leveldb::Slice Class Reference

#include <slice.h>

Public Member Functions
	Slice ()
	Slice (const char *d, size_t n)
	Slice (const std::string &s)
	Slice (const char *s)
const char *	data () const
size_t	size () const
bool	empty () const
char	operator[] (size_t n) const
void	clear ()
void	remove_prefix (size_t n)
std::string	ToString () const
int	compare (const Slice &b) const
bool	starts_with (const Slice &x) const

Private Attributes
const char *	data_
size_t	size_

Detailed Description

Definition at line 25 of file slice.h.

Constructor & Destructor Documentation

Slice() [1/4]

leveldb::Slice::Slice ( )

inline

Definition at line 28 of file slice.h.

: data_(""), size_(0) { }

Slice() [2/4]

leveldb::Slice::Slice ( const char *  d, size_t  n  )

inline

Definition at line 31 of file slice.h.

: data_(d), size_(n) { }

Slice() [3/4]

leveldb::Slice::Slice ( const std::string &  s )

inline

Definition at line 34 of file slice.h.

: data_(s.data()), size_(s.size()) { }

Slice() [4/4]

leveldb::Slice::Slice ( const char *  s )

inline

Definition at line 37 of file slice.h.

: data_(s), size_(strlen(s)) { }

Member Function Documentation

clear()

void leveldb::Slice::clear ( )

inline

Definition at line 56 of file slice.h.

{ data_ = ""; size_ = 0; }

Here is the caller graph for this function:

compare()

int leveldb::Slice::compare ( const Slice &  b ) const

inline

Definition at line 96 of file slice.h.

                                              {
  const size_t min_len = (size_ < b.size_) ? size_ : b.size_;
  int r = memcmp(data_, b.data_, min_len);
  if (r == 0) {
    if (size_ < b.size_) r = -1;
    else if (size_ > b.size_) r = +1;
  }
  return r;
}

Here is the caller graph for this function:

data()

const char* leveldb::Slice::data ( ) const

inline

Definition at line 40 of file slice.h.

{ return data_; }

empty()

bool leveldb::Slice::empty ( ) const

inline

Definition at line 46 of file slice.h.

{ return size_ == 0; }

Here is the caller graph for this function:

operator[]()

char leveldb::Slice::operator[] ( size_t  n ) const

inline

Definition at line 50 of file slice.h.

                                  {
    assert(n < size());
    return data_[n];
  }

Here is the call graph for this function:

remove_prefix()

void leveldb::Slice::remove_prefix ( size_t  n )

inline

Definition at line 59 of file slice.h.

                               {
    assert(n <= size());
    data_ += n;
    size_ -= n;
  }

Here is the call graph for this function:

Here is the caller graph for this function:

size()

size_t leveldb::Slice::size ( ) const

inline

Definition at line 43 of file slice.h.

{ return size_; }

starts_with()

bool leveldb::Slice::starts_with ( const Slice &  x ) const

inline

Definition at line 75 of file slice.h.

                                         {
    return ((size_ >= x.size_) &&
            (memcmp(data_, x.data_, x.size_) == 0));
  }

Here is the caller graph for this function:

ToString()

std::string leveldb::Slice::ToString ( ) const

inline

Definition at line 66 of file slice.h.

{ return std::string(data_, size_); }

Here is the call graph for this function:

Here is the caller graph for this function:

Member Data Documentation

data_

const char* leveldb::Slice::data_

private

Definition at line 81 of file slice.h.

size_

size_t leveldb::Slice::size_

private

Definition at line 82 of file slice.h.

---

The documentation for this class was generated from the following file:

• include/leveldb/slice.h