src/r_memo.cc

   1 ///
   2 /// \file       r_memo.cc
   3 ///             Record parsing class for the memo database.
   4 ///
   5
   6 /*
   7     Copyright (C) 2005-2008, Net Direct Inc. (http://www.netdirect.ca/)
   8     Copyright (C) 2007, Brian Edginton
   9
  10     This program is free software; you can redistribute it and/or modify
  11     it under the terms of the GNU General Public License as published by
  12     the Free Software Foundation; either version 2 of the License, or
  13     (at your option) any later version.
  14
  15     This program is distributed in the hope that it will be useful,
  16     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  18
  19     See the GNU General Public License in the COPYING file at the
  20     root directory of this project for more details.
  21 */
  22
  23 #include "r_memo.h"
  24 #include "record-internal.h"
  25 #include "protostructs.h"
  26 #include "data.h"
  27 #include "time.h"
  28 #include <ostream>
  29 #include <iomanip>
  30
  31 using namespace std;
  32 using namespace Barry::Protocol;
  33
  34 namespace Barry {
  35
  36 ///////////////////////////////////////////////////////////////////////////////
  37 // Memo Class
  38
  39 // Memo Field Codes
  40 #define MEMFC_TITLE             0x01
  41 #define MEMFC_BODY              0x02
  42 #define MEMFC_MEMO_TYPE         0x03
  43 #define MEMFC_CATEGORY          0x04
  44 #define MEMFC_END               0xffff
  45
  46 FieldLink<Memo> MemoFieldLinks[] = {
  47         { MEMFC_TITLE,     "Title",       0, 0, &Memo::Title, 0, 0 },
  48         { MEMFC_BODY,      "Body",        0, 0, &Memo::Body, 0, 0 },
  49         { MEMFC_CATEGORY,  "Category",    0, 0, &Memo::Category, 0, 0 },
  50         { MEMFC_END,       "End of List", 0, 0, 0, 0, 0 }
  51 };
  52
  53 Memo::Memo()
  54 {
  55         Clear();
  56 }
  57
  58 Memo::~Memo()
  59 {
  60 }
  61
  62 const unsigned char* Memo::ParseField(const unsigned char *begin,
  63                                       const unsigned char *end)
  64 {
  65         const CommonField *field = (const CommonField *) begin;
  66
  67         // advance and check size
  68         begin += COMMON_FIELD_HEADER_SIZE + btohs(field->size);
  69         if( begin > end )       // if begin==end, we are ok
  70                 return begin;
  71
  72         if( !btohs(field->size) )   // if field has no size, something's up
  73                 return begin;
  74
  75         if( field->type == MEMFC_MEMO_TYPE ) {
  76                 if( ( MemoType = field->u.raw[0] ) != 'm' ) {
  77                         throw Error( "Memo::ParseField: MemoType is not 'm'" );
  78                 }
  79         return begin;
  80         }
  81
  82
  83         // cycle through the type table
  84         for(    FieldLink<Memo> *b = MemoFieldLinks;
  85                 b->type != MEMFC_END;
  86                 b++ )
  87         {
  88                 if( b->type == field->type ) {
  89                         if( b->strMember ) {
  90                                 std::string &s = this->*(b->strMember);
  91                                 s = ParseFieldString(field);
  92                                 return begin;   // done!
  93                         }
  94                         else if( b->timeMember && btohs(field->size) == 4 ) {
  95                                 time_t &t = this->*(b->timeMember);
  96                                 t = min2time(field->u.min1900);
  97                                 return begin;
  98                         }
  99                 }
 100         }
 101
 102         // if still not handled, add to the Unknowns list
 103         UnknownField uf;
 104         uf.type = field->type;
 105         uf.data.assign((const char*)field->u.raw, btohs(field->size));
 106         Unknowns.push_back(uf);
 107
 108         // return new pointer for next field
 109         return begin;
 110 }
 111
 112 void Memo::ParseHeader(const Data &data, size_t &offset)
 113 {
 114         // no header in Memo records
 115 }
 116
 117 void Memo::ParseFields(const Data &data, size_t &offset)
 118 {
 119         const unsigned char *finish = ParseCommonFields(*this,
 120         data.GetData() + offset, data.GetData() + data.GetSize());
 121         offset += finish - (data.GetData() + offset);
 122 }
 123
 124
 125 void Memo::Dump(std::ostream &os) const
 126 {
 127         os << "Memo entry: 0x" << setbase(16) << RecordId
 128            << " (" << (unsigned int)RecType << ")\n";
 129         os << "    Title: " << Title << "\n";
 130         os << "    Body: " << Body << "\n";
 131         os << "    Category: " << Category << "\n";
 132
 133         os << Unknowns;
 134         os << "\n\n";
 135 }
 136
 137 void Memo::Clear()
 138 {
 139         Title.clear();
 140         Body.clear();
 141         Category.clear();
 142
 143         MemoType = 0;
 144
 145         Unknowns.clear();
 146 }
 147
 148 } // namespace Barry
 149