• added: SPDataAdditions.m

- base64EncodingWithLineLength:
• improved printing of blobs which contain image data
- not it supports PDF preview
- set maximum width to 100px or less

1 files changed, 105 insertions, 0 deletions

diff --git a/Source/SPDataAdditions.m b/Source/SPDataAdditions.m
new file mode 100644
index 00000000..166288e5
--- /dev/null
+++ b/Source/SPDataAdditions.m
@@ -0,0 +1,105 @@
+//
+//  $Id: SPDataAdditions.m 891 2009-06-19 10:01:14Z bibiko $
+//
+//  SPDataAdditions.m
+//  sequel-pro
+//
+//  Created by Hans-Jörg Bibiko on June 19, 2009
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  More info at <http://code.google.com/p/sequel-pro/>
+
+#import "SPDataAdditions.h"
+
+static char base64encodingTable[64] = {
+'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P',
+'Q','R','S','T','U','V','W','X','Y','Z','a','b','c','d','e','f',
+'g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v',
+'w','x','y','z','0','1','2','3','4','5','6','7','8','9','+','/' };
+
+
+@implementation NSData (SPDataAdditions)
+
+/*
+ * Derived from http://colloquy.info/project/browser/trunk/NSDataAdditions.m?rev=1576
+ *  Created by khammond on Mon Oct 29 2001.
+ *  Formatted by Timothy Hatcher on Sun Jul 4 2004.
+ *  Copyright (c) 2001 Kyle Hammond. All rights reserved.
+ *  Original development by Dave Winer.
+ *
+ * Convert self to a base64 encoded NSString
+ */
+- (NSString *) base64EncodingWithLineLength:(unsigned int)lineLength {
+
+	const unsigned char *bytes = [self bytes];
+	unsigned long ixtext = 0;
+	unsigned long lentext = [self length];
+	long ctremaining = 0;
+	unsigned char inbuf[3], outbuf[4];
+	short i = 0;
+	short charsonline = 0, ctcopy = 0;
+	unsigned long ix = 0;
+
+	NSMutableString *base64 = [NSMutableString stringWithCapacity:lentext];
+
+	while(1) {
+		ctremaining = lentext - ixtext;
+		if( ctremaining <= 0 ) break;
+
+		for( i = 0; i < 3; i++ ) {
+			ix = ixtext + i;
+			if( ix < lentext ) inbuf[i] = bytes[ix];
+			else inbuf [i] = 0;
+		}
+
+		outbuf [0] = (inbuf [0] & 0xFC) >> 2;
+		outbuf [1] = ((inbuf [0] & 0x03) << 4) | ((inbuf [1] & 0xF0) >> 4);
+		outbuf [2] = ((inbuf [1] & 0x0F) << 2) | ((inbuf [2] & 0xC0) >> 6);
+		outbuf [3] = inbuf [2] & 0x3F;
+		ctcopy = 4;
+
+		switch( ctremaining ) {
+			case 1: 
+			ctcopy = 2; 
+			break;
+			case 2: 
+			ctcopy = 3; 
+			break;
+		}
+
+		for( i = 0; i < ctcopy; i++ )
+			[base64 appendFormat:@"%c", base64encodingTable[outbuf[i]]];
+
+		for( i = ctcopy; i < 4; i++ )
+			[base64 appendFormat:@"%c",'='];
+
+		ixtext += 3;
+		charsonline += 4;
+
+		if( lineLength > 0 ) {
+			if (charsonline >= lineLength) {
+				charsonline = 0;
+				[base64 appendString:@"\n"];
+			}
+		}
+	}
+
+	return base64;
+}
+
+
+
+@end