Added prelimanary prox stream buffer to fake the ending of file.

This commit is contained in:
Robert Osfield
2004-11-02 17:05:15 +00:00
parent fae2416584
commit ffca165611
3 changed files with 87 additions and 43 deletions

View File

@@ -9,6 +9,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/
#include <osg/Timer>
#include <osg/ArgumentParser>
#include <osg/ApplicationUsage>
@@ -22,51 +23,38 @@
#include <locale>
#include <cstdio>
template<typename _CharT, typename _Traits = std::char_traits<_CharT> >
class proxy_basic_streambuf : public std::basic_streambuf<_CharT, _Traits>
class proxy_streambuf : public std::streambuf
{
public:
typedef _CharT char_type;
typedef _Traits traits_type;
typedef typename traits_type::int_type int_type;
typedef typename traits_type::pos_type pos_type;
typedef typename traits_type::off_type off_type;
proxy_basic_streambuf(unsigned int numChars):
proxy_streambuf(std::streambuf* streambuf, unsigned int numChars):
_streambuf(streambuf),
_numChars(numChars) {}
/// Destructor deallocates no buffer space.
virtual ~proxy_basic_streambuf() {}
virtual ~proxy_streambuf() {}
std::streambuf* _streambuf;
unsigned int _numChars;
protected:
virtual int_type overflow (int_type __c = traits_type::eof())
virtual int_type uflow ()
{
if (_numChars==0)
{
putchar('E');
return traits_type::eof();
}
if (__c == traits_type::eof()) return '\n'; traits_type::not_eof(__c);
//putchar('');
if (_numChars==0) return -1;
--_numChars;
return putchar(__c);
return _streambuf->sbumpc();
}
};
typedef proxy_basic_streambuf<char> proxy_streambuf;
int main( int argc, char **argv )
{
/*
std::ifstream fin("GNUmakefile");
std::istream& ins = fin;
proxy_streambuf mystreambuf(100);
std::cout.rdbuf(&mystreambuf);
proxy_streambuf mystreambuf(ins.rdbuf(),10000);
ins.rdbuf(&mystreambuf);
while (!fin.eof())
{
@@ -74,9 +62,9 @@ int main( int argc, char **argv )
}
std::cout<<"Exiting normally "<<std::endl;
std::cout.rdbuf(0);
ins.rdbuf(mystreambuf._streambuf);
*/
/*
// use an ArgumentParser object to manage the program arguments.
osg::ArgumentParser arguments(&argc,argv);
@@ -184,8 +172,10 @@ int main( int argc, char **argv )
itr!=files.end();
++itr)
{
osg::Timer_t start = osg::Timer::instance()->tick();
osgDB::ReaderWriter::ReadResult result = archive.readObject(*itr);
osg::ref_ptr<osg::Object> obj = result.getObject();
std::cout<<"readObejct time = "<<osg::Timer::instance()->delta_m(start,osg::Timer::instance()->tick())<<std::endl;
if (obj.valid())
{
if (obj.valid()) osgDB::writeObjectFile(*obj, *itr);
@@ -202,12 +192,11 @@ int main( int argc, char **argv )
itr!=indexMap.end();
++itr)
{
std::cout<<" "<<itr->first<<"\t"<<itr->second<<std::endl;
std::cout<<" "<<itr->first<<"\t"<<itr->second.first<<"\t"<<itr->second.second<<std::endl;
}
}
*/
return 0;
}