// Copyright 2010-2012, 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.
#include "dictionary/file/dictionary_file.h"
#include <string>
#include <vector>
#include "base/base.h"
#include "base/mmap.h"
#include "dictionary/file/codec_interface.h"
namespace mozc {
DictionaryFile::DictionaryFile() {}
DictionaryFile::~DictionaryFile() {}
bool DictionaryFile::OpenFromFile(const string &file) {
mapping_.reset(new Mmap<char>());
mapping_->Open(file.c_str());
const char *ptr = mapping_->begin();
const int len = mapping_->GetFileSize();
CHECK(ptr != NULL);
const bool result = OpenFromImage(ptr, len);
return result;
}
bool DictionaryFile::OpenFromImage(const char *image, int length) {
sections_.clear();
const bool result =
DictionaryFileCodecFactory::GetCodec()->ReadSections(
image, length, §ions_);
return result;
}
const char *DictionaryFile::GetSection(const string §ion_name,
int *len) const {
DCHECK(len);
const string name =
DictionaryFileCodecFactory::GetCodec()->GetSectionName(section_name);
for (size_t i = 0; i < sections_.size(); ++i) {
if (sections_[i].name == name) {
*len = sections_[i].len;
return sections_[i].ptr;
}
}
return NULL;
}
} // namespace