Format files and commits as OSC 8 hyperlinks

Closes #257

1 files changed, 43 insertions, 8 deletions

diff --git a/src/delta.rs b/src/delta.rs
index c5ad0b41..803e36eb 100644
--- a/src/delta.rs
+++ b/src/delta.rs
@@ -1,3 +1,4 @@
+use std::borrow::Cow;
 use std::io::BufRead;
 use std::io::Write;
 
@@ -7,6 +8,8 @@ use unicode_segmentation::UnicodeSegmentation;
 
 use crate::config::Config;
 use crate::draw;
+use crate::features;
+use crate::format;
 use crate::paint::Painter;
 use crate::parse;
 use crate::style::DecorationStyle;
@@ -60,7 +63,7 @@ where
 {
     let mut painter = Painter::new(writer, config);
     let mut minus_file = "".to_string();
-    let mut plus_file;
+    let mut plus_file = "".to_string();
     let mut state = State::Unknown;
     let mut source = Source::Unknown;
 
@@ -115,7 +118,7 @@ where
             painter.set_highlighter();
             if should_handle(&state, config) {
                 painter.emit()?;
-                handle_hunk_header_line(&mut painter, &line, &raw_line, config)?;
+                handle_hunk_header_line(&mut painter, &line, &raw_line, &plus_file, config)?;
                 continue;
             }
         } else if source == Source::DiffUnified && line.starts_with("Only in ")
@@ -155,7 +158,11 @@ where
             continue;
         } else {
             painter.emit()?;
-            writeln!(painter.writer, "{}", raw_line)?;
+            writeln!(
+                painter.writer,
+                "{}",
+                format::format_raw_line(&raw_line, config)
+            )?;
         }
     }
 
@@ -240,10 +247,25 @@ fn handle_commit_meta_header_line(
             draw::write_no_decoration
         }
     };
+    let (formatted_line, formatted_raw_line) = if config.hyperlinks {
+        (
+            Cow::from(
+                features::hyperlinks::format_commit_line_with_osc8_commit_hyperlink(line, config),
+            ),
+            Cow::from(
+                features::hyperlinks::format_commit_line_with_osc8_commit_hyperlink(
+                    raw_line, config,
+                ),
+            ),
+        )
+    } else {
+        (Cow::from(line), Cow::from(raw_line))
+    };
+
     draw_fn(
         painter.writer,
-        &format!("{}{}", line, if pad { " " } else { "" }),
-        &format!("{}{}", raw_line, if pad { " " } else { "" }),
+        &format!("{}{}", formatted_line, if pad { " " } else { "" }),
+        &format!("{}{}", formatted_raw_line, if pad { " " } else { "" }),
         &config.decorations_width,
         config.commit_style,
         decoration_ansi_term_style,
@@ -332,6 +354,7 @@ fn handle_hunk_header_line(
     painter: &mut Painter,
     line: &str,
     raw_line: &str,
+    plus_file: &str,
     config: &Config,
 ) -> std::io::Result<()> {
     if config.hunk_header_style.is_omitted {
@@ -425,16 +448,28 @@ fn handle_hunk_header_line(
     };
     // Emit a single line number, or prepare for full line-numbering
     if config.line_numbers {
-        painter.line_numbers_data.initialize_hunk(line_numbers);
+        painter
+            .line_numbers_data
+            .initialize_hunk(line_numbers, plus_file.to_string());
     } else {
         let plus_line_number = line_numbers[line_numbers.len() - 1].0;
+        let formatted_plus_line_number = if config.hyperlinks {
+            features::hyperlinks::format_osc8_file_hyperlink(
+                plus_file,
+                Some(plus_line_number),
+                &format!("{}", plus_line_number),
+                config,
+            )
+        } else {
+            Cow::from(format!("{}", plus_line_number))
+        };
         match config.hunk_header_style.decoration_ansi_term_style() {
             Some(style) => writeln!(
                 painter.writer,
                 "{}",
-                style.paint(format!("{}", plus_line_number))
+                style.paint(formatted_plus_line_number)
             )?,
-            None => writeln!(painter.writer, "{}", plus_line_number)?,
+            None => writeln!(painter.writer, "{}", formatted_plus_line_number)?,
         }
     }
     Ok(())