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Diffstat (limited to 'src/google/protobuf/stubs/stl_util.h')
| -rw-r--r-- | src/google/protobuf/stubs/stl_util.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/src/google/protobuf/stubs/stl_util.h b/src/google/protobuf/stubs/stl_util.h deleted file mode 100644 index 9e4c82a..0000000 --- a/src/google/protobuf/stubs/stl_util.h +++ /dev/null @@ -1,121 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// 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. - -// from google3/util/gtl/stl_util.h - -#ifndef GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__ -#define GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__ - -#include <google/protobuf/stubs/common.h> - -namespace google { -namespace protobuf { - -// STLDeleteContainerPointers() -// For a range within a container of pointers, calls delete -// (non-array version) on these pointers. -// NOTE: for these three functions, we could just implement a DeleteObject -// functor and then call for_each() on the range and functor, but this -// requires us to pull in all of algorithm.h, which seems expensive. -// For hash_[multi]set, it is important that this deletes behind the iterator -// because the hash_set may call the hash function on the iterator when it is -// advanced, which could result in the hash function trying to deference a -// stale pointer. -template <class ForwardIterator> -void STLDeleteContainerPointers(ForwardIterator begin, - ForwardIterator end) { - while (begin != end) { - ForwardIterator temp = begin; - ++begin; - delete *temp; - } -} - -// Inside Google, this function implements a horrible, disgusting hack in which -// we reach into the string's private implementation and resize it without -// initializing the new bytes. In some cases doing this can significantly -// improve performance. However, since it's totally non-portable it has no -// place in open source code. Feel free to fill this function in with your -// own disgusting hack if you want the perf boost. -inline void STLStringResizeUninitialized(string* s, size_t new_size) { - s->resize(new_size); -} - -// Return a mutable char* pointing to a string's internal buffer, -// which may not be null-terminated. Writing through this pointer will -// modify the string. -// -// string_as_array(&str)[i] is valid for 0 <= i < str.size() until the -// next call to a string method that invalidates iterators. -// -// As of 2006-04, there is no standard-blessed way of getting a -// mutable reference to a string's internal buffer. However, issue 530 -// (http://www.open-std.org/JTC1/SC22/WG21/docs/lwg-active.html#530) -// proposes this as the method. According to Matt Austern, this should -// already work on all current implementations. -inline char* string_as_array(string* str) { - // DO NOT USE const_cast<char*>(str->data())! See the unittest for why. - return str->empty() ? NULL : &*str->begin(); -} - -// STLDeleteElements() deletes all the elements in an STL container and clears -// the container. This function is suitable for use with a vector, set, -// hash_set, or any other STL container which defines sensible begin(), end(), -// and clear() methods. -// -// If container is NULL, this function is a no-op. -// -// As an alternative to calling STLDeleteElements() directly, consider -// ElementDeleter (defined below), which ensures that your container's elements -// are deleted when the ElementDeleter goes out of scope. -template <class T> -void STLDeleteElements(T *container) { - if (!container) return; - STLDeleteContainerPointers(container->begin(), container->end()); - container->clear(); -} - -// Given an STL container consisting of (key, value) pairs, STLDeleteValues -// deletes all the "value" components and clears the container. Does nothing -// in the case it's given a NULL pointer. - -template <class T> -void STLDeleteValues(T *v) { - if (!v) return; - for (typename T::iterator i = v->begin(); i != v->end(); ++i) { - delete i->second; - } - v->clear(); -} - -} // namespace protobuf -} // namespace google - -#endif // GOOGLE_PROTOBUF_STUBS_STL_UTIL_H__ |