rgs: added multiline window limit and in-file result indexing (work in progress)

crates/core/flags/hiargs.rs

@@ -61,6 +61,7 @@ pub(crate) struct HiArgs {
     ignore_file_case_insensitive: bool,
     ignore_file: Vec<PathBuf>,
     include_zero: bool,
+    in_file_index: bool,
     invert_match: bool,
     is_terminal_stdout: bool,
     line_number: bool,
@@ -73,6 +74,7 @@ pub(crate) struct HiArgs {
     mode: Mode,
     multiline: bool,
     multiline_dotall: bool,
+    multiline_window: Option<usize>,
     no_ignore_dot: bool,
     no_ignore_exclude: bool,
     no_ignore_files: bool,
@@ -140,6 +142,9 @@ impl HiArgs {
         }
 
         let mut state = State::new()?;
+        if low.multiline_window.is_some() && !low.multiline {
+            anyhow::bail!("--multiline-window requires --multiline");
+        }
         let patterns = Patterns::from_low_args(&mut state, &mut low)?;
         let paths = Paths::from_low_args(&mut state, &patterns, &mut low)?;
 
@@ -278,6 +283,7 @@ impl HiArgs {
             ignore_file: low.ignore_file,
             ignore_file_case_insensitive: low.ignore_file_case_insensitive,
             include_zero: low.include_zero,
+            in_file_index: low.in_file_index,
             invert_match: low.invert_match,
             is_terminal_stdout: state.is_terminal_stdout,
             line_number,
@@ -289,6 +295,7 @@ impl HiArgs {
             mmap_choice,
             multiline: low.multiline,
             multiline_dotall: low.multiline_dotall,
+            multiline_window: low.multiline_window,
             no_ignore_dot: low.no_ignore_dot,
             no_ignore_exclude: low.no_ignore_exclude,
             no_ignore_files: low.no_ignore_files,
@@ -616,6 +623,7 @@ impl HiArgs {
             .column(self.column)
             .heading(self.heading)
             .hyperlink(self.hyperlink_config.clone())
+            .in_file_index(self.in_file_index)
             .max_columns_preview(self.max_columns_preview)
             .max_columns(self.max_columns)
             .only_matching(self.only_matching)
@@ -723,6 +731,7 @@ impl HiArgs {
             .invert_match(self.invert_match)
             .line_number(self.line_number)
             .multi_line(self.multiline)
+            .multiline_window(self.multiline_window)
             .memory_map(self.mmap_choice.clone())
             .stop_on_nonmatch(self.stop_on_nonmatch);
         match self.context {