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class.wordphp.php
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class.wordphp.php
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<?php
//============================================================+
// File name : class.wordphp.php
// Begin : 2014-03-09
// Last Update : 2014-08-08
// Version : 1.0
// License : GNU LGPL (http://www.gnu.org/copyleft/lesser.html)
// ----------------------------------------------------------------------------
// Copyright (C) 20014 Ricardo Pinto
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 2.1 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------
//
// Description : PHP class to read DOCX file into HTML format
//
// Author: Ricardo Pinto
//
// (c) Copyright:
// Ricardo Pinto
//============================================================+
class WordPHP
{
private $debug = false;
private $rels_xml;
private $doc_xml;
private $last = 'none';
/**
* CONSTRUCTOR
*
* @param Boolean $debug Debug mode or not
* @return void
*/
public function __construct($debug_=null){
if($debug_ != null)
$this->debug = $debug_;
}
/**
* READS The Document and Relationships into separated XML files
*
* @param String $filename The filename
* @return void
*/
private function readZipPart($filename){
$zip = new ZipArchive();
$_xml = 'word/document.xml';
$_xml_rels = 'word/_rels/document.xml.rels';
if (true === $zip->open($filename)) {
if (($index = $zip->locateName($_xml)) !== false) {
$xml = $zip->getFromIndex($index);
}
$zip->close();
} else die('non zip file');
if (true === $zip->open($filename)) {
if (($index = $zip->locateName($_xml_rels)) !== false) {
$xml_rels = $zip->getFromIndex($index);
}
$zip->close();
} else die('non zip file');
$this->doc_xml = new DOMDocument();
$this->doc_xml->encoding = mb_detect_encoding($xml);
$this->doc_xml->preserveWhiteSpace = false;
$this->doc_xml->formatOutput = true;
$this->doc_xml->loadXML($xml);
$this->doc_xml->saveXML();
$this->rels_xml = new DOMDocument();
$this->rels_xml->encoding = mb_detect_encoding($xml);
$this->rels_xml->preserveWhiteSpace = false;
$this->rels_xml->formatOutput = true;
$this->rels_xml->loadXML($xml_rels);
$this->rels_xml->saveXML();
if($this->debug){
echo "<textarea style='width:100%; height: 200px;'>";
echo $this->doc_xml->saveXML();
echo "</textarea>";
echo "<textarea style='width:100%; height: 200px;'>";
echo $this->rels_xml->saveXML();
echo "</textarea>";
}
}
/**
* CHECKS THE FONT FORMATTING OF A GIVEN ELEMENT
* Currently checks and formats: bold, italic, underline, background color and font family
*
* @param XML $xml The XML node
* @return String HTML formatted code
*/
private function checkFormating(&$xml)
{
$node = trim($xml->readOuterXML());
// add <br> tags
if (strstr($node,'<w:br ')) $text .= '<br>';
// look for formatting tags
$f = "<span style='";
$reader = new XMLReader();
$reader->XML($node);
while ($reader->read())
{
if($reader->name == "w:b")
$f .= "font-weight: bold,";
if($reader->name == "w:i")
$f .= "text-decoration: underline,";
if($reader->name == "w:color")
$f .="color: #".$reader->getAttribute("w:val").",";
if($reader->name == "w:rFont")
$f .="font-family: #".$reader->getAttribute("w:ascii").",";
if($reader->name == "w:shd" && $reader->getAttribute("w:val") != "clear" && $reader->getAttribute("w:fill") != "000000")
$f .="background-color: #".$reader->getAttribute("w:fill").",";
}
$f = rtrim($f, ',');
$f .= "'>";
return $f.htmlentities($xml->expand()->textContent)."</span>";
}
/**
* CHECKS THE ELEMENT FOR UL ELEMENTS
* Currently under development
*
* @param XML $xml The XML node
* @return String HTML formatted code
*/
private function getListFormating(&$xml)
{
$node = trim($xml->readOuterXML());
$reader = new XMLReader();
$reader->XML($node);
$ret="";
$close = "";
while ($reader->read())
{
if($reader->name == "w:numPr" && $reader->nodeType == XMLReader::ELEMENT )
{
}
if($reader->name == "w:numId" && $reader->hasAttributes)
{
switch($reader->getAttribute("w:val"))
{
case 1:
$ret['open'] = "<ol><li>";
$ret['close'] = "</li></ol>";
break;
case 2:
$ret['open'] = "<ul><li>";
$ret['close'] = "</li></ul>";
break;
}
}
}
return $ret;
}
/**
* CHECKS IF THERE IS AN IMAGE PRESENT
* Currently under development
*
* @param XML $xml The XML node
* @return String HTML formatted code
*/
private function checkImageFormating(&$xml){
}
/**
* CHECKS IF ELEMENT IS AN HYPERLINK
*
* @param XML $xml The XML node
* @return Array With HTML open and closing tag definition
*/
private function getHyperlink(&$xml)
{
$ret = array('open'=>'<ul>','close'=>'</ul>');
$link ='';
if($xml->hasAttributes)
{
$attribute = "";
while($xml->moveToNextAttribute())
{
if($xml->name == "r:id")
$attribute = $xml->value;
}
if($attribute != "")
{
$reader = new XMLReader();
$reader->XML($this->rels_xml->saveXML());
while ($reader->read())
{
if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name=='Relationship')
{
if($reader->getAttribute("Id") == $attribute){
$link = $reader->getAttribute('Target');
break;
}
}
}
}
}
if($link != "")
{
$ret['open'] = "<a href='".$link."' target='_blank'>";
$ret['close'] = "</a>";
}
return $ret;
}
/**
* READS THE GIVEN DOCX FILE INTO HTML FORMAT
*
* @param String $filename The DOCX file name
* @return String With HTML code
*/
public function readDocument($filename) {
$this->readZipPart($filename);
$reader = new XMLReader();
$reader->XML($this->doc_xml->saveXML());
$text = ''; $list_format="";
$formatting['header'] = 0;
// loop through docx xml dom
while ($reader->read()){
// look for new paragraphs
$paragraph = new XMLReader;
$p = $reader->readOuterXML();
if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name === 'w:p'){
// set up new instance of XMLReader for parsing paragraph independantly
$paragraph->xml($p);
preg_match('/<w:pStyle w:val="(Heading.*?[1-6])"/',$p,$matches);
if(isset($matches[1])){
switch($matches[1]){
case 'Heading1': $formatting['header'] = 1; break;
case 'Heading2': $formatting['header'] = 2; break;
case 'Heading3': $formatting['header'] = 3; break;
case 'Heading4': $formatting['header'] = 4; break;
case 'Heading5': $formatting['header'] = 5; break;
case 'Heading6': $formatting['header'] = 6; break;
default: $formatting['header'] = 0; break;
}}
// open h-tag or paragraph
$text .= ($formatting['header'] > 0) ? '<h'.$formatting['header'].'>' : '<p>';
// loop through paragraph dom
while ($paragraph->read()){
// look for elements
if ($paragraph->nodeType == XMLREADER::ELEMENT && $paragraph->name === 'w:r'){
if($list_format == "")
$text .= $this->checkFormating($paragraph);
else
{
$text .= $list_format['open'];
$text .= $this->checkFormating($paragraph);
$text .= $list_format['close'];
}
$list_format ="";
$paragraph->next();
}
else if($paragraph->nodeType == XMLREADER::ELEMENT && $paragraph->name === 'w:pPr'){ //lists
$list_format = $this->getListFormating($paragraph);
$paragraph->next();
}
else if($paragraph->nodeType == XMLREADER::ELEMENT && $paragraph->name === 'w:drawing'){ //images
$text .= $this->checkImageFormating($paragraph);
$paragraph->next();
}
else if ($paragraph->nodeType == XMLREADER::ELEMENT && $paragraph->name === 'w:hyperlink'){
$hyperlink = $this->getHyperlink($paragraph);
$text .= $hyperlink['open'];
$text .= $this->checkFormating($paragraph);
$text .= $hyperlink['close'];
$paragraph->next();
}
}
$text .= ($formatting['header'] > 0) ? '</h'.$formatting['header'].'>' : '</p>';
}
}
$reader->close();
if($this->debug){
echo "<div style='width:100%; height: 200px;'>";
echo iconv("ISO-8859-1", "UTF-8",$text);
echo "</div>";
}
return iconv("ISO-8859-1", "UTF-8",$text);
}
}