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