mirror of
https://github.com/tmate-io/tmate.git
synced 2024-11-22 08:03:54 +01:00
All these return values from utf8_* are confusing, use an enum.
This commit is contained in:
nicm
parent
f401791a56
commit
205d15e82d
@ -169,7 +169,7 @@ input_key(struct window_pane *wp, key_code key, struct mouse_event *m)
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return;
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}
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if (key != KEYC_NONE && justkey > 0x7f && justkey < KEYC_BASE) {
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if (utf8_split(justkey, &ud) != 0)
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if (utf8_split(justkey, &ud) != UTF8_DONE)
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return;
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if (key & KEYC_ESCAPE)
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bufferevent_write(wp->event, "\033", 1);
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6
input.c
6
input.c
@ -1923,7 +1923,7 @@ input_utf8_open(struct input_ctx *ictx)
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{
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struct utf8_data *ud = &ictx->utf8data;
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if (!utf8_open(ud, ictx->ch))
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if (utf8_open(ud, ictx->ch) != UTF8_MORE)
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log_fatalx("UTF-8 open invalid %#hhx", ictx->ch);
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log_debug("%s %hhu", __func__, ud->size);
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@ -1937,7 +1937,7 @@ input_utf8_add(struct input_ctx *ictx)
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{
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struct utf8_data *ud = &ictx->utf8data;
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if (utf8_append(ud, ictx->ch) != 1)
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if (utf8_append(ud, ictx->ch) != UTF8_MORE)
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log_fatalx("UTF-8 add invalid %#hhx", ictx->ch);
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log_debug("%s", __func__);
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@ -1951,7 +1951,7 @@ input_utf8_close(struct input_ctx *ictx)
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{
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struct utf8_data *ud = &ictx->utf8data;
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if (utf8_append(ud, ictx->ch) != 0)
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if (utf8_append(ud, ictx->ch) != UTF8_DONE)
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log_fatalx("UTF-8 close invalid %#hhx", ictx->ch);
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log_debug("%s %hhu '%*s' (width %hhu)", __func__, ud->size,
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10
key-string.c
10
key-string.c
@ -144,10 +144,11 @@ key_string_lookup_string(const char *string)
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static const char *other = "!#()+,-.0123456789:;<=>?'\r\t";
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key_code key;
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u_short u;
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int size, more;
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int size;
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key_code modifiers;
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struct utf8_data ud;
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u_int i;
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enum utf8_state more;
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/* Is this a hexadecimal value? */
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if (string[0] == '0' && string[1] == 'x') {
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@ -173,13 +174,12 @@ key_string_lookup_string(const char *string)
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return (KEYC_NONE);
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} else {
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/* Try as a UTF-8 key. */
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if (utf8_open(&ud, (u_char)*string)) {
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if ((more = utf8_open(&ud, (u_char)*string)) == UTF8_MORE) {
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if (strlen(string) != ud.size)
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return (KEYC_NONE);
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more = 1;
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for (i = 1; i < ud.size; i++)
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more = utf8_append(&ud, (u_char)string[i]);
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if (more != 0)
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if (more != UTF8_DONE)
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return (KEYC_NONE);
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key = utf8_combine(&ud);
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return (key | modifiers);
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@ -256,7 +256,7 @@ key_string_lookup_key(key_code key)
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/* Is this a UTF-8 key? */
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if (key > 127 && key < KEYC_BASE) {
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if (utf8_split(key, &ud) == 0) {
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if (utf8_split(key, &ud) == UTF8_DONE) {
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memcpy(out, ud.data, ud.size);
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out[ud.size] = '\0';
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return (out);
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@ -115,7 +115,7 @@ screen_write_strlen(const char *fmt, ...)
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struct utf8_data ud;
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u_char *ptr;
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size_t left, size = 0;
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int more;
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enum utf8_state more;
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va_start(ap, fmt);
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xvasprintf(&msg, fmt, ap);
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@ -123,17 +123,17 @@ screen_write_strlen(const char *fmt, ...)
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ptr = msg;
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while (*ptr != '\0') {
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if (*ptr > 0x7f && utf8_open(&ud, *ptr)) {
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if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
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ptr++;
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left = strlen(ptr);
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if (left < (size_t)ud.size - 1)
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break;
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while ((more = utf8_append(&ud, *ptr)) == 1)
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while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
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ptr++;
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ptr++;
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if (more == 0)
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if (more == UTF8_DONE)
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size += ud.width;
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} else {
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if (*ptr > 0x1f && *ptr < 0x7f)
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@ -178,23 +178,23 @@ screen_write_vnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
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struct utf8_data ud;
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u_char *ptr;
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size_t left, size = 0;
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int more;
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enum utf8_state more;
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xvasprintf(&msg, fmt, ap);
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ptr = msg;
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while (*ptr != '\0') {
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if (*ptr > 0x7f && utf8_open(&ud, *ptr)) {
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if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
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ptr++;
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left = strlen(ptr);
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if (left < (size_t)ud.size - 1)
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break;
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while ((more = utf8_append(&ud, *ptr)) == 1)
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while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
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ptr++;
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ptr++;
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if (more == 0) {
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if (more == UTF8_DONE) {
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if (maxlen > 0 &&
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size + ud.width > (size_t) maxlen) {
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while (size < (size_t) maxlen) {
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@ -236,7 +236,7 @@ screen_write_cnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
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char *msg;
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u_char *ptr, *last;
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size_t left, size = 0;
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int more;
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enum utf8_state more;
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va_start(ap, fmt);
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xvasprintf(&msg, fmt, ap);
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@ -260,17 +260,17 @@ screen_write_cnputs(struct screen_write_ctx *ctx, ssize_t maxlen,
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continue;
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}
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if (*ptr > 0x7f && utf8_open(&ud, *ptr)) {
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if (*ptr > 0x7f && utf8_open(&ud, *ptr) == UTF8_MORE) {
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ptr++;
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left = strlen(ptr);
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if (left < (size_t)ud.size - 1)
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break;
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while ((more = utf8_append(&ud, *ptr)) == 1)
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while ((more = utf8_append(&ud, *ptr)) == UTF8_MORE)
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ptr++;
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ptr++;
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if (more == 0) {
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if (more == UTF8_DONE) {
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if (maxlen > 0 &&
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size + ud.width > (size_t) maxlen) {
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while (size < (size_t) maxlen) {
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11
tmux.h
11
tmux.h
@ -626,6 +626,11 @@ struct utf8_data {
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u_char width; /* 0xff if invalid */
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} __packed;
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enum utf8_state {
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UTF8_MORE,
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UTF8_DONE,
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UTF8_ERROR
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};
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/* Grid attributes. */
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#define GRID_ATTR_BRIGHT 0x1
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@ -2191,10 +2196,10 @@ void session_renumber_windows(struct session *);
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u_int utf8_width(u_int);
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void utf8_set(struct utf8_data *, u_char);
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void utf8_copy(struct utf8_data *, const struct utf8_data *);
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int utf8_open(struct utf8_data *, u_char);
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int utf8_append(struct utf8_data *, u_char);
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enum utf8_state utf8_open(struct utf8_data *, u_char);
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enum utf8_state utf8_append(struct utf8_data *, u_char);
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u_int utf8_combine(const struct utf8_data *);
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int utf8_split(u_int, struct utf8_data *);
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enum utf8_state utf8_split(u_int, struct utf8_data *);
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u_int utf8_split2(u_int, u_char *);
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int utf8_strvis(char *, const char *, size_t, int);
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char *utf8_sanitize(const char *);
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14
tty-keys.c
14
tty-keys.c
@ -472,9 +472,10 @@ tty_keys_next(struct tty *tty)
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const char *buf;
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size_t len, size;
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cc_t bspace;
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int delay, expired = 0, more;
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int delay, expired = 0;
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key_code key;
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struct utf8_data ud;
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enum utf8_state more;
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u_int i;
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/* Get key buffer. */
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@ -539,17 +540,16 @@ first_key:
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}
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/* Is this valid UTF-8? */
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if (utf8_open(&ud, (u_char)*buf)) {
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if ((more = utf8_open(&ud, (u_char)*buf) == UTF8_MORE)) {
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size = ud.size;
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if (len < size) {
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if (expired)
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goto discard_key;
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goto partial_key;
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}
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more = 1;
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for (i = 1; i < size; i++)
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more = utf8_append(&ud, (u_char)buf[i]);
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if (more != 0)
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if (more != UTF8_DONE)
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goto discard_key;
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key = utf8_combine(&ud);
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log_debug("UTF-8 key %.*s %#llx", (int)size, buf, key);
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@ -656,7 +656,7 @@ tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size)
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struct utf8_data ud;
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u_int i, value, x, y, b, sgr_b;
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u_char sgr_type, c;
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int more;
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enum utf8_state more;
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/*
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* Standard mouse sequences are \033[M followed by three characters
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@ -697,14 +697,14 @@ tty_keys_mouse(struct tty *tty, const char *buf, size_t len, size_t *size)
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return (1);
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if (tty->mode & MODE_MOUSE_UTF8) {
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if (utf8_open(&ud, buf[*size])) {
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if (utf8_open(&ud, buf[*size]) == UTF8_MORE) {
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if (ud.size != 2)
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return (-1);
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(*size)++;
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if (len <= *size)
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return (1);
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more = utf8_append(&ud, buf[*size]);
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if (more != 0)
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if (more != UTF8_DONE)
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return (-1);
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value = utf8_combine(&ud);
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} else
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80
utf8.c
80
utf8.c
@ -381,10 +381,8 @@ utf8_copy(struct utf8_data *to, const struct utf8_data *from)
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* 11000010-11011111 C2-DF start of 2-byte sequence
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* 11100000-11101111 E0-EF start of 3-byte sequence
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* 11110000-11110100 F0-F4 start of 4-byte sequence
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*
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* Returns 1 if more UTF-8 to come, 0 if not UTF-8.
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*/
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int
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enum utf8_state
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utf8_open(struct utf8_data *ud, u_char ch)
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{
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memset(ud, 0, sizeof *ud);
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@ -395,18 +393,13 @@ utf8_open(struct utf8_data *ud, u_char ch)
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else if (ch >= 0xf0 && ch <= 0xf4)
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ud->size = 4;
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else
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return (0);
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return (UTF8_ERROR);
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utf8_append(ud, ch);
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return (1);
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return (UTF8_MORE);
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}
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/*
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* Append character to UTF-8, closing if finished.
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*
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* Returns 1 if more UTF-8 data to come, 0 if finished and valid, -1 if
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* finished and invalid.
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*/
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int
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/* Append character to UTF-8, closing if finished. */
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enum utf8_state
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utf8_append(struct utf8_data *ud, u_char ch)
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{
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if (ud->have >= ud->size)
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@ -419,12 +412,12 @@ utf8_append(struct utf8_data *ud, u_char ch)
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ud->data[ud->have++] = ch;
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if (ud->have != ud->size)
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return (1);
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return (UTF8_MORE);
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if (ud->width == 0xff)
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return (-1);
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return (UTF8_ERROR);
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ud->width = utf8_width(utf8_combine(ud));
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return (0);
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return (UTF8_DONE);
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}
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/* Build UTF-8 width tree. */
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@ -501,7 +494,7 @@ utf8_combine(const struct utf8_data *ud)
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}
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/* Split 32-bit Unicode into UTF-8. */
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int
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enum utf8_state
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utf8_split(u_int uc, struct utf8_data *ud)
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{
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if (uc < 0x7f) {
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@ -523,9 +516,9 @@ utf8_split(u_int uc, struct utf8_data *ud)
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ud->data[2] = 0x80 | ((uc >> 6) & 0x3f);
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ud->data[3] = 0x80 | (uc & 0x3f);
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} else
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return (-1);
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return (UTF8_ERROR);
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ud->width = utf8_width(uc);
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return (0);
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return (UTF8_DONE);
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}
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/* Split a two-byte UTF-8 character. */
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@ -551,26 +544,24 @@ utf8_strvis(char *dst, const char *src, size_t len, int flag)
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{
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struct utf8_data ud;
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const char *start, *end;
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int more;
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enum utf8_state more;
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size_t i;
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start = dst;
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end = src + len;
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while (src < end) {
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if (utf8_open(&ud, *src)) {
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more = 1;
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while (++src < end && more == 1)
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if ((more = utf8_open(&ud, *src)) == UTF8_MORE) {
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while (++src < end && more == UTF8_MORE)
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more = utf8_append(&ud, *src);
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if (more == 0) {
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if (more == UTF8_DONE) {
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/* UTF-8 character finished. */
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for (i = 0; i < ud.size; i++)
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*dst++ = ud.data[i];
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continue;
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} else if (ud.have > 0) {
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/* Not a complete, valid UTF-8 character. */
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src -= ud.have;
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}
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/* Not a complete, valid UTF-8 character. */
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src -= ud.have;
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}
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if (src < end - 1)
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dst = vis(dst, src[0], flag, src[1]);
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@ -593,7 +584,7 @@ utf8_sanitize(const char *src)
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{
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char *dst;
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size_t n;
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int more;
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enum utf8_state more;
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struct utf8_data ud;
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u_int i;
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@ -602,11 +593,10 @@ utf8_sanitize(const char *src)
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n = 0;
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while (*src != '\0') {
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dst = xreallocarray(dst, n + 1, sizeof *dst);
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if (utf8_open(&ud, *src)) {
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more = 1;
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while (*++src != '\0' && more == 1)
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if ((more = utf8_open(&ud, *src)) == UTF8_MORE) {
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while (*++src != '\0' && more == UTF8_MORE)
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more = utf8_append(&ud, *src);
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if (more != 1) {
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if (more == UTF8_DONE) {
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dst = xreallocarray(dst, n + ud.width,
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sizeof *dst);
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for (i = 0; i < ud.width; i++)
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@ -617,6 +607,8 @@ utf8_sanitize(const char *src)
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}
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if (*src > 0x1f && *src < 0x7f)
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dst[n++] = *src;
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else
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dst[n++] = '_';
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src++;
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}
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@ -634,27 +626,24 @@ utf8_fromcstr(const char *src)
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{
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struct utf8_data *dst;
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size_t n;
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int more;
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enum utf8_state more;
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dst = NULL;
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n = 0;
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while (*src != '\0') {
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dst = xreallocarray(dst, n + 1, sizeof *dst);
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if (utf8_open(&dst[n], *src)) {
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more = 1;
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while (*++src != '\0' && more == 1)
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if ((more = utf8_open(&dst[n], *src)) == UTF8_MORE) {
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while (*++src != '\0' && more == UTF8_MORE)
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more = utf8_append(&dst[n], *src);
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if (more != 1) {
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if (more == UTF8_DONE) {
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n++;
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continue;
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}
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src -= dst[n].have;
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}
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if (*src > 0x1f && *src < 0x7f) {
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utf8_set(&dst[n], *src);
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n++;
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}
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utf8_set(&dst[n], *src);
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n++;
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src++;
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}
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@ -690,21 +679,20 @@ utf8_cstrwidth(const char *s)
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{
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struct utf8_data tmp;
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u_int width;
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int more;
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enum utf8_state more;
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width = 0;
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while (*s != '\0') {
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if (utf8_open(&tmp, *s)) {
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more = 1;
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while (*++s != '\0' && more == 1)
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if ((more = utf8_open(&tmp, *s)) == UTF8_MORE) {
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while (*++s != '\0' && more == UTF8_MORE)
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more = utf8_append(&tmp, *s);
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if (more != 1) {
|
||||
if (more == UTF8_DONE) {
|
||||
width += tmp.width;
|
||||
continue;
|
||||
}
|
||||
s -= tmp.have;
|
||||
}
|
||||
if (*s > 0x1f && *s < 0x7f)
|
||||
if (*s > 0x1f && *s != 0x7f)
|
||||
width++;
|
||||
s++;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user