const var_entry_t *env_node_t::find_entry(const wcstring &key) {
const var_entry_t *result = NULL;
var_table_t::const_iterator where = env.find(key);
if (where != env.end()) {
result = &where->second;
}
return result;
}
/// Function used with to insert keys of one table into a set::set<wcstring>.
static void add_key_to_string_set(const var_table_t &envs, std::set<wcstring> *str_set,
bool show_exported, bool show_unexported) {
var_table_t::const_iterator iter;
for (iter = envs.begin(); iter != envs.end(); ++iter) {
const var_entry_t &e = iter->second;
if ((e.exportv && show_exported) || (!e.exportv && show_unexported)) {
// Insert this key.
str_set->insert(iter->first);
}
}
}
/**
Function used with to insert keys of one table into a set::set<wcstring>
*/
static void add_key_to_string_set(const var_table_t &envs, std::set<wcstring> &strSet)
{
var_table_t::const_iterator iter;
for (iter = envs.begin(); iter != envs.end(); ++iter)
{
var_entry_t *e = iter->second;
if( ( e->exportv && get_names_show_exported) ||
( !e->exportv && get_names_show_unexported) )
{
/*Insert Key*/
strSet.insert(iter->first);
}
}
}
/* Given a variable table, generate callbacks representing the difference between our vars and the new vars */
void env_universal_t::generate_callbacks(const var_table_t &new_vars, callback_data_list_t *callbacks) const
{
assert(callbacks != NULL);
/* Construct callbacks for erased values */
for (var_table_t::const_iterator iter = this->vars.begin(); iter != this->vars.end(); ++iter)
{
const wcstring &key = iter->first;
/* Skip modified values */
if (this->modified.find(key) != this->modified.end())
{
continue;
}
/* If the value is not present in new_vars, it has been erased */
if (new_vars.find(key) == new_vars.end())
{
callbacks->push_back(callback_data_t(ERASE, key, L""));
}
}
/* Construct callbacks for newly inserted or changed values */
for (var_table_t::const_iterator iter = new_vars.begin(); iter != new_vars.end(); ++iter)
{
const wcstring &key = iter->first;
/* Skip modified values */
if (this->modified.find(key) != this->modified.end())
{
continue;
}
/* See if the value has changed */
const var_entry_t &new_entry = iter->second;
var_table_t::const_iterator existing = this->vars.find(key);
if (existing == this->vars.end() || existing->second.exportv != new_entry.exportv || existing->second.val != new_entry.val)
{
/* Value has changed */
callbacks->push_back(callback_data_t(new_entry.exportv ? SET_EXPORT : SET, key, new_entry.val));
}
}
}
