src/record.h

   1 ///
   2 /// \file       record.h
   3 ///             Blackberry database record classes.  Help translate data
   4 ///             from data packets to useful structurs, and back.
   5 ///             This header provides the common types and classes
   6 ///             used by the general record parser classes in the
   7 ///             r_*.h files.  Only application-safe API stuff goes in
   8 ///             here.  Internal library types go in record-internal.h
   9 ///
  10
  11 /*
  12     Copyright (C) 2005-2007, Net Direct Inc. (http://www.netdirect.ca/)
  13
  14     This program is free software; you can redistribute it and/or modify
  15     it under the terms of the GNU General Public License as published by
  16     the Free Software Foundation; either version 2 of the License, or
  17     (at your option) any later version.
  18
  19     This program is distributed in the hope that it will be useful,
  20     but WITHOUT ANY WARRANTY; without even the implied warranty of
  21     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  22
  23     See the GNU General Public License in the COPYING file at the
  24     root directory of this project for more details.
  25 */
  26
  27 #ifndef __BARRY_RECORD_H__
  28 #define __BARRY_RECORD_H__
  29
  30 #include <iosfwd>
  31 #include <string>
  32 #include <vector>
  33 #include <map>
  34 #include <stdint.h>
  35
  36 // forward declarations
  37 namespace Barry { class Data; }
  38
  39 namespace Barry {
  40
  41 //
  42 // NOTE:  All classes here must be container-safe!  Perhaps add sorting
  43 //        operators in the future.
  44 //
  45
  46
  47
  48 class CommandTable
  49 {
  50 public:
  51         struct Command
  52         {
  53                 unsigned int Code;
  54                 std::string Name;
  55         };
  56
  57         typedef std::vector<Command> CommandArrayType;
  58
  59         CommandArrayType Commands;
  60
  61 private:
  62         const unsigned char* ParseField(const unsigned char *begin,
  63                 const unsigned char *end);
  64 public:
  65         CommandTable();
  66         ~CommandTable();
  67
  68         void Parse(const Data &data, size_t offset);
  69         void Clear();
  70
  71         // returns 0 if unable to find command name, which is safe, since
  72         // 0 is a special command that shouldn't be in the table anyway
  73         unsigned int GetCommand(const std::string &name) const;
  74
  75         void Dump(std::ostream &os) const;
  76 };
  77
  78 inline std::ostream& operator<< (std::ostream &os, const CommandTable &command) {
  79         command.Dump(os);
  80         return os;
  81 }
  82
  83
  84
  85 class RecordStateTable
  86 {
  87 public:
  88         struct State
  89         {
  90                 unsigned int Index;
  91                 uint32_t RecordId;
  92                 bool Dirty;
  93                 unsigned int RecType;
  94                 std::string Unknown2;
  95         };
  96
  97         typedef unsigned int IndexType;
  98         typedef std::map<IndexType, State> StateMapType;
  99
 100         StateMapType StateMap;
 101
 102 private:
 103         mutable IndexType m_LastNewRecordId;
 104
 105 private:
 106         const unsigned char* ParseField(const unsigned char *begin,
 107                 const unsigned char *end);
 108
 109 public:
 110         RecordStateTable();
 111         ~RecordStateTable();
 112
 113         void Parse(const Data &data);
 114         void Clear();
 115
 116         bool GetIndex(uint32_t RecordId, IndexType *pFoundIndex = 0) const;
 117         uint32_t MakeNewRecordId() const;
 118
 119         void Dump(std::ostream &os) const;
 120 };
 121
 122 inline std::ostream& operator<< (std::ostream &os, const RecordStateTable &rst) {
 123         rst.Dump(os);
 124         return os;
 125 }
 126
 127
 128
 129 class DatabaseDatabase
 130 {
 131 public:
 132         struct Database
 133         {
 134                 unsigned int Number;
 135                 unsigned int RecordCount;
 136                 std::string Name;
 137         };
 138
 139         typedef std::vector<Database> DatabaseArrayType;
 140
 141         DatabaseArrayType Databases;
 142
 143 private:
 144         template <class RecordType, class FieldType>
 145         void ParseRec(const RecordType &rec, const unsigned char *end);
 146
 147         template <class FieldType>
 148         const unsigned char* ParseField(const unsigned char *begin,
 149                 const unsigned char *end);
 150
 151 public:
 152         DatabaseDatabase();
 153         ~DatabaseDatabase();
 154
 155         void Parse(const Data &data);
 156         void Clear();
 157
 158         // returns true on success, and fills target
 159         bool GetDBNumber(const std::string &name, unsigned int &number) const;
 160         bool GetDBName(unsigned int number, std::string &name) const;
 161
 162         void Dump(std::ostream &os) const;
 163 };
 164
 165 inline std::ostream& operator<<(std::ostream &os, const DatabaseDatabase &dbdb) {
 166         dbdb.Dump(os);
 167         return os;
 168 }
 169
 170 struct UnknownField
 171 {
 172         uint8_t type;
 173         std::string data;
 174 };
 175 std::ostream& operator<< (std::ostream &os, const std::vector<UnknownField> &unknowns);
 176
 177 struct Address
 178 {
 179         std::string Name;
 180         std::string Email;
 181
 182         void clear()
 183         {
 184                 Name.clear();
 185                 Email.clear();
 186         }
 187 };
 188
 189 /// \addtogroup RecordParserClasses
 190 ///             Parser and data storage classes.  These classes take a
 191 ///             Database Database record and convert them into C++ objects.
 192 ///             Each of these classes are safe to be used in standard
 193 ///             containers, and are meant to be used in conjunction with the
 194 ///             RecordParser<> template when calling Controller::LoadDatabase().
 195 /// @{
 196 /// @}
 197
 198 } // namespace Barry
 199
 200 // Include all parser classes, to make it easy for the application to use.
 201 #include "r_calendar.h"
 202 #include "r_contact.h"
 203 #include "r_memo.h"
 204 #include "r_message.h"
 205 #include "r_servicebook.h"
 206 #include "r_task.h"
 207 #include "r_pin_message.h"
 208 #include "r_saved_message.h"
 209
 210 #endif
 211