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// $Id$
#include "ace/INet/HeaderBase.h"
#include "ace/OS_NS_stdlib.h"
#if !defined (__ACE_INLINE__)
#include "ace/INet/HeaderBase.inl"
#endif
#include "ace/INet/INet_Log.h"
ACE_RCSID(NET_CLIENT,ACE_INet_HeaderBase,"$Id$")
ACE_BEGIN_VERSIONED_NAMESPACE_DECL
namespace ACE
{
namespace INet
{
const int HeaderBase::UNKNOWN_CONTENT_LENGTH = -1;
const ACE_CString HeaderBase::UNKNOWN_CONTENT_TYPE;
const ACE_CString HeaderBase::CONTENT_LENGTH = "Content-Length";
const ACE_CString HeaderBase::CONTENT_TYPE = "Content-Type";
const ACE_CString HeaderBase::EMPTY;
const int HeaderBase::eof_ = std::char_traits<char>::eof();
HeaderBase::HeaderBase()
{
}
HeaderBase::~HeaderBase()
{
}
void HeaderBase::set_content_length(int length)
{
if (length == UNKNOWN_CONTENT_LENGTH)
{
this->remove (CONTENT_LENGTH);
}
else
{
char buf[32];
this->set (CONTENT_LENGTH,
ACE_OS::itoa (length, buf, 10));
}
}
void HeaderBase::write(std::ostream& str) const
{
TNVMap::ITERATOR it (const_cast<TNVMap&> (this->header_values_));
for (it.first (); !it.done () ;it.advance ())
{
str << (*it).first ().c_str () << ": " << (*it).second ().c_str () << "\r\n";
INET_DEBUG (9, (LM_DEBUG, DLINFO
ACE_TEXT ("ACE_INet_HTTP: +-> %C: %C\n"),
(*it).first ().c_str (),
(*it).second ().c_str ()));
}
}
bool HeaderBase::read(std::istream& str)
{
ACE_CString name (64, '\0');
ACE_CString value (128, '\0');
int ch = str.peek ();
while (ch != eof_ && ch != '\r' && ch != '\n')
{
name.fast_clear ();
value.fast_clear ();
// parse name
ch = this->read_field (str, name, MAX_NAME_LENGTH, ':');
if (ch == '\n')
{
ch = str.get ();
continue; // ignore invalid headers
}
if (ch != ':')
{
return false; // name too long/missing colon; cannot continue
}
// skip leading whitespace before next field
while (ACE_OS::ace_isspace (str.peek ()))
{
ch = str.get ();
}
// parse value
ch = this->read_field (str, value, MAX_VALUE_LENGTH, '\r');
if (ch == '\r')
ch = str.get (); // get lf
if (ch != '\n')
return false; // value too long/no crlf found; cannot continue
// followup lines starting with ws are continuations of the value
// and must be appended
ch = str.peek ();
while (ch == ' ' || ch == '\t')
{
ch = this->read_field (str, value, MAX_VALUE_LENGTH, '\r');
if (ch == '\r')
ch = str.get (); // get lf
if (ch != '\n')
return false; // multiline value too long/no crlf; cannot continue
ch = str.peek ();
}
this->add (name, value);
INET_DEBUG (9, (LM_DEBUG, DLINFO
ACE_TEXT ("ACE_INet_HTTP: <-+ %C: %C\n"),
name.c_str (),
value.c_str ()));
}
return true;
}
void HeaderBase::set (const ACE_CString& name, const ACE_CString& value)
{
TNVMap::ITERATOR it (this->header_values_);
if (this->header_values_.find (NVPair (name), it) == 0)
{
(*it).second (value);
}
else
{
this->header_values_.insert (NVPair (name, value));
}
}
void HeaderBase::get_values(const ACE_CString& name, ACE_Array<ACE_CString> & values) const
{
TNVMap::ITERATOR it (const_cast<TNVMap&> (this->header_values_));
if (this->header_values_.find (name, it) == 0)
{
for (; !it.done () && ((*it).second () == name) ;it.advance ())
{
if (values.size (values.size ()+1) == 0)
{
values.set ((*it).second (), values.size ()-1);
}
}
}
}
NVPair::NVPair () {}
NVPair::NVPair (const ACE_CString& first)
: first_ (first)
{
}
NVPair::NVPair (const ACE_CString& first, const ACE_CString& second)
: first_ (first), second_ (second)
{
}
NVPair::NVPair (const NVPair& pair)
{
*this = pair;
}
NVPair::~NVPair () {}
}
}
ACE_END_VERSIONED_NAMESPACE_DECL
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