// // SVGAParser+AOESVGAMemory.m // AOESVGASimple // // Created by 夏宁忠 on 2018/3/9. // Copyright © 2018年 夏宁忠. All rights reserved. // #import "SVGAParser+AOESVGAMemory.h" #import @implementation SVGAParser (AOESVGAMemory) -(void)parseMemoryWithURL:(NSURL *)URL Version:(NSString * _Nullable)version completionBlock:(void (^ _Nonnull)(SVGAVideoEntity * _Nullable))completionBlock failureBlock:(void (^ _Nullable)(NSError * _Nullable))failureBlock{ NSFileManager * fileMgr = [NSFileManager defaultManager]; NSString *dir = [self memorySVGADir:URL]; NSString * svgaFilePath = [dir stringByAppendingString:[NSString stringWithFormat:@"/%@.svga",[self MD5StringExt:URL.absoluteString]]]; NSString * versionFilePath = [dir stringByAppendingString:@"/version.text"]; if ([fileMgr fileExistsAtPath:svgaFilePath]) { //存在 //检测版本文件是否存在，如果存在version文件 对比version if ([fileMgr fileExistsAtPath:versionFilePath]) { NSString * versionStr = [NSString stringWithContentsOfFile:versionFilePath encoding:NSUTF8StringEncoding error:nil]; if ([versionStr isEqualToString:version]) { //读取本地 NSURL * locationUrl = [NSURL fileURLWithPath:svgaFilePath]; [self parseWithURL:locationUrl completionBlock:^(SVGAVideoEntity * _Nullable videoItem) { if (completionBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ completionBlock(videoItem); }]; } } failureBlock:^(NSError * _Nullable error) { if (failureBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ failureBlock(error); }]; } }]; }else{ //版本不一致 //重新下载然后加载 //不存在version文件 重新下载svga，并创建version文件 写入版本号 [[[NSURLSession sharedSession] dataTaskWithURL:URL completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) { if (error == nil && data != nil) { [self parseWithURL:URL completionBlock:^(SVGAVideoEntity * _Nullable videoItem) { if (completionBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ completionBlock(videoItem); }]; } } failureBlock:^(NSError * _Nullable error) { if (failureBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ failureBlock(error); }]; } }]; dispatch_async(dispatch_get_global_queue(0, 0), ^{ //svga写入文件 BOOL svgaWrite = [data writeToFile:svgaFilePath atomically:YES]; if (svgaWrite == NO) { [fileMgr removeItemAtPath:svgaFilePath error:nil]; } //版本写入文件 NSString * svga_version = (version && ![version isEqualToString:@""]) ? version : @"0"; BOOL versionWrite = [svga_version writeToFile:versionFilePath atomically:YES encoding:NSUTF8StringEncoding error:nil]; if (versionWrite == NO) { [fileMgr removeItemAtPath:versionFilePath error:nil]; } }); }else { if (failureBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ failureBlock(error); }]; } } }] resume]; } }else{ //不存在version文件 重新下载svga，并创建version文件 写入版本号 [[[NSURLSession sharedSession] dataTaskWithURL:URL completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) { if (error == nil && data != nil) { [self parseWithURL:URL completionBlock:^(SVGAVideoEntity * _Nullable videoItem) { if (completionBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ completionBlock(videoItem); }]; } } failureBlock:^(NSError * _Nullable error) { if (failureBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ failureBlock(error); }]; } }]; dispatch_async(dispatch_get_global_queue(0, 0), ^{ //svga写入文件 BOOL svgaWrite = [data writeToFile:svgaFilePath atomically:YES]; if (svgaWrite == NO) { [fileMgr removeItemAtPath:svgaFilePath error:nil]; } //版本写入文件 NSString * svga_version = (version && ![version isEqualToString:@""]) ? version : @"0"; //检测是否存在Version文件,如果没有创建并写入 if (![fileMgr fileExistsAtPath:versionFilePath]) { [fileMgr createFileAtPath:versionFilePath contents:nil attributes:nil]; } BOOL versionWrite = [svga_version writeToFile:versionFilePath atomically:YES encoding:NSUTF8StringEncoding error:nil]; if (versionWrite == NO) { [fileMgr removeItemAtPath:versionFilePath error:nil]; } }); }else { if (failureBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ failureBlock(error); }]; } } }] resume]; } return; } //不存在svga 下载svga动画 //svga写入文件下载 写入 [[[NSURLSession sharedSession] dataTaskWithURL:URL completionHandler:^(NSData * _Nullable data, NSURLResponse * _Nullable response, NSError * _Nullable error) { if (error == nil && data != nil) { [self parseWithURL:URL completionBlock:^(SVGAVideoEntity * _Nullable videoItem) { if (completionBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ completionBlock(videoItem); }]; } } failureBlock:^(NSError * _Nullable error) { if (failureBlock) { failureBlock(error); } }]; dispatch_async(dispatch_get_global_queue(0, 0), ^{ //svga写入文件 [fileMgr createFileAtPath:svgaFilePath contents:data attributes:nil]; //版本写入文件 NSString * svga_version = (version && ![version isEqualToString:@""]) ? version : @"0"; //检测是否存在Version文件,如果没有创建并写入 if (![fileMgr fileExistsAtPath:versionFilePath]) { [fileMgr createFileAtPath:versionFilePath contents:nil attributes:nil]; } BOOL versionWrite = [svga_version writeToFile:versionFilePath atomically:YES encoding:NSUTF8StringEncoding error:nil]; if (versionWrite == NO) { [fileMgr removeItemAtPath:versionFilePath error:nil]; } }); }else { if (failureBlock) { [[NSOperationQueue mainQueue] addOperationWithBlock:^{ failureBlock(error); }]; } } }] resume]; } +(void)memoryAllSzie:(void (^)(NSUInteger))sucBlock{ //异步计算 dispatch_async(dispatch_get_global_queue(0, 0), ^{ NSString *memoryDirPath = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingString:[NSString stringWithFormat:@"/%@",AOESVGAMemoryDir]]; NSFileManager *fileManager = [NSFileManager defaultManager]; BOOL dir = NO; [fileManager fileExistsAtPath:memoryDirPath isDirectory:&dir]; NSUInteger totalByteSize = 0; if (dir) { //存在SVGA文件夹 计算存储 NSDirectoryEnumerator *enumerator = [fileManager enumeratorAtPath:memoryDirPath]; for (NSString *subpath in enumerator) { // 全路径 NSString *fullSubpath = [memoryDirPath stringByAppendingPathComponent:subpath]; // 累加文件大小 totalByteSize += [fileManager attributesOfItemAtPath:fullSubpath error:nil].fileSize; } } dispatch_async(dispatch_get_main_queue(), ^{ if (sucBlock) { sucBlock(totalByteSize); } }); }); } +(void)removeAllMemorySvgas:(void (^)(BOOL))sucBlock{ dispatch_async(dispatch_get_global_queue(0, 0), ^{ NSString *memoryDirPath = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingString:[NSString stringWithFormat:@"/%@",AOESVGAMemoryDir]]; NSFileManager *fileManager = [NSFileManager defaultManager]; BOOL dir = NO; [fileManager fileExistsAtPath:memoryDirPath isDirectory:&dir]; BOOL isSuccess = NO; if (dir) { //存在文件夹 isSuccess = [fileManager removeItemAtPath:memoryDirPath error:nil]; }else{ isSuccess = YES; } dispatch_async(dispatch_get_main_queue(), ^{ if (sucBlock) { sucBlock(isSuccess); } }); }); } #pragma mark - Private //文件夹SVGA 不存在创建 -(nullable NSString *)memorySVGADir:(NSURL *)url{ NSFileManager * fileMgr = [NSFileManager defaultManager]; NSString *memoryDir = [[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject] stringByAppendingString:[NSString stringWithFormat:@"/%@/%@",AOESVGAMemoryDir,[self MD5StringExt:url.absoluteString]]]; BOOL dir = NO; [fileMgr fileExistsAtPath:memoryDir isDirectory:&dir]; if (dir == NO) { //创建文件夹 [fileMgr createDirectoryAtPath:memoryDir withIntermediateDirectories:YES attributes:nil error:nil]; } return memoryDir; } - (NSString *)MD5StringExt:(NSString *)str { const char *cstr = [str UTF8String]; unsigned char result[16]; CC_MD5(cstr, (CC_LONG)strlen(cstr), result); return [NSString stringWithFormat: @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", result[0], result[1], result[2], result[3], result[4], result[5], result[6], result[7], result[8], result[9], result[10], result[11], result[12], result[13], result[14], result[15] ]; } @end