66 lines
1001 B
Objective-C
Executable File
66 lines
1001 B
Objective-C
Executable File
//
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// QNFileDelegate.h
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// QiniuSDK
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//
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// Created by bailong on 15/7/25.
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// Copyright (c) 2015年 Qiniu. All rights reserved.
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//
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#import <Foundation/Foundation.h>
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/**
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* 文件处理接口，支持ALAsset, NSFileHandle, NSData
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*/
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@protocol QNFileDelegate <NSObject>
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/**
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* 从指定偏移读取数据
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*
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* @param offset 偏移地址
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* @param size 大小
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* @param error 错误信息
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*
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* @return 数据
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*/
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- (NSData *)read:(long long)offset
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size:(long)size
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error:(NSError **)error;
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/**
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* 读取所有文件内容
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* @param error 错误信息
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* @return 数据
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*/
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- (NSData *)readAllWithError:(NSError **)error;
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/**
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* 关闭文件
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*/
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- (void)close;
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/**
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* 文件路径
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*
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* @return 文件路径
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*/
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- (NSString *)path;
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/**
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* 文件修改时间
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*
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* @return 修改时间
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*/
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- (int64_t)modifyTime;
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/**
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* 文件大小
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*
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* @return 文件大小
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*/
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- (int64_t)size;
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@optional
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- (NSString *)fileType;
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@end
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