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//
// Copyleft RIME Developers
// License: GPLv3
//
// 2011-7-12 Zou xu <zouivex@gmail.com>
//
#ifndef RIME_SYLLABIFIER_H_
#define RIME_SYLLABIFIER_H_
#include <stdint.h>
#include <map>
#include <string>
#include "spelling.h"
namespace rime {
class Prism;
typedef int32_t SyllableId;
typedef std::map<SyllableId, SpellingProperties> SpellingMap;
typedef std::map<size_t, SpellingType> VertexMap;
typedef std::map<size_t, SpellingMap> EndVertexMap;
typedef std::map<size_t, EndVertexMap> EdgeMap;
typedef std::vector<const SpellingProperties*> SpellingPropertiesList;
typedef std::map<SyllableId, SpellingPropertiesList> SpellingIndex;
typedef std::map<size_t, SpellingIndex> SpellingIndices;
struct SyllableGraph {
size_t input_length;
size_t interpreted_length;
VertexMap vertices;
EdgeMap edges;
SpellingIndices indices;
SyllableGraph() : input_length(0), interpreted_length(0) {}
};
class Syllabifier {
public:
Syllabifier()
: enable_completion_(false),
strict_spelling_(false) {
}
explicit Syllabifier(const std::string &delimiters,
bool enable_completion = false,
bool strict_spelling = false)
: delimiters_(delimiters),
enable_completion_(enable_completion),
strict_spelling_(strict_spelling) {
}
int BuildSyllableGraph(const std::string &input,
Prism &prism,
SyllableGraph *graph);
protected:
void CheckOverlappedSpellings(SyllableGraph *graph,
size_t start, size_t end);
void Transpose(SyllableGraph* graph);
std::string delimiters_;
bool enable_completion_;
bool strict_spelling_;
};
} // namespace rime
#endif // RIME_SYLLABIFIER_H_
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