<?php

function altsys_mylangadmin_get_constant_names( $langfile_unique_path , $mydirname )
{
	$constpref = '' ;
	$langfile_names = array() ;
	$reqonce_ret = 0 ;
	$already_read = false ;
	$langfile_fingerprint = '_MYLANGADMIN_'.md5( $langfile_unique_path ) ;

	// for debug
	//require_once XOOPS_TRUST_PATH.'/modules/pico/language/japanese/modinfo.php' ;

	// get constant_names by "require"
	if( ! defined( $langfile_fingerprint ) ) {
		$system_constants = array_keys( get_defined_constants() ) ;
		$reqonce_ret = require_once( $langfile_unique_path ) ;
		$langfile_names = array_diff( array_keys( get_defined_constants() ) , $system_constants ) ;
	}

	// We have to parse the file if it has been already included ...
	if( empty( $langfile_names ) && ( $reqonce_ret === true || defined( $langfile_fingerprint ) ) ) {
		$already_read = true ;
		$langfile_names = altsys_mylangadmin_get_constant_names_by_pcre( $langfile_unique_path ) ;
	}

	// modinfo.php of D3 module
	if( empty( $langfile_names ) && file_exists( XOOPS_ROOT_PATH.'/modules/'.$mydirname.'/mytrustdirname.php' ) /* && substr( $langfile_unique_path , -11 ) == 'modinfo.php' */ ) {
		// get $constpref
		$constpref = '' ;
		require $langfile_unique_path ;
		$langfile_names = array() ;
		if( $constpref ) foreach( array_keys( get_defined_constants() ) as $name ) {
			if( strncmp( $name , $constpref , strlen( $constpref ) ) == 0 ) {
				$langfile_names[] = $name ;
			}
		}
	}


	return array( $langfile_names , $constpref , $already_read ) ;
}


function altsys_mylangadmin_get_constant_names_by_pcre( $langfile_path )
{
	if( ! file_exists( $langfile_path ) ) return array() ;
	$file_contents = file_get_contents( $langfile_path ) ;
	preg_match_all( '/\n\s*define\(\s*(["\'])([0-9a-zA-Z_]+)\\1/iU' , $file_contents , $matches ) ;
	$langfile_names = array() ;
	foreach( $matches[2] as $name ) {
		// if( defined( $name ) )
		$langfile_names[] = $name ;
	}

	return $langfile_names ;
}


function altsys_mylangadmin_get_constants_by_pcre( $langfile_path )
{
	if( ! file_exists( $langfile_path ) ) return array() ;

	$file_contents = file_get_contents( $langfile_path ) ;
	preg_match_all( '/\n\s*define\(\s*(["\'])([0-9a-zA-Z_]+)\\1\s*\,\s*(["\'])([^\\3]+)\\3/iU' , $file_contents , $matches ) ;
	$constants = array() ;
	foreach( $matches[2] as $i => $name ) {
		$constants[ $name ] = $matches[4][$i] ;
	}

	return $constants ;
}


function altsys_mylangadmin_errordie( $target_mname , $message4disp )
{
	icms_cp_header() ;
	altsys_include_mymenu() ;
	$BC = new AltsysBreadcrumbs();
	$breadcrumbsObj =& $BC -> getInstance() ;
	$breadcrumbsObj->appendPath( XOOPS_URL.'/modules/altsys/admin/index.php?mode=admin&amp;lib=altsys&amp;page=mylangadmin' , _MI_ALTSYS_MENU_MYLANGADMIN ) ;
	$breadcrumbsObj->appendPath( '' , $target_mname ) ;
	echo '<h3>' . _MYLANGADMIN_H3_MODULE . ' : ' . $target_mname . '</h3>' ;
	echo '<p>'.$message4disp.'</p>' ;
	icms_cp_footer() ;
	exit ;
}

?>
