From d9a89c0d5b57c81c62f01bcf9a5a33119c1c1ae7 Mon Sep 17 00:00:00 2001 From: Arne Schwabe Date: Wed, 14 Oct 2015 00:26:19 +0200 Subject: Remove snappy (closes issue #402) --- main/snappy/snappy-sinksource.h | 137 ---------------------------------------- 1 file changed, 137 deletions(-) delete mode 100644 main/snappy/snappy-sinksource.h (limited to 'main/snappy/snappy-sinksource.h') diff --git a/main/snappy/snappy-sinksource.h b/main/snappy/snappy-sinksource.h deleted file mode 100644 index faabfa1e..00000000 --- a/main/snappy/snappy-sinksource.h +++ /dev/null @@ -1,137 +0,0 @@ -// Copyright 2011 Google Inc. All Rights Reserved. -// -// Redistribution and use in source and binary forms, with or without -// modification, are permitted provided that the following conditions are -// met: -// -// * Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// * Redistributions in binary form must reproduce the above -// copyright notice, this list of conditions and the following disclaimer -// in the documentation and/or other materials provided with the -// distribution. -// * Neither the name of Google Inc. nor the names of its -// contributors may be used to endorse or promote products derived from -// this software without specific prior written permission. -// -// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT -// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT -// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -#ifndef UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_ -#define UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_ - -#include - - -namespace snappy { - -// A Sink is an interface that consumes a sequence of bytes. -class Sink { - public: - Sink() { } - virtual ~Sink(); - - // Append "bytes[0,n-1]" to this. - virtual void Append(const char* bytes, size_t n) = 0; - - // Returns a writable buffer of the specified length for appending. - // May return a pointer to the caller-owned scratch buffer which - // must have at least the indicated length. The returned buffer is - // only valid until the next operation on this Sink. - // - // After writing at most "length" bytes, call Append() with the - // pointer returned from this function and the number of bytes - // written. Many Append() implementations will avoid copying - // bytes if this function returned an internal buffer. - // - // If a non-scratch buffer is returned, the caller may only pass a - // prefix of it to Append(). That is, it is not correct to pass an - // interior pointer of the returned array to Append(). - // - // The default implementation always returns the scratch buffer. - virtual char* GetAppendBuffer(size_t length, char* scratch); - - - private: - // No copying - Sink(const Sink&); - void operator=(const Sink&); -}; - -// A Source is an interface that yields a sequence of bytes -class Source { - public: - Source() { } - virtual ~Source(); - - // Return the number of bytes left to read from the source - virtual size_t Available() const = 0; - - // Peek at the next flat region of the source. Does not reposition - // the source. The returned region is empty iff Available()==0. - // - // Returns a pointer to the beginning of the region and store its - // length in *len. - // - // The returned region is valid until the next call to Skip() or - // until this object is destroyed, whichever occurs first. - // - // The returned region may be larger than Available() (for example - // if this ByteSource is a view on a substring of a larger source). - // The caller is responsible for ensuring that it only reads the - // Available() bytes. - virtual const char* Peek(size_t* len) = 0; - - // Skip the next n bytes. Invalidates any buffer returned by - // a previous call to Peek(). - // REQUIRES: Available() >= n - virtual void Skip(size_t n) = 0; - - private: - // No copying - Source(const Source&); - void operator=(const Source&); -}; - -// A Source implementation that yields the contents of a flat array -class ByteArraySource : public Source { - public: - ByteArraySource(const char* p, size_t n) : ptr_(p), left_(n) { } - virtual ~ByteArraySource(); - virtual size_t Available() const; - virtual const char* Peek(size_t* len); - virtual void Skip(size_t n); - private: - const char* ptr_; - size_t left_; -}; - -// A Sink implementation that writes to a flat array without any bound checks. -class UncheckedByteArraySink : public Sink { - public: - explicit UncheckedByteArraySink(char* dest) : dest_(dest) { } - virtual ~UncheckedByteArraySink(); - virtual void Append(const char* data, size_t n); - virtual char* GetAppendBuffer(size_t len, char* scratch); - - // Return the current output pointer so that a caller can see how - // many bytes were produced. - // Note: this is not a Sink method. - char* CurrentDestination() const { return dest_; } - private: - char* dest_; -}; - - -} - -#endif // UTIL_SNAPPY_SNAPPY_SINKSOURCE_H_ -- cgit v1.2.3