std::streamsize HTMLForm::calculateContentLength()
{
if (_boundary.empty())
throw HTMLFormException("Form must be prepared");
HTMLFormCountingOutputStream c;
write(c);
if (c.getIsValid())
return c.chars();
else
return UNKNOWN_CONTENT_LENGTH;
}
void HTMLForm::readMultipart(std::istream& istr, PartHandler& handler)
{
static const int eof = std::char_traits<char>::eof();
int fields = 0;
MultipartReader reader(istr, _boundary);
while (reader.hasNextPart())
{
if (_fieldLimit > 0 && fields == _fieldLimit)
throw HTMLFormException("Too many form fields");
MessageHeader header;
reader.nextPart(header);
std::string disp;
NameValueCollection params;
if (header.has("Content-Disposition"))
{
std::string cd = header.get("Content-Disposition");
MessageHeader::splitParameters(cd, disp, params);
}
if (params.has("filename"))
{
handler.handlePart(header, reader.stream());
// Ensure that the complete part has been read.
while (reader.stream().good()) reader.stream().get();
}
else
{
std::string name = params["name"];
std::string value;
std::istream& istr = reader.stream();
int ch = istr.get();
while (ch != eof)
{
value += (char) ch;
ch = istr.get();
}
add(name, value);
}
++fields;
}
}
void HTMLForm::readUrl(std::istream& istr)
{
static const int eof = std::char_traits<char>::eof();
int fields = 0;
int ch = istr.get();
while (ch != eof)
{
if (_fieldLimit > 0 && fields == _fieldLimit)
throw HTMLFormException("Too many form fields");
std::string name;
std::string value;
while (ch != eof && ch != '=' && ch != '&')
{
if (ch == '+') ch = ' ';
name += (char) ch;
ch = istr.get();
}
if (ch == '=')
{
ch = istr.get();
while (ch != eof && ch != '&')
{
if (ch == '+') ch = ' ';
value += (char) ch;
ch = istr.get();
}
}
std::string decodedName;
std::string decodedValue;
URI::decode(name, decodedName);
URI::decode(value, decodedValue);
add(decodedName, decodedValue);
++fields;
if (ch == '&') ch = istr.get();
}
}
