class.ilBibliograficFileReaderBase.php

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<?php
require_once('./Modules/Bibliographic/interfaces/interface.ilBibliograficFileReader.php');

abstract class ilBibliograficFileReaderBase implements ilBibliograficFileReader {

        const ENCODING_UTF_8 = 'UTF-8';
        const ENCODING_ASCII = 'ASCII';
        const ENCODING_ISO_8859_1 = 'ISO-8859-1';
        protected $file_content = '';
        protected $path_to_file = '';


        public function readContent($path_to_file) {
                $this->setPathToFile($path_to_file);
                //              $this->convertFiletoUTF8();
                $this->setFileContent($this->convertStringToUTF8(file_get_contents($path_to_file)));

                return true;
        }


        protected function convertFiletoUTF8() {
                file_put_contents($this->getPathToFile(), $this->convertStringToUTF8(file_get_contents($this->getPathToFile())));
        }


        protected function convertStringToUTF8($string) {
                if (!function_exists('mb_detect_encoding') || !function_exists('mb_detect_order')
                    || !function_exists("mb_convert_encoding")
                ) {
                        return $string;
                }
                ob_end_clean();
                $mb_detect_encoding = mb_detect_encoding($string);
                mb_detect_order(array( self::ENCODING_UTF_8, self::ENCODING_ISO_8859_1 ));
                switch ($mb_detect_encoding) {
                        case self::ENCODING_UTF_8:
                                break;
                        case self::ENCODING_ASCII:
                                $string = utf8_encode(iconv(self::ENCODING_ASCII, 'UTF-8//IGNORE', $string));
                                break;
                        default:
                                $string = mb_convert_encoding($string, self::ENCODING_UTF_8, $mb_detect_encoding);
                                break;
                }

                return $string;
        }


        public function getFileContent() {
                return $this->file_content;
        }


        public function setFileContent($file_content) {
                $this->file_content = $file_content;
        }


        public function getPathToFile() {
                return $this->path_to_file;
        }


        public function setPathToFile($path_to_file) {
                $this->path_to_file = $path_to_file;
        }
}