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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit460c52653ab0dcca6f19a4f492ed2c5e4e963ab0 (patch)
tree67208f7c145782a7e90b123b982ca78d88cc2c87 /korn/mailsubject.cpp
downloadtdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.tar.gz
tdepim-460c52653ab0dcca6f19a4f492ed2c5e4e963ab0.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdepim@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'korn/mailsubject.cpp')
-rw-r--r--korn/mailsubject.cpp189
1 files changed, 189 insertions, 0 deletions
diff --git a/korn/mailsubject.cpp b/korn/mailsubject.cpp
new file mode 100644
index 000000000..1f2011a02
--- /dev/null
+++ b/korn/mailsubject.cpp
@@ -0,0 +1,189 @@
+#include"mailsubject.h"
+
+#include <kmime_codecs.h>
+#include <kcharsets.h>
+#include <kdebug.h>
+#include <kglobal.h>
+#include <klocale.h>
+#include <qdatetime.h>
+#include <qtextcodec.h>
+#include <ctype.h>
+
+KornMailSubject::KornMailSubject() : _id(0), _drop(0), _size(-1), _date(-1), _fullMessage(false)
+{
+}
+
+KornMailSubject::KornMailSubject(KornMailId * id, KMailDrop *drop)
+ : _id(id), _drop( drop ), _size(-1), _date(-1), _fullMessage(false)
+{
+}
+
+KornMailSubject::KornMailSubject(const KornMailSubject & src)
+ : _id(0), _drop(0), _size(-1), _date(-1)
+{
+ operator=(src);
+}
+
+KornMailSubject & KornMailSubject::operator= (const KornMailSubject & src)
+{
+ _size = src._size;
+ _date = src._date;
+ _subject = src._subject;
+ _sender = src._sender;
+ _header = src._header;
+ _fullMessage = src._fullMessage;
+ if (_id)
+ delete _id;
+ _id = 0;
+ if (src._id)
+ _id = src._id->clone();
+ _drop = src._drop;
+ return *this;
+}
+
+KornMailSubject::~KornMailSubject()
+{
+ if (_id)
+ delete _id;
+ _id = 0;
+}
+
+QString KornMailSubject::toString() const
+{
+ QDateTime date;
+ date.setTime_t(_date);
+ return QString("KornMailSubject, Id: ") + (_id?_id->toString():QString("NULL")) + ", " + i18n("Subject:") + " " + _subject
+ + ", " + i18n("Sender:") + " " + _sender + ", " + i18n("Size:") + " " + QString::number(_size)
+ + ", " + i18n("Date:") + " " + date.toString(Qt::ISODate);
+}
+
+QString KornMailSubject::decodeRFC2047String(const QCString& aStr)
+{
+ if ( aStr.isEmpty() )
+ return QString::null;
+
+ const QCString str = unfold( aStr );
+
+ if ( str.isEmpty() )
+ return QString::null;
+
+ if ( str.find( "=?" ) < 0 ) {
+ // No need to decode
+ return QString(str);
+ }
+
+ QString result;
+ QCString LWSP_buffer;
+ bool lastWasEncodedWord = false;
+
+ for ( const char * pos = str.data() ; *pos ; ++pos ) {
+ // collect LWSP after encoded-words,
+ // because we might need to throw it out
+ // (when the next word is an encoded-word)
+ if ( lastWasEncodedWord && isBlank( pos[0] ) ) {
+ LWSP_buffer += pos[0];
+ continue;
+ }
+ // verbatimly copy normal text
+ if (pos[0]!='=' || pos[1]!='?') {
+ result += LWSP_buffer + pos[0];
+ LWSP_buffer = 0;
+ lastWasEncodedWord = false;
+ continue;
+ }
+ // found possible encoded-word
+ const char * const beg = pos;
+ {
+ // parse charset name
+ QCString charset;
+ int i = 2;
+ pos += 2;
+ for ( ; *pos != '?' && ( *pos==' ' || ispunct(*pos) || isalnum(*pos) ); ++i, ++pos ) {
+ charset += *pos;
+ }
+ if ( *pos!='?' || i<4 )
+ goto invalid_encoded_word;
+
+ // get encoding and check delimiting question marks
+ const char encoding[2] = { pos[1], '\0' };
+ if (pos[2]!='?' || (encoding[0]!='Q' && encoding[0]!='q' &&
+ encoding[0]!='B' && encoding[0]!='b'))
+ goto invalid_encoded_word;
+ pos+=3; i+=3; // skip ?x?
+ const char * enc_start = pos;
+ // search for end of encoded part
+ while ( *pos && !(*pos=='?' && *(pos+1)=='=') ) {
+ i++;
+ pos++;
+ }
+ if ( !*pos )
+ goto invalid_encoded_word;
+
+ // valid encoding: decode and throw away separating LWSP
+ const KMime::Codec * c = KMime::Codec::codecForName( encoding );
+ kdFatal( !c ) << "No \"" << encoding << "\" codec!?" << endl;
+
+ QByteArray in; in.setRawData( enc_start, pos - enc_start );
+ const QByteArray enc = c->decode( in );
+ in.resetRawData( enc_start, pos - enc_start );
+
+ const QTextCodec * codec = codecForName(charset);
+ if (!codec) return QString::null;
+ result += codec->toUnicode(enc);
+ lastWasEncodedWord = true;
+
+ ++pos; // eat '?' (for loop eats '=')
+ LWSP_buffer = 0;
+ }
+ continue;
+invalid_encoded_word:
+ // invalid encoding, keep separating LWSP.
+ pos = beg;
+ if ( !LWSP_buffer.isNull() )
+ result += LWSP_buffer;
+ result += "=?";
+ lastWasEncodedWord = false;
+ ++pos; // eat '?' (for loop eats '=')
+ LWSP_buffer = 0;
+ }
+ return result;
+}
+
+QCString KornMailSubject::unfold( const QCString & header )
+{
+ if ( header.isEmpty() )
+ return QCString();
+
+ QCString result( header.size() ); // size() >= length()+1 and size() is O(1)
+ char * d = result.data();
+
+ for ( const char * s = header.data() ; *s ; )
+ if ( *s == '\r' ) { // ignore
+ ++s;
+ continue;
+ } else if ( *s == '\n' ) { // unfold
+ while ( this->isBlank( *++s ) );
+ *d++ = ' ';
+ } else
+ *d++ = *s++;
+
+ *d++ = '\0';
+
+ result.truncate( d - result.data() );
+ return result;
+}
+
+//-----------------------------------------------------------------------------
+const QTextCodec* KornMailSubject::codecForName(const QCString& _str)
+{
+ if (_str.isEmpty()) return 0;
+ QCString codec = _str;
+ return KGlobal::charsets()->codecForName(codec);
+}
+
+void KornMailSubject::decodeHeaders()
+{
+ _subject = decodeRFC2047String( _subject.latin1() );
+ _sender = decodeRFC2047String( _sender.latin1() );
+}
+