machinedatabase.h

这是一个从音频信号里提取特征参量的程序

// file: $isip/class/asr/MachineDatabase/MachineDatabase.h
// version: $Id: MachineDatabase.h,v 1.5 2002/08/13 23:27:47 alphonso Exp $
//

// make sure definitions are only made once
//
#ifndef ISIP_MACHINE_DATABASE
#define ISIP_MACHINE_DATABASE

#ifndef ISIP_STRING
#include <String.h>
#endif

#ifndef ISIP_VECTOR
#include <Vector.h>
#endif

#ifndef ISIP_MACHINE
#include <Machine.h>
#endif

// forward class definitions
//
class Machine;

// MachineDatabase: a class used to represent a database of machines
//
class MachineDatabase {
  
  //--------------------------------------------------------------------------
  //
  // public constants
  //
  //--------------------------------------------------------------------------
public:
  
  // define the class name
  //
  static const String CLASS_NAME;

  //----------------------------------------
  //
  // other important constants
  //
  //----------------------------------------

  //----------------------------------------
  //
  // i/o related constants
  //
  //----------------------------------------

  static const String DEF_PARAM;
  static const String PARAM_NAME;  
  static const String PARAM_MACHINES;
  
  //----------------------------------------
  //
  // default values and arguments
  //
  //----------------------------------------
  
  // default values
  //
  
  //---------------------------------------------------------------------------
  //
  // protected data
  //
  //---------------------------------------------------------------------------
  protected:

  // define the database name
  //
  String name_d;
  
  // define the container object
  //
  Vector<Machine> database_d;
  
  // declare a static debug level for all class instantiations
  //
  static Integral::DEBUG debug_level_d;
  
  // a static memory manager
  //
  static MemoryManager mgr_d;
  
  //---------------------------------------------------------------------------
  //
  // required public methods
  //
  //---------------------------------------------------------------------------
public:
  
  // method: name
  //
  static const String& name() {
    return CLASS_NAME;
  }
  
  static boolean diagnose(Integral::DEBUG debug_level);
  
  // debug methods
  //
  boolean debug(const unichar* msg) const;

  // method: setDebug
  //
  static boolean setDebug(Integral::DEBUG arg) {
    debug_level_d = arg;
    return true;
  }
  
  // method: destructor
  //
  ~MachineDatabase() {
    clear();  
  }

  // method: default constructor
  //
  MachineDatabase();

  // method: copy constructor
  //
  MachineDatabase(const MachineDatabase& arg) {
    assign(arg);
  }

  // method: assign
  //
  boolean assign(const MachineDatabase& arg);
  
  // method: sofSize
  //
  long sofSize() const {
    return (name_d.sofSize() + database_d.sofSize());
  }

  // method: read
  //
  boolean read(Sof& sof, long tag) {
    return read(sof, tag, name());
  }

  // other read methods
  //
  boolean read(Sof& sof, long tag, const String& name);
  boolean readData(Sof& sof, const String& pname = DEF_PARAM,
		   long size = SofParser::FULL_OBJECT, boolean param = true,
		   boolean nested = false);
  
  // method: write
  //
  boolean write(Sof& sof, long tag) const {
    return write(sof, tag, name());
  }

  // other write methods
  //
  boolean write(Sof& sof, long tag, const String& name) const;
  boolean writeData(Sof& sof, const String& pname =  DEF_PARAM) const;
  
  // method: eq
  //
  boolean eq(const MachineDatabase& arg) const;

  // method: new
  //
  static void* operator new(size_t arg) {
    return mgr_d.get();
  }

  // method: new[]
  //
  static void* operator new[](size_t arg) {
    return mgr_d.getBlock(arg);
  }

  // method: delete
  //
  static void operator delete(void* arg) {
    mgr_d.release(arg);
  }

  // method: delete[]
  //
  static void operator delete[](void* arg) {
    mgr_d.releaseBlock(arg);
  }

  // method: setGrowSize
  //
  static boolean setGrowSize(long arg) {
    return mgr_d.setGrow(arg);
  }

  // method: clear
  //
  boolean clear(Integral::CMODE cmode = Integral::DEF_CMODE);
  
  //---------------------------------------------------------------------------
  //
  // class-specific public methods
  //
  //---------------------------------------------------------------------------

  // method: isEmpty
  //
  boolean isEmpty() {
    return ((long)database_d.length() == 0);
  }
  
  // method: getDataBaseName
  //
  String& getDataBaseName() {
    return name_d;
  }

  // method: setDataBaseName
  //
  boolean setDataBaseName(String& arg) {
    return name_d.assign(arg);
  }  

  // method: getDataBase
  //
  Vector<Machine>& getDataBase() {
    return database_d;
  }

  // method: setDataBase
  //
  boolean setDataBase(Vector<Machine>& arg) {
    return database_d.assign(arg);
  }

  // method: get
  //
  boolean get(String& node, Machine& machine) {
    for (long i=0; i < database_d.length(); i++) {
      if (database_d(i).getNodeName().eq(node)) {
	machine.assign(database_d(i));
	return true;
      }
    }
    return false;
  }
  
  //---------------------------------------------------------------------------
  //
  // private methods
  //
  //---------------------------------------------------------------------------
  private:

};

//end of include file
//
#endif