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pub mod abstraction;
pub mod implem;
pub mod method;
#[cfg(not(feature = "fn-emilgardis"))]
const DEFAULT_FUNC: &'static str = " ";
#[cfg(feature = "fn-emilgardis")]
const DEFAULT_FUNC: &'static str = " fn ";
use self::abstraction::Abstract;
use self::implem::Implem;
use self::method::Method;
use super::relation::Relation;
use std::ops::BitOr;
use std::fmt;
use ::syntex_syntax::symbol::InternedString;
use ::syntex_syntax::{ptr, ast};
#[derive(Default, Debug, Clone, Eq, PartialEq)]
pub struct ItemState<'a> {
node: Abstract<'a>,
method: Vec<Method<'a>>,
implem: Vec<Implem>,
}
impl <'a> ItemState <'a> {
pub fn is_none(&self) -> bool {
self.node.eq(&Abstract::None)
}
pub fn is_association(&self, rhs: &ItemState<'a>) -> bool {
if let Some(ref name) = self.as_name() {
let ref ty_name: String = name.to_string();
rhs.method.iter()
.any(|func| func.is_association(ty_name))
.bitor(rhs.implem.iter()
.any(|implem| implem.is_association(&ty_name)))
} else {
false
}
}
pub fn is_dependency(&self, rhs: &ItemState<'a>) -> bool {
if let Some(ref name) = self.as_name() {
let ref ty_name: String = name.to_string();
rhs.method.iter()
.any(|method| method.is_dependency(&ty_name))
.bitor(self.implem.iter()
.any(|implem| implem.is_dependency(&ty_name)))
} else {
false
}
}
pub fn is_aggregation(&self, rhs: &ItemState<'a>) -> bool {
if let Some(ref name) = self.as_name() {
let mut ty_name_mut: String = String::from("*mut ");
let mut ty_name_const: String = String::from("*const ");
ty_name_mut.push_str(&name);
ty_name_const.push_str(&name);
rhs.node.into_iter()
.any(|attribut: &String|
attribut.split(|at| "<[(;,)]>".contains(at))
.any(|ty| ty_name_mut.eq(ty).bitor(ty_name_const.eq(ty))))
} else {
false
}
}
pub fn is_composition(&self, rhs: &ItemState<'a>) -> bool {
if let Some(ref name) = self.as_name() {
let ty_name: String = name.to_string();
rhs.node.into_iter()
.any(|attribut: &String|
attribut.split(|at| "<[(;,)]>".contains(at))
.any(|ty| ty.eq(&ty_name)))
} else {
false
}
}
pub fn is_realization(&self, rhs: &ItemState<'a>) -> bool {
if let Some(ref name) = self.as_name() {
let ty_name: String = name.to_string();
rhs.implem.iter()
.any(|implem| implem.is_realization(&ty_name))
} else {
false
}
}
pub fn is_relation(&self, rhs: &ItemState<'a>) -> bool {
self.is_association(rhs)
.bitor(self.is_dependency(rhs))
.bitor(self.is_aggregation(rhs))
.bitor(self.is_composition(rhs))
.bitor(self.is_realization(rhs))
}
pub fn as_name(&self) -> Option<&InternedString> {
self.node.as_name()
}
pub fn as_arrow(&self, rhs: &ItemState<'a>) -> Relation {
Relation::from((self, rhs))
}
}
impl <'a>From<(Abstract<'a>, Vec<&'a ptr::P<ast::Item>>)> for ItemState<'a> {
fn from((node, properties): (Abstract<'a>, Vec<&'a ptr::P<ast::Item>>)) -> ItemState<'a> {
ItemState {
node: node,
method: properties.iter()
.filter_map(|item: (&&'a ptr::P<ast::Item>)|
if let ast::ItemKind::Impl(_, _, _, None, _, ref impl_item) = item.node {
Some(Method::from(impl_item))
} else {
None
}
)
.collect::<Vec<Method>>(),
implem: properties.iter()
.filter_map(|item: (&&'a ptr::P<ast::Item>)|
if let ast::ItemKind::Impl(_, _, _, Some(ast::TraitRef {path: ast::Path {span: _, ref segments}, ..}), _, ref impl_item) = item.node {
Some(Implem::from((segments, impl_item)))
} else {
None
}
)
.collect::<Vec<Implem>>()
}
}
}
impl <'a>From<Vec<&'a ptr::P<ast::Item>>> for ItemState<'a> {
fn from(state: Vec<&'a ptr::P<ast::Item>>) -> ItemState<'a> {
state.split_first().and_then(|(ref item, properties): (&&'a ptr::P<ast::Item>, &[&'a ptr::P<ast::Item>])| {
match &item.node {
&ast::ItemKind::Trait(_, ast::Generics {lifetimes: _, ref ty_params, ..}, _, ref trait_item) => {
let kind: (&'a ast::Item, &'a Vec<ast::TyParam>, &'a Vec<ast::TraitItem>) = (item, ty_params, trait_item);
let kind: (Abstract, Vec<&'a ptr::P<ast::Item>>) = (Abstract::from(kind), properties.to_vec());
Some(ItemState::from(kind))
},
&ast::ItemKind::Struct(ast::VariantData::Struct(ref struct_field, _), ..) => {
let kind: (&'a ast::Item, &'a Vec<ast::StructField>) = (item, struct_field);
let kind: (Abstract, Vec<&'a ptr::P<ast::Item>>) = (Abstract::from(kind), properties.to_vec());
Some(ItemState::from(kind))
},
&ast::ItemKind::Enum(ast::EnumDef {ref variants}, ast::Generics {lifetimes: _, ref ty_params, ..}) => {
let kind: (&'a ast::Item, &'a Vec<ast::TyParam>, &'a Vec<ast::Variant>) = (item, ty_params, variants);
let kind: (Abstract, Vec<&'a ptr::P<ast::Item>>) = (Abstract::from(kind), properties.to_vec());
Some(ItemState::from(kind))
},
_ => None,
}
}).unwrap_or_default()
}
}
impl <'a>fmt::Display for ItemState<'a> {
#[cfg(feature = "implem")]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "{{{node}|{method}|{implem}}}",
node = self.node,
method = self.method.iter()
.map(|ref methods| format!("{}", methods))
.collect::<Vec<String>>().join("\n").as_str(),
implem = self.implem.iter()
.map(|ref implem| format!("{}", implem))
.collect::<Vec<String>>().join("\n").as_str())
}
#[cfg(not(feature = "implem"))]
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
if self.method.is_empty() {
write!(f, "{{{node}}}", node = self.node)
} else {
write!(f, "{{{node}|{method}}}",
node = self.node,
method = self.method.iter()
.map(|ref methods| format!("{}", methods))
.collect::<Vec<String>>().join("\n").as_str())
}
}
}