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// in the documentation and/or other materials provided with the
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// contributors may be used to endorse or promote products derived from
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#include <sys/stat.h>
#include <sys/types.h>
#include <string>
#include <vector>
#include "base/util.h"
#include "base/singleton.h"
#include "converter/segments.h"
#include "rewriter/collocation_rewriter.h"
#include "rewriter/rewriter_interface.h"
#include "rewriter/date_rewriter.h"
#include "rewriter/number_rewriter.h"
#include "rewriter/single_kanji_rewriter.h"
#include "rewriter/symbol_rewriter.h"
#include "rewriter/user_segment_history_rewriter.h"
#include "rewriter/user_boundary_history_rewriter.h"
#include "rewriter/version_rewriter.h"
namespace mozc {
namespace {
class RewriterImpl: public RewriterInterface {
public:
RewriterImpl();
virtual ~RewriterImpl();
// Rewrite request and/or result.
// Can call converter if need be
virtual bool Rewrite(Segments *segments) const;
// Hook(s) for all mutable operations
virtual void Finish(Segments *segments);
virtual bool Sync();
virtual void Clear();
private:
SingleKanjiRewriter *single_kanji_rewriter_;
SymbolRewriter *symbol_rewriter_;
NumberRewriter *number_rewriter_;
CollocationRewriter *collocation_rewriter_;
DateRewriter *date_rewriter_;
UserBoundaryHistoryRewriter *user_boundary_history_rewriter_;
UserSegmentHistoryRewriter *user_segment_history_rewriter_;
VersionRewriter *version_rewriter_;
vector<RewriterInterface *> rewriters_;
};
RewriterImpl::RewriterImpl()
: single_kanji_rewriter_(new SingleKanjiRewriter),
symbol_rewriter_(new SymbolRewriter),
number_rewriter_(new NumberRewriter),
collocation_rewriter_(new CollocationRewriter),
date_rewriter_(new DateRewriter),
user_boundary_history_rewriter_(new UserBoundaryHistoryRewriter),
user_segment_history_rewriter_(new UserSegmentHistoryRewriter),
version_rewriter_(new VersionRewriter) {
rewriters_.push_back(single_kanji_rewriter_);
rewriters_.push_back(symbol_rewriter_);
rewriters_.push_back(number_rewriter_);
rewriters_.push_back(collocation_rewriter_);
rewriters_.push_back(date_rewriter_);
rewriters_.push_back(user_boundary_history_rewriter_);
rewriters_.push_back(user_segment_history_rewriter_);
rewriters_.push_back(version_rewriter_);
}
RewriterImpl::~RewriterImpl() {
delete single_kanji_rewriter_;
delete symbol_rewriter_;
delete number_rewriter_;
delete collocation_rewriter_;
delete date_rewriter_;
delete user_boundary_history_rewriter_;
delete user_segment_history_rewriter_;
delete version_rewriter_;
rewriters_.clear();
}
void RewriterImpl::Finish(Segments *segments) {
for (size_t i = 0; i < rewriters_.size(); ++i) {
rewriters_[i]->Finish(segments);
}
}
bool RewriterImpl::Rewrite(Segments *segments) const {
bool result = false;
for (size_t i = 0; i < rewriters_.size(); ++i) {
result |= rewriters_[i]->Rewrite(segments);
}
return result;
}
bool RewriterImpl::Sync() {
bool result = false;
for (size_t i = 0; i < rewriters_.size(); ++i) {
result |= rewriters_[i]->Sync();
}
return result;
}
void RewriterImpl::Clear() {
for (size_t i = 0; i < rewriters_.size(); ++i) {
rewriters_[i]->Clear();
}
}
RewriterInterface *g_rewriter = NULL;
} // namespace
RewriterInterface *RewriterFactory::GetRewriter() {
if (g_rewriter == NULL) {
return Singleton<RewriterImpl>::get();
} else {
return g_rewriter;
}
}
void RewriterFactory::SetRewriter(RewriterInterface *rewriter) {
g_rewriter = rewriter;
}
} // namespace mozc