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API: Events: Implement channel_send_event and vimscript wrapper

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This function can be used to send arbitrary objects via the API channel back to
connected clients, identified by channel id.
This commit is contained in:
Thiago de Arruda
2014-05-26 13:39:10 -03:00
parent 139c7ffdc7
commit f3dc04bf7f
5 changed files with 101 additions and 1 deletions
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34
src/nvim/eval.c
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@@ -12,7 +12,6 @@
#include <string.h>
#include <stdlib.h>
#include "nvim/vim.h"
#include "nvim/eval.h"
#include "nvim/buffer.h"
@@ -67,6 +66,7 @@
#include "nvim/os/rstream.h"
#include "nvim/os/rstream_defs.h"
#include "nvim/os/time.h"
#include "nvim/os/channel.h"
#if defined(FEAT_FLOAT)
# include <math.h>
@@ -695,6 +695,7 @@ static void f_searchdecl(typval_T *argvars, typval_T *rettv);
static void f_searchpair(typval_T *argvars, typval_T *rettv);
static void f_searchpairpos(typval_T *argvars, typval_T *rettv);
static void f_searchpos(typval_T *argvars, typval_T *rettv);
static void f_send_event(typval_T *argvars, typval_T *rettv);
static void f_setbufvar(typval_T *argvars, typval_T *rettv);
static void f_setcmdpos(typval_T *argvars, typval_T *rettv);
static void f_setline(typval_T *argvars, typval_T *rettv);
@@ -6944,6 +6945,7 @@ static struct fst {
{"searchpair", 3, 7, f_searchpair},
{"searchpairpos", 3, 7, f_searchpairpos},
{"searchpos", 1, 4, f_searchpos},
{"send_event", 3, 3, f_send_event},
{"setbufvar", 3, 3, f_setbufvar},
{"setcmdpos", 1, 1, f_setcmdpos},
{"setline", 2, 2, f_setline},
@@ -13057,6 +13059,36 @@ do_searchpair (
return retval;
}
// "send_event()" function
static void f_send_event(typval_T *argvars, typval_T *rettv)
{
rettv->v_type = VAR_NUMBER;
rettv->vval.v_number = 0;
if (check_restricted() || check_secure()) {
return;
}
if (argvars[0].v_type != VAR_NUMBER || argvars[0].vval.v_number <= 0) {
EMSG2(_(e_invarg2), "Channel id must be a positive integer");
return;
}
if (argvars[1].v_type != VAR_STRING) {
EMSG2(_(e_invarg2), "Event type must be a string");
return;
}
if (!channel_send_event((uint64_t)argvars[0].vval.v_number,
(char *)argvars[1].vval.v_string,
&argvars[2])) {
EMSG2(_(e_invarg2), "Channel doesn't exist");
return;
}
rettv->vval.v_number = 1;
}
/*
* "searchpos()" function
*/