Define a structure for holding hook information, as well as set/show hook
commands.
---
Makefile.am | 3 ++
cmd-set-hook.c | 95 ++++++++++++++++++++++++++++++++++++++++++++++
cmd-show-hooks.c | 62 ++++++++++++++++++++++++++++++
cmd.c | 2 +
hooks.c | 112 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
session.c | 2 +
tmux.c | 2 +
tmux.h | 27 ++++++++++++++
8 files changed, 305 insertions(+)
create mode 100644 cmd-set-hook.c
create mode 100644 cmd-show-hooks.c
create mode 100644 hooks.c
diff --git a/Makefile.am b/Makefile.am
index 071c3a1..7739f24 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -118,8 +118,10 @@ dist_tmux_SOURCES = \
cmd-send-keys.c \
cmd-set-buffer.c \
cmd-set-environment.c \
+ cmd-set-hook.c \
cmd-set-option.c \
cmd-show-environment.c \
+ cmd-show-hooks.c \
cmd-show-messages.c \
cmd-show-options.c \
cmd-source-file.c \
@@ -139,6 +141,7 @@ dist_tmux_SOURCES = \
grid-cell.c \
grid-view.c \
grid.c \
+ hooks.c \
input-keys.c \
input.c \
job.c \
diff --git a/cmd-set-hook.c b/cmd-set-hook.c
new file mode 100644
index 0000000..75aebb9
--- /dev/null
+++ b/cmd-set-hook.c
@@ -0,0 +1,95 @@
+/* $Id$ */
+
+/*
+ * Copyright (c) 2012 Thomas Adam <tho...@xteddy.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 <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+/*
+ * Set a global or session hook.
+ */
+
+enum cmd_retval cmd_set_hook_exec(struct cmd *, struct cmd_q *);
+void cmd_set_hook_prepare(struct cmd *, struct cmd_q *);
+
+const struct cmd_entry cmd_set_hook_entry = {
+ "set-hook", NULL,
+ "gt:u", 1, 2,
+ "[-gu]" CMD_TARGET_SESSION_USAGE " hook-name [command]",
+ CMD_PREPARESESSION,
+ cmd_set_hook_exec,
+ NULL
+};
+
+enum cmd_retval
+cmd_set_hook_exec(struct cmd *self, struct cmd_q *cmdq)
+{
+ struct args *args = self->args;
+ struct session *s;
+ struct cmd_list *cmdlist;
+ struct hooks *hooks;
+ struct hook *hook;
+ char *cause;
+ const char *name, *cmd;
+
+ s = cmdq->state.s;
+ if (s == NULL || args_has(args, 'g'))
+ hooks = &global_hooks;
+ else
+ hooks = &s->hooks;
+
+ name = args->argv[0];
+ if (*name == '\0') {
+ cmdq_error(cmdq, "invalid hook name");
+ return (CMD_RETURN_ERROR);
+ }
+ if (args->argc < 2)
+ cmd = NULL;
+ else
+ cmd = args->argv[1];
+
+ if (args_has(args, 'u')) {
+ if (cmd != NULL) {
+ cmdq_error(cmdq, "command passed to unset hook: %s",
+ name);
+ return (CMD_RETURN_ERROR);
+ }
+ if ((hook = hooks_find(hooks, name)) != NULL)
+ hooks_remove(hooks, hook);
+ return (CMD_RETURN_NORMAL);
+ }
+
+ if (cmd == NULL) {
+ cmdq_error(cmdq, "no command to set hook: %s", name);
+ return (CMD_RETURN_ERROR);
+ }
+ if (cmd_string_parse(cmd, &cmdlist, NULL, 0, &cause) != 0) {
+ if (cause != NULL) {
+ cmdq_error(cmdq, "%s", cause);
+ free(cause);
+ }
+ return (CMD_RETURN_ERROR);
+ }
+ hooks_add(hooks, name, cmdlist);
+ cmd_list_free(cmdlist);
+
+ return (CMD_RETURN_NORMAL);
+}
diff --git a/cmd-show-hooks.c b/cmd-show-hooks.c
new file mode 100644
index 0000000..4babd76
--- /dev/null
+++ b/cmd-show-hooks.c
@@ -0,0 +1,62 @@
+/* $Id$ */
+
+/*
+ * Copyright (c) 2012 Thomas Adam <tho...@xteddy.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 <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+/*
+ * Show global or session hooks.
+ */
+
+enum cmd_retval cmd_show_hooks_exec(struct cmd *, struct cmd_q *);
+
+const struct cmd_entry cmd_show_hooks_entry = {
+ "show-hooks", NULL,
+ "gt:", 0, 1,
+ "[-g] " CMD_TARGET_SESSION_USAGE,
+ CMD_PREPARESESSION,
+ cmd_show_hooks_exec,
+ NULL
+};
+
+enum cmd_retval
+cmd_show_hooks_exec(struct cmd *self, struct cmd_q *cmdq)
+{
+ struct args *args = self->args;
+ struct session *s;
+ struct hooks *hooks;
+ struct hook *hook;
+ char tmp[BUFSIZ];
+ size_t used;
+
+ if ((s = cmdq->state.s) == NULL)
+ return (CMD_RETURN_ERROR);
+ hooks = args_has(args, 'g') ? &global_hooks : &s->hooks;
+
+ RB_FOREACH(hook, hooks_tree, &hooks->tree) {
+ used = xsnprintf(tmp, sizeof tmp, "%s -> ", hook->name);
+ cmd_list_print(hook->cmdlist, tmp + used, (sizeof tmp) - used);
+ cmdq_print(cmdq, "%s", tmp);
+ }
+
+ return (CMD_RETURN_NORMAL);
+}
diff --git a/cmd.c b/cmd.c
index 66716bd..205b241 100644
--- a/cmd.c
+++ b/cmd.c
@@ -95,10 +95,12 @@ const struct cmd_entry *cmd_table[] = {
&cmd_server_info_entry,
&cmd_set_buffer_entry,
&cmd_set_environment_entry,
+ &cmd_set_hook_entry,
&cmd_set_option_entry,
&cmd_set_window_option_entry,
&cmd_show_buffer_entry,
&cmd_show_environment_entry,
+ &cmd_show_hooks_entry,
&cmd_show_messages_entry,
&cmd_show_options_entry,
&cmd_show_window_options_entry,
diff --git a/hooks.c b/hooks.c
new file mode 100644
index 0000000..c41a5e3
--- /dev/null
+++ b/hooks.c
@@ -0,0 +1,112 @@
+/* $Id$ */
+
+/*
+ * Copyright (c) 2012 Thomas Adam <tho...@xteddy.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 <sys/types.h>
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "tmux.h"
+
+RB_GENERATE(hooks_tree, hook, entry, hooks_cmp);
+
+struct hook *hooks_find1(struct hooks *, const char *);
+
+int
+hooks_cmp(struct hook *hook1, struct hook *hook2)
+{
+ return (strcmp(hook1->name, hook2->name));
+}
+
+void
+hooks_init(struct hooks *hooks, struct hooks *parent)
+{
+ RB_INIT(&hooks->tree);
+ hooks->parent = parent;
+}
+
+void
+hooks_free(struct hooks *hooks)
+{
+ struct hook *hook, *hook1;
+
+ RB_FOREACH_SAFE(hook, hooks_tree, &hooks->tree, hook1)
+ hooks_remove(hooks, hook);
+}
+
+void
+hooks_add(struct hooks *hooks, const char *name, struct cmd_list *cmdlist)
+{
+ struct hook *hook;
+
+ if ((hook = hooks_find1(hooks, name)) != NULL)
+ hooks_remove(hooks, hook);
+
+ hook = xcalloc(1, sizeof *hook);
+ hook->name = xstrdup(name);
+ hook->cmdlist = cmdlist;
+ hook->cmdlist->references++;
+
+ RB_INSERT(hooks_tree, &hooks->tree, hook);
+}
+
+void
+hooks_remove(struct hooks *hooks, struct hook *hook)
+{
+ RB_REMOVE(hooks_tree, &hooks->tree, hook);
+ cmd_list_free(hook->cmdlist);
+ free((char *) hook->name);
+ free(hook);
+}
+
+struct hook *
+hooks_find1(struct hooks *hooks, const char *name)
+{
+ struct hook hook;
+
+ hook.name = name;
+ return (RB_FIND(hooks_tree, &hooks->tree, &hook));
+}
+
+struct hook *
+hooks_find(struct hooks *hooks, const char *name)
+{
+ struct hook hook0, *hook;
+
+ hook0.name = name;
+ hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
+ while (hook == NULL) {
+ hooks = hooks->parent;
+ if (hooks == NULL)
+ break;
+ hook = RB_FIND(hooks_tree, &hooks->tree, &hook0);
+ }
+ return (hook);
+}
+
+void
+hooks_run(struct hook *hook, struct cmd_q *cmdq)
+{
+ struct cmd *cmd;
+
+ TAILQ_FOREACH(cmd, &hook->cmdlist->list, qentry) {
+ cmd_prepare(cmd, cmdq);
+ /* TA: FIXME: How do we handle errors here, if at all??? */
+ cmd->entry->exec(cmd, cmdq);
+ }
+}
diff --git a/session.c b/session.c
index 3ac9fb2..4453164 100644
--- a/session.c
+++ b/session.c
@@ -105,6 +105,7 @@ session_create(const char *name, int argc, char **argv,
const char *path,
TAILQ_INIT(&s->lastw);
RB_INIT(&s->windows);
+ hooks_init(&s->hooks, &global_hooks);
options_init(&s->options, &global_s_options);
environ_init(&s->environ);
if (env != NULL)
@@ -163,6 +164,7 @@ session_destroy(struct session *s)
session_group_remove(s);
environ_free(&s->environ);
options_free(&s->options);
+ hooks_free(&s->hooks);
while (!TAILQ_EMPTY(&s->lastw))
winlink_stack_remove(&s->lastw, TAILQ_FIRST(&s->lastw));
diff --git a/tmux.c b/tmux.c
index 5a1988e..36ca7a8 100644
--- a/tmux.c
+++ b/tmux.c
@@ -39,6 +39,7 @@ struct options global_options; /* server
options */
struct options global_s_options; /* session options */
struct options global_w_options; /* window options */
struct environ global_environ;
+struct hooks global_hooks;
struct event_base *ev_base;
@@ -289,6 +290,7 @@ main(int argc, char **argv)
flags |= CLIENT_UTF8;
}
+ hooks_init(&global_hooks, NULL);
environ_init(&global_environ);
for (var = environ; *var != NULL; var++)
environ_put(&global_environ, *var);
diff --git a/tmux.h b/tmux.h
index ab191c6..ba79969 100644
--- a/tmux.h
+++ b/tmux.h
@@ -1027,6 +1027,18 @@ struct environ_entry {
};
RB_HEAD(environ, environ_entry);
+/* Hooks. */
+struct hook {
+ const char *name;
+ struct cmd_list *cmdlist;
+ RB_ENTRY(hook) entry;
+};
+
+struct hooks {
+ RB_HEAD(hooks_tree, hook) tree;
+ struct hooks *parent;
+};
+
/* Client session. */
struct session_group {
TAILQ_HEAD(, session) sessions;
@@ -1052,6 +1064,7 @@ struct session {
struct winlink_stack lastw;
struct winlinks windows;
+ struct hooks hooks;
struct options options;
#define SESSION_UNATTACHED 0x1 /* not attached to any clients */
@@ -1503,6 +1516,7 @@ struct options_table_entry {
#define CMD_BUFFER_USAGE "[-b buffer-name]"
/* tmux.c */
+extern struct hooks global_hooks;
extern struct options global_options;
extern struct options global_s_options;
extern struct options global_w_options;
@@ -1551,6 +1565,17 @@ void format_window_pane(struct format_tree
*,
void format_paste_buffer(struct format_tree *,
struct paste_buffer *, int);
+/* hooks.c */
+int hooks_cmp(struct hook *, struct hook *);
+RB_PROTOTYPE(hooks_tree, hook, entry, hooks_cmp);
+void hooks_init(struct hooks *, struct hooks *);
+void hooks_free(struct hooks *);
+void hooks_add(struct hooks *, const char *, struct cmd_list *);
+void hooks_copy(struct hooks *, struct hooks *);
+void hooks_remove(struct hooks *, struct hook *);
+void hooks_run(struct hook *, struct cmd_q *);
+struct hook *hooks_find(struct hooks *, const char *);
+
/* mode-key.c */
extern const struct mode_key_table mode_key_tables[];
extern struct mode_key_tree mode_key_tree_vi_edit;
@@ -1828,10 +1853,12 @@ extern const struct cmd_entry cmd_send_prefix_entry;
extern const struct cmd_entry cmd_server_info_entry;
extern const struct cmd_entry cmd_set_buffer_entry;
extern const struct cmd_entry cmd_set_environment_entry;
+extern const struct cmd_entry cmd_set_hook_entry;
extern const struct cmd_entry cmd_set_option_entry;
extern const struct cmd_entry cmd_set_window_option_entry;
extern const struct cmd_entry cmd_show_buffer_entry;
extern const struct cmd_entry cmd_show_environment_entry;
+extern const struct cmd_entry cmd_show_hooks_entry;
extern const struct cmd_entry cmd_show_messages_entry;
extern const struct cmd_entry cmd_show_options_entry;
extern const struct cmd_entry cmd_show_window_options_entry;
--
2.1.4
------------------------------------------------------------------------------
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