/*
-Copyright (c) 2005-2009, John Hurst
+Copyright (c) 2005-2015, John Hurst
All rights reserved.
Redistribution and use in source and binary forms, with or without
#include <KM_memio.h>
#include <KM_error.h>
+#include <KM_tai.h>
#include <string.h>
-#include <string>
#include <list>
namespace Kumu
return (*buf & 0x0f) + 1;
}
+ // Return the BER length required to encode value. A return value of zero
+ // indicates a value too large for this library.
+ ui32_t get_BER_length_for_value(ui64_t valuse);
+
// read a BER value
bool read_BER(const byte_t* buf, ui64_t* val);
bool Archive(Kumu::MemIOWriter* Writer) const
{
if ( Writer == 0 ) return false;
- if ( ! Writer->WriteUi32BE(this->size()) ) return false;
+ if ( ! Writer->WriteUi32BE(static_cast<ui32_t>(this->size())) ) return false;
typename ArchivableList<T>::const_iterator i = this->begin();
for ( ; i != this->end(); i++ )
if ( ! i->Archive(Writer) ) return false;
}
};
+ // archivable version of std::string
+
+ //
+ class ArchivableString : public std::string, public Kumu::IArchive
+ {
+
+ public:
+ ArchivableString() {}
+ ArchivableString(const char* sz) : std::string(sz) {}
+ ArchivableString(const std::string& s) : std::string(s) {}
+ virtual ~ArchivableString() {}
+
+ bool HasValue() const { return ! this->empty(); }
+ ui32_t ArchiveLength() const { return sizeof(ui32_t) + static_cast<ui32_t>(this->size()); }
+
+ bool Archive(MemIOWriter* Writer) const {
+ if ( Writer == 0 ) return false;
+ return Writer->WriteString(*this);
+ }
+
+ bool Unarchive(MemIOReader* Reader) {
+ if ( Reader == 0 ) return false;
+ return Reader->ReadString(*this);
+ }
+ };
+
+ //
+ class ArchivableUi16 : public Kumu::IArchive
+ {
+ ui16_t m_Value;
+
+ public:
+ ArchivableUi16() : m_Value(0) {}
+ ArchivableUi16(const ui16_t& value) : m_Value(value) {}
+ virtual ~ArchivableUi16() {}
+
+ bool HasValue() const { return true; }
+ ui32_t ArchiveLength() const { return sizeof(ui16_t); }
+
+ bool Archive(MemIOWriter* Writer) const {
+ if ( Writer == 0 ) return false;
+ return Writer->WriteUi16BE(m_Value);
+ }
+
+ bool Unarchive(MemIOReader* Reader) {
+ if ( Reader == 0 ) return false;
+ return Reader->ReadUi16BE(&m_Value);
+ }
+
+ const char* EncodeString(char* str_buf, ui32_t buf_len) const {
+ snprintf(str_buf, buf_len, "%hu", m_Value);
+ return str_buf;
+ }
+ };
+
+ //
+ typedef Kumu::ArchivableList<ArchivableString> StringList;
+
//
// the base of all identifier classes, Identifier is not usually used directly
// see UUID and SymmetricKey below for more detail.
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;
}
// UTC time+date representation
class Timestamp : public IArchive
{
- public:
- ui16_t Year;
- ui8_t Month;
- ui8_t Day;
- ui8_t Hour;
- ui8_t Minute;
- ui8_t Second;
+ TAI::tai m_Timestamp; // always UTC
+ i32_t m_TZOffsetMinutes;
+ public:
Timestamp();
Timestamp(const Timestamp& rhs);
Timestamp(const char* datestr);
+ Timestamp(const ui16_t& Year, const ui8_t& Month, const ui8_t& Day);
+ Timestamp(const ui16_t& Year, const ui8_t& Month, const ui8_t& Day,
+ const ui8_t& Hour, const ui8_t& Minute, const ui8_t& Second);
virtual ~Timestamp();
const Timestamp& operator=(const Timestamp& rhs);
bool operator==(const Timestamp& rhs) const;
bool operator!=(const Timestamp& rhs) const;
+ // always UTC
+ void GetComponents(ui16_t& Year, ui8_t& Month, ui8_t& Day,
+ ui8_t& Hour, ui8_t& Minute, ui8_t& Second) const;
+ void SetComponents(const ui16_t& Year, const ui8_t& Month, const ui8_t& Day,
+ const ui8_t& Hour, const ui8_t& Minute, const ui8_t& Second);
+
// 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, hours, or minutes 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);
+ inline void AddDays(const i32_t& d) { m_Timestamp.add_days(d); }
+ inline void AddHours(const i32_t& h) { m_Timestamp.add_hours(h); }
+ inline void AddMinutes(const i32_t& m) { m_Timestamp.add_minutes(m); }
+ inline void AddSeconds(const i32_t& s) { m_Timestamp.add_seconds(s); }
- // Read and write the timestamp value as a byte string having
+ // returns false if the requested adjustment is out of range
+ bool SetTZOffsetMinutes(const i32_t& minutes);
+ inline i32_t GetTZOffsetMinutes() const { return m_TZOffsetMinutes; }
+
+ // Return the number of seconds since the Unix epoch UTC (1970-01-01T00:00:00+00:00)
+ ui64_t GetCTime() const;
+
+ // Set internal time to the number of seconds since the Unix epoch UTC
+ void SetCTime(const ui64_t& ctime);
+
+ // Read and write the timestamp (always UTC) 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) |
inline virtual bool HasValue() const { return m_Length > 0; }
- inline virtual ui32_t ArchiveLength() const { return m_Length; }
+ inline virtual ui32_t ArchiveLength() const { return sizeof(ui32_t) + m_Length; }
inline virtual bool Archive(MemIOWriter* Writer) const {
assert(Writer);
}
};
+ inline void hexdump(const ByteString& buf, FILE* stream = 0) {
+ hexdump(buf.RoData(), buf.Length(), stream);
+ }
+
+ // Locates the first occurrence of the null-terminated string s2 in the string s1, where not more
+ // than n characters are searched. Characters that appear after a `\0' character are not searched.
+ // Reproduced here from BSD for portability.
+ const char *km_strnstr(const char *s1, const char *s2, size_t n);
+
+ // Split the input string into tokens using the given separator. If the separator is not found the
+ // entire string will be returned as a single-item list. Empty items will be recorded for
+ // adjacent instances of the separator. E.g., "/foo//bar/" will return ["", "foo", "", "bar", ""].
+ std::list<std::string> km_token_split(const std::string& str, const std::string& separator);
+
+ // Join the tokens in the given list using delimiter. If prefix is defined then each token
+ // will be concatenated with the prefix before being added to the composite string.
+ template <class T>
+ std::string
+ km_join(const T& list, const std::string& delimiter, const std::string& prefix = "")
+ {
+ std::string result;
+
+ for ( typename T::const_iterator i = list.begin(); i != list.end(); ++i )
+ {
+ if ( i != list.begin() )
+ {
+ result += delimiter;
+ }
+
+ result += prefix + *i;
+ }
+
+ return result;
+ }
+
} // namespace Kumu
projects / asdcplib.git / blobdiff