2 files changed, 61 insertions, 0 deletions
diff --git a/vendor/snapbox/src/utils/lines.rs b/vendor/snapbox/src/utils/lines.rs
new file mode 100644
index 000000000..f56408483
--- /dev/null
+++ b/vendor/snapbox/src/utils/lines.rs
@@ -0,0 +1,31 @@
+#[derive(Clone, Debug)]
+pub struct LinesWithTerminator<'a> {
+    data: &'a str,
+}
+
+impl<'a> LinesWithTerminator<'a> {
+    pub fn new(data: &'a str) -> LinesWithTerminator<'a> {
+        LinesWithTerminator { data }
+    }
+}
+
+impl<'a> Iterator for LinesWithTerminator<'a> {
+    type Item = &'a str;
+
+    #[inline]
+    fn next(&mut self) -> Option<&'a str> {
+        match self.data.find('\n') {
+            None if self.data.is_empty() => None,
+            None => {
+                let line = self.data;
+                self.data = "";
+                Some(line)
+            }
+            Some(end) => {
+                let line = &self.data[..end + 1];
+                self.data = &self.data[end + 1..];
+                Some(line)
+            }
+        }
+    }
+}
diff --git a/vendor/snapbox/src/utils/mod.rs b/vendor/snapbox/src/utils/mod.rs
new file mode 100644
index 000000000..d51924196
--- /dev/null
+++ b/vendor/snapbox/src/utils/mod.rs
@@ -0,0 +1,30 @@
+mod lines;
+
+pub use lines::LinesWithTerminator;
+
+/// Normalize line endings
+pub fn normalize_lines(data: &str) -> String {
+    normalize_lines_chars(data.chars()).collect()
+}
+
+fn normalize_lines_chars(data: impl Iterator<Item = char>) -> impl Iterator<Item = char> {
+    normalize_line_endings::normalized(data)
+}
+
+/// Normalize path separators
+pub fn normalize_paths(data: &str) -> String {
+    normalize_paths_chars(data.chars()).collect()
+}
+
+fn normalize_paths_chars(data: impl Iterator<Item = char>) -> impl Iterator<Item = char> {
+    data.map(|c| if c == '\\' { '/' } else { c })
+}
+
+/// "Smart" text normalization
+///
+/// This includes
+/// - Line endings
+/// - Path separators
+pub fn normalize_text(data: &str) -> String {
+    normalize_paths_chars(normalize_lines_chars(data.chars())).collect()
+}