Annotation of embedaddon/tmux/cmd-show-options.c, revision 1.1
1.1 ! misho 1: /* $OpenBSD$ */
! 2:
! 3: /*
! 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
! 5: *
! 6: * Permission to use, copy, modify, and distribute this software for any
! 7: * purpose with or without fee is hereby granted, provided that the above
! 8: * copyright notice and this permission notice appear in all copies.
! 9: *
! 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
! 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
! 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
! 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
! 14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
! 15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
! 16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
! 17: */
! 18:
! 19: #include <sys/types.h>
! 20:
! 21: #include <stdlib.h>
! 22: #include <string.h>
! 23:
! 24: #include "tmux.h"
! 25:
! 26: /*
! 27: * Show options.
! 28: */
! 29:
! 30: static enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmdq_item *);
! 31:
! 32: static enum cmd_retval cmd_show_options_one(struct cmd *, struct cmdq_item *,
! 33: struct options *);
! 34: static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
! 35: struct options *);
! 36:
! 37: const struct cmd_entry cmd_show_options_entry = {
! 38: .name = "show-options",
! 39: .alias = "show",
! 40:
! 41: .args = { "gqst:vw", 0, 1 },
! 42: .usage = "[-gqsvw] [-t target-session|target-window] [option]",
! 43:
! 44: .tflag = CMD_WINDOW_CANFAIL,
! 45:
! 46: .flags = CMD_AFTERHOOK,
! 47: .exec = cmd_show_options_exec
! 48: };
! 49:
! 50: const struct cmd_entry cmd_show_window_options_entry = {
! 51: .name = "show-window-options",
! 52: .alias = "showw",
! 53:
! 54: .args = { "gvt:", 0, 1 },
! 55: .usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
! 56:
! 57: .tflag = CMD_WINDOW_CANFAIL,
! 58:
! 59: .flags = CMD_AFTERHOOK,
! 60: .exec = cmd_show_options_exec
! 61: };
! 62:
! 63: static enum cmd_retval
! 64: cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
! 65: {
! 66: struct args *args = self->args;
! 67: struct cmd_find_state *fs = &item->state.tflag;
! 68: struct options *oo;
! 69: enum options_table_scope scope;
! 70: char *cause;
! 71: int window;
! 72:
! 73: window = (self->entry == &cmd_show_window_options_entry);
! 74: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
! 75: if (scope == OPTIONS_TABLE_NONE) {
! 76: cmdq_error(item, "%s", cause);
! 77: free(cause);
! 78: return (CMD_RETURN_ERROR);
! 79: }
! 80:
! 81: if (args->argc == 0)
! 82: return (cmd_show_options_all(self, item, oo));
! 83: else
! 84: return (cmd_show_options_one(self, item, oo));
! 85: }
! 86:
! 87: static void
! 88: cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
! 89: struct options_entry *o, int idx)
! 90: {
! 91: const char *name;
! 92: const char *value;
! 93: char *tmp, *escaped;
! 94: u_int size, i;
! 95:
! 96: if (idx != -1) {
! 97: xasprintf(&tmp, "%s[%d]", options_name(o), idx);
! 98: name = tmp;
! 99: } else {
! 100: if (options_array_size(o, &size) != -1) {
! 101: for (i = 0; i < size; i++) {
! 102: if (options_array_get(o, i) == NULL)
! 103: continue;
! 104: cmd_show_options_print(self, item, o, i);
! 105: }
! 106: return;
! 107: }
! 108: tmp = NULL;
! 109: name = options_name(o);
! 110: }
! 111:
! 112: value = options_tostring(o, idx, 0);
! 113: if (args_has(self->args, 'v'))
! 114: cmdq_print(item, "%s", value);
! 115: else if (options_isstring(o)) {
! 116: utf8_stravis(&escaped, value, VIS_OCTAL|VIS_TAB|VIS_NL|VIS_DQ);
! 117: cmdq_print(item, "%s \"%s\"", name, escaped);
! 118: free(escaped);
! 119: } else
! 120: cmdq_print(item, "%s %s", name, value);
! 121:
! 122: free(tmp);
! 123: }
! 124:
! 125: static enum cmd_retval
! 126: cmd_show_options_one(struct cmd *self, struct cmdq_item *item,
! 127: struct options *oo)
! 128: {
! 129: struct args *args = self->args;
! 130: struct options_entry *o;
! 131: int idx, ambiguous;
! 132: const char *name = args->argv[0];
! 133:
! 134: o = options_match_get(oo, name, &idx, 1, &ambiguous);
! 135: if (o == NULL) {
! 136: if (args_has(args, 'q'))
! 137: return (CMD_RETURN_NORMAL);
! 138: if (ambiguous) {
! 139: cmdq_error(item, "ambiguous option: %s", name);
! 140: return (CMD_RETURN_ERROR);
! 141: }
! 142: if (*name != '@' &&
! 143: options_match_get(oo, name, &idx, 0, &ambiguous) != NULL)
! 144: return (CMD_RETURN_NORMAL);
! 145: cmdq_error(item, "unknown option: %s", name);
! 146: return (CMD_RETURN_ERROR);
! 147: }
! 148: cmd_show_options_print(self, item, o, idx);
! 149: return (CMD_RETURN_NORMAL);
! 150: }
! 151:
! 152: static enum cmd_retval
! 153: cmd_show_options_all(struct cmd *self, struct cmdq_item *item,
! 154: struct options *oo)
! 155: {
! 156: struct options_entry *o;
! 157: const struct options_table_entry *oe;
! 158: u_int size, idx;
! 159:
! 160: o = options_first(oo);
! 161: while (o != NULL) {
! 162: oe = options_table_entry(o);
! 163: if (oe != NULL && oe->style != NULL) {
! 164: o = options_next(o);
! 165: continue;
! 166: }
! 167: if (options_array_size(o, &size) == -1)
! 168: cmd_show_options_print(self, item, o, -1);
! 169: else {
! 170: for (idx = 0; idx < size; idx++) {
! 171: if (options_array_get(o, idx) == NULL)
! 172: continue;
! 173: cmd_show_options_print(self, item, o, idx);
! 174: }
! 175: }
! 176: o = options_next(o);
! 177: }
! 178: return (CMD_RETURN_NORMAL);
! 179: }
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