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<?php
function read_config($config_file, $debug = 0) {
$fp = fopen($config_file,'r');
if(!is_resource($fp)) die("Can't open config file $config_file");
$file_data = fread($fp,filesize($config_file));
fclose($fp);
// explode the var by \n's
$data = explode("\n",$file_data);
if($debug) echo "<pre>";
$count = 0;
$config_name = '';
foreach($data as $value)
{
$count++;
if (preg_match("/^\[([A-Za-z]+)\]$/",$value,$matches))
{
// If we have previous data put it into $results...
if (!empty($config_name) && count(${$config_name})) $results[$config_name] = ${$config_name};
$config_name = $matches[1];
} // if it is a [section] name
elseif ($config_name)
{
// if it's not a comment
if (preg_match("/^(\w[\w\d]*)\s*=\s*\"{1}(.*?)\"{1};*$/",$value,$matches)
|| preg_match("/^(\w[\w\d]*)\s*=\s*\'{1}(.*?)\'{1};*$/", $value, $matches)
|| preg_match("/^(\w[\w\d]*)\s*=\s*[\'\"]{0}(.*)[\'\"]{0};*$/",$value,$matches))
{
if (isset(${$config_name}[$matches[1]]) && is_array(${$config_name}[$matches[1]]) && isset($matches[2]) )
{
if($debug)
echo "Adding value <strong>$matches[2]</strong> to existing key <strong>$matches[1]</strong>\n";
array_push(${$config_name}[$matches[1]], $matches[2]);
}
elseif (isset(${$config_name}[$matches[1]]) && isset($matches[2]) )
{
if($debug)
echo "Adding value <strong>$matches[2]</strong> to existing key $matches[1]</strong>\n";
${$config_name}[$matches[1]] = array(${$config_name}[$matches[1]],$matches[2]);
}
elseif ($matches[2] !== "")
{
if($debug)
echo "Adding value <strong>$matches[2]</strong> for key <strong>$matches[1]</strong>\n";
${$config_name}[$matches[1]] = $matches[2];
}
// if there is something there and it's not a comment
elseif ($value{0} !== "#" AND strlen(trim($value)) > 0)
{
echo "Error Invalid Config Entry --> Line:$count"; die;
} // else if it's not a comment and there is something there
else
{
if($debug)
echo "Key <strong>$matches[1]</strong> defined, but no value set\n";
}
} // end if it's not a comment
} // else if no config_name
elseif (preg_match("/^([\w\d]+)\s+=\s+[\"]{1}(.*?)[\"]{1}$/",$value,$matches)
|| preg_match("/^([\w\d]+)\s+=\s+[\']{1}(.*?)[\']{1}$/", $value, $matches)
|| preg_match("/^([\w\d]+)\s+=\s+[\'\"]{0}(.*)[\'\"]{0}$/",$value,$matches))
{
if (is_array($results[$matches[1]]) && isset($matches[2]) )
{
if($debug)
echo "Adding value <strong>$matches[2]</strong> to existing key <strong>$matches[1]</strong>\n";
array_push($results[$matches[1]], $matches[2]);
}
elseif (isset($results[$matches[1]]) && isset($matches[2]) )
{
if($debug)
echo "Adding value <strong>$matches[2]</strong> to existing key $matches[1]</strong>\n";
$results[$matches[1]] = array($results[$matches[1]],$matches[2]);
}
elseif ($matches[2] !== "")
{
if($debug)
echo "Adding value <strong>$matches[2]</strong> for key <strong>$matches[1]</strong>\n";
$results[$matches[1]] = $matches[2];
}
// if there is something there and it's not a comment
elseif ($value{0} !== "#" AND strlen(trim($value)) > 0)
{
echo "Error Invalid Config Entry --> Line:$count"; die;
} // else if it's not a comment and there is something there
else
{
if($debug)
echo "Key <strong>$matches[1]</strong> defined, but no value set\n";
}
} // end else
} // foreach
if (count(${$config_name}))
{
$results[$config_name] = ${$config_name};
}
if($debug) echo "</pre>";
return $results;
} // end read_config
function libglue_param($param,$clobber=0)
{
static $params = array();
if(is_array($param))
//meaning we are setting values
{
foreach ($param as $key=>$val)
{
if(!$clobber && isset($params[$key]))
{
echo "Error: attempting to clobber $key = $val\n";
exit();
}
$params[$key] = $val;
}
return true;
}
else
//meaning we are trying to retrieve a parameter
{
if(isset($params[$param])) return $params[$param];
else return false;
}
}
function conf($param,$clobber=0)
{
static $params = array();
if(is_array($param))
//meaning we are setting values
{
foreach ($param as $key=>$val)
{
if(!$clobber && isset($params[$key]))
{
echo "Error: attempting to clobber $key = $val\n";
exit();
}
$params[$key] = $val;
}
return true;
}
else
//meaning we are trying to retrieve a parameter
{
if(isset($params[$param])) return $params[$param];
else return false;
}
}
function dbh($str='')
{
if($str !== '') $dbh = libglue_param(libglue_param($str));
else $dbh = libglue_param(libglue_param('dbh'));
if(!is_resource($dbh)) die("Bad database handle: $dbh");
else return $dbh;
}
|
