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Annotation of embedaddon/tmux/cmd-paste-buffer.c, revision 1.1.1.1

1.1       misho       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:  * Paste paste buffer if present.
                     28:  */
                     29: 
                     30: static enum cmd_retval cmd_paste_buffer_exec(struct cmd *, struct cmdq_item *);
                     31: 
                     32: const struct cmd_entry cmd_paste_buffer_entry = {
                     33:        .name = "paste-buffer",
                     34:        .alias = "pasteb",
                     35: 
                     36:        .args = { "db:prs:t:", 0, 0 },
                     37:        .usage = "[-dpr] [-s separator] " CMD_BUFFER_USAGE " "
                     38:                 CMD_TARGET_PANE_USAGE,
                     39: 
                     40:        .tflag = CMD_PANE,
                     41: 
                     42:        .flags = CMD_AFTERHOOK,
                     43:        .exec = cmd_paste_buffer_exec
                     44: };
                     45: 
                     46: static enum cmd_retval
                     47: cmd_paste_buffer_exec(struct cmd *self, struct cmdq_item *item)
                     48: {
                     49:        struct args             *args = self->args;
                     50:        struct window_pane      *wp = item->state.tflag.wp;
                     51:        struct paste_buffer     *pb;
                     52:        const char              *sepstr, *bufname, *bufdata, *bufend, *line;
                     53:        size_t                   seplen, bufsize;
                     54:        int                      bracket = args_has(args, 'p');
                     55: 
                     56:        bufname = NULL;
                     57:        if (args_has(args, 'b'))
                     58:                bufname = args_get(args, 'b');
                     59: 
                     60:        if (bufname == NULL)
                     61:                pb = paste_get_top(NULL);
                     62:        else {
                     63:                pb = paste_get_name(bufname);
                     64:                if (pb == NULL) {
                     65:                        cmdq_error(item, "no buffer %s", bufname);
                     66:                        return (CMD_RETURN_ERROR);
                     67:                }
                     68:        }
                     69: 
                     70:        if (pb != NULL && ~wp->flags & PANE_INPUTOFF) {
                     71:                sepstr = args_get(args, 's');
                     72:                if (sepstr == NULL) {
                     73:                        if (args_has(args, 'r'))
                     74:                                sepstr = "\n";
                     75:                        else
                     76:                                sepstr = "\r";
                     77:                }
                     78:                seplen = strlen(sepstr);
                     79: 
                     80:                if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
                     81:                        bufferevent_write(wp->event, "\033[200~", 6);
                     82: 
                     83:                bufdata = paste_buffer_data(pb, &bufsize);
                     84:                bufend = bufdata + bufsize;
                     85: 
                     86:                for (;;) {
                     87:                        line = memchr(bufdata, '\n', bufend - bufdata);
                     88:                        if (line == NULL)
                     89:                                break;
                     90: 
                     91:                        bufferevent_write(wp->event, bufdata, line - bufdata);
                     92:                        bufferevent_write(wp->event, sepstr, seplen);
                     93: 
                     94:                        bufdata = line + 1;
                     95:                }
                     96:                if (bufdata != bufend)
                     97:                        bufferevent_write(wp->event, bufdata, bufend - bufdata);
                     98: 
                     99:                if (bracket && (wp->screen->mode & MODE_BRACKETPASTE))
                    100:                        bufferevent_write(wp->event, "\033[201~", 6);
                    101:        }
                    102: 
                    103:        if (pb != NULL && args_has(args, 'd'))
                    104:                paste_free(pb);
                    105: 
                    106:        return (CMD_RETURN_NORMAL);
                    107: }