Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 182 insertions, 0 deletions

diff --git a/kopete/protocols/jabber/libiris/cutestuff/util/base64.cpp b/kopete/protocols/jabber/libiris/cutestuff/util/base64.cpp
new file mode 100644
index 00000000..a17ac335
--- /dev/null
+++ b/kopete/protocols/jabber/libiris/cutestuff/util/base64.cpp
@@ -0,0 +1,182 @@
+/*
+ * base64.cpp - Base64 converting functions
+ * Copyright (C) 2003  Justin Karneges
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ */
+
+#include"base64.h"
+
+// CS_NAMESPACE_BEGIN
+
+//! \class Base64 base64.h
+//! \brief Base64 conversion functions.
+//!
+//! Converts Base64 data between arrays and strings.
+//!
+//! \code
+//! #include "base64.h"
+//!
+//! ...
+//!
+//! // encode a block of data into base64
+//! QByteArray block(1024);
+//! QByteArray enc = Base64::encode(block);
+//!
+//!  \endcode
+
+//!
+//! Encodes array \a s and returns the result.
+QByteArray Base64::encode(const QByteArray &s)
+{
+	int i;
+	int len = s.size();
+	char tbl[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
+	int a, b, c;
+
+	QByteArray p((len+2)/3*4);
+	int at = 0;
+	for( i = 0; i < len; i += 3 ) {
+		a = ((unsigned char)s[i] & 3) << 4;
+		if(i + 1 < len) {
+			a += (unsigned char)s[i + 1] >> 4;
+			b = ((unsigned char)s[i + 1] & 0xF) << 2;
+			if(i + 2 < len) {
+				b += (unsigned char)s[i + 2] >> 6;
+				c = (unsigned char)s[i + 2] & 0x3F;
+			}
+			else
+				c = 64;
+		}
+		else
+			b = c = 64;
+
+		p[at++] = tbl[(unsigned char)s[i] >> 2];
+		p[at++] = tbl[a];
+		p[at++] = tbl[b];
+		p[at++] = tbl[c];
+	}
+	return p;
+}
+
+//!
+//! Decodes array \a s and returns the result.
+QByteArray Base64::decode(const QByteArray &s)
+{
+	// return value
+	QByteArray p;
+
+	// -1 specifies invalid
+	// 64 specifies eof
+	// everything else specifies data
+
+	char tbl[] = {
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,62,-1,-1,-1,63,
+		52,53,54,55,56,57,58,59,60,61,-1,-1,-1,64,-1,-1,
+		-1, 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,-1,-1,-1,-1,-1,
+		-1,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,
+		41,42,43,44,45,46,47,48,49,50,51,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+		-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+	};
+
+	// this should be a multiple of 4
+	int len = s.size();
+
+	if(len % 4)
+		return p;
+
+	p.resize(len / 4 * 3);
+
+	int i;
+	int at = 0;
+
+	int a, b, c, d;
+	c = d = 0;
+
+	for( i = 0; i < len; i += 4 ) {
+		a = tbl[(int)s[i]];
+		b = tbl[(int)s[i + 1]];
+		c = tbl[(int)s[i + 2]];
+		d = tbl[(int)s[i + 3]];
+		if((a == 64 || b == 64) || (a < 0 || b < 0 || c < 0 || d < 0)) {
+			p.resize(0);
+			return p;
+		}
+		p[at++] = ((a & 0x3F) << 2) | ((b >> 4) & 0x03);
+		p[at++] = ((b & 0x0F) << 4) | ((c >> 2) & 0x0F);
+		p[at++] = ((c & 0x03) << 6) | ((d >> 0) & 0x3F);
+	}
+
+	if(c & 64)
+		p.resize(at - 2);
+	else if(d & 64)
+		p.resize(at - 1);
+
+	return p;
+}
+
+//!
+//! Encodes array \a a and returns the result as a string.
+QString Base64::arrayToString(const QByteArray &a)
+{
+	QByteArray b = encode(a);
+	QCString c;
+	c.resize(b.size()+1);
+	memcpy(c.data(), b.data(), b.size());
+	return QString::fromLatin1(c);
+}
+
+//!
+//! Decodes string \a s and returns the result as an array.
+QByteArray Base64::stringToArray(const QString &s)
+{
+	if(s.isEmpty())
+		return QByteArray();
+
+	// Unfold data
+	QString us(s);
+	us.remove('\n');
+
+	const char *c = us.latin1();
+	int len = strlen(c);
+	QByteArray b(len);
+	memcpy(b.data(), c, len);
+	QByteArray a = decode(b);
+	return a;
+}
+
+//!
+//! Encodes string \a s and returns the result as a string.
+QString Base64::encodeString(const QString &s)
+{
+	QCString c = s.utf8();
+	int len = c.length();
+	QByteArray b(len);
+	memcpy(b.data(), c.data(), len);
+	return arrayToString(b);
+}
+
+// CS_NAMESPACE_END