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#include "Rule.h"
#include "Node.h"
#include "Subgraph.h"
namespace MosesTraining
{
namespace Syntax
{
namespace GHKM
{
int Rule::Scope(const std::vector<Symbol> &symbols)
{
int scope = 0;
bool predIsNonTerm = false;
if (symbols[0].GetType() == NonTerminal) {
++scope;
predIsNonTerm = true;
}
for (std::size_t i = 1; i < symbols.size(); ++i) {
bool isNonTerm = symbols[i].GetType() == NonTerminal;
if (isNonTerm && predIsNonTerm) {
++scope;
}
predIsNonTerm = isNonTerm;
}
if (predIsNonTerm) {
++scope;
}
return scope;
}
bool Rule::PartitionOrderComp(const Node *a, const Node *b)
{
const Span &aSpan = a->GetSpan();
const Span &bSpan = b->GetSpan();
assert(!aSpan.empty() && !bSpan.empty());
return *(aSpan.begin()) < *(bSpan.begin());
}
} // namespace GHKM
} // namespace Syntax
} // namespace MosesTraining
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