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tellico/src/fetch/z3950connection.h

127 lines
3.5 KiB

/***************************************************************************
copyright : (C) 2005-2006 by Robby Stephenson
email : robby@periapsis.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of version 2 of the GNU General Public License as *
* published by the Free Software Foundation; *
* *
***************************************************************************/
#ifndef TELLICO_FETCH_Z3950CONNECTION_H
#define TELLICO_FETCH_Z3950CONNECTION_H
#include <tqthread.h>
#include <tqevent.h>
#include <tqdeepcopy.h>
#include <ksharedptr.h>
namespace Tellico {
namespace Fetch {
class Z3950Fetcher;
class Z3950ResultFound : public TQCustomEvent {
public:
Z3950ResultFound(const TQString& s);
~Z3950ResultFound();
const TQString& result() const { return m_result; }
static int uid() { return User + 11111; }
private:
TQString m_result;
};
class Z3950ConnectionDone : public TQCustomEvent {
public:
Z3950ConnectionDone(bool more) : TQCustomEvent(uid()), m_type(-1), m_hasMore(more) {}
Z3950ConnectionDone(bool more, const TQString& s, int t) : TQCustomEvent(uid()), m_msg(TQDeepCopy<TQString>(s)), m_type(t), m_hasMore(more) {}
const TQString& message() const { return m_msg; }
int messageType() const { return m_type; }
bool hasMoreResults() const { return m_hasMore; }
static int uid() { return User + 22222; }
private:
TQString m_msg;
int m_type;
bool m_hasMore;
};
class Z3950SyntaxChange : public TQCustomEvent {
public:
Z3950SyntaxChange(const TQString& s) : TQCustomEvent(uid()), m_syntax(TQDeepCopy<TQString>(s)) {}
const TQString& syntax() const { return m_syntax; }
static int uid() { return User + 33333; }
private:
TQString m_syntax;
};
/**
* @author Robby Stephenson
*/
class Z3950Connection : public TQThread {
public:
Z3950Connection(Z3950Fetcher* fetcher,
const TQString& host,
uint port,
const TQString& dbname,
const TQString& sourceCharSet,
const TQString& syntax,
const TQString& esn);
~Z3950Connection();
void reset();
void setQuery(const TQString& query);
void setUserPassword(const TQString& user, const TQString& pword);
void run();
void abort() { m_aborted = true; }
private:
static TQCString iconvRun(const TQCString& text, const TQString& fromCharSet, const TQString& toCharSet);
static TQString toXML(const TQCString& marc, const TQString& fromCharSet);
bool makeConnection();
void done();
void done(const TQString& message, int type);
TQCString toCString(const TQString& text);
TQString toString(const TQCString& text);
void checkPendingEvents();
class Private;
Private* d;
bool m_connected;
bool m_aborted;
KSharedPtr<Z3950Fetcher> m_fetcher;
TQString m_host;
uint m_port;
TQString m_dbname;
TQString m_user;
TQString m_password;
TQString m_sourceCharSet;
TQString m_syntax;
TQString m_pqn;
TQString m_esn;
size_t m_start;
size_t m_limit;
bool m_hasMore;
friend class Z3950ResultFound;
static int resultsLeft;
};
} // end namespace
} // end namespace
#endif