feat: Allow --tag to translate tag name to number

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "prefix"
-version = "1.2.0"
+version = "1.2.1"
 authors = ["Shivix"]
 edition = "2021"
 description = "A customizable pretty printer for FIX messages"

completion/_prefix

@@ -30,8 +30,8 @@ _prefix() {
 '--strict[Only consider full FIX messages containing both BeginString and Checksum]' \
 '-s[Strip the whitespace around the = in each field]' \
 '--strip[Strip the whitespace around the = in each field]' \
-'-t[Translate tag numbers on non FIX message lines]' \
-'--tag[Translate tag numbers on non FIX message lines]' \
+'-t[Translate tag numbers on non FIX message lines, if the entire line matches a tag name it will print it'\''s number]' \
+'--tag[Translate tag numbers on non FIX message lines, if the entire line matches a tag name it will print it'\''s number]' \
 '-v[Translate the values of some tags (for Side\: 1 -> Buy)]' \
 '--value[Translate the values of some tags (for Side\: 1 -> Buy)]' \
 '-h[Print help]' \

completion/_prefix.ps1

@@ -36,8 +36,8 @@ Register-ArgumentCompleter -Native -CommandName 'prefix' -ScriptBlock {
             [CompletionResult]::new('--strict', 'strict', [CompletionResultType]::ParameterName, 'Only consider full FIX messages containing both BeginString and Checksum')
             [CompletionResult]::new('-s', 's', [CompletionResultType]::ParameterName, 'Strip the whitespace around the = in each field')
             [CompletionResult]::new('--strip', 'strip', [CompletionResultType]::ParameterName, 'Strip the whitespace around the = in each field')
-            [CompletionResult]::new('-t', 't', [CompletionResultType]::ParameterName, 'Translate tag numbers on non FIX message lines')
-            [CompletionResult]::new('--tag', 'tag', [CompletionResultType]::ParameterName, 'Translate tag numbers on non FIX message lines')
+            [CompletionResult]::new('-t', 't', [CompletionResultType]::ParameterName, 'Translate tag numbers on non FIX message lines, if the entire line matches a tag name it will print it''s number')
+            [CompletionResult]::new('--tag', 'tag', [CompletionResultType]::ParameterName, 'Translate tag numbers on non FIX message lines, if the entire line matches a tag name it will print it''s number')
             [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'Translate the values of some tags (for Side: 1 -> Buy)')
             [CompletionResult]::new('--value', 'value', [CompletionResultType]::ParameterName, 'Translate the values of some tags (for Side: 1 -> Buy)')
             [CompletionResult]::new('-h', 'h', [CompletionResultType]::ParameterName, 'Print help')

completion/prefix.fish

@@ -6,7 +6,7 @@ complete -c prefix -l porcelain -d 'print FIX messages closer to standard format
 complete -c prefix -s r -l repeating -d 'Combine any repeating groups into a single field with a comma delimited value'
 complete -c prefix -s f -l strict -d 'Only consider full FIX messages containing both BeginString and Checksum'
 complete -c prefix -s s -l strip -d 'Strip the whitespace around the = in each field'
-complete -c prefix -s t -l tag -d 'Translate tag numbers on non FIX message lines'
+complete -c prefix -s t -l tag -d 'Translate tag numbers on non FIX message lines, if the entire line matches a tag name it will print it\'s number'
 complete -c prefix -s v -l value -d 'Translate the values of some tags (for Side: 1 -> Buy)'
 complete -c prefix -s h -l help -d 'Print help'
 complete -c prefix -s V -l version -d 'Print version'

man/prefix.1

@@ -1,6 +1,6 @@
 .ie \n(.g .ds Aq \(aq
 .el .ds Aq '
-.TH prefix 1  "prefix 1.2.0" 
+.TH prefix 1  "prefix 1.2.1" 
 .SH NAME
 prefix \- A customizable pretty printer for FIX messages
 .SH SYNOPSIS
@@ -38,7 +38,7 @@ Strip the whitespace around the = in each field
 Summarise each fix message based on an optional template
 .TP
 \fB\-t\fR, \fB\-\-tag\fR
-Translate tag numbers on non FIX message lines
+Translate tag numbers on non FIX message lines, if the entire line matches a tag name it will print it\*(Aqs number
 .TP
 \fB\-v\fR, \fB\-\-value\fR
 Translate the values of some tags (for Side: 1 \-> Buy)
@@ -52,4 +52,4 @@ Print version
 [\fImessage\fR]
 FIX message to be parsed, if not provided will look for a message piped through stdin
 .SH VERSION
-v1.2.0
+v1.2.1

src/command.rs

@@ -42,7 +42,7 @@ pub fn make_command() -> Command {
                 .default_missing_value("")
         )
         .arg(
-            arg!(-t --tag "Translate tag numbers on non FIX message lines")
+            arg!(-t --tag "Translate tag numbers on non FIX message lines, if the entire line matches a tag name it will print it's number")
                 .action(ArgAction::SetTrue)
         )
         .arg(

src/prefix/mod.rs

@@ -192,6 +192,13 @@ fn parse_fix_msg(input: &str, regex: &Regex) -> FixMsg {
 }
 
 fn parse_tags(input: &str, regex: &Regex) -> String {
+    if input.chars().all(|c| !c.is_ascii_digit()) {
+        for (tag, tag_name) in tags::TAGS.iter().enumerate() {
+            if input.to_lowercase() == tag_name.to_lowercase() && !tag_name.is_empty() {
+                return tag.to_string();
+            }
+        }
+    }
     let mut result = input.to_owned();
     for m in regex.find_iter(input) {
         let tag = m.as_str().parse::<usize>().unwrap();