made addressbook much faster

1 files changed, 45 insertions, 0 deletions

diff --git a/kabc/vcard/VCardEntity.cpp b/kabc/vcard/VCardEntity.cpp
index 5fca3bc..b676cc7 100644
--- a/kabc/vcard/VCardEntity.cpp
+++ b/kabc/vcard/VCardEntity.cpp
@@ -44,86 +44,131 @@ VCardEntity::VCardEntity(const QCString & s)
                 :Entity(s)
 {
   cardList_.setAutoDelete( TRUE );
 }
 
         VCardEntity &
 VCardEntity::operator = (VCardEntity & x)
 {
         if (*this == x) return *this;
 
         Entity::operator = (x);
         return *this;
 }
 
         VCardEntity &
 VCardEntity::operator = (const QCString & s)
 {
         Entity::operator = (s);
         return *this;
 }
 
         bool
 VCardEntity::operator == (VCardEntity & x)
 {
         x.parse();
         return false;
 }
 
 VCardEntity::~VCardEntity()
 {
 }
 
+#include <qdatetime.h>;
         void
 VCardEntity::_parse()
 {
+#if 0
+    QTime tim;
+    tim.start();
+    int num  = 0;
+    // old code 
         vDebug("parse");
         QCString s(strRep_);
 
         int i = s.find(QRegExp("BEGIN:VCARD", false));
 
         while (i != -1) {
 
                 i = s.find(QRegExp("BEGIN:VCARD", false), 11);
 
                 QCString cardStr(s.left(i));
 
                 VCard * v = new VCard(cardStr);
 
                 cardList_.append(v);
 
                 v->parse();
 
                 s.remove(0, i);
         }
+
+#else
+    // this code is up to 17 (!)  times faster
+    int start = 0;
+    QTime tim;
+    tim.start();
+    int i = 11;
+    int len = strRep_.length();
+    int num  = 0;
+        while (i < len ) {
+        while( i < len ) {
+            int add = 1;
+            if ( strRep_.at(i) == 'B' ) {
+                if ( i+add < len && strRep_.at(i+add++) == 'E')
+                if ( i+add < len && strRep_.at(i+add++) == 'G')
+                if ( i+add < len && strRep_.at(i+add++) == 'I')
+                if ( i+add < len && strRep_.at(i+add++) == 'N')
+                if ( i+add < len && strRep_.at(i+add++) == ':')
+                if ( i+add < len && strRep_.at(i+add++) == 'V')
+                if ( i+add < len && strRep_.at(i+add++) == 'C')
+                if ( i+add < len && strRep_.at(i+add++) == 'A')
+                if ( i+add < len && strRep_.at(i+add++) == 'R')
+                if ( i+add < len && strRep_.at(i+add++) == 'D')
+                    break;
+            }
+            ++i;
+        }
+        if ( i <= len ) {
+            ++num;
+            char* dat = strRep_.data()+start;
+            VCard * v = new VCard( QCString (  dat,i-start ) );
+            start = i;
+            cardList_.append(v);
+            v->parse();
+        }
+        i+= 11;
+        }
+#endif
+    //qDebug("***time %d found %d", tim.elapsed(), num);
 }
 
         void
 VCardEntity::_assemble()
 {
         VCardListIterator it(cardList_);
 
         for (; it.current(); ++it)
                 strRep_ += it.current()->asString() + "\r\n"; // One CRLF for luck.
 }
 
         VCardList &
 VCardEntity::cardList()
 {
         parse();
         return cardList_;
 }
 
         void
 VCardEntity::setCardList(const VCardList & l)
 {
         parse();
         //UScardList_ = l;
     VCardListIterator it(l);
 
     for (; it.current(); ++it) {
       VCard* v = new VCard(*it.current());
       cardList_.append(v);
     }
 
 }