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#ifndef _UMLCOM_H
#define _UMLCOM_H
#include <qsocketdevice.h>
#include "CmdFamily.h"
#include "OnInstanceCmd.h"
#include "anItemKind.h"
#include "aRelationKind.h"
#include <qcstring.h>
#include <qvector.h>
#include <qstring.h>
class UmlItem;
class UmlTypeSpec;
class UmlClass;
class QSocketDevice;
class UmlItem;
class UmlTypeSpec;
class UmlClass;
// This class manages the communications
//
// This class may be defined as a 'singleton', but I prefer to use static
// members allowing to just write 'UmlCom::member' rather than
// 'UmlCom::instance()->member' or other long sentence like this.
//
// The operation you can use yourself are :
//
// - connect()
//
// - targetItem()
//
// - trace()
//
// - message()
//
// - bye()
//
// - close()
//
// you must NOT call the others
class UmlCom {
public:
// does the connexion
//
// On error return FALSE in C++, produce a RuntimeException in Java
static bool connect(unsigned int port);
// returns the item on which the tool is applied
static UmlItem * targetItem();
// to write messages in the tool window,
// use Qt rich text : allows HTML like formatting
static void trace(const char * s);
// to write a message in the status bar line
// does not use Qt rich text
static void message(const char * s);
// must be called just before the disconnexion
static void bye();
// disconnexion
static void close();
private:
static QSocketDevice * sock;
static char * buffer_in;
static unsigned int buffer_in_size;
static char * p_buffer_in;
static char * buffer_in_end;
static char * buffer_out;
static char * p_buffer_out;
static unsigned int buffer_out_size;
protected:
static void check_size_out(unsigned int len);
static void read_if_needed();
static void read_buffer(unsigned int len);
static void write_bool(bool b);
static void write_char(char c);
static void write_unsigned(unsigned int u);
static void write_id(const void * id);
static void write_string(const char * p);
public:
// do NOT call the followings yourself !!!!
static void send_cmd(CmdFamily f, unsigned int cmd);
static void send_cmd(CmdFamily f, unsigned int cmd, char arg);
static void send_cmd(CmdFamily f, unsigned int cmd, void * id);
static void send_cmd(CmdFamily f, unsigned int cmd, const char * s);
static void send_cmd(CmdFamily f, unsigned int cmd, void * id, const char * n);
static void send_cmd(CmdFamily f, unsigned int cmd, const char * s, const char * v);
static void send_cmd(CmdFamily f, unsigned int cmd, bool b, const char * s, const char * v);
static void send_cmd(const void * id, OnInstanceCmd cmd);
static void send_cmd(const void * id, OnInstanceCmd cmd, const char * arg);
static void send_cmd(const void * id, OnInstanceCmd cmd, char arg);
static void send_cmd(const void * id, OnInstanceCmd cmd, unsigned int arg);
static void send_cmd(const void * id, OnInstanceCmd cmd, const UmlTypeSpec & arg);
static void send_cmd(const void * id, OnInstanceCmd cmd, const char * arg1, const char * arg2);
static void send_cmd(const void * id, OnInstanceCmd cmd, anItemKind arg1, const char * arg2);
static void send_cmd(const void * id, OnInstanceCmd cmd, anItemKind arg1, aRelationKind arg2, const void * id2);
static void send_cmd(const void * id, OnInstanceCmd cmd, const void * id1);
static void send_cmd(const void * id, OnInstanceCmd cmd, const void * id1, const char * arg2);
static void send_cmd(const void * id, OnInstanceCmd cmd, unsigned int arg1, const UmlTypeSpec & arg2);
static void send_cmd(const void * id, OnInstanceCmd cmd, unsigned int arg1, const char * arg2, const char * arg3, const UmlTypeSpec & arg4);
static void send_cmd(const void * id, OnInstanceCmd cmd, unsigned int arg1, char arg2, const char * arg3, const char * arg4, const UmlTypeSpec & arg5);
static void send_cmd(const void * id, OnInstanceCmd cmd, const QVector<UmlClass> & l);
static void * read_id();
static const char * read_string();
static bool read_bool();
static char read_char();
static unsigned int read_unsigned();
// reads the selected items when the tool is called
// you MUST call it only one time after the connexion
static void read_item_list(QVector<UmlItem> & v);
static void fatal_error(const QCString & msg);
static void flush();
};
#endif
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