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readDocument.php
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readDocument.php
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<?php
/*************************************************************************
File Name: rwDocument.php
Author: chliny
mail: chliny11@gmail.com
Created Time: 2013年01月27日 星期日 12时51分20秒
************************************************************************/
/*
* depends on xpdf catdoc
*/
class readDocument{
public function __construct(){
}
public function __destruct(){
$command = 'rm -rf /tmp/rwDocument/*';
exec($command);
}
/*
* get the type of the file
*/
private function getFileType($escapeFile){
if(empty($escapeFile)){
echo "ERROR:no file input!\n";
exit;
}
$command = "file -i $escapeFile";
$fileMime = exec($command);
$matches = array();
preg_match('/: ((\w|\/)*?);/',$fileMime,$matches);
return $matches[1];
}
/*
* read the content in the File
* @inputPath: the file to be readed or written
* @operation: read or write
* @return the content of the file
*/
public function read($file,$type=NULL){
if(empty($type))
$type = $this->getFileType($file);
$content;
if($type == "application/pdf"){
$content = $this->readPDF($file);
}else if($type == "application/msword"){
$content = $this->readWord($file);
}else if($type == "application/zip"){
$content = $this->readZIP($file);
}else if($type == "inode/directory"){
$content = $this->readDIR($file);
}else if($type == "text/plain"){
$content = $this->readTXT($file);
}
return $content;
}
/*
* read txt document
*/
private function readTXT($file){
$content = file_get_contents($file);
return $content;
}
/*
* read document in the directory
*/
private function readDIR($file){
$file = trim($file);
if($file[strlen($file)-1] != '/'){
$file .= '/';
}
$dir = opendir($file);
$content;
while(false !== ($document = readdir($dir))){
if($document[0] == '.')
continue;
$name = $file . $document;
$result = $this->read($name);
$content[$document] = $result;
}
closedir($dir);
return $content;
}
/*
* read ms word document;
*/
private function readWord($file){
$fileArr = explode('.',$file);
$suffix = $fileArr[1];
$suffix = trim($suffix);
$content;
if($suffix == "doc"){
$content = $this->readDOC($file);
}else if($suffix == "docx"){
$content = $this->readDOCX($file);
}else{
echo "could mot confirm the document!\n";
exit;
}
return $content;
}
/*
* read ms word with DOC suffix
*/
private function readDOC($file){
$escapeFile = escapeshellarg($file);
$command = "catdoc $escapeFile";
return $this->writeContent($command);
}
/*
* read ms word with DOCX suffix
*/
private function readDOCX($file){
$docxZip = new ZipArchive;
$docxZipRes = $docxZip->open($file);
if($docxZipRes === true){
$content = $docxZip->getFromName('word/document.xml');
$content = preg_replace('/\<\/w\:p\>/',"\n",$content);
$content = strip_tags($content,"\n");
$docxZip->close($file);
}else{
echo "ERROR: $docxZipRes\n";
exit;
}
return $content;
}
/*
* read zip document
*/
private function readZIP($file){
$zip = new ZipArchive;
$zipRes = $zip->open($file);
$thisContent = array();
if($zipRes === true){
$zipLen = $zip->numFiles;
for($index=0;$index < $zipLen;++$index){
$zipStat = $zip->statIndex($index);
if($zipStat['comp_method'] == 0) //dir
continue;
$name = $zipStat['name'];
if(preg_match('/\.pdf|\.doc|\.xls\.xlsx/i',$name) > 0){
$extract = $zip->extractTo('/tmp/rwDocument/',$name);
$thisFile = "/tmp/rwDocument/$name";
$content = $this->read($thisFile);
$thisContent[$name] = $content;
if(preg_match('/\.docx/',$name) > 0){
++$index;
$zipStat = $zip->statIndex($index);
while(preg_match('/\.xml|\.rels/',$zipStat['name']) > 0){
++$index;
$zipStat = $zip->statIndex($index);
}
--$index;
}
}else{
$thisContent[$name] = $zip->getFromIndex($index);
}
}
$zip->close();
}else{
echo "ERROR: $zipRes\n";
exit;
}
return $this->zipStandize($thisContent);
}
/*
* standize the output_of zip content
*/
private function zipStandize($content){
$result = array();
foreach($content as $name => $value){
$nameArr = explode('/',$name);
$len = count($nameArr);
$i = $len-1;
$temp = array();
$temp[$nameArr[$i--]] = $value;
while($i>=0){
$temp2 = $temp;
$temp = array();
$temp[$nameArr[$i--]] = $temp2;
}
$result = array_merge_recursive($result,$temp);
}
return $result;
}
/*
* read PDF document
*/
private function readPDF($file){
$escapeFile = escapeshellarg($file);
$command = "pdftotext $escapeFile -";
$this->writeContent($command);
}
/*
* execute the $command and write the
*/
private function writeContent($command){
$output = array();
exec($command,$output);
$content = implode("\n",$output);
return $content;
}
}
?>