#import "NJMapping.h"
#import "NJInput.h"
+#import "NJOutput.h"
@implementation NJMapping
return @{ @"name": _name, @"entries": entries };
}
+- (BOOL)writeToURL:(NSURL *)url error:(NSError **)error {
+ [NSProcessInfo.processInfo disableSuddenTermination];
+ NSDictionary *serialization = [self serialize];
+ NSData *json = [NSJSONSerialization dataWithJSONObject:serialization
+ options:NSJSONWritingPrettyPrinted
+ error:error];
+ BOOL success = json && [json writeToURL:url options:NSDataWritingAtomic error:error];
+ [NSProcessInfo.processInfo enableSuddenTermination];
+ return success;
+}
+
++ (id)mappingWithContentsOfURL:(NSURL *)url mappings:(NSArray *)mappings error:(NSError **)error {
+ NSInputStream *stream = [NSInputStream inputStreamWithURL:url];
+ [stream open];
+ NSDictionary *serialization = stream && !*error
+ ? [NSJSONSerialization JSONObjectWithStream:stream options:0 error:error]
+ : nil;
+ [stream close];
+
+ if (!serialization && error)
+ return nil;
+
+ if (!([serialization isKindOfClass:NSDictionary.class]
+ && [serialization[@"name"] isKindOfClass:NSString.class]
+ && [serialization[@"entries"] isKindOfClass:NSDictionary.class])) {
+ *error = [NSError errorWithDomain:@"Enjoyable"
+ code:0
+ description:@"This isn't a valid mapping file."];
+ return nil;
+ }
+
+ NSDictionary *entries = serialization[@"entries"];
+ NJMapping *mapping = [[NJMapping alloc] initWithName:serialization[@"name"]];
+ for (id key in entries) {
+ NSDictionary *value = entries[key];
+ if ([key isKindOfClass:NSString.class]) {
+ NJOutput *output = [NJOutput outputDeserialize:value
+ withMappings:mappings];
+ if (output)
+ mapping.entries[key] = output;
+ }
+ }
+ return mapping;
+}
+
@end