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Annotation of src/usr.bin/tmux/cmd-paste-buffer.c, Revision 1.35

1.35    ! nicm        1: /* $OpenBSD: cmd-paste-buffer.c,v 1.34 2016/01/19 15:59:12 nicm Exp $ */
1.1       nicm        2:
                      3: /*
1.34      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:
1.13      nicm       21: #include <stdlib.h>
1.1       nicm       22: #include <string.h>
1.13      nicm       23: #include <vis.h>
1.1       nicm       24:
                     25: #include "tmux.h"
                     26:
                     27: /*
                     28:  * Paste paste buffer if present.
                     29:  */
                     30:
1.35    ! nicm       31: static enum cmd_retval  cmd_paste_buffer_exec(struct cmd *, struct cmd_q *);
1.1       nicm       32:
                     33: const struct cmd_entry cmd_paste_buffer_entry = {
1.32      nicm       34:        .name = "paste-buffer",
                     35:        .alias = "pasteb",
                     36:
                     37:        .args = { "db:prs:t:", 0, 0 },
                     38:        .usage = "[-dpr] [-s separator] " CMD_BUFFER_USAGE " "
                     39:                 CMD_TARGET_PANE_USAGE,
                     40:
1.33      nicm       41:        .tflag = CMD_PANE,
                     42:
                     43:        .flags = 0,
1.32      nicm       44:        .exec = cmd_paste_buffer_exec
1.1       nicm       45: };
                     46:
1.35    ! nicm       47: static enum cmd_retval
1.22      nicm       48: cmd_paste_buffer_exec(struct cmd *self, struct cmd_q *cmdq)
1.13      nicm       49: {
1.16      nicm       50:        struct args             *args = self->args;
1.31      nicm       51:        struct window_pane      *wp = cmdq->state.tflag.wp;
1.16      nicm       52:        struct paste_buffer     *pb;
1.29      nicm       53:        const char              *sepstr, *bufname, *bufdata, *bufend, *line;
                     54:        size_t                   seplen, bufsize;
                     55:        int                      bracket = args_has(args, 'p');
1.13      nicm       56:
1.25      nicm       57:        bufname = NULL;
                     58:        if (args_has(args, 'b'))
                     59:                bufname = args_get(args, 'b');
1.13      nicm       60:
1.25      nicm       61:        if (bufname == NULL)
1.28      nicm       62:                pb = paste_get_top(NULL);
1.1       nicm       63:        else {
1.25      nicm       64:                pb = paste_get_name(bufname);
1.15      nicm       65:                if (pb == NULL) {
1.25      nicm       66:                        cmdq_error(cmdq, "no buffer %s", bufname);
1.19      nicm       67:                        return (CMD_RETURN_ERROR);
1.1       nicm       68:                }
                     69:        }
                     70:
1.29      nicm       71:        if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
1.16      nicm       72:                sepstr = args_get(args, 's');
                     73:                if (sepstr == NULL) {
                     74:                        if (args_has(args, 'r'))
                     75:                                sepstr = "\n";
                     76:                        else
                     77:                                sepstr = "\r";
                     78:                }
1.29      nicm       79:                seplen = strlen(sepstr);
                     80:
                     81:                if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
                     82:                        bufferevent_write(wp->event, "\033[200~", 6);
                     83:
                     84:                bufdata = paste_buffer_data(pb, &bufsize);
                     85:                bufend = bufdata + bufsize;
                     86:
                     87:                for (;;) {
                     88:                        line = memchr(bufdata, '\n', bufend - bufdata);
                     89:                        if (line == NULL)
                     90:                                break;
                     91:
                     92:                        bufferevent_write(wp->event, bufdata, line - bufdata);
                     93:                        bufferevent_write(wp->event, sepstr, seplen);
                     94:
                     95:                        bufdata = line + 1;
                     96:                }
                     97:                if (bufdata != bufend)
                     98:                        bufferevent_write(wp->event, bufdata, bufend - bufdata);
                     99:
                    100:                if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
                    101:                        bufferevent_write(wp->event, "\033[201~", 6);
1.16      nicm      102:        }
1.1       nicm      103:
1.30      nicm      104:        if (pb != NULL && args_has(args, 'd'))
                    105:                paste_free(pb);
1.1       nicm      106:
1.19      nicm      107:        return (CMD_RETURN_NORMAL);
1.1       nicm      108: }