mirror of
https://github.com/neovim/neovim.git
synced 2026-02-05 12:01:22 +10:00
130 lines
3.8 KiB
C
130 lines
3.8 KiB
C
#include <stdbool.h>
|
|
|
|
#include "nvim/os/stdpaths_defs.h"
|
|
#include "nvim/os/os.h"
|
|
#include "nvim/path.h"
|
|
#include "nvim/memory.h"
|
|
#include "nvim/ascii.h"
|
|
|
|
/// Names of the environment variables, mapped to XDGVarType values
|
|
static const char *xdg_env_vars[] = {
|
|
[kXDGConfigHome] = "XDG_CONFIG_HOME",
|
|
[kXDGDataHome] = "XDG_DATA_HOME",
|
|
[kXDGCacheHome] = "XDG_CACHE_HOME",
|
|
[kXDGRuntimeDir] = "XDG_RUNTIME_DIR",
|
|
[kXDGConfigDirs] = "XDG_CONFIG_DIRS",
|
|
[kXDGDataDirs] = "XDG_DATA_DIRS",
|
|
};
|
|
|
|
/// Defaults for XDGVarType values
|
|
///
|
|
/// Used in case environment variables contain nothing. Need to be expanded.
|
|
static const char *const xdg_defaults[] = {
|
|
#ifdef WIN32
|
|
// Windows
|
|
[kXDGConfigHome] = "$LOCALAPPDATA",
|
|
[kXDGDataHome] = "$LOCALAPPDATA",
|
|
[kXDGCacheHome] = "$TEMP",
|
|
[kXDGRuntimeDir] = NULL,
|
|
[kXDGConfigDirs] = NULL,
|
|
[kXDGDataDirs] = NULL,
|
|
#else
|
|
// Linux, BSD, CYGWIN, Apple
|
|
[kXDGConfigHome] = "~/.config",
|
|
[kXDGDataHome] = "~/.local/share",
|
|
[kXDGCacheHome] = "~/.cache",
|
|
[kXDGRuntimeDir] = NULL,
|
|
[kXDGConfigDirs] = "/etc/xdg/",
|
|
[kXDGDataDirs] = "/usr/local/share/:/usr/share/",
|
|
#endif
|
|
};
|
|
|
|
/// Return XDG variable value
|
|
///
|
|
/// @param[in] idx XDG variable to use.
|
|
///
|
|
/// @return [allocated] variable value.
|
|
char *stdpaths_get_xdg_var(const XDGVarType idx)
|
|
FUNC_ATTR_WARN_UNUSED_RESULT
|
|
{
|
|
const char *const env = xdg_env_vars[idx];
|
|
const char *const fallback = xdg_defaults[idx];
|
|
|
|
const char *const env_val = os_getenv(env);
|
|
char *ret = NULL;
|
|
if (env_val != NULL) {
|
|
ret = xstrdup(env_val);
|
|
} else if (fallback) {
|
|
ret = (char *) expand_env_save((char_u *)fallback);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/// Return nvim-specific XDG directory subpath
|
|
///
|
|
/// @param[in] idx XDG directory to use.
|
|
///
|
|
/// @return [allocated] `{xdg_directory}/nvim`
|
|
///
|
|
/// In WIN32 get_xdg_home(kXDGDataHome) returns `{xdg_directory}/nvim-data` to
|
|
/// avoid storing configuration and data files in the same path.
|
|
static char *get_xdg_home(const XDGVarType idx)
|
|
FUNC_ATTR_WARN_UNUSED_RESULT
|
|
{
|
|
char *dir = stdpaths_get_xdg_var(idx);
|
|
if (dir) {
|
|
#if defined(WIN32)
|
|
dir = concat_fnames_realloc(dir,
|
|
(idx == kXDGDataHome ? "nvim-data" : "nvim"),
|
|
true);
|
|
#else
|
|
dir = concat_fnames_realloc(dir, "nvim", true);
|
|
#endif
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
/// Return subpath of $XDG_CONFIG_HOME
|
|
///
|
|
/// @param[in] fname New component of the path.
|
|
///
|
|
/// @return [allocated] `$XDG_CONFIG_HOME/nvim/{fname}`
|
|
char *stdpaths_user_conf_subpath(const char *fname)
|
|
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL FUNC_ATTR_NONNULL_RET
|
|
{
|
|
return concat_fnames_realloc(get_xdg_home(kXDGConfigHome), fname, true);
|
|
}
|
|
|
|
/// Return subpath of $XDG_DATA_HOME
|
|
///
|
|
/// @param[in] fname New component of the path.
|
|
/// @param[in] trailing_pathseps Amount of trailing path separators to add.
|
|
/// @param[in] escape_commas If true, all commas will be escaped.
|
|
///
|
|
/// @return [allocated] `$XDG_DATA_HOME/nvim/{fname}`.
|
|
char *stdpaths_user_data_subpath(const char *fname,
|
|
const size_t trailing_pathseps,
|
|
const bool escape_commas)
|
|
FUNC_ATTR_WARN_UNUSED_RESULT FUNC_ATTR_NONNULL_ALL FUNC_ATTR_NONNULL_RET
|
|
{
|
|
char *ret = concat_fnames_realloc(get_xdg_home(kXDGDataHome), fname, true);
|
|
const size_t len = strlen(ret);
|
|
const size_t numcommas = (escape_commas ? memcnt(ret, ',', len) : 0);
|
|
if (numcommas || trailing_pathseps) {
|
|
ret = xrealloc(ret, len + trailing_pathseps + numcommas + 1);
|
|
for (size_t i = 0 ; i < len + numcommas ; i++) {
|
|
if (ret[i] == ',') {
|
|
memmove(ret + i + 1, ret + i, len - i + numcommas);
|
|
ret[i] = '\\';
|
|
i++;
|
|
}
|
|
}
|
|
if (trailing_pathseps) {
|
|
memset(ret + len + numcommas, PATHSEP, trailing_pathseps);
|
|
}
|
|
ret[len + trailing_pathseps + numcommas] = NUL;
|
|
}
|
|
return ret;
|
|
}
|