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

//! Showcase for `embed-doc-image`.
//!
// Important: note the blank line of documentation on each side of the image lookup table.
// The "image lookup table" can be placed anywhere, but we place it here together with the
// warning if the `doc-images` feature is not enabled.
#![cfg_attr(feature = "doc-images",
cfg_attr(all(),
doc = ::embed_doc_image::embed_image!("ferris", "images/rustacean-orig-noshadow-tiny.png"),
doc = ::embed_doc_image::embed_image!("ferris-gesture", "images/rustacean-flat-gesture-tiny.png"),
doc = ::embed_doc_image::embed_image!("dancing-ferris", "images/dancing-ferris-tiny.gif"),
doc = ::embed_doc_image::embed_image!("corro", "images/corro.svg")))]
#![cfg_attr(
    not(feature = "doc-images"),
    doc = "**Doc images not enabled**. Compile with feature `doc-images` and Rust version >= 1.54 \
           to enable."
)]
//!
//! This crate contains no functionality, it is merely a demonstration of how to use
//! `embed-doc-image` to embed images local to the repository that work across both
//! [docs.rs](https://docs.rs) and
//! local documentation. The motivation for this crate is
//! [rustdoc's inability to include local images](https://github.com/rust-lang/rust/issues/32104)
//! in a way that consistently works across local copies of the repository and `docs.rs`.
//!
//! See the documentation for more information. In addition, you are encouraged to browse the
//! source code for this showcase crate to see a fleshed out example of how the solution works.
//!
//! In addition to serving as a showcase, this crate is used to verify that the solution indeed
//! works across both local installations and `docs.rs`.
//! This is necessary because a proc macro crate cannot use its own macros in its own documentation.
//!
//! `embed-doc-image` should work across the usual web-supported file types
//! (jpg, png, svg, gif, bmp). If you find that it does not work with your files, please
//! file an issue.
//!
//! The below Ferris images are courtesy of [rustacean.net](https://rustacean.net).
//!
//! ![Original Ferris][ferris]
//!
//! ![Ferris making gesture][ferris-gesture]
//!
//! ![Corro][corro]
//!
//! ![Dancing Ferris][dancing-ferris]
//!
use embed_doc_image::embed_doc_image;

/// Test that images render in function docs.
///
/// ![Original Ferris][ferris] ![Ferris makes gesture][ferris-gesture]
///
/// Some more docs.
///
/// ![Corro][corro] ![Dancing Ferris][dancing-ferris]
#[embed_doc_image("ferris", "images/rustacean-orig-noshadow-tiny.png")]
#[embed_doc_image("ferris-gesture", "images/rustacean-flat-gesture-tiny.png")]
#[embed_doc_image("dancing-ferris", "images/dancing-ferris-tiny.gif")]
#[embed_doc_image("corro", "images/corro.svg")]
pub fn function_docs_work() {}

/// Test that images render in module docs.
///
/// ![Original Ferris][ferris] ![Ferris makes gesture][ferris-gesture]
///
/// Some more docs.
///
/// ![Corro][corro] ![Dancing Ferris][dancing-ferris]
#[embed_doc_image("ferris", "images/rustacean-orig-noshadow-tiny.png")]
#[embed_doc_image("ferris-gesture", "images/rustacean-flat-gesture-tiny.png")]
#[embed_doc_image("dancing-ferris", "images/dancing-ferris-tiny.gif")]
#[embed_doc_image("corro", "images/corro.svg")]
pub mod module_docs_work {}

/// Test that images render in macro docs.
///
/// ![Original Ferris][ferris] ![Ferris makes gesture][ferris-gesture]
///
/// Some more docs.
///
/// ![Corro][corro] ![Dancing Ferris][dancing-ferris]
#[embed_doc_image("ferris", "images/rustacean-orig-noshadow-tiny.png")]
#[embed_doc_image("ferris-gesture", "images/rustacean-flat-gesture-tiny.png")]
#[embed_doc_image("dancing-ferris", "images/dancing-ferris-tiny.gif")]
#[embed_doc_image("corro", "images/corro.svg")]
#[macro_export]
macro_rules! macro_docs_work {
    () => {};
}

/// Test that images render in struct docs.
///
/// ![Original Ferris][ferris] ![Ferris makes gesture][ferris-gesture]
///
/// Some more docs.
///
/// ![Corro][corro] ![Dancing Ferris][dancing-ferris]
#[embed_doc_image("ferris", "images/rustacean-orig-noshadow-tiny.png")]
#[embed_doc_image("ferris-gesture", "images/rustacean-flat-gesture-tiny.png")]
#[embed_doc_image("dancing-ferris", "images/dancing-ferris-tiny.gif")]
#[embed_doc_image("corro", "images/corro.svg")]
pub struct StructDocsWork {}

/// Test that images render in trait docs.
///
/// ![Original Ferris][ferris] ![Ferris makes gesture][ferris-gesture]
///
/// Some more docs.
///
/// ![Corro][corro] ![Dancing Ferris][dancing-ferris]
#[embed_doc_image("ferris", "images/rustacean-orig-noshadow-tiny.png")]
#[embed_doc_image("ferris-gesture", "images/rustacean-flat-gesture-tiny.png")]
#[embed_doc_image("dancing-ferris", "images/dancing-ferris-tiny.gif")]
#[embed_doc_image("corro", "images/corro.svg")]
pub trait TraitDocsWork {}

/// Test that images render in type docs.
///
/// ![Original Ferris][ferris] ![Ferris makes gesture][ferris-gesture]
///
/// Some more docs.
///
/// ![Corro][corro] ![Dancing Ferris][dancing-ferris]
#[embed_doc_image("ferris", "images/rustacean-orig-noshadow-tiny.png")]
#[embed_doc_image("ferris-gesture", "images/rustacean-flat-gesture-tiny.png")]
#[embed_doc_image("dancing-ferris", "images/dancing-ferris-tiny.gif")]
#[embed_doc_image("corro", "images/corro.svg")]
pub type TypeAliasDocsWork = f64;