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1 | // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
2 | // file at the top-level directory of this distribution and at | |
3 | // http://rust-lang.org/COPYRIGHT. | |
4 | // | |
5 | // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or | |
6 | // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license | |
7 | // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your | |
8 | // option. This file may not be copied, modified, or distributed | |
9 | // except according to those terms. | |
10 | ||
11 | //! Item types. | |
12 | ||
13 | use std::fmt; | |
14 | use clean; | |
15 | ||
16 | /// Item type. Corresponds to `clean::ItemEnum` variants. | |
17 | /// | |
18 | /// The search index uses item types encoded as smaller numbers which equal to | |
19 | /// discriminants. JavaScript then is used to decode them into the original value. | |
20 | /// Consequently, every change to this type should be synchronized to | |
21 | /// the `itemTypes` mapping table in `static/main.js`. | |
22 | #[derive(Copy, PartialEq, Clone)] | |
23 | pub enum ItemType { | |
24 | Module = 0, | |
85aaf69f SL |
25 | ExternCrate = 1, |
26 | Import = 2, | |
27 | Struct = 3, | |
28 | Enum = 4, | |
29 | Function = 5, | |
30 | Typedef = 6, | |
31 | Static = 7, | |
32 | Trait = 8, | |
33 | Impl = 9, | |
34 | TyMethod = 10, | |
35 | Method = 11, | |
36 | StructField = 12, | |
37 | Variant = 13, | |
38 | Macro = 14, | |
39 | Primitive = 15, | |
40 | AssociatedType = 16, | |
41 | Constant = 17, | |
d9579d0f | 42 | AssociatedConst = 18, |
1a4d82fc JJ |
43 | } |
44 | ||
45 | impl ItemType { | |
46 | pub fn from_item(item: &clean::Item) -> ItemType { | |
54a0048b SL |
47 | let inner = match item.inner { |
48 | clean::StrippedItem(box ref item) => item, | |
49 | ref inner@_ => inner, | |
50 | }; | |
51 | ||
52 | match *inner { | |
1a4d82fc | 53 | clean::ModuleItem(..) => ItemType::Module, |
85aaf69f SL |
54 | clean::ExternCrateItem(..) => ItemType::ExternCrate, |
55 | clean::ImportItem(..) => ItemType::Import, | |
1a4d82fc JJ |
56 | clean::StructItem(..) => ItemType::Struct, |
57 | clean::EnumItem(..) => ItemType::Enum, | |
58 | clean::FunctionItem(..) => ItemType::Function, | |
59 | clean::TypedefItem(..) => ItemType::Typedef, | |
60 | clean::StaticItem(..) => ItemType::Static, | |
61 | clean::ConstantItem(..) => ItemType::Constant, | |
62 | clean::TraitItem(..) => ItemType::Trait, | |
63 | clean::ImplItem(..) => ItemType::Impl, | |
1a4d82fc JJ |
64 | clean::TyMethodItem(..) => ItemType::TyMethod, |
65 | clean::MethodItem(..) => ItemType::Method, | |
66 | clean::StructFieldItem(..) => ItemType::StructField, | |
67 | clean::VariantItem(..) => ItemType::Variant, | |
68 | clean::ForeignFunctionItem(..) => ItemType::Function, // no ForeignFunction | |
69 | clean::ForeignStaticItem(..) => ItemType::Static, // no ForeignStatic | |
70 | clean::MacroItem(..) => ItemType::Macro, | |
71 | clean::PrimitiveItem(..) => ItemType::Primitive, | |
d9579d0f | 72 | clean::AssociatedConstItem(..) => ItemType::AssociatedConst, |
1a4d82fc | 73 | clean::AssociatedTypeItem(..) => ItemType::AssociatedType, |
c34b1796 | 74 | clean::DefaultImplItem(..) => ItemType::Impl, |
54a0048b | 75 | clean::StrippedItem(..) => unreachable!(), |
1a4d82fc JJ |
76 | } |
77 | } | |
78 | ||
79 | pub fn from_type_kind(kind: clean::TypeKind) -> ItemType { | |
80 | match kind { | |
81 | clean::TypeStruct => ItemType::Struct, | |
82 | clean::TypeEnum => ItemType::Enum, | |
83 | clean::TypeFunction => ItemType::Function, | |
84 | clean::TypeTrait => ItemType::Trait, | |
85 | clean::TypeModule => ItemType::Module, | |
86 | clean::TypeStatic => ItemType::Static, | |
87 | clean::TypeConst => ItemType::Constant, | |
88 | clean::TypeVariant => ItemType::Variant, | |
89 | clean::TypeTypedef => ItemType::Typedef, | |
90 | } | |
91 | } | |
92 | ||
93 | pub fn to_static_str(&self) -> &'static str { | |
94 | match *self { | |
95 | ItemType::Module => "mod", | |
85aaf69f SL |
96 | ItemType::ExternCrate => "externcrate", |
97 | ItemType::Import => "import", | |
1a4d82fc JJ |
98 | ItemType::Struct => "struct", |
99 | ItemType::Enum => "enum", | |
100 | ItemType::Function => "fn", | |
101 | ItemType::Typedef => "type", | |
102 | ItemType::Static => "static", | |
103 | ItemType::Trait => "trait", | |
104 | ItemType::Impl => "impl", | |
1a4d82fc JJ |
105 | ItemType::TyMethod => "tymethod", |
106 | ItemType::Method => "method", | |
107 | ItemType::StructField => "structfield", | |
108 | ItemType::Variant => "variant", | |
109 | ItemType::Macro => "macro", | |
110 | ItemType::Primitive => "primitive", | |
111 | ItemType::AssociatedType => "associatedtype", | |
112 | ItemType::Constant => "constant", | |
d9579d0f | 113 | ItemType::AssociatedConst => "associatedconstant", |
1a4d82fc JJ |
114 | } |
115 | } | |
116 | } | |
117 | ||
85aaf69f | 118 | impl fmt::Display for ItemType { |
1a4d82fc JJ |
119 | fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { |
120 | self.to_static_str().fmt(f) | |
121 | } | |
122 | } |