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authorchicken <chicken>2004-03-01 18:10:37 (UTC)
committer chicken <chicken>2004-03-01 18:10:37 (UTC)
commit7fd20d139e2d9bc37ce22bbdb07f4ebc54903f91 (patch) (side-by-side diff)
tree15ef5e3d00c5476ea98ca36ba6c8392eb02e53c8 /library/qdawg.cpp
parent5b4e342004537f84fa53911a46cd00d810378da7 (diff)
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fix includes
Diffstat (limited to 'library/qdawg.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--library/qdawg.cpp2
1 files changed, 0 insertions, 2 deletions
diff --git a/library/qdawg.cpp b/library/qdawg.cpp
index af5dc82..2ea5734 100644
--- a/library/qdawg.cpp
+++ b/library/qdawg.cpp
@@ -1,215 +1,213 @@
/**********************************************************************
** Copyright (C) 2000-2002 Trolltech AS. All rights reserved.
**
** This file is part of the Qtopia Environment.
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
** See http://www.trolltech.com/gpl/ for GPL licensing information.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
**********************************************************************/
#include "qdawg.h"
#include <qintdict.h>
-#include <qvaluelist.h>
-#include <qtextstream.h>
#include <qfile.h>
#include <qtl.h>
#include <limits.h>
#include <stdio.h>
// for mmap
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <fcntl.h>
#include <errno.h>
#include <unistd.h>
class QDawgPrivate;
class QTrie;
typedef QValueList<QTrie*> TrieClub;
typedef QIntDict<TrieClub> TrieClubDirectory;
class TriePtr {
public:
QChar letter;
QTrie* p;
int operator <(const TriePtr& o) const;
int operator >(const TriePtr& o) const;
int operator <=(const TriePtr& o) const;
};
class TrieList : public QValueList<TriePtr> {
bool sorted;
public:
TrieList()
{
sorted=TRUE;
}
QTrie* findAdd(QChar c);
bool equal(TrieList& l);
void sort()
{
if ( !sorted ) {
qHeapSort(*this);
sorted = TRUE;
}
}
};
// A fast but memory-wasting temporary class. The Dawg is the goal.
class QTrie {
public:
QTrie();
~QTrie();
void insertWord(const QString& s, uint index=0);
bool equal(QTrie* o);
void dump(int indent=0);
private:
TrieList children;
bool isword;
friend class QDawgPrivate;
int maxdepth;
int decendants;
int key;
void distributeKeys(TrieClubDirectory& directory);
QTrie* clubLeader(TrieClubDirectory& directory);
int collectKeys();
friend class TriePtr;
friend class TrieList;
};
QTrie::QTrie()
{
key = 0;
isword = FALSE;
}
QTrie::~QTrie()
{
// NOTE: we do not delete the children - after conversion to DAWG
// it's too difficult. The QTrie's are deleted via the directory.
}
void QTrie::insertWord(const QString& s, uint index)
{
if ( index == s.length() ) {
isword = TRUE;
} else {
QTrie* t = children.findAdd(s[index]);
t->insertWord(s,index+1);
}
}
bool QTrie::equal(QTrie* o)
{
if ( o == this ) return TRUE;
if ( isword != o->isword )
return FALSE;
return children.equal(o->children);
}
void QTrie::dump(int indent)
{
for (TrieList::Iterator it=children.begin(); it!=children.end(); ++it) {
QTrie* s = (*it).p;
for (int in=0; in<indent; in++)
fputc(' ',stderr);
fprintf(stderr," %c %d %s %p\n",(*it).letter.unicode(),
s->key,s->isword?"word":"",s);
s->dump(indent+2);
}
}
void QTrie::distributeKeys(TrieClubDirectory& directory)
{
maxdepth = INT_MIN;
decendants = children.count();
key = 0;
for (TrieList::Iterator it=children.begin(); it!=children.end(); ++it) {
QTrie* s = (*it).p;
QChar l = (*it).letter;
s->distributeKeys(directory);
key = key*64+l.unicode()+s->key*5;
decendants += s->decendants;
if ( s->maxdepth+1 > maxdepth )
maxdepth = s->maxdepth+1;
}
if ( decendants ) {
key += decendants + maxdepth*256 + children.count() * 65536;
if ( !key ) key++; // unlikely
}
TrieClub* c = directory[key];
if ( !c ) directory.insert(key, (c = new TrieClub) );
c->prepend(this);
}
QTrie* QTrie::clubLeader(TrieClubDirectory& directory)
{
if ( !key ) return directory[0]->first();
for (TrieList::Iterator it=children.begin(); it!=children.end(); ++it) {
QTrie* t= (*it).p->clubLeader(directory);
(*it).p = t;
}
TrieClub *club = directory[key];
for (TrieClub::Iterator it = club->begin(); it != club->end(); ++it) {
QTrie* o = *it;
if ( o->equal(this) )
return o;
}
return this;
}
int QTrie::collectKeys()
{
int n=0;
if ( key ) key=0,n+=children.count();
for (TrieList::Iterator it=children.begin(); it!=children.end(); ++it)
n += (*it).p->collectKeys();
return n;
}
int TriePtr::operator <(const TriePtr& o) const
{ return letter < o.letter; }
int TriePtr::operator >(const TriePtr& o) const
{ return letter > o.letter; }
int TriePtr::operator <=(const TriePtr& o) const
{ return letter <= o.letter; }
bool TrieList::equal(TrieList& l)
{
if ( count() != l.count() )
return FALSE;
sort(); l.sort();
ConstIterator it2 = begin();
ConstIterator it = l.begin();
for( ; it != l.end(); ++it, ++it2 )
if ( (*it).letter != (*it2).letter || ! (*it).p->equal((*it2).p) )
return FALSE;
return TRUE;
}
QTrie* TrieList::findAdd(QChar c)
{
for (Iterator it=begin(); it!=end(); ++it) {
if ( (*it).letter == c )
return (*it).p;
}
TriePtr p;
p.p = new QTrie;
p.letter = c;