cdesktopenv/cde/programs/dtsearchpath/dtsp/ManSearchPath.C

149 lines
4.2 KiB
C

/*
* CDE - Common Desktop Environment
*
* Copyright (c) 1993-2012, The Open Group. All rights reserved.
*
* These libraries and programs are free software; you can
* redistribute them and/or modify them under the terms of the GNU
* Lesser General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* These libraries and programs are distributed in the hope that
* they will be useful, but WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with these libraries and programs; if not, write
* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
* Floor, Boston, MA 02110-1301 USA
*/
/* $XConsortium: ManSearchPath.C /main/3 1995/11/03 12:31:46 rswiston $ */
/*******************************************************************
** (c) Copyright Hewlett-Packard Company, 1990, 1991, 1992, 1993.
** All rights are reserved. Copying or other reproduction of this
** program except for archival purposes is prohibited without prior
** written consent of Hewlett-Packard Company.
********************************************************************
****************************<+>*************************************/
#include "SearchPath.h"
#include "TTFile.h"
#include "Options.h"
extern Options * options;
ManSearchPath::ManSearchPath
(
CDEEnvironment * user,
const char * envvar,
const char * sep
) : SearchPath(user, envvar, sep)
{
if (user->DTMANPATH())
search_path = user->FactoryManPath() + "," + *user->DTMANPATH();
else
search_path = user->FactoryManPath();
// add OS manpath now so duplicate path elements can be removed by Normalize
// Normalize should recognize both ':' and ',' as separators.
if (!user->OS()->MANPATH().isNull())
search_path += ":" + user->OS()->MANPATH();
NormalizePath();
TraversePath();
}
/************************************************************************
* MakePath()
*
* Given a search path element (host name:path name pair), construct
* the appropriate path for this particular desktop subsystem:
*
* DTMANPATH
*
* A path is constructed so that each host:/path pair is appended.
************************************************************************/
void ManSearchPath::MakePath
(
const CString & pair
)
{
CTokenizedString element(pair,":");
CString host_element = element.next();
CString path_element = element.next();
if (host_element == user->OS()->LocalHost()) {
if (user->OS()->isDirectory(path_element) || options->dontOptimize())
AddToPath (path_element);
}
else {
CString dirname(ConstructPath(path_element, &host_element));
if (user->OS()->isDirectory(dirname) || options->dontOptimize())
AddToPath (dirname);
}
}
#if defined(__FreeBSD__)
/*****************************************************************
* useSystemPath()
*
* Check whether to leave MANPATH unmodified (or unset)
*
*/
int ManSearchPath::useSystemPath()
{
if (user->OS()->getEnvironmentVariable("MANPATH").isNull()) {
return 1;
} else {
return 0;
}
}
#endif
/*****************************************************************
* ExportPath()
*
* Export the variable value to the rest of the session.
*
*****************************************************************/
void ManSearchPath::ExportPath()
{
if (!useSystemPath()) {
CString env(GetEnvVar());
user->OS()->shell()->putToEnv(env,
final_search_path.data());
}
}
void ManSearchPath::Print()
{
printf("%s:\n", GetEnvVar());
CString sp(GetSearchPath());
if (!useSystemPath() && !sp.isNull()) {
CTokenizedString path (sp,Separator().data());
CString subpath = path.next();
while (!subpath.isNull()) {
printf("\t%s\n",subpath.data());
subpath = path.next();
}
printf("\n");
}
}
std::ostream & operator<<
(
std::ostream & os,
const ManSearchPath & sp
)
{
os << sp.GetEnvVar() << std::endl;
sp.PrettyPrint(os);
return os;
}