#include <cstdlib>
#include <unistd.h>
#include <dirent.h>
+#include <msp/core/application.h>
#include <msp/core/systemerror.h>
#include <msp/strings/regex.h>
#include <msp/strings/utils.h>
enum
{
-#ifdef WIN32
+#ifdef _WIN32
ITEMSEP = ';'
#else
ITEMSEP = ':'
for(Path::Iterator i=path.begin(); i!=path.end(); ++i)
{
p /= *i;
-#ifdef WIN32
+#ifdef _WIN32
if(p.size()==1 && p.is_absolute())
continue;
#endif
return result;
}
-Path getcwd()
+Path get_user_data_dir()
{
- char buf[1024];
- return ::getcwd(buf, sizeof(buf));
+ const string &name = Application::get_name();
+ if(name.empty())
+ throw logic_error("application name not known");
+ return get_user_data_dir(name);
}
Path get_sys_conf_dir(const string &argv0)
{
+ if(argv0.empty())
+ throw invalid_argument("get_sys_conf_dir");
+
Path dir = get_bin_dir(argv0);
if(dir[-1]=="bin" || dir[-1]=="sbin")
return dir;
}
+Path get_sys_conf_dir()
+{
+ const char *argv0 = Application::get_argv0();
+ if(!argv0)
+ throw logic_error("no startup command");
+ return get_sys_conf_dir(argv0);
+}
+
Path get_sys_data_dir(const string &argv0, const string &appname)
{
+ if(argv0.empty() || appname.empty())
+ throw invalid_argument("get_sys_data_dir");
+
Path dir = get_bin_dir(argv0);
if(dir[-1]=="bin" || dir[-1]=="sbin")
return dir;
}
+Path get_sys_data_dir()
+{
+ const char *argv0 = Application::get_argv0();
+ if(!argv0)
+ throw logic_error("no startup command");
+ return get_sys_data_dir(argv0, Application::get_name());
+}
+
Path get_sys_lib_dir(const string &argv0, const string &appname)
{
+ if(argv0.empty() || appname.empty())
+ throw invalid_argument("get_sys_data_dir");
+
Path dir = get_bin_dir(argv0);
if(dir[-1]=="bin" || dir[-1]=="sbin")
return dir;
}
-void chdir(const Path &path)
+Path get_sys_lib_dir()
+{
+ const char *argv0 = Application::get_argv0();
+ if(!argv0)
+ throw logic_error("no startup command");
+ return get_sys_lib_dir(argv0, Application::get_name());
+}
+
+Path path_lookup(const string &name, const list<Path> &paths)
+{
+ for(list<Path>::const_iterator i=paths.begin(); i!=paths.end(); ++i)
+ {
+ Path full = *i/name;
+ if(exists(full))
+ return realpath(full);
+ }
+
+ return Path();
+}
+
+Path path_lookup(const string &name)
{
- if(::chdir(path.str().c_str())==-1)
- throw system_error("chdir");
+ const char *path = getenv("PATH");
+ vector<string> dirs = split(path, ITEMSEP);
+ return path_lookup(name, list<Path>(dirs.begin(), dirs.end()));
}
} // namespace FS