vmime/src/defaultParameter.cpp
2004-10-05 10:28:21 +00:00

118 lines
2.5 KiB
C++

//
// VMime library (http://vmime.sourceforge.net)
// Copyright (C) 2002-2004 Vincent Richard <vincent@vincent-richard.net>
//
// 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#include "defaultParameter.hpp"
namespace vmime
{
void defaultParameter::parse(const string& buffer, const string::size_type position,
const string::size_type end, string::size_type* newPosition)
{
parseValue(buffer, position, end);
if (newPosition)
*newPosition = end;
}
void defaultParameter::generate(utility::outputStream& os, const string::size_type maxLineLength,
const string::size_type curLinePos, string::size_type* newLinePos) const
{
string::size_type pos = curLinePos;
const string value = quotedValue();
pos += m_name.length() + value.length() + 2;
if (pos > maxLineLength)
{
os << NEW_LINE_SEQUENCE;
pos = NEW_LINE_SEQUENCE_LENGTH;
}
os << m_name << "=" << value;
if (newLinePos)
*newLinePos = pos;
}
const string defaultParameter::quotedValue() const
{
const string value(generateValue());
std::ostringstream ss;
string::const_iterator start = value.begin();
bool quoted = false;
for (string::const_iterator i = value.begin() ; i != value.end() ; ++i)
{
switch (*i)
{
// Characters that need to be quoted _and_ escaped
case '"':
case '\\':
ss << string(start, i) << "\\" << *i;
start = i + 1;
quoted = true;
break;
// Other characters that need quoting
case ' ':
case '\t':
case '(':
case ')':
case '<':
case '>':
case '@':
case ',':
case ';':
case ':':
case '/':
case '[':
case ']':
case '?':
case '=':
quoted = true;
break;
}
}
if (start != value.end())
ss << string(start, value.end());
return (quoted ? ("\"" + ss.str() + "\"") : (ss.str()));
}
void defaultParameter::copyFrom(const parameter& param)
{
parameter::copyFrom(param);
}
} // vmime