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-rw-r--r--extractor/linear_merger.cc65
1 files changed, 0 insertions, 65 deletions
diff --git a/extractor/linear_merger.cc b/extractor/linear_merger.cc
deleted file mode 100644
index e7a32788..00000000
--- a/extractor/linear_merger.cc
+++ /dev/null
@@ -1,65 +0,0 @@
-#include "linear_merger.h"
-
-#include <cmath>
-
-#include "data_array.h"
-#include "matching.h"
-#include "matching_comparator.h"
-#include "phrase.h"
-#include "phrase_location.h"
-#include "vocabulary.h"
-
-LinearMerger::LinearMerger(shared_ptr<Vocabulary> vocabulary,
- shared_ptr<DataArray> data_array,
- shared_ptr<MatchingComparator> comparator) :
- vocabulary(vocabulary), data_array(data_array), comparator(comparator) {}
-
-LinearMerger::LinearMerger() {}
-
-LinearMerger::~LinearMerger() {}
-
-void LinearMerger::Merge(
- vector<int>& locations, const Phrase& phrase, const Phrase& suffix,
- vector<int>::iterator prefix_start, vector<int>::iterator prefix_end,
- vector<int>::iterator suffix_start, vector<int>::iterator suffix_end,
- int prefix_subpatterns, int suffix_subpatterns) {
- int last_chunk_len = suffix.GetChunkLen(suffix.Arity());
- bool offset = !vocabulary->IsTerminal(suffix.GetSymbol(0));
-
- while (prefix_start != prefix_end) {
- Matching left(prefix_start, prefix_subpatterns,
- data_array->GetSentenceId(*prefix_start));
-
- while (suffix_start != suffix_end) {
- Matching right(suffix_start, suffix_subpatterns,
- data_array->GetSentenceId(*suffix_start));
- if (comparator->Compare(left, right, last_chunk_len, offset) > 0) {
- suffix_start += suffix_subpatterns;
- } else {
- break;
- }
- }
-
- int start_position = *prefix_start;
- vector<int> :: iterator i = suffix_start;
- while (prefix_start != prefix_end && *prefix_start == start_position) {
- Matching left(prefix_start, prefix_subpatterns,
- data_array->GetSentenceId(*prefix_start));
-
- while (i != suffix_end) {
- Matching right(i, suffix_subpatterns, data_array->GetSentenceId(*i));
- int comparison = comparator->Compare(left, right, last_chunk_len,
- offset);
- if (comparison == 0) {
- vector<int> merged = left.Merge(right, phrase.Arity() + 1);
- locations.insert(locations.end(), merged.begin(), merged.end());
- } else if (comparison < 0) {
- break;
- }
- i += suffix_subpatterns;
- }
-
- prefix_start += prefix_subpatterns;
- }
- }
-}