From 31ab7b9ac5570db9da50014abb31adb618218324 Mon Sep 17 00:00:00 2001 From: Olivier Matz Date: Thu, 6 Jun 2019 19:38:14 +0200 Subject: [PATCH] remove file added by mistake --- src/editline.c | 544 ------------------------------------------------- 1 file changed, 544 deletions(-) delete mode 100644 src/editline.c diff --git a/src/editline.c b/src/editline.c deleted file mode 100644 index 449aebb..0000000 --- a/src/editline.c +++ /dev/null @@ -1,544 +0,0 @@ -/* - * Copyright 2018 6WIND S.A. - */ - -#define _GNU_SOURCE -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -#include "string_utils.h" -#include "editline.h" - -#define NC_CLI_HISTORY_SIZE 128 - -struct nc_cli_editline { - EditLine *editline; - History *history; - HistEvent histev; - bool break_received; - nc_cli_editline_complete_t complete; - FILE *null_out; - bool interactive; - bool incomplete_line; - char *full_line; - char *(*prompt_cb)(EditLine *); -}; - -struct nc_cli_editline *nc_cli_el; - -static int check_quotes(const char *str) -{ - char quote = 0; - size_t i = 0; - - while (str[i] != '\0') { - if (quote == 0) { - if (str[i] == '"' || str[i] == '\'') { - quote = str[i]; - } - i++; - continue; - } else { - if (str[i] == quote) { - i++; - quote = 0; - } else if (str[i] == '\\' && str[i+1] == quote) { - i += 2; - } else { - i++; - } - continue; - } - } - - return quote; -} - -static int -editline_break(EditLine *editline, int c) -{ - struct nc_cli_editline *el; - void *ptr; - - (void)c; - - if (el_get(editline, EL_CLIENTDATA, &ptr)) - return CC_ERROR; - - el = ptr; - el->break_received = true; - nc_cli_printf(el, "\n"); - - return CC_EOF; -} - -static int -editline_suspend(EditLine *editline, int c) -{ - (void)editline; - (void)c; - - kill(getpid(), SIGSTOP); - - return CC_NORM; -} - -int -editline_get_screen_size(struct nc_cli_editline *el, size_t *rows, size_t *cols) -{ - int w, h; - - if (rows != NULL) { - if (el_get(el->editline, EL_GETTC, "li", &h, (void *)0)) - return -1; - *rows = h; - } - if (cols != NULL) { - if (el_get(el->editline, EL_GETTC, "co", &w, (void *)0)) - return -1; - *cols = w; - } - return 0; -} - -FILE * -nc_cli_editline_get_file(struct nc_cli_editline *el, int num) -{ - FILE *f; - - if (el == NULL) - return NULL; - if (num > 2) - return NULL; - if (el_get(el->editline, EL_GETFP, num, &f)) - return NULL; - - return f; -} - -/* match the prototype expected by qsort() */ -static int -strcasecmp_cb(const void *p1, const void *p2) -{ - return strcasecmp(*(char * const *)p1, *(char * const *)p2); -} - -/* Show the matches as a multi-columns list */ -int -nc_cli_editline_print_cols(struct nc_cli_editline *el, - char const * const *matches, size_t n) -{ - size_t max_strlen = 0, len, i, j, ncols; - size_t width, height; - const char *space; - char **matches_copy = NULL; - - nc_cli_printf(nc_cli_el, "\n"); - if (n == 0) - return 0; - - if (editline_get_screen_size(el, &height, &width) < 0) - width = 80; - - /* duplicate the matches table, and sort it */ - matches_copy = calloc(n, sizeof(const char *)); - if (matches_copy == NULL) - return -1; - memcpy(matches_copy, matches, sizeof(const char *) * n); - qsort(matches_copy, n, sizeof(char *), strcasecmp_cb); - - /* get max string length */ - for (i = 0; i < n; i++) { - len = strlen(matches_copy[i]); - if (len > max_strlen) - max_strlen = len; - } - - /* write the columns */ - ncols = width / (max_strlen + 4); - if (ncols == 0) - ncols = 1; - for (i = 0; i < n; i+= ncols) { - for (j = 0; j < ncols; j++) { - if (i + j >= n) - break; - if (j == 0) - space = ""; - else - space = " "; - nc_cli_printf(nc_cli_el, "%s%-*s", space, - (int)max_strlen, matches[i+j]); - } - nc_cli_printf(nc_cli_el, "\n"); - } - - free(matches_copy); - return 0; -} - -static int -editline_complete(EditLine *editline, int c) -{ - enum nc_cli_editline_complete_status ret; - const LineInfo *line_info; - struct nc_cli_editline *el; - int len; - char *line; - void *ptr; - - if (el_get(editline, EL_CLIENTDATA, &ptr)) - return CC_ERROR; - - el = ptr; - - if (el->complete == NULL) - return CC_NORM; - - line_info = el_line(editline); - if (line_info == NULL) - return CC_ERROR; - - len = line_info->cursor - line_info->buffer; - if (asprintf(&line, "%s%.*s", el->full_line ? : "", len, - line_info->buffer) < 0) - return CC_ERROR; - - if (c == '?' && check_quotes(line) != 0) { - free(line); - el_insertstr(editline, "?"); - return CC_REFRESH; - } - - ret = el->complete(c, line); - free(line); - - if (ret == ERROR) - return CC_ERROR; - else if (ret == REDISPLAY) - return CC_REDISPLAY; - else - return CC_REFRESH; -} - -static bool is_blank_string(const char *s) -{ - while (*s) { - if (!isspace(*s)) - return false; - s++; - } - return true; -} - -static char * -multiline_prompt_cb(EditLine *e) -{ - (void)e; - return strdup("... "); -} - -const char * -nc_cli_editline_edit(struct nc_cli_editline *el) -{ - const char *line; - int count; - - assert(el->editline != NULL); - - if (el->incomplete_line == false) { - free(el->full_line); - el->full_line = NULL; - } - - el->break_received = false; - - if (el->incomplete_line) - el_set(el->editline, EL_PROMPT, multiline_prompt_cb); - else - el_set(el->editline, EL_PROMPT, el->prompt_cb); - - line = el_gets(el->editline, &count); - - if (line == NULL && el->break_received) { - free(el->full_line); - el->full_line = NULL; - el->incomplete_line = false; - return ""; /* abort current line */ - } - - if (line == NULL || astrcat(&el->full_line, line) < 0) { - free(el->full_line); - el->full_line = NULL; - el->incomplete_line = false; - return NULL; /* error / eof */ - } - - if (check_quotes(el->full_line) != 0) { - el->incomplete_line = true; - return ""; - } - - el->incomplete_line = false; - if (el->history != NULL && !is_blank_string(el->full_line)) - history(el->history, &el->histev, - H_ENTER, el->full_line); - - return el->full_line; -} - -int -nc_cli_editline_register_complete(struct nc_cli_editline *el, - nc_cli_editline_complete_t complete) -{ - const char *name; - - if (el_set(el->editline, EL_ADDFN, "ed-complete", - "Complete buffer", - editline_complete)) - return -1; - - if (complete != NULL) - name = "ed-complete"; - else - name = "ed-unassigned"; - if (el_set(el->editline, EL_BIND, "^I", name, NULL)) - return -1; - - if (complete != NULL) - name = "ed-complete"; - else - name = "ed-insert"; - if (el_set(el->editline, EL_BIND, "?", name, NULL)) - return -1; - - el->complete = complete; - - return 0; -} - -int -nc_cli_editline_insert_str(struct nc_cli_editline *el, const char *str) -{ - return el_insertstr(el->editline, str); -} - -int nc_cli_printf(struct nc_cli_editline *el, const char *format, ...) -{ - FILE *out = nc_cli_editline_get_file(el, 1); - va_list ap; - int ret; - - if (out == NULL) - out = stdout; - - va_start(ap, format); - ret = vfprintf(out, format, ap); - va_end(ap); - - return ret; -} - -int nc_cli_eprintf(struct nc_cli_editline *el, const char *format, ...) -{ - FILE *out = nc_cli_editline_get_file(el, 2); - va_list ap; - int ret; - - if (out == NULL) - out = stderr; - - va_start(ap, format); - ret = vfprintf(out, format, ap); - va_end(ap); - - return ret; -} - -bool -nc_cli_editline_is_interactive(struct nc_cli_editline *el) -{ - return el->interactive; -} - -bool -nc_cli_editline_is_running(struct nc_cli_editline *el) -{ - return el == nc_cli_el; -} - -void -nc_cli_editline_start(struct nc_cli_editline *el) -{ - nc_cli_el = el; -} - -void -nc_cli_editline_stop(struct nc_cli_editline *el) -{ - if (el == nc_cli_el) - nc_cli_el = NULL; -} - -int -nc_cli_editline_getc(struct nc_cli_editline *el) -{ - char c; - - if (el->interactive == false) - return -1; - - if (el_getc(el->editline, &c) != 1) - return -1; - - return c; -} - -int -nc_cli_editline_resize(struct nc_cli_editline *el) -{ - el_resize(el->editline); - return 0; -} - -int nc_cli_editline_set_prompt_cb(struct nc_cli_editline *el, - char *(*prompt_cb)(EditLine *el)) -{ - el->prompt_cb = prompt_cb; - return 0; -} - -int -nc_cli_editline_mask_interrupts(bool do_mask) -{ - const char *setty = do_mask ? "-isig" : "+isig"; - - if (nc_cli_el == NULL) - return -1; - - if (nc_cli_el->interactive == false) - return 0; - - if (el_set(nc_cli_el->editline, EL_SETTY, "-d", setty, NULL)) - return -1; - - return 0; -} - -struct nc_cli_editline * -nc_cli_editline_init(FILE *f_in, FILE *f_out, FILE *f_err, bool interactive, - char *(*prompt_cb)(EditLine *el)) -{ - struct nc_cli_editline *el = NULL; - - el = calloc(1, sizeof(*el)); - if (el == NULL) - goto fail; - if (f_in == NULL) { - errno = EINVAL; - goto fail; - } - if (f_out == NULL || f_err == NULL) { - el->null_out = fopen("/dev/null", "w"); - if (el->null_out == NULL) - goto fail; - } - if (f_out == NULL) - f_out = el->null_out; - if (f_err == NULL) - f_err = el->null_out; - - el->interactive = interactive; - el->prompt_cb = prompt_cb; - - el->editline = el_init("nc-cli", f_in, f_out, f_err); - if (el->editline == NULL) - goto fail; - - if (el_set(el->editline, EL_SIGNAL, 1)) - goto fail; - - if (el_set(el->editline, EL_CLIENTDATA, el)) - goto fail; - - if (el_set(el->editline, EL_PROMPT, prompt_cb)) - goto fail; - - if (interactive == false) - goto end; - - if (el_set(el->editline, EL_PREP_TERM, 0)) - goto fail; - - if (el_set(el->editline, EL_EDITOR, "emacs")) - goto fail; - - if (el_set(el->editline, EL_SETTY, "-d", "-isig", NULL)) - goto fail; - if (el_set(el->editline, EL_ADDFN, "ed-break", - "Break and flush the buffer", - editline_break)) - goto fail; - if (el_set(el->editline, EL_BIND, "^C", "ed-break", NULL)) - goto fail; - if (el_set(el->editline, EL_ADDFN, "ed-suspend", - "Suspend the terminal", - editline_suspend)) - goto fail; - if (el_set(el->editline, EL_BIND, "^Z", "ed-suspend", NULL)) - goto fail; - if (el_set(el->editline, EL_BIND, "^W", "ed-delete-prev-word", NULL)) - goto fail; - - el->history = history_init(); - if (!el->history) - goto fail; - if (history(el->history, &el->histev, H_SETSIZE, - NC_CLI_HISTORY_SIZE) < 0) - goto fail; - if (history(el->history, &el->histev, - H_SETUNIQUE, 1)) - goto fail; - if (el_set(el->editline, EL_HIST, history, - el->history)) - goto fail; - -end: - return el; - -fail: - if (el != NULL) { - if (el->null_out != NULL) - fclose(el->null_out); - if (el->history != NULL) - history_end(el->history); - if (el->editline != NULL) - el_end(el->editline); - free(el); - } - return NULL; -} - -void -nc_cli_editline_free(struct nc_cli_editline *el) -{ - if (el == NULL) - return; - nc_cli_editline_stop(el); - if (el->null_out != NULL) - fclose(el->null_out); - if (el->history != NULL) - history_end(el->history); - el_end(el->editline); - free(el->full_line); - free(el); -} -- 2.20.1