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lint: Use early exit/continue

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This commit is contained in:
Kurtis Rader 2016-10-30 20:21:26 -07:00
parent 46b791240a
commit d441de33e5
1 changed files with 41 additions and 39 deletions
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80
src/screen.cpp
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@ -105,24 +105,26 @@ static bool allow_soft_wrap(void) {
/// Does this look like the escape sequence for setting a screen name.
static bool is_screen_name_escape_seq(const wchar_t *code, size_t *resulting_length) {
bool found = false;
if (code[1] == L'k') {
const env_var_t term_name = env_get_string(L"TERM");
if (!term_name.missing() && string_prefixes_string(L"screen", term_name)) {
const wchar_t *const screen_name_end_sentinel = L"\x1b\\";
const wchar_t *screen_name_end = wcsstr(&code[2], screen_name_end_sentinel);
if (screen_name_end == NULL) {
// Consider just <esc>k to be the code.
*resulting_length = 2;
} else {
const wchar_t *escape_sequence_end =
screen_name_end + wcslen(screen_name_end_sentinel);
*resulting_length = escape_sequence_end - code;
}
found = true;
}
if (code[1] != L'k') {
return false;
}
return found;
const env_var_t term_name = env_get_string(L"TERM");
if (term_name.missing() || !string_prefixes_string(L"screen", term_name)) {
return false;
}
const wchar_t *const screen_name_end_sentinel = L"\x1b\\";
const wchar_t *screen_name_end = wcsstr(&code[2], screen_name_end_sentinel);
if (screen_name_end == NULL) {
// Consider just <esc>k to be the code.
*resulting_length = 2;
} else {
const wchar_t *escape_sequence_end =
screen_name_end + wcslen(screen_name_end_sentinel);
*resulting_length = escape_sequence_end - code;
}
return true;
}
/// iTerm2 escape codes: CSI followed by ], terminated by either BEL or escape + backslash.
@ -169,28 +171,28 @@ static bool is_two_byte_escape_seq(const wchar_t *code, size_t *resulting_length
/// Generic VT100 CSI-style sequence. <esc>, followed by zero or more ASCII characters NOT in
/// the range [@,_], followed by one character in that range.
static bool is_csi_style_escape_seq(const wchar_t *code, size_t *resulting_length) {
bool found = false;
if (code[1] == L'[') {
// Start at 2 to skip over <esc>[
size_t cursor = 2;
for (; code[cursor] != L'\0'; cursor++) {
// Consume a sequence of ASCII characters not in the range [@, ~].
wchar_t widechar = code[cursor];
// If we're not in ASCII, just stop.
if (widechar > 127) break;
// If we're the end character, then consume it and then stop.
if (widechar >= L'@' && widechar <= L'~') {
cursor++;
break;
}
}
// curs now indexes just beyond the end of the sequence (or at the terminating zero).
found = true;
*resulting_length = cursor;
if (code[1] != L'[') {
return false;
}
return found;
// Start at 2 to skip over <esc>[
size_t cursor = 2;
for (; code[cursor] != L'\0'; cursor++) {
// Consume a sequence of ASCII characters not in the range [@, ~].
wchar_t widechar = code[cursor];
// If we're not in ASCII, just stop.
if (widechar > 127) break;
// If we're the end character, then consume it and then stop.
if (widechar >= L'@' && widechar <= L'~') {
cursor++;
break;
}
}
// cursor now indexes just beyond the end of the sequence (or at the terminating zero).
*resulting_length = cursor;
return true;
}
/// Returns the number of characters in the escape code starting at 'code' (which should initially
@ -817,7 +819,7 @@ static void s_update(screen_t *scr, const wchar_t *left_prompt, const wchar_t *r
}
// Output any rprompt if this is the first line.
if (i == 0 && right_prompt_width > 0) {
if (i == 0 && right_prompt_width > 0) { //!OCLINT(Use early exit/continue)
s_move(scr, &output, (int)(screen_width - right_prompt_width), (int)i);
s_set_color(scr, &output, 0xffffffff);
s_write_str(&output, right_prompt);