diff options
Diffstat (limited to 'cmd-copy-buffer.c')
| -rw-r--r-- | cmd-copy-buffer.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/cmd-copy-buffer.c b/cmd-copy-buffer.c new file mode 100644 index 00000000..ab6fe14b --- /dev/null +++ b/cmd-copy-buffer.c @@ -0,0 +1,222 @@ +/* $OpenBSD$ */ + +/* + * Copyright (c) 2009 Tiago Cunha <me@tiagocunha.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <stdlib.h> + +#include "tmux.h" + +/* + * Copies a session paste buffer to another session. + */ + +int cmd_copy_buffer_parse(struct cmd *, int, char **, char **); +int cmd_copy_buffer_exec(struct cmd *, struct cmd_ctx *); +void cmd_copy_buffer_send(struct cmd *, struct buffer *); +void cmd_copy_buffer_recv(struct cmd *, struct buffer *); +void cmd_copy_buffer_free(struct cmd *); +void cmd_copy_buffer_init(struct cmd *, int); +size_t cmd_copy_buffer_print(struct cmd *, char *, size_t); + +struct cmd_copy_buffer_data { + char *dst_session; + char *src_session; + int dst_idx; + int src_idx; +}; + +const struct cmd_entry cmd_copy_buffer_entry = { + "copy-buffer", "copyb", + "[-a src-index] [-b dst-index] [-s src-session] [-t dst-session]", + 0, + cmd_copy_buffer_init, + cmd_copy_buffer_parse, + cmd_copy_buffer_exec, + cmd_copy_buffer_send, + cmd_copy_buffer_recv, + cmd_copy_buffer_free, + cmd_copy_buffer_print +}; + +void +cmd_copy_buffer_init(struct cmd *self, unused int arg) +{ + struct cmd_copy_buffer_data *data; + + self->data = data = xmalloc(sizeof *data); + data->dst_session = NULL; + data->src_session = NULL; + data->dst_idx = -1; + data->src_idx = -1; +} + +int +cmd_copy_buffer_parse(struct cmd *self, int argc, char **argv, char **cause) +{ + struct cmd_copy_buffer_data *data; + const char *errstr; + int n, opt; + + self->entry->init(self, 0); + data = self->data; + + while ((opt = getopt(argc, argv, "a:b:s:t:")) != -1) { + switch (opt) { + case 'a': + if (data->src_idx == -1) { + n = strtonum(optarg, 0, INT_MAX, &errstr); + if (errstr != NULL) { + xasprintf(cause, "buffer %s", errstr); + goto error; + } + data->src_idx = n; + } + break; + case 'b': + if (data->dst_idx == -1) { + n = strtonum(optarg, 0, INT_MAX, &errstr); + if (errstr != NULL) { + xasprintf(cause, "buffer %s", errstr); + goto error; + } + data->dst_idx = n; + } + break; + case 's': + if (data->src_session == NULL) + data->src_session = xstrdup(optarg); + break; + case 't': + if (data->dst_session == NULL) + data->dst_session = xstrdup(optarg); + break; + default: + goto usage; + } + } + argc -= optind; + argv += optind; + + return (0); + +usage: + xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage); + +error: + self->entry->free(self); + return (-1); +} + +int +cmd_copy_buffer_exec(struct cmd *self, struct cmd_ctx *ctx) +{ + struct cmd_copy_buffer_data *data = self->data; + struct paste_buffer *pb; + struct session *dst_session, *src_session; + u_int limit; + + if ((dst_session = cmd_find_session(ctx, data->dst_session)) == NULL || + (src_session = cmd_find_session(ctx, data->src_session)) == NULL) + return (-1); + + if (data->src_idx == -1) { + if ((pb = paste_get_top(&src_session->buffers)) == NULL) { + ctx->error(ctx, "no buffers"); + return (-1); + } + } else { + if ((pb = paste_get_index(&src_session->buffers, + data->src_idx)) == NULL) { + ctx->error(ctx, "no buffer %d", data->src_idx); + return (-1); + } + } + + limit = options_get_number(&dst_session->options, "buffer-limit"); + if (data->dst_idx == -1) { + paste_add(&dst_session->buffers, xstrdup(pb->data), limit); + return (0); + } + if (paste_replace(&dst_session->buffers, data->dst_idx, + xstrdup(pb->data)) != 0) { + ctx->error(ctx, "no buffer %d", data->dst_idx); + return (-1); + } + + return (0); +} + +void +cmd_copy_buffer_send(struct cmd *self, struct buffer *b) +{ + struct cmd_copy_buffer_data *data = self->data; + + buffer_write(b, data, sizeof *data); + cmd_send_string(b, data->dst_session); + cmd_send_string(b, data->src_session); +} + +void +cmd_copy_buffer_recv(struct cmd *self, struct buffer *b) +{ + struct cmd_copy_buffer_data *data; + + self->data = data = xmalloc(sizeof *data); + buffer_read(b, data, sizeof *data); + data->dst_session = cmd_recv_string(b); + data->src_session = cmd_recv_string(b); +} + +void +cmd_copy_buffer_free(struct cmd *self) +{ + struct cmd_copy_buffer_data *data = self->data; + + if (data->dst_session != NULL) + xfree(data->dst_session); + if (data->src_session != NULL) + xfree(data->src_session); + xfree(data); +} + +size_t +cmd_copy_buffer_print(struct cmd *self, char *buf, size_t len) +{ + struct cmd_copy_buffer_data *data = self->data; + size_t off = 0; + + off += xsnprintf(buf, len, "%s", self->entry->name); + if (data == NULL) + return (off); + if (off < len && data->src_idx != -1) { + off += xsnprintf(buf + off, len - off, " -a %d", + data->src_idx); + } + if (off < len && data->dst_idx != -1) { + off += xsnprintf(buf + off, len - off, " -b %d", + data->dst_idx); + } + if (off < len && data->src_session != NULL) { + off += cmd_prarg(buf + off, len - off, " -s ", + data->src_session); + } + if (off < len && data->dst_session != NULL) { + off += cmd_prarg(buf + off, len - off, " -t ", + data->dst_session); + } + return (off); +} |