src/r_memo.cc

   1 ///
   2 /// \file       r_memo.cc
   3 ///             Record parsing class for the memo database.
   4 ///
   5
   6 /*
   7     Copyright (C) 2005-2009, 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 "iconv.h"
  29 #include <ostream>
  30 #include <iomanip>
  31
  32 using namespace std;
  33 using namespace Barry::Protocol;
  34
  35 namespace Barry {
  36
  37 ///////////////////////////////////////////////////////////////////////////////
  38 // Memo Class
  39
  40 // Memo Field Codes
  41 #define MEMFC_TITLE             0x01
  42 #define MEMFC_BODY              0x02
  43 #define MEMFC_MEMO_TYPE         0x03
  44 #define MEMFC_CATEGORY          0x04
  45 #define MEMFC_END               0xffff
  46
  47 static FieldLink<Memo> MemoFieldLinks[] = {
  48     { MEMFC_TITLE,     "Title",       0, 0, &Memo::Title, 0, 0, 0, 0, true },
  49     { MEMFC_BODY,      "Body",        0, 0, &Memo::Body, 0, 0, 0, 0, true },
  50     { MEMFC_CATEGORY,  "Category",    0, 0, &Memo::Category, 0, 0, 0, 0, true },
  51     { MEMFC_END,       "End of List", 0, 0, 0, 0, 0, 0, 0, false }
  52 };
  53
  54 Memo::Memo()
  55 {
  56         Clear();
  57 }
  58
  59 Memo::~Memo()
  60 {
  61 }
  62
  63 const unsigned char* Memo::ParseField(const unsigned char *begin,
  64                                       const unsigned char *end,
  65                                       const IConverter *ic)
  66 {
  67         const CommonField *field = (const CommonField *) begin;
  68
  69         // advance and check size
  70         begin += COMMON_FIELD_HEADER_SIZE + btohs(field->size);
  71         if( begin > end )       // if begin==end, we are ok
  72                 return begin;
  73
  74         if( !btohs(field->size) )   // if field has no size, something's up
  75                 return begin;
  76
  77         if( field->type == MEMFC_MEMO_TYPE ) {
  78                 if( ( MemoType = field->u.raw[0] ) != 'm' ) {
  79                         throw Error( "Memo::ParseField: MemoType is not 'm'" );
  80                 }
  81         return begin;
  82         }
  83
  84
  85         // cycle through the type table
  86         for(    FieldLink<Memo> *b = MemoFieldLinks;
  87                 b->type != MEMFC_END;
  88                 b++ )
  89         {
  90                 if( b->type == field->type ) {
  91                         if( b->strMember ) {
  92                                 std::string &s = this->*(b->strMember);
  93                                 s = ParseFieldString(field);
  94                                 if( b->iconvNeeded && ic )
  95                                         s = ic->FromBB(s);
  96                                 return begin;   // done!
  97                         }
  98                         else if( b->timeMember && btohs(field->size) == 4 ) {
  99                                 time_t &t = this->*(b->timeMember);
 100                                 t = min2time(field->u.min1900);
 101                                 return begin;
 102                         }
 103                 }
 104         }
 105
 106         // if still not handled, add to the Unknowns list
 107         UnknownField uf;
 108         uf.type = field->type;
 109         uf.data.assign((const char*)field->u.raw, btohs(field->size));
 110         Unknowns.push_back(uf);
 111
 112         // return new pointer for next field
 113         return begin;
 114 }
 115
 116 void Memo::ParseHeader(const Data &data, size_t &offset)
 117 {
 118         // no header in Memo records
 119 }
 120
 121 void Memo::ParseFields(const Data &data, size_t &offset, const IConverter *ic)
 122 {
 123         const unsigned char *finish = ParseCommonFields(*this,
 124                 data.GetData() + offset, data.GetData() + data.GetSize(), ic);
 125         offset += finish - (data.GetData() + offset);
 126 }
 127
 128
 129 void Memo::Dump(std::ostream &os) const
 130 {
 131         os << "Memo entry: 0x" << setbase(16) << RecordId
 132            << " (" << (unsigned int)RecType << ")\n";
 133         os << "    Title: " << Title << "\n";
 134         os << "    Body: " << Body << "\n";
 135         os << "    Category: " << Category << "\n";
 136
 137         os << Unknowns;
 138         os << "\n\n";
 139 }
 140
 141 void Memo::Clear()
 142 {
 143         Title.clear();
 144         Body.clear();
 145         Category.clear();
 146
 147         MemoType = 0;
 148
 149         Unknowns.clear();
 150 }
 151
 152 } // namespace Barry
 153