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author | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2011-02-16 20:17:18 +0000 |
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committer | tpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da> | 2011-02-16 20:17:18 +0000 |
commit | cb7eddb91455a69cf66fcd717e91a51ca5e2cfef (patch) | |
tree | cf5546e4d7c44370fbe9ca2be937bd254f30ebaa /lib/pilotAppInfo.h | |
download | kpilot-cb7eddb91455a69cf66fcd717e91a51ca5e2cfef.tar.gz kpilot-cb7eddb91455a69cf66fcd717e91a51ca5e2cfef.zip |
Moved kpilot from kdepim to applications, as the core Trinity libraries should not contain hardware-dependent software
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kpilot@1221127 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
Diffstat (limited to 'lib/pilotAppInfo.h')
-rw-r--r-- | lib/pilotAppInfo.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/lib/pilotAppInfo.h b/lib/pilotAppInfo.h new file mode 100644 index 0000000..b14cf0a --- /dev/null +++ b/lib/pilotAppInfo.h @@ -0,0 +1,216 @@ +#ifndef _KPILOT_PILOTAPPINFO_H +#define _KPILOT_PILOTAPPINFO_H +/* pilotAppInfo.h KPilot +** +** Copyright (C) 2005-2006 Adriaan de Groot <[email protected]> +** +*/ + +/* +** 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 [email protected] +*/ + +#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 |