space-ios/iOSClient/Library/XLForm/XL/Helpers/NSExpression+XLFormAdditions.m

//
//  NSExpression+XLFormAdditions.m
//  XLForm ( https://github.com/xmartlabs/XLForm )
//
//  Copyright (c) 2015 Xmartlabs ( http://xmartlabs.com )
//
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.


#import "NSExpression+XLFormAdditions.h"

@implementation NSExpression (XLFormAdditions)


-(NSMutableArray*) getExpressionVars{
    switch (self.expressionType) {
        case NSFunctionExpressionType:{
            NSString* str = [NSString stringWithFormat:@"%@", self];
            if ([str rangeOfString:@"."].location != NSNotFound)
                str = [str substringWithRange:NSMakeRange(1, [str rangeOfString:@"."].location - 1)];
            else
                str = [str substringFromIndex:1];
            return [[NSMutableArray alloc] initWithObjects: str, nil];
            break;
        }
        default:
            return nil;
            break;
    }
}


@end