feat: add padding support

Author: wfxr

completions/bash/code-minimap.bash

@@ -26,7 +26,7 @@ _code-minimap() {
 
     case "${cmd}" in
         code-minimap)
-            opts=" -h -H -V  --help --version --horizontal-scale --vertical-scale  <FILE>  completion help"
+            opts=" -h -H -V  --help --version --horizontal-scale --vertical-scale --padding  <FILE>  completion help"
             if [[ ${cur} == -* || ${COMP_CWORD} -eq 1 ]] ; then
                 COMPREPLY=( $(compgen -W "${opts}" -- "${cur}") )
                 return 0
@@ -49,6 +49,10 @@ _code-minimap() {
                     COMPREPLY=($(compgen -f "${cur}"))
                     return 0
                     ;;
+                --padding)
+                    COMPREPLY=($(compgen -f "${cur}"))
+                    return 0
+                    ;;
                 *)
                     COMPREPLY=()
                     ;;

completions/elvish/code-minimap.elv

@@ -19,6 +19,7 @@ edit:completion:arg-completer[code-minimap] = [@words]{
             cand --horizontal-scale 'Specify horizontal scale factor'
             cand -V 'Specify vertical scale factor'
             cand --vertical-scale 'Specify vertical scale factor'
+            cand --padding 'Specify padding width'
             cand -h 'Prints help information'
             cand --help 'Prints help information'
             cand --version 'Prints version information'

completions/fish/code-minimap.fish

@@ -1,5 +1,6 @@
 complete -c code-minimap -n "__fish_use_subcommand" -s H -l horizontal-scale -d 'Specify horizontal scale factor'
 complete -c code-minimap -n "__fish_use_subcommand" -s V -l vertical-scale -d 'Specify vertical scale factor'
+complete -c code-minimap -n "__fish_use_subcommand" -l padding -d 'Specify padding width'
 complete -c code-minimap -n "__fish_use_subcommand" -s h -l help -d 'Prints help information'
 complete -c code-minimap -n "__fish_use_subcommand" -l version -d 'Prints version information'
 complete -c code-minimap -n "__fish_use_subcommand" -f -a "completion" -d 'Generate shell completion file'

completions/powershell/_code-minimap.ps1

@@ -24,6 +24,7 @@ Register-ArgumentCompleter -Native -CommandName 'code-minimap' -ScriptBlock {
             [CompletionResult]::new('--horizontal-scale', 'horizontal-scale', [CompletionResultType]::ParameterName, 'Specify horizontal scale factor')
             [CompletionResult]::new('-V', 'V', [CompletionResultType]::ParameterName, 'Specify vertical scale factor')
             [CompletionResult]::new('--vertical-scale', 'vertical-scale', [CompletionResultType]::ParameterName, 'Specify vertical scale factor')
+            [CompletionResult]::new('--padding', 'padding', [CompletionResultType]::ParameterName, 'Specify padding width')
             [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Prints help information')
             [CompletionResult]::new('--help', 'help', [CompletionResultType]::ParameterName, 'Prints help information')
             [CompletionResult]::new('--version', 'version', [CompletionResultType]::ParameterName, 'Prints version information')

completions/zsh/_code-minimap

@@ -19,6 +19,7 @@ _code-minimap() {
 '--horizontal-scale=[Specify horizontal scale factor]' \
 '-V+[Specify vertical scale factor]' \
 '--vertical-scale=[Specify vertical scale factor]' \
+'--padding=[Specify padding width]' \
 '-h[Prints help information]' \
 '--help[Prints help information]' \
 '--version[Prints version information]' \

src/cli.rs

@@ -21,6 +21,10 @@ pub struct Opt {
     #[structopt(short = "V", long = "vertical-scale", default_value = "1.0")]
     pub vscale: f64,
 
+    /// Specify padding width
+    #[structopt(long = "padding")]
+    pub padding: Option<usize>,
+
     /// Subcommand
     #[structopt(subcommand)]
     pub subcommand: Option<Subcommand>,

src/core.rs

@@ -25,12 +25,12 @@ pub fn print_minimap(reader: Box<dyn BufRead>, opt: &Opt) -> io::Result<()> {
             frame[i] = beg..=end;
         }
         scale_frame(&mut frame, hscale);
-        print_frame(&frame);
+        print_frame(&frame, opt.padding);
     }
     Ok(())
 }
 
-fn print_frame(frame: &Vec<RangeInclusive<usize>>) {
+fn print_frame(frame: &Vec<RangeInclusive<usize>>, padding: Option<usize>) {
     let idx = |pos| {
         frame
             .iter()
@@ -42,7 +42,10 @@ fn print_frame(frame: &Vec<RangeInclusive<usize>>) {
         .step_by(2)
         .map(|i| BRAILLE_MATRIX[(idx(i)) + (idx(i + 1) << 4)])
         .collect();
-    println!("{}", line);
+    match padding {
+        Some(padding) => println!("{0:<1$}", line, padding),
+        None => println!("{}", line),
+    }
 }
 
 fn scale_frame(frame: &mut Vec<RangeInclusive<usize>>, factor: f64) {