681 lines
15 KiB
C++
681 lines
15 KiB
C++
/** \file gameengine/Expressions/ListValue.cpp
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* \ingroup expressions
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*/
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// ListValue.cpp: implementation of the CListValue class.
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//
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//////////////////////////////////////////////////////////////////////
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/*
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* Copyright (c) 1996-2000 Erwin Coumans <coockie@acm.org>
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Erwin Coumans makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*/
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#include <stdio.h>
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#include "ListValue.h"
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#include "StringValue.h"
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#include "VoidValue.h"
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#include <algorithm>
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#include "BoolValue.h"
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#include "BLO_sys_types.h" /* for intptr_t support */
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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CListValue::CListValue()
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: CPropValue()
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{
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m_bReleaseContents=true;
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}
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CListValue::~CListValue()
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{
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if (m_bReleaseContents) {
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for (unsigned int i=0;i<m_pValueArray.size();i++) {
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m_pValueArray[i]->Release();
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}
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}
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}
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static STR_String gstrListRep=STR_String("List");
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const STR_String & CListValue::GetText()
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{
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gstrListRep = "[";
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STR_String commastr = "";
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for (int i=0;i<GetCount();i++)
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{
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gstrListRep += commastr;
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gstrListRep += GetValue(i)->GetText();
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commastr = ",";
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}
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gstrListRep += "]";
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return gstrListRep;
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}
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CValue* CListValue::GetReplica()
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{
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CListValue* replica = new CListValue(*this);
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replica->ProcessReplica();
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replica->m_bReleaseContents=true; // for copy, complete array is copied for now...
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// copy all values
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int numelements = m_pValueArray.size();
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unsigned int i=0;
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replica->m_pValueArray.resize(numelements);
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for (i=0;i<m_pValueArray.size();i++)
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replica->m_pValueArray[i] = m_pValueArray[i]->GetReplica();
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return replica;
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};
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void CListValue::SetValue(int i, CValue *val)
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{
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assertd(i < m_pValueArray.size());
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m_pValueArray[i]=val;
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}
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void CListValue::Resize(int num)
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{
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m_pValueArray.resize(num);
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}
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void CListValue::Remove(int i)
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{
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assertd(i<m_pValueArray.size());
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m_pValueArray.erase(m_pValueArray.begin()+i);
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}
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void CListValue::ReleaseAndRemoveAll()
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{
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for (unsigned int i=0;i<m_pValueArray.size();i++)
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m_pValueArray[i]->Release();
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m_pValueArray.clear();//.Clear();
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}
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CValue* CListValue::FindValue(const STR_String & name)
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{
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for (int i=0; i < GetCount(); i++)
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if (GetValue(i)->GetName() == name)
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return GetValue(i);
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return NULL;
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}
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CValue* CListValue::FindValue(const char * name)
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{
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for (int i=0; i < GetCount(); i++)
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if (GetValue(i)->GetName() == name)
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return GetValue(i);
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return NULL;
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}
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bool CListValue::SearchValue(CValue *val)
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{
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for (int i=0;i<GetCount();i++)
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if (val == GetValue(i))
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return true;
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return false;
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}
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void CListValue::SetReleaseOnDestruct(bool bReleaseContents)
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{
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m_bReleaseContents = bReleaseContents;
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}
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bool CListValue::RemoveValue(CValue *val)
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{
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bool result=false;
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for (int i=GetCount()-1;i>=0;i--)
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if (val == GetValue(i))
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{
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Remove(i);
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result=true;
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}
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return result;
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}
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void CListValue::MergeList(CListValue *otherlist)
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{
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int numelements = this->GetCount();
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int numotherelements = otherlist->GetCount();
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Resize(numelements+numotherelements);
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for (int i=0;i<numotherelements;i++)
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{
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SetValue(i+numelements,otherlist->GetValue(i)->AddRef());
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}
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}
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bool CListValue::CheckEqual(CValue* first,CValue* second)
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{
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bool result = false;
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CValue* eqval = ((CValue*)first)->Calc(VALUE_EQL_OPERATOR,(CValue*)second);
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if (eqval==NULL)
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return false;
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const STR_String& text = eqval->GetText();
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if (&text==&CBoolValue::sTrueString)
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{
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result = true;
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}
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eqval->Release();
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return result;
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}
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/* ---------------------------------------------------------------------
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* Some stuff taken from the header
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* --------------------------------------------------------------------- */
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CValue* CListValue::Calc(VALUE_OPERATOR op,CValue *val)
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{
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//assert(false); // todo: implement me!
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static int error_printed = 0;
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if (error_printed==0) {
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fprintf(stderr, "CValueList::Calc not yet implemented\n");
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error_printed = 1;
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}
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return NULL;
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}
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CValue* CListValue::CalcFinal(VALUE_DATA_TYPE dtype,
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VALUE_OPERATOR op,
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CValue* val)
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{
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//assert(false); // todo: implement me!
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static int error_printed = 0;
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if (error_printed==0) {
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fprintf(stderr, "CValueList::CalcFinal not yet implemented\n");
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error_printed = 1;
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}
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return NULL;
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}
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void CListValue::Add(CValue* value)
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{
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m_pValueArray.push_back(value);
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}
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double CListValue::GetNumber()
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{
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return -1;
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}
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void CListValue::SetModified(bool bModified)
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{
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CValue::SetModified(bModified);
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int numels = GetCount();
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for (int i=0;i<numels;i++)
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GetValue(i)->SetModified(bModified);
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}
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bool CListValue::IsModified()
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{
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bool bmod = CValue::IsModified(); //normal own flag
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int numels = GetCount();
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for (int i=0;i<numels;i++)
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bmod = bmod || GetValue(i)->IsModified();
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return bmod;
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}
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#ifdef WITH_PYTHON
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/* --------------------------------------------------------------------- */
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/* Python interface ---------------------------------------------------- */
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/* --------------------------------------------------------------------- */
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Py_ssize_t listvalue_bufferlen(PyObject* self)
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{
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CListValue *list= static_cast<CListValue *>(BGE_PROXY_REF(self));
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if (list==NULL)
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return 0;
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return (Py_ssize_t)list->GetCount();
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}
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PyObject* listvalue_buffer_item(PyObject* self, Py_ssize_t index)
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{
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CListValue *list= static_cast<CListValue *>(BGE_PROXY_REF(self));
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CValue *cval;
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if (list==NULL) {
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PyErr_SetString(PyExc_SystemError, "val = CList[i], "BGE_PROXY_ERROR_MSG);
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return NULL;
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}
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int count = list->GetCount();
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if (index < 0)
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index = count+index;
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if (index < 0 || index >= count) {
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PyErr_SetString(PyExc_IndexError, "CList[i]: Python ListIndex out of range in CValueList");
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return NULL;
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}
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cval= list->GetValue(index);
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PyObject* pyobj = cval->ConvertValueToPython();
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if (pyobj)
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return pyobj;
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else
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return cval->GetProxy();
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}
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PyObject* listvalue_mapping_subscript(PyObject* self, PyObject* pyindex)
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{
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CListValue *list= static_cast<CListValue *>(BGE_PROXY_REF(self));
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if (list==NULL) {
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PyErr_SetString(PyExc_SystemError, "value = CList[i], "BGE_PROXY_ERROR_MSG);
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return NULL;
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}
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if (PyUnicode_Check(pyindex))
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{
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CValue *item = ((CListValue*) list)->FindValue(_PyUnicode_AsString(pyindex));
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if (item) {
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PyObject* pyobj = item->ConvertValueToPython();
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if (pyobj)
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return pyobj;
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else
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return item->GetProxy();
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}
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}
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else if (PyLong_Check(pyindex))
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{
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int index = PyLong_AsSsize_t(pyindex);
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return listvalue_buffer_item(self, index); /* wont add a ref */
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}
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PyErr_Format(PyExc_KeyError,
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"CList[key]: '%R' key not in list", pyindex);
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return NULL;
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}
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/* just slice it into a python list... */
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PyObject* listvalue_buffer_slice(PyObject* self,Py_ssize_t ilow, Py_ssize_t ihigh)
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{
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CListValue *list= static_cast<CListValue *>(BGE_PROXY_REF(self));
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if (list==NULL) {
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PyErr_SetString(PyExc_SystemError, "val = CList[i:j], "BGE_PROXY_ERROR_MSG);
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return NULL;
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}
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int i, j;
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PyObject *newlist;
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if (ilow < 0) ilow = 0;
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int n = ((CListValue*) list)->GetCount();
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if (ihigh >= n)
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ihigh = n;
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if (ihigh < ilow)
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ihigh = ilow;
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newlist = PyList_New(ihigh - ilow);
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if (!newlist)
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return NULL;
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for (i = ilow, j = 0; i < ihigh; i++, j++)
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{
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PyObject* pyobj = list->GetValue(i)->ConvertValueToPython();
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if (!pyobj)
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pyobj = list->GetValue(i)->GetProxy();
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PyList_SET_ITEM(newlist, i, pyobj);
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}
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return newlist;
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}
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/* clist + list, return a list that python owns */
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static PyObject *listvalue_buffer_concat(PyObject * self, PyObject * other)
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{
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CListValue *listval= static_cast<CListValue *>(BGE_PROXY_REF(self));
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Py_ssize_t i, numitems, numitems_orig;
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if (listval==NULL) {
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PyErr_SetString(PyExc_SystemError, "CList+other, "BGE_PROXY_ERROR_MSG);
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return NULL;
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}
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numitems_orig= listval->GetCount();
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// for now, we support CListValue concatenated with items
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// and CListValue concatenated to Python Lists
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// and CListValue concatenated with another CListValue
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/* Shallow copy, don't use listval->GetReplica(), it will screw up with KX_GameObjects */
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CListValue* listval_new = new CListValue();
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if (PyList_Check(other))
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{
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CValue* listitemval;
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bool error = false;
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numitems = PyList_GET_SIZE(other);
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/* copy the first part of the list */
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listval_new->Resize(numitems_orig + numitems);
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for (i=0;i<numitems_orig;i++)
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listval_new->SetValue(i, listval->GetValue(i)->AddRef());
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for (i=0;i<numitems;i++)
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{
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listitemval = listval->ConvertPythonToValue(PyList_GetItem(other,i), "cList + pyList: CListValue, ");
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if (listitemval) {
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listval_new->SetValue(i+numitems_orig, listitemval);
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} else {
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error= true;
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break;
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}
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}
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if (error) {
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listval_new->Resize(numitems_orig+i); /* resize so we don't try release NULL pointers */
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listval_new->Release();
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return NULL; /* ConvertPythonToValue above sets the error */
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}
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}
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else if (PyObject_TypeCheck(other, &CListValue::Type)) {
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// add items from otherlist to this list
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CListValue* otherval = static_cast<CListValue *>(BGE_PROXY_REF(other));
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if (otherval==NULL) {
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listval_new->Release();
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PyErr_SetString(PyExc_SystemError, "CList+other, "BGE_PROXY_ERROR_MSG);
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return NULL;
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}
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numitems = otherval->GetCount();
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/* copy the first part of the list */
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listval_new->Resize(numitems_orig + numitems); /* resize so we don't try release NULL pointers */
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for (i=0;i<numitems_orig;i++)
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listval_new->SetValue(i, listval->GetValue(i)->AddRef());
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/* now copy the other part of the list */
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for (i=0;i<numitems;i++)
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listval_new->SetValue(i+numitems_orig, otherval->GetValue(i)->AddRef());
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}
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return listval_new->NewProxy(true); /* python owns this list */
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}
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static int listvalue_buffer_contains(PyObject *self_v, PyObject *value)
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{
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CListValue *self= static_cast<CListValue *>(BGE_PROXY_REF(self_v));
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if (self==NULL) {
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PyErr_SetString(PyExc_SystemError, "val in CList, "BGE_PROXY_ERROR_MSG);
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return -1;
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}
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if (PyUnicode_Check(value)) {
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if (self->FindValue((const char *)_PyUnicode_AsString(value))) {
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return 1;
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}
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}
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else if (PyObject_TypeCheck(value, &CValue::Type)) { /* not dict like at all but this worked before __contains__ was used */
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CValue *item= static_cast<CValue *>(BGE_PROXY_REF(value));
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for (int i=0; i < self->GetCount(); i++)
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if (self->GetValue(i) == item) // Com
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return 1;
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} // not using CheckEqual
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return 0;
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}
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static PySequenceMethods listvalue_as_sequence = {
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listvalue_bufferlen,//(inquiry)buffer_length, /*sq_length*/
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listvalue_buffer_concat, /*sq_concat*/
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NULL, /*sq_repeat*/
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listvalue_buffer_item, /*sq_item*/
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// TODO, slicing in py3
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NULL, // listvalue_buffer_slice, /*sq_slice*/
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NULL, /*sq_ass_item*/
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NULL, /*sq_ass_slice*/
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(objobjproc)listvalue_buffer_contains, /* sq_contains */
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(binaryfunc) NULL, /* sq_inplace_concat */
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(ssizeargfunc) NULL, /* sq_inplace_repeat */
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};
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/* Is this one used ? */
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static PyMappingMethods instance_as_mapping = {
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listvalue_bufferlen, /*mp_length*/
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listvalue_mapping_subscript, /*mp_subscript*/
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NULL /*mp_ass_subscript*/
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};
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PyTypeObject CListValue::Type = {
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PyVarObject_HEAD_INIT(NULL, 0)
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"CListValue", /*tp_name*/
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sizeof(PyObjectPlus_Proxy), /*tp_basicsize*/
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0, /*tp_itemsize*/
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/* methods */
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py_base_dealloc, /*tp_dealloc*/
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0, /*tp_print*/
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0, /*tp_getattr*/
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0, /*tp_setattr*/
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0, /*tp_compare*/
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py_base_repr, /*tp_repr*/
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0, /*tp_as_number*/
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&listvalue_as_sequence, /*tp_as_sequence*/
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&instance_as_mapping, /*tp_as_mapping*/
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0, /*tp_hash*/
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0, /*tp_call */
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0,
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NULL,
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NULL,
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0,
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Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE,
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0,0,0,0,0,0,0,
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Methods,
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0,
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0,
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&CValue::Type,
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0,0,0,0,0,0,
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py_base_new
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};
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PyMethodDef CListValue::Methods[] = {
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/* List style access */
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{"append", (PyCFunction)CListValue::sPyappend,METH_O},
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{"reverse", (PyCFunction)CListValue::sPyreverse,METH_NOARGS},
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{"index", (PyCFunction)CListValue::sPyindex,METH_O},
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{"count", (PyCFunction)CListValue::sPycount,METH_O},
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/* Dict style access */
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{"get", (PyCFunction)CListValue::sPyget,METH_VARARGS},
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/* Own cvalue funcs */
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{"from_id", (PyCFunction)CListValue::sPyfrom_id,METH_O},
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{NULL,NULL} //Sentinel
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};
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PyAttributeDef CListValue::Attributes[] = {
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{ NULL } //Sentinel
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};
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PyObject* CListValue::Pyappend(PyObject* value)
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{
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CValue* objval = ConvertPythonToValue(value, "CList.append(i): CValueList, ");
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|
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if (!objval) /* ConvertPythonToValue sets the error */
|
|
return NULL;
|
|
|
|
if (!BGE_PROXY_PYOWNS(m_proxy)) {
|
|
PyErr_SetString(PyExc_TypeError, "CList.append(i): this CValueList is used internally for the game engine and can't be modified");
|
|
return NULL;
|
|
}
|
|
|
|
Add(objval);
|
|
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
PyObject* CListValue::Pyreverse()
|
|
{
|
|
std::reverse(m_pValueArray.begin(),m_pValueArray.end());
|
|
Py_RETURN_NONE;
|
|
}
|
|
|
|
PyObject* CListValue::Pyindex(PyObject *value)
|
|
{
|
|
PyObject* result = NULL;
|
|
|
|
CValue* checkobj = ConvertPythonToValue(value, "val = cList[i]: CValueList, ");
|
|
if (checkobj==NULL)
|
|
return NULL; /* ConvertPythonToValue sets the error */
|
|
|
|
int numelem = GetCount();
|
|
for (int i=0;i<numelem;i++)
|
|
{
|
|
CValue* elem = GetValue(i);
|
|
if (checkobj==elem || CheckEqual(checkobj,elem))
|
|
{
|
|
result = PyLong_FromSsize_t(i);
|
|
break;
|
|
}
|
|
}
|
|
checkobj->Release();
|
|
|
|
if (result==NULL) {
|
|
PyErr_SetString(PyExc_ValueError, "CList.index(x): x not in CListValue");
|
|
}
|
|
return result;
|
|
|
|
}
|
|
|
|
|
|
|
|
PyObject* CListValue::Pycount(PyObject* value)
|
|
{
|
|
int numfound = 0;
|
|
|
|
CValue* checkobj = ConvertPythonToValue(value, ""); /* error ignored */
|
|
|
|
if (checkobj==NULL) { /* in this case just return that there are no items in the list */
|
|
PyErr_Clear();
|
|
return PyLong_FromSsize_t(0);
|
|
}
|
|
|
|
int numelem = GetCount();
|
|
for (int i=0;i<numelem;i++)
|
|
{
|
|
CValue* elem = GetValue(i);
|
|
if (checkobj==elem || CheckEqual(checkobj,elem))
|
|
{
|
|
numfound ++;
|
|
}
|
|
}
|
|
checkobj->Release();
|
|
|
|
return PyLong_FromSsize_t(numfound);
|
|
}
|
|
|
|
/* Matches python dict.get(key, [default]) */
|
|
PyObject* CListValue::Pyget(PyObject *args)
|
|
{
|
|
char *key;
|
|
PyObject* def = Py_None;
|
|
|
|
if (!PyArg_ParseTuple(args, "s|O:get", &key, &def))
|
|
return NULL;
|
|
|
|
CValue *item = FindValue((const char *)key);
|
|
if (item) {
|
|
PyObject* pyobj = item->ConvertValueToPython();
|
|
if (pyobj)
|
|
return pyobj;
|
|
else
|
|
return item->GetProxy();
|
|
}
|
|
Py_INCREF(def);
|
|
return def;
|
|
}
|
|
|
|
|
|
PyObject* CListValue::Pyfrom_id(PyObject* value)
|
|
{
|
|
uintptr_t id= (uintptr_t)PyLong_AsVoidPtr(value);
|
|
|
|
if (PyErr_Occurred())
|
|
return NULL;
|
|
|
|
int numelem = GetCount();
|
|
for (int i=0;i<numelem;i++)
|
|
{
|
|
if (reinterpret_cast<uintptr_t>(m_pValueArray[i]->m_proxy) == id)
|
|
return GetValue(i)->GetProxy();
|
|
}
|
|
PyErr_SetString(PyExc_IndexError, "from_id(#): id not found in CValueList");
|
|
return NULL;
|
|
|
|
}
|
|
|
|
#endif // WITH_PYTHON
|