OpenSceneGraph/include/osgDB/ParameterOutput
2012-03-21 17:36:20 +00:00

187 lines
3.8 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library 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
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGDB_PARAMETEROUTPUT
#define OSGDB_PARAMETEROUTPUT 1
#include <osgDB/Output>
namespace osgDB {
class ParameterOutput
{
public:
ParameterOutput(Output& fw):
_fw(fw),
_numItemsPerLine(fw.getNumIndicesPerLine()),
_column(0) {}
ParameterOutput(Output& fw,int numItemsPerLine):
_fw(fw),
_numItemsPerLine(numItemsPerLine),
_column(0) {}
void begin()
{
_fw.indent() << "{"<<std::endl;
_fw.moveIn();
}
void newLine()
{
if (_column!=0) _fw << std::endl;
_column = 0;
}
void end()
{
if (_column!=0) _fw << std::endl;
_fw.moveOut();
_fw.indent() << "}"<<std::endl;
_column = 0;
}
template<class T>
void write(const T& t)
{
if (_column==0) _fw.indent();
_fw << t;
++_column;
if (_column==_numItemsPerLine)
{
_fw << std::endl;
_column = 0;
}
else
{
_fw << " ";
}
}
template<class Iterator>
void write(Iterator first, Iterator last)
{
for(Iterator itr=first;
itr!=last;
++itr)
{
write(*itr);
}
}
template<class Iterator>
void writeAsInts(Iterator first, Iterator last)
{
for(Iterator itr=first;
itr!=last;
++itr)
{
write((int)*itr);
}
}
protected:
ParameterOutput& operator = (const ParameterOutput&) { return *this; }
Output& _fw;
int _numItemsPerLine;
int _column;
};
template<class Iterator>
void writeArray(Output& fw, Iterator first, Iterator last,int noItemsPerLine=0)
{
if (noItemsPerLine==0) noItemsPerLine=fw.getNumIndicesPerLine();
fw.indent() << "{"<<std::endl;
fw.moveIn();
int column=0;
for(Iterator itr=first;
itr!=last;
++itr)
{
if (column==0) fw.indent();
fw << *itr;
++column;
if (column==noItemsPerLine)
{
fw << std::endl;
column = 0;
}
else
{
fw << " ";
}
}
if (column!=0) fw << std::endl;
fw.moveOut();
fw.indent()<<"}"<<std::endl;
}
template<class Iterator>
void writeArrayAsInts(Output& fw, Iterator first, Iterator last,int noItemsPerLine=0)
{
if (noItemsPerLine==0) noItemsPerLine=fw.getNumIndicesPerLine();
fw.indent() << "{"<<std::endl;
fw.moveIn();
int column=0;
for(Iterator itr=first;
itr!=last;
++itr)
{
if (column==0) fw.indent();
fw << (int)*itr;
++column;
if (column==noItemsPerLine)
{
fw << std::endl;
column = 0;
}
else
{
fw << " ";
}
}
if (column!=0) fw << std::endl;
fw.moveOut();
fw.indent()<<"}"<<std::endl;
}
}
#endif // __SG_OUTPUT_H