2006-08-05 20:00:56 +04:00
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// $Id$
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2006-08-04 22:29:47 +04:00
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#include <iostream>
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#include <sstream>
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#include <algorithm>
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#include "Hypothesis.h"
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#include "TranslationAnalysis.h"
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namespace TranslationAnalysis {
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void PrintTranslationAnalysis(std::ostream &os, const Hypothesis* hypo)
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{
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std::vector<const Hypothesis*> translationPath;
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while (hypo) {
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translationPath.push_back(hypo);
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hypo = hypo->GetPrevHypo();
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}
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std::reverse(translationPath.begin(), translationPath.end());
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std::vector<std::string> droppedWords;
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std::vector<const Hypothesis*>::iterator tpi = translationPath.begin();
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++tpi; // skip initial translation state
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std::vector<std::string> sourceMap;
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std::vector<std::string> targetMap;
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for (; tpi != translationPath.end(); ++tpi) {
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std::ostringstream sms;
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std::ostringstream tms;
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std::string target = (*tpi)->GetTargetPhraseStringRep();
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std::string source = (*tpi)->GetSourcePhraseStringRep();
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WordsRange twr = (*tpi)->GetCurrTargetWordsRange();
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WordsRange swr = (*tpi)->GetCurrSourceWordsRange();
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bool epsilon = false;
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if (target == "") {
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target="<EPSILON>";
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epsilon = true;
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droppedWords.push_back(source);
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}
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os << " SOURCE: " << swr << " " << source << std::endl
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<< "TRANSLATED AS: " << target << std::endl;
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size_t twr_i = twr.GetStartPos();
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size_t swr_i = swr.GetStartPos();
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if (!epsilon) { sms << twr_i; }
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if (epsilon) { tms << "del(" << swr_i << ")"; } else { tms << swr_i; }
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swr_i++; twr_i++;
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for (; twr_i <= twr.GetEndPos(); twr_i++) {
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sms << '-' << twr_i;
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}
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for (; swr_i <= swr.GetEndPos(); swr_i++) {
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tms << '-' << swr_i;
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}
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if (!epsilon) targetMap.push_back(sms.str());
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sourceMap.push_back(tms.str());
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}
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std::vector<std::string>::iterator si = sourceMap.begin();
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std::vector<std::string>::iterator ti = targetMap.begin();
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os << "SOURCE:";
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for (; si != sourceMap.end(); ++si) {
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os << " " << *si;
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}
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os << std::endl << "TARGET:";
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for (; ti != targetMap.end(); ++ti) {
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os << " " << *ti;
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}
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os << std::endl;
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if (droppedWords.size() > 0) {
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std::vector<std::string>::iterator dwi = droppedWords.begin();
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os << "WORDS/PHRASES DROPPED:" << std::endl;
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for (; dwi != droppedWords.end(); ++dwi) {
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os << "\t" << *dwi << std::endl;
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}
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}
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}
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}
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