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Annotation of src/usr.bin/tmux/cmd-command-prompt.c, Revision 1.6

1.6     ! nicm        1: /* $OpenBSD: cmd-command-prompt.c,v 1.5 2009/07/20 07:31:10 nicm Exp $ */
1.1       nicm        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 <string.h>
                     23:
                     24: #include "tmux.h"
                     25:
                     26: /*
                     27:  * Prompt for command in client.
                     28:  */
                     29:
                     30: void   cmd_command_prompt_init(struct cmd *, int);
                     31: int    cmd_command_prompt_exec(struct cmd *, struct cmd_ctx *);
                     32:
                     33: int    cmd_command_prompt_callback(void *, const char *);
1.4       nicm       34: void   cmd_command_prompt_free(void *);
1.1       nicm       35:
                     36: const struct cmd_entry cmd_command_prompt_entry = {
                     37:        "command-prompt", NULL,
                     38:        CMD_TARGET_CLIENT_USAGE " [template]",
1.2       nicm       39:        CMD_ARG01, 0,
1.1       nicm       40:        cmd_command_prompt_init,
                     41:        cmd_target_parse,
                     42:        cmd_command_prompt_exec,
                     43:        cmd_target_free,
                     44:        cmd_target_print
                     45: };
                     46:
                     47: struct cmd_command_prompt_data {
                     48:        struct client   *c;
                     49:        char            *template;
                     50: };
                     51:
                     52: void
                     53: cmd_command_prompt_init(struct cmd *self, int key)
                     54: {
                     55:        struct cmd_target_data  *data;
                     56:
                     57:        cmd_target_init(self, key);
                     58:        data = self->data;
                     59:
                     60:        switch (key) {
                     61:        case ',':
                     62:                data->arg = xstrdup("rename-window '%%'");
                     63:                break;
                     64:        case '.':
                     65:                data->arg = xstrdup("move-window -t '%%'");
                     66:                break;
                     67:        case 'f':
                     68:                data->arg = xstrdup("find-window '%%'");
                     69:                break;
                     70:        }
                     71: }
                     72:
                     73: int
                     74: cmd_command_prompt_exec(struct cmd *self, struct cmd_ctx *ctx)
                     75: {
                     76:        struct cmd_target_data          *data = self->data;
                     77:        struct cmd_command_prompt_data  *cdata;
                     78:        struct client                   *c;
                     79:        char                            *hdr, *ptr;
                     80:
                     81:        if ((c = cmd_find_client(ctx, data->target)) == NULL)
                     82:                return (-1);
                     83:
                     84:        if (c->prompt_string != NULL)
                     85:                return (0);
                     86:
                     87:        cdata = xmalloc(sizeof *cdata);
                     88:        cdata->c = c;
                     89:        if (data->arg != NULL) {
                     90:                cdata->template = xstrdup(data->arg);
                     91:                if ((ptr = strchr(data->arg, ' ')) == NULL)
                     92:                        ptr = strchr(data->arg, '\0');
                     93:                xasprintf(&hdr, "(%.*s) ", (int) (ptr - data->arg), data->arg);
                     94:        } else {
                     95:                cdata->template = NULL;
                     96:                hdr = xstrdup(":");
                     97:        }
1.4       nicm       98:        status_prompt_set(c, hdr,
                     99:            cmd_command_prompt_callback, cmd_command_prompt_free, cdata, 0);
1.1       nicm      100:        xfree(hdr);
                    101:
                    102:        return (0);
                    103: }
                    104:
                    105: int
                    106: cmd_command_prompt_callback(void *data, const char *s)
                    107: {
                    108:        struct cmd_command_prompt_data  *cdata = data;
                    109:        struct client                   *c = cdata->c;
                    110:        struct cmd_list                 *cmdlist;
                    111:        struct cmd_ctx                   ctx;
                    112:        char                            *cause, *ptr, *buf, ch;
                    113:        size_t                           len, slen;
                    114:
1.4       nicm      115:        if (s == NULL)
1.1       nicm      116:                return (0);
                    117:        slen = strlen(s);
                    118:
                    119:        len = 0;
                    120:        buf = NULL;
                    121:        if (cdata->template != NULL) {
                    122:                ptr = cdata->template;
                    123:                while (*ptr != '\0') {
                    124:                        switch (ch = *ptr++) {
                    125:                        case '%':
                    126:                                if (*ptr != '%')
                    127:                                        break;
                    128:                                ptr++;
                    129:
                    130:                                buf = xrealloc(buf, 1, len + slen + 1);
                    131:                                memcpy(buf + len, s, slen);
                    132:                                len += slen;
                    133:                                break;
                    134:                        default:
                    135:                                buf = xrealloc(buf, 1, len + 2);
                    136:                                buf[len++] = ch;
                    137:                                break;
                    138:                        }
                    139:                }
                    140:
1.5       nicm      141:                if (buf == NULL)
                    142:                        return (0);
1.1       nicm      143:                buf[len] = '\0';
                    144:                s = buf;
                    145:        }
                    146:
                    147:        if (cmd_string_parse(s, &cmdlist, &cause) != 0) {
                    148:                if (cause == NULL)
                    149:                        return (0);
                    150:                *cause = toupper((u_char) *cause);
1.3       nicm      151:                status_message_set(c, "%s", cause);
1.1       nicm      152:                xfree(cause);
                    153:                cmdlist = NULL;
                    154:        }
                    155:        if (buf != NULL)
                    156:                xfree(buf);
                    157:        if (cmdlist == NULL)
                    158:                return (0);
                    159:
                    160:        ctx.msgdata = NULL;
                    161:        ctx.cursession = c->session;
                    162:        ctx.curclient = c;
                    163:
                    164:        ctx.error = key_bindings_error;
                    165:        ctx.print = key_bindings_print;
                    166:        ctx.info = key_bindings_info;
                    167:
                    168:        ctx.cmdclient = NULL;
                    169:
                    170:        cmd_list_exec(cmdlist, &ctx);
                    171:        cmd_list_free(cmdlist);
                    172:
1.4       nicm      173:        if (c->prompt_callbackfn != (void *) &cmd_command_prompt_callback)
1.1       nicm      174:                return (1);
                    175:        return (0);
1.4       nicm      176: }
                    177:
                    178: void
                    179: cmd_command_prompt_free(void *data)
                    180: {
                    181:        struct cmd_command_prompt_data  *cdata = data;
                    182:
                    183:        if (cdata->template != NULL)
                    184:                xfree(cdata->template);
                    185:        xfree(cdata);
1.1       nicm      186: }