Files
secondo/Algebras/Raster2/UniqueStringArray.cpp
2026-01-23 17:03:45 +08:00

651 lines
15 KiB
C++

/*
This file is part of SECONDO.
Copyright (C) 2011, University in Hagen, Department of Computer Science,
Database Systems for New Applications.
SECONDO is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
SECONDO is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with SECONDO; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "Defines.h"
#include "UniqueStringArray.h"
#include "WinUnix.h"
#include "TypeConstructor.h"
#include "Symbols.h"
using namespace std;
namespace raster2
{
UniqueStringArray::UniqueStringArray()
:Attribute()
{
}
UniqueStringArray::UniqueStringArray(bool bDefined)
:Attribute(bDefined),
m_StringData(0),
m_StringFlob(0)
{
}
UniqueStringArray::UniqueStringArray
(const UniqueStringArray& rUniqueStringArray)
:Attribute(rUniqueStringArray.IsDefined()),
m_StringData(rUniqueStringArray.m_StringData),
m_StringFlob(rUniqueStringArray.m_StringFlob)
{
}
UniqueStringArray::~UniqueStringArray()
{
}
UniqueStringArray& UniqueStringArray::operator=
(const UniqueStringArray& rUniqueStringArray)
{
if(this != &rUniqueStringArray)
{
bool bOK = false;
bOK = m_StringData.clean();
assert(bOK);
bOK = m_StringData.Append(rUniqueStringArray.m_StringData);
assert(bOK);
bOK = m_StringFlob.clean();
assert(bOK);
bOK = m_StringFlob.copyFrom(rUniqueStringArray.m_StringFlob);
assert(bOK);
}
return *this;
}
bool UniqueStringArray::GetUniqueString(int nIndex, std::string& rString) const
{
bool bRetVal = false;
int nStrings = m_StringData.Size();
if(nIndex < nStrings)
{
StringData stringData;
bRetVal = m_StringData.Get(nIndex, stringData);
if(bRetVal == true)
{
SmiSize bufferSize = stringData.Length + 1;
char* pBuffer = new char[bufferSize];
if(pBuffer != 0)
{
memset(pBuffer, 0, bufferSize * sizeof(char));
bRetVal = m_StringFlob.read(pBuffer, stringData.Length,
stringData.Offset);
if(bRetVal == true)
{
rString = pBuffer;
}
delete [] pBuffer;
}
}
}
return bRetVal;
}
std::list<string> UniqueStringArray::GetUniqueStringArray() const
{
list<string> uniqueStringArray;
int nStrings = m_StringData.Size();
bool bOK = false;
string uniqueString;
for(int i = 0; i < nStrings; i++)
{
bOK = GetUniqueString(i, uniqueString);
if(bOK == true)
{
uniqueStringArray.push_back(uniqueString);
}
}
return uniqueStringArray;
}
int UniqueStringArray::GetUniqueStringIndex(const std::string& rString) const
{
int nUniqueStringIndex = UNDEFINED_STRING_INDEX();
if(rString.empty() == false)
{
SmiSize stringLength = rString.length();
int nStrings = m_StringData.Size();
bool bOK = false;
StringData stringData;
string uniqueString;
for(int i = 0; i < nStrings; i++)
{
bOK = m_StringData.Get(i, stringData);
if(bOK == true)
{
if(stringLength == stringData.Length)
{
bOK = GetUniqueString(i, uniqueString);
if(bOK == true &&
rString == uniqueString)
{
nUniqueStringIndex = i;
break;
}
}
}
}
}
return nUniqueStringIndex;
}
int UniqueStringArray::AddString(const std::string& rString)
{
int nIndex = UNDEFINED_STRING_INDEX();
if(rString.empty() == false)
{
if(IsUniqueString(rString) == true)
{
StringData stringData;
stringData.Offset = m_StringFlob.getSize();
stringData.Length = rString.length();
SmiSize newStringFlobSize = stringData.Offset + stringData.Length;
bool bOK = m_StringFlob.resize(newStringFlobSize);
if(bOK == true)
{
m_StringData.Append(stringData);
m_StringFlob.write(rString.c_str(), stringData.Length,
stringData.Offset);
nIndex = m_StringData.Size() - 1;
}
}
else
{
nIndex = GetUniqueStringIndex(rString);
}
}
return nIndex;
}
void UniqueStringArray::Destroy()
{
m_StringData.Destroy();
m_StringFlob.destroy();
}
bool UniqueStringArray::Adjacent(const Attribute* pAttribute) const
{
return false;
}
Attribute* UniqueStringArray::Clone() const
{
Attribute* pAttribute = new UniqueStringArray(*this);
assert(pAttribute != 0);
return pAttribute;
}
int UniqueStringArray::Compare(const Attribute* pAttribute) const
{
int nRetVal = -1;
if(pAttribute != 0)
{
const UniqueStringArray* pUniqueStringArray =
dynamic_cast<const UniqueStringArray*>(pAttribute);
if(pUniqueStringArray != 0)
{
bool bIsDefined = IsDefined();
bool bUniqueStringArrayIsDefined = pUniqueStringArray->IsDefined();
if(bIsDefined == true)
{
if(bUniqueStringArrayIsDefined == true) // defined x defined
{
if(m_StringData == pUniqueStringArray->m_StringData &&
m_StringFlob == pUniqueStringArray->m_StringFlob)
{
nRetVal = 0;
}
}
else // defined x undefined
{
nRetVal = 1;
}
}
else
{
if(bUniqueStringArrayIsDefined == true) // undefined x defined
{
nRetVal = -1;
}
else // undefined x undefined
{
nRetVal = 0;
}
}
}
}
return nRetVal;
}
void UniqueStringArray::CopyFrom(const Attribute* pAttribute)
{
if(pAttribute != 0)
{
const UniqueStringArray* pUniqueStringArray =
dynamic_cast<const UniqueStringArray*>(pAttribute);
if(pUniqueStringArray != 0)
{
*this = *pUniqueStringArray;
}
}
}
Flob* UniqueStringArray::GetFLOB(const int i)
{
Flob* pFlob = 0;
int nFlobs = NumOfFLOBs();
if(i >= 0 &&
i < nFlobs)
{
switch(i)
{
case 0: pFlob = &m_StringData;
break;
case 1: pFlob = &m_StringFlob;
break;
default: break;
}
}
return pFlob;
}
size_t UniqueStringArray::HashValue() const
{
size_t hashValue = 0;
if(IsDefined())
{
hashValue = reinterpret_cast<size_t>(this);
}
return hashValue;
}
int UniqueStringArray::NumOfFLOBs() const
{
return 2;
}
size_t UniqueStringArray::Sizeof() const
{
return sizeof(UniqueStringArray);
}
const string UniqueStringArray::BasicType()
{
return "uniquestringarray";
}
void* UniqueStringArray::Cast(void* pVoid)
{
return new(pVoid)UniqueStringArray;
}
Word UniqueStringArray::Clone(const ListExpr typeInfo,
const Word& rWord)
{
Word word;
UniqueStringArray* pUniqueStringArray =
static_cast<UniqueStringArray*>(rWord.addr);
if(pUniqueStringArray != 0)
{
word.addr = new UniqueStringArray(*pUniqueStringArray);
assert(word.addr != 0);
}
return word;
}
void UniqueStringArray::Close(const ListExpr typeInfo,
Word& rWord)
{
UniqueStringArray* pUniqueStringArray =
static_cast<UniqueStringArray*>(rWord.addr);
if(pUniqueStringArray != 0)
{
delete pUniqueStringArray;
rWord.addr = 0;
}
}
Word UniqueStringArray::Create(const ListExpr typeInfo)
{
Word word;
word.addr = new UniqueStringArray(true);
assert(word.addr != 0);
return word;
}
void UniqueStringArray::Delete(const ListExpr typeInfo,
Word& rWord)
{
UniqueStringArray* pUniqueStringArray =
static_cast<UniqueStringArray*>(rWord.addr);
if(pUniqueStringArray != 0)
{
delete pUniqueStringArray;
rWord.addr = 0;
}
}
TypeConstructor UniqueStringArray::getTypeConstructor()
{
TypeConstructor typeConstructor
(
UniqueStringArray::BasicType(), // type name function
UniqueStringArray::Property, // property function describing signature
UniqueStringArray::Out, // out function
UniqueStringArray::In, // in function
0, // save to list function
0, // restore from list function
UniqueStringArray::Create, // create function
UniqueStringArray::Delete, // delete function
UniqueStringArray::Open, // open function
UniqueStringArray::Save, // save function
UniqueStringArray::Close, // close function
UniqueStringArray::Clone, // clone function
UniqueStringArray::Cast, // cast function
UniqueStringArray::SizeOfObj, // sizeofobj function
UniqueStringArray::KindCheck // kindcheck function
);
typeConstructor.AssociateKind(Kind::DATA());
return typeConstructor;
}
Word UniqueStringArray::In(const ListExpr typeInfo,
const ListExpr instance,
const int errorPos,
ListExpr& rErrorInfo,
bool& rCorrect)
{
Word word;
rCorrect = false;
if(nl != 0)
{
int nListLength = nl->ListLength(instance);
if(nListLength > 0)
{
if(nListLength == 1 &&
nl->IsAtom(nl->First(instance)) &&
nl->AtomType(nl->First(instance)) == SymbolType &&
listutils::isSymbolUndefined(nl->First(instance)))
{
rCorrect = true;
word.addr = new UniqueStringArray(false);
}
else
{
UniqueStringArray* pUniqueStringArray = new UniqueStringArray(true);
if(pUniqueStringArray != 0)
{
ListExpr first = nl->Empty();
ListExpr rest = instance;
while(nl->IsEmpty(rest) == false)
{
first = nl->First(rest);
rest = nl->Rest(rest);
if(nl->IsAtom(first) &&
nl->AtomType(first) == StringType)
{
string stringValue = nl->StringValue(first);
pUniqueStringArray->AddString(stringValue);
}
}
rCorrect = true;
word.addr = pUniqueStringArray;
}
}
}
else
{
rCorrect = true;
word.addr = new UniqueStringArray(true);
}
}
return word;
}
bool UniqueStringArray::KindCheck(ListExpr type,
ListExpr& rErrorInfo)
{
bool bRetVal = false;
if(nl != 0)
{
bRetVal = nl->IsEqual(type, UniqueStringArray::BasicType());
}
return bRetVal;
}
bool UniqueStringArray::Open(SmiRecord& rValueRecord,
size_t& rOffset,
const ListExpr typeInfo,
Word& rValue)
{
bool bRetVal = OpenAttribute<UniqueStringArray>(rValueRecord,
rOffset,
typeInfo,
rValue);
return bRetVal;
}
ListExpr UniqueStringArray::Out(ListExpr typeInfo,
Word value)
{
ListExpr pListExpr = 0;
if(nl != 0)
{
UniqueStringArray* pUniqueStringArray =
static_cast<UniqueStringArray*>(value.addr);
if(pUniqueStringArray != 0)
{
if(pUniqueStringArray->IsDefined() == true)
{
list<string> uniqueStringArray =
pUniqueStringArray->GetUniqueStringArray();
if(uniqueStringArray.size() > 0)
{
list<string>::iterator it = uniqueStringArray.begin();
ListExpr pCurrentListExpr = nl->StringAtom(*it);
if(pCurrentListExpr != 0)
{
pListExpr = nl->OneElemList(pCurrentListExpr);
ListExpr pLastListExpr = pListExpr;
for(it++; it != uniqueStringArray.end(); it++)
{
pCurrentListExpr = nl->StringAtom(*it);
if(pCurrentListExpr != 0)
{
pLastListExpr = nl->Append(pLastListExpr, pCurrentListExpr);
}
}
}
}
else
{
pListExpr = nl->TheEmptyList();
}
}
else
{
pListExpr = nl->SymbolAtom(Symbol::UNDEFINED());
}
}
}
return pListExpr;
}
ListExpr UniqueStringArray::Property()
{
NList propertyList;
NList names;
names.append(NList(std::string("Signature"), true));
names.append(NList(std::string("Example Type List"), true));
names.append(NList(std::string("ListRep"), true));
names.append(NList(std::string("Example List"), true));
names.append(NList(std::string("Remarks"), true));
NList values;
values.append(NList(std::string("-> DATA"), true));
values.append(NList(UniqueStringArray::BasicType(), true));
values.append(NList
(std::string("(\"String1\" \"String2\" \"...\")"),
true));
values.append(NList
(std::string("(\"Raster\" \"Daten\")"),
true));
values.append(NList(std::string(""), true));
propertyList = NList(names, values);
return propertyList.listExpr();
}
bool UniqueStringArray::Save(SmiRecord& rValueRecord,
size_t& rOffset,
const ListExpr typeInfo,
Word& rValue)
{
bool bRetVal = SaveAttribute<UniqueStringArray>(rValueRecord,
rOffset,
typeInfo,
rValue);
return bRetVal;
}
int UniqueStringArray::SizeOfObj()
{
return sizeof(UniqueStringArray);
}
bool UniqueStringArray::IsUniqueString(const std::string& rString) const
{
bool bIsUniqueString = false;
if(rString.empty() == false)
{
bIsUniqueString = true;
SmiSize stringLength = rString.length();
int nStrings = m_StringData.Size();
bool bOK = false;
StringData stringData;
string uniqueString;
for(int i = 0; i < nStrings; i++)
{
bOK = m_StringData.Get(i, stringData);
if(bOK == true)
{
if(stringLength == stringData.Length)
{
bOK = GetUniqueString(i, uniqueString);
if(bOK == true &&
rString == uniqueString)
{
bIsUniqueString = false;
break;
}
}
}
}
}
return bIsUniqueString;
}
}