/usr/include/libecap/common/options.h is in libecap3-dev 1.0.1-3ubuntu3.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | /* (C) 2008 The Measurement Factory */
#ifndef LIBECAP__COMMON__OPTIONS_H
#define LIBECAP__COMMON__OPTIONS_H
#include <libecap/common/forward.h>
namespace libecap {
// API to allow one side to read option values stored on the other side.
// Used to share configuration information (similar to ICAP OPTIONS exchange).
// Used to share transaction meta-information (similar to ICAP message header).
// Options objects and individual option values may be temporary. They must not
// be used beyond the method call that supplied or asked for them.
class Options {
public:
virtual ~Options() {}
// returns the value of the named option; empty if unsupported/unknown
// best for accessing a few known options when many options may exist
virtual const Area option(const Name &name) const = 0;
// calls visitor for each option name:value pair
// accesses all options, including those w/o known-to-visitor names
virtual void visitEachOption(NamedValueVisitor &visitor) const = 0;
};
} // namespace libecap
#endif
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