const char* wxURI::ParseServer(const char* uri)
{
const char * const start = uri;
// host = IP-literal / IPv4address / reg-name
// IP-literal = "[" ( IPv6address / IPvFuture ) "]"
if (*uri == '[')
{
++uri;
if (ParseIPv6address(uri) && *uri == ']')
{
m_hostType = wxURI_IPV6ADDRESS;
m_server.assign(start + 1, uri - start - 1);
++uri;
}
else
{
uri = start + 1; // skip the leading '[' again
if (ParseIPvFuture(uri) && *uri == ']')
{
m_hostType = wxURI_IPVFUTURE;
m_server.assign(start + 1, uri - start - 1);
++uri;
}
else // unrecognized IP literal
{
uri = start;
}
}
}
else // IPv4 or a reg-name
{
if (ParseIPv4address(uri))
{
m_hostType = wxURI_IPV4ADDRESS;
m_server.assign(start, uri - start);
}
else
{
uri = start;
}
}
if ( m_hostType == wxURI_REGNAME )
{
uri = start;
// reg-name = *( unreserved / pct-encoded / sub-delims )
while ( *uri && *uri != '/' && *uri != ':' && *uri != '#' && *uri != '?' )
{
if ( IsUnreserved(*uri) || IsSubDelim(*uri) )
m_server += *uri++;
else
AppendNextEscaped(m_server, uri);
}
}
m_fields |= wxURI_SERVER;
return uri;
}
bool wxURI::ParseIPv6address(const char*& uri)
{
// IPv6address = 6( h16 ":" ) ls32
// / "::" 5( h16 ":" ) ls32
// / [ h16 ] "::" 4( h16 ":" ) ls32
// / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
// / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
// / [ *3( h16 ":" ) h16 ] "::" h16 ":" ls32
// / [ *4( h16 ":" ) h16 ] "::" ls32
// / [ *5( h16 ":" ) h16 ] "::" h16
// / [ *6( h16 ":" ) h16 ] "::"
size_t numPrefix = 0,
maxPostfix;
bool bEndHex = false;
for( ; numPrefix < 6; ++numPrefix)
{
if(!ParseH16(uri))
{
--uri;
bEndHex = true;
break;
}
if(*uri != ':')
{
break;
}
}
if(!bEndHex && !ParseH16(uri))
{
--uri;
if (numPrefix)
return false;
if (*uri == ':')
{
if (*++uri != ':')
return false;
maxPostfix = 5;
}
else
maxPostfix = 6;
}
else
{
if (*uri != ':' || *(uri+1) != ':')
{
if (numPrefix != 6)
return false;
while (*--uri != ':') {}
++uri;
const char * const start = uri;
//parse ls32
// ls32 = ( h16 ":" h16 ) / IPv4address
if (ParseH16(uri) && *uri == ':' && ParseH16(uri))
return true;
uri = start;
if (ParseIPv4address(uri))
return true;
else
return false;
}
else
{
uri += 2;
if (numPrefix > 3)
maxPostfix = 0;
else
maxPostfix = 4 - numPrefix;
}
}
bool bAllowAltEnding = maxPostfix == 0;
for(; maxPostfix != 0; --maxPostfix)
{
if(!ParseH16(uri) || *uri != ':')
return false;
}
if(numPrefix <= 4)
{
const char * const start = uri;
//parse ls32
// ls32 = ( h16 ":" h16 ) / IPv4address
if (ParseH16(uri) && *uri == ':' && ParseH16(uri))
return true;
uri = start;
if (ParseIPv4address(uri))
return true;
uri = start;
if (!bAllowAltEnding)
return false;
}
if(numPrefix <= 5 && ParseH16(uri))
return true;
return true;
}
const wxChar* wxURI::ParseServer(const wxChar* uri)
{
wxASSERT(uri != NULL);
//copy of the uri - used for figuring out
//length of each component
const wxChar* uricopy = uri;
// host = IP-literal / IPv4address / reg-name
// IP-literal = "[" ( IPv6address / IPvFuture ) "]"
if (*uri == wxT('['))
{
++uri; //some compilers don't support *&ing a ++*
if (ParseIPv6address(uri) && *uri == wxT(']'))
{
++uri;
m_hostType = wxURI_IPV6ADDRESS;
wxStringBufferLength theBuffer(m_server, uri - uricopy);
wxTmemcpy(theBuffer, uricopy, uri-uricopy);
theBuffer.SetLength(uri-uricopy);
}
else
{
uri = uricopy;
++uri; //some compilers don't support *&ing a ++*
if (ParseIPvFuture(uri) && *uri == wxT(']'))
{
++uri;
m_hostType = wxURI_IPVFUTURE;
wxStringBufferLength theBuffer(m_server, uri - uricopy);
wxTmemcpy(theBuffer, uricopy, uri-uricopy);
theBuffer.SetLength(uri-uricopy);
}
else
uri = uricopy;
}
}
else
{
if (ParseIPv4address(uri))
{
m_hostType = wxURI_IPV4ADDRESS;
wxStringBufferLength theBuffer(m_server, uri - uricopy);
wxTmemcpy(theBuffer, uricopy, uri-uricopy);
theBuffer.SetLength(uri-uricopy);
}
else
uri = uricopy;
}
if(m_hostType == wxURI_REGNAME)
{
uri = uricopy;
// reg-name = *( unreserved / pct-encoded / sub-delims )
while(*uri && *uri != wxT('/') && *uri != wxT(':') && *uri != wxT('#') && *uri != wxT('?'))
{
if(IsUnreserved(*uri) || IsSubDelim(*uri))
m_server += *uri++;
else if (IsEscape(uri))
{
m_server += *uri++;
m_server += *uri++;
m_server += *uri++;
}
else
Escape(m_server, *uri++);
}
}
//mark the server as valid
m_fields |= wxURI_SERVER;
return uri;
}
