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https://github.com/TECHNOFAB11/pay-respects.git
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format: extract replaces to functions
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iff
parent
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commit
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2 changed files with 161 additions and 142 deletions
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@ -4,6 +4,8 @@ use proc_macro::TokenStream;
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use proc_macro2::TokenStream as TokenStream2;
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use quote::quote;
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mod replaces;
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#[proc_macro]
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pub fn parse_rules(input: TokenStream) -> TokenStream {
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let directory = input.to_string().trim_matches('"').to_owned();
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@ -182,155 +184,21 @@ fn eval_condition(condition: &str, arg: &str) -> TokenStream2 {
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fn eval_suggest(suggest: &str) -> TokenStream2 {
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let mut suggest = suggest.to_owned();
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let rtag = |x: i32, y: String| {
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let tag = format!("tag{} = {}", x, y);
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let tag: TokenStream2 = tag.parse().unwrap();
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tag
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};
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let tag = |x: i32| {
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let tag = format!("{{tag{}}}", x);
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let tag = tag.as_str();
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let tag = tag.to_owned();
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tag
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};
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let mut replace_tag = 0;
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let mut replace_list = Vec::new();
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if suggest.contains("{{command}}") {
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let command = "last_command".to_string();
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replace_list.push(rtag(replace_tag, command));
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suggest = suggest.replace("{{command}}", &tag(replace_tag));
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replace_tag += 1;
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suggest = suggest.replace("{{command}}", "{last_command}");
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}
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let mut opt_lists = Vec::new();
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while suggest.contains("{{opt::") {
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let placeholder_start = "{{opt::";
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let placeholder_end = "}}";
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let mut replace_list = Vec::new();
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let mut opt_list = Vec::new();
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let start_index = suggest.find(placeholder_start).unwrap();
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let end_index = suggest[start_index..].find(placeholder_end).unwrap()
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+ start_index
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+ placeholder_end.len();
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let placeholder = start_index..end_index;
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let args = start_index + placeholder_start.len()..end_index - placeholder_end.len();
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let opt = &suggest[args.to_owned()];
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let regex = opt.trim();
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let current_tag = tag(replace_tag);
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let token_tag: TokenStream2 = format!("tag{}", replace_tag).parse().unwrap();
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let command = quote! {
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let #token_tag = opt_regex(#regex, &mut last_command);
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};
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opt_lists.push(command);
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replace_list.push(rtag(replace_tag, current_tag.to_owned()));
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suggest.replace_range(placeholder, ¤t_tag);
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replace_tag += 1;
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}
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while suggest.contains("{{command") {
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let placeholder_start = "{{command";
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let placeholder_end = "}}";
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let start_index = suggest.find(placeholder_start).unwrap();
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let end_index = suggest[start_index..].find(placeholder_end).unwrap()
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+ start_index
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+ placeholder_end.len();
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let placeholder = start_index..end_index;
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let args = start_index + placeholder_start.len()..end_index - placeholder_end.len();
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let range = suggest[args.to_owned()].trim_matches(|c| c == '[' || c == ']');
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if let Some((start, end)) = range.split_once(':') {
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let mut start_string = start.to_string();
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let start = start.parse::<i32>().unwrap_or(0);
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if start < 0 {
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start_string = format!("split_command.len() {}", start);
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};
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let end_string;
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let parsed_end = end.parse::<i32>();
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if parsed_end.is_err() {
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end_string = String::from("split_command.len()");
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} else {
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let end = parsed_end.clone().unwrap();
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if end < 0 {
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end_string = format!("split_command.len() {}", end + 1);
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} else {
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end_string = (end + 1).to_string();
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}
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};
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let command = format!{r#"split_command[{}..{}].join(" ")"#, start_string, end_string};
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replace_list.push(rtag(replace_tag, command));
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suggest.replace_range(placeholder, &tag(replace_tag));
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replace_tag += 1;
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} else {
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let range = range.parse::<i32>().unwrap_or(0);
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let command = format!("split_command[{}]", range);
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replace_list.push(rtag(replace_tag, command));
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suggest.replace_range(placeholder, &tag(replace_tag));
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replace_tag += 1;
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}
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}
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while suggest.contains("{{typo") {
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let placeholder_start = "{{typo";
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let placeholder_end = "}}";
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let start_index = suggest.find(placeholder_start).unwrap();
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let end_index = suggest[start_index..].find(placeholder_end).unwrap()
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+ start_index
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+ placeholder_end.len();
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let placeholder = start_index..end_index;
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let args = start_index + placeholder_start.len()..end_index - placeholder_end.len();
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let string_index;
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if suggest.contains('[') {
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let split = suggest[args.to_owned()]
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.split(&['[', ']'])
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.collect::<Vec<&str>>();
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let command_index = split[1].parse::<i32>().unwrap();
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if command_index < 0 {
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// command_index += split_command.len() as i32;
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string_index = format!("split_command.len() {}", command_index);
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} else {
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string_index = command_index.to_string();
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}
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} else {
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unreachable!("Typo suggestion must have a command index");
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}
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let mut match_list = Vec::new();
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if suggest.contains('(') {
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let split = suggest[args.to_owned()]
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.split(&['(', ')'])
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.collect::<Vec<&str>>();
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match_list = split[1].trim().split(',').collect::<Vec<&str>>();
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}
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let match_list = match_list
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.iter()
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.map(|s| s.trim().to_string())
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.collect::<Vec<String>>();
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let string_match_list = match_list.join(r#"".to_string(), ""#);
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let string_match_list = format!(r#""{}".to_string()"#, string_match_list);
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let command = format!("suggest_typo(&split_command[{}], vec![{}])", string_index, string_match_list);
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replace_list.push(rtag(replace_tag, command));
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suggest.replace_range(placeholder, &tag(replace_tag));
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replace_tag += 1;
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}
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replaces::opts(&mut suggest, &mut replace_list, &mut opt_list);
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replaces::command(&mut suggest, &mut replace_list);
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replaces::typo(&mut suggest, &mut replace_list);
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quote! {
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#(#opt_lists)*
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#(#opt_list)*
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let split_command = split_command(&last_command);
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return Some(format!{#suggest, #(#replace_list),*});
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}
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}
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151
rule_parser/src/replaces.rs
Normal file
151
rule_parser/src/replaces.rs
Normal file
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@ -0,0 +1,151 @@
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use proc_macro2::TokenStream as TokenStream2;
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use quote::quote;
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fn rtag (name: &str, x: i32, y: String) -> TokenStream2 {
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let tag = format!("{}{} = {}", name, x, y);
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let tag: TokenStream2 = tag.parse().unwrap();
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tag
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}
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fn tag (name: &str, x: i32) -> String {
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let tag = format!("{{{}{}}}", name, x);
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let tag = tag.as_str();
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let tag = tag.to_owned();
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tag
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}
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pub fn opts(suggest: &mut String, replace_list: &mut Vec<TokenStream2>, opt_list: &mut Vec<TokenStream2>) {
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let mut replace_tag = 0;
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let tag_name = "opts";
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while suggest.contains("{{opt::") {
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let placeholder_start = "{{opt::";
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let placeholder_end = "}}";
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let start_index = suggest.find(placeholder_start).unwrap();
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let end_index = suggest[start_index..].find(placeholder_end).unwrap()
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+ start_index
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+ placeholder_end.len();
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let placeholder = start_index..end_index;
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let args = start_index + placeholder_start.len()..end_index - placeholder_end.len();
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let opt = &suggest[args.to_owned()];
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let regex = opt.trim();
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let current_tag = tag(tag_name, replace_tag);
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let token_tag: TokenStream2 = format!("{}{}", tag_name, replace_tag).parse().unwrap();
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let command = quote! {
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let #token_tag = opt_regex(#regex, &mut last_command);
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};
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opt_list.push(command);
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replace_list.push(rtag(tag_name, replace_tag, current_tag.to_owned()));
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suggest.replace_range(placeholder, ¤t_tag);
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replace_tag += 1;
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}
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}
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pub fn command(suggest: &mut String, replace_list: &mut Vec<TokenStream2>) {
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let mut replace_tag = 0;
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let tag_name = "command";
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while suggest.contains("{{command") {
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let placeholder_start = "{{command";
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let placeholder_end = "}}";
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let start_index = suggest.find(placeholder_start).unwrap();
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let end_index = suggest[start_index..].find(placeholder_end).unwrap()
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+ start_index
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+ placeholder_end.len();
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let placeholder = start_index..end_index;
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let args = start_index + placeholder_start.len()..end_index - placeholder_end.len();
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let range = suggest[args.to_owned()].trim_matches(|c| c == '[' || c == ']');
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if let Some((start, end)) = range.split_once(':') {
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let mut start_string = start.to_string();
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let start = start.parse::<i32>().unwrap_or(0);
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if start < 0 {
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start_string = format!("split_command.len() {}", start);
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};
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let end_string;
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let parsed_end = end.parse::<i32>();
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if parsed_end.is_err() {
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end_string = String::from("split_command.len()");
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} else {
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let end = parsed_end.clone().unwrap();
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if end < 0 {
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end_string = format!("split_command.len() {}", end + 1);
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} else {
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end_string = (end + 1).to_string();
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}
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};
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let command = format!{r#"split_command[{}..{}].join(" ")"#, start_string, end_string};
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replace_list.push(rtag(tag_name, replace_tag, command));
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suggest.replace_range(placeholder, &tag(tag_name, replace_tag));
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replace_tag += 1;
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} else {
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let range = range.parse::<i32>().unwrap_or(0);
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let command = format!("split_command[{}]", range);
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replace_list.push(rtag(tag_name, replace_tag, command));
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suggest.replace_range(placeholder, &tag(tag_name, replace_tag));
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replace_tag += 1;
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}
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}
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}
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pub fn typo(suggest: &mut String, replace_list: &mut Vec<TokenStream2>) {
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let mut replace_tag = 0;
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let tag_name = "typo";
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while suggest.contains("{{typo") {
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let placeholder_start = "{{typo";
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let placeholder_end = "}}";
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let start_index = suggest.find(placeholder_start).unwrap();
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let end_index = suggest[start_index..].find(placeholder_end).unwrap()
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+ start_index
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+ placeholder_end.len();
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let placeholder = start_index..end_index;
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let args = start_index + placeholder_start.len()..end_index - placeholder_end.len();
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let string_index;
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if suggest.contains('[') {
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let split = suggest[args.to_owned()]
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.split(&['[', ']'])
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.collect::<Vec<&str>>();
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let command_index = split[1].parse::<i32>().unwrap();
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if command_index < 0 {
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// command_index += split_command.len() as i32;
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string_index = format!("split_command.len() {}", command_index);
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} else {
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string_index = command_index.to_string();
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}
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} else {
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unreachable!("Typo suggestion must have a command index");
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}
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let mut match_list = Vec::new();
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if suggest.contains('(') {
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let split = suggest[args.to_owned()]
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.split(&['(', ')'])
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.collect::<Vec<&str>>();
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match_list = split[1].trim().split(',').collect::<Vec<&str>>();
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}
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let match_list = match_list
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.iter()
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.map(|s| s.trim().to_string())
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.collect::<Vec<String>>();
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let string_match_list = match_list.join(r#"".to_string(), ""#);
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let string_match_list = format!(r#""{}".to_string()"#, string_match_list);
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let command = format!("suggest_typo(&split_command[{}], vec![{}])", string_index, string_match_list);
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replace_list.push(rtag(tag_name, replace_tag, command));
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suggest.replace_range(placeholder, &tag(tag_name, replace_tag));
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replace_tag += 1;
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}
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}
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