Annotation of src/usr.bin/tmux/cmd-show-options.c, Revision 1.56
1.56 ! nicm 1: /* $OpenBSD: cmd-show-options.c,v 1.55 2019/06/20 07:41:29 nicm Exp $ */
1.1 nicm 2:
3: /*
1.30 nicm 4: * Copyright (c) 2007 Nicholas Marriott <nicholas.marriott@gmail.com>
1.1 nicm 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>
1.35 nicm 23: #include <vis.h>
1.1 nicm 24:
25: #include "tmux.h"
26:
27: /*
28: * Show options.
29: */
30:
1.34 nicm 31: static enum cmd_retval cmd_show_options_exec(struct cmd *, struct cmdq_item *);
1.1 nicm 32:
1.46 nicm 33: static void cmd_show_options_print(struct cmd *, struct cmdq_item *,
1.54 nicm 34: struct options_entry *, int, int);
1.34 nicm 35: static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *,
1.56 ! nicm 36: int, struct options *);
1.18 nicm 37:
1.1 nicm 38: const struct cmd_entry cmd_show_options_entry = {
1.28 nicm 39: .name = "show-options",
40: .alias = "show",
41:
1.56 ! nicm 42: .args = { "AgHpqst:vw", 0, 1 },
! 43: .usage = "[-AgHpqsvw] " CMD_TARGET_PANE_USAGE " [option]",
1.28 nicm 44:
1.56 ! nicm 45: .target = { 't', CMD_FIND_PANE, CMD_FIND_CANFAIL },
1.29 nicm 46:
1.33 nicm 47: .flags = CMD_AFTERHOOK,
1.28 nicm 48: .exec = cmd_show_options_exec
1.1 nicm 49: };
50:
1.13 nicm 51: const struct cmd_entry cmd_show_window_options_entry = {
1.28 nicm 52: .name = "show-window-options",
53: .alias = "showw",
54:
55: .args = { "gvt:", 0, 1 },
56: .usage = "[-gv] " CMD_TARGET_WINDOW_USAGE " [option]",
57:
1.41 nicm 58: .target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL },
1.29 nicm 59:
1.33 nicm 60: .flags = CMD_AFTERHOOK,
1.28 nicm 61: .exec = cmd_show_options_exec
1.13 nicm 62: };
63:
1.48 nicm 64: const struct cmd_entry cmd_show_hooks_entry = {
65: .name = "show-hooks",
66: .alias = NULL,
67:
68: .args = { "gt:", 0, 1 },
69: .usage = "[-g] " CMD_TARGET_SESSION_USAGE,
70:
71: .target = { 't', CMD_FIND_SESSION, 0 },
72:
73: .flags = CMD_AFTERHOOK,
74: .exec = cmd_show_options_exec
75: };
76:
1.32 nicm 77: static enum cmd_retval
1.34 nicm 78: cmd_show_options_exec(struct cmd *self, struct cmdq_item *item)
1.1 nicm 79: {
1.31 nicm 80: struct args *args = self->args;
1.41 nicm 81: struct cmd_find_state *fs = &item->target;
1.46 nicm 82: struct client *c = cmd_find_client(item, NULL, 1);
83: struct session *s = item->target.s;
84: struct winlink *wl = item->target.wl;
1.31 nicm 85: struct options *oo;
1.46 nicm 86: char *argument, *name = NULL, *cause;
1.56 ! nicm 87: int window, idx, ambiguous, parent, scope;
1.46 nicm 88: struct options_entry *o;
1.1 nicm 89:
1.35 nicm 90: window = (self->entry == &cmd_show_window_options_entry);
1.55 nicm 91:
1.51 nicm 92: if (args->argc == 0) {
1.52 nicm 93: scope = options_scope_from_flags(args, window, fs, &oo, &cause);
94: if (scope == OPTIONS_TABLE_NONE) {
95: if (args_has(args, 'q'))
96: return (CMD_RETURN_NORMAL);
97: cmdq_error(item, "%s", cause);
98: free(cause);
99: return (CMD_RETURN_ERROR);
100: }
1.54 nicm 101: return (cmd_show_options_all(self, item, scope, oo));
1.51 nicm 102: }
1.46 nicm 103: argument = format_single(item, args->argv[0], c, s, wl, NULL);
104:
105: name = options_match(argument, &idx, &ambiguous);
106: if (name == NULL) {
107: if (args_has(args, 'q'))
108: goto fail;
109: if (ambiguous)
110: cmdq_error(item, "ambiguous option: %s", argument);
111: else
112: cmdq_error(item, "invalid option: %s", argument);
113: goto fail;
114: }
1.55 nicm 115: scope = options_scope_from_name(args, window, name, fs, &oo, &cause);
1.35 nicm 116: if (scope == OPTIONS_TABLE_NONE) {
1.46 nicm 117: if (args_has(args, 'q'))
118: goto fail;
1.35 nicm 119: cmdq_error(item, "%s", cause);
120: free(cause);
1.46 nicm 121: goto fail;
1.1 nicm 122: }
1.46 nicm 123: o = options_get_only(oo, name);
1.54 nicm 124: if (args_has(args, 'A') && o == NULL) {
125: o = options_get(oo, name);
126: parent = 1;
127: } else
128: parent = 0;
1.46 nicm 129: if (o != NULL)
1.54 nicm 130: cmd_show_options_print(self, item, o, idx, parent);
1.1 nicm 131:
1.46 nicm 132: free(name);
133: free(argument);
134: return (CMD_RETURN_NORMAL);
135:
136: fail:
137: free(name);
138: free(argument);
139: return (CMD_RETURN_ERROR);
1.35 nicm 140: }
141:
142: static void
143: cmd_show_options_print(struct cmd *self, struct cmdq_item *item,
1.54 nicm 144: struct options_entry *o, int idx, int parent)
1.35 nicm 145: {
1.43 nicm 146: struct options_array_item *a;
1.48 nicm 147: const char *name = options_name(o);
148: char *value, *tmp = NULL, *escaped;
1.35 nicm 149:
150: if (idx != -1) {
1.48 nicm 151: xasprintf(&tmp, "%s[%d]", name, idx);
1.35 nicm 152: name = tmp;
153: } else {
1.43 nicm 154: if (options_isarray(o)) {
155: a = options_array_first(o);
1.48 nicm 156: if (a == NULL) {
157: if (!args_has(self->args, 'v'))
158: cmdq_print(item, "%s", name);
159: return;
160: }
1.43 nicm 161: while (a != NULL) {
162: idx = options_array_item_index(a);
1.54 nicm 163: cmd_show_options_print(self, item, o, idx,
164: parent);
1.43 nicm 165: a = options_array_next(a);
1.39 nicm 166: }
167: return;
168: }
1.35 nicm 169: }
170:
1.40 nicm 171: value = options_tostring(o, idx, 0);
1.35 nicm 172: if (args_has(self->args, 'v'))
173: cmdq_print(item, "%s", value);
174: else if (options_isstring(o)) {
1.53 nicm 175: escaped = args_escape(value);
1.54 nicm 176: if (parent)
177: cmdq_print(item, "%s* %s", name, escaped);
178: else
179: cmdq_print(item, "%s %s", name, escaped);
1.35 nicm 180: free(escaped);
1.54 nicm 181: } else {
182: if (parent)
183: cmdq_print(item, "%s* %s", name, value);
184: else
185: cmdq_print(item, "%s %s", name, value);
186: }
1.47 nicm 187: free(value);
1.35 nicm 188:
189: free(tmp);
1.18 nicm 190: }
191:
1.32 nicm 192: static enum cmd_retval
1.56 ! nicm 193: cmd_show_options_all(struct cmd *self, struct cmdq_item *item, int scope,
! 194: struct options *oo)
1.18 nicm 195: {
1.54 nicm 196: const struct options_table_entry *oe;
1.49 nicm 197: struct options_entry *o;
198: struct options_array_item *a;
1.56 ! nicm 199: const char *name;
1.49 nicm 200: u_int idx;
1.54 nicm 201: int parent;
202:
203: for (oe = options_table; oe->name != NULL; oe++) {
1.56 ! nicm 204: if (~oe->scope & scope)
1.54 nicm 205: continue;
1.18 nicm 206:
1.48 nicm 207: if ((self->entry != &cmd_show_hooks_entry &&
208: !args_has(self->args, 'H') &&
1.49 nicm 209: oe != NULL &&
210: (oe->flags & OPTIONS_TABLE_IS_HOOK)) ||
1.48 nicm 211: (self->entry == &cmd_show_hooks_entry &&
1.49 nicm 212: (oe == NULL ||
1.54 nicm 213: (~oe->flags & OPTIONS_TABLE_IS_HOOK))))
1.48 nicm 214: continue;
1.54 nicm 215:
216: o = options_get_only(oo, oe->name);
217: if (o == NULL) {
218: if (!args_has(self->args, 'A'))
219: continue;
220: o = options_get(oo, oe->name);
221: if (o == NULL)
222: continue;
223: parent = 1;
224: } else
225: parent = 0;
226:
1.43 nicm 227: if (!options_isarray(o))
1.54 nicm 228: cmd_show_options_print(self, item, o, -1, parent);
1.48 nicm 229: else if ((a = options_array_first(o)) == NULL) {
1.54 nicm 230: if (!args_has(self->args, 'v')) {
1.56 ! nicm 231: name = options_name(o);
1.54 nicm 232: if (parent)
1.56 ! nicm 233: cmdq_print(item, "%s*", name);
1.54 nicm 234: else
1.56 ! nicm 235: cmdq_print(item, "%s", name);
1.54 nicm 236: }
1.48 nicm 237: } else {
1.43 nicm 238: while (a != NULL) {
239: idx = options_array_item_index(a);
1.56 ! nicm 240: cmd_show_options_print(self, item, o, idx,
! 241: parent);
1.43 nicm 242: a = options_array_next(a);
1.35 nicm 243: }
1.15 nicm 244: }
1.18 nicm 245: }
1.16 nicm 246: return (CMD_RETURN_NORMAL);
1.1 nicm 247: }
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