int linenoiseColumns(void) {
struct current current;
enableRawMode(¤t);
getWindowSize(¤t);
disableRawMode(¤t);
return current.cols;
}
int linenoiseLines(void)
{
struct current current;
enableRawMode (¤t);
getWindowSize (¤t);
disableRawMode (¤t);
return current.rows;
}
static int linenoiseRaw(char* buf,
size_t buflen,
const char* prompt)
{
int count = -1;
if (buflen != 0)
{
if (enableRawMode() == -1)
return -1;
count = linenoisePrompt(buf, buflen, prompt);
disableRawMode();
printf("\n");
}
return count;
}
int main(int argc, char **argv) {
// takdit <ファイル名> という引数のみ実行
if (argc != 2) {
fprintf(stderr, "Usage: takdit <filename>\n");
exit(1);
}
initEditor(); // エディタの初期化
editorSelectSyntaxHighlight(argv[1]); // シンタックスハイライトの適用
editorOpen(argv[1]); // ファイルを開く
enableRawMode(STDIN_FILENO); // Rawモードの有効化
editorSetStatusMessage(
"HELP: Ctrl-S = save | Ctrl-Q = quit | Ctrl-F = find");
while (1) {
editorRefreshScreen(); // 変更の反映
editorProcessKeypress(STDIN_FILENO); // キー入力待ち
}
return 0;
}
char *linenoise(const char *prompt)
{
shouldTerminate = 0;
if(requestedInteractiveTermination()){
return NULL;
}
int count;
struct current current;
char buf[LINENOISE_MAX_LINE];
if (enableRawMode(¤t) == -1) {
printf("%s", prompt);
fflush(stdout);
if (fgets(buf, sizeof(buf), stdin) == NULL) {
return NULL;
}
count = strlen(buf);
if (count && buf[count-1] == '\n') {
count--;
buf[count] = '\0';
}
}
else
{
current.buf = buf;
current.bufmax = sizeof(buf);
current.len = 0;
current.chars = 0;
current.pos = 0;
current.prompt = prompt;
count = linenoisePrompt(¤t);
disableRawMode(¤t);
printf("\n");
if (count == -1) {
return NULL;
}
}
return my_strdup(buf);
}
char *linenoise(const char *prompt)
{
int count;
struct current current;
char buf[LINENOISE_MAX_LINE];
if (enableRawMode(¤t) == -1) {
printf("%s", prompt);
fflush(stdout);
if (fgets(buf, sizeof(buf), stdin) == NULL) {
return NULL;
}
count = strlen(buf);
if (count && buf[count-1] == '\n') {
count--;
buf[count] = '\0';
}
}
else
{
current.buf = buf;
current.bufmax = sizeof(buf);
current.len = 0;
current.chars = 0;
current.pos = 0;
current.prompt = prompt;
current.capture = NULL;
count = linenoiseEdit(¤t);
disableRawMode(¤t);
printf("\n");
free(current.capture);
if (count == -1) {
return NULL;
}
}
return strdup(buf);
}
static int linenoiseRaw(char *buf, size_t buflen, const char *prompt) {
int fd = STDIN_FILENO;
int count;
if (buflen == 0) {
errno = EINVAL;
return -1;
}
if (!isatty(STDIN_FILENO)) {
if (fgets(buf, buflen, stdin) == NULL) return -1;
count = strlen(buf);
if (count && buf[count-1] == '\n') {
count--;
buf[count] = '\0';
}
} else {
if (enableRawMode(fd) == -1) return -1;
count = linenoisePrompt(fd, buf, buflen, prompt);
disableRawMode(fd);
printf("\n");
}
return count;
}
/* This function calls the line editing function linenoiseEdit() using
* the STDIN file descriptor set in raw mode. */
static int linenoiseRaw(char *buf, size_t buflen, char *prompt) {
int count;
if (buflen == 0) {
errno = EINVAL;
return -1;
}
if (!isatty(STDIN_FILENO)) {
/* Not a tty: read from file / pipe. */
if (fgets(buf, buflen, stdin) == NULL) return -1;
count = strlen(buf);
if (count && buf[count-1] == '\n') {
count--;
buf[count] = '\0';
}
} else {
/* Interactive editing. */
if (enableRawMode(STDIN_FILENO) == -1) return -1;
count = linenoiseEdit(STDIN_FILENO, STDOUT_FILENO, buf, buflen, prompt);
disableRawMode(STDIN_FILENO);
printf("\n");
}
return count;
}
/* This special mode is used by linenoise in order to print scan codes
* on screen for debugging / development purposes. It is implemented
* by the linenoise_example program using the --keycodes option. */
void linenoisePrintKeyCodes(void) {
char quit[4];
printf("Linenoise key codes debugging mode.\n"
"Press keys to see scan codes. Type 'quit' at any time to exit.\n");
if (enableRawMode(STDIN_FILENO) == -1) return;
memset(quit,' ',4);
while(1) {
char c;
int nread;
nread = read(STDIN_FILENO,&c,1);
if (nread <= 0) continue;
memmove(quit,quit+1,sizeof(quit)-1); /* shift string to left. */
quit[sizeof(quit)-1] = c; /* Insert current char on the right. */
if (memcmp(quit,"quit",sizeof(quit)) == 0) break;
printf("'%c' %02x (%d) (type quit to exit)\n",
isprint(c) ? c : '?', (int)c, (int)c);
printf("\r"); /* Go left edge manually, we are in raw mode. */
fflush(stdout);
}
disableRawMode(STDIN_FILENO);
}
void do_console(int fd)
{
fd_set rfds;
struct timeval tv;
int rc;
if (0 != enableRawMode())
{
fprintf(stderr, "Not a TTY?\n");
return;
}
while(1)
{
uint8_t c;
tv.tv_sec = 1;
tv.tv_usec = 0;
int maxfd = 1;
FD_ZERO(&rfds);
FD_SET(0, &rfds);
FD_SET(fd, &rfds);
maxfd = fd+1;
rc = select(maxfd, &rfds, NULL, NULL, &tv);
if (rc == -1)
{
fprintf(stderr, "select failed\n");
return;
}
else
if (rc)
{
if (FD_ISSET(0, &rfds))
{
if(read(0, &c, 1) > 0)
{
if (c == 0x03 || c == 0x04) // ctrl-d, ctrl-c
{
return;
}
if (1 != serialWrite(fd, &c, 1))
{
fprintf(stderr, "write error\n");
return;
}
}
}
else
if (FD_ISSET(fd, &rfds))
{
if(serialRead(fd, &c, 1) > 0)
{
if (1 != write(1, &c, 1))
{
fprintf(stderr, "write error\n");
return;
}
}
}
}
else
{
// timeout
}
}
}