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125 lines
3.1 KiB
C++
125 lines
3.1 KiB
C++
//
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// QuotedPrintableDecoder.cpp
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//
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// $Id: //poco/1.4/Net/src/QuotedPrintableDecoder.cpp#2 $
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//
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// Library: Net
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// Package: Messages
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// Module: QuotedPrintableDecoder
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//
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// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Net/QuotedPrintableDecoder.h"
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#include "Poco/NumberParser.h"
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#include "Poco/Exception.h"
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#include "Poco/Ascii.h"
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using Poco::UnbufferedStreamBuf;
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using Poco::NumberParser;
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using Poco::DataFormatException;
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namespace Poco {
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namespace Net {
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QuotedPrintableDecoderBuf::QuotedPrintableDecoderBuf(std::istream& istr):
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_buf(*istr.rdbuf())
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{
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}
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QuotedPrintableDecoderBuf::~QuotedPrintableDecoderBuf()
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{
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}
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int QuotedPrintableDecoderBuf::readFromDevice()
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{
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int ch = _buf.sbumpc();
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while (ch == '=')
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{
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ch = _buf.sbumpc();
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if (ch == '\r')
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{
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ch = _buf.sbumpc(); // read \n
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}
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else if (Poco::Ascii::isHexDigit(ch))
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{
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std::string hex = "0x";
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hex += (char) ch;
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ch = _buf.sbumpc();
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if (Poco::Ascii::isHexDigit(ch))
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{
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hex += (char) ch;
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return NumberParser::parseHex(hex);
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}
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throw DataFormatException("Incomplete hex number in quoted-printable encoded stream");
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}
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else if (ch != '\n')
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{
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throw DataFormatException("Invalid occurrence of '=' in quoted-printable encoded stream");
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}
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ch = _buf.sbumpc();
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}
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return ch;
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}
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QuotedPrintableDecoderIOS::QuotedPrintableDecoderIOS(std::istream& istr): _buf(istr)
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{
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poco_ios_init(&_buf);
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}
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QuotedPrintableDecoderIOS::~QuotedPrintableDecoderIOS()
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{
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}
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QuotedPrintableDecoderBuf* QuotedPrintableDecoderIOS::rdbuf()
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{
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return &_buf;
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}
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QuotedPrintableDecoder::QuotedPrintableDecoder(std::istream& istr):
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QuotedPrintableDecoderIOS(istr),
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std::istream(&_buf)
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{
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}
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QuotedPrintableDecoder::~QuotedPrintableDecoder()
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{
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}
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} } // namespace Poco::Net
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