Allow escaping characters

This patch adds the '\' character as a new rune, Rune::Special. This is
for escaping special characters. Also works in strings (", ').

Signed-off-by: Rory Dudley <rory@netc.lu>

1 files changed, 9 insertions, 0 deletions

diff --git a/src/poem/read.rs b/src/poem/read.rs
index 8f3fd4a..7f3ae32 100644
--- a/src/poem/read.rs
+++ b/src/poem/read.rs
@@ -243,6 +243,7 @@ impl Readable for Poem {
             // Determine the meter based on the character
             let rune = match c {
                 ' ' => Rune::Pause,
+                '\\' => Rune::Special,
                 '/' => Rune::Path,
                 '#' => Rune::Remark,
                 '\'' | '"' => Rune::String,
@@ -356,6 +357,14 @@ impl Readable for Poem {
                     verse.add(&mut word, channel);
                 }
 
+                Rune::Special => {
+                    let c = chars.next();
+                    match c {
+                        Some(c) => word.push(c),
+                        None => continue,
+                    }
+                }
+
                 Rune::Remark => {
                     remark!(chars);
                 }