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 void cmd_show_options_print(struct cmd *, struct cmdq_item *, 33 struct options_entry *, int, int); 34 static enum cmd_retval cmd_show_options_all(struct cmd *, struct cmdq_item *, 35 int, struct options *); 36 37 const struct cmd_entry cmd_show_options_entry = { 38 .name = "show-options", 39 .alias = "show", 40 41 .args = { "AgHpqst:vw", 0, 1 }, 42 .usage = "[-AgHpqsvw] " CMD_TARGET_PANE_USAGE " [option]", 43 44 .target = { 't', CMD_FIND_PANE, CMD_FIND_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 .target = { 't', CMD_FIND_WINDOW, CMD_FIND_CANFAIL }, 58 59 .flags = CMD_AFTERHOOK, 60 .exec = cmd_show_options_exec 61 }; 62 63 const struct cmd_entry cmd_show_hooks_entry = { 64 .name = "show-hooks", 65 .alias = NULL, 66 67 .args = { "gt:", 0, 1 }, 68 .usage = "[-g] " CMD_TARGET_SESSION_USAGE, 69 70 .target = { 't', CMD_FIND_SESSION, 0 }, 71 72 .flags = CMD_AFTERHOOK, 73 .exec = cmd_show_options_exec 74 }; 75 76 static enum cmd_retval 77 cmd_show_options_exec(struct cmd *self, struct cmdq_item *item) 78 { 79 struct args *args = self->args; 80 struct cmd_find_state *fs = &item->target; 81 struct client *c = cmd_find_client(item, NULL, 1); 82 struct session *s = item->target.s; 83 struct winlink *wl = item->target.wl; 84 struct options *oo; 85 char *argument, *name = NULL, *cause; 86 int window, idx, ambiguous, parent, scope; 87 struct options_entry *o; 88 89 window = (self->entry == &cmd_show_window_options_entry); 90 91 if (args->argc == 0) { 92 scope = options_scope_from_flags(args, window, fs, &oo, &cause); 93 if (scope == OPTIONS_TABLE_NONE) { 94 if (args_has(args, 'q')) 95 return (CMD_RETURN_NORMAL); 96 cmdq_error(item, "%s", cause); 97 free(cause); 98 return (CMD_RETURN_ERROR); 99 } 100 return (cmd_show_options_all(self, item, scope, oo)); 101 } 102 argument = format_single(item, args->argv[0], c, s, wl, NULL); 103 104 name = options_match(argument, &idx, &ambiguous); 105 if (name == NULL) { 106 if (args_has(args, 'q')) 107 goto fail; 108 if (ambiguous) 109 cmdq_error(item, "ambiguous option: %s", argument); 110 else 111 cmdq_error(item, "invalid option: %s", argument); 112 goto fail; 113 } 114 scope = options_scope_from_name(args, window, name, fs, &oo, &cause); 115 if (scope == OPTIONS_TABLE_NONE) { 116 if (args_has(args, 'q')) 117 goto fail; 118 cmdq_error(item, "%s", cause); 119 free(cause); 120 goto fail; 121 } 122 o = options_get_only(oo, name); 123 if (args_has(args, 'A') && o == NULL) { 124 o = options_get(oo, name); 125 parent = 1; 126 } else 127 parent = 0; 128 if (o != NULL) 129 cmd_show_options_print(self, item, o, idx, parent); 130 131 free(name); 132 free(argument); 133 return (CMD_RETURN_NORMAL); 134 135 fail: 136 free(name); 137 free(argument); 138 return (CMD_RETURN_ERROR); 139 } 140 141 static void 142 cmd_show_options_print(struct cmd *self, struct cmdq_item *item, 143 struct options_entry *o, int idx, int parent) 144 { 145 struct options_array_item *a; 146 const char *name = options_name(o); 147 char *value, *tmp = NULL, *escaped; 148 149 if (idx != -1) { 150 xasprintf(&tmp, "%s[%d]", name, idx); 151 name = tmp; 152 } else { 153 if (options_isarray(o)) { 154 a = options_array_first(o); 155 if (a == NULL) { 156 if (!args_has(self->args, 'v')) 157 cmdq_print(item, "%s", name); 158 return; 159 } 160 while (a != NULL) { 161 idx = options_array_item_index(a); 162 cmd_show_options_print(self, item, o, idx, 163 parent); 164 a = options_array_next(a); 165 } 166 return; 167 } 168 } 169 170 value = options_tostring(o, idx, 0); 171 if (args_has(self->args, 'v')) 172 cmdq_print(item, "%s", value); 173 else if (options_isstring(o)) { 174 escaped = args_escape(value); 175 if (parent) 176 cmdq_print(item, "%s* %s", name, escaped); 177 else 178 cmdq_print(item, "%s %s", name, escaped); 179 free(escaped); 180 } else { 181 if (parent) 182 cmdq_print(item, "%s* %s", name, value); 183 else 184 cmdq_print(item, "%s %s", name, value); 185 } 186 free(value); 187 188 free(tmp); 189 } 190 191 static enum cmd_retval 192 cmd_show_options_all(struct cmd *self, struct cmdq_item *item, int scope, 193 struct options *oo) 194 { 195 const struct options_table_entry *oe; 196 struct options_entry *o; 197 struct options_array_item *a; 198 const char *name; 199 u_int idx; 200 int parent; 201 202 o = options_first(oo); 203 while (o != NULL) { 204 if (options_table_entry(o) == NULL) 205 cmd_show_options_print(self, item, o, -1, 0); 206 o = options_next(o); 207 } 208 for (oe = options_table; oe->name != NULL; oe++) { 209 if (~oe->scope & scope) 210 continue; 211 212 if ((self->entry != &cmd_show_hooks_entry && 213 !args_has(self->args, 'H') && 214 oe != NULL && 215 (oe->flags & OPTIONS_TABLE_IS_HOOK)) || 216 (self->entry == &cmd_show_hooks_entry && 217 (oe == NULL || 218 (~oe->flags & OPTIONS_TABLE_IS_HOOK)))) 219 continue; 220 221 o = options_get_only(oo, oe->name); 222 if (o == NULL) { 223 if (!args_has(self->args, 'A')) 224 continue; 225 o = options_get(oo, oe->name); 226 if (o == NULL) 227 continue; 228 parent = 1; 229 } else 230 parent = 0; 231 232 if (!options_isarray(o)) 233 cmd_show_options_print(self, item, o, -1, parent); 234 else if ((a = options_array_first(o)) == NULL) { 235 if (!args_has(self->args, 'v')) { 236 name = options_name(o); 237 if (parent) 238 cmdq_print(item, "%s*", name); 239 else 240 cmdq_print(item, "%s", name); 241 } 242 } else { 243 while (a != NULL) { 244 idx = options_array_item_index(a); 245 cmd_show_options_print(self, item, o, idx, 246 parent); 247 a = options_array_next(a); 248 } 249 } 250 } 251 return (CMD_RETURN_NORMAL); 252 } 253