mirror of
https://github.com/moses-smt/mosesdecoder.git
synced 2024-12-28 14:32:38 +03:00
91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
// -*- mode: c++; indent-tabs-mode: nil; tab-width: 2 -*-
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#include "SearchOptions.h"
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namespace Moses
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{
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SearchOptions::
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SearchOptions(Parameter const& param)
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: stack_diversity(0)
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{
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init(param);
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}
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bool
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SearchOptions::
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init(Parameter const& param)
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{
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param.SetParameter(algo, "search-algorithm", Normal);
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param.SetParameter(stack_size, "stack", DEFAULT_MAX_HYPOSTACK_SIZE);
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param.SetParameter(stack_diversity, "stack-diversity", size_t(0));
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param.SetParameter(beam_width, "beam-threshold", DEFAULT_BEAM_WIDTH);
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param.SetParameter(early_discarding_threshold, "early-discarding-threshold",
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DEFAULT_EARLY_DISCARDING_THRESHOLD);
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param.SetParameter(timeout, "time-out", 0);
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param.SetParameter(max_phrase_length, "max-phrase-length",
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DEFAULT_MAX_PHRASE_LENGTH);
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param.SetParameter(trans_opt_threshold, "translation-option-threshold",
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DEFAULT_TRANSLATION_OPTION_THRESHOLD);
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param.SetParameter(max_trans_opt_per_cov, "max-trans-opt-per-coverage",
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DEFAULT_MAX_TRANS_OPT_SIZE);
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param.SetParameter(max_partial_trans_opt, "max-partial-trans-opt",
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DEFAULT_MAX_PART_TRANS_OPT_SIZE);
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param.SetParameter(consensus, "consensus-decoding", false);
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// transformation to log of a few scores
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beam_width = TransformScore(beam_width);
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trans_opt_threshold = TransformScore(trans_opt_threshold);
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early_discarding_threshold = TransformScore(early_discarding_threshold);
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return true;
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}
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bool
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is_syntax(SearchAlgorithm algo)
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{
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return (algo == CYKPlus || algo == ChartIncremental ||
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algo == SyntaxS2T || algo == SyntaxT2S ||
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algo == SyntaxF2S || algo == SyntaxT2S_SCFG);
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}
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#ifdef HAVE_XMLRPC_C
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bool
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SearchOptions::
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update(std::map<std::string,xmlrpc_c::value>const& params)
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{
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typedef std::map<std::string, xmlrpc_c::value> params_t;
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params_t::const_iterator si = params.find("search-algorithm");
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if (si != params.end())
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{
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// use named parameters
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std::string spec = xmlrpc_c::value_string(si->second);
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if (spec == "normal" || spec == "0") algo = Normal;
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else if (spec == "cube" || spec == "1") algo = CubePruning;
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else throw xmlrpc_c::fault("Unsupported search algorithm",
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xmlrpc_c::fault::CODE_PARSE);
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}
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si = params.find("stack");
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if (si != params.end()) stack_size = xmlrpc_c::value_int(si->second);
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si = params.find("stack-diversity");
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if (si != params.end()) stack_diversity = xmlrpc_c::value_int(si->second);
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si = params.find("beam-threshold");
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if (si != params.end()) beam_width = xmlrpc_c::value_double(si->second);
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si = params.find("time-out");
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if (si != params.end()) timeout = xmlrpc_c::value_int(si->second);
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si = params.find("max-phrase-length");
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if (si != params.end()) max_phrase_length = xmlrpc_c::value_int(si->second);
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return true;
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}
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#endif
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}
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