godot/core/doc_data.cpp

/**************************************************************************/
/*  doc_data.cpp                                                          */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
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/* included in all copies or substantial portions of the Software.        */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
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#include "doc_data.h"

String DocData::get_default_value_string(const Variant &p_value) {
	if (p_value.get_type() == Variant::ARRAY) {
		return Variant(Array(p_value, 0, StringName(), Variant())).get_construct_string().replace("\n", " ");
	} else if (p_value.get_type() == Variant::DICTIONARY) {
		return Variant(Dictionary(p_value, 0, StringName(), Variant(), 0, StringName(), Variant())).get_construct_string().replace("\n", " ");
	} else {
		return p_value.get_construct_string().replace("\n", " ");
	}
}

void DocData::return_doc_from_retinfo(DocData::MethodDoc &p_method, const PropertyInfo &p_retinfo) {
	if (p_retinfo.type == Variant::INT && p_retinfo.hint == PROPERTY_HINT_INT_IS_POINTER) {
		p_method.return_type = p_retinfo.hint_string;
		if (p_method.return_type.is_empty()) {
			p_method.return_type = "void*";
		} else {
			p_method.return_type += "*";
		}
	} else if (p_retinfo.type == Variant::INT && p_retinfo.usage & (PROPERTY_USAGE_CLASS_IS_ENUM | PROPERTY_USAGE_CLASS_IS_BITFIELD)) {
		p_method.return_enum = p_retinfo.class_name;
		if (p_method.return_enum.begins_with("_")) { //proxy class
			p_method.return_enum = p_method.return_enum.substr(1, p_method.return_enum.length());
		}
		p_method.return_is_bitfield = p_retinfo.usage & PROPERTY_USAGE_CLASS_IS_BITFIELD;
		p_method.return_type = "int";
	} else if (p_retinfo.class_name != StringName()) {
		p_method.return_type = p_retinfo.class_name;
	} else if (p_retinfo.type == Variant::ARRAY && p_retinfo.hint == PROPERTY_HINT_ARRAY_TYPE) {
		p_method.return_type = p_retinfo.hint_string + "[]";
	} else if (p_retinfo.type == Variant::DICTIONARY && p_retinfo.hint == PROPERTY_HINT_DICTIONARY_TYPE) {
		p_method.return_type = "Dictionary[" + p_retinfo.hint_string.replace(";", ", ") + "]";
	} else if (p_retinfo.hint == PROPERTY_HINT_RESOURCE_TYPE) {
		p_method.return_type = p_retinfo.hint_string;
	} else if (p_retinfo.type == Variant::NIL && p_retinfo.usage & PROPERTY_USAGE_NIL_IS_VARIANT) {
		p_method.return_type = "Variant";
	} else if (p_retinfo.type == Variant::NIL) {
		p_method.return_type = "void";
	} else {
		p_method.return_type = Variant::get_type_name(p_retinfo.type);
	}
}

void DocData::argument_doc_from_arginfo(DocData::ArgumentDoc &p_argument, const PropertyInfo &p_arginfo) {
	p_argument.name = p_arginfo.name;

	if (p_arginfo.type == Variant::INT && p_arginfo.hint == PROPERTY_HINT_INT_IS_POINTER) {
		p_argument.type = p_arginfo.hint_string;
		if (p_argument.type.is_empty()) {
			p_argument.type = "void*";
		} else {
			p_argument.type += "*";
		}
	} else if (p_arginfo.type == Variant::INT && p_arginfo.usage & (PROPERTY_USAGE_CLASS_IS_ENUM | PROPERTY_USAGE_CLASS_IS_BITFIELD)) {
		p_argument.enumeration = p_arginfo.class_name;
		if (p_argument.enumeration.begins_with("_")) { //proxy class
			p_argument.enumeration = p_argument.enumeration.substr(1, p_argument.enumeration.length());
		}
		p_argument.is_bitfield = p_arginfo.usage & PROPERTY_USAGE_CLASS_IS_BITFIELD;
		p_argument.type = "int";
	} else if (p_arginfo.class_name != StringName()) {
		p_argument.type = p_arginfo.class_name;
	} else if (p_arginfo.type == Variant::ARRAY && p_arginfo.hint == PROPERTY_HINT_ARRAY_TYPE) {
		p_argument.type = p_arginfo.hint_string + "[]";
	} else if (p_arginfo.type == Variant::DICTIONARY && p_arginfo.hint == PROPERTY_HINT_DICTIONARY_TYPE) {
		p_argument.type = "Dictionary[" + p_arginfo.hint_string.replace(";", ", ") + "]";
	} else if (p_arginfo.hint == PROPERTY_HINT_RESOURCE_TYPE) {
		p_argument.type = p_arginfo.hint_string;
	} else if (p_arginfo.type == Variant::NIL) {
		// Parameters cannot be void, so PROPERTY_USAGE_NIL_IS_VARIANT is not necessary
		p_argument.type = "Variant";
	} else {
		p_argument.type = Variant::get_type_name(p_arginfo.type);
	}
}

void DocData::property_doc_from_scriptmemberinfo(DocData::PropertyDoc &p_property, const ScriptMemberInfo &p_memberinfo) {
	p_property.name = p_memberinfo.propinfo.name;
	p_property.description = p_memberinfo.doc_string;

	if (p_memberinfo.propinfo.type == Variant::OBJECT) {
		p_property.type = p_memberinfo.propinfo.class_name;
	} else if (p_memberinfo.propinfo.type == Variant::NIL && p_memberinfo.propinfo.usage & PROPERTY_USAGE_NIL_IS_VARIANT) {
		p_property.type = "Variant";
	} else {
		p_property.type = Variant::get_type_name(p_memberinfo.propinfo.type);
	}

	p_property.setter = p_memberinfo.setter;
	p_property.getter = p_memberinfo.getter;

	if (p_memberinfo.has_default_value && p_memberinfo.default_value.get_type() != Variant::OBJECT) {
		p_property.default_value = get_default_value_string(p_memberinfo.default_value);
	}

	p_property.overridden = false;
}

void DocData::method_doc_from_methodinfo(DocData::MethodDoc &p_method, const MethodInfo &p_methodinfo, const String &p_desc) {
	p_method.name = p_methodinfo.name;
	p_method.description = p_desc;

	if (p_methodinfo.flags & METHOD_FLAG_VIRTUAL) {
		p_method.qualifiers = "virtual";
	}

	if (p_methodinfo.flags & METHOD_FLAG_CONST) {
		if (!p_method.qualifiers.is_empty()) {
			p_method.qualifiers += " ";
		}
		p_method.qualifiers += "const";
	}

	if (p_methodinfo.flags & METHOD_FLAG_VARARG) {
		if (!p_method.qualifiers.is_empty()) {
			p_method.qualifiers += " ";
		}
		p_method.qualifiers += "vararg";
	}

	if (p_methodinfo.flags & METHOD_FLAG_STATIC) {
		if (!p_method.qualifiers.is_empty()) {
			p_method.qualifiers += " ";
		}
		p_method.qualifiers += "static";
	}

	return_doc_from_retinfo(p_method, p_methodinfo.return_val);

	int i = 0;
	for (List<PropertyInfo>::ConstIterator itr = p_methodinfo.arguments.begin(); itr != p_methodinfo.arguments.end(); ++itr, ++i) {
		DocData::ArgumentDoc argument;
		argument_doc_from_arginfo(argument, *itr);
		int default_arg_index = i - (p_methodinfo.arguments.size() - p_methodinfo.default_arguments.size());
		if (default_arg_index >= 0) {
			Variant default_arg = p_methodinfo.default_arguments[default_arg_index];
			argument.default_value = get_default_value_string(default_arg);
		}
		p_method.arguments.push_back(argument);
	}
}

void DocData::constant_doc_from_variant(DocData::ConstantDoc &p_const, const StringName &p_name, const Variant &p_value, const String &p_desc) {
	p_const.name = p_name;
	p_const.value = p_value;
	p_const.is_value_valid = (p_value.get_type() != Variant::OBJECT);
	p_const.description = p_desc;
}

void DocData::signal_doc_from_methodinfo(DocData::MethodDoc &p_signal, const MethodInfo &p_methodinfo, const String &p_desc) {
	return method_doc_from_methodinfo(p_signal, p_methodinfo, p_desc);
}