49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
/*
|
|
* Copyright (C) 2009 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef PINYINIME_INCLUDE_UTF16READER_H__
|
|
#define PINYINIME_INCLUDE_UTF16READER_H__
|
|
|
|
#include <stdio.h>
|
|
#include "./utf16char.h"
|
|
|
|
namespace ime_pinyin {
|
|
|
|
class Utf16Reader {
|
|
private:
|
|
FILE *fp_;
|
|
char16 *buffer_;
|
|
size_t buffer_total_len_;
|
|
size_t buffer_next_pos_;
|
|
|
|
// Always less than buffer_total_len_ - buffer_next_pos_
|
|
size_t buffer_valid_len_;
|
|
|
|
public:
|
|
Utf16Reader();
|
|
~Utf16Reader();
|
|
|
|
// filename is the name of the file to open.
|
|
// buffer_len specifies how long buffer should be allocated to speed up the
|
|
// future reading
|
|
bool open(const char* filename, size_t buffer_len);
|
|
char16* readline(char16* read_buf, size_t max_len);
|
|
bool close();
|
|
};
|
|
}
|
|
|
|
#endif // PINYINIME_INCLUDE_UTF16READER_H__
|