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
@@ -1,129 +1,174 @@
 /*
 	libvcard - vCard parsing library for vCard version 3.0
 
 	Copyright (C) 1998 Rik Hemsley rik@kde.org
 
   Permission is hereby granted, free of charge, to any person obtaining a copy
   of this software and associated documentation files (the "Software"), to
   deal in the Software without restriction, including without limitation the
   rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
   sell copies of the Software, and to permit persons to whom the Software is
   furnished to do so, subject to the following conditions:
 
   The above copyright notice and this permission notice shall be included in
   all copies or substantial portions of the Software.
 
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
   AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
 #include <qregexp.h>
 
 #include <VCardDefines.h>
 #include <VCardVCardEntity.h>
 
 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);
     }
 
 }