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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* file-raw-utils.h -- raw file format plug-in
* Copyright (C) 2016 Tobias Ellinghaus <me@houz.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <gdk/gdk.h>
#ifdef GDK_WINDOWING_QUARTZ
#include <CoreServices/CoreServices.h>
#endif
#ifdef GDK_WINDOWING_WIN32
#include <windows.h>
#endif
#include <libgimp/gimp.h>
#include "file-raw-utils.h"
gchar *
file_raw_get_executable_path (const gchar *main_executable,
const gchar *suffix,
const gchar *env_variable,
const gchar *mac_bundle_id,
const gchar *win32_registry_key_base,
gboolean *search_path)
{
/*
* First check for the environment variable.
* Next do platform specific checks (bundle lookup on Mac, registry stuff
* on Windows).
* Last resort is hoping for the executable to be in PATH.
*/
/*
* Look for env variable. That can be set directly or via an environ file.
* We assume that just appending the suffix to that value will work.
* That means that on Windows there should be no ".exe"!
*/
const gchar *dt_env = env_variable ? g_getenv (env_variable) : NULL;
if (dt_env)
return g_strconcat (dt_env, suffix, NULL);
#if defined (GDK_WINDOWING_QUARTZ)
if (mac_bundle_id)
{
CFStringRef bundle_id;
/* For macOS, attempt searching for an app bundle first. */
bundle_id = CFStringCreateWithCString (NULL, mac_bundle_id,
kCFStringEncodingUTF8);
if (bundle_id)
{
OSStatus status;
CFURLRef bundle_url = NULL;
status = LSFindApplicationForInfo (kLSUnknownCreator,
bundle_id, NULL, NULL,
&bundle_url);
if (status >= 0)
{
CFBundleRef bundle;
CFURLRef exec_url, absolute_url;
CFStringRef path;
gchar *ret;
CFIndex len;
bundle = CFBundleCreate (kCFAllocatorDefault, bundle_url);
CFRelease (bundle_url);
exec_url = CFBundleCopyExecutableURL (bundle);
absolute_url = CFURLCopyAbsoluteURL (exec_url);
path = CFURLCopyFileSystemPath (absolute_url, kCFURLPOSIXPathStyle);
/* This gets us the length in UTF16 characters, we multiply by 2
* to make sure we have a buffer big enough to fit the UTF8 string.
*/
len = CFStringGetLength (path);
ret = g_malloc0 (len * 2 * sizeof (gchar));
if (! CFStringGetCString (path, ret, 2 * len * sizeof (gchar),
kCFStringEncodingUTF8))
ret = NULL;
CFRelease (path);
CFRelease (absolute_url);
CFRelease (exec_url);
CFRelease (bundle);
if (ret)
return ret;
}
CFRelease (bundle_id);
}
/* else, app bundle was not found, try path search as last resort. */
}
#elif defined (GDK_WINDOWING_WIN32)
if (win32_registry_key_base)
{
/* Look for the application in the Windows registry. */
char *registry_key;
char path[MAX_PATH];
DWORD buffer_size = sizeof (path);
long status;
if (suffix)
registry_key = g_strconcat (win32_registry_key_base, suffix, ".exe", NULL);
else
registry_key = g_strconcat (win32_registry_key_base, ".exe", NULL);
/* Check HKCU first in case there is a user specific installation. */
status = RegGetValue (HKEY_CURRENT_USER, registry_key, "", RRF_RT_ANY,
NULL, (PVOID)&path, &buffer_size);
if (status != ERROR_SUCCESS)
status = RegGetValue (HKEY_LOCAL_MACHINE, registry_key, "", RRF_RT_ANY,
NULL, (PVOID)&path, &buffer_size);
g_free (registry_key);
if (status == ERROR_SUCCESS)
return g_strdup (path);
}
#endif
/* Finally, the last resort. */
*search_path = TRUE;
if (suffix)
return g_strconcat (main_executable, suffix, NULL);
return g_strdup (main_executable);
}
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