Refactored ParsedResult classes into ResultParsers & ParsedResults, to allow multiple...

[zxing.git] / iphone / Classes / URLTOResultParser.m

diff --git a/iphone/Classes/URLTOResultParser.m b/iphone/Classes/URLTOResultParser.m
new file mode 100644 (file)
index 0000000..f02018c
--- /dev/null
+++ b/iphone/Classes/URLTOResultParser.m
@@ -0,0 +1,37 @@
+//
+//  URLTOResultParser.m
+//  ZXing
+//
+//  Created by Christian Brunschen on 25/06/2008.
+//  Copyright 2008 Google Inc. All rights reserved.
+//
+
+#import "URLTOResultParser.h"
+#import "URIParsedResult.h"
+
+#define PREFIX @"URLTO:"
+
+@implementation URLTOResultParser
+
++ (ParsedResult *)parsedResultForString:(NSString *)s {
+  NSRange prefixRange = [s rangeOfString:PREFIX options:NSCaseInsensitiveSearch];
+  if (prefixRange.location == 0) {
+    int max = [s length];
+    int titleStart = prefixRange.location + prefixRange.length;
+    NSRange searchRange = NSMakeRange(titleStart, max - titleStart);
+    NSRange colonRange = [s rangeOfString:@":" options:0 range:searchRange];
+    if (colonRange.location != NSNotFound) {
+      NSRange titleRange = NSMakeRange(titleStart,
+                                       colonRange.location - titleStart);
+      int linkStart = colonRange.location + colonRange.length;
+      NSRange linkRange = NSMakeRange(linkStart, max - linkStart);
+      return [[[URIParsedResult alloc] initWithURLString:[s substringWithRange:linkRange]
+                                                   title:[s substringWithRange:titleRange]]
+              autorelease];
+    }
+  }
+  return nil;
+}
+
+
+@end