iOS bsdiff

ios/RCTHotUpdate/RCTHotUpdateManager.m

@@ -0,0 +1,126 @@
+//
+//  RCTHotUpdateManager.m
+//  RCTHotUpdate
+//
+//  Created by lvbingru on 16/4/1.
+//  Copyright © 2016年 erica. All rights reserved.
+//
+
+#import "RCTHotUpdateManager.h"
+#import "ZipArchive.h"
+#import "BSDiff.h"
+
+@implementation RCTHotUpdateManager {
+    dispatch_queue_t _opQueue;
+}
+
+- (instancetype)init
+{
+    self = [super init];
+    if (self) {
+        _opQueue = dispatch_queue_create("cn.reactnative.hotupdate", DISPATCH_QUEUE_SERIAL);
+    }
+    return self;
+}
+
+- (BOOL)createDir:(NSString *)dir
+{
+    __block BOOL success = false;
+    
+    dispatch_sync(_opQueue, ^{
+        BOOL isDir;
+        NSFileManager *fileManager = [NSFileManager defaultManager];
+        if ([fileManager fileExistsAtPath:dir isDirectory:&isDir]) {
+            if (isDir) {
+                success = true;
+                return;
+            }
+        }
+        
+        NSError *error;
+        [fileManager createDirectoryAtPath:dir
+               withIntermediateDirectories:YES
+                                attributes:nil
+                                     error:&error];
+        if (!error) {
+            success = true;
+            return;
+        }
+    });
+    
+    return success;
+}
+
+- (void)unzipFileAtPath:(NSString *)path
+          toDestination:(NSString *)destination
+        progressHandler:(void (^)(NSString *entry, long entryNumber, long total))progressHandler
+      completionHandler:(void (^)(NSString *path, BOOL succeeded, NSError *error))completionHandler
+{
+    dispatch_async(_opQueue, ^{
+        [SSZipArchive unzipFileAtPath:path toDestination:destination progressHandler:^(NSString *entry, unz_file_info zipInfo, long entryNumber, long total) {
+            progressHandler(entry, entryNumber, total);
+        } completionHandler:^(NSString *path, BOOL succeeded, NSError *error) {
+            // 解压完，移除zip文件
+            [[NSFileManager defaultManager] removeItemAtPath:path error:nil];
+            if (completionHandler) {
+                completionHandler(path, succeeded, error);
+            }
+        }];
+    });
+}
+
+- (void)bsdiffFileAtPath:(NSString *)path
+              fromOrigin:(NSString *)origin
+          toDestination:(NSString *)destination
+      completionHandler:(void (^)(BOOL success))completionHandler
+{
+    dispatch_async(_opQueue, ^{
+        BOOL success = [BSDiff bsdiffPatch:path origin:origin toDestination:destination];
+        if (completionHandler) {
+            completionHandler(success);
+        }
+    });
+}
+
+- (void)copyFiles:(NSDictionary *)filesDic
+          fromDir:(NSString *)fromDir
+            toDir:(NSString *)toDir
+completionHandler:(void (^)(NSError *error))completionHandler
+{
+    dispatch_async(_opQueue, ^{
+        for (NSString *to in filesDic.allKeys) {
+            NSString *from = filesDic[to];
+            if (from.length <=0) {
+                from = to;
+            }
+            NSString *fromPath = [fromDir stringByAppendingPathComponent:from];
+            NSString *toPath = [toDir stringByAppendingPathComponent:to];
+            
+            NSError *error = nil;
+            [[NSFileManager defaultManager] moveItemAtPath:fromPath toPath:toPath error:&error];
+            if (error) {
+                if (completionHandler) {
+                    completionHandler(error);
+                }
+                return;
+            }
+        }
+        if (completionHandler) {
+            completionHandler(nil);
+        }
+    });
+}
+
+- (void)removeFile:(NSString *)filePath
+ completionHandler:(void (^)(NSError *error))completionHandler
+{
+    dispatch_async(_opQueue, ^{
+        NSError *error = nil;
+        [[NSFileManager defaultManager] removeItemAtPath:filePath error:&error];
+        if (completionHandler) {
+            completionHandler(error);
+        }
+    });
+}
+
+@end