.
//
// ----------------------------------------------------------------------------
//
// Description : PHP class to read DOCX file into HTML format
//
// Author: Ricardo Pinto
//
// (c) Copyright:
// Ricardo Pinto
//============================================================+
class WordPHP
{
private $debug = false;
private $file;
private $rels_xml;
private $doc_xml;
private $doc_media = array();
private $last = 'none';
private $encoding = 'UTF-8';
private $tmpDir = 'tmp';
//图片目录和前缀
public $img_dir = '';
public $img_prex = '';
/**
* CONSTRUCTOR
*
* @param Boolean $debug Debug mode or not
* @return void
*/
public function __construct($debug_=null, $encoding=null)
{
if($debug_ != null) {
$this->debug = $debug_;
}
if ($encoding != null) {
$this->encoding = $encoding;
}
$this->tmpDir = dirname(__FILE__);
}
/**
* Sets the tmp directory where images will be stored
*
* @param string $tmp The location
* @return void
*/
private function setTmpDir($tmp)
{
$this->tmpDir = $tmp;
}
/**
* READS The Document and Relationships into separated XML files
*
* @param var $object The class variable to set as DOMDocument
* @param var $xml The xml file
* @param string $encoding The encoding to be used
* @return void
*/
private function setXmlParts(&$object, $xml, $encoding)
{
$object = new DOMDocument();
$object->encoding = $encoding;
$object->preserveWhiteSpace = false;
$object->formatOutput = true;
$object->loadXML($xml);
$object->saveXML();
}
/**
* 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);
}
//Get the relationships
if (($index = $zip->locateName($_xml_rels)) !== false) {
$xml_rels = $zip->getFromIndex($index);
}
// load all images if they exist
for ($i=0; $i<$zip->numFiles;$i++) {
$zip_element = $zip->statIndex($i);
if(preg_match("([^\s]+(\.(?i)(jpg|jpeg|png|gif|bmp))$)",$zip_element['name'])) {
$this->doc_media[$zip_element['name']] = $zip_element['name'];
}
}
$zip->close();
} else die('non zip file');
$enc = mb_detect_encoding($xml);
$this->setXmlParts($this->doc_xml, $xml, $enc);
$this->setXmlParts($this->rels_xml, $xml_rels, $enc);
if($this->debug) {
echo "";
echo "";
}
}
/**
* 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());
$t = '';
// add
tags
if (mb_strstr($node,'XML($node);
$img = null;
while ($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").",";
}
$temp_rx = $reader->readInnerXml();
if($reader->name == 'w:drawing' && !empty($temp_rx)) {
$r = $this->checkImageFormating($reader);
$img = $r !== null ? "" : null;
}
}
$f = rtrim($f, ',');
$f .= "'>";
$t .= ($img !== null ? $img : htmlentities($xml->expand()->textContent));
return $f.$t."";
}
/**
* 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'] = "- ";
$ret['close'] = "
";
break;
case 2:
$ret['open'] = "";
break;
}
}
}
return $ret;
}
/**
* CHECKS IF THERE IS AN IMAGE PRESENT
* Currently under development
*
* @param XML $xml The XML node
* @return String The location of the image
*/
private function checkImageFormating(&$xml)
{
$content = trim($xml->readInnerXml());
if (!empty($content)) {
$relId;
$notfound = true;
$reader = new XMLReader();
$reader->XML($content);
while ($reader->read() && $notfound) {
if ($reader->name == "a:blip") {
$relId = $reader->getAttribute("r:embed");
$notfound = false;
}
}
// image id found, get the image location
if (!$notfound && $relId) {
$reader = new XMLReader();
$reader->XML($this->rels_xml->saveXML());
while ($reader->read()) {
if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name=='Relationship') {
if($reader->getAttribute("Id") == $relId) {
$link = "word/".$reader->getAttribute('Target');
break;
}
}
}
$zip = new ZipArchive();
$im = null;
if (true === $zip->open($this->file)) {
$im = $this->createImage($zip->getFromName($link), $relId, $link);
}
$zip->close();
return $im;
}
}
return null;
}
/**
* Creates an image in the filesystem
*
* @param objetc $image The image object
* @param string $relId The image relationship Id
* @param string $name The image name
* @return Array With HTML open and closing tag definition
*/
private function createImage($image, $relId, $name)
{
$arr = explode('.', $name);
$l = count($arr);
$ext = mb_strtolower($arr[$l-1]);
$im = imagecreatefromstring($image);
if (empty($this->img_dir)) {
$fname = $this->tmpDir.'/tmp/'.$relId.'.'.$ext;
} else {
$ext = str_ireplace('jpeg', 'jpg', $ext);
$fname = $this->img_dir.'/'.$this->img_prex.'_'.mb_strtolower($relId).'.'.$ext;
}
switch ($ext) {
case 'png':
imagepng($im, $fname);
break;
case 'bmp':
imagebmp($im, $fname);
break;
case 'gif':
imagegif($im, $fname);
break;
case 'jpeg':
case 'jpg':
imagejpeg($im, $fname);
break;
default:
return null;
}
return $fname;
}
/**
* 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'=>'');
$link ='';
if($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'] = "";
$ret['close'] = "";
}
return $ret;
}
/**
* PROCESS TABLE CONTENT
*
* @param XML $xml The XML node
* @return THe HTML code of the table
*/
private function checkTableFormating(&$xml)
{
$table = "";
while ($xml->read()) {
if ($xml->nodeType == XMLREADER::ELEMENT && $xml->name === 'w:tr') { //table row
$tc = $ts = "";
$tr = new XMLReader;
$tr->xml(trim($xml->readOuterXML()));
while ($tr->read()) {
if ($tr->nodeType == XMLREADER::ELEMENT && $tr->name === 'w:tcPr') { //table element properties
$ts = $this->processTableStyle(trim($tr->readOuterXML()));
}
if ($tr->nodeType == XMLREADER::ELEMENT && $tr->name === 'w:tc') { //table column
$tc .= $this->processTableRow(trim($tr->readOuterXML()));
}
}
$table .= ''.$tc.'
';
}
}
$table .= "
";
return $table;
}
/**
* PROCESS THE TABLE ROW STYLE
*
* @param string $content The XML node content
* @return THe HTML code of the table
*/
private function processTableStyle($content)
{
/*border-collapse:collapse;
border-bottom:4px dashed #0000FF;
border-top:6px double #FF0000;
border-left:5px solid #00FF00;
border-right:5px solid #666666;*/
$tc = new XMLReader;
$tc->xml($content);
$style = "border-collapse:collapse;";
while ($tc->read()) {
if ($tc->name === "w:tcBorders") {
$tc2 = new SimpleXMLElement($tc->readOuterXML());
foreach ($tc2->children('w',true) as $ch) {
if (in_array($ch->getName(), array('left','top','botom','right'))) {
$line = $this->convertLine($ch['val']);
$style .= " border-".$ch->getName().":".$ch['sz']."px $line #".$ch['color'].";";
}
}
$tc->next();
}
}
return $style;
}
private function convertLine($in)
{
if (in_array($in, array('dotted')))
return "dashed";
if (in_array($in, array('dotDash','dotdotDash','dotted','dashDotStroked','dashed','dashSmallGap')))
return "dashed";
if (in_array($in, array('double','triple','threeDEmboss','threeDEngrave','thick')))
return "double";
if (in_array($in, array('nil','none')))
return "none";
return "solid";
}
/**
* PROCESS THE TABLE ROW
*
* @param string $content The XML node content
* @return THe HTML code of the table
*/
private function processTableRow($content)
{
$tc = new XMLReader;
$tc->xml($content);
$ct = "";
while ($tc->read()) {
if ($tc->name === "w:r") {
$ct .= "".$this->checkFormating($tc)." | ";
$tc->next();
}
}
return $ct;
}
/**
* 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->file = $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();
//return $p;
if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name === 'w:p') {
// set up new instance of XMLReader for parsing paragraph independantly
$paragraph->xml($p);
preg_match('/ 0) ? '' : '';
// 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) ? '
' : '';
}
else if ($reader->nodeType == XMLREADER::ELEMENT && $reader->name === 'w:tbl') { //tables
$paragraph->xml($p);
$text .= $this->checkTableFormating($paragraph);
$reader->next();
}
}
$reader->close();
if($this->debug) {
echo "";
echo mb_convert_encoding($text, $this->encoding);
echo "
";
}
return mb_convert_encoding($text, $this->encoding);
}
}