Adding upstream version 3.3a.upstream/3.3a

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 245 insertions, 0 deletions

diff --git a/cmd-capture-pane.c b/cmd-capture-pane.c
new file mode 100644
index 0000000..964f831
--- /dev/null
+++ b/cmd-capture-pane.c
@@ -0,0 +1,245 @@
+/* $OpenBSD$ */
+
+/*
+ * Copyright (c) 2009 Jonathan Alvarado <radobobo@users.sourceforge.net>
+ *
+ * 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 <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+/*
+ * Write the entire contents of a pane to a buffer or stdout.
+ */
+
+static enum cmd_retval	cmd_capture_pane_exec(struct cmd *, struct cmdq_item *);
+
+static char	*cmd_capture_pane_append(char *, size_t *, char *, size_t);
+static char	*cmd_capture_pane_pending(struct args *, struct window_pane *,
+		     size_t *);
+static char	*cmd_capture_pane_history(struct args *, struct cmdq_item *,
+		     struct window_pane *, size_t *);
+
+const struct cmd_entry cmd_capture_pane_entry = {
+	.name = "capture-pane",
+	.alias = "capturep",
+
+	.args = { "ab:CeE:JNpPqS:t:", 0, 0, NULL },
+	.usage = "[-aCeJNpPq] " CMD_BUFFER_USAGE " [-E end-line] "
+		 "[-S start-line] " CMD_TARGET_PANE_USAGE,
+
+	.target = { 't', CMD_FIND_PANE, 0 },
+
+	.flags = CMD_AFTERHOOK,
+	.exec = cmd_capture_pane_exec
+};
+
+const struct cmd_entry cmd_clear_history_entry = {
+	.name = "clear-history",
+	.alias = "clearhist",
+
+	.args = { "t:", 0, 0, NULL },
+	.usage = CMD_TARGET_PANE_USAGE,
+
+	.target = { 't', CMD_FIND_PANE, 0 },
+
+	.flags = CMD_AFTERHOOK,
+	.exec = cmd_capture_pane_exec
+};
+
+static char *
+cmd_capture_pane_append(char *buf, size_t *len, char *line, size_t linelen)
+{
+	buf = xrealloc(buf, *len + linelen + 1);
+	memcpy(buf + *len, line, linelen);
+	*len += linelen;
+	return (buf);
+}
+
+static char *
+cmd_capture_pane_pending(struct args *args, struct window_pane *wp,
+    size_t *len)
+{
+	struct evbuffer	*pending;
+	char		*buf, *line, tmp[5];
+	size_t		 linelen;
+	u_int		 i;
+
+	pending = input_pending(wp->ictx);
+	if (pending == NULL)
+		return (xstrdup(""));
+
+	line = EVBUFFER_DATA(pending);
+	linelen = EVBUFFER_LENGTH(pending);
+
+	buf = xstrdup("");
+	if (args_has(args, 'C')) {
+		for (i = 0; i < linelen; i++) {
+			if (line[i] >= ' ' && line[i] != '\\') {
+				tmp[0] = line[i];
+				tmp[1] = '\0';
+			} else
+				xsnprintf(tmp, sizeof tmp, "\\%03hho", line[i]);
+			buf = cmd_capture_pane_append(buf, len, tmp,
+			    strlen(tmp));
+		}
+	} else
+		buf = cmd_capture_pane_append(buf, len, line, linelen);
+	return (buf);
+}
+
+static char *
+cmd_capture_pane_history(struct args *args, struct cmdq_item *item,
+    struct window_pane *wp, size_t *len)
+{
+	struct grid		*gd;
+	const struct grid_line	*gl;
+	struct grid_cell	*gc = NULL;
+	int			 n, with_codes, escape_c0, join_lines, no_trim;
+	u_int			 i, sx, top, bottom, tmp;
+	char			*cause, *buf, *line;
+	const char		*Sflag, *Eflag;
+	size_t			 linelen;
+
+	sx = screen_size_x(&wp->base);
+	if (args_has(args, 'a')) {
+		gd = wp->base.saved_grid;
+		if (gd == NULL) {
+			if (!args_has(args, 'q')) {
+				cmdq_error(item, "no alternate screen");
+				return (NULL);
+			}
+			return (xstrdup(""));
+		}
+	} else
+		gd = wp->base.grid;
+
+	Sflag = args_get(args, 'S');
+	if (Sflag != NULL && strcmp(Sflag, "-") == 0)
+		top = 0;
+	else {
+		n = args_strtonum(args, 'S', INT_MIN, SHRT_MAX, &cause);
+		if (cause != NULL) {
+			top = gd->hsize;
+			free(cause);
+		} else if (n < 0 && (u_int) -n > gd->hsize)
+			top = 0;
+		else
+			top = gd->hsize + n;
+		if (top > gd->hsize + gd->sy - 1)
+			top = gd->hsize + gd->sy - 1;
+	}
+
+	Eflag = args_get(args, 'E');
+	if (Eflag != NULL && strcmp(Eflag, "-") == 0)
+		bottom = gd->hsize + gd->sy - 1;
+	else {
+		n = args_strtonum(args, 'E', INT_MIN, SHRT_MAX, &cause);
+		if (cause != NULL) {
+			bottom = gd->hsize + gd->sy - 1;
+			free(cause);
+		} else if (n < 0 && (u_int) -n > gd->hsize)
+			bottom = 0;
+		else
+			bottom = gd->hsize + n;
+		if (bottom > gd->hsize + gd->sy - 1)
+			bottom = gd->hsize + gd->sy - 1;
+	}
+
+	if (bottom < top) {
+		tmp = bottom;
+		bottom = top;
+		top = tmp;
+	}
+
+	with_codes = args_has(args, 'e');
+	escape_c0 = args_has(args, 'C');
+	join_lines = args_has(args, 'J');
+	no_trim = args_has(args, 'N');
+
+	buf = NULL;
+	for (i = top; i <= bottom; i++) {
+		line = grid_string_cells(gd, 0, i, sx, &gc, with_codes,
+		    escape_c0, !join_lines && !no_trim);
+		linelen = strlen(line);
+
+		buf = cmd_capture_pane_append(buf, len, line, linelen);
+
+		gl = grid_peek_line(gd, i);
+		if (!join_lines || !(gl->flags & GRID_LINE_WRAPPED))
+			buf[(*len)++] = '\n';
+
+		free(line);
+	}
+	return (buf);
+}
+
+static enum cmd_retval
+cmd_capture_pane_exec(struct cmd *self, struct cmdq_item *item)
+{
+	struct args		*args = cmd_get_args(self);
+	struct client		*c = cmdq_get_client(item);
+	struct window_pane	*wp = cmdq_get_target(item)->wp;
+	char			*buf, *cause;
+	const char		*bufname;
+	size_t			 len;
+
+	if (cmd_get_entry(self) == &cmd_clear_history_entry) {
+		window_pane_reset_mode_all(wp);
+		grid_clear_history(wp->base.grid);
+		return (CMD_RETURN_NORMAL);
+	}
+
+	len = 0;
+	if (args_has(args, 'P'))
+		buf = cmd_capture_pane_pending(args, wp, &len);
+	else
+		buf = cmd_capture_pane_history(args, item, wp, &len);
+	if (buf == NULL)
+		return (CMD_RETURN_ERROR);
+
+	if (args_has(args, 'p')) {
+		if (len > 0 && buf[len - 1] == '\n')
+			len--;
+		if (c->flags & CLIENT_CONTROL)
+			control_write(c, "%.*s", (int)len, buf);
+		else {
+			if (!file_can_print(c)) {
+				cmdq_error(item, "can't write to client");
+				free(buf);
+				return (CMD_RETURN_ERROR);
+			}
+			file_print_buffer(c, buf, len);
+			file_print(c, "\n");
+			free(buf);
+		}
+	} else {
+		bufname = NULL;
+		if (args_has(args, 'b'))
+			bufname = args_get(args, 'b');
+
+		if (paste_set(buf, len, bufname, &cause) != 0) {
+			cmdq_error(item, "%s", cause);
+			free(cause);
+			free(buf);
+			return (CMD_RETURN_ERROR);
+		}
+	}
+
+	return (CMD_RETURN_NORMAL);
+}