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comparison rust/hg-core/src/filepatterns.rs @ 42869:62eabdf91f85

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rustfilepatterns: refactor the pattern of removing a prefix from a &[u8] Differential Revision: https://phab.mercurial-scm.org/D6766
author Valentin Gatien-Baron <valentin.gatienbaron@gmail.com>
date Mon, 26 Aug 2019 08:25:01 -0400
parents ce6797ef6eab
children 72890d8f9860
comparison
equal deleted inserted replaced
42868:96ddf83fc267 42869:62eabdf91f85
58 input = rest; 58 input = rest;
59 59
60 match c { 60 match c {
61 b'*' => { 61 b'*' => {
62 for (source, repl) in GLOB_REPLACEMENTS { 62 for (source, repl) in GLOB_REPLACEMENTS {
63 if input.starts_with(source) { 63 if let Some(rest) = input.drop_prefix(source) {
64 input = &input[source.len()..]; 64 input = rest;
65 res.extend(*repl); 65 res.extend(*repl);
66 break; 66 break;
67 } 67 }
68 } 68 }
69 } 69 }
267 267
268 if line.is_empty() { 268 if line.is_empty() {
269 continue; 269 continue;
270 } 270 }
271 271
272 if line.starts_with(b"syntax:") { 272 if let Some(syntax) = line.drop_prefix(b"syntax:") {
273 let syntax = line[b"syntax:".len()..].trim(); 273 let syntax = syntax.trim();
274 274
275 if let Some(rel_syntax) = SYNTAXES.get(syntax) { 275 if let Some(rel_syntax) = SYNTAXES.get(syntax) {
276 current_syntax = rel_syntax; 276 current_syntax = rel_syntax;
277 } else if warn { 277 } else if warn {
278 warnings.push((file_path.to_owned(), syntax.to_owned())); 278 warnings.push((file_path.to_owned(), syntax.to_owned()));
281 } 281 }
282 282
283 let mut line_syntax: &[u8] = &current_syntax; 283 let mut line_syntax: &[u8] = &current_syntax;
284 284
285 for (s, rels) in SYNTAXES.iter() { 285 for (s, rels) in SYNTAXES.iter() {
286 if line.starts_with(rels) { 286 if let Some(rest) = line.drop_prefix(rels) {
287 line_syntax = rels; 287 line_syntax = rels;
288 line = &line[rels.len()..]; 288 line = rest;
289 break; 289 break;
290 } else if line.starts_with(&[s, b":".as_ref()].concat()) { 290 }
291 if let Some(rest) = line.drop_prefix(&[s, &b":"[..]].concat()) {
291 line_syntax = rels; 292 line_syntax = rels;
292 line = &line[s.len() + 1..]; 293 line = rest;
293 break; 294 break;
294 } 295 }
295 } 296 }
296 297
297 inputs.push(( 298 inputs.push((