Author: rmottola
Date: Sun Jun 14 18:17:17 2015
New Revision: 38634
URL: http://svn.gna.org/viewcvs/gnustep?rev=38634&view=rev
Log:
base64EncodedDataWithOptions, base64EncodedStringWithOptions: first
implementation
Modified:
libs/base/trunk/ChangeLog
libs/base/trunk/Headers/Foundation/NSData.h
libs/base/trunk/Source/NSData.m
Modified: libs/base/trunk/ChangeLog
URL:
http://svn.gna.org/viewcvs/gnustep/libs/base/trunk/ChangeLog?rev=38634&r1=38633&r2=38634&view=diff
==============================================================================
--- libs/base/trunk/ChangeLog (original)
+++ libs/base/trunk/ChangeLog Sun Jun 14 18:17:17 2015
@@ -1,3 +1,9 @@
+2015-06-14 Riccardo Mottola <[email protected]>
+
+ * Headers/Foundation/NSData.h
+ * Source/NSData.m
+ base64EncodedDataWithOptions, base64EncodedStringWithOptions: first
implementation
+
2015-06-08 Richard Frith-Macdonald <[email protected]>
* Source/NSData.m: be strict about '=' padding only occurring at end
Modified: libs/base/trunk/Headers/Foundation/NSData.h
URL:
http://svn.gna.org/viewcvs/gnustep/libs/base/trunk/Headers/Foundation/NSData.h?rev=38634&r1=38633&r2=38634&view=diff
==============================================================================
--- libs/base/trunk/Headers/Foundation/NSData.h (original)
+++ libs/base/trunk/Headers/Foundation/NSData.h Sun Jun 14 18:17:17 2015
@@ -121,6 +121,12 @@
range: (NSRange)aRange;
- (NSData*) subdataWithRange: (NSRange)aRange;
+// base64
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_9,GS_API_LATEST)
+- (NSData *)base64EncodedDataWithOptions:(NSDataBase64EncodingOptions)options;
+- (NSString
*)base64EncodedStringWithOptions:(NSDataBase64EncodingOptions)options;
+#endif
+
// Querying a Data Object
- (BOOL) isEqualToData: (NSData*)other;
Modified: libs/base/trunk/Source/NSData.m
URL:
http://svn.gna.org/viewcvs/gnustep/libs/base/trunk/Source/NSData.m?rev=38634&r1=38633&r2=38634&view=diff
==============================================================================
--- libs/base/trunk/Source/NSData.m (original)
+++ libs/base/trunk/Source/NSData.m Sun Jun 14 18:17:17 2015
@@ -1,5 +1,5 @@
/**
- Copyright (C) 1995, 1996, 1997, 2000, 2002 Free Software Foundation, Inc.
+ Copyright (C) 1995-2015 Free Software Foundation, Inc.
Written by: Andrew Kachites McCallum <[email protected]>
Date: March 1995
@@ -147,6 +147,88 @@
dst[2] = ((src[2] & 0x03) << 6) | (src[3] & 0x3F);
}
+static char b64[]
+ = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+static NSUInteger
+encodebase64(unsigned char **dstRef, const unsigned char *src, NSUInteger
length, NSDataBase64EncodingOptions options)
+{
+ unsigned char *dst;
+ NSUInteger dIndex = 0;
+ NSUInteger dIndexNoNewLines = 0;
+ NSUInteger sIndex;
+ NSUInteger lineLength;
+ NSUInteger destLen;
+
+ lineLength = 0;
+ if (options & NSDataBase64Encoding64CharacterLineLength)
+ lineLength = 64;
+ else if (options & NSDataBase64Encoding76CharacterLineLength)
+ lineLength = 76;
+
+ /* if no EndLine options are set but a line length is given, CR+LF is
implied */
+ if (lineLength && !(options & NSDataBase64EncodingEndLineWithCarriageReturn)
&& !(options & NSDataBase64EncodingEndLineWithLineFeed))
+ {
+ options |= NSDataBase64EncodingEndLineWithCarriageReturn;
+ options |= NSDataBase64EncodingEndLineWithLineFeed;
+ }
+
+ /* estimate destination length */
+ destLen = 4 * ((length + 2) / 3);
+ /* we need to take in account line-endings */
+ if (lineLength)
+ {
+ if (options & (NSDataBase64EncodingEndLineWithCarriageReturn |
NSDataBase64EncodingEndLineWithLineFeed))
+ destLen += (destLen / lineLength)*2;
+ else
+ destLen += (destLen / lineLength);
+ }
+
+#if GS_WITH_GC
+ dst = NSAllocateCollectable(destLen, 0);
+#else
+ dst = NSZoneMalloc(NSDefaultMallocZone(), destLen);
+#endif
+
+ for (sIndex = 0; sIndex < length; sIndex += 3)
+ {
+ int c0 = src[sIndex];
+ int c1 = (sIndex+1 < length) ? src[sIndex+1] : 0;
+ int c2 = (sIndex+2 < length) ? src[sIndex+2] : 0;
+
+ dst[dIndex++] = b64[(c0 >> 2) & 077];
+ dst[dIndex++] = b64[((c0 << 4) & 060) | ((c1 >> 4) & 017)];
+ dst[dIndex++] = b64[((c1 << 2) & 074) | ((c2 >> 6) & 03)];
+ dst[dIndex++] = b64[c2 & 077];
+ dIndexNoNewLines += 4;
+ if (lineLength && !(dIndexNoNewLines % lineLength) )
+ {
+ if (options & NSDataBase64EncodingEndLineWithCarriageReturn)
+ dst[dIndex++] = '\r';
+ if (options & NSDataBase64EncodingEndLineWithLineFeed)
+ dst[dIndex++] = '\n';
+ }
+ }
+
+ /* If len was not a multiple of 3, then we have encoded too
+ * many characters. Adjust appropriately.
+ */
+ if (sIndex == length + 1)
+ {
+ /* There were only 2 bytes in that last group */
+ dst[dIndex - 1] = '=';
+ }
+ else if (sIndex == length + 2)
+ {
+ /* There was only 1 byte in that last group */
+ dst[dIndex - 1] = '=';
+ dst[dIndex - 2] = '=';
+ }
+
+ *dstRef = dst;
+ return dIndex;
+}
+
static BOOL
readContentsOfFile(NSString* path, void** buf, off_t* len, NSZone* zone)
{
@@ -221,7 +303,7 @@
if (fileLength == 0)
{
unsigned char buf[BUFSIZ];
-
+
/*
* Special case ... a file of length zero may be a named pipe or some
* file in the /proc filesystem, which will return us data if we read
@@ -959,6 +1041,29 @@
return [NSData dataWithBytesNoCopy: buffer length: aRange.length];
}
+- (NSData *)base64EncodedDataWithOptions:(NSDataBase64EncodingOptions)options
+{
+ void *srcBytes = (void*)[self bytes];
+ NSUInteger length = [self length];
+ NSUInteger resLen;
+ unsigned char *resBytes;
+
+ resLen = encodebase64(&resBytes, srcBytes, length, options);
+ return AUTORELEASE([[NSData alloc] initWithBytesNoCopy: resBytes length:
resLen freeWhenDone: YES]);
+}
+
+- (NSString
*)base64EncodedStringWithOptions:(NSDataBase64EncodingOptions)options
+{
+ void *srcBytes = (void*)[self bytes];
+ NSUInteger length = [self length];
+ NSUInteger resLen;
+ unsigned char *resBytes;
+
+ resLen = encodebase64(&resBytes, srcBytes, length, options);
+ return AUTORELEASE([[NSString alloc] initWithBytesNoCopy: resBytes length:
resLen encoding: NSASCIIStringEncoding freeWhenDone: YES]);
+}
+
+
- (NSUInteger) hash
{
unsigned char buf[64];
_______________________________________________
Gnustep-cvs mailing list
[email protected]
https://mail.gna.org/listinfo/gnustep-cvs
