Swiftgram/Source/Details/ASObjectDescriptionHelpers.m
Adlai Holler 8ec4b312cf Overhaul our logging, add activity tracing support. (#399)
* Improve the os_log and os_activity integration

* Address feedback from Scott and Huy
2017-07-03 19:03:26 -07:00

110 lines
3.9 KiB
Objective-C

//
// ASObjectDescriptionHelpers.m
// Texture
//
// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the /ASDK-Licenses directory of this source tree. An additional
// grant of patent rights can be found in the PATENTS file in the same directory.
//
// Modifications to this file made after 4/13/2017 are: Copyright (c) 2017-present,
// Pinterest, Inc. Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
#import <AsyncDisplayKit/ASObjectDescriptionHelpers.h>
#import <UIKit/UIGeometry.h>
#import <AsyncDisplayKit/NSIndexSet+ASHelpers.h>
NSString *ASGetDescriptionValueString(id object)
{
if ([object isKindOfClass:[NSValue class]]) {
// Use shortened NSValue descriptions
NSValue *value = object;
const char *type = value.objCType;
if (strcmp(type, @encode(CGRect)) == 0) {
CGRect rect = [value CGRectValue];
return [NSString stringWithFormat:@"(%g %g; %g %g)", rect.origin.x, rect.origin.y, rect.size.width, rect.size.height];
} else if (strcmp(type, @encode(CGSize)) == 0) {
return NSStringFromCGSize(value.CGSizeValue);
} else if (strcmp(type, @encode(CGPoint)) == 0) {
return NSStringFromCGPoint(value.CGPointValue);
}
} else if ([object isKindOfClass:[NSIndexSet class]]) {
return [object as_smallDescription];
} else if ([object isKindOfClass:[NSIndexPath class]]) {
// index paths like (0, 7)
NSIndexPath *indexPath = object;
NSMutableArray *strings = [NSMutableArray array];
for (NSUInteger i = 0; i < indexPath.length; i++) {
[strings addObject:[NSString stringWithFormat:@"%lu", (unsigned long)[indexPath indexAtPosition:i]]];
}
return [NSString stringWithFormat:@"(%@)", [strings componentsJoinedByString:@", "]];
} else if ([object respondsToSelector:@selector(componentsJoinedByString:)]) {
// e.g. "[ <MYObject: 0x00000000> <MYObject: 0xFFFFFFFF> ]"
return [NSString stringWithFormat:@"[ %@ ]", [object componentsJoinedByString:@" "]];
}
return [object description];
}
NSString *_ASObjectDescriptionMakePropertyList(NSArray<NSDictionary *> * _Nullable propertyGroups)
{
NSMutableArray *components = [NSMutableArray array];
for (NSDictionary *properties in propertyGroups) {
[properties enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
NSString *str;
if (key == (id)kCFNull) {
str = ASGetDescriptionValueString(obj);
} else {
str = [NSString stringWithFormat:@"%@ = %@", key, ASGetDescriptionValueString(obj)];
}
[components addObject:str];
}];
}
return [components componentsJoinedByString:@"; "];
}
NSString *ASObjectDescriptionMakeWithoutObject(NSArray<NSDictionary *> * _Nullable propertyGroups)
{
return [NSString stringWithFormat:@"{ %@ }", _ASObjectDescriptionMakePropertyList(propertyGroups)];
}
NSString *ASObjectDescriptionMake(__autoreleasing id object, NSArray<NSDictionary *> *propertyGroups)
{
if (object == nil) {
return @"(null)";
}
NSMutableString *str = [NSMutableString stringWithFormat:@"<%s: %p", object_getClassName(object), object];
NSString *propList = _ASObjectDescriptionMakePropertyList(propertyGroups);
if (propList.length > 0) {
[str appendFormat:@"; %@", propList];
}
[str appendString:@">"];
return str;
}
NSString *ASObjectDescriptionMakeTiny(__autoreleasing id object) {
return ASObjectDescriptionMake(object, nil);
}
NSString *ASStringWithQuotesIfMultiword(NSString *string) {
if (string == nil) {
return nil;
}
if ([string rangeOfCharacterFromSet:[NSCharacterSet whitespaceCharacterSet]].location != NSNotFound) {
return [NSString stringWithFormat:@"\"%@\"", string];
} else {
return string;
}
}