/*
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* file_handle.h - File handle
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*
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* Copyright (c) 2016-2017 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Author: Yinhang Liu <yinhangx.liu@intel.com>
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* Author: Wind Yuan <feng.yuan@intel.com>
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*/
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#ifndef XCAM_FILE_HANDLE_H
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#define XCAM_FILE_HANDLE_H
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#include <xcam_std.h>
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namespace XCam {
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class FileHandle {
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public:
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FileHandle ();
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explicit FileHandle (const char *name, const char *option);
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virtual ~FileHandle ();
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bool is_valid () const {
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return (_fp ? true : false);
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}
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bool end_of_file ();
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XCamReturn open (const char *name, const char *option);
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XCamReturn close ();
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XCamReturn rewind ();
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XCamReturn get_file_size (size_t &size);
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const char* get_file_name () const {
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return _file_name;
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}
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XCamReturn read_file (void *buf, const size_t &size);
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XCamReturn write_file (const void *buf, const size_t &size);
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private:
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XCAM_DEAD_COPY (FileHandle);
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protected:
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FILE *_fp;
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private:
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char *_file_name;
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size_t _file_size;
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};
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}
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#endif //XCAM_FILE_HANDLE_H
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