lib/pronunciation.h


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#ifndef PRONUNCIATION_H_C68F86B0
#define PRONUNCIATION_H_C68F86B0

#include <stdexcept>
#include <vector>
#include <string>
#include "field.h"
#include "filter.h"

struct sqlite3_stmt;

namespace verbly {

  class form;
  class word;
  class database;

  class pronunciation {
  public:

    // Default constructor

    pronunciation() = default;

    // Construct from database

    pronunciation(const database& db, sqlite3_stmt* row);

    // Accessors

    bool isValid() const
    {
      return valid_;
    }

    int getId() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      return id_;
    }

    const std::vector<std::string>& getPhonemes() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      return phonemes_;
    }

    int getSyllables() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      return syllables_;
    }

    std::string getStress() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      return stress_;
    }

    bool hasRhyme() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      return hasRhyme_;
    }

    std::string getPrerhyme() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      if (!hasRhyme_)
      {
        throw std::domain_error("This pronunciation has no rhyme");
      }

      return prerhyme_;
    }

    std::string getRhyme() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      if (!hasRhyme_)
      {
        throw std::domain_error("This pronunciation has no rhyme");
      }

      return rhyme_;
    }

    // Type info

    static const object objectType;

    static const std::list<std::string> select;

    // Query fields

    static const field id;
    static const field numOfSyllables;
    static const field stress;

    operator filter() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      return (id == id_);
    }

    filter operator!() const
    {
      if (!valid_)
      {
        throw std::domain_error("Bad access to uninitialized pronunciation");
      }

      return (id != id_);
    }

    // Relationships to other objects

    static const field forms;

    // Rhyming relationship

    class rhymes_field {
    public:

      filter operator%=(filter joinCondition) const;

      operator filter() const;

    private:

      static const field rhymeJoin;

    };

    static const rhymes_field rhymes;

  private:
    bool valid_ = false;

    int id_;
    std::vector<std::string> phonemes_;
    int syllables_;
    std::string stress_;
    bool hasRhyme_ = false;
    std::string prerhyme_;
    std::string rhyme_;

    const database* db_;

    static const field prerhyme;
    static const field rhyme;

  };

};

#endif /* end of include guard: PRONUNCIATION_H_C68F86B0 */