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#include "ff_factory.h"
#include "ff.h"
#include "stringlib.h"
#include <stdexcept>
using boost::shared_ptr;
using namespace std;
UntypedFactory::~UntypedFactory() { }
namespace {
std::string const& debug_pre="debug";
}
void UntypedFactoryRegistry::clear() {
reg_.clear();
}
bool UntypedFactoryRegistry::parse_debug(std::string & param) {
int pl=debug_pre.size();
bool space=false;
std::string p=param;
bool debug=match_begin(p,debug_pre)&&
(p.size()==pl || (space=(p[pl]==' ')));
if (debug)
p.erase(0,debug_pre.size()+space);
return debug;
}
bool UntypedFactoryRegistry::have(std::string const& ffname) {
return reg_.find(ffname)!=reg_.end();
}
void UntypedFactoryRegistry::DisplayList() const {
for (Factmap::const_iterator it = reg_.begin();
it != reg_.end(); ++it) {
cerr << " " << it->first << endl;
}
}
string UntypedFactoryRegistry::usage(string const& ffname,bool params,bool verbose) const {
Factmap::const_iterator it = reg_.find(ffname);
return it == reg_.end()
? "Unknown feature " + ffname
: it->second->usage(params,verbose);
}
void UntypedFactoryRegistry::Register(const string& ffname, UntypedFactory* factory) {
if (reg_.find(ffname) != reg_.end()) {
cerr << "Duplicate registration of FeatureFunction with name " << ffname << "!\n";
abort();
}
reg_[ffname].reset(factory);
}
void UntypedFactoryRegistry::Register(UntypedFactory* factory)
{
Register(factory->usage(false,false),factory);
}
/*FIXME: I want these to go in ff_factory.cc, but extern etc. isn't workign right:
../decoder/libcdec.a(ff_factory.o): In function `~UntypedFactory':
/nfs/topaz/graehl/ws10smt/decoder/ff_factory.cc:9: multiple definition of `global_ff_registry'
mr_vest_generate_mapper_input.o:/nfs/topaz/graehl/ws10smt/vest/mr_vest_generate_mapper_input.cc:307: first defined here
*/
FsaFFRegistry fsa_ff_registry;
FFRegistry ff_registry;
/*
namespace {
struct null_deleter
{
template <class F>
void operator()(F const& f) const { }
};
boost::shared_ptr<FsaFFRegistry> global_fsa_ff_registry(&fsa_ff_registry,null_deleter());
boost::shared_ptr<FFRegistry> global_ff_registry(&ff_registry,null_deleter());
*/
void ff_usage(std::string const& n,std::ostream &out)
{
bool have=ff_registry.have(n);
if (have)
cout<<"FF "<<ff_registry.usage(n,true,true)<<endl;
if (fsa_ff_registry.have(n))
cout<<"Fsa FF "<<fsa_ff_registry.usage(n,true,true)<<endl;
else if (!have)
throw std::runtime_error("Unknown feature "+n);
}
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