Remove unused aiDecodeBase64

Author: wellle

AdjustIo/AIAdditions/NSString+AIAdditions.h

@@ -15,6 +15,5 @@
 - (NSString *)aiSha1;
 - (NSString *)aiUrlEncode;
 - (NSString *)aiRemoveColons;
-- (NSData *)aiDecodeBase64;
 
 @end

AdjustIo/AIAdditions/NSString+AIAdditions.m

@@ -54,98 +54,4 @@ - (NSString *)aiRemoveColons {
     return [self stringByReplacingOccurrencesOfString:@":" withString:@""];
 }
 
-static const short _base64DecodingTable[256] = {
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -1, -1, -2, -1, -1, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -1, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, 62, -2, -2, -2, 63,
-    52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -2, -2, -2, -2, -2, -2,
-    -2,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
-    15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -2, -2, -2, -2, -2,
-    -2, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
-    41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2,
-    -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2, -2
-};
-
-// http://stackoverflow.com/a/4727124
-- (NSData *)aiDecodeBase64 {
-    const char *objPointer = [self cStringUsingEncoding:NSASCIIStringEncoding];
-    size_t intLength = strlen(objPointer);
-    int intCurrent;
-    int i = 0, j = 0, k;
-
-    unsigned char *objResult = calloc(intLength, sizeof(unsigned char));
-
-    // Run through the whole string, converting as we go
-    while ( ((intCurrent = *objPointer++) != '\0') && (intLength-- > 0) ) {
-        if (intCurrent == '=') {
-            if (*objPointer != '=' && ((i % 4) == 1)) {// || (intLength > 0)) {
-                // the padding character is invalid at this point -- so this entire string is invalid
-                free(objResult);
-                return nil;
-            }
-            continue;
-        }
-
-        intCurrent = _base64DecodingTable[intCurrent];
-        if (intCurrent == -1) {
-            // we're at a whitespace -- simply skip over
-            continue;
-        } else if (intCurrent == -2) {
-            // we're at an invalid character
-            free(objResult);
-            return nil;
-        }
-
-        switch (i % 4) {
-            case 0:
-                objResult[j] = intCurrent << 2;
-                break;
-
-            case 1:
-                objResult[j++] |= intCurrent >> 4;
-                objResult[j] = (intCurrent & 0x0f) << 4;
-                break;
-
-            case 2:
-                objResult[j++] |= intCurrent >>2;
-                objResult[j] = (intCurrent & 0x03) << 6;
-                break;
-
-            case 3:
-                objResult[j++] |= intCurrent;
-                break;
-        }
-        i++;
-    }
-
-    // mop things up if we ended on a boundary
-    k = j;
-    if (intCurrent == '=') {
-        switch (i % 4) {
-            case 1:
-                // Invalid state
-                free(objResult);
-                return nil;
-
-            case 2:
-                k++;
-                // flow through
-            case 3:
-                objResult[k] = 0;
-        }
-    }
-
-    // Cleanup and setup the return NSData
-    NSData * objData = [[NSData alloc] initWithBytes:objResult length:j];
-    free(objResult);
-    return objData;
-}
-
 @end