Aegisub/libaegisub/unix/path.cpp

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// Copyright (c) 2013, Thomas Goyne <plorkyeran@aegisub.org>
//
// Permission to use, copy, modify, and distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
//
// Aegisub Project http://www.aegisub.org/
#include <libaegisub/path.h>
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#include <libaegisub/exception.h>
#include <libaegisub/util_osx.h>
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#include <boost/filesystem/operations.hpp>
#include <pwd.h>
#ifndef __APPLE__
#include <fstream>
#include <stdlib.h>
#include <libgen.h>
#endif
namespace {
#ifndef __APPLE__
std::string home_dir() {
const char *env = getenv("HOME");
if (env) return env;
if ((env = getenv("USER")) || (env = getenv("LOGNAME"))) {
if (passwd *user_info = getpwnam(env))
return user_info->pw_dir;
}
throw agi::EnvironmentError("Could not get home directory. Make sure HOME is set.");
}
#ifdef APPIMAGE_BUILD
std::string exe_dir() {
char *exe, *dir;
std::string data = "";
#ifdef __FreeBSD__
exe = realpath("/proc/self/file", NULL);
#else
exe = realpath("/proc/self/exe", NULL);
#endif
if (!exe) return "";
if ((dir = dirname(exe)) && strlen(dir) > 0) {
data = dir;
}
free(exe);
return data;
}
#endif /* APPIMAGE_BUILD */
#endif /* !__APPLE__ */
}
namespace agi {
void Path::FillPlatformSpecificPaths() {
#ifndef __APPLE__
agi::fs::path home = home_dir();
SetToken("?user", home/".aegisub");
SetToken("?local", home/".aegisub");
#ifdef APPIMAGE_BUILD
agi::fs::path exe = exe_dir();
agi::fs::path data_from_bin = agi::fs::path(P_DATA).lexically_relative(P_BIN);
SetToken("?data", (exe != "" ? exe/data_from_bin : home/".aegisub").make_preferred());
#else
SetToken("?data", P_DATA);
#endif
SetToken("?dictionary", "/usr/share/hunspell");
#else
agi::fs::path app_support = agi::util::GetApplicationSupportDirectory();
SetToken("?user", app_support/"Aegisub");
SetToken("?local", app_support/"Aegisub");
SetToken("?data", agi::util::GetBundleSharedSupportDirectory());
SetToken("?dictionary", Decode("?data/dictionaries"));
#endif
SetToken("?temp", boost::filesystem::temp_directory_path());
}
}