1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130

use std::{
	borrow::Cow,
	fmt,
};

use clang::{Entity, EntityKind, EntityVisitResult};

use crate::{
	Const,
	DefaultElement,
	Element,
	EntityElement,
	EntityExt,
	StrExt,
};

#[derive(Clone)]
pub struct Enum<'tu> {
	entity: Entity<'tu>,
	custom_fullname: Option<String>,
}

impl<'tu> Enum<'tu> {
	pub fn new(entity: Entity<'tu>) -> Self {
		Self { entity, custom_fullname: None }
	}

	pub fn new_ext(entity: Entity<'tu>, custom_fullname: String) -> Self {
		Self { entity, custom_fullname: Some(custom_fullname) }
	}

	pub fn as_typedefed(&self) -> Option<Entity> {
		if self.entity.get_kind() == EntityKind::TypedefDecl {
			let mut child = None;
			self.entity.walk_children_while(|c| {
				child = Some(c);
				false
			});
			Some(child.expect("Invalid anonymous typedefed enum"))
		} else {
			None
		}
	}

	pub fn consts(&self) -> Vec<Const> {
		let mut out = vec![];
		self.as_typedefed().unwrap_or(self.entity).visit_children(|const_decl, _| {
			if const_decl.get_kind() == EntityKind::EnumConstantDecl {
				out.push(Const::new(const_decl));
			}
			EntityVisitResult::Continue
		});
		out
	}
}

impl<'tu> EntityElement<'tu> for Enum<'tu> {
	fn entity(&self) -> Entity<'tu> {
		self.entity
	}
}

impl Element for Enum<'_> {
	fn is_system(&self) -> bool {
		DefaultElement::is_system(self)
	}

	fn is_public(&self) -> bool {
		DefaultElement::is_public(self)
	}

	fn usr(&self) -> Cow<str> {
		DefaultElement::usr(self)
	}

	fn rendered_doc_comment_with_prefix(&self, prefix: &str, opencv_version: &str) -> String {
		DefaultElement::rendered_doc_comment_with_prefix(self, prefix, opencv_version)
	}

	fn cpp_namespace(&self) -> Cow<str> {
		if self.custom_fullname.is_some() {
			self.cpp_fullname().namespace().to_string().into()
		} else {
			DefaultElement::cpp_namespace(self)
		}
	}

	fn cpp_localname(&self) -> Cow<str> {
		if self.custom_fullname.is_some() {
			self.cpp_fullname().localname().to_string().into()
		} else {
			DefaultElement::cpp_localname(self)
		}
	}

	fn cpp_fullname(&self) -> Cow<str> {
		if let Some(custom_fullname) = &self.custom_fullname {
			custom_fullname.into()
		} else {
			DefaultElement::cpp_fullname(self)
		}
	}

	fn rust_module(&self) -> Cow<str> {
		DefaultElement::rust_module(self)
	}

	fn rust_leafname(&self) -> Cow<str> {
		self.cpp_localname()
	}

	fn rust_localname(&self) -> Cow<str> {
		DefaultElement::rust_localname(self)
	}
}

impl fmt::Display for Enum<'_> {
	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
		write!(f, "{}", self.entity.get_display_name().unwrap_or_else(|| "unnamed".to_string()))
	}
}

impl fmt::Debug for Enum<'_> {
	fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
		let mut debug_struct = f.debug_struct("Enum");
		self.update_debug_struct(&mut debug_struct)
			.field("consts", &self.consts())
			.finish()
	}
}