Migrating to new directory structure adopted from the RealVNC's source tree. More changes will follow.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@589 3789f03b-4d11-0410-bbf8-ca57d06f2519
diff --git a/common/rdr/HexOutStream.cxx b/common/rdr/HexOutStream.cxx
new file mode 100644
index 0000000..9b0b6c4
--- /dev/null
+++ b/common/rdr/HexOutStream.cxx
@@ -0,0 +1,110 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ *
+ * This 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 software 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 software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
+ * USA.
+ */
+
+#include <rdr/HexOutStream.h>
+#include <rdr/Exception.h>
+
+using namespace rdr;
+
+const int DEFAULT_BUF_LEN = 16384;
+
+static inline int min(int a, int b) {return a<b ? a : b;}
+
+HexOutStream::HexOutStream(OutStream& os, int buflen)
+: out_stream(os), offset(0), bufSize(buflen ? buflen : DEFAULT_BUF_LEN)
+{
+ if (bufSize % 2)
+ bufSize--;
+ ptr = start = new U8[bufSize];
+ end = start + bufSize;
+}
+
+HexOutStream::~HexOutStream() {
+ delete [] start;
+}
+
+
+char HexOutStream::intToHex(int i) {
+ if ((i>=0) && (i<=9))
+ return '0'+i;
+ else if ((i>=10) && (i<=15))
+ return 'a'+(i-10);
+ else
+ throw rdr::Exception("intToHex failed");
+}
+
+char* HexOutStream::binToHexStr(const char* data, int length) {
+ char* buffer = new char[length*2+1];
+ for (int i=0; i<length; i++) {
+ buffer[i*2] = intToHex((data[i] >> 4) & 15);
+ buffer[i*2+1] = intToHex((data[i] & 15));
+ if (!buffer[i*2] || !buffer[i*2+1]) {
+ delete [] buffer;
+ return 0;
+ }
+ }
+ buffer[length*2] = 0;
+ return buffer;
+}
+
+
+void
+HexOutStream::writeBuffer() {
+ U8* pos = start;
+ while (pos != ptr) {
+ out_stream.check(2);
+ U8* optr = out_stream.getptr();
+ U8* oend = out_stream.getend();
+ int length = min(ptr-pos, (oend-optr)/2);
+
+ for (int i=0; i<length; i++) {
+ optr[i*2] = intToHex((pos[i] >> 4) & 0xf);
+ optr[i*2+1] = intToHex(pos[i] & 0xf);
+ }
+
+ out_stream.setptr(optr + length*2);
+ pos += length;
+ }
+ offset += ptr - start;
+ ptr = start;
+}
+
+int HexOutStream::length()
+{
+ return offset + ptr - start;
+}
+
+void
+HexOutStream::flush() {
+ writeBuffer();
+ out_stream.flush();
+}
+
+int
+HexOutStream::overrun(int itemSize, int nItems) {
+ if (itemSize > bufSize)
+ throw Exception("HexOutStream overrun: max itemSize exceeded");
+
+ writeBuffer();
+
+ if (itemSize * nItems > end - ptr)
+ nItems = (end - ptr) / itemSize;
+
+ return nItems;
+}
+