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
@@ -28,102 +28,147 @@
 
 using namespace VCARD;
 
 VCardEntity::VCardEntity()
 	:	Entity()
 {
   cardList_.setAutoDelete( TRUE );
 }
 
 VCardEntity::VCardEntity(const VCardEntity & x)
 	:	Entity(x)
 {
   cardList_.setAutoDelete( TRUE );
 }
 
 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();
 //US	cardList_ = l;
     VCardListIterator it(l);
 
     for (; it.current(); ++it) {
       VCard* v = new VCard(*it.current());
       cardList_.append(v);
     }
 
 }