/usr/include/barry18/barry/data.h is in libbarry-dev 0.18.5-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 | ///
/// \file data.h
/// Class to deal with pre-saved data files
///
/*
Copyright (C) 2005-2013, Net Direct Inc. (http://www.netdirect.ca/)
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License in the COPYING file at the
root directory of this project for more details.
*/
#ifndef __SB_DATA_H__
#define __SB_DATA_H__
#include "dll.h"
#include <iosfwd>
#include <vector>
#include <string>
#include <stdint.h>
#define BARRY_DATA_DEFAULT_SIZE 0x4000
#define BARRY_DATA_DEFAULT_PREPEND_SIZE 0x100
namespace Barry {
class BXEXPORT Data
{
unsigned char *m_memBlock; //< pointer to full memory block
//< can be null if external
size_t m_blockSize; //< size of m_memBlock buffer allocated
unsigned char *m_dataStart; //< pointer to start of internal data
//< can be null if external, and can
//< start somewhere in the middle of
//< m_memBlock if internal with a
//< prepend buffer
size_t m_dataSize; //< number of bytes of actual data
// copy on write feature
const unsigned char *m_externalData;
bool m_external;
// meta data
int m_endpoint;
// output format flags
static bool bPrintAscii;
protected:
void MakeSpace(size_t desiredsize, size_t desiredprepend = 0);
size_t AvailablePrependSpace() const;
public:
Data();
explicit Data(int endpoint, size_t startsize = BARRY_DATA_DEFAULT_SIZE, size_t prependsize = BARRY_DATA_DEFAULT_PREPEND_SIZE);
Data(const void *ValidData, size_t size);
Data(const Data &other);
~Data();
void InputHexLine(std::istream &is);
void DumpHexLine(std::ostream &os, size_t index, size_t size) const;
void DumpHex(std::ostream &os) const;
int GetEndpoint() const { return m_endpoint; }
const unsigned char * GetData() const { return m_external ? m_externalData : m_dataStart; }
size_t GetSize() const { return m_dataSize; }
unsigned char * GetBuffer(size_t requiredsize = 0);
/// Returns size of buffer returned by GetBuffer()
size_t GetBufSize() const;
void ReleaseBuffer(int datasize = -1);
void AppendHexString(const char *str);
/// set buffer to 0 size, but don't bother overwriting memory with 0
void QuickZap() { m_dataSize = 0; }
void Zap(); // does a memset too
Data& operator=(const Data &other);
//
// Utility functions
//
// Writing data... basically does a memcpy(dst,src,sizeof(src))
// for each type. Does no endian conversions.
// dst is calculated as buffer + offset.
// The buffer is expanded automatically if needed.
// The offset is advanced by the size of the data.
// GetSize() will increase automatically if the result of
// the MemCpy() goes beyond the existing data size.
//
void MemCpy(size_t &offset, const void *src, size_t size);
void Append(const void *buf, size_t size);
void Prepend(const void *buf, size_t size);
void Prechop(size_t size);
template <class ValueT>
void SetValue(size_t &offset, ValueT value)
{
this->MemCpy(offset, &value, sizeof(value));
}
// static functions
static void PrintAscii(bool setting) { bPrintAscii = setting; }
static bool PrintAscii() { return bPrintAscii; }
};
BXEXPORT std::istream& operator>> (std::istream &is, Data &data);
BXEXPORT std::ostream& operator<< (std::ostream &os, const Data &data);
class BXEXPORT Diff
{
const Data &m_old, &m_new;
BXLOCAL void Compare(std::ostream &os, size_t index, size_t size) const;
public:
Diff(const Data &old, const Data &new_);
void Dump(std::ostream &os) const;
};
BXEXPORT std::ostream& operator<< (std::ostream &os, const Diff &diff);
// utility functions
BXEXPORT bool LoadDataArray(const std::string &filename, std::vector<Data> &array);
BXEXPORT bool ReadDataArray(std::istream &is, std::vector<Data> &array);
//
// DBData
//
/// Database record data class. The purpose of this class is to contain
/// the raw data that flows between low level activity such as device
/// read/writes, backup read/writes, and record parsing.
///
/// This class contains the low level record data block, unparsed, as well
/// as the surrounding meta data, such as the database name it belongs
/// to, the Unique ID, the Rec Type, and format version/type based on what
/// commands were used to extract the data from the device. (When using
/// newer commands, the format of the records, potentially including the
/// individual field type codes, are different.)
///
/// Possible bi-directional data flow in all of Barry:
/// Note that this class, DBData, represents the data+meta stage.
///
/// data+meta <-> device
/// data+meta <-> backup file
/// data+meta <-> record object
/// record object <-> boost serialization
/// contact record object <-> ldif
///
/// Possible uni-directional data flow in all of Barry:
///
/// record object -> text dump
///
class BXEXPORT DBData
{
public:
enum RecordFormatVersion
{
REC_VERSION_1,
REC_VERSION_2
};
private:
// record meta data
RecordFormatVersion m_version;
std::string m_dbName;
uint8_t m_recType;
uint32_t m_uniqueId;
size_t m_offset;
// the raw data block, internal
Data *m_localData;
// the data block to use... could be external or internal,
// and does not change for the life of the object
Data &m_data;
public:
/// Default constructor, constructs an empty local Data object
DBData();
/// Copy constructor - always creates an internal Data object, and
/// uses Data object's copy constructor to make it.
/// Copies all meta data as well.
/// If you want to optimize the copy, use one of the constructors
/// below.
DBData(const DBData &other);
/// Constructs a local Data object that points to external memory
DBData(const void *ValidData, size_t size);
DBData(RecordFormatVersion ver, const std::string &dbName,
uint8_t recType, uint32_t uniqueId, size_t offset,
const void *ValidData, size_t size);
/// If copy == false, constructs an external Data object, no local.
/// If copy == true, constructs an internal Data object copy
/// For speed, set copy to false.
/// If you want Copy On Write behaviour, similar to Data(buf,size),
/// then use the above (buf, size) constructor, not this one,
/// since this constructor uses Data's copy constructor.
DBData(Data &externalData, bool copy);
DBData(RecordFormatVersion ver, const std::string &dbName,
uint8_t recType, uint32_t uniqueId, size_t offset,
Data &externalData, bool copy);
~DBData();
// access meta data
RecordFormatVersion GetVersion() const { return m_version; }
const std::string& GetDBName() const { return m_dbName; }
uint8_t GetRecType() const { return m_recType; }
uint32_t GetUniqueId() const { return m_uniqueId; }
size_t GetOffset() const { return m_offset; }
const Data& GetData() const { return m_data; }
Data& UseData();
// operations
void SetVersion(RecordFormatVersion ver)
{
m_version = ver;
}
void SetDBName(const std::string &dbName)
{
m_dbName = dbName;
}
void SetIds(uint8_t recType, uint32_t uniqueId)
{
m_recType = recType;
m_uniqueId = uniqueId;
}
void SetOffset(size_t offset)
{
m_offset = offset;
}
void CopyMeta(const DBData &src)
{
m_version = src.m_version;
m_dbName = src.m_dbName;
m_recType = src.m_recType;
m_uniqueId = src.m_uniqueId;
m_offset = src.m_offset;
}
DBData& operator=(const DBData &other);
};
} // namespace Barry
#endif
|