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Shell: Be more smart with pasted stuff

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Shell can now use LibLine's `on_paste` hook to more intelligently escape
pasted data, with the following heuristics:
- If the current command is invalid, just pile the pasted string on top
- If the cursor is *after* a command node, escape the pasted data,
  whichever way yields a smaller encoding
- If the cursor is at the start of or in the middle of a command name,
  paste the data as-is, assuming that the user wants to paste code
- If the cursor is otherwise in some argument, escape the pasted data
  according to which kind of string the cursor is in the middle of
  (double-quoted, single-quoted or a simple bareword)
This commit is contained in:
Ali Mohammad Pur 2022-03-06 13:04:31 +03:30 • committed by Andreas Kling
parent c4d9377477
commit a76730823a
3 changed files with 148 additions and 66 deletions
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Userland/Shell/Shell.h
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@ -164,6 +164,7 @@ public:
static String escape_token_for_double_quotes(StringView token);
static String escape_token_for_single_quotes(StringView token);
static String escape_token(StringView token, EscapeMode = EscapeMode::Bareword);
static String escape_token(Utf32View token, EscapeMode = EscapeMode::Bareword);
static String unescape_token(StringView token);
enum class SpecialCharacterEscapeMode {
Untouched,