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Added pystream_handler_wrap class, which wraps an item_handler taking

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a std::ostream so that it can take a PyObject* instead.  Relies on
pyfstream.h, which allows Python file objects to be treating as I/O
streams.
This commit is contained in:
John Wiegley 2005-02-15 10:28:48 +00:00
parent bb444b740f
commit 16e449dc05
1 changed files with 38 additions and 1 deletions
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39
format.h
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@ -7,7 +7,8 @@
namespace ledger {
std::string truncated(const std::string& str, unsigned int width);
std::string truncated(const std::string& str, unsigned int width,
const int style = 2);
std::string partial_account_name(const account_t& account,
const unsigned int start_depth);
@ -198,4 +199,40 @@ class format_equity : public item_handler<account_t>
} // namespace ledger
#ifdef USE_BOOST_PYTHON
#include "pyfstream.h"
template <typename T, typename U, typename V = int, typename W = int>
struct pystream_handler_wrap : public ledger::item_handler<U>
{
PyFileObject * file;
pyofstream * output;
T handler;
pystream_handler_wrap(PyObject * file_)
: file((PyFileObject *)file_), output(new pyofstream(file)),
handler(*output) {}
pystream_handler_wrap(PyObject * file_, const V& arg)
: file((PyFileObject *)file_), output(new pyofstream(file)),
handler(*output, arg) {}
pystream_handler_wrap(PyObject * file_, const V& arg1, const W& arg2)
: file((PyFileObject *)file_), output(new pyofstream(file)),
handler(*output, arg1, arg2) {}
virtual ~pystream_handler_wrap() {
delete output;
}
virtual void flush() {
handler.flush();
}
virtual void operator()(U& item) {
handler.operator()(item);
}
};
#endif // USE_BOOST_PYTHON
#endif // _REPORT_H