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udmf.cpp
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udmf.cpp
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// Copyright (C) 2009, 2010 Brendon Duncan
/* This file is a part of UDMFConvert.
UDMFConvert 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
3 of the License or (at your option) any later version.
UDMFConvert 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 this program. If not, see
<http://www.gnu.org/licenses/>. */
#include "udmf.h"
#include <math.h>
#include <cstring>
#include "exceptions.h"
#define vtod(x,y,z) switch (x) \
{ case BVT_BOOLEAN: z = y.boolval;break; \
case BVT_FLOAT: z = y.floatval;break; \
case BVT_INTEGER: z = y.intval;break; \
default: z = 0;break; }
namespace udmf
{
variant::variant()
{
this->valtype = BVT_NULL;
}
variant::variant(const variant &src)
{
this->valtype = src.valtype;
this->val = src.val;
}
variant::variant(int newval)
{
this->valtype = BVT_INTEGER;
this->val.intval = newval;
}
variant::variant(double newval)
{
this->valtype = BVT_FLOAT;
this->val.floatval = newval;
}
variant::variant(bool newval)
{
this->valtype = BVT_BOOLEAN;
this->val.boolval = newval;
}
variant::variant(const char *newval)
{
this->valtype = BVT_STRING;
this->val.stringval = new char[strlen(newval) + 1];
strcpy(this->val.stringval,newval);
}
variant::variant(const udmf::block &newval)
{
this->valtype = BVT_SUBBLOCK;
this->val.subval = new udmf::block;
*(this->val.subval) = newval;
}
variant &variant::operator=(const variant &other)
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = other.valtype;
if (other.valtype == BVT_STRING)
{
this->val.stringval = new char[strlen(other.val.stringval) + 1];
strcpy(this->val.stringval,other.val.stringval);
}
else if (other.valtype == BVT_SUBBLOCK)
{
this->val.subval = new udmf::block;
*(this->val.subval) = *(other.val.subval);
}
else
this->val = other.val;
return *this;
}
bool variant::operator>(const variant &other) const
{
double a;
double b;
vtod(this->valtype,(*this).val,a);
vtod(other.valtype,other.val,b);
return (a > b);
}
bool variant::operator<(const variant &other) const
{
double a;
double b;
vtod(this->valtype,(*this).val,a);
vtod(other.valtype,other.val,b);
return (a < b);
}
bool variant::operator>=(const variant &other) const
{
double a;
double b;
vtod(this->valtype,(*this).val,a);
vtod(other.valtype,other.val,b);
return (a >= b);
}
bool variant::operator<=(const variant &other) const
{
double a;
double b;
vtod(this->valtype,(*this).val,a);
vtod(other.valtype,other.val,b);
return (a <= b);
}
bool variant::operator==(const variant &other) const
{
if ((this->valtype == BVT_STRING) && (other.valtype == BVT_STRING))
return !strcmp(this->val.stringval,other.val.stringval);
double a;
double b;
vtod(this->valtype,(*this).val,a);
vtod(other.valtype,other.val,b);
return (a == b);
}
bool variant::operator!=(const variant &other) const
{
if ((this->valtype == BVT_STRING) && (other.valtype == BVT_STRING))
return strcmp(this->val.stringval,other.val.stringval);
double a;
double b;
vtod(this->valtype,(*this).val,a);
vtod(other.valtype,other.val,b);
return (a != b);
}
void variant::nullify()
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = BVT_NULL;
}
void variant::setint(int newval)
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = BVT_INTEGER;
this->val.intval = newval;
}
void variant::setfloat(double newval)
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = BVT_FLOAT;
this->val.floatval = newval;
}
void variant::setbool(bool newval)
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = BVT_BOOLEAN;
this->val.boolval = newval;
}
void variant::setstr(const char *newval)
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = BVT_STRING;
this->val.stringval = new char[strlen(newval) + 1];
strcpy(this->val.stringval,newval);
}
void variant::setstr(const char *newval,int len)
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = BVT_STRING;
this->val.stringval = new char[len + 1];
strncpy(this->val.stringval,newval,len);
this->val.stringval[len] = 0;
}
void variant::setsub(const udmf::block &other)
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
this->valtype = BVT_SUBBLOCK;
this->val.subval = new udmf::block;
*(this->val.subval) = other;
}
variant::~variant()
{
if (this->valtype == BVT_STRING)
delete[] this->val.stringval;
else if (this->valtype == BVT_SUBBLOCK)
delete this->val.subval;
}
void writeblock(const char *name,block b,std::ofstream &out)
{
out << name << "\n{\n";
for (block::iterator it = b.begin();it != b.end();it++)
{
if (it->second.valtype == BVT_NULL)
continue;
out << it->first << " = ";
switch (it->second.valtype)
{
case BVT_BOOLEAN:
out << (it->second.val.boolval ? "true" : "false");
break;
case BVT_FLOAT:
if (it->second.val.floatval == floor(it->second.val.floatval))
out << it->second.val.floatval << '.';
else
out << it->second.val.floatval;
break;
case BVT_INTEGER:
out << it->second.val.intval;
break;
case BVT_STRING:
out << '\"' << it->second.val.stringval << '\"';
//Does not escape strings and backslashes like it should
break;
case BVT_SUBBLOCK:
writeblock(it->first.c_str(),*(it->second.val.subval),out);
break;
default:
throw exception::root("Unknown variant type detected");
}
out << ";\n";
}
out << "}\n\n";
}
};