//
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// LHObjectInfo.m
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// LHDBDemo
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//
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// Created by 3wchina01 on 16/3/21.
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// Copyright © 2016年 李浩. All rights reserved.
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//
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#import "LHObjectInfo.h"
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#import <objc/runtime.h>
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#import <UIKit/UIKit.h>
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@implementation LHObjectInfo
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static LHBaseTypeEcoding baseTypeEcoding(char type)
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{
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switch (type) {
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case 'Q':
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return LHBaseTypeEcodingULONG;
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case 'i':
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return LHBaseTypeEcodingINT;
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case 'q':
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return LHBaseTypeEcodingLONG;
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case 'f':
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return LHBaseTypeEcodingFLOAT;
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case 'd':
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return LHBaseTypeEcodingDOUBLE;
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case 'B':
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return LHBaseTypeEcodingBOOL;
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case 'b':
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return LHBaseTypeEcodingBOOL;
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case 'c':
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return LHBaseTypeEcodingCHAR;
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default:
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return LHBaseTypeEcodingUnknow;
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}
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}
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static LHNSTypeEcoding nsTypeEcoding(NSString* type)
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{
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if ([type isEqualToString:@"NSString"]) {
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return LHNSTypeNSString;
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}
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if ([type isEqualToString:@"NSNumber"]) {
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return LHNSTypeNSNumber;
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}
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if ([type isEqualToString:@"NSDate"]) {
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return LHNSTypeNSDate;
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}
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if ([type isEqualToString:@"NSData"]) {
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return LHNSTypeNSData;
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}
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if ([type isEqualToString:@"NSURL"]) {
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return LHNSTypeNSURL;
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}
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if ([type isEqualToString:@"NSArray"]) {
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return LHNSTypeNSArray;
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}
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if ([type isEqualToString:@"NSDictionary"]) {
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return LHNSTypeNSDictionary;
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}
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if ([type isEqualToString:@"UIImage"]) {
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return LHNSTypeUIImage;
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}
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return LHNSTypeUNknow;
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}
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- (instancetype)initWithProperty:(objc_property_t)property
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{
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if (property == nil) return nil;
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self = [super init];
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if (self) {
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_property_t = property;
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_name = [NSString stringWithUTF8String:property_getName(property)];
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unsigned int count;
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objc_property_attribute_t* t = property_copyAttributeList(property, &count);
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for (unsigned int i=0; i<count; i++) {
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objc_property_attribute_t p = t[i];
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size_t len = strlen(p.value);
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if (len > 3) {
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char name[len - 2];
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name[len - 3] = '\0';
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memcpy(name, p.value + 2, len - 3);
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_cls = objc_getClass(name);
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_type = [NSString stringWithUTF8String:name];
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_nsTypeEcoding = nsTypeEcoding(_type);
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break;
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}else {
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_type = [NSString stringWithUTF8String:p.value];
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if (_type.length>1) {
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_type = [_type substringToIndex:1];
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}
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if (_type.length>0) {
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_baseTypeEcoding = baseTypeEcoding([_type characterAtIndex:0]);
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}
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break;
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}
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}
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free(t);
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if (_name.length>0) {
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_set = NSSelectorFromString([NSString stringWithFormat:@"set%@%@:",[[_name substringToIndex:1] uppercaseString],[_name substringFromIndex:1]]);
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_get = NSSelectorFromString(_name);
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}
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}
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return self;
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}
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@end
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static NSMutableDictionary* objectInfoCacheDic;
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@implementation LHClassInfo
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- (instancetype)initWithClass:(Class)cls
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{
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self = [super init];
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if (self) {
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_cls = cls;
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static dispatch_once_t onceToken;
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dispatch_once(&onceToken, ^{
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objectInfoCacheDic = [NSMutableDictionary dictionary];
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});
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_objectInfoDic = [NSMutableDictionary dictionary];
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unsigned int count;
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objc_property_t* t = class_copyPropertyList(cls, &count);
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for (int i=0; i<count; i++) {
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LHObjectInfo* info = [[LHObjectInfo alloc] initWithProperty:t[i]];
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[_objectInfoDic setValue:info forKey:[NSString stringWithUTF8String:property_getName(t[i])]];
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}
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free(t);
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[objectInfoCacheDic setValue:self forKey:NSStringFromClass(cls)];
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}
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return self;
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}
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+ (BOOL)isCacheWithClass:(Class)cls
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{
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if ([objectInfoCacheDic objectForKey:NSStringFromClass(cls)]) {
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return YES;
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}
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return NO;
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}
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+ (LHClassInfo*)classInfoWithClass:(Class)cls
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{
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return objectInfoCacheDic[NSStringFromClass(cls)];
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}
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- (LHObjectInfo*)objectInfoWithName:(NSString*)name
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{
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return _objectInfoDic[name];
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}
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- (void)receiveMemoryWarning:(NSNotification*)noti
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{
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[objectInfoCacheDic removeAllObjects];
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}
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@end
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