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// static_address_map-inl.h: StaticAddressMap implementation.
//
// See static_address_map.h for documentation.
//
// Author: Siyang Xie (lambxsy@google.com)

#ifndef PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
#define PROCESSOR_STATIC_ADDRESS_MAP_INL_H__

#include "processor/static_address_map.h"

#include "processor/logging.h"

namespace google_breakpad {

template<typename AddressType, typename EntryType>
bool StaticAddressMap<AddressType, EntryType>::Retrieve(
    const AddressType &address,
    const EntryType *&entry, AddressType *entry_address) const {

  // upper_bound gives the first element whose key is greater than address,
  // but we want the first element whose key is less than or equal to address.
  // Decrement the iterator to get there, but not if the upper_bound already
  // points to the beginning of the map - in that case, address is lower than
  // the lowest stored key, so return false.

  MapConstIterator iterator = map_.upper_bound(address);
  if (iterator == map_.begin())
    return false;
  --iterator;

  entry = iterator.GetValuePtr();
  // Make sure AddressType is a copyable basic type
  if (entry_address)
    *entry_address = iterator.GetKey();

  return true;
}

}  // namespace google_breakpad

#endif  // PROCESSOR_STATIC_ADDRESS_MAP_INL_H__
