#include <cerrno>
#include <dirent.h>
#include <sys/stat.h>
+#ifdef WIN32
+#include <shlobj.h>
+#endif
#include <msp/core/except.h>
+#include <msp/strings/regex.h>
+#include <msp/strings/utils.h>
#include "dir.h"
#include "path.h"
#include "stat.h"
namespace Msp {
namespace FS {
+namespace
+{
+
+/**
+Helper function to determine the location of the program's executable. Caches
+the last result to cut down filesystem access with repeated calls.
+*/
+const Path &get_bin_dir(const string &argv0)
+{
+ static string last_argv0;
+ static Path bin_dir;
+
+ if(!(argv0==last_argv0))
+ {
+ Path exe;
+ if(argv0.find('/')==string::npos)
+ {
+ const char *path=getenv("PATH");
+ vector<string> dirs=split(path, ':');
+ for(vector<string>::const_iterator i=dirs.begin(); i!=dirs.end(); ++i)
+ if(exists(Path(*i)/argv0))
+ {
+ exe=realpath(Path(*i)/argv0);
+ break;
+ }
+ }
+ else
+ exe=realpath(argv0);
+
+ last_argv0=argv0;
+ bin_dir=dirname(exe);
+ }
+
+ return bin_dir;
+}
+
+}
+
void mkdir(const Path &path, int mode)
{
int err;
throw SystemError("mkdir failed", errno);
}
-/**
-Creates a directory and any parent directories if needed.
-
-@param path The path to create
-@param mode Access mode for new directories
-
-@return 0 on success, -1 on error
-*/
void mkpath(const Path &path, int mode)
{
Path p;
{
p/=*i;
#ifdef WIN32
- if(p.size()==1 && is_windows_drive(*i))
+ if(p.size()==1 && p.is_absolute())
continue;
#endif
struct stat st;
list<string> list_files(const Path &path)
{
+ return list_filtered(path, string());
+}
+
+list<string> list_filtered(const Path &path, const string &filter)
+{
+ Regex r_filter(filter);
+
list<string> result;
DIR *dir=opendir(path.str().c_str());
if(dir)
const char *fn=de->d_name;
if(fn[0]=='.' && (fn[1]==0 || (fn[1]=='.' && fn[2]==0)))
continue;
- result.push_back(fn);
+ if(r_filter.match(fn))
+ result.push_back(fn);
}
closedir(dir);
}
Path get_home_dir()
{
-#ifndef WIN32
+#ifdef WIN32
+ char home[MAX_PATH];
+ if(SHGetFolderPath(0, CSIDL_PERSONAL, 0, 0, home)==S_OK)
+ return home;
+#else
const char *home=getenv("HOME");
if(home)
return home;
+#endif
return ".";
-#else
+}
+
+Path get_user_data_dir(const string &appname)
+{
+#ifdef WIN32
+ char datadir[MAX_PATH];
+ if(SHGetFolderPath(0, CSIDL_LOCAL_APPDATA, 0, 0, datadir)==S_OK)
+ return Path(datadir)/appname;
return ".";
+#else
+ return get_home_dir()/("."+appname);
#endif
}
+Path get_sys_conf_dir(const string &argv0)
+{
+ Path dir=get_bin_dir(argv0);
+
+ if(dir[-1]=="bin" || dir[-1]=="sbin")
+ {
+ dir/="..";
+ if(dir[-1]=="usr")
+ dir/="..";
+ return dir/"etc";
+ }
+ else
+ return dir;
+}
+
+Path get_sys_data_dir(const string &argv0, const string &appname)
+{
+ Path dir=get_bin_dir(argv0);
+
+ if(dir[-1]=="bin" || dir[-1]=="sbin")
+ return dir/".."/"share"/appname;
+ else
+ return dir;
+}
+
void chdir(const Path &path)
{
if(::chdir(path.str().c_str())==-1)