forked from Wavyzz/dolibarr
81 lines
2.4 KiB
PHP
81 lines
2.4 KiB
PHP
<?php
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/**
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* escpos-php, a Thermal receipt printer library, for use with
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* ESC/POS compatible printers.
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*
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* Copyright (c) 2014-2015 Michael Billington <michael.billington@gmail.com>,
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* incorporating modifications by:
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* - Roni Saha <roni.cse@gmail.com>
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* - Gergely Radics <gerifield@ustream.tv>
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* - Warren Doyle <w.doyle@fuelled.co>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* PrintConnector for passing print data to a file.
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*/
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class FilePrintConnector implements PrintConnector {
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/**
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* @var resource The file pointer to send data to.
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*/
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protected $fp;
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/**
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* Construct new connector, given a filename
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*
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* @param string $filename
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*/
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public function __construct($filename) {
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$this -> fp = fopen($filename, "wb+");
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if($this -> fp === false) {
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throw new Exception("Cannot initialise FilePrintConnector.");
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}
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}
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public function __destruct() {
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if($this -> fp !== false) {
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trigger_error("Print connector was not finalized. Did you forget to close the printer?", E_USER_NOTICE);
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}
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}
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/**
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* Close file pointer
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*/
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public function finalize() {
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fclose($this -> fp);
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$this -> fp = false;
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}
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/* (non-PHPdoc)
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* @see PrintConnector::read()
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*/
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public function read($len) {
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rewind($this -> fp);
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return fgets($this -> fp, $len + 1);
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}
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/**
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* Write data to the file
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*
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* @param string $data
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*/
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public function write($data) {
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fwrite($this -> fp, $data);
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}
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}
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