initial import

Foundation/src/HexBinaryDecoder.cpp

@@ -0,0 +1,115 @@
+//
+// HexBinaryDecoder.cpp
+//
+// $Id: //poco/1.1.0/Foundation/src/HexBinaryDecoder.cpp#2 $
+//
+// Library: Foundation
+// Package: Streams
+// Module:  HexBinary
+//
+// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// obtaining a copy of the software and accompanying documentation covered by
+// this license (the "Software") to use, reproduce, display, distribute,
+// execute, and transmit the Software, and to prepare derivative works of the
+// Software, and to permit third-parties to whom the Software is furnished to
+// do so, all subject to the following:
+// 
+// The copyright notices in the Software and this entire statement, including
+// the above license grant, this restriction and the following disclaimer,
+// must be included in all copies of the Software, in whole or in part, and
+// all derivative works of the Software, unless such copies or derivative
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
+// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#include "Foundation/HexBinaryDecoder.h"
+#include "Foundation/Exception.h"
+
+
+Foundation_BEGIN
+
+
+HexBinaryDecoderBuf::HexBinaryDecoderBuf(std::istream& istr): _istr(istr)
+{
+}
+
+
+HexBinaryDecoderBuf::~HexBinaryDecoderBuf()
+{
+}
+
+
+int HexBinaryDecoderBuf::readFromDevice()
+{
+	int c;
+	int n;
+	if ((n = readOne()) == -1) return -1;
+	if (n >= '0' && n <= '9')
+		c = n - '0';
+	else if (n >= 'A' && n <= 'F')
+		c = n - 'A' + 10;
+	else if (n >= 'a' && n <= 'f')
+		c = n - 'a' + 10;
+	else throw DataFormatException();
+	c <<= 4;
+	if ((n = readOne()) == -1) return -1;
+	if (n >= '0' && n <= '9')
+		c |= n - '0';
+	else if (n >= 'A' && n <= 'F')
+		c |= n - 'A' + 10;
+	else if (n >= 'a' && n <= 'f')
+		c |= n - 'a' + 10;
+	else throw DataFormatException();
+	return c;
+}
+
+
+int HexBinaryDecoderBuf::readOne()
+{
+	int ch = _istr.get();
+	while (ch == ' ' || ch == '\r' || ch == '\t' || ch == '\n')
+		ch = _istr.get();
+	return ch;
+}
+
+
+HexBinaryDecoderIOS::HexBinaryDecoderIOS(std::istream& istr): _buf(istr)
+{
+	poco_ios_init(&_buf);
+}
+
+
+HexBinaryDecoderIOS::~HexBinaryDecoderIOS()
+{
+}
+
+
+HexBinaryDecoderBuf* HexBinaryDecoderIOS::rdbuf()
+{
+	return &_buf;
+}
+
+
+HexBinaryDecoder::HexBinaryDecoder(std::istream& istr): HexBinaryDecoderIOS(istr), std::istream(&_buf)
+{
+}
+
+
+HexBinaryDecoder::~HexBinaryDecoder()
+{
+}
+
+
+Foundation_END