From e5c05a3e08a04260bb6e6132050c5ce0f4fb6f5e Mon Sep 17 00:00:00 2001
From: acdenisSK <acdenissk69@gmail.com>
Date: Thu, 19 Jul 2018 11:42:28 +0200
Subject: Use `current` to figure out the end quote

---
 src/framework/standard/args.rs | 21 ++++-----------------
 1 file changed, 4 insertions(+), 17 deletions(-)

(limited to 'src/framework')

diff --git a/src/framework/standard/args.rs b/src/framework/standard/args.rs
index 310fcf0..d561e30 100644
--- a/src/framework/standard/args.rs
+++ b/src/framework/standard/args.rs
@@ -53,20 +53,6 @@ impl<E: StdError> fmt::Display for Error<E> {
 
 type Result<T, E> = ::std::result::Result<T, Error<E>>;
 
-fn find_start(s: &str, i: usize) -> Option<usize> {
-    if i > s.len() {
-        return None;
-    }
-
-    let mut start = i - 1;
-
-    while !s.is_char_boundary(start) {
-        start -= 1;
-    }
-
-    Some(start)
-}
-
 fn find_end(s: &str, i: usize) -> Option<usize> {
     if i > s.len() {
         return None;
@@ -165,15 +151,16 @@ impl<'a> Lexer<'a> {
                 self.next();
             }
 
+            let is_quote = self.current().map_or(false, |s| s == "\"");
             self.next();
 
             let end = self.offset;
 
-            return Some(if self.at_end() && &self.msg[find_start(self.msg, end).unwrap()..end] != "\"" {
+            return Some(if is_quote {
+                Token::new(TokenKind::QuotedArgument, &self.msg[start..end], start)
+            } else {
                 // We're missing an end quote. View this as a normal argument.
                 Token::new(TokenKind::Argument, &self.msg[start..], start)
-            } else {
-                Token::new(TokenKind::QuotedArgument, &self.msg[start..end], start)
             });
         }
 
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