/*
-Copyright (c) 2005-2006, John Hurst
+Copyright (c) 2005-2009, John Hurst
All rights reserved.
Redistribution and use in source and binary forms, with or without
#include <KM_error.h>
#include <string.h>
#include <string>
+#include <list>
namespace Kumu
{
+ // The version number declaration and explanation are in ../configure.ac
+ const char* Version();
// a class that represents the string form of a value
template <class T, int SIZE = 16>
{
public:
virtual ~IArchive(){}
- virtual bool HasValue() const = 0;
- virtual bool Archive(MemIOWriter* Writer) const = 0;
- virtual bool Unarchive(MemIOReader* Reader) = 0;
+ virtual bool HasValue() const = 0;
+ virtual ui32_t ArchiveLength() const = 0;
+ virtual bool Archive(MemIOWriter* Writer) const = 0;
+ virtual bool Unarchive(MemIOReader* Reader) = 0;
};
+ //
+ template <class T>
+ class ArchivableList : public std::list<T>, public IArchive
+ {
+ public:
+ ArchivableList() {}
+ virtual ~ArchivableList() {}
+
+ bool HasValue() const { return ! this->empty(); }
+
+ ui32_t ArchiveLength() const
+ {
+ ui32_t arch_size = sizeof(ui32_t);
+
+ typename ArchivableList<T>::const_iterator i = this->begin();
+ for ( ; i != this->end(); i++ )
+ arch_size += i->ArchiveLength();
+
+ return arch_size;
+ }
+
+ bool Unarchive(Kumu::MemIOReader* Reader)
+ {
+ if ( Reader == 0 ) return false;
+ ui32_t read_size = 0;
+ if ( ! Reader->ReadUi32BE(&read_size) ) return false;
+ for ( ui32_t i = 0; i < read_size; i++ )
+ {
+ T TmpTP;
+ if ( ! TmpTP.Unarchive(Reader) ) return false;
+ this->push_back(TmpTP);
+ }
+
+ return true;
+ }
+
+ bool Archive(Kumu::MemIOWriter* Writer) const
+ {
+ if ( Writer == 0 ) return false;
+ if ( ! Writer->WriteUi32BE(this->size()) ) return false;
+ typename ArchivableList<T>::const_iterator i = this->begin();
+ for ( ; i != this->end(); i++ )
+ if ( ! i->Archive(Writer) ) return false;
+
+ return true;
+ }
+ };
//
// the base of all identifier classes, Identifier is not usually used directly
public:
Identifier() : m_HasValue(false) { memset(m_Value, 0, SIZE); }
Identifier(const byte_t* value) : m_HasValue(true) { memcpy(m_Value, value, SIZE); }
- Identifier(const Identifier& rhs) {
+ Identifier(const Identifier& rhs) : IArchive() {
m_HasValue = rhs.m_HasValue;
memcpy(m_Value, rhs.m_Value, SIZE);
}
}
inline void Set(const byte_t* value) { m_HasValue = true; memcpy(m_Value, value, SIZE); }
+ inline void Reset() { m_HasValue = false; memset(m_Value, 0, SIZE); }
inline const byte_t* Value() const { return m_Value; }
inline ui32_t Size() const { return SIZE; }
inline bool DecodeHex(const char* str) {
ui32_t char_count;
m_HasValue = ( hex2bin(str, m_Value, SIZE, &char_count) == 0 );
+ if ( m_HasValue && char_count != SIZE )
+ m_HasValue = false;
return m_HasValue;
}
inline bool DecodeBase64(const char* str) {
ui32_t char_count;
m_HasValue = ( base64decode(str, m_Value, SIZE, &char_count) == 0 );
+ if ( m_HasValue && char_count != SIZE )
+ m_HasValue = false;
return m_HasValue;
}
inline bool HasValue() const { return m_HasValue; }
+ inline ui32_t ArchiveLength() const { return SIZE; }
+
inline bool Unarchive(Kumu::MemIOReader* Reader) {
m_HasValue = Reader->ReadRaw(m_Value, SIZE);
return m_HasValue;
}
};
-
+
// UUID
//
const ui32_t UUID_Length = 16;
void GenRandomUUID(byte_t* buf); // buf must be UUID_Length or longer
void GenRandomValue(UUID&);
+ typedef ArchivableList<UUID> UUIDList;
+
// a self-wiping key container
//
const ui32_t SymmetricKey_Length = 16;
void GenRandomValue(SymmetricKey&);
//
- // 2004-05-01T13:20:00-00:00
+ // 2004-05-01T13:20:00+00:00
const ui32_t DateTimeLen = 25; // the number of chars in the xs:dateTime format (sans milliseconds)
// UTC time+date representation
bool operator==(const Timestamp& rhs) const;
bool operator!=(const Timestamp& rhs) const;
- // Write the timestamp value to the given buffer in the form 2004-05-01T13:20:00-00:00
+ // Write the timestamp value to the given buffer in the form 2004-05-01T13:20:00+00:00
// returns 0 if the buffer is smaller than DateTimeLen
const char* EncodeString(char* str_buf, ui32_t buf_len) const;
+ const char* EncodeStringWithOffset(char* str_buf, ui32_t buf_len,
+ i32_t offset_minutes = 0) const;
// decode and set value from string formatted by EncodeString
bool DecodeString(const char* datestr);
- // Add the given number of days or hours to the timestamp value.
+ // Add the given number of days, hours, minutes, or seconds to the timestamp value.
// Values less than zero will cause the timestamp to decrease
void AddDays(i32_t);
void AddHours(i32_t);
+ void AddMinutes(i32_t);
+ void AddSeconds(i32_t);
// Read and write the timestamp value as a byte string having
// the following format:
// | 16 bits int, big-endian | 8 bits | 8 bits | 8 bits | 8 bits | 8 bits |
// | Year A.D | Month(1-12) | Day(1-31) | Hour(0-23) | Minute(0-59) | Second(0-59) |
//
- virtual bool HasValue() const;
- virtual bool Archive(MemIOWriter* Writer) const;
- virtual bool Unarchive(MemIOReader* Reader);
+ virtual bool HasValue() const;
+ virtual ui32_t ArchiveLength() const { return 8L; }
+ virtual bool Archive(MemIOWriter* Writer) const;
+ virtual bool Unarchive(MemIOReader* Reader);
+
+ // Get the number of seconds since the Unix epoch (1970-01-01T00:00:00+00:00)
+ long GetSecondsSinceEpoch(void) const;
};
//
ByteString(ui32_t cap);
virtual ~ByteString();
- // Sets the size of the internally allocated buffer.
- // Resets content Size to zero.
+ // Sets or resets the size of the internally allocated buffer.
Result_t Capacity(ui32_t cap);
Result_t Append(const ByteString&);
// copy the given data into the ByteString, set Length value.
// Returns error if the ByteString is too small.
Result_t Set(const byte_t* buf, ui32_t buf_len);
+ Result_t Set(const ByteString& Buf);
inline virtual bool HasValue() const { return m_Length > 0; }
+ inline virtual ui32_t ArchiveLength() const { return m_Length; }
+
inline virtual bool Archive(MemIOWriter* Writer) const {
assert(Writer);
if ( ! Writer->WriteUi32BE(m_Length) ) return false;
inline virtual bool Unarchive(MemIOReader* Reader) {
assert(Reader);
- if ( ! Reader->ReadUi32BE(&m_Length) ) return false;
- if ( KM_FAILURE(Capacity(m_Length)) ) return false;
- if ( ! Reader->ReadRaw(m_Data, m_Length) ) return false;
+ ui32_t tmp_len;
+ if ( ! Reader->ReadUi32BE(&tmp_len) ) return false;
+ if ( KM_FAILURE(Capacity(tmp_len)) ) return false;
+ if ( ! Reader->ReadRaw(m_Data, tmp_len) ) return false;
+ m_Length = tmp_len;
return true;
}
};