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+// 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-inl.h: StaticMap implementation.
+//
+// See static_map.h for documentation.
+//
+// Author: Siyang Xie (lambxsy@google.com)
+
+
+#ifndef PROCESSOR_STATIC_MAP_INL_H__
+#define PROCESSOR_STATIC_MAP_INL_H__
+
+#include "processor/static_map.h"
+#include "processor/static_map_iterator-inl.h"
+#include "processor/logging.h"
+
+namespace google_breakpad {
+
+template<typename Key, typename Value, typename Compare>
+StaticMap<Key, Value, Compare>::StaticMap(const char* raw_data)
+    : raw_data_(raw_data),
+      compare_() {
+  // First 4 Bytes store the number of nodes.
+  num_nodes_ = *(reinterpret_cast<const uint32_t*>(raw_data_));
+
+  offsets_ = reinterpret_cast<const uint32_t*>(
+      raw_data_ + sizeof(num_nodes_));
+
+  keys_ = reinterpret_cast<const Key*>(
+      raw_data_ + (1 + num_nodes_) * sizeof(uint32_t));
+}
+
+// find(), lower_bound() and upper_bound() implement binary search algorithm.
+template<typename Key, typename Value, typename Compare>
+StaticMapIterator<Key, Value, Compare>
+StaticMap<Key, Value, Compare>::find(const Key &key) const {
+  int begin = 0;
+  int end = num_nodes_;
+  int middle;
+  int compare_result;
+  while (begin < end) {
+    middle = begin + (end - begin) / 2;
+    compare_result = compare_(key, GetKeyAtIndex(middle));
+    if (compare_result == 0)
+      return IteratorAtIndex(middle);
+    if (compare_result < 0) {
+      end = middle;
+    } else {
+      begin = middle + 1;
+    }
+  }
+  return this->end();
+}
+
+template<typename Key, typename Value, typename Compare>
+StaticMapIterator<Key, Value, Compare>
+StaticMap<Key, Value, Compare>::lower_bound(const Key &key) const {
+  int begin = 0;
+  int end = num_nodes_;
+  int middle;
+  int comp_result;
+  while (begin < end) {
+    middle = begin + (end - begin) / 2;
+    comp_result = compare_(key, GetKeyAtIndex(middle));
+    if (comp_result == 0)
+      return IteratorAtIndex(middle);
+    if (comp_result < 0) {
+      end = middle;
+    } else {
+      begin = middle + 1;
+    }
+  }
+  return IteratorAtIndex(begin);
+}
+
+template<typename Key, typename Value, typename Compare>
+StaticMapIterator<Key, Value, Compare>
+StaticMap<Key, Value, Compare>::upper_bound(const Key &key) const {
+  int begin = 0;
+  int end = num_nodes_;
+  int middle;
+  int compare_result;
+  while (begin < end) {
+    middle = begin + (end - begin) / 2;
+    compare_result = compare_(key, GetKeyAtIndex(middle));
+    if (compare_result == 0)
+      return IteratorAtIndex(middle + 1);
+    if (compare_result < 0) {
+      end = middle;
+    } else {
+      begin = middle + 1;
+    }
+  }
+  return IteratorAtIndex(begin);
+}
+
+template<typename Key, typename Value, typename Compare>
+bool StaticMap<Key, Value, Compare>::ValidateInMemoryStructure() const {
+  // check the number of nodes is non-negative:
+  if (!raw_data_) return false;
+  int32_t num_nodes = *(reinterpret_cast<const int32_t*>(raw_data_));
+  if (num_nodes < 0) {
+    BPLOG(INFO) << "StaticMap check failed: negative number of nodes";
+    return false;
+  }
+
+  int node_index = 0;
+  if (num_nodes_) {
+    uint64_t first_offset = sizeof(int32_t) * (num_nodes_ + 1)
+                           + sizeof(Key) * num_nodes_;
+    // Num_nodes_ is too large.
+    if (first_offset > 0xffffffffUL) {
+      BPLOG(INFO) << "StaticMap check failed: size exceeds limit";
+      return false;
+    }
+    if (offsets_[node_index] != static_cast<uint32_t>(first_offset)) {
+      BPLOG(INFO) << "StaticMap check failed: first node offset is incorrect";
+      return false;
+    }
+  }
+
+  for (node_index = 1; node_index < num_nodes_; ++node_index) {
+    // Check offsets[i] is strictly increasing:
+    if (offsets_[node_index] <= offsets_[node_index - 1]) {
+      BPLOG(INFO) << "StaticMap check failed: node offsets non-increasing";
+      return false;
+    }
+    // Check Key[i] is strictly increasing as no duplicate keys are allowed.
+    if (compare_(GetKeyAtIndex(node_index),
+                 GetKeyAtIndex(node_index - 1)) <= 0) {
+      BPLOG(INFO) << "StaticMap check failed: node keys non-increasing";
+      return false;
+    }
+  }
+  return true;
+}
+
+template<typename Key, typename Value, typename Compare>
+const Key StaticMap<Key, Value, Compare>::GetKeyAtIndex(int index) const {
+  if (index < 0 || index >= num_nodes_) {
+    BPLOG(ERROR) << "Key index out of range error";
+    // Key type is required to be primitive type.  Return 0 if index is invalid.
+    return 0;
+  }
+  return keys_[index];
+}
+
+}  // namespace google_breakpad
+
+#endif  // PROCESSOR_STATIC_MAP_INL_H__