libkmime

kmime_util.cpp

00001 /*
00002     kmime_util.cpp
00003 
00004     KMime, the KDE internet mail/usenet news message library.
00005     Copyright (c) 2001 the KMime authors.
00006     See file AUTHORS for details
00007 
00008     This program is free software; you can redistribute it and/or modify
00009     it under the terms of the GNU General Public License as published by
00010     the Free Software Foundation; either version 2 of the License, or
00011     (at your option) any later version.
00012     You should have received a copy of the GNU General Public License
00013     along with this program; if not, write to the Free Software Foundation,
00014     Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, US
00015 */
00016 
00017 #ifdef HAVE_CONFIG_H
00018 #include <config.h>
00019 #endif
00020 
00021 #include "kmime_util.h"
00022 
00023 #include <kmdcodec.h> // for KCodec::{quotedPrintableDe,base64{En,De}}code
00024 #include <kglobal.h>
00025 #include <klocale.h>
00026 #include <kcharsets.h>
00027 #include <kdeversion.h>
00028 #if KDE_IS_VERSION( 3, 1, 90 )
00029 #include <kcalendarsystem.h>
00030 #endif
00031 
00032 #include <qtextcodec.h>
00033 #include <qstrlist.h> // for QStrIList
00034 #include <qregexp.h>
00035 
00036 #include <stdlib.h>
00037 #include <ctype.h>
00038 #include <time.h> // for time()
00039 #include <unistd.h> // for getpid()
00040 
00041 using namespace KMime;
00042 
00043 namespace KMime {
00044 
00045 QStrIList c_harsetCache;
00046 QStrIList l_anguageCache;
00047 
00048 const char* cachedCharset(const QCString &name)
00049 {
00050   int idx=c_harsetCache.find(name.data());
00051   if(idx>-1)
00052     return c_harsetCache.at(idx);
00053 
00054   c_harsetCache.append(name.upper().data());
00055   //kdDebug() << "KNMimeBase::cachedCharset() number of cs " << c_harsetCache.count() << endl;
00056   return c_harsetCache.last();
00057 }
00058 
00059 const char* cachedLanguage(const QCString &name)
00060 {
00061   int idx=l_anguageCache.find(name.data());
00062   if(idx>-1)
00063     return l_anguageCache.at(idx);
00064 
00065   l_anguageCache.append(name.upper().data());
00066   //kdDebug() << "KNMimeBase::cachedCharset() number of cs " << c_harsetCache.count() << endl;
00067   return l_anguageCache.last();
00068 }
00069 
00070 bool isUsAscii(const QString &s)
00071 {
00072   uint sLength = s.length();
00073   for (uint i=0; i<sLength; i++)
00074     if (s.at(i).latin1()<=0)    // c==0: non-latin1, c<0: non-us-ascii
00075       return false;
00076 
00077   return true;
00078 }
00079 
00080 // "(),.:;<>@[\]
00081 const uchar specialsMap[16] = {
00082   0x00, 0x00, 0x00, 0x00, // CTLs
00083   0x20, 0xCA, 0x00, 0x3A, // SPACE ... '?'
00084   0x80, 0x00, 0x00, 0x1C, // '@' ... '_'
00085   0x00, 0x00, 0x00, 0x00  // '`' ... DEL
00086 };
00087 
00088 // "(),:;<>@[\]/=?
00089 const uchar tSpecialsMap[16] = {
00090   0x00, 0x00, 0x00, 0x00, // CTLs
00091   0x20, 0xC9, 0x00, 0x3F, // SPACE ... '?'
00092   0x80, 0x00, 0x00, 0x1C, // '@' ... '_'
00093   0x00, 0x00, 0x00, 0x00  // '`' ... DEL
00094 };
00095 
00096 // all except specials, CTLs, SPACE.
00097 const uchar aTextMap[16] = {
00098   0x00, 0x00, 0x00, 0x00,
00099   0x5F, 0x35, 0xFF, 0xC5,
00100   0x7F, 0xFF, 0xFF, 0xE3,
00101   0xFF, 0xFF, 0xFF, 0xFE
00102 };
00103 
00104 // all except tspecials, CTLs, SPACE.
00105 const uchar tTextMap[16] = {
00106   0x00, 0x00, 0x00, 0x00,
00107   0x5F, 0x36, 0xFF, 0xC0,
00108   0x7F, 0xFF, 0xFF, 0xE3,
00109   0xFF, 0xFF, 0xFF, 0xFE
00110 };
00111 
00112 // none except a-zA-Z0-9!*+-/
00113 const uchar eTextMap[16] = {
00114   0x00, 0x00, 0x00, 0x00,
00115   0x40, 0x35, 0xFF, 0xC0,
00116   0x7F, 0xFF, 0xFF, 0xE0,
00117   0x7F, 0xFF, 0xFF, 0xE0
00118 };
00119 
00120 #if defined(_AIX) && defined(truncate)
00121 #undef truncate
00122 #endif
00123 
00124 QString decodeRFC2047String(const QCString &src, const char **usedCS,
00125                 const QCString &defaultCS, bool forceCS)
00126 {
00127   QCString result, str;
00128   QCString declaredCS;
00129   char *pos, *dest, *beg, *end, *mid, *endOfLastEncWord=0;
00130   char encoding = '\0';
00131   bool valid, onlySpacesSinceLastWord=false;
00132   const int maxLen=400;
00133   int i;
00134 
00135   if(src.find("=?") < 0)
00136     result = src.copy();
00137   else {
00138     result.truncate(src.length());
00139     for (pos=src.data(), dest=result.data(); *pos; pos++)
00140     {
00141       if (pos[0]!='=' || pos[1]!='?')
00142       {
00143         *dest++ = *pos;
00144         if (onlySpacesSinceLastWord)
00145           onlySpacesSinceLastWord = (pos[0]==' ' || pos[1]=='\t');
00146         continue;
00147       }
00148       beg = pos+2;
00149       end = beg;
00150       valid = TRUE;
00151       // parse charset name
00152       declaredCS="";
00153       for (i=2,pos+=2; i<maxLen && (*pos!='?'&&(ispunct(*pos)||isalnum(*pos))); i++) {
00154         declaredCS+=(*pos);
00155         pos++;
00156       }
00157       if (*pos!='?' || i<4 || i>=maxLen) valid = FALSE;
00158       else
00159       {
00160         // get encoding and check delimiting question marks
00161         encoding = toupper(pos[1]);
00162         if (pos[2]!='?' || (encoding!='Q' && encoding!='B'))
00163           valid = FALSE;
00164         pos+=3;
00165         i+=3;
00166       }
00167       if (valid)
00168       {
00169         mid = pos;
00170         // search for end of encoded part
00171         while (i<maxLen && *pos && !(*pos=='?' && *(pos+1)=='='))
00172         {
00173           i++;
00174           pos++;
00175         }
00176         end = pos+2;//end now points to the first char after the encoded string
00177         if (i>=maxLen || !*pos) valid = FALSE;
00178       }
00179 
00180       if (valid) {
00181         // cut all linear-white space between two encoded words
00182         if (onlySpacesSinceLastWord)
00183           dest=endOfLastEncWord;
00184 
00185         if (mid < pos) {
00186           str = QCString(mid, (int)(pos - mid + 1));
00187           if (encoding == 'Q')
00188           {
00189             // decode quoted printable text
00190             for (i=str.length()-1; i>=0; i--)
00191               if (str[i]=='_') str[i]=' ';
00192             str = KCodecs::quotedPrintableDecode(str);
00193           }
00194           else
00195           {
00196             str = KCodecs::base64Decode(str);
00197           }
00198           for (i=0; str[i]; i++) {
00199             *dest++ = str[i];
00200           }
00201         }
00202 
00203         endOfLastEncWord=dest;
00204         onlySpacesSinceLastWord=true;
00205 
00206         pos = end -1;
00207       }
00208       else
00209       {
00210         pos = beg - 2;
00211         *dest++ = *pos++;
00212         *dest++ = *pos;
00213       }
00214     }
00215     *dest = '\0';
00216   }
00217 
00218   //find suitable QTextCodec
00219   QTextCodec *codec=0;
00220   bool ok=true;
00221   if (forceCS || declaredCS.isEmpty()) {
00222     codec=KGlobal::charsets()->codecForName(defaultCS);
00223     (*usedCS)=cachedCharset(defaultCS);
00224   }
00225   else {
00226     codec=KGlobal::charsets()->codecForName(declaredCS, ok);
00227     if(!ok) {     //no suitable codec found => use default charset
00228       codec=KGlobal::charsets()->codecForName(defaultCS);
00229       (*usedCS)=cachedCharset(defaultCS);
00230     }
00231     else
00232       (*usedCS)=cachedCharset(declaredCS);
00233   }
00234 
00235   return codec->toUnicode(result.data(), result.length());
00236 }
00237 
00238 
00239 QCString encodeRFC2047String(const QString &src, const char *charset,
00240                  bool addressHeader, bool allow8BitHeaders)
00241 {
00242   QCString encoded8Bit, result, usedCS;
00243   unsigned int start=0,end=0;
00244   bool nonAscii=false, ok=true, useQEncoding=false;
00245   QTextCodec *codec=0;
00246 
00247   usedCS=charset;
00248   codec=KGlobal::charsets()->codecForName(usedCS, ok);
00249 
00250   if(!ok) {
00251     //no codec available => try local8Bit and hope the best ;-)
00252     usedCS=KGlobal::locale()->encoding();
00253     codec=KGlobal::charsets()->codecForName(usedCS, ok);
00254   }
00255 
00256   if (usedCS.find("8859-")>=0)  // use "B"-Encoding for non iso-8859-x charsets
00257     useQEncoding=true;
00258 
00259   encoded8Bit=codec->fromUnicode(src);
00260 
00261   if(allow8BitHeaders)
00262     return encoded8Bit;
00263 
00264   uint encoded8BitLength = encoded8Bit.length();
00265   for (unsigned int i=0; i<encoded8BitLength; i++) {
00266     if (encoded8Bit[i]==' ')    // encoding starts at word boundaries
00267       start = i+1;
00268 
00269     // encode escape character, for japanese encodings...
00270     if (((signed char)encoded8Bit[i]<0) || (encoded8Bit[i] == '\033') ||
00271         (addressHeader && (strchr("\"()<>@,.;:\\[]=",encoded8Bit[i])!=0))) {
00272       end = start;   // non us-ascii char found, now we determine where to stop encoding
00273       nonAscii=true;
00274       break;
00275     }
00276   }
00277 
00278   if (nonAscii) {
00279     while ((end<encoded8Bit.length())&&(encoded8Bit[end]!=' '))  // we encode complete words
00280       end++;
00281 
00282     for (unsigned int x=end;x<encoded8Bit.length();x++)
00283       if (((signed char)encoded8Bit[x]<0) || (encoded8Bit[x] == '\033') ||
00284           (addressHeader && (strchr("\"()<>@,.;:\\[]=",encoded8Bit[x])!=0))) {
00285         end = encoded8Bit.length();     // we found another non-ascii word
00286 
00287       while ((end<encoded8Bit.length())&&(encoded8Bit[end]!=' '))  // we encode complete words
00288         end++;
00289     }
00290 
00291     result = encoded8Bit.left(start)+"=?"+usedCS;
00292 
00293     if (useQEncoding) {
00294       result += "?Q?";
00295 
00296       char c,hexcode;                       // implementation of the "Q"-encoding described in RFC 2047
00297       for (unsigned int i=start;i<end;i++) {
00298         c = encoded8Bit[i];
00299         if (c == ' ')       // make the result readable with not MIME-capable readers
00300           result+='_';
00301         else
00302           if (((c>='a')&&(c<='z'))||      // paranoid mode, we encode *all* special characters to avoid problems
00303               ((c>='A')&&(c<='Z'))||      // with "From" & "To" headers
00304               ((c>='0')&&(c<='9')))
00305             result+=c;
00306           else {
00307             result += "=";                 // "stolen" from KMail ;-)
00308             hexcode = ((c & 0xF0) >> 4) + 48;
00309             if (hexcode >= 58) hexcode += 7;
00310             result += hexcode;
00311             hexcode = (c & 0x0F) + 48;
00312             if (hexcode >= 58) hexcode += 7;
00313             result += hexcode;
00314           }
00315       }
00316     } else {
00317       result += "?B?"+KCodecs::base64Encode(encoded8Bit.mid(start,end-start), false);
00318     }
00319 
00320     result +="?=";
00321     result += encoded8Bit.right(encoded8Bit.length()-end);
00322   }
00323   else
00324     result = encoded8Bit;
00325 
00326   return result;
00327 }
00328 
00329 QCString uniqueString()
00330 {
00331   static char chars[] = "0123456789abcdefghijklmnopqrstuvxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
00332   time_t now;
00333   QCString ret;
00334   char p[11];
00335   int pos, ran;
00336   unsigned int timeval;
00337 
00338   p[10]='\0';
00339   now=time(0);
00340   ran=1+(int) (1000.0*rand()/(RAND_MAX+1.0));
00341   timeval=(now/ran)+getpid();
00342 
00343   for(int i=0; i<10; i++){
00344     pos=(int) (61.0*rand()/(RAND_MAX+1.0));
00345     //kdDebug(5003) << pos << endl;
00346     p[i]=chars[pos];
00347   }
00348   ret.sprintf("%d.%s", timeval, p);
00349 
00350   return ret;
00351 }
00352 
00353 
00354 QCString multiPartBoundary()
00355 {
00356   QCString ret;
00357   ret="nextPart"+uniqueString();
00358   return ret;
00359 }
00360 
00361 QCString extractHeader(const QCString &src, const char *name)
00362 {
00363   QCString n=QCString(name)+": ";
00364   int pos1=-1, pos2=0, len=src.length()-1;
00365   bool folded(false);
00366 
00367   if (n.lower() == src.left(n.length()).lower()) {
00368     pos1 = 0;
00369   } else {
00370     n.prepend("\n");
00371     pos1 = src.find(n,0,false);
00372   }
00373 
00374   if (pos1>-1) {    //there is a header with the given name
00375     pos1+=n.length(); //skip the name
00376     pos2=pos1;
00377 
00378     if (src[pos2]!='\n') {  // check if the header is not empty
00379       while(1) {
00380         pos2=src.find("\n", pos2+1);
00381         if(pos2==-1 || pos2==len || ( src[pos2+1]!=' ' && src[pos2+1]!='\t') ) //break if we reach the end of the string, honor folded lines
00382           break;
00383         else
00384           folded = true;
00385       }
00386     }
00387 
00388     if(pos2<0) pos2=len+1; //take the rest of the string
00389 
00390     if (!folded)
00391       return src.mid(pos1, pos2-pos1);
00392     else
00393       return (src.mid(pos1, pos2-pos1).replace(QRegExp("\\s*\\n\\s*")," "));
00394   }
00395   else {
00396     return QCString(0); //header not found
00397   }
00398 }
00399 
00400 
00401 QCString CRLFtoLF(const QCString &s)
00402 {
00403   QCString ret=s.copy();
00404   ret.replace(QRegExp("\\r\\n"), "\n");
00405   return ret;
00406 }
00407 
00408 
00409 QCString CRLFtoLF(const char *s)
00410 {
00411   QCString ret=s;
00412   ret.replace(QRegExp("\\r\\n"), "\n");
00413   return ret;
00414 }
00415 
00416 
00417 QCString LFtoCRLF(const QCString &s)
00418 {
00419   QCString ret=s.copy();
00420   ret.replace(QRegExp("\\n"), "\r\n");
00421   return ret;
00422 }
00423 
00424 
00425 void removeQuots(QCString &str)
00426 {
00427   bool inQuote=false;
00428 
00429   for (int i=0; i < (int)str.length(); i++) {
00430     if (str[i] == '"') {
00431       str.remove(i,1);
00432       i--;
00433       inQuote = !inQuote;
00434     } else {
00435       if (inQuote && (str[i] == '\\'))
00436         str.remove(i,1);
00437     }
00438   }
00439 }
00440 
00441 
00442 void removeQuots(QString &str)
00443 {
00444   bool inQuote=false;
00445 
00446   for (int i=0; i < (int)str.length(); i++) {
00447     if (str[i] == '"') {
00448       str.remove(i,1);
00449       i--;
00450       inQuote = !inQuote;
00451     } else {
00452       if (inQuote && (str[i] == '\\'))
00453         str.remove(i,1);
00454     }
00455   }
00456 }
00457 
00458 
00459 void addQuotes(QCString &str, bool forceQuotes)
00460 {
00461   bool needsQuotes=false;
00462   for (unsigned int i=0; i < str.length(); i++) {
00463     if (strchr("()<>@,.;:[]=\\\"",str[i])!=0)
00464       needsQuotes = true;
00465     if (str[i]=='\\' || str[i]=='\"') {
00466       str.insert(i, '\\');
00467       i++;
00468     }
00469   }
00470 
00471   if (needsQuotes || forceQuotes) {
00472     str.insert(0,'\"');
00473     str.append("\"");
00474   }
00475 }
00476 
00477 int DateFormatter::mDaylight = -1;
00478 DateFormatter::DateFormatter(FormatType fType)
00479   : mFormat( fType ), mCurrentTime( 0 )
00480 {
00481 
00482 }
00483 
00484 DateFormatter::~DateFormatter()
00485 {/*empty*/}
00486 
00487 DateFormatter::FormatType
00488 DateFormatter::getFormat() const
00489 {
00490   return mFormat;
00491 }
00492 
00493 void
00494 DateFormatter::setFormat( FormatType t )
00495 {
00496   mFormat = t;
00497 }
00498 
00499 QString
00500 DateFormatter::dateString( time_t otime , const QString& lang ,
00501                bool shortFormat, bool includeSecs ) const
00502 {
00503   switch ( mFormat ) {
00504   case Fancy:
00505     return fancy( otime );
00506     break;
00507   case Localized:
00508     return localized( otime, shortFormat, includeSecs, lang );
00509     break;
00510   case CTime:
00511     return cTime( otime );
00512     break;
00513   case Iso:
00514     return isoDate( otime );
00515     break;
00516   case Custom:
00517     return custom( otime );
00518     break;
00519   }
00520   return QString::null;
00521 }
00522 
00523 QString
00524 DateFormatter::dateString(const QDateTime& dtime, const QString& lang,
00525                bool shortFormat, bool includeSecs ) const
00526 {
00527   return DateFormatter::dateString( qdateToTimeT(dtime), lang, shortFormat, includeSecs );
00528 }
00529 
00530 QCString
00531 DateFormatter::rfc2822(time_t otime) const
00532 {
00533   QDateTime tmp;
00534   QCString  ret;
00535 
00536   tmp.setTime_t(otime);
00537 
00538   ret = tmp.toString("ddd, dd MMM yyyy hh:mm:ss ").latin1();
00539   ret += zone(otime);
00540 
00541   return ret;
00542 }
00543 
00544 QString
00545 DateFormatter::custom(time_t t) const
00546 {
00547   if ( mCustomFormat.isEmpty() )
00548     return QString::null;
00549 
00550   int z = mCustomFormat.find("Z");
00551   QDateTime d;
00552   QString ret = mCustomFormat;
00553 
00554   d.setTime_t(t);
00555   if ( z != -1 ) {
00556     ret.replace(z,1,zone(t));
00557   }
00558 
00559   ret = d.toString(ret);
00560 
00561   return ret;
00562 }
00563 
00564 void
00565 DateFormatter::setCustomFormat(const QString& format)
00566 {
00567   mCustomFormat = format;
00568   mFormat = Custom;
00569 }
00570 
00571 QString
00572 DateFormatter::getCustomFormat() const
00573 {
00574   return mCustomFormat;
00575 }
00576 
00577 
00578 QCString
00579 DateFormatter::zone(time_t otime) const
00580 {
00581   QCString ret;
00582 #if defined(HAVE_TIMEZONE) || defined(HAVE_TM_GMTOFF)
00583   struct tm *local = localtime( &otime );
00584 #endif
00585 
00586 #if defined(HAVE_TIMEZONE)
00587 
00588   //hmm, could make hours & mins static
00589   int secs = abs(timezone);
00590   int neg  = (timezone>0)?1:0;
00591   int hours = secs/3600;
00592   int mins  = (secs - hours*3600)/60;
00593 
00594   // adjust to daylight
00595   if ( local->tm_isdst > 0 ) {
00596       mDaylight = 1;
00597       if ( neg )
00598         --hours;
00599       else
00600         ++hours;
00601   } else
00602       mDaylight = 0;
00603 
00604   ret.sprintf("%c%.2d%.2d",(neg)?'-':'+', hours, mins);
00605 
00606 #elif defined(HAVE_TM_GMTOFF)
00607 
00608   int secs = abs( local->tm_gmtoff );
00609   int neg  = (local->tm_gmtoff<0)?1:0; //no, I don't know why it's backwards :o
00610   int hours = secs/3600;
00611   int mins  = (secs - hours*3600)/60;
00612 
00613   if ( local->tm_isdst > 0 )
00614       mDaylight = 1;
00615   else
00616       mDaylight = 0;
00617 
00618   ret.sprintf("%c%.2d%.2d",(neg)?'-':'+', hours, mins);
00619 
00620 #else
00621 
00622   QDateTime d1 = QDateTime::fromString( asctime(gmtime(&otime)) );
00623   QDateTime d2 = QDateTime::fromString( asctime(localtime(&otime)) );
00624   int secs = d1.secsTo(d2);
00625   int neg = (secs<0)?1:0;
00626   secs = abs(secs);
00627   int hours = secs/3600;
00628   int mins  = (secs - hours*3600)/60;
00629   // daylight should be already taken care of here
00630   ret.sprintf("%c%.2d%.2d",(neg)?'-':'+', hours, mins);
00631 
00632 #endif /* HAVE_TIMEZONE */
00633 
00634   return ret;
00635 }
00636 
00637 time_t
00638 DateFormatter::qdateToTimeT(const QDateTime& dt) const
00639 {
00640   QDateTime epoch( QDate(1970, 1,1), QTime(00,00,00) );
00641   time_t otime;
00642   time( &otime );
00643 
00644   QDateTime d1 = QDateTime::fromString( asctime(gmtime(&otime)) );
00645   QDateTime d2 = QDateTime::fromString( asctime(localtime(&otime)) );
00646   time_t drf = epoch.secsTo( dt ) - d1.secsTo( d2 );
00647 
00648   return drf;
00649 }
00650 
00651 QString
00652 DateFormatter::fancy(time_t otime) const
00653 {
00654   KLocale *locale = KGlobal::locale();
00655 
00656   if ( otime <= 0 )
00657     return i18n( "unknown" );
00658 
00659   if ( !mCurrentTime ) {
00660     time( &mCurrentTime );
00661     mDate.setTime_t( mCurrentTime );
00662   }
00663 
00664   QDateTime old;
00665   old.setTime_t( otime );
00666 
00667   // not more than an hour in the future
00668   if ( mCurrentTime + 60 * 60 >= otime ) {
00669     time_t diff = mCurrentTime - otime;
00670 
00671     if ( diff < 24 * 60 * 60 ) {
00672       if ( old.date().year() == mDate.date().year() &&
00673        old.date().dayOfYear() == mDate.date().dayOfYear() )
00674     return i18n( "Today %1" ).arg( locale->
00675                        formatTime( old.time(), true ) );
00676     }
00677     if ( diff < 2 * 24 * 60 * 60 ) {
00678       QDateTime yesterday( mDate.addDays( -1 ) );
00679       if ( old.date().year() == yesterday.date().year() &&
00680        old.date().dayOfYear() == yesterday.date().dayOfYear() )
00681     return i18n( "Yesterday %1" ).arg( locale->
00682                        formatTime( old.time(), true) );
00683     }
00684     for ( int i = 3; i < 7; i++ )
00685       if ( diff < i * 24 * 60 * 60 ) {
00686     QDateTime weekday( mDate.addDays( -i + 1 ) );
00687     if ( old.date().year() == weekday.date().year() &&
00688          old.date().dayOfYear() == weekday.date().dayOfYear() )
00689       return i18n( "1. weekday, 2. time", "%1 %2" ).
00690 #if KDE_IS_VERSION( 3, 1, 90 )
00691         arg( locale->calendar()->weekDayName( old.date() ) ).
00692 #else
00693         arg( locale->weekDayName( old.date().dayOfWeek() ) ).
00694 #endif
00695         arg( locale->formatTime( old.time(), true) );
00696       }
00697   }
00698 
00699   return locale->formatDateTime( old );
00700 
00701 }
00702 
00703 QString
00704 DateFormatter::localized(time_t otime, bool shortFormat, bool includeSecs,
00705              const QString& localeLanguage ) const
00706 {
00707   QDateTime tmp;
00708   QString ret;
00709   KLocale *locale = KGlobal::locale();
00710 
00711   tmp.setTime_t( otime );
00712 
00713 
00714   if ( !localeLanguage.isEmpty() ) {
00715     locale=new KLocale(localeLanguage);
00716     locale->setLanguage(localeLanguage);
00717     locale->setCountry(localeLanguage);
00718     ret = locale->formatDateTime( tmp, shortFormat, includeSecs );
00719     delete locale;
00720   } else {
00721     ret = locale->formatDateTime( tmp, shortFormat, includeSecs );
00722   }
00723 
00724   return ret;
00725 }
00726 
00727 QString
00728 DateFormatter::cTime(time_t otime) const
00729 {
00730   return QString::fromLatin1( ctime(  &otime ) ).stripWhiteSpace() ;
00731 }
00732 
00733 QString
00734 DateFormatter::isoDate(time_t otime) const
00735 {
00736   char cstr[64];
00737   strftime( cstr, 63, "%Y-%m-%d %H:%M:%S", localtime(&otime) );
00738   return QString( cstr );
00739 }
00740 
00741 
00742 void
00743 DateFormatter::reset()
00744 {
00745   mCurrentTime = 0;
00746 }
00747 
00748 QString
00749 DateFormatter::formatDate(DateFormatter::FormatType t, time_t otime,
00750               const QString& data, bool shortFormat, bool includeSecs )
00751 {
00752   DateFormatter f( t );
00753   if ( t == DateFormatter::Custom ) {
00754     f.setCustomFormat( data );
00755   }
00756   return f.dateString( otime, data, shortFormat, includeSecs );
00757 }
00758 
00759 QString
00760 DateFormatter::formatCurrentDate( DateFormatter::FormatType t, const QString& data,
00761                   bool shortFormat, bool includeSecs )
00762 {
00763   DateFormatter f( t );
00764   if ( t == DateFormatter::Custom ) {
00765     f.setCustomFormat( data );
00766   }
00767   return f.dateString( time(0), data, shortFormat, includeSecs );
00768 }
00769 
00770 QCString
00771 DateFormatter::rfc2822FormatDate( time_t t )
00772 {
00773   DateFormatter f;
00774   return f.rfc2822( t );
00775 }
00776 
00777 bool
00778 DateFormatter::isDaylight()
00779 {
00780   if ( mDaylight == -1 ) {
00781     time_t ntime = time( 0 );
00782     struct tm *local = localtime( &ntime );
00783     if ( local->tm_isdst > 0 ) {
00784       mDaylight = 1;
00785       return true;
00786     } else {
00787       mDaylight = 0;
00788       return false;
00789     }
00790   } else if ( mDaylight != 0 )
00791     return true;
00792   else
00793     return false;
00794 }
00795 
00796 } // namespace KMime
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