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tdebase/kfind/kquery.cpp

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#include <stdlib.h>
#include <qfileinfo.h>
#include <kdebug.h>
#include <kfileitem.h>
#include <kfilemetainfo.h>
#include <kapplication.h>
#include <kmessagebox.h>
#include <klocale.h>
#include <kstandarddirs.h>
#include <kzip.h>
#include "kquery.h"
KQuery::KQuery(QObject *parent, const char * name)
: QObject(parent, name),
m_sizemode(0), m_sizeboundary1(0), m_sizeboundary2(0),
m_timeFrom(0), m_timeTo(0),
job(0), m_insideCheckEntries(false), m_result(0)
{
m_regexps.setAutoDelete(true);
m_fileItems.setAutoDelete(true);
processLocate = new KProcess(this);
connect(processLocate,SIGNAL(receivedStdout(KProcess*, char*, int)),this,SLOT(slotreceivedSdtout(KProcess*,char*,int)));
connect(processLocate,SIGNAL(receivedStderr(KProcess*, char*, int)),this,SLOT(slotreceivedSdterr(KProcess*,char*,int)));
connect(processLocate,SIGNAL(processExited(KProcess*)),this,SLOT(slotendProcessLocate(KProcess*)));
// Files with these mime types can be ignored, even if
// findFormatByFileContent() in some cases may claim that
// these are text files:
ignore_mimetypes.append("application/pdf");
ignore_mimetypes.append("application/postscript");
// PLEASE update the documentation when you add another
// file type here:
ooo_mimetypes.append("application/vnd.sun.xml.writer");
ooo_mimetypes.append("application/vnd.sun.xml.calc");
ooo_mimetypes.append("application/vnd.sun.xml.impress");
// OASIS mimetypes, used by OOo-2.x and KOffice >= 1.4
//ooo_mimetypes.append("application/vnd.oasis.opendocument.chart");
//ooo_mimetypes.append("application/vnd.oasis.opendocument.graphics");
//ooo_mimetypes.append("application/vnd.oasis.opendocument.graphics-template");
//ooo_mimetypes.append("application/vnd.oasis.opendocument.formula");
//ooo_mimetypes.append("application/vnd.oasis.opendocument.image");
ooo_mimetypes.append("application/vnd.oasis.opendocument.presentation-template");
ooo_mimetypes.append("application/vnd.oasis.opendocument.presentation");
ooo_mimetypes.append("application/vnd.oasis.opendocument.spreadsheet-template");
ooo_mimetypes.append("application/vnd.oasis.opendocument.spreadsheet");
ooo_mimetypes.append("application/vnd.oasis.opendocument.text-template");
ooo_mimetypes.append("application/vnd.oasis.opendocument.text");
// KOffice-1.3 mimetypes
koffice_mimetypes.append("application/x-kword");
koffice_mimetypes.append("application/x-kspread");
koffice_mimetypes.append("application/x-kpresenter");
}
KQuery::~KQuery()
{
}
void KQuery::kill()
{
if (job)
job->kill(false);
if (processLocate->isRunning())
processLocate->kill();
m_fileItems.clear();
}
void KQuery::start()
{
m_fileItems.clear();
if(m_useLocate) //use "locate" instead of the internal search method
{
m_url.cleanPath();
processLocate->clearArguments();
*processLocate << "locate";
*processLocate << m_url.path(1).latin1();
bufferLocate=NULL;
bufferLocateLength=0;
processLocate->start(KProcess::NotifyOnExit,KProcess::AllOutput);
return;
}
if (m_recursive)
job = KIO::listRecursive( m_url, false );
else
job = KIO::listDir( m_url, false );
connect(job, SIGNAL(entries(KIO::Job *, const KIO::UDSEntryList &)),
SLOT(slotListEntries(KIO::Job *, const KIO::UDSEntryList &)));
connect(job, SIGNAL(result(KIO::Job *)), SLOT(slotResult(KIO::Job *)));
connect(job, SIGNAL(canceled(KIO::Job *)), SLOT(slotCanceled(KIO::Job *)));
}
void KQuery::slotResult( KIO::Job * _job )
{
if (job != _job) return;
job = 0;
m_result=_job->error();
checkEntries();
}
void KQuery::slotCanceled( KIO::Job * _job )
{
if (job != _job) return;
job = 0;
m_fileItems.clear();
m_result=KIO::ERR_USER_CANCELED;
checkEntries();
}
void KQuery::slotListEntries(KIO::Job*, const KIO::UDSEntryList& list)
{
KFileItem * file = 0;
KIO::UDSEntryListConstIterator end = list.end();
for (KIO::UDSEntryListConstIterator it = list.begin(); it != end; ++it)
{
file = new KFileItem(*it, m_url, true, true);
m_fileItems.enqueue(file);
}
checkEntries();
}
void KQuery::checkEntries()
{
if (m_insideCheckEntries)
return;
m_insideCheckEntries=true;
metaKeyRx=new QRegExp(m_metainfokey,true,true);
KFileItem * file = 0;
while ((file=m_fileItems.dequeue()))
{
processQuery(file);
delete file;
}
delete metaKeyRx;
m_insideCheckEntries=false;
if (job==0)
emit result(m_result);
}
/* List of files found using slocate */
void KQuery::slotListEntries( QStringList list )
{
KFileItem * file = 0;
metaKeyRx=new QRegExp(m_metainfokey,true,true);
QStringList::Iterator it = list.begin();
QStringList::Iterator end = list.end();
for (; it != end; ++it)
{
file = new KFileItem( KFileItem::Unknown, KFileItem::Unknown, KURL::fromPathOrURL(*it));
processQuery(file);
delete file;
}
delete metaKeyRx;
}
/* Check if file meets the find's requirements*/
void KQuery::processQuery( KFileItem* file)
{
QRegExp *filename_match;
if ( file->name() == "." || file->name() == ".." )
return;
bool matched=false;
for ( filename_match = m_regexps.first(); !matched && filename_match; filename_match = m_regexps.next() )
{
matched |= filename_match->isEmpty() ||
(filename_match->exactMatch( file->url().fileName( true ) ) );
}
if (!matched)
return;
switch( m_sizemode )
{
case 1: // "at least"
if ( file->size() < m_sizeboundary1 ) return;
break;
case 2: // "at most"
if ( file->size() > m_sizeboundary1 ) return;
break;
case 3: // "equal"
if ( file->size() != m_sizeboundary1 ) return;
break;
case 4: // "between"
if ( (file->size() < m_sizeboundary1) || (file->size() > m_sizeboundary2) ) return;
break;
case 0: // "none" -> fall to default
default:
break;
}
// make sure it's in the correct date range
// what about 0 times?
if ( m_timeFrom && m_timeFrom > file->time(KIO::UDS_MODIFICATION_TIME) )
return;
if ( m_timeTo && m_timeTo < file->time(KIO::UDS_MODIFICATION_TIME) )
return;
// username / group match
if ( (!m_username.isEmpty()) && (m_username != file->user()) )
return;
if ( (!m_groupname.isEmpty()) && (m_groupname != file->group()) )
return;
// file type
switch (m_filetype)
{
case 0:
break;
case 1: // plain file
if ( !S_ISREG( file->mode() ) )
return;
break;
case 2:
if ( !file->isDir() )
return;
break;
case 3:
if ( !file->isLink() )
return;
break;
case 4:
if ( !S_ISCHR ( file->mode() ) && !S_ISBLK ( file->mode() ) &&
!S_ISFIFO( file->mode() ) && !S_ISSOCK( file->mode() ) )
return;
break;
case 5: // binary
if ( (file->permissions() & 0111) != 0111 || file->isDir() )
return;
break;
case 6: // suid
if ( (file->permissions() & 04000) != 04000 ) // fixme
return;
break;
default:
if (!m_mimetype.isEmpty() && !m_mimetype.contains(file->mimetype()))
return;
}
// match datas in metainfo...
if ((!m_metainfo.isEmpty()) && (!m_metainfokey.isEmpty()))
{
bool foundmeta=false;
QString filename = file->url().path();
if(filename.startsWith("/dev/"))
return;
KFileMetaInfo metadatas(filename);
KFileMetaInfoItem metaitem;
QStringList metakeys;
QString strmetakeycontent;
if(metadatas.isEmpty())
return;
metakeys=metadatas.supportedKeys();
for ( QStringList::Iterator it = metakeys.begin(); it != metakeys.end(); ++it )
{
if (!metaKeyRx->exactMatch(*it))
continue;
metaitem=metadatas.item(*it);
strmetakeycontent=metaitem.string();
if(strmetakeycontent.find(m_metainfo)!=-1)
{
foundmeta=true;
break;
}
}
if (!foundmeta)
return;
}
// match contents...
QString matchingLine;
if (!m_context.isEmpty())
{
if( !m_search_binary && ignore_mimetypes.findIndex(file->mimetype()) != -1 ) {
kdDebug() << "ignoring, mime type is in exclusion list: " << file->url() << endl;
return;
}
bool found = false;
bool isZippedOfficeDocument=false;
int matchingLineNumber=0;
// FIXME: doesn't work with non local files
QString filename;
QTextStream* stream=0;
QFile qf;
QRegExp xmlTags;
QByteArray zippedXmlFileContent;
// KWord's and OpenOffice.org's files are zipped...
if( ooo_mimetypes.findIndex(file->mimetype()) != -1 ||
koffice_mimetypes.findIndex(file->mimetype()) != -1 )
{
KZip zipfile(file->url().path());
KZipFileEntry *zipfileEntry;
if(zipfile.open(IO_ReadOnly))
{
const KArchiveDirectory *zipfileContent = zipfile.directory();
if( koffice_mimetypes.findIndex(file->mimetype()) != -1 )
zipfileEntry = (KZipFileEntry*)zipfileContent->entry("maindoc.xml");
else
zipfileEntry = (KZipFileEntry*)zipfileContent->entry("content.xml"); //for OpenOffice.org
if(!zipfileEntry) {
kdWarning() << "Expected XML file not found in ZIP archive " << file->url() << endl;
return;
}
zippedXmlFileContent = zipfileEntry->data();
xmlTags.setPattern("<.*>");
xmlTags.setMinimal(true);
stream = new QTextStream(zippedXmlFileContent, IO_ReadOnly);
stream->setEncoding(QTextStream::UnicodeUTF8);
isZippedOfficeDocument = true;
} else {
kdWarning() << "Cannot open supposed ZIP file " << file->url() << endl;
}
} else if( !m_search_binary && !file->mimetype().startsWith("text/") &&
file->url().isLocalFile() ) {
KMimeType::Format f = KMimeType::findFormatByFileContent(file->url().path());
if ( !f.text ) {
kdDebug() << "ignoring, not a text file: " << file->url() << endl;
return;
}
}
if(!isZippedOfficeDocument) //any other file or non-compressed KWord
{
filename = file->url().path();
if(filename.startsWith("/dev/"))
return;
qf.setName(filename);
qf.open(IO_ReadOnly);
stream=new QTextStream(&qf);
stream->setEncoding(QTextStream::Locale);
}
while ( ! stream->atEnd() )
{
QString str = stream->readLine();
matchingLineNumber++;
if (str.isNull()) break;
if(isZippedOfficeDocument)
str.replace(xmlTags, "");
if (m_regexpForContent)
{
if (m_regexp.search(str)>=0)
{
matchingLine=QString::number(matchingLineNumber)+": "+str;
found = true;
break;
}
}
else
{
if ((!str.isNull()) && (!m_context.isNull())) {
if (str.find(m_context, 0, m_casesensitive) != -1)
{
matchingLine=QString::number(matchingLineNumber)+": "+str;
found = true;
break;
}
}
else {
return;
}
}
kapp->processEvents();
}
delete stream;
if (!found)
return;
}
emit addFile(file,matchingLine);
}
void KQuery::setContext(const QString & context, bool casesensitive,
bool search_binary, bool useRegexp)
{
m_context = context;
m_casesensitive = casesensitive;
m_search_binary = search_binary;
m_regexpForContent=useRegexp;
m_regexp.setWildcard(!m_regexpForContent);
m_regexp.setCaseSensitive(casesensitive);
if (m_regexpForContent)
m_regexp.setPattern(m_context);
}
void KQuery::setMetaInfo(const QString &metainfo, const QString &metainfokey)
{
m_metainfo=metainfo;
m_metainfokey=metainfokey;
}
void KQuery::setMimeType(const QStringList &mimetype)
{
m_mimetype = mimetype;
}
void KQuery::setFileType(int filetype)
{
m_filetype = filetype;
}
void KQuery::setSizeRange(int mode, KIO::filesize_t value1, KIO::filesize_t value2)
{
m_sizemode = mode;
m_sizeboundary1 = value1;
m_sizeboundary2 = value2;
}
void KQuery::setTimeRange(time_t from, time_t to)
{
m_timeFrom = from;
m_timeTo = to;
}
void KQuery::setUsername(QString username)
{
m_username = username;
}
void KQuery::setGroupname(QString groupname)
{
m_groupname = groupname;
}
void KQuery::setRegExp(const QString &regexp, bool caseSensitive)
{
QRegExp *regExp;
QRegExp sep(";");
QStringList strList=QStringList::split( sep, regexp, false);
// QRegExp globChars ("[\\*\\?\\[\\]]", TRUE, FALSE);
m_regexps.clear();
// m_regexpsContainsGlobs.clear();
for ( QStringList::ConstIterator it = strList.begin(); it != strList.end(); ++it ) {
regExp = new QRegExp((*it),caseSensitive,true);
// m_regexpsContainsGlobs.append(regExp->pattern().contains(globChars));
m_regexps.append(regExp);
}
}
void KQuery::setRecursive(bool recursive)
{
m_recursive = recursive;
}
void KQuery::setPath(const KURL &url)
{
m_url = url;
}
void KQuery::setUseFileIndex(bool useLocate)
{
m_useLocate=useLocate;
}
void KQuery::slotreceivedSdterr(KProcess* ,char* str,int)
{
KMessageBox::error(NULL, QString(str), i18n("Error while using locate"));
}
void KQuery::slotreceivedSdtout(KProcess*,char* str,int l)
{
int i;
bufferLocateLength+=l;
str[l]='\0';
bufferLocate=(char*)realloc(bufferLocate,sizeof(char)*(bufferLocateLength));
for (i=0;i<l;i++)
bufferLocate[bufferLocateLength-l+i]=str[i];
}
void KQuery::slotendProcessLocate(KProcess*)
{
QString qstr;
QStringList strlist;
int i,j,k;
if((bufferLocateLength==0)||(bufferLocate==NULL))
{
emit result(0);
return;
}
i=0;
do
{
j=1;
while(bufferLocate[i]!='\n')
{
i++;
j++;
}
qstr="";
for(k=0;k<j-1;k++)
qstr.append(bufferLocate[k+i-j+1]);
strlist.append(qstr);
i++;
}while(i<bufferLocateLength);
bufferLocateLength=0;
free(bufferLocate);
bufferLocate=NULL;
slotListEntries(strlist );
emit result(0);
}
#include "kquery.moc"
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