3 files changed, 92 insertions, 0 deletions
diff --git a/vendor/annotate-snippets-0.8.0/src/stylesheets/color.rs b/vendor/annotate-snippets-0.8.0/src/stylesheets/color.rs
new file mode 100644
index 000000000..024dd06f6
--- /dev/null
+++ b/vendor/annotate-snippets-0.8.0/src/stylesheets/color.rs
@@ -0,0 +1,50 @@
+use std::fmt::{self, Display};
+
+use yansi_term::{Color::Fixed, Style as AnsiTermStyle};
+
+use crate::formatter::style::{Style, StyleClass, Stylesheet};
+
+struct AnsiTermStyleWrapper {
+    style: AnsiTermStyle,
+}
+
+impl Style for AnsiTermStyleWrapper {
+    fn paint(&self, text: &str, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        self.style.paint(text).fmt(f)
+    }
+
+    fn paint_fn<'a>(
+        &self,
+        c: Box<dyn FnOnce(&mut fmt::Formatter<'_>) -> fmt::Result + 'a>,
+        f: &mut fmt::Formatter<'_>,
+    ) -> fmt::Result {
+        self.style.paint_fn(c).fmt(f)
+    }
+
+    fn bold(&self) -> Box<dyn Style> {
+        Box::new(AnsiTermStyleWrapper { style: self.style })
+    }
+}
+
+pub struct AnsiTermStylesheet;
+
+impl Stylesheet for AnsiTermStylesheet {
+    fn get_style(&self, class: StyleClass) -> Box<dyn Style> {
+        let ansi_term_style = match class {
+            StyleClass::Error => Fixed(9).bold(),
+            StyleClass::Warning => Fixed(11).bold(),
+            StyleClass::Info => Fixed(12).bold(),
+            StyleClass::Note => AnsiTermStyle::new().bold(),
+            StyleClass::Help => Fixed(14).bold(),
+
+            StyleClass::LineNo => Fixed(12).bold(),
+
+            StyleClass::Emphasis => AnsiTermStyle::new().bold(),
+
+            StyleClass::None => AnsiTermStyle::new(),
+        };
+        Box::new(AnsiTermStyleWrapper {
+            style: ansi_term_style,
+        })
+    }
+}
diff --git a/vendor/annotate-snippets-0.8.0/src/stylesheets/mod.rs b/vendor/annotate-snippets-0.8.0/src/stylesheets/mod.rs
new file mode 100644
index 000000000..49f6ea04b
--- /dev/null
+++ b/vendor/annotate-snippets-0.8.0/src/stylesheets/mod.rs
@@ -0,0 +1,11 @@
+//! List of stylesheets that can be used by the `DisplayListFormatter`.
+//!
+//! The list depends on what optional dependencies the crate has been
+//! compiled with.
+//!
+//! By default the `no_color` is available. If the crate gets compiled
+//! with `ansi_term`, the `color` stylesheet is added.
+
+#[cfg(feature = "color")]
+pub mod color;
+pub mod no_color;
diff --git a/vendor/annotate-snippets-0.8.0/src/stylesheets/no_color.rs b/vendor/annotate-snippets-0.8.0/src/stylesheets/no_color.rs
new file mode 100644
index 000000000..21cb26955
--- /dev/null
+++ b/vendor/annotate-snippets-0.8.0/src/stylesheets/no_color.rs
@@ -0,0 +1,31 @@
+use std::fmt;
+
+use crate::formatter::style::{Style, StyleClass, Stylesheet};
+
+pub struct NoOpStyle {}
+
+impl Style for NoOpStyle {
+    fn paint(&self, text: &str, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        f.write_str(text)
+    }
+
+    fn paint_fn<'a>(
+        &self,
+        c: Box<dyn FnOnce(&mut fmt::Formatter<'_>) -> fmt::Result + 'a>,
+        f: &mut fmt::Formatter<'_>,
+    ) -> fmt::Result {
+        c(f)
+    }
+
+    fn bold(&self) -> Box<dyn Style> {
+        Box::new(NoOpStyle {})
+    }
+}
+
+pub struct NoColorStylesheet;
+
+impl Stylesheet for NoColorStylesheet {
+    fn get_style(&self, _class: StyleClass) -> Box<dyn Style> {
+        Box::new(NoOpStyle {})
+    }
+}