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Convert variable_is_colon_delimited_var to a const array

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ridiculousfish 2018-01-30 13:31:36 -08:00
parent 39a02f8ead
commit 3d1975c6a6
1 changed files with 18 additions and 13 deletions
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31
src/env.cpp
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@ -103,11 +103,6 @@ static const wcstring_list_t locale_variables({L"LANG", L"LANGUAGE", L"LC_ALL",
/// subsystem.
static const wcstring_list_t curses_variables({L"TERM", L"TERMINFO", L"TERMINFO_DIRS"});
/// List of "path" like variable names that need special handling. This includes automatic
/// splitting and joining on import/export. As well as replacing empty elements, which implicitly
/// refer to the CWD, with an explicit '.' in the case of PATH and CDPATH.
static const wcstring_list_t colon_delimited_variable({L"PATH", L"MANPATH", L"CDPATH"});
// Some forward declarations to make it easy to logically group the code.
static void init_locale();
static void init_curses();
@ -315,6 +310,7 @@ static env_universal_t *uvars() { return s_universal_variables; }
// Helper class for storing constant strings, without needing to wrap them in a wcstring.
// Comparer for const string set.
// Note our sets are small so we don't bother to sort them.
typedef std::unordered_set<wcstring> const_string_set_t;
// A typedef for a set of constant strings. Note our sets are typically on the order of 6 elements,
@ -337,6 +333,22 @@ static bool is_read_only(const wchar_t *val) {
static bool is_read_only(const wcstring &val) { return is_read_only(val.c_str()); }
// Here is the whitelist of variables that we colon-delimit, both incoming from the environment and
// outgoing back to it. This is deliberately very short - we don't want to add language-specific
// values like CLASSPATH.
static const string_set_t colon_delimited_variable = {L"PATH", L"CDPATH", L"MANPATH"};
static bool variable_is_colon_delimited_var(const wchar_t *str) {
/// List of "path" like variable names that need special handling. This includes automatic
/// splitting and joining on import/export. As well as replacing empty elements, which
/// implicitly refer to the CWD, with an explicit '.' in the case of PATH and CDPATH. Note this
/// is sorted
return string_set_contains(colon_delimited_variable, str);
}
static bool variable_is_colon_delimited_var(const wcstring &str) {
return variable_is_colon_delimited_var(str.c_str());
}
/// Table of variables whose value is dynamically calculated, such as umask, status, etc.
static const_string_set_t env_electric;
@ -552,7 +564,7 @@ static bool initialize_curses_using_fallback(const char *term) {
/// Ensure the content of the magic path env vars is reasonable. Specifically, that empty path
/// elements are converted to explicit "." to make the vars easier to use in fish scripts.
static void init_path_vars() {
for (const auto &var_name : colon_delimited_variable) {
for (const wchar_t *var_name : colon_delimited_variable) {
fix_colon_delimited_var(var_name);
}
}
@ -598,13 +610,6 @@ static void init_curses() {
curses_initialized = true;
}
// Here is the whitelist of variables that we colon-delimit, both incoming from the environment and
// outgoing back to it. This is deliberately very short - we don't want to add language-specific
// values like CLASSPATH.
static bool variable_is_colon_delimited_var(const wcstring &str) {
return contains(colon_delimited_variable, str);
}
/// React to modifying the given variable.
static void react_to_variable_change(const wchar_t *op, const wcstring &key) {
// Don't do any of this until `env_init()` has run. We only want to do this in response to