--- /dev/null
+/* $Header$
+ *
+ * Copyright 1992 by the Massachusetts Institute of Technology.
+ *
+ * For further information on copyright and distribution
+ * see the file mit-copyright.h
+ */
+
+#include <mit-copyright.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/signal.h>
+#include <sgtty.h>
+#include <sys/ioctl.h>
+#include <ctype.h>
+#include <strings.h>
+#include <X11/Intrinsic.h>
+#include "mmoira.h"
+
+static char rcsid[] = "$Header$";
+
+
+struct TtyMenu {
+ char line[48];
+ MenuItem *menu;
+} *TtyCommands = NULL;
+
+extern int NumMenus;
+extern MenuItem MenuRoot;
+char prompt[] = "moira> ";
+
+static menucmp(a, b)
+struct TtyMenu *a, *b;
+{
+ return(strcmp(a->line, b->line));
+}
+
+
+TtyMainLoop()
+{
+ char buf[1024], cbuf[2], c, *p;
+ int arg, i, done;
+ struct sgttyb tty, ntty;
+
+ if (TtyCommands == NULL) {
+ parse_menus();
+ }
+
+ ioctl(0, TIOCFLUSH, &arg);
+ ioctl(0, TIOCGETP, &tty);
+ ntty = tty;
+ ntty.sg_flags |= RAW;
+ ntty.sg_flags &= ~ECHO;
+ ioctl(0, TIOCSETP, &ntty);
+
+ while (1) {
+ parser(prompt, &TtyCommands[0]);
+ }{
+ write(1, prompt, strlen(prompt));
+ p = &buf[0];
+ buf[0] = '\0';
+ for (done = 0; !done;) {
+ i = read(0, cbuf, 1);
+ c = cbuf[0];
+ cbuf[1] = '\0';
+ switch (c) {
+ /* Backspace, Delete */
+ case 0177:
+ case '\b':
+ if (p > &buf[0]) {
+ if (p[-1] == '\t') {
+ *(--p) = '\0';
+ write(1, "\r", 1);
+ write(1, prompt, strlen(prompt));
+ write(1, buf, strlen(buf));
+ } else {
+ write(1, "\b \b", 3);
+ *(--p) = '\0';
+ }
+ }
+ break;
+ /* Erase Word */
+ case 'W' - '@':
+ if (p > &buf[0])
+ p--;
+ while (p > &buf[0] && isspace(*p)) {
+ write(1, "\b \b", 3);
+ p--;
+ }
+ while (p >= &buf[0] && !isspace(*p)) {
+ write(1, "\b \b", 3);
+ p--;
+ }
+ if (p > &buf[0])
+ p++;
+ else
+ p = &buf[0];
+ *p = 0;
+ break;
+ /* Suspend */
+ case 'Z' - '@':
+ ioctl(0, TIOCSETP, &tty);
+ kill(getpid(), SIGSTOP);
+ ioctl(0, TIOCSETP, &ntty);
+ write(1, prompt, strlen(prompt));
+ write(1, buf, strlen(buf));
+ break;
+ /* Exit */
+ case 'C' - '@':
+ write(1, "\r\n", 2);
+ ioctl(0, TIOCSETP, &tty);
+ exit(0);
+ break;
+ /* Clear Line */
+ case 'U' - '@':
+ while (p > &buf[0]) {
+ write(1, "\b \b", 3);
+ *(--p) = '\0';
+ }
+ write(1, "\r", 1);
+ write(1, prompt, strlen(prompt));
+ break;
+ /* Redraw Line */
+ case 'L' - '@':
+ case 'R' - '@':
+ write(1, "XXX\r\n", 5);
+ write(1, prompt, strlen(prompt));
+ write(1, buf, p - &buf[0]);
+ break;
+ /* Complete field */
+ case '\t':
+ case '[' - '@':
+ do_complete(buf);
+ break;
+ /* Help */
+ case '?':
+ write(1, "? ", 3);
+ do_help(buf);
+ write(1, prompt, strlen(prompt));
+ write(1, buf, strlen(buf));
+ break;
+ /* Execute Command */
+ case '\n':
+ case '\r':
+ done = 1;
+ write(1, "\r\n", 2);
+ execute_command(buf);
+ break;
+ /* Quote character */
+ case 'Q' - '@':
+ case 'V' - '@':
+ i = read(0, cbuf, 1);
+ c = cbuf[0];
+ /* Insert character */
+ default:
+ write(1, cbuf, 1);
+ *p++ = c;
+ *p = '\0';
+ }
+ }
+ }
+}
+
+
+static char *NextWord(s)
+char *s;
+{
+ while (*s && !isspace(*s)) s++;
+ while (*s && isspace(*s)) s++;
+ return(s);
+}
+
+static do_match(line, word)
+char *line;
+int word;
+{
+ int i, j, k, match, len;
+ char *p, *wrd, *linep;
+
+ linep = NthWord(line, word);
+ if (linep == NULL) {
+ return(NULL);
+ }
+ p = index(linep, ' ');
+ if (p)
+ len = p - linep;
+ else
+ len = strlen(linep);
+ match = -1;
+
+ for (i = 0; TtyCommands[i].menu; i++) {
+ j = strncmp(NthWord(TtyCommands[i].line, word), linep, len);
+ if (j == 0 && match == -1) match = i;
+ if (j > 0) {
+ if (match == -1) {
+ return(NULL);
+ }
+ if (match == i - 1) {
+ return(i);
+ }
+ if (NumWords(line) > 1) {
+ word = NextWord(line);
+ p = index(word, ' ');
+ if (p)
+ len = p - word;
+ else
+ len = strlen(word);
+ for (k = match; k < i; i++) {
+ }
+ }
+ for (j = match; j < i; j++) {
+ write(1, "\r\n ", 4);
+ write(1, TtyCommands[j].line, strlen(TtyCommands[j].line));
+ }
+ write(1, "\r\n", 2);
+ return;
+ }
+ }
+ printf("How'd we get here? j=%d, i=%d\r\n", j, i); fflush(stdout);
+}
+
+do_help(line)
+char *line;
+{
+ int i, j, k, match, len;
+ char *p, *word;
+
+ p = index(line, ' ');
+ if (p)
+ len = p - line;
+ else
+ len = strlen(line);
+ match = -1;
+
+ printf("Help(%s) len %d\r\n", line, len); fflush(stdout);
+
+ for (i = 0; TtyCommands[i].menu; i++) {
+ printf("strncmp(%s, %s, %d)\r\n", TtyCommands[i].line, line, len);
+ fflush(stdout);
+ j = strncmp(TtyCommands[i].line, line, len);
+ if (j == 0 && match == -1) match = i;
+ if (j > 0) {
+ if (match == -1) {
+ write(1, "Nothing matches\r\n", 17);
+ printf("Comparing %s\r\n", TtyCommands[i].line); fflush(stdout);
+ return;
+ }
+ if (match == i - 1) {
+ write(1, "Command, only one matches:\r\n ", 30);
+ write(1, TtyCommands[i-1].line, strlen(TtyCommands[i-1].line));
+ write(1, "\r\n", 2);
+ return;
+ }
+ if (NumWords(line) > 1) {
+ word = NextWord(line);
+ p = index(word, ' ');
+ if (p)
+ len = p - word;
+ else
+ len = strlen(word);
+ for (k = match; k < i; i++) {
+ }
+ }
+ write(1, "Command, one of:", 16);
+ for (j = match; j < i; j++) {
+ write(1, "\r\n ", 4);
+ write(1, TtyCommands[j].line, strlen(TtyCommands[j].line));
+ }
+ write(1, "\r\n", 2);
+ return;
+ }
+ }
+ printf("How'd we get here? j=%d, i=%d\r\n", j, i); fflush(stdout);
+}
+
+do_complete(line)
+char *line;
+{
+}
+
+execute_command(line)
+char *line;
+{
+}
+
+
+static NumWords(s)
+char *s;
+{
+ int ret;
+
+ for (ret = 1; *s; s++)
+ if (*s == ' ') ret++;
+ return(ret);
+}
+
+
+static parse_menus()
+{
+ int arg;
+
+ TtyCommands = (struct TtyMenu *)malloc(sizeof(struct TtyMenu) *
+ NumMenus * 3);
+ arg = 0;
+ parse_menu_recursive(&MenuRoot, "", &arg);
+}
+
+
+static parse_menu_recursive(m, parent, i)
+MenuItem *m;
+char *parent;
+int *i;
+{
+ char buf[64], cmd[64], *word;
+ struct parse_node *p, **prev;
+ int j;
+
+ if (m->submenu == NULL) {
+ if (!strcmp(parent, "file") ||
+ !strcmp(parent, "misc"))
+ parent = "";
+ if (NumWords(m->label) > 2)
+ strcpy(cmd, m->label);
+ else
+ sprintf(cmd, "%s %s", m->label, parent);
+ /* insert command into parse tree */
+ p = &TtyCommands[0];
+ prev = (struct parse_node **) NULL;
+ for (word = cmd; word != (char *)1; word = index(word, ' ') + 1) {
+ s = index(word, ' ');
+ if (s)
+ len = s - word;
+ else
+ len = strlen(word);
+ for (; !p || p->p_peer; p = p->p_peer) {
+ if (!p || (j = strncmp(p->data, word, len)) < 0) {
+ TtyCommands[*i].p_type = KEYWORD;
+ strcpy(buf, word);
+ buf[len] = 0;
+ TtyCommands[*i].p_word = strsave(buf);
+ TtyCommands[*i].p_noise = NULL;
+ TtyCommands[*i].p_param = m;
+ TtyCommands[*i].p_help = NULL;
+ TtyCommands[*i].p_ret = NONE;
+ TtyCommands[*i].p_peer = p;
+ if (prev)
+ prev->p_peer = &TtyCommands[*i];
+ TtyCommands[*i].p_next = (struct parse_node *) NULL;
+ TtyCommands[*i].p_link = (struct parse_node *) NULL;
+ i++;
+ break;
+ } else if (j == 0) {
+ prev = &(p->p_next);
+ if (p->p_next)
+ p = p->next;
+ else
+ p = (struct parse_node *) NULL;
+ break;
+ } else {
+ prev = &(p->p_peer);
+ }
+ }
+ }
+ *i = *i + 1;
+ return;
+ }
+ if (!strcmp(m->label, "?help")) return;
+ for (j = 0; m->submenu[j]; j++) {
+ if (m == &MenuRoot)
+ buf[0] = 0;
+ else if (strlen(parent))
+ sprintf(buf, "%s %s", parent, m->label);
+ else
+ strcpy(buf, m->label);
+ parse_menu_recursive(m->submenu[j], buf, i);
+ }
+}
+
+
+TtyForm(f)
+EntryForm *f;
+{
+}
andersk / moira.git / commitdiff
