added files via upload

Tweaks/FLEX/GlobalStateExplorers/RuntimeBrowser/FLEXSearchToken.m

@@ -0,0 +1,88 @@
+//
+//  FLEXSearchToken.m
+//  FLEX
+//
+//  Created by Tanner on 3/22/17.
+//  Copyright © 2017 Tanner Bennett. All rights reserved.
+//
+
+#import "FLEXSearchToken.h"
+
+@interface FLEXSearchToken () {
+    NSString *flex_description;
+}
+@end
+
+@implementation FLEXSearchToken
+
++ (instancetype)any {
+    static FLEXSearchToken *any = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        any = [self string:nil options:TBWildcardOptionsAny];
+    });
+
+    return any;
+}
+
++ (instancetype)string:(NSString *)string options:(TBWildcardOptions)options {
+    FLEXSearchToken *token  = [self new];
+    token->_string  = string;
+    token->_options = options;
+    return token;
+}
+
+- (BOOL)isAbsolute {
+    return _options == TBWildcardOptionsNone;
+}
+
+- (BOOL)isAny {
+    return _options == TBWildcardOptionsAny;
+}
+
+- (BOOL)isEmpty {
+    return self.isAny && self.string.length == 0;
+}
+
+- (NSString *)description {
+    if (flex_description) {
+        return flex_description;
+    }
+
+    switch (_options) {
+        case TBWildcardOptionsNone:
+            flex_description = _string;
+            break;
+        case TBWildcardOptionsAny:
+            flex_description = @"*";
+            break;
+        default: {
+            NSMutableString *desc = [NSMutableString new];
+            if (_options & TBWildcardOptionsPrefix) {
+                [desc appendString:@"*"];
+            }
+            [desc appendString:_string];
+            if (_options & TBWildcardOptionsSuffix) {
+                [desc appendString:@"*"];
+            }
+            flex_description = desc;
+        }
+    }
+
+    return flex_description;
+}
+
+- (NSUInteger)hash {
+    return self.description.hash;
+}
+
+- (BOOL)isEqual:(id)object {
+    if ([object isKindOfClass:[FLEXSearchToken class]]) {
+        FLEXSearchToken *token = object;
+        return [_string isEqualToString:token->_string] && _options == token->_options;
+    }
+
+    return NO;
+}
+
+@end