Source: utils.h

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    /*****
     *
     * TOra - An Oracle Toolkit for DBA's and developers
     * Copyright (C) 2003-2005 Quest Software, Inc
     * Portions Copyright (C) 2005 Other Contributors
     *
     * This program is free software; you can redistribute it and/or
     * modify it under the terms of the GNU General Public License
     * as published by the Free Software Foundation;  only version 2 of
     * the License is valid for this program.
     *
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU General Public License for more details.
     *
     * You should have received a copy of the GNU General Public License
     * along with this program; if not, write to the Free Software
     * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
     *
     *      As a special exception, you have permission to link this program
     *      with the Oracle Client libraries and distribute executables, as long
     *      as you follow the requirements of the GNU GPL in regard to all of the
     *      software in the executable aside from Oracle client libraries.
     *
     *      Specifically you are not permitted to link this program with the
     *      Qt/UNIX, Qt/Windows or Qt Non Commercial products of TrollTech.
     *      And you are not permitted to distribute binaries compiled against
     *      these libraries without written consent from Quest Software, Inc.
     *      Observe that this does not disallow linking to the Qt Free Edition.
     *
     *      You may link this product with any GPL'd Qt library such as Qt/Free
     *
     * All trademarks belong to their respective owners.
     *
     *****/

    #ifndef UTILS_H
    #define UTILS_H

    #include
    #include

    #include
    #include

    #ifdef TO_KDE
    #include
    #if KDE_VERSION < 220
    #define TOPrinter QPrinter
    #else
    #define TOPrinter KPrinter
    #define TO_HAS_KPRINT
    #endif
    #define TOFileDialog KFileDialog
    #else
    #define TOPrinter QPrinter
    #define TOFileDialog QFileDialog
    #endif
    #define TOMessageBox QMessageBox
    #define TODock QWidget

    #if 0
    /**
     * The class to use for a printer object.
     */
    class TOPrinter : public QPrinter {

    };
    /**
     * The class to use for a dock widget.
     */
    class TODock : public QWidget {

    };
    /**
     * The class to use for a file dialog.
     */
    class TOFileDialog : public QFileDialog {

    };
    /**
     * The class to use for a messagebox.
     */
    class TOMessageBox : public QMessageBox {

    };
    #endif

    class QComboBox;
    class QListView;
    class QListViewItem;
    class QToolBar;
    class QWidget;
    class toConnection;
    class toMain;
    class toQValue;
    class toTimer;
    class toToolWidget;

    /** Display a message in the statusbar of the main window.
     * @param str Message to display
     * @param save If true don't remove the message after a specified interval.
     * @param log Log message. Will never log saved messages.
     */
    void toStatusMessage(const QString &str,bool save=false,bool log=true);
    /** Get an address to a SQL statement in the SGA. The address has the form
     * 'address:hash_value' which are resolved from the v$sqltext_with_newlines
     * view in Oracle.
     * @param conn Connection to get address from
     * @param sql Statement to get address for.
     * @return String with address in.
     * @exception QString if address not found.
     */
    QString toSQLToAddress(toConnection &conn,const QString &sql);
    /** Get the full SQL of an address (See @ref toSQLToAddress) from the
     * SGA.
     * @param conn Connection to get address from
     * @param sql Address of SQL.
     * @return String with SQL of statement.
     * @exception QString if address not found.
     */
    QString toSQLString(toConnection &conn,const QString &address);
    /** Make a column name more readable.
     * @param col Name of column name, will be modified.
     */
    void toReadableColumn(QString &col);
    /** Get the current database time in the current sessions dateformat.
     * @param conn Connection to get address from.
     * @return String with the current date and time.
     */
    QString toNow(toConnection &conn);
    /** Set the current session type (Style)
     * @param str Session to set, can be any of Motif, Motif Plus, SGI, CDE, Windows and Platinum
     * @exception QString if style not available.
     */
    void toSetSessionType(const QString &str);
    /** Get current session type (Style)
     * @return A string describing the current style.
     * @see toSetSessionType
     */
    QString toGetSessionType(void);
    /** Get the available styles.
     */
    QStringList toGetSessionTypes(void);
    /** Create or fill a combobox with refresh intervals.
     * @param parent Parent of created combobox.
     * @param name Name of created combobox.
     * @param def Default value of the combobox.
     * @param item Combo box to fill. If not specified a new combobox is created.
     */
    QComboBox *toRefreshCreate(QWidget *parent,const char *name=NULL,const QString &def=QString::null,
    			   QComboBox *item=NULL);
    /** Set a timer with the value from a refresh combobox (See @ref toRefreshCreate).
     * @param timer Timer to set timeout in.
     * @param str String from currentText of combobox. If empty, set to default.
     */
    void toRefreshParse(toTimer *timer,const QString &str=QString::null);
    /** Get information about wether this TOra has plugin support or not.
     * @return True if plugin support is enabled.
     */
    bool toMonolithic(void);
    /** Make a deep copy of a string. Usefull when sharing copying strings between threads.
     * @param str String to copy
     * @return Copied string.
     */
    QString toDeepCopy(const QString &str);
    /** Allocate a toolbar. This is needed since Qt and KDE use different toolbars.
     * @param parent Parent of toolbar.
     * @param name Name of toolbar.
     * @return A newly created toolbar.
     */
    QToolBar *toAllocBar(QWidget *parent,const QString &name);
    /** Allocate a new docked window. This is needed since Qt and KDE docks windows differently
     * (Qt 2.x doesn't even have support for docked windows). Observe that you must attach a
     * dock using @ref toAttachDock after allocating it.
     * @param name Name of window.
     * @param db Database name or empty if N/A.
     * @param icon Icon of new dock.
     * @return A newly allocated fock.
     */
    TODock *toAllocDock(const QString &name,
    		    const QString &db,
    		    const QPixmap &icon);
    /** Attach a dock to a specified position.
     * @param dock Dock to attach
     * @param container Whatever container is supposed to be in the dock window.
     * @param place Where to place the dock.
     */
    void toAttachDock(TODock *dock,QWidget *container,QMainWindow::ToolBarDock place);
    /** Decode a size string this basically converts "KB" to 1024, "MB" to 1024KB and
     * everything else to 1.
     * @return Multiplier specified by string.
     */
    int toSizeDecode(const QString &str);
    /**
     * Check that a key sequence is valid and return same sequence
     */
    QKeySequence toKeySequence(const QString &keysequence);
    /**
     * Check if a key sequence and a key event represent the same key and return if that is the case.
     * Only support single key keysequences.
     * @param event Key event.
     * @param key Key sequence.
     */
    bool toCheckKeyEvent(QKeyEvent *event,const QKeySequence &key);

    /** Shift the first value out of a list.
     * @param lst List to shift value from (Also modified).
     * @return The first value in the list.
     */
    template  T toShift(std::list &lst)
    {
      if (lst.begin()==lst.end()) {
        T ret;
        return ret;
      }
      T ret=(*lst.begin());
      lst.erase(lst.begin());
      return ret;
    }

    /** Push an object to the beginning of a list.
     * @param lst List to push value in from of.
     * @param str Object to push.
     */
    template  void toUnShift(std::list &lst,const T &str)
    {
      lst.insert(lst.begin(),str);
    }

    /** Pop the last value out of a list.
     * @param lst List to pop value from (Also modified).
     * @return The value in the list of objects.
     */
    template  T toPop(std::list &lst)
    {
      if (lst.begin()==lst.end()) {
        T ret;
        return ret;
      }
      T ret=(*lst.rbegin());
      lst.pop_back();
      return ret;
    }

    /** Push an object to the end of a list.
     * @param lst List to push value in from of.
     * @param str Object to push.
     */
    template  void toPush(std::list &lst,const T &str)
    {
      lst.push_back(str);
    }

    /** Convert a string representation to a font structure.
     * @param str String representing the font.
     * @return Font structure represented by the string.
     * @see toFontToString
     */
    QFont toStringToFont(const QString &str);
    /** Convert a font to a string representation.
     * @param fnt Font to convert.
     * @return String representation of font.
     */
    QString toFontToString(const QFont &fnt);
    /** Get the path to the help directory.
     * @return Path to the help directory.
     */
    QString toHelpPath(void);
    /** Read file from filename.
     * @param filename Filename to read file from.
     * @return Contents of file.
     * @exception QString describing I/O problem.
     */
    QCString toReadFile(const QString &filename);
    /** Write file to filename.
     * @param filename Filename to write file to.
     * @param data Data to write to file.
     */
    bool toWriteFile(const QString &filename,const QCString &data);
    /** Write file to filename.
     * @param filename Filename to write file to.
     * @param data Data to write to file.
     */
    bool toWriteFile(const QString &filename,const QString &data);
    /** Compare two string lists.
     * @param l1 First list to compare.
     * @param l2 Second list to compare.
     * @param len Length of lists to compare.
     * @return True if all first len elements match.
     */
    bool toCompareLists(QStringList &l1,QStringList &l2,unsigned int len);
    /** Set environment variable.
     * @param var Variable name to set.
     * @param val Value to set variable to.
     */
    void toSetEnv(const QCString &var,const QCString &val);
    /** Delete an environment variable.
     * @param var Environment variable to delete.
     */
    void toUnSetEnv(const QCString &var);
    /** Pop up a dialog and choose a file to open.
     * @param filename Default filename to open.
     * @param filter Filter of filenames (See @ref QFileDialog)
     * @param parent Parent of dialog.
     * @return Selected filename.
     */
    QString toOpenFilename(const QString &filename,const QString &filter,QWidget *parent);
    /** Pop up a dialog and choose a file to save to.
     * @param filename Default filename to open.
     * @param filter Filter of filenames (See @ref QFileDialog)
     * @param parent Parent of dialog.
     * @return Selected filename.
     */
    QString toSaveFilename(const QString &filename,const QString &filter,QWidget *parent);

    /** Get index of menu to insert tool specific menu at.
     * @return Index of the tool menu entry.
     */
    int toToolMenuIndex(void);
    /** Check if a character is valid for an identifier in Oracle.
     * @param c Character to check
     * @return True if it is a valid Oracle identifier.
     */
    inline bool toIsIdent(QChar c)
    {
      return c.isLetterOrNumber()||c=='_'||c=='%'||c=='$'||c=='#';
    }
    /** Get installation directory of application (Plugin directory on unix, installation
     * target on windows).
     * @return String containing directory
     */
    QString toPluginPath(void);
    /** Get a list of the latest status messages that have been shown.
     */
    std::list toStatusMessages(void);
    /** Get a brush for a chart item.
     * @param index Indicating which chart item to get color for.
     */
    QBrush toChartBrush(int index);
    /** Return the connection most closely associated with a widget. Currently connections are
     * only stored in toToolWidgets.
     * @return Reference toConnection object closest to the current.
     */
    toConnection &toCurrentConnection(QObject *widget);
    /** Return the tool widget most closely associated with a widget.
     * @return Pointer to tool widget.
     */
    toToolWidget *toCurrentTool(QObject *widget);
    /** Check if this connection is an oracle connection.
     */
    bool toIsOracle(const toConnection &);
    /** Check if this connection is an sapdb connection.
     */
    bool toIsSapDB(const toConnection &);
    /** Check if this connection is an MySQL connection.
     */
    bool toIsMySQL(const toConnection &);
    /** Check if this connection is an PostgreSQL connection.
     */
    bool toIsPostgreSQL(const toConnection &);
    /** Strip extra bind specifier from an SQL statement. (That means the extra <***> part after
     * the bind variable.
     * @param sql The sql to strip.
     * @return Return a string containing the same statement without qualifiers, which means the
     *         sql sent to Oracle and available in the SGA.
     */
    QString toSQLStripSpecifier(const QString &sql);
    /** Strip extra binds and replace with empty strings.
     * @param sql The sql to strip.
     * @return Return a string containing the same statement without binds.
     */
    QString toSQLStripBind(const QString &sql);
    /** Expand filename with $HOME to be replaced with home directory or my documents.
     */
    QString toExpandFile(const QString &file);
    /** Convert string read by readValue to value read by readValueNull
     */
    toQValue toUnnull(const toQValue &str);
    /** Convert string read by readValueNull to value to be read by readValue.
     */
    toQValue toNull(const toQValue &str);

    /** Take a string and make it illegible. Some security through obscurity here so you will
     * need to check the source to see what is actually done.
     * @param str String to be made unreadable.
     * @return Obfuscated string.
     */
    QString toObfuscate(const QString &str);
    /** Unmake the actions of @ref toObfuscate.
     * @param Obfuscated string.
     * @return Original string.
     */
    QString toUnobfuscate(const QString &str);
    /** Check if the current widget is within the active modal widget (Or no modal widget exists)
     */
    bool toCheckModal(QWidget *widget);

    /** Export the contents of a map into another map.
     * @param data The destination map.
     * @param prefix Prefix to save map using.
     * @param src The map to save.
     */
    void toMapExport(std::map &data,const QCString &prefix,
    		 std::map &src);
    /** Import the contents of a map from another map.
     * @param data The source map.
     * @param prefix Prefix to use for restoring from map.
     * @param dst The map to save into.
     */
    void toMapImport(std::map &data,const QCString &prefix,
    		 std::map &dst);

    /** Find an item in a listview.
     * @param list The list to search for the item.
     * @param str The string to search for. You can specify parent/child with : in the string.
     */
    QListViewItem *toFindItem(QListView *list,const QString &str);
    /** Whenever this class is instantiated the window will display a busy cursor. You
     * can instantiate this function as many time as you want, only when all of them are
     * destructed the curser will revert back to normal.
     */
    class toBusy {
      static unsigned int Count;
    public:
      static void clear(void);
      toBusy();
      ~toBusy();
    };
    /**
     * Set or change title of a tool window.
     * @param tool Widget of tool.
     * @param caption Caption to set to the tool.
     */
    void toToolCaption(toToolWidget *tool,const QString &caption);
    /**
     * Translate string if the context and text is strictly ASCII7 and the context doesn't
     * contain any spaces. Otherwise just return the text.
     * @param context The context of the text.
     * @param text The text to translate.
     * @return Translated text if appropriate, or original text otherwise.
     */
    QString toTranslateMayby(const QString &context,const QString &text);

    /**
     * Get maximum number of a and b.
     */
    template
    T max(T a, T b)
    {
        return a > b ? a : b ;
    }

    /**
     * Get minimum number of a and b.
     */
    template
    T min(T a, T b)
    {
        return a < b ? a : b ;
    }

    /** Popup toolbutton that works like I think they should under Qt 3.0 as well.
     * this means they will pop up a tool menu when you click on the button as well.
     */
    class toPopupButton : public QToolButton {
      Q_OBJECT
    public:
      /** Create button, same constructor as toolbutton except no slots
       */
      toPopupButton(const QIconSet &iconSet,const QString &textLabel,
                    const QString &grouptext,QToolBar *parent,const char *name=0);
      /** Create button somewhere else than in a toolbar.
       */
      toPopupButton(QWidget *parent,const char *name=0);
    private slots:
      void click(void);
    };

    /* This can't be documented in KDoc, anyway it is an easy way to catch any exception that
     * might be sent by TOra or OTL and display the message in the statusbar of the main window.
     */
    #define TOCATCH \
        catch (const QString &str) {\
          toStatusMessage(str);\
        }
    /* This can't be documented in KDoc, anyway it is an easy way to catch any exception that
     * might be sent by TOra or OTL and display the message in the statusbar of the main window.
     */
    #define TOROLLBACK(x) \
        catch (const QString &str) { \
          toStatusMessage(str); \
          try { \
            x.rollback(); \
          } catch(...) { } \
        }

    #define QTRANS(x,y) (qApp?qApp->translate(x,y):QString::fromLatin1(y))

    #endif

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