From 150f0a288c49541f1888939596a22e2b07af73cb Mon Sep 17 00:00:00 2001
From: Kyle Simpson <getify@gmail.com>
Date: Wed, 15 Dec 2021 10:50:53 -0600
Subject: [PATCH 1/2] fixing performance bug (see #64) in Objective-C
 implementation

---
 NSString+minifyJSONString.m | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/NSString+minifyJSONString.m b/NSString+minifyJSONString.m
index 8d99db5..0caddbe 100644
--- a/NSString+minifyJSONString.m
+++ b/NSString+minifyJSONString.m
@@ -5,6 +5,8 @@
 //  Created by Bödecs Tibor on 7/19/13.
 //  Copyright (c) 2013 Bödecs Tibor. All rights reserved.
 //
+//  Patched by Kyle Simpson, 2021
+//
 
 #import "NSString+minifyJSONString.h"
 
@@ -20,6 +22,7 @@ - (NSString *)minifyJSONString
     NSString *tmp2;
     NSMutableArray *new_str = [@[] mutableCopy];
     int from = 0;
+    int prevFrom = 0;
     NSString *lc;
     NSString *rc;
     int lastIndex = 0;
@@ -53,12 +56,13 @@ - (NSString *)minifyJSONString
             }
             [new_str addObject:tmp2];
         }
+        prevFrom = from;
         from = lastIndex;
         
         if ( [tmp hasPrefix:@"\""] && !in_multiline_comment && !in_singleline_comment) {
             NSArray *_matches = [magic matchesInString:lc
                                                options:0
-                                                 range:NSMakeRange(0, lc.length)];
+                                                 range:NSMakeRange(prevFrom, lc.length)];
             
             if (_matches.count > 0 ) {
                 NSTextCheckingResult *_match = _matches[0];

From de5178778d89320fd3c0d3ce450d139138b02f0e Mon Sep 17 00:00:00 2001
From: Kyle Simpson <getify@gmail.com>
Date: Tue, 21 Dec 2021 17:58:32 -0800
Subject: [PATCH 2/2] per #64, more performance tweaks

---
 NSString+minifyJSONString.m | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/NSString+minifyJSONString.m b/NSString+minifyJSONString.m
index 0caddbe..f0816c9 100644
--- a/NSString+minifyJSONString.m
+++ b/NSString+minifyJSONString.m
@@ -30,7 +30,7 @@ - (NSString *)minifyJSONString
     NSRegularExpression *tokenizer = [NSRegularExpression regularExpressionWithPattern:@"\"|(\\/\\*)|(\\*\\/)|(\\/\\/)|\n|\r"
                                                                                options:NSRegularExpressionCaseInsensitive
                                                                                  error:nil];
-    NSRegularExpression *magic = [NSRegularExpression regularExpressionWithPattern:@"(\\\\)*$"
+    NSRegularExpression *magic = [NSRegularExpression regularExpressionWithPattern:@"(\\\\)+$"
                                                                            options:NSRegularExpressionCaseInsensitive
                                                                              error:nil];