1 /* $OpenBSD: cmd-command-prompt.c,v 1.21 2012/07/11 07:10:15 nicm Exp $ */ 2 3 /* 4 * Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net> 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 <ctype.h> 22 #include <stdlib.h> 23 #include <string.h> 24 #include <time.h> 25 26 #include "tmux.h" 27 28 /* 29 * Prompt for command in client. 30 */ 31 32 void cmd_command_prompt_key_binding(struct cmd *, int); 33 int cmd_command_prompt_check(struct args *); 34 enum cmd_retval cmd_command_prompt_exec(struct cmd *, struct cmd_ctx *); 35 36 int cmd_command_prompt_callback(void *, const char *); 37 void cmd_command_prompt_free(void *); 38 39 const struct cmd_entry cmd_command_prompt_entry = { 40 "command-prompt", NULL, 41 "I:p:t:", 0, 1, 42 "[-I inputs] [-p prompts] " CMD_TARGET_CLIENT_USAGE " [template]", 43 0, 44 cmd_command_prompt_key_binding, 45 NULL, 46 cmd_command_prompt_exec 47 }; 48 49 struct cmd_command_prompt_cdata { 50 struct client *c; 51 char *inputs; 52 char *next_input; 53 char *next_prompt; 54 char *prompts; 55 char *template; 56 int idx; 57 }; 58 59 void 60 cmd_command_prompt_key_binding(struct cmd *self, int key) 61 { 62 switch (key) { 63 case '$': 64 self->args = args_create(1, "rename-session '%%'"); 65 args_set(self->args, 'I', "#S"); 66 break; 67 case ',': 68 self->args = args_create(1, "rename-window '%%'"); 69 args_set(self->args, 'I', "#W"); 70 break; 71 case '.': 72 self->args = args_create(1, "move-window -t '%%'"); 73 break; 74 case 'f': 75 self->args = args_create(1, "find-window '%%'"); 76 break; 77 case '\'': 78 self->args = args_create(1, "select-window -t ':%%'"); 79 args_set(self->args, 'p', "index"); 80 break; 81 default: 82 self->args = args_create(0); 83 break; 84 } 85 } 86 87 enum cmd_retval 88 cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx) 89 { 90 struct args *args = self->args; 91 const char *inputs, *prompts; 92 struct cmd_command_prompt_cdata *cdata; 93 struct client *c; 94 char *prompt, *ptr, *input = NULL; 95 size_t n; 96 97 if ((c = cmd_find_client(ctx, args_get(args, 't'))) == NULL) 98 return (CMD_RETURN_ERROR); 99 100 if (c->prompt_string != NULL) 101 return (CMD_RETURN_NORMAL); 102 103 cdata = xmalloc(sizeof *cdata); 104 cdata->c = c; 105 cdata->idx = 1; 106 cdata->inputs = NULL; 107 cdata->next_input = NULL; 108 cdata->next_prompt = NULL; 109 cdata->prompts = NULL; 110 cdata->template = NULL; 111 112 if (args->argc != 0) 113 cdata->template = xstrdup(args->argv[0]); 114 else 115 cdata->template = xstrdup("%1"); 116 117 if ((prompts = args_get(args, 'p')) != NULL) 118 cdata->prompts = xstrdup(prompts); 119 else if (args->argc != 0) { 120 n = strcspn(cdata->template, " ,"); 121 xasprintf(&cdata->prompts, "(%.*s) ", (int) n, cdata->template); 122 } else 123 cdata->prompts = xstrdup(":"); 124 125 /* Get first prompt. */ 126 cdata->next_prompt = cdata->prompts; 127 ptr = strsep(&cdata->next_prompt, ","); 128 if (prompts == NULL) 129 prompt = xstrdup(ptr); 130 else 131 xasprintf(&prompt, "%s ", ptr); 132 133 /* Get initial prompt input. */ 134 if ((inputs = args_get(args, 'I')) != NULL) { 135 cdata->inputs = xstrdup(inputs); 136 cdata->next_input = cdata->inputs; 137 input = strsep(&cdata->next_input, ","); 138 } 139 140 status_prompt_set(c, prompt, input, cmd_command_prompt_callback, 141 cmd_command_prompt_free, cdata, 0); 142 free(prompt); 143 144 return (CMD_RETURN_NORMAL); 145 } 146 147 int 148 cmd_command_prompt_callback(void *data, const char *s) 149 { 150 struct cmd_command_prompt_cdata *cdata = data; 151 struct client *c = cdata->c; 152 struct cmd_list *cmdlist; 153 struct cmd_ctx ctx; 154 char *cause, *new_template, *prompt, *ptr; 155 char *input = NULL; 156 157 if (s == NULL) 158 return (0); 159 160 new_template = cmd_template_replace(cdata->template, s, cdata->idx); 161 free(cdata->template); 162 cdata->template = new_template; 163 164 /* 165 * Check if there are more prompts; if so, get its respective input 166 * and update the prompt data. 167 */ 168 if ((ptr = strsep(&cdata->next_prompt, ",")) != NULL) { 169 xasprintf(&prompt, "%s ", ptr); 170 input = strsep(&cdata->next_input, ","); 171 status_prompt_update(c, prompt, input); 172 173 free(prompt); 174 cdata->idx++; 175 return (1); 176 } 177 178 if (cmd_string_parse(new_template, &cmdlist, &cause) != 0) { 179 if (cause != NULL) { 180 *cause = toupper((u_char) *cause); 181 status_message_set(c, "%s", cause); 182 free(cause); 183 } 184 return (0); 185 } 186 187 ctx.msgdata = NULL; 188 ctx.curclient = c; 189 190 ctx.error = key_bindings_error; 191 ctx.print = key_bindings_print; 192 ctx.info = key_bindings_info; 193 194 ctx.cmdclient = NULL; 195 196 cmd_list_exec(cmdlist, &ctx); 197 cmd_list_free(cmdlist); 198 199 if (c->prompt_callbackfn != (void *) &cmd_command_prompt_callback) 200 return (1); 201 return (0); 202 } 203 204 void 205 cmd_command_prompt_free(void *data) 206 { 207 struct cmd_command_prompt_cdata *cdata = data; 208 209 free(cdata->inputs); 210 free(cdata->prompts); 211 free(cdata->template); 212 free(cdata); 213 } 214