summaryrefslogtreecommitdiff
path: root/extractor/phrase.h
diff options
context:
space:
mode:
Diffstat (limited to 'extractor/phrase.h')
-rw-r--r--extractor/phrase.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/extractor/phrase.h b/extractor/phrase.h
index 6521c438..a8e91e3c 100644
--- a/extractor/phrase.h
+++ b/extractor/phrase.h
@@ -11,20 +11,30 @@ using namespace std;
namespace extractor {
+/**
+ * Structure containing the data for a phrase.
+ */
class Phrase {
public:
friend Phrase PhraseBuilder::Build(const vector<int>& phrase);
+ // Returns the number of nonterminals in the phrase.
int Arity() const;
+ // Returns the number of terminals (length) for the given chunk. (A chunk is a
+ // contiguous sequence of terminals in the phrase).
int GetChunkLen(int index) const;
+ // Returns the symbols (word ids) marking up the phrase.
vector<int> Get() const;
+ // Returns the symbol located at the given position in the phrase.
int GetSymbol(int position) const;
+ // Returns the number of symbols in the phrase.
int GetNumSymbols() const;
+ // Returns the words making up the phrase. (Nonterminals are stripped out.)
vector<string> GetWords() const;
bool operator<(const Phrase& other) const;