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/*!
Learn more about Rust for Windows here: <https://github.com/microsoft/windows-rs>
*/
mod classes;
mod com_methods;
mod constants;
mod delegates;
mod enums;
mod extensions;
mod functions;
mod gen;
mod handles;
mod implements;
mod interfaces;
mod iterators;
mod method_names;
mod standalone;
mod structs;
mod try_format;
mod winrt_methods;
use metadata::reader::*;
use method_names::*;
pub use standalone::*;
use std::collections::*;
use std::fmt::Write;
use tokens::*;
use try_format::*;
#[doc(hidden)]
pub use gen::*;
#[doc(hidden)]
pub fn namespace(gen: &Gen, tree: &Tree) -> String {
let mut tokens = TokenStream::new();
if tree.namespace == "Windows" || !tree.namespace.starts_with("Windows.") {
tokens.combine(&allow());
}
for (name, tree) in &tree.nested {
let name = to_ident(name);
let namespace = tree.namespace[tree.namespace.find('.').unwrap() + 1..].replace('.', "_");
if !gen.component {
tokens.combine("e! { #[cfg(feature = #namespace)] });
}
tokens.combine("e! { pub mod #name; });
}
let mut functions = BTreeMap::<&str, TokenStream>::new();
let mut types = BTreeMap::<TypeKind, BTreeMap<&str, TokenStream>>::new();
for method in gen.reader.namespace_functions(tree.namespace) {
let name = gen.reader.method_def_name(method);
functions
.entry(name)
.or_default()
.combine(&functions::gen(gen, method));
}
for field in gen.reader.namespace_constants(tree.namespace) {
let name = gen.reader.field_name(field);
types
.entry(TypeKind::Class)
.or_default()
.entry(name)
.or_default()
.combine(&constants::gen(gen, field));
}
for def in gen
.reader
.namespace_types(tree.namespace, &Default::default())
{
let type_name = gen.reader.type_def_type_name(def);
if REMAP_TYPES.iter().any(|(x, _)| x == &type_name) {
continue;
}
if CORE_TYPES.iter().any(|(x, _)| x == &type_name) {
continue;
}
let name = type_name.name;
let kind = gen.reader.type_def_kind(def);
match kind {
TypeKind::Class => {
if gen
.reader
.type_def_flags(def)
.contains(TypeAttributes::WINRT)
{
types
.entry(kind)
.or_default()
.insert(name, classes::gen(gen, def));
}
}
TypeKind::Interface => types
.entry(kind)
.or_default()
.entry(name)
.or_default()
.combine(&interfaces::gen(gen, def)),
TypeKind::Enum => types
.entry(kind)
.or_default()
.entry(name)
.or_default()
.combine(&enums::gen(gen, def)),
TypeKind::Struct => {
if gen.reader.type_def_fields(def).next().is_none() {
if let Some(guid) = gen.reader.type_def_guid(def) {
let ident = to_ident(name);
let value = gen.guid(&guid);
let guid = gen.type_name(&Type::GUID);
let cfg = gen.reader.type_def_cfg(def, &[]);
let doc = gen.cfg_doc(&cfg);
let constant = quote! {
#doc
pub const #ident: #guid = #value;
};
types
.entry(TypeKind::Class)
.or_default()
.entry(name)
.or_default()
.combine(&constant);
continue;
}
}
types
.entry(kind)
.or_default()
.entry(name)
.or_default()
.combine(&structs::gen(gen, def));
}
TypeKind::Delegate => types
.entry(kind)
.or_default()
.entry(name)
.or_default()
.combine(&delegates::gen(gen, def)),
}
}
for function in functions.values() {
tokens.combine(function);
}
for ty in types.values().flat_map(|v| v.values()) {
tokens.combine(ty);
}
tokens.combine(&extensions::gen_mod(gen, tree.namespace));
try_format(tokens.into_string())
}
#[doc(hidden)]
pub fn namespace_impl(gen: &Gen, tree: &Tree) -> String {
let mut types = BTreeMap::<&str, TokenStream>::new();
for def in gen
.reader
.namespace_types(tree.namespace, &Default::default())
{
let type_name = gen.reader.type_def_type_name(def);
if CORE_TYPES.iter().any(|(x, _)| x == &type_name) {
continue;
}
if gen.reader.type_def_kind(def) != TypeKind::Interface {
continue;
}
let tokens = implements::gen(gen, def);
if !tokens.is_empty() {
types.insert(type_name.name, tokens);
}
}
let types = types.values();
let mut tokens = quote! {
#(#types)*
};
tokens.combine(&extensions::gen_impl(tree.namespace));
try_format(tokens.into_string())
}
/// Generates bindings for a specific component namespace.
pub fn component(namespace: &str, files: &[File]) -> String {
let reader = &Reader::new(files);
let tree = reader.tree(namespace, &Default::default());
let mut gen = Gen::new(reader);
gen.namespace = tree.namespace;
gen.component = true;
let mut bindings = crate::namespace(&gen, &tree);
bindings.push_str(&namespace_impl(&gen, &tree));
try_format(bindings)
}
fn allow() -> TokenStream {
quote! {
#![allow(non_snake_case, non_upper_case_globals, non_camel_case_types, dead_code, clippy::all)]
}
}
/// Expand a possibly empty generics list with a new generic
fn expand_generics(generics: TokenStream, new: TokenStream) -> TokenStream {
if generics.is_empty() {
quote!(#new)
} else {
quote!(#generics, #new)
}
}
/// Expand a possibly emppty where clause with a new generic constraint
fn expand_where_clause(where_clause: TokenStream, generic: TokenStream) -> TokenStream {
if where_clause.is_empty() {
quote!(where #generic)
} else {
quote!(#where_clause #generic)
}
}
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