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