1<?php 2namespace Fisharebest\Webtrees\Report; 3 4/** 5 * webtrees: online genealogy 6 * Copyright (C) 2015 webtrees development team 7 * This program is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18use Fisharebest\Webtrees\Date; 19 20/** 21 * Class ReportParserBase 22 */ 23class ReportParserBase { 24 /** @var resource The XML parser */ 25 protected $xml_parser; 26 27 /** @var string Text contents of tags */ 28 protected $text = ''; 29 30 /** 31 * Create a parser for a report 32 * 33 * @param string $report The XML filename 34 */ 35 public function __construct($report) { 36 $this->xml_parser = xml_parser_create(); 37 xml_parser_set_option($this->xml_parser, XML_OPTION_CASE_FOLDING, false); 38 xml_set_element_handler($this->xml_parser, array($this, 'startElement'), array($this, 'endElement')); 39 xml_set_character_data_handler($this->xml_parser, array($this, 'characterData')); 40 41 $fp = fopen($report, 'r'); 42 while (($data = fread($fp, 4096))) { 43 if (!xml_parse($this->xml_parser, $data, feof($fp))) { 44 throw new \DomainException(sprintf( 45 'XML error: %s at line %d', 46 xml_error_string(xml_get_error_code($this->xml_parser)), 47 xml_get_current_line_number($this->xml_parser) 48 )); 49 } 50 } 51 52 xml_parser_free($this->xml_parser); 53 } 54 55 /** 56 * XML handler for an opening (or self-closing) tag. 57 * 58 * @param resource $parser The resource handler for the xml parser 59 * @param string $name The name of the xml element parsed 60 * @param string[] $attrs An array of key value pairs for the attributes 61 */ 62 public function startElement($parser, $name, $attrs) { 63 $method = $name . 'StartHandler'; 64 if (method_exists($this, $method)) { 65 $this->$method($attrs); 66 } 67 } 68 69 /** 70 * XML handler for a closing tag. 71 * 72 * @param resource $parser the resource handler for the xml parser 73 * @param string $name the name of the xml element parsed 74 */ 75 public function endElement($parser, $name) { 76 $method = $name . 'EndHandler'; 77 if (method_exists($this, $method)) { 78 $this->$method(); 79 } 80 } 81 82 /** 83 * XML handler for character data. 84 * 85 * @param resource $parser The resource handler for the xml parser 86 * @param string $data The name of the xml element parsed 87 */ 88 public function characterData($parser, $data) { 89 $this->text .= $data; 90 } 91} 92