historical/toontown-classic.git/panda/include/configVariableBase.I
2024-01-16 11:20:27 -06:00

172 lines
4.6 KiB
Text

/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file configVariableBase.I
* @author drose
* @date 2004-10-21
*/
/**
* This constructor is only intended to be called from a specialized
* ConfigVariableFoo derived class.
*/
INLINE ConfigVariableBase::
ConfigVariableBase(const std::string &name,
ConfigVariableBase::ValueType value_type) :
_core(ConfigVariableManager::get_global_ptr()->make_variable(name))
{
if (value_type != VT_undefined) {
_core->set_value_type(value_type);
}
}
/**
*
*/
INLINE ConfigVariableBase::
~ConfigVariableBase() {
}
/**
* Returns the name of the variable.
*/
INLINE const std::string &ConfigVariableBase::
get_name() const {
nassertr(_core != nullptr, *new std::string());
return _core->get_name();
}
/**
* Returns the stated type of this variable. This should be VT_list, unless a
* later variable declaration has changed it.
*/
INLINE ConfigVariableBase::ValueType ConfigVariableBase::
get_value_type() const {
nassertr(_core != nullptr, VT_undefined);
return _core->get_value_type();
}
/**
* Returns the brief description of this variable, if it has been defined.
*/
INLINE const std::string &ConfigVariableBase::
get_description() const {
nassertr(_core != nullptr, *new std::string());
return _core->get_description();
}
/**
* Returns the flags value as set by set_flags(). This includes the trust
* level and some other settings. See the individual methods is_closed(),
* get_trust_level(), etc. to pull out the semantic meaning of these flags
* individually.
*/
INLINE int ConfigVariableBase::
get_flags() const {
nassertr(_core != nullptr, 0);
return _core->get_flags();
}
/**
* Returns true if the variable is not trusted by any prc file (and hence
* cannot be modified from its compiled-in default value), or false for the
* normal case, in which the variable can be modified by any prc file at or
* above its trust level (see get_trust_level()).
*
* This value only has effect in a release build (specifically, when
* PRC_RESPECT_TRUST_LEVEL is defined true in Config.pp).
*/
INLINE bool ConfigVariableBase::
is_closed() const {
nassertr(_core != nullptr, false);
return _core->is_closed();
}
/**
* Returns the minimum trust_level a prc file must demonstrate in order to
* redefine the value for this variable. Arguably, this should be called the
* "mistrust level", since the larger the value, the more suspicious we are of
* prc files. This value is not used if is_closed() returns true, which
* indicates no file may be trusted.
*
* This value only has effect in a release build (specifically, when
* PRC_RESPECT_TRUST_LEVEL is defined true in Config.pp).
*/
INLINE int ConfigVariableBase::
get_trust_level() const {
nassertr(_core != nullptr, 0);
return _core->get_trust_level();
}
/**
* Returns true if the variable was indicated as "dynamic" by its constructor,
* indicating that its name was dynamically generated, possibly from a large
* pool, and it should not be listed along with the other variables.
*/
INLINE bool ConfigVariableBase::
is_dynamic() const {
nassertr(_core != nullptr, false);
return _core->is_dynamic();
}
/**
* Removes the local value defined for this variable, and allows its value to
* be once again retrieved from the .prc files.
*
* Returns true if the value was successfully removed, false if it did not
* exist in the first place.
*/
INLINE bool ConfigVariableBase::
clear_local_value() {
nassertr(_core != nullptr, false);
return _core->clear_local_value();
}
/**
* Returns true if this variable's value has been shadowed by a local
* assignment (as created via make_local_value()), or false otherwise.
*/
INLINE bool ConfigVariableBase::
has_local_value() const {
nassertr(_core != nullptr, false);
return _core->has_local_value();
}
/**
* Returns true if this variable has an explicit value, either from a prc file
* or locally set, or false if variable has its default value.
*/
INLINE bool ConfigVariableBase::
has_value() const {
nassertr(_core != nullptr, false);
return _core->has_value();
}
/**
*
*/
INLINE void ConfigVariableBase::
output(std::ostream &out) const {
nassertv(_core != nullptr);
_core->output(out);
}
/**
*
*/
INLINE void ConfigVariableBase::
write(std::ostream &out) const {
nassertv(_core != nullptr);
_core->write(out);
}
INLINE std::ostream &
operator << (std::ostream &out, const ConfigVariableBase &variable) {
variable.output(out);
return out;
}