/**
* Reads a config template and config file and parses them for documented
* and undocumented config entries.
*
* @param String config_path file path to the config file
* @param String config_template_path file path to the config template
*/
function Config($config_path = NULL, $config_template_path = NULL)
{
$this->config_path = $config_path;
$this->config_template_path = $config_template_path;
$this->entries = array();
$this->undocumented_entries = array();
$config = NULL;
if (is_string($config_template_path)) {
if (!file_exists($config_template_path) || !is_array($config = file($config_template_path))) {
throw new Exception("Could not read config template file: " . $this->config_template_path);
}
} else {
if (is_array($config_template_path)) {
$config = $config_template_path;
}
}
if (is_array($config)) {
// parse config template
$current_question = NULL;
$current_type = NULL;
$current_info = NULL;
foreach ($config as $line) {
$match = array();
// new question:
if (preg_match("#^([ \t]*///[ \t]*)(" . implode("|", ConfigEntry::get_config_types()) . ")([ \t]*:[ \t]*)(.*)[ \t]*\$#i", $line, $match) > 0) {
$current_type = $match[2];
$current_question = $match[4];
$current_info = NULL;
continue;
}
// additional info:
if (preg_match("#^([ \t]*///[ \t]*)([^/].*)[ \t]*\$#", $line, $match) > 0) {
if (!is_string($current_info)) {
$current_info = "";
}
$current_info .= $match[2];
continue;
}
// config entry:
if (preg_match("#^([ \t]*)([ \t]*define[ \t]*\\([ \t]*\")([a-zA-Z0-9_]+)(\"[ \t]*,[ \t]*)\"?(?U)(.*)(?-U)\"?([ \t]*\\)[ \t]*;.*)\$#", $line, $match) > 0) {
if (!is_string($current_type) || !is_string($current_question)) {
$this->add_undocumented_entry($match[3], $match[5]);
continue;
}
$this->add_entry($match[3], $current_type, $current_question, $current_info, ConfigEntry::config_value_to_answer($current_type, $match[5]), NULL);
continue;
}
// other comment:
if (preg_match("#^[ \t]*//.*\$#", $line) > 0) {
continue;
}
// otherwise, the current config entry ends:
$current_type = NULL;
$current_question = NULL;
$current_info = NULL;
}
}
$config = NULL;
if (is_string($config_path)) {
if (!file_exists($config_path) || !is_array($config = file($config_path))) {
$config = NULL;
}
} else {
if (is_array($config_path)) {
$config = $config_path;
}
}
if (is_array($config)) {
// parse config file
$config = file($config_path);
foreach ($config as $line) {
// scan undocumented entries:
$match = array();
if (preg_match("#^([ \t]*)([ \t]*define[ \t]*\\([ \t]*\")([a-zA-Z0-9_]+)(\"[ \t]*,[ \t]*)\"?(?U)(.*)(?-U)\"?([ \t]*\\)[ \t]*;.*)\$#", $line, $match) < 1) {
continue;
}
if (is_object($this->get_undocumented_entry($match[3]))) {
$this->get_undocumented_entry($match[3])->set_config_answer($match[5]);
}
}
if (is_array($config)) {
foreach ($this->entries as $entry) {
$entry->parse_config($config);
}
}
}
}
