forked from bartvdbraak/blender
2e6d576182
Armatures are back Split screen Double sided lightning Ambient lighting Alpha test Material IPO support (one per object atm) Blender materials GLSL shaders - Python access Up to three texture samplers from the material panel ( 2D & Cube map ) Python access to a second set of uv coordinates See http://www.elysiun.com/forum/viewtopic.php?t=58057
770 lines
16 KiB
C++
770 lines
16 KiB
C++
// Value.cpp: implementation of the CValue class.
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// developed at Eindhoven University of Technology, 1997
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// by the OOPS team
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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 "Value.h"
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#include "FloatValue.h"
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#include "IntValue.h"
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#include "VectorValue.h"
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#include "VoidValue.h"
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#include "StringValue.h"
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#include "ErrorValue.h"
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#include "ListValue.h"
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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//////////////////////////////////////////////////////////////////////
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// Construction/Destruction
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//////////////////////////////////////////////////////////////////////
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double CValue::m_sZeroVec[3] = {0.0,0.0,0.0};
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#ifndef NO_EXP_PYTHON_EMBEDDING
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PyObject* cvalue_add(PyObject*v, PyObject*w)
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{
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return ((CValue*)v)->Calc(VALUE_ADD_OPERATOR,(CValue*)w);
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}
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PyObject* cvalue_sub(PyObject*v, PyObject*w)
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{
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return ((CValue*)v)->Calc(VALUE_SUB_OPERATOR,(CValue*)w);
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}
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PyObject* cvalue_mul(PyObject*v, PyObject*w)
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{
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return ((CValue*)v)->Calc(VALUE_MUL_OPERATOR,(CValue*)w);
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}
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PyObject* cvalue_div(PyObject*v, PyObject*w)
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{
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return ((CValue*)v)->Calc(VALUE_DIV_OPERATOR,(CValue*)w);
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}
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PyObject* cvalue_neg(PyObject*v)
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{
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return ((CValue*)v)->Calc(VALUE_NEG_OPERATOR,(CValue*)v);
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}
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PyObject* cvalue_pos(PyObject*v)
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{
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return ((CValue*)v)->Calc(VALUE_POS_OPERATOR,(CValue*)v);
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}
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int MyPyCompare (PyObject* v,PyObject* w)
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{
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CValue* eqval = ((CValue*)v)->Calc(VALUE_EQL_OPERATOR,(CValue*)w);
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STR_String txt = eqval->GetText();
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eqval->Release();
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if (txt=="TRUE")
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return 0;
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CValue* lessval = ((CValue*)v)->Calc(VALUE_LES_OPERATOR,(CValue*)w);
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txt = lessval->GetText();
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lessval->Release();
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if (txt=="TRUE")
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return -1;
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return 1;
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}
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int cvalue_coerce(PyObject** pv,PyObject** pw)
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{
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if (PyInt_Check(*pw)) {
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double db = (double)PyInt_AsLong(*pw);
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*pw = new CIntValue((int) db);
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Py_INCREF(*pv);
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return 0;
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}
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else if (PyLong_Check(*pw)) {
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double db = PyLong_AsDouble(*pw);
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*pw = new CFloatValue(db);
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Py_INCREF(*pv);
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return 0;
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}
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else if (PyFloat_Check(*pw)) {
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double db = PyFloat_AsDouble(*pw);
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*pw = new CFloatValue(db);
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Py_INCREF(*pv);
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return 0;
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} else if (PyString_Check(*pw)) {
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const STR_String str = PyString_AsString(*pw);
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*pw = new CStringValue(str,"");
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Py_INCREF(*pv);
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return 0;
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}
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return 1; /* Can't do it */
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}
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static PyNumberMethods cvalue_as_number = {
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(binaryfunc)cvalue_add, /*nb_add*/
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(binaryfunc)cvalue_sub, /*nb_subtract*/
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(binaryfunc)cvalue_mul, /*nb_multiply*/
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(binaryfunc)cvalue_div, /*nb_divide*/
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0,//(binaryfunc)cvalue_remainder, /*nb_remainder*/
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0,//(binaryfunc)cvalue_divmod, /*nb_divmod*/
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0,//0,//0,//0,//(ternaryfunc)cvalue_pow, /*nb_power*/
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(unaryfunc)cvalue_neg, /*nb_negative*/
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0,//(unaryfunc)cvalue_pos, /*nb_positive*/
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0,//(unaryfunc)cvalue_abs, /*nb_absolute*/
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0,//(inquiry)cvalue_nonzero, /*nb_nonzero*/
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0, /*nb_invert*/
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0, /*nb_lshift*/
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0, /*nb_rshift*/
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0, /*nb_and*/
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0, /*nb_xor*/
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0, /*nb_or*/
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(coercion)cvalue_coerce, /*nb_coerce*/
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0,//(unaryfunc)cvalue_int, /*nb_int*/
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0,//(unaryfunc)cvalue_long, /*nb_long*/
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0,//(unaryfunc)cvalue_float, /*nb_float*/
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0, /*nb_oct*/
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0, /*nb_hex*/
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};
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PyTypeObject CValue::Type = {
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PyObject_HEAD_INIT(&PyType_Type)
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0,
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"CValue",
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sizeof(CValue),
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0,
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PyDestructor,
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0,
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__getattr,
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__setattr,
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&MyPyCompare,
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__repr,
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&cvalue_as_number,
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0,
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0,
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0,
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0
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};
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PyParentObject CValue::Parents[] = {
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&CValue::Type,
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NULL
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};
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PyMethodDef CValue::Methods[] = {
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// { "printHello", (PyCFunction) CValue::sPyPrintHello, Py_NEWARGS},
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{ "getName", (PyCFunction) CValue::sPyGetName, Py_NEWARGS},
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{NULL,NULL} //Sentinel
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};
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PyObject* CValue::PyGetName(PyObject* self,PyObject* args,PyObject* kwds)
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{
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PyObject* pyname = PyString_FromString(this->GetName());
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return pyname;
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}
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CValue::CValue(PyTypeObject *T)
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: PyObjectPlus(T),
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#else
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CValue::CValue()
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:
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#endif //NO_EXP_PYTHON_EMBEDDING
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m_pNamedPropertyArray(NULL),
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m_refcount(1)
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/*
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pre: false
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effect: constucts a CValue
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*/
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{
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//debug(gRefCountValue++) // debugging
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}
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CValue::~CValue()
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/*
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pre:
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effect: deletes the object
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*/
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{
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ClearProperties();
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assertd (m_refcount==0);
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}
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#define VALUE_SUB(val1, val2) (val1)->Calc(VALUE_SUB_OPERATOR, val2)
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#define VALUE_MUL(val1, val2) (val1)->Calc(VALUE_MUL_OPERATOR, val2)
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#define VALUE_DIV(val1, val2) (val1)->Calc(VALUE_DIV_OPERATOR, val2)
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#define VALUE_NEG(val1) (val1)->Calc(VALUE_NEG_OPERATOR, val1)
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#define VALUE_POS(val1) (val1)->Calc(VALUE_POS_OPERATOR, val1)
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STR_String CValue::op2str (VALUE_OPERATOR op)
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{
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//pre:
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//ret: the stringrepresentation of operator op
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STR_String opmsg;
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switch (op) {
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case VALUE_ADD_OPERATOR:
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opmsg = " + ";
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break;
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case VALUE_SUB_OPERATOR:
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opmsg = " - ";
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break;
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case VALUE_MUL_OPERATOR:
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opmsg = " * ";
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break;
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case VALUE_DIV_OPERATOR:
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opmsg = " / ";
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break;
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case VALUE_NEG_OPERATOR:
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opmsg = " -";
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break;
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case VALUE_POS_OPERATOR:
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opmsg = " +";
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break;
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case VALUE_AND_OPERATOR:
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opmsg = " & ";
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break;
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case VALUE_OR_OPERATOR:
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opmsg = " | ";
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break;
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case VALUE_EQL_OPERATOR:
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opmsg = " = ";
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break;
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case VALUE_NEQ_OPERATOR:
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opmsg = " != ";
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break;
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case VALUE_NOT_OPERATOR:
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opmsg = " !";
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break;
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default:
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opmsg="Error in Errorhandling routine.";
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// AfxMessageBox("Invalid operator");
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break;
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}
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return opmsg;
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}
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//---------------------------------------------------------------------------------------------------------------------
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// Property Management
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//---------------------------------------------------------------------------------------------------------------------
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//
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// Set property <ioProperty>, overwrites and releases a previous property with the same name if needed
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//
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void CValue::SetProperty(const STR_String & name,CValue* ioProperty)
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{
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// Check if somebody is setting an empty property
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if (ioProperty==NULL)
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{
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trace("Warning:trying to set empty property!");
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return;
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}
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// Make sure we have a property array
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if (m_pNamedPropertyArray == NULL)
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m_pNamedPropertyArray = new std::map<STR_String,CValue *>;
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// Try to replace property (if so -> exit as soon as we replaced it)
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CValue* oldval = (*m_pNamedPropertyArray)[name];
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if (oldval)
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{
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oldval->Release();
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}
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// Add property at end of array
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(*m_pNamedPropertyArray)[name] = ioProperty;//->Add(ioProperty);
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}
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//
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// Get pointer to a property with name <inName>, returns NULL if there is no property named <inName>
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//
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CValue* CValue::GetProperty(const STR_String & inName)
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{
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// Check properties, as soon as we found it -> Return a pointer to the property
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CValue* result = NULL;
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if (m_pNamedPropertyArray)
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{
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std::map<STR_String,CValue*>::iterator it = (*m_pNamedPropertyArray).find(inName);
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if (!( it==m_pNamedPropertyArray->end()))
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{
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result = (*it).second;
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}
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}
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//for (int i=0; i<m_pValuePropertyArray->size(); i++)
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// if ((*m_pValuePropertyArray)[i]->GetName() == inName)
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// return (*m_pValuePropertyArray)[i];
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// Did not find property with name <inName>, return NULL property pointer
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return result;
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}
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//
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// Get text description of property with name <inName>, returns an empty string if there is no property named <inName>
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//
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STR_String CValue::GetPropertyText(const STR_String & inName,const STR_String& deftext)
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{
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CValue *property = GetProperty(inName);
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if (property)
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return property->GetText();
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else
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return deftext;//String::sEmpty;
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}
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float CValue::GetPropertyNumber(const STR_String& inName,float defnumber)
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{
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CValue *property = GetProperty(inName);
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if (property)
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return property->GetNumber();
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else
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return defnumber;
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}
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//
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// Remove the property named <inName>, returns true if the property was succesfully removed, false if property was not found or could not be removed
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//
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bool CValue::RemoveProperty(const STR_String & inName)
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{
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// Check if there are properties at all which can be removed
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if (m_pNamedPropertyArray == NULL)
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return false;
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// Scan all properties, as soon as we find one with <inName> -> Remove it
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// CValue* val = (*m_pNamedPropertyArray)[inName];
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if (m_pNamedPropertyArray->erase(inName)) return true;
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return false;
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}
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//
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// Clear all properties
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//
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void CValue::ClearProperties()
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{
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// Check if we have any properties
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if (m_pNamedPropertyArray == NULL)
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return;
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// Remove all properties
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for ( std::map<STR_String,CValue*>::iterator it = m_pNamedPropertyArray->begin();
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!(it == m_pNamedPropertyArray->end());it++)
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{
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CValue* tmpval = (*it).second;
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STR_String name = (*it).first;
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tmpval->Release();
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}
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// Delete property array
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delete m_pNamedPropertyArray;
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m_pNamedPropertyArray=NULL;
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}
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//
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// Set all properties' modified flag to <inModified>
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//
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void CValue::SetPropertiesModified(bool inModified)
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{
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int numprops = GetPropertyCount();
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for (int i=0; i<numprops; i++)
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GetProperty(i)->SetModified(inModified);
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}
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//
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// Check if any of the properties in this value have been modified
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//
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bool CValue::IsAnyPropertyModified()
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{
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int numprops = GetPropertyCount();
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for (int i=0;i<numprops;i++)
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if (GetProperty(i)->IsModified())
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return true;
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return false;
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}
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//
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// Get property number <inIndex>
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//
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CValue* CValue::GetProperty(int inIndex)
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{
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int count=0;
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CValue* result = NULL;
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if (m_pNamedPropertyArray)
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{
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for ( std::map<STR_String,CValue*>::iterator it = m_pNamedPropertyArray->begin();
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!(it == m_pNamedPropertyArray->end());it++)
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{
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if (count++==inIndex)
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{
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result = (*it).second;
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break;
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}
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}
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}
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return result;
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}
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//
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// Get the amount of properties assiocated with this value
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//
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int CValue::GetPropertyCount()
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{
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if (m_pNamedPropertyArray)
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return m_pNamedPropertyArray->size();
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else
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return 0;
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}
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void CValue::CloneProperties(CValue *replica)
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{
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if (m_pNamedPropertyArray)
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{
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replica->m_pNamedPropertyArray=NULL;
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for ( std::map<STR_String,CValue*>::iterator it = m_pNamedPropertyArray->begin();
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!(it == m_pNamedPropertyArray->end());it++)
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{
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replica->SetProperty((*it).first,(*it).second->GetReplica());
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}
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}
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}
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double* CValue::GetVector3(bool bGetTransformedVec)
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{
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assertd(false); // don;t get vector from me
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return m_sZeroVec;//::sZero;
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}
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/*---------------------------------------------------------------------------------------------------------------------
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Reference Counting
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---------------------------------------------------------------------------------------------------------------------*/
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//
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// Add a reference to this value
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//
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CValue *CValue::AddRef()
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{
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// Increase global reference count, used to see at the end of the program
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// if all CValue-derived classes have been dereferenced to 0
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//debug(gRefCountValue++);
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m_refcount++;
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return this;
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}
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//
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// Release a reference to this value (when reference count reaches 0, the value is removed from the heap)
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//
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int CValue::Release()
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{
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// Decrease global reference count, used to see at the end of the program
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// if all CValue-derived classes have been dereferenced to 0
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//debug(gRefCountValue--);
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// Decrease local reference count, if it reaches 0 the object should be freed
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if (--m_refcount > 0)
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{
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// Reference count normal, return new reference count
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return m_refcount;
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}
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else
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{
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// Reference count reached 0, delete ourselves and return 0
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// MT_assert(m_refcount==0, "Reference count reached sub-zero, object released too much");
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delete this;
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return 0;
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}
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}
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//
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// Disable reference counting for this value
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//
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void CValue::DisableRefCount()
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{
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assertd(m_refcount == 1);
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m_refcount--;
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//debug(gRefCountValue--);
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m_ValFlags.RefCountDisabled=true;
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}
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void CValue::AddDataToReplica(CValue *replica)
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{
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replica->m_refcount = 1;
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//register with Python
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_Py_NewReference(replica);
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#ifdef _DEBUG
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//gRefCountValue++;
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#endif
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replica->m_ValFlags.RefCountDisabled = false;
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replica->ReplicaSetName(GetName());
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//copy all props
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CloneProperties(replica);
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}
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CValue* CValue::FindIdentifier(const STR_String& identifiername)
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{
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CValue* result = NULL;
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int pos = 0;
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// if a dot exists, explode the name into pieces to get the subcontext
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if ((pos=identifiername.Find('.'))>=0)
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{
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const STR_String rightstring = identifiername.Right(identifiername.Length() -1 - pos);
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const STR_String leftstring = identifiername.Left(pos);
|
|
CValue* tempresult = GetProperty(leftstring);
|
|
if (tempresult)
|
|
{
|
|
result=tempresult->FindIdentifier(rightstring);
|
|
}
|
|
} else
|
|
{
|
|
result = GetProperty(identifiername);
|
|
}
|
|
if (result)
|
|
return result->AddRef();
|
|
// warning here !!!
|
|
result = new CErrorValue(identifiername+" not found");
|
|
return result;
|
|
}
|
|
|
|
|
|
#ifndef NO_EXP_PYTHON_EMBEDDING
|
|
|
|
|
|
static PyMethodDef CValueMethods[] =
|
|
{
|
|
//{ "new", CValue::PyMake , Py_NEWARGS},
|
|
{ NULL,NULL} // Sentinel
|
|
};
|
|
|
|
|
|
PyObject* CValue::_getattr(const STR_String& attr)
|
|
{
|
|
CValue* resultattr = FindIdentifier(attr);
|
|
STR_String text;
|
|
if (resultattr)
|
|
{
|
|
if (resultattr->IsError())
|
|
{
|
|
resultattr->Release();
|
|
} else
|
|
{
|
|
// to avoid some compare problems, return a real pythonthing
|
|
PyObject* pyconvert = resultattr->ConvertValueToPython();
|
|
if (pyconvert)
|
|
{
|
|
resultattr->Release();
|
|
return pyconvert;
|
|
} else
|
|
{
|
|
// also check if it's already in pythoninterpreter!
|
|
return resultattr;
|
|
}
|
|
|
|
}
|
|
}
|
|
_getattr_up(PyObjectPlus);
|
|
}
|
|
|
|
CValue* CValue::ConvertPythonToValue(PyObject* pyobj)
|
|
{
|
|
|
|
CValue* vallie = NULL;
|
|
|
|
PyTypeObject* type = pyobj->ob_type;
|
|
|
|
if (type == &PyList_Type)
|
|
{
|
|
CListValue* listval = new CListValue();
|
|
bool error = false;
|
|
|
|
int i;
|
|
int numitems = PyList_Size(pyobj);
|
|
for (i=0;i<numitems;i++)
|
|
{
|
|
PyObject* listitem = PyList_GetItem(pyobj,i); /* borrowed ref */
|
|
CValue* listitemval = ConvertPythonToValue(listitem);
|
|
if (listitemval)
|
|
{
|
|
listval->Add(listitemval);
|
|
} else
|
|
{
|
|
error = true;
|
|
}
|
|
}
|
|
if (!error)
|
|
{
|
|
// jippie! could be converted
|
|
vallie = listval;
|
|
} else
|
|
{
|
|
// list could not be converted... bad luck
|
|
listval->Release();
|
|
}
|
|
|
|
} else
|
|
if (type == &PyFloat_Type)
|
|
{
|
|
float fl;
|
|
PyArg_Parse(pyobj,"f",&fl);
|
|
vallie = new CFloatValue(fl);
|
|
} else
|
|
if (type==&PyInt_Type)
|
|
{
|
|
int innie;
|
|
PyArg_Parse(pyobj,"i",&innie);
|
|
vallie = new CIntValue(innie);
|
|
} else
|
|
|
|
if (type==&PyString_Type)
|
|
{
|
|
vallie = new CStringValue(PyString_AsString(pyobj),"");
|
|
} else
|
|
if (type==&CValue::Type || type==&CListValue::Type)
|
|
{
|
|
vallie = ((CValue*) pyobj)->AddRef();
|
|
}
|
|
return vallie;
|
|
|
|
}
|
|
|
|
int CValue::_delattr(const STR_String& attr)
|
|
{
|
|
RemoveProperty(attr);
|
|
return 0;
|
|
}
|
|
|
|
int CValue::_setattr(const STR_String& attr,PyObject* pyobj)
|
|
{
|
|
CValue* vallie = ConvertPythonToValue(pyobj);
|
|
if (vallie)
|
|
{
|
|
CValue* oldprop = GetProperty(attr);
|
|
|
|
if (oldprop)
|
|
{
|
|
oldprop->SetValue(vallie);
|
|
} else
|
|
{
|
|
SetProperty(attr,vallie->AddRef());
|
|
}
|
|
vallie->Release();
|
|
}
|
|
|
|
//PyObjectPlus::_setattr(attr,value);
|
|
return 0;
|
|
};
|
|
/*
|
|
PyObject* CValue::PyMake(PyObject* ignored,PyObject* args)
|
|
{
|
|
|
|
//Py_Try(PyArg_ParseTuple(args,"s",&name));
|
|
Py_INCREF(Py_None);
|
|
return Py_None;//new CValue();
|
|
}
|
|
*/
|
|
|
|
extern "C" {
|
|
void initCValue(void)
|
|
{
|
|
Py_InitModule("CValue",CValueMethods);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
#endif //NO_EXP_PYTHON_EMBEDDING
|
|
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
/* These implementations were moved out of the header */
|
|
|
|
void CValue::SetOwnerExpression(class CExpression* expr)
|
|
{
|
|
/* intentionally empty */
|
|
}
|
|
|
|
void CValue::SetColorOperator(VALUE_OPERATOR op)
|
|
{
|
|
/* intentionally empty */
|
|
}
|
|
void CValue::SetValue(CValue* newval)
|
|
{
|
|
// no one should get here
|
|
assertd(newval->GetNumber() == 10121969);
|
|
}
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////////////////////////
|
|
|