, 0, $flag_i);
$flag = substr($params, $flag_i + 1);
$flag = trim($flag, " \n\t\v");
}
else
{
$class_name = $this->process_templates($params, 0, $params_len);
}
$class_name = trim($class_name, " \n\t\v'\"");
$file_name = str_replace('.', '/', $class_name) . $this->extension['class'];
$file_path = $this->dir['class'] . $file_name;
$result = false;
if(file_exists($file_path))
{
require_once($file_path);
$result = '';
}
if($flag_i !== false)
{
if(substr_compare($flag, 'retbool', 0, 7) == 0)
{
$result = $result ? 'true' : 'false';
}
else if(substr_compare($flag, 'retint', 0, 6) == 0)
{
$result = $result ? '1' : '0';
}
else if(substr_compare($flag, 'noerror', 0, 7) == 0)
{
if($result === false)
$result = '';
}
else if(substr_compare($flag, 'onerror', 0, 7) == 0)
{
if($result === false)
{
$VAR['this'] = array('class_name' => $class_name);
$result = $this->process_templates($flag, 8);
$VAR['this'] = null;
}
else
$result = '';
}
}
if($result === false)
{
$result = "<div class=\"alert alert-danger\"><strong>Error (import):</strong> Class '$class_name' not found!</div>";
}
$new_string .= $result;
$j += strlen($result);
}
}
// eval
else if($command_len >= 4 && substr_compare($string, 'eval', $checkpoint, 4) == 0
&& ($command_len > 4 ? $this->_is_space($string[$checkpoint + 4]) : true))
{
$start_i = $checkpoint + 5;
if($start_i < $i)
{
$rcode = $this->process_templates($string, $start_i, $i);
// echo "$rcode\n";
$code = '{ return ' . $rcode . '; }';
$result = eval($code);
$new_string .= $result;
$j += strlen($result);
}
}
// exec
else if($command_len >= 4 && substr_compare($string, 'exec', $checkpoint, 4) == 0
&& ($command_len > 4 ? $this->_is_space($string[$checkpoint + 4]) : true))
{
$start_i = $checkpoint + 5;
if($start_i < $i)
{
$rcode = $this->process_templates($string, $start_i, $i);
$code = '{' . $rcode . '; return null; }';
// echo "$code\n";
$result = eval($code);
if($result !== null)
{
$new_string .= $result;
$j += strlen($result);
}
}
}
// trim
else if($command_len >= 4 && substr_compare($string, 'trim', $checkpoint, 4) == 0
&& ($command_len > 4 ? $this->_is_space($string[$checkpoint + 4]) : true))
{
$start_i = $checkpoint + 5;
if($start_i < $i)
{
$result = $this->process_templates($string, $start_i, $i);
$result = trim($result);
if($result !== null)
{
$new_string .= $result;
$j += strlen($result);
}
}
}
// exit
else if($command_len >= 4 && substr_compare($string, 'exit', $checkpoint, 4) == 0
&& ($command_len > 4 ? $this->_is_space($string[$checkpoint + 4]) : true))
{
$this->_exiting = true;
return $new_string;
}
// if
else if($command_len >= 2 && substr_compare($string, 'if', $checkpoint, 2) == 0
&& ($command_len > 2
? ($this->_is_space($string[$checkpoint + 2]) || $string[$checkpoint + 2] == '(')
: true))
{
$start_i = $checkpoint + ($string[$checkpoint + 2] == '(' ? 2 : 3);
if($start_i < $i)
{
$end_i = $i;
$processing_if = true;
$expecting_condition = true;
$cur_i = $start_i;
$rcondition = false;
while(!$rcondition && $cur_i < $end_i)
{
if($processing_if)
{
$processing_if = false;
}
else
{
// skip spaces
for(; $cur_i < $end_i; ++$cur_i)
{
$ch = $string[$cur_i];
if(!($this->_is_space($ch)))
break;
}
// check for 'else [if]' keyword
$len_left = $end_i - $cur_i;
if($len_left >= 7 && substr_compare($string, 'else if', $cur_i, 7) == 0
&& ($len_left > 7
? ($string[$cur_i + 7] == '(' || $this->_is_space($string[$cur_i + 7]))
: true)
)
{
// echo "{{else if}}\n";
$cur_i += $string[$cur_i] == '(' ? 7 : 8;
$expecting_condition = true;
}
else if($len_left >= 4 && substr_compare($string, 'else', $cur_i, 4) == 0
&& ($len_left > 4
? ($string[$cur_i + 4] == '(' || $this->_is_space($string[$cur_i + 4]))
: true))
{
// echo "{{else}}\n";
$cur_i += $string[$cur_i] == '{' ? 4 : 5;
$expecting_condition = false;
$rcondition = true;
}
}
if(!$rcondition && $expecting_condition)
{
$condition_start_i = $cur_i;
$condition_end_i = $cur_i;
$open_parenthesis = 0;
$enclosed = false;
for(; $cur_i < $end_i; ++$cur_i)
{
$ch = $string[$cur_i];
if($ch == '(')
{
if($open_parenthesis == 0)
$condition_start_i = $cur_i;
$open_parenthesis++;
$enclosed = true;
}
else if($ch == ')')
{
$open_parenthesis--;
}
else if($open_parenthesis <= 0)
{
if($this->_is_space($ch))
{
$condition_end_i = $cur_i;
break;
}
else if($enclosed)
{
$condition_end_i = $cur_i - 1;
break;
}
}
}
$condition = $this->process_templates($string, $condition_start_i, $condition_end_i);
$condition = trim($condition, " \n\t\v");
// echo "[$condition] \{" . substr($string, $condition_end_i + 1, $end_i - $condition_end_i) . "\}\n";
$rcondition = ($condition == null || $condition == '')
? false
: eval('return ' . $condition . ';');
}
// find block indices and process it
{
$block_start_i = $cur_i + 1;
$block_end_i = $end_i;
// find block indices
{
$open_block_tokens = 0;
for($cur_i = $block_start_i; $cur_i < $end_i; ++$cur_i)
{
$ch = $string[$cur_i];
if($ch == '{')
{
if($open_block_tokens == 0)
$block_start_i = $cur_i + 1;
$open_block_tokens++;
}
else if($ch == '}')
{
$open_block_tokens--;
if($open_block_tokens <= 0)
{
$block_end_i = $cur_i;
break;
}
}
}
}
// echo "[$condition:$rcondition] \{" . substr($string, $block_start_i, $block_end_i - $block_start_i) . "\}\n";
if($rcondition)
{
// echo "[$condition:$rcondition] \{" . substr($string, $block_start_i, $block_end_i - $block_start_i) . "\}\n";
$result = $this->process_templates($string, $block_start_i, $block_end_i);
$new_string .= $result;
$j += strlen($result);
break;
}
else
{
$cur_i = $block_end_i + 1;
}
}
}
}
}
// foreach
else if($command_len >= 7 && substr_compare($string, 'foreach', $checkpoint, 7) == 0
&& ($command_len > 7
? ($this->_is_space($string[$checkpoint + 7]) || $string[$checkpoint + 7] == '(')
: true))
{
$start_i = $checkpoint + ($string[$checkpoint + 7] == '(' ? 7 : 8);
if($start_i < $i)
{
$end_i = $i;
$cur_i = $start_i;
$done = false;
while(!$done && $cur_i < $end_i)
{
{
$foreach_code_start_i = $cur_i;
$foreach_code_end_i = $cur_i;
$open_parenthesis = 0;
$enclosed = false;
for(; $cur_i < $end_i; ++$cur_i)
{
$ch = $string[$cur_i];
if($ch == '(')
{
if($open_parenthesis == 0)
$foreach_code_start_i = $cur_i;
$open_parenthesis++;
$enclosed = true;
}
else if($ch == ')')
{
$open_parenthesis--;
}
else if($open_parenthesis <= 0)
{
if($this->_is_space($ch))
{
$foreach_code_end_i = $cur_i;
break;
}
else if($enclosed)
{
$foreach_code_end_i = $cur_i - 1;
break;
}
}
}
$foreach_code = $this->process_templates($string, $foreach_code_start_i, $foreach_code_end_i);
$foreach_code = trim($foreach_code, " \n\t\v");
// echo "[$foreach_code] \{" . substr($string, $foreach_code_end_i + 1, $end_i - $foreach_code_end_i) . "\}\n";
// find block indices and process it
{
$block_start_i = $cur_i + 1;
$block_end_i = $end_i;
// find block indices
{
$open_block_tokens = 0;
for($cur_i = $block_start_i; $cur_i < $end_i; ++$cur_i)
{
$ch = $string[$cur_i];
if($ch == '}')
{
$open_block_tokens--;
if($open_block_tokens <= 0)
{
$block_end_i = $cur_i;
break;
}
}
else if($ch == '{')
{
if($open_block_tokens == 0)
$block_start_i = $cur_i + 1;
$open_block_tokens++;
}
else if($open_block_tokens <= 0 && !$this->_is_space($ch))
{
break;
}
}
}
$cur_i = $block_end_i + 1;
// if($rcondition)
{
// echo "[$foreach_code] \{" . substr($string, $block_start_i, $block_end_i - $block_start_i) . "\}\n";
$keyword_as_i = strpos($foreach_code, ' as ');
$iter_var_start_i = $keyword_as_i + 4;
$iter_var_end_i = strrpos($foreach_code, ')') - 1;
$iter_var = trim(substr($foreach_code, $iter_var_start_i, $iter_var_end_i - $iter_var_start_i + 1));
// echo "[$iter_var]\n";
$tmp_var = null;
if(isset($VAR[$iter_var]))
$tmp_var = $VAR[$iter_var];
$loop_var_code = substr($foreach_code, 1, $keyword_as_i);
// echo "$loop_var_code\n";
$loop_var = eval('return ' . $loop_var_code . ';');
// echo "{" . substr($string, $block_start_i, $block_end_i - $block_start_i) . "}\n";
foreach($loop_var as $_cloo_internal_loop_elem)
{
$VAR[$iter_var] = $_cloo_internal_loop_elem;
$result = $this->process_templates($string, $block_start_i, $block_end_i);
$new_string .= $result;
$j += strlen($result);
}
if($tmp_var !== null)
$VAR[$iter_var] = $tmp_var;
break;
}
}
}
$done = true;
}
}
}
else if($command_len > 0 && $this->_is_space($string[$checkpoint]))
{
$error = "<div class=\"alert alert-danger\"><strong>Syntax Error:</strong> Space after `" . '{$' . "`! Expecting valid id.</div>";
$new_string .= $error;
$j += strlen($error);
// return $new_string;
}
// parse variable value
else if($command_len > 0)
{
$start_i = $checkpoint;
$end_i = $i;
$reference = substr_compare($string, reference_token, $start_i, reference_token_len) == 0;
$noreturn = false;
if($reference)
$start_i += reference_token_len;
$parameter_token_pos = $this->_token_pos($string, ':', $start_i, $end_i);
$member_access_token_pos = $this->_token_pos($string, '->', $start_i, $end_i);
$array_access_token_pos = $this->_token_pos($string, '[', $start_i, $end_i);
$function_call_token_pos = $this->_token_pos($string, '(', $start_i, $end_i);
$default_value = null;
if($parameter_token_pos === false)
$parameter_token_pos = $end_i;
if($member_access_token_pos === false)
$member_access_token_pos = $end_i;
if($array_access_token_pos === false)
$array_access_token_pos = $end_i;
if($function_call_token_pos === false)
$function_call_token_pos = $end_i;
$var_id_end_i = min(array(
$parameter_token_pos,
$member_access_token_pos,
$array_access_token_pos,
$function_call_token_pos
));
$ext_id_end_i = min(
$parameter_token_pos,
$function_call_token_pos
);
$calling_a_function = $function_call_token_pos < $end_i;
$var_id = substr($string, $start_i, $var_id_end_i - $start_i);
$var_id = trim($var_id);
$ext_id = $var_id_end_i == $end_i
? null
: substr($string, $var_id_end_i, $ext_id_end_i - $var_id_end_i);
$ext_id = trim($ext_id);
$params = $parameter_token_pos == $end_i
? null
: substr($string, $parameter_token_pos + 1, $end_i - $parameter_token_pos - 1);
$var_value = null;
$var_code = '';
$ext_code = '';
if(strpos($var_id, '.') !== false)
{
$ids = explode('.', $var_id);
$var_code = '$VAR[\'' . $ids[0] . '\']';
for($k = 1; $k < count($ids); ++$k)
$var_code .= '[\'' . $ids[$k] . '\']';
$ext_code = $var_code;
if($ext_id != null)
{
if(!($calling_a_function || $var_id_end_i == $parameter_token_pos))
$var_code .= $ext_id;
$ext_code .= $ext_id;
}
}
else
{
$var_code = '$VAR[\'' . $var_id . '\']';
$ext_code = $var_code;
if($ext_id != null)
{
if(!($calling_a_function || $var_id_end_i == $parameter_token_pos))
$var_code .= $ext_id;
$ext_code .= $ext_id;
}
}
// echo "$var_code|$ext_id|$params\n";
// echo "$ext_code|$params\n";
// process parameters
for($cur_i = $parameter_token_pos; $cur_i < $end_i; ++$cur_i)
{
if(substr_compare($string, 'default{', $cur_i, 8) == 0)
{
if($var_value == null)
{
$cur_i += 7;
$block_start_i = $cur_i;
$block_end_i = $end_i;
// find block indices
{
$open_block_tokens = 0;
for($cur_i = $block_start_i; $cur_i < $end_i; ++$cur_i)
{
$ch = $string[$cur_i];
if($ch == '{')
{
if($open_block_tokens == 0)
$block_start_i = $cur_i + 1;
$open_block_tokens++;
}
else if($ch == '}')
{
$open_block_tokens--;
if($open_block_tokens <= 0)
{
$block_end_i = $cur_i;
break;
}
}
}
}
$default_value = $this->process_templates($string, $block_start_i, $block_end_i);
// echo "$default_value\n";
$cur_i = $block_end_i;
}
}
else if(substr_compare($string, 'ref', $cur_i, 3) == 0)
{
$reference = true;
$cur_i += 3;
}
else if(substr_compare($string, 'noreturn', $cur_i, 8) == 0)
{