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Make printf support \e as the escape character

Browse source 
https://github.com/fish-shell/fish-shell/issues/910
This commit is contained in:
ridiculousfish 2013-07-16 13:25:42 -07:00
parent cabebd9f51
commit d3bb2a718a
1 changed files with 7 additions and 1 deletions
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8
builtin_printf.cpp
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@ -26,6 +26,7 @@
\a = alert (bell) \a = alert (bell)
\b = backspace \b = backspace
\c = produce no further output \c = produce no further output
\e = escape
\f = form feed \f = form feed
\n = new line \n = new line
\r = carriage return \r = carriage return
@ -319,6 +320,9 @@ void builtin_printf_state_t::print_esc_char(wchar_t c)
case L'c': /* Cancel the rest of the output. */ case L'c': /* Cancel the rest of the output. */
this->early_exit = true; this->early_exit = true;
break; break;
case L'e': /* Escape */
this->append_output(L'\x1B');
break;
case L'f': /* Form feed. */ case L'f': /* Form feed. */
this->append_output(L'\f'); this->append_output(L'\f');
break; break;
@ -369,8 +373,10 @@ long builtin_printf_state_t::print_esc(const wchar_t *escstart, bool octal_0)
esc_value = esc_value * 8 + octal_to_bin(*p); esc_value = esc_value * 8 + octal_to_bin(*p);
this->append_format_output(L"%c", esc_value); this->append_format_output(L"%c", esc_value);
} }
else if (*p && wcschr(L"\"\\abcfnrtv", *p)) else if (*p && wcschr(L"\"\\abcefnrtv", *p))
{
print_esc_char(*p++); print_esc_char(*p++);
}
else if (*p == L'u' || *p == L'U') else if (*p == L'u' || *p == L'U')
{ {
wchar_t esc_char = *p; wchar_t esc_char = *p;