Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/vendor/tinystr/src/tinystrauto.rs b/vendor/tinystr/src/tinystrauto.rs
new file mode 100644
index 000000000..9e2387cc1
--- /dev/null
+++ b/vendor/tinystr/src/tinystrauto.rs
@@ -0,0 +1,72 @@
+use std::fmt;
+use std::ops::Deref;
+use std::str::FromStr;
+
+use crate::helpers::String;
+use crate::Error;
+use crate::TinyStr16;
+
+/// An ASCII string that is tiny when <= 16 chars and a String otherwise.
+///
+/// # Examples
+///
+/// ```
+/// use tinystr::TinyStrAuto;
+///
+/// let s1: TinyStrAuto = "Testing".parse()
+///     .expect("Failed to parse.");
+///
+/// assert_eq!(s1, "Testing");
+/// ```
+#[derive(Clone, PartialEq, Eq, Hash, PartialOrd, Ord, Debug)]
+pub enum TinyStrAuto {
+    /// Up to 16 characters stored on the stack.
+    Tiny(TinyStr16),
+    /// 17 or more characters stored on the heap.
+    Heap(String),
+}
+
+impl fmt::Display for TinyStrAuto {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        self.deref().fmt(f)
+    }
+}
+
+impl Deref for TinyStrAuto {
+    type Target = str;
+
+    fn deref(&self) -> &str {
+        use TinyStrAuto::*;
+        match self {
+            Tiny(value) => value.deref(),
+            Heap(value) => value.deref(),
+        }
+    }
+}
+
+impl PartialEq<&str> for TinyStrAuto {
+    fn eq(&self, other: &&str) -> bool {
+        self.deref() == *other
+    }
+}
+
+impl FromStr for TinyStrAuto {
+    type Err = Error;
+
+    fn from_str(text: &str) -> Result<Self, Self::Err> {
+        if text.len() <= 16 {
+            match TinyStr16::from_str(text) {
+                Ok(result) => Ok(TinyStrAuto::Tiny(result)),
+                Err(err) => Err(err),
+            }
+        } else {
+            if !text.is_ascii() {
+                return Err(Error::NonAscii);
+            }
+            match String::from_str(text) {
+                Ok(result) => Ok(TinyStrAuto::Heap(result)),
+                Err(_) => unreachable!(),
+            }
+        }
+    }
+}