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author | iddqd <iddqd@yandex-team.com> | 2024-12-19 10:46:06 +0300 |
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committer | iddqd <iddqd@yandex-team.com> | 2024-12-19 10:59:56 +0300 |
commit | bb0840c0025a75dd3b85b746ebcec7deb7d9fe1c (patch) | |
tree | 85bc5522e873d9d5c37df278f0300c26fe9e729e /contrib/libs/breakpad/src/processor/static_map_iterator-inl.h | |
parent | 1353077f79bb3547792b2fc86c22a695f0bc76f9 (diff) | |
download | ydb-bb0840c0025a75dd3b85b746ebcec7deb7d9fe1c.tar.gz |
Add contib/libs/breakpad to export
commit_hash:9d85255f8d9249f14105e4626bf4484805b8aed4
Diffstat (limited to 'contrib/libs/breakpad/src/processor/static_map_iterator-inl.h')
-rw-r--r-- | contrib/libs/breakpad/src/processor/static_map_iterator-inl.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/contrib/libs/breakpad/src/processor/static_map_iterator-inl.h b/contrib/libs/breakpad/src/processor/static_map_iterator-inl.h new file mode 100644 index 0000000000..84745842c6 --- /dev/null +++ b/contrib/libs/breakpad/src/processor/static_map_iterator-inl.h @@ -0,0 +1,147 @@ +// Copyright 2010 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. + +// static_map_iterator-inl.h: StaticMapIterator implementation. +// +// See static_map_iterator.h for documentation. +// +// Author: Siyang Xie (lambxsy@google.com) + +#ifndef PROCESSOR_STATIC_MAP_ITERATOR_INL_H__ +#define PROCESSOR_STATIC_MAP_ITERATOR_INL_H__ + +#include "processor/static_map_iterator.h" + +#include "processor/logging.h" + +namespace google_breakpad { + +template<typename Key, typename Value, typename Compare> +StaticMapIterator<Key, Value, Compare>::StaticMapIterator(const char* base, + const int& index): + index_(index), base_(base) { + // See static_map.h for documentation on + // bytes format of serialized StaticMap data. + num_nodes_ = *(reinterpret_cast<const int32_t*>(base_)); + offsets_ = reinterpret_cast<const uint32_t*>(base_ + sizeof(num_nodes_)); + keys_ = reinterpret_cast<const Key*>( + base_ + (1 + num_nodes_) * sizeof(num_nodes_)); +} + +// Increment & Decrement operators: +template<typename Key, typename Value, typename Compare> +StaticMapIterator<Key, Value, Compare>& +StaticMapIterator<Key, Value, Compare>::operator++() { + if (!IsValid()) { + BPLOG(ERROR) << "operator++ on invalid iterator"; + return *this; + } + if (++index_ > num_nodes_) index_ = num_nodes_; + return *this; +} + +template<typename Key, typename Value, typename Compare> +StaticMapIterator<Key, Value, Compare> +StaticMapIterator<Key, Value, Compare>::operator++(int postfix_operator) { + if (!IsValid()) { + BPLOG(ERROR) << "operator++ on invalid iterator"; + return *this; + } + StaticMapIterator<Key, Value, Compare> tmp = *this; + if (++index_ > num_nodes_) index_ = num_nodes_; + return tmp; +} + +template<typename Key, typename Value, typename Compare> +StaticMapIterator<Key, Value, Compare>& +StaticMapIterator<Key, Value, Compare>::operator--() { + if (!IsValid()) { + BPLOG(ERROR) << "operator++ on invalid iterator"; + return *this; + } + + if (--index_ < 0) index_ = 0; + return *this; +} + +template<typename Key, typename Value, typename Compare> +StaticMapIterator<Key, Value, Compare> +StaticMapIterator<Key, Value, Compare>::operator--(int postfix_operator) { + if (!IsValid()) { + BPLOG(ERROR) << "operator++ on invalid iterator"; + return *this; + } + StaticMapIterator<Key, Value, Compare> tmp = *this; + + if (--index_ < 0) index_ = 0; + return tmp; +} + +template<typename Key, typename Value, typename Compare> +const Key* StaticMapIterator<Key, Value, Compare>::GetKeyPtr() const { + if (!IsValid()) { + BPLOG(ERROR) << "call GetKeyPtr() on invalid iterator"; + return NULL; + } + return &(keys_[index_]); +} + +template<typename Key, typename Value, typename Compare> +const char* StaticMapIterator<Key, Value, Compare>::GetValueRawPtr() const { + if (!IsValid()) { + BPLOG(ERROR) << "call GetValuePtr() on invalid iterator"; + return NULL; + } + return base_ + offsets_[index_]; +} + +template<typename Key, typename Value, typename Compare> +bool StaticMapIterator<Key, Value, Compare>::operator==( + const StaticMapIterator<Key, Value, Compare>& x) const { + return base_ == x.base_ && index_ == x.index_; +} + +template<typename Key, typename Value, typename Compare> +bool StaticMapIterator<Key, Value, Compare>::operator!=( + const StaticMapIterator<Key, Value, Compare>& x) const { + // Only need to compare base_ and index_. + // Other data members are auxiliary. + return base_ != x.base_ || index_ != x.index_; +} + +template<typename Key, typename Value, typename Compare> +bool StaticMapIterator<Key, Value, Compare>::IsValid() const { + if (!base_ || index_ < 0 || index_ > num_nodes_) + return false; + + return true; +} + +} // namespace google_breakpad + +#endif // PROCESSOR_STATIC_MAP_ITERATOR_INL_H__ |