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Diffstat (limited to 'lib/pilotRecord.h')
| -rw-r--r-- | lib/pilotRecord.h | 355 |
1 files changed, 355 insertions, 0 deletions
diff --git a/lib/pilotRecord.h b/lib/pilotRecord.h new file mode 100644 index 0000000..fdf8a33 --- /dev/null +++ b/lib/pilotRecord.h @@ -0,0 +1,355 @@ +#ifndef _KPILOT_PILOTRECORD_H +#define _KPILOT_PILOTRECORD_H +/* KPilot +** +** Copyright (C) 1998-2001 by Dan Pilone +** Copyright (C) 2003-2004 Reinhold Kainhofer <[email protected]> +** Copyright (C) 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 "pilot.h" + +/** +* @file This file defines the lowest- denominator representation(s) +*of the bits used in a Pilot-based database record. +*/ + + +/** +* All entries in the Handheld -- whether interpreted or binary blobs -- +* have some common characteristics, viz. an ID number, a category, +* and some attributes defined by the handheld. PilotRecordBase is +* a common base class collecting methods to manipulate those +* common characteristics. +*/ +class KDE_EXPORT PilotRecordBase +{ +public: + /** Constructor. Initialize the characteristics to the + * given values. + * + * @param attrib Attributes (bitfield) for this entry. + * @param cat Category for this entry. Should be in the + * range 0 <= cat < Pilot::CATEGORY_COUNT . Using an + * invalid category means 0 (unfiled) is used. + * @param id Unique ID for this entry. May be 0 (non-unique) as well. + */ + PilotRecordBase(int attrib=0, int cat=0, recordid_t id=0) : + fAttrib(attrib),fCat(0),fID(id) + { + setCategory(cat); + } + + /** Constructor. Initializes the characteristics from + * the values the given record @p b has. When @p b is + * NULL (which is allowed), everything is assumed zero. + * No ownership is transferred. + * + * @param b Record to take characteristics from. + */ + PilotRecordBase( const PilotRecordBase *b ) : + fAttrib( b ? b->attributes() : 0 ), + fCat( 0 ), + fID( b ? b->id() : 0 ) + { + if (b) + { + setCategory( b->category() ); + } + } + + /** Destructor. Nothing to do for it. */ + virtual ~PilotRecordBase() { } ; + + /** Attributes of this record (deleted, secret, ...); + * it's a bitfield. + */ + inline int attributes() const + { + return fAttrib; + } + + /** Set the attributes of this record. */ + inline void setAttributes(int attrib) + { + fAttrib = attrib; + } + + /** Returns the category number [ 0 .. Pilot::CATEGORY_COUNT-1] + * of this record. + */ + inline int category() const + { + return fCat; + } + + /** Sets the category number [ 0 .. Pilot::CATEGORY_COUNT-1] + * of this record. + * Trying to set an illegal category number files this one under + * "Unfiled" (which is 0). + */ + inline void setCategory(int cat) + { + if ( (cat<0) || (cat>=(int)Pilot::CATEGORY_COUNT)) + { + cat=0; + } + fCat = cat; + } + + /** Sets the category number by looking up the string @p label + * in the category table @p info . Leaves the category unchanged + * if no match is found and returns @c false. + * + * @param info AppInfo structure containing the labels (in handheld + * native encoding). + * @param label The label to look for. + * + * @return @c true on success, @c false on failure + */ + bool setCategory(const struct CategoryAppInfo *info, const TQString &label) + { + if (!info) + { + return false; + } + + int cat = Pilot::findCategory( info, label, false ); + if ( (cat<0) || (cat>=(int)Pilot::CATEGORY_COUNT) ) + { + return false; + } + else + { + setCategory( cat ); + return true; + } + } + + /** Returns the record ID for this record. Record IDs are unique for a given + * handheld and database. + */ + inline recordid_t id() const + { + return fID; + } + + /** Sets the record ID for this record. Use with caution -- you ca confuse + * the handheld by doing weird things here. + */ + void setID(recordid_t id) + { + fID = id; + } + + /** Accessor for one bit of the record's attributes. Is this record marked + * deleted (on the handheld) ? Deleted records are not removed from the + * database until a HotSync is done (which normally calls purge deleted + * or so to really get rid of the records from storage. + */ + inline bool isDeleted() const + { + return fAttrib & dlpRecAttrDeleted; + } + + /** Accessor for one bit of the record's attributes. Is this record secret? + * Secret records are not displayed on the desktop by default. + */ + inline bool isSecret() const + { + return fAttrib & dlpRecAttrSecret; + } + + /** Accessor for one bit of the record's attributes. Is this record a + * to-be-archived record? When a record is deleted, it may be marked + * as "archive on PC" which means the PC should keep a copy. The + * PC data correspondng to an archived-but-deleted record must not + * be deleted. + */ + inline bool isArchived() const + { + return fAttrib & dlpRecAttrArchived; + } + + /** Accessor for one bit of the record's attributes. Is this record modified? + * Modified records are those that have been modified since the last HotSync. + */ + inline bool isModified() const + { + return fAttrib & dlpRecAttrDirty; + } + +#define SETTER(a) {\ + if (d) { fAttrib |= a; } \ + else { fAttrib &= ~a; } } + + /** Mark a record as deleted (or not).*/ + inline void setDeleted(bool d=true) SETTER(dlpRecAttrDeleted) + + /** Mark a record as secret (or not). */ + inline void setSecret(bool d=true) SETTER(dlpRecAttrSecret) + + /** Mark a record as archived (or not). */ + inline void setArchived(bool d=true) SETTER(dlpRecAttrArchived) + + /** Mark a record as modified (or not). */ + inline void setModified(bool d=true) SETTER(dlpRecAttrDirty) + +#undef SETTER + + /** Returns a text representation of this record. */ + virtual TQString textRepresentation() const; + +private: + int fAttrib, fCat; + recordid_t fID; +} ; + +/** An "uninterpreted" representation of the bits comprising a HH record. +* This binary blob only exposes the data via the data() and size() functions, +* and also exposes the common characteristics of all entries. +*/ +class KDE_EXPORT PilotRecord : public PilotRecordBase +{ +public: + /** Constructor. Using the given @p data and @p length, create + * a record. Give it the additional attributes and category numbers; + * the UID is a HH unique ID for identifying records. + * + * This constructor makes a copy of the data buffer (and owns that buffer). + */ + PilotRecord(void* data, int length, int attrib, int cat, recordid_t uid) KDE_DEPRECATED; + + /** Constructor. Using the given buffer @p buf (which carries its + * own data and length), create a record. Otherwise much like the + * above constructor @em except that this record assumes ownership + * of the buffer, and doesn't make an additional copy + * (In practice, this just saves copying around extra buffers). + */ + PilotRecord(pi_buffer_t *buf, int attrib, int cat, recordid_t uid) : + PilotRecordBase(attrib,cat,uid), + fData((char *)buf->data), + fLen(buf->used), + fBuffer(buf) + { + fAllocated++; + } + + /** Constructor. Like the above, only take the attributes, category + * and id from the given @p entry. + */ + PilotRecord( pi_buffer_t *buf, const PilotRecordBase *entry ) : + PilotRecordBase( entry ), + fData((char *)buf->data), + fLen(buf->used), + fBuffer(buf) + { + fAllocated++; + } + + /** Destructor. Dispose of the buffers in the right form. */ + virtual ~PilotRecord() + { + if (fBuffer) + { + pi_buffer_free(fBuffer); + } + else + { + delete [] fData; + } + fDeleted++; + } + + /** Constructor. Copies the data from the @p orig record. */ + PilotRecord(PilotRecord* orig); + + /** Retrieve the data buffer for this record. Note that trying + * to change this data is fraught with peril -- especially trying + * to lengthen it. + * + * @see setData + */ + char *data() const + { + if (fBuffer) + { + return (char *)(fBuffer->data); + } + else + { + return fData; + } + } + + /** Returns the size of the data for this record. */ + int size() const + { + if (fBuffer) return fBuffer->used; else + return fLen; + } + + /** Returns the data buffer associated with this record. */ + const pi_buffer_t *buffer() const { return fBuffer; } + + /** Set the data for this record. Frees old data. Assumes + * ownership of the passed in buffer @p b. + */ + void setData(pi_buffer_t *b) + { + if (fBuffer) { pi_buffer_free(fBuffer); } + else { delete[] fData; } ; + fData = (char *)b->data; + fLen = b->used; + fBuffer = b; + } + + /** Assignment operator. Makes a copy of the @p orig record. */ + PilotRecord& operator=(PilotRecord& orig); + + /** Sets the data for this record. Makes a copy of the data buffer. */ + void setData(const char* data, int len); + + /** Returns a text representation of this record. */ + virtual TQString textRepresentation() const; + +private: + char* fData; + int fLen; + pi_buffer_t *fBuffer; + +public: + /** + * This is an interface for tracking down memory leaks + * in the use of PilotRecords (for those without valgrind). + * Count the number of allocations and deallocations. + */ + static void allocationInfo(); +private: + static int fAllocated,fDeleted; +}; + +#endif |