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/*
* kbiffurl.cpp
* Copyright (C) 1999-2002 Kurt Granroth <granroth@kde.org>
* Copyright (C) 1999 Bjorn Hansson <Bjorn.Hansson@signal.uu.se>
*
* This file contains the implementation of KBiffURL and
*
* $Id$
*/
#include "kbiffurl.h"
KBiffURL::KBiffURL()
: KURL()
{
}
KBiffURL::KBiffURL(const QString& _url)
: KURL(_url)
{
/**
* There exists no search part in the nntp spec; let's go around that
*/
if (protocol() == "nntp")
{
QString urlStr(_url);
urlStr.replace(0,4, "imap4");
*this = KBiffURL(urlStr);
setProtocol("nntp");
}
}
/**
* BNF description of the syntax (see RFC1738, HTTP syntax)
* ; HTTP
*
* httpurl = "http://" hostport [ "/" hpath [ "?" search ]]
* hpath = hsegment *[ "/" hsegment ]
* hsegment = *[ uchar | ";" | ":" | "@" | "&" | "=" ]
* search = *[ uchar | ";" | ":" | "@" | "&" | "=" ]
*/
QString KBiffURL::searchPar( const QString & _parName ) const
{
const char *_searchPart, *_searchPos, *_parVal;
int n;
// Set some initial values
n = 0;
_parVal = NULL;
// Get the search part of the URL, i.e. the stuff after "?"
QString query_str(query());
if (!query_str.isNull())
query_str = query_str.remove(0,1);
_searchPart = query_str.ascii();
// Try to find the given parameter in the search part string
if ((n = findPos( _searchPart, _parName )) < 0)
return QString::null;
/*
* Now, we know that the parameter name is found
*/
// If no value is assigned, an empty string is returned
if (_searchPart[n] != '=')
return QString::null;
// Set the beginning of the parameter value string
_parVal = &(_searchPart[n+1]);
// Find the end of the assigned parameter value
_searchPos = strpbrk( _parVal, ";:@&=" );
// Return the assigned parameter value
if (_searchPos == NULL)
return QString( _parVal );
else
return QString( _parVal ).left(_searchPos - _parVal);
}
void KBiffURL::setSearchPar( const QString & _parName, const QString & _newParVal )
{
QString _newSearchPart;
const char *_searchPart, *_searchPos, *_parVal;
int index, len;
// Get the search part of the URL, i.e. the stuff after "?"
QString query_str(query());
if (!query_str.isNull())
query_str = query_str.remove(0,1);
_searchPart = query_str.ascii();
// Try to find the given parameter in the search part string
index = findPos( _searchPart, _parName );
// If the parameter name is not found it is simply appended
if (index < 0)
{
if (query_str.length() > 0)
{
_newSearchPart = query_str;
_newSearchPart += "&";
}
_newSearchPart += _parName;
_newSearchPart += "=";
_newSearchPart += _newParVal;
}
else
{
_newSearchPart = _searchPart;
// If no value is assigned, the new value is inserted
if (_searchPart[index] != '=')
{
_newSearchPart.insert( index, _newParVal );
_newSearchPart.insert( index, '=' );
}
// Otherwise, the old value is replaced with the new one
else
{
// Point to the first character of the assigned value
index++;
// Set the beginning of the parameter value string
_parVal = &(_searchPart[index]);
// Get the length of the old parameter value
_searchPos = strpbrk( _parVal, ";:@&=" );
if (_searchPos == NULL)
len = strlen( _parVal );
else
len = _searchPos - _parVal;
_newSearchPart.replace( index, len, _newParVal );
}
}
setQuery( _newSearchPart );
}
int KBiffURL::findPos( const QString & _searchPart, const QString & _parName ) const
{
const char *_searchPos;
int n = -1;
_searchPos = _searchPart.ascii();
while (_searchPos != NULL)
{
_searchPos = strstr( _searchPos, _parName.ascii() );
// If not found, a NULL string is returned
if (_searchPos == NULL)
return -1;
// Find the index of the next character
n = _searchPos - _searchPart.ascii() + strlen(_parName.ascii());
// Stop searching if this is not a substring
if ((_searchPos == _searchPart || _searchPos[-1] == '&') &&
(_searchPart[n] == '0' || strchr(";:@&=", _searchPart[n]) != NULL))
return n;
_searchPos = &(_searchPart.ascii()[n+1]);
}
return -1;
}
QString KBiffURL::pass() const
{
return KURL::decode_string(KURL::pass());
}
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