rc

[fork] interactive rc shell
git clone https://hhvn.uk/rc
git clone git://hhvn.uk/rc
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edit-vrl.c (1713B)

      1 #include "rc.h"
      2 
      3 #include <errno.h>
      4 #include <stdio.h>
      5 
      6 #include "edit.h"
      7 
      8 extern char *readline(char *);
      9 extern void add_history(char *);
     10 
     11 bool editing = 1;
     12 
     13 struct cookie {
     14 	char *buffer;
     15 };
     16 
     17 static char *prompt;
     18 
     19 void *edit_begin(int fd) {
     20 	List *hist;
     21 	struct cookie *c;
     22 
     23 
     24 	hist = varlookup("history");
     25 	if (hist != NULL)
     26 		;
     27 		/* XXX will need to loop calling add_history() */
     28 
     29 	c = ealloc(sizeof *c);
     30 	c->buffer = NULL;
     31 	return c;
     32 }
     33 
     34 /*
     35 static void (*oldint)(int), (*oldquit)(int);
     36 
     37 static void edit_catcher(int sig) {
     38 	sys_signal(SIGINT, oldint);
     39 	sys_signal(SIGQUIT, oldquit);
     40 	write(2, "\n", 1);
     41 	rc_raise(eError);
     42 }
     43 
     44 */
     45 
     46 char *edit_alloc(void *cookie, size_t *count) {
     47 	struct cookie *c = cookie;
     48 /*
     49 	const char *r;
     50 	HistEvent he;
     51 	struct cookie *c = cookie;
     52 
     53 	oldint = sys_signal(SIGINT, edit_catcher);
     54 	oldquit = sys_signal(SIGQUIT, edit_catcher);
     55 
     56 	r = el_gets(c->el, count);
     57 
     58 	sys_signal(SIGINT, oldint);
     59 	sys_signal(SIGQUIT, oldquit);
     60 
     61 	if (r)
     62 		history(c->hist, &he, H_ENTER, r);
     63 */
     64 
     65 	c->buffer = readline(prompt);
     66 	if (c->buffer) {
     67 		add_history(c->buffer);
     68 		*count = strlen(c->buffer);
     69 		c->buffer[*count] = '\n';
     70 		++*count;
     71 	}
     72 	return c->buffer;
     73 }
     74 
     75 /*
     76 static char *edit_prompter(ne *e) {
     77 	return prompt;
     78 }
     79 */
     80 
     81 void edit_prompt(void *cookie, char *pr) {
     82 	//struct cookie *c = cookie;
     83 
     84 	prompt = pr;
     85 	//el_set(c->el, EL_PROMPT, edit_prompter);
     86 }
     87 
     88 void edit_free(void *cookie) {
     89 	struct cookie *c = cookie;
     90 
     91 	efree(c->buffer);
     92 	c->buffer = NULL; /* allow "overfrees" */
     93 }
     94 
     95 void edit_end(void *cookie) {
     96 	//struct cookie *c = cookie;
     97 
     98 	//el_end(c->el);
     99 	//history_end(c->hist);
    100 	//efree(c);
    101 }
    102 
    103 void edit_reset(void *cookie) {
    104 	//struct cookie *c = cookie;
    105 
    106 	//el_set(c->el, EL_TERMINAL, NULL);
    107 }