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-rw-r--r--kpilot/lib/pilotAppInfo.h216
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diff --git a/kpilot/lib/pilotAppInfo.h b/kpilot/lib/pilotAppInfo.h
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-#ifndef _KPILOT_PILOTAPPINFO_H
-#define _KPILOT_PILOTAPPINFO_H
-/* pilotAppInfo.h KPilot
-**
-** Copyright (C) 2005-2006 Adriaan de Groot <groot@kde.org>
-**
-*/
-
-/*
-** This program is free software; you can redistribute it and/or modify
-** it under the terms of the GNU Lesser General Public License as published by
-** the Free Software Foundation; either version 2.1 of the License, or
-** (at your option) any later version.
-**
-** 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 Lesser General Public License for more details.
-**
-** You should have received a copy of the GNU Lesser General Public License
-** along with this program in a file called COPYING; if not, write to
-** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
-** MA 02110-1301, USA.
-*/
-
-/*
-** Bug reports and questions can be sent to kde-pim@kde.org
-*/
-
-#include "pilotLinkVersion.h"
-
-#include "pilot.h"
-#include "pilotDatabase.h"
-
-/**
-* A database on the handheld has an "AppInfo" block at the beginning
-* with some database-specific information and a common part.
-* This base class deals with the common part, the categories.
-*
-* Most data in the handheld is stored in @em categories ; every
-* record in every database, for instance, has a category assigned
-* to it (perhaps "Unfiled", but that's just another category).
-*
-* Every database has a category table assigning labels to the
-* categories that exist. There are CATEGORY_COUNT (16) categories
-* available for each database; labels may vary per database.
-*
-* This class encapsulates the basic category table manipulations.
-*/
-class KDE_EXPORT PilotAppInfoBase
-{
-protected:
- /** Initialize class members after reading header, to alias data elsewhere.
- * Only for use by the (derived) template classes below.
- */
- void init(struct CategoryAppInfo *c, int len)
- {
- fC = c;
- fLen = len ;
- } ;
-
-public:
- /** Constructor. This is for use by derived classes (using the template below
- * only, and says that the category info in the base class aliases data in
- * the derived class. Remember to call init()!
- */
- PilotAppInfoBase() : fC(0L), fLen(0), fOwn(false) { } ;
-
- /** Constructor, intended for untyped access to the AppInfo only. This throws
- * away everything but the category information. In this variety, the
- * CategoryAppInfo structure is owned by the PilotAppInfoBase object.
- */
- PilotAppInfoBase(PilotDatabase *d);
-
- /** Destructor. */
- virtual ~PilotAppInfoBase();
-
- /** Retrieve the most basic part of the AppInfo block -- the category
- * information which is guaranteed to be the first 240-odd bytes of
- * a database.
- */
- struct CategoryAppInfo *categoryInfo()
- {
- return fC;
- } ;
-
- /** Const version of the above function. */
- inline const struct CategoryAppInfo *categoryInfo() const
- {
- return fC;
- } ;
-
- /** Returns the length of the (whole) AppInfo block. */
- inline PI_SIZE_T length() const
- {
- return fLen;
- } ;
-
- /** @see findCategory(const TQString &name, bool unknownIsUnfiled, struct CategoryAppInfo *info). */
- inline int findCategory(const TQString &name, bool unknownIsUnfiled = false) const
- {
- return Pilot::findCategory(fC,name,unknownIsUnfiled);
- } ;
-
- /** Gets a single category name. Returns TQString::null if there is no
- * such category number @p i . */
- inline TQString categoryName(unsigned int i) const
- {
- return Pilot::categoryName(fC,i);
- }
-
- /** Sets a category name. @return true if this succeeded. @return false
- * on failure, e.g. the index @p i was out of range or the category name
- * was invalid. Category names that are too long are truncated to 15 characters.
- */
- bool setCategoryName(unsigned int i, const TQString &s);
-
- /** For debugging, display all the category names */
- inline void dump() const
- {
- Pilot::dumpCategories(fC);
- };
-
-protected:
- struct CategoryAppInfo *fC;
- PI_SIZE_T fLen;
-
- bool fOwn;
-} ;
-
-/** A template class for reading and interpreting AppInfo blocks;
-* the idea is that it handles all the boilerplate code for reading
-* the app block, converting it to the right kind, and then unpacking
-* it. Template parameters are the type (struct, from pilot-link probably)
-* of the interpreted appinfo, and the pack and unpack functions for it
-* (again, from pilot-link).
-*/
-template <typename appinfo,
-#if PILOT_LINK_IS(0,12,2)
- /* There are additional consts introduced in 0.12.2 */
- int(*unpack)(appinfo *, const unsigned char *, PI_SIZE_T),
- int(*pack)(const appinfo *, unsigned char *, PI_SIZE_T)
-#else
- int(*unpack)(appinfo *, unsigned char *, PI_SIZE_T),
- int(*pack)(appinfo *, unsigned char *, PI_SIZE_T)
-#endif
- >
-class PilotAppInfo : public PilotAppInfoBase
-{
-public:
- /** Constructor. Read the appinfo from database @p d and
- * interpret it.
- */
- PilotAppInfo(PilotDatabase *d) : PilotAppInfoBase()
- {
- int appLen = Pilot::MAX_APPINFO_SIZE;
- unsigned char buffer[Pilot::MAX_APPINFO_SIZE];
-
- memset(&fInfo,0,sizeof(fInfo));
- if (d && d->isOpen())
- {
- appLen = d->readAppBlock(buffer,appLen);
- (*unpack)(&fInfo, buffer, appLen);
- // fInfo is just a struct, so we can point to it anyway.
- init(&fInfo.category,appLen);
- }
- else
- {
- delete fC;
- fC = 0L;
- fLen = 0;
- init(&fInfo.category,sizeof(fInfo));
- }
- } ;
-
- PilotAppInfo()
- {
- memset(&fInfo,0,sizeof(fInfo));
- init(&fInfo.category,sizeof(fInfo));
- }
-
-
- /** Write this appinfo block to the database @p d; returns
- * the number of bytes written or -1 on failure. This
- * function is robust when called with a NULL database @p d.
- */
- int writeTo(PilotDatabase *d)
- {
- unsigned char buffer[Pilot::MAX_APPINFO_SIZE];
- if (!d || !d->isOpen())
- {
- return -1;
- }
- int appLen = (*pack)(&fInfo, buffer, length());
- if (appLen > 0)
- {
- d->writeAppBlock(buffer,appLen);
- }
- return appLen;
- } ;
-
- /** Returns a (correctly typed) pointer to the interpreted
- * appinfo block.
- */
- appinfo *info() { return &fInfo; } ;
- /** Returns a const (correctly typed) pointer to the interpreted
- * appinfo block.
- */
- const appinfo *info() const { return &fInfo; } ;
-
-protected:
- appinfo fInfo;
-} ;
-
-
-#endif