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// $Id: OnlineCommand.cpp 3428 2010-09-13 17:55:23Z nicolabertoldi $
// vim:tabstop=2
/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
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 GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
***********************************************************************/
#include <stdexcept>
#include "StaticData.h" // needed for debugging purpose only
#include "OnlineCommand.h"
#include "Util.h"
using namespace std;
#define COMMAND_KEYWORD "@CMD@"
namespace Moses
{
OnlineCommand::OnlineCommand()
{
VERBOSE(3,"OnlineCommand::OnlineCommand()" << std::endl);
VERBOSE(3,"COMMAND_KEYWORD: " << COMMAND_KEYWORD << std::endl);
command_type = '\0';
command_value = '\0';
accepted_commands.push_back("-weight-l"); // weight(s) for language models
accepted_commands.push_back("-weight-t"); // weight(s) for translation model components
accepted_commands.push_back("-weight-d"); // weight(s) for distortion (reordering components)
accepted_commands.push_back("-weight-w"); // weight for word penalty
accepted_commands.push_back("-weight-u"); // weight for unknown words penalty
accepted_commands.push_back("-weight-g"); // weight(s) for global lexical model components
accepted_commands.push_back("-weight-b"); // weight(s) for global lexical model components
accepted_commands.push_back("-verbose"); // weights for translation model components
}
bool OnlineCommand::Parse(std::string& line)
{
VERBOSE(3,"OnlineCommand::Parse(std::string& line)" << std::endl);
int next_string_pos = 0;
string firststring = GetFirstString(line, next_string_pos);
bool flag = false;
if (firststring.compare(COMMAND_KEYWORD) == 0){
command_type = GetFirstString(line, next_string_pos);
for (vector<string>::const_iterator iterParam = accepted_commands.begin(); iterParam!=accepted_commands.end(); ++iterParam) {
if (command_type.compare(*iterParam) == 0){ //requested command is found
command_value = line.substr(next_string_pos);
flag = true;
}
}
if (!flag){
VERBOSE(3,"OnlineCommand::Parse: This command |" << command_type << "| is unknown." << std::endl);
}
return true;
}else{
return false;
}
}
void OnlineCommand::Execute() const
{
std::cerr << "void OnlineCommand::Execute() const" << std::endl;
VERBOSE(3,"OnlineCommand::Execute() const" << std::endl);
StaticData &staticData = StaticData::InstanceNonConst();
VERBOSE(1,"Handling online command: " << COMMAND_KEYWORD << " " << command_type << " " << command_value << std::endl);
// weights
vector<float> actual_weights;
vector<float> weights;
PARAM_VEC values;
bool flag = false;
for(vector<std::string>::const_iterator iterParam = accepted_commands.begin(); iterParam != accepted_commands.end(); iterParam++)
{
std::string paramName = *iterParam;
if (command_type.compare(paramName) == 0){ //requested command is paramName
Tokenize(values, command_value);
//remove initial "-" character
paramName.erase(0,1);
staticData.GetParameter()->OverwriteParam(paramName, values);
staticData.ReLoadParameter();
// check on weights
const ScoreComponentCollection& weights = staticData.GetAllWeights();
IFVERBOSE(2) {
TRACE_ERR("The global weight vector looks like this: ");
TRACE_ERR(weights);
TRACE_ERR("\n");
}
flag = true;
}
}
if (!flag){
TRACE_ERR("ERROR: The command |" << command_type << "| is unknown." << std::endl);
}
}
void OnlineCommand::Print(std::ostream& out) const
{
VERBOSE(3,"OnlineCommand::Print(std::ostream& out) const" << std::endl);
out << command_type << " -> " << command_value << "\n";
}
void OnlineCommand::Clean()
{
VERBOSE(3,"OnlineCommand::Clean() const" << std::endl);
command_type = '\0';
command_value = '\0';
}
}
|
