mirror of
https://github.com/moses-smt/mosesdecoder.git
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79 lines
2.2 KiB
C++
79 lines
2.2 KiB
C++
// -*- c++ -*-
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#ifndef moses_TreeInput_h
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#define moses_TreeInput_h
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#include <vector>
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#include "Sentence.h"
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namespace Moses
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{
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class TranslationTask;
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//! @todo what is this?
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class XMLParseOutput
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{
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public:
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std::string m_label;
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Range m_range;
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XMLParseOutput(const std::string &label, const Range &range)
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: m_label(label)
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, m_range(range) {
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}
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};
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/** An input to the decoder that represent a parse tree.
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* Implemented as a sentence with non-terminal labels over certain ranges.
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* This representation doesn't necessarily have to form a tree, it's up to the user to make sure it does if they really want a tree.
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* @todo Need to rewrite if you want packed forest, or packed forest over lattice - not sure if can inherit from this
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*/
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class TreeInput : public Sentence
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{
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friend std::ostream& operator<<(std::ostream&, const TreeInput&);
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protected:
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std::vector<std::vector<NonTerminalSet> > m_sourceChart;
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std::vector<XMLParseOutput> m_labelledSpans;
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void AddChartLabel(size_t startPos, size_t endPos, const std::string &label);
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void AddChartLabel(size_t startPos, size_t endPos, const Word &label);
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NonTerminalSet &GetLabelSet(size_t startPos, size_t endPos) {
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return m_sourceChart[startPos][endPos - startPos];
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}
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bool ProcessAndStripXMLTags(AllOptions const& opts, std::string &line,
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std::vector<XMLParseOutput> &sourceLabels,
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std::vector<XmlOption const*> &res);
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public:
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TreeInput(AllOptions::ptr const& opts) : Sentence(opts) { }
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InputTypeEnum GetType() const {
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return TreeInputType;
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}
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//! populate this InputType with data from in stream
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virtual int
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Read(std::istream& in);
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//! Output debugging info to stream out
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virtual void Print(std::ostream&) const;
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//! create trans options specific to this InputType
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virtual TranslationOptionCollection* CreateTranslationOptionCollection() const;
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virtual const NonTerminalSet &GetLabelSet(size_t startPos, size_t endPos) const {
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return m_sourceChart[startPos][endPos - startPos];
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}
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//! Get the XMLParseOutput objects in the order they were created.
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const std::vector<XMLParseOutput> &GetLabelledSpans() const {
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return m_labelledSpans;
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}
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};
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}
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#endif
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