added files via upload

Tweaks/FLEX/Editing/ArgumentInputViews/FLEXArgumentInputNumberView.m

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+//
+//  FLEXArgumentInputNumberView.m
+//  Flipboard
+//
+//  Created by Ryan Olson on 6/15/14.
+//  Copyright (c) 2020 FLEX Team. All rights reserved.
+//
+
+#import "FLEXArgumentInputNumberView.h"
+#import "FLEXRuntimeUtility.h"
+
+@implementation FLEXArgumentInputNumberView
+
+- (instancetype)initWithArgumentTypeEncoding:(const char *)typeEncoding {
+    self = [super initWithArgumentTypeEncoding:typeEncoding];
+    if (self) {
+        self.inputTextView.keyboardType = UIKeyboardTypeNumbersAndPunctuation;
+        self.targetSize = FLEXArgumentInputViewSizeSmall;
+    }
+    
+    return self;
+}
+
+- (void)setInputValue:(id)inputValue {
+    if ([inputValue respondsToSelector:@selector(stringValue)]) {
+        self.inputTextView.text = [inputValue stringValue];
+    }
+}
+
+- (id)inputValue {
+    return [FLEXRuntimeUtility valueForNumberWithObjCType:self.typeEncoding.UTF8String fromInputString:self.inputTextView.text];
+}
+
++ (BOOL)supportsObjCType:(const char *)type withCurrentValue:(id)value {
+    NSParameterAssert(type);
+    
+    static NSArray<NSString *> *supportedTypes = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        supportedTypes = @[
+            @FLEXEncodeClass(NSNumber),
+            @FLEXEncodeClass(NSDecimalNumber),
+            @(@encode(char)),
+            @(@encode(int)),
+            @(@encode(short)),
+            @(@encode(long)),
+            @(@encode(long long)),
+            @(@encode(unsigned char)),
+            @(@encode(unsigned int)),
+            @(@encode(unsigned short)),
+            @(@encode(unsigned long)),
+            @(@encode(unsigned long long)),
+            @(@encode(float)),
+            @(@encode(double)),
+            @(@encode(long double))
+        ];
+    });
+    
+    return type && [supportedTypes containsObject:@(type)];
+}
+
+@end