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feat(f_chansend): support Blob data argument

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This commit is contained in:
Sean Dewar 2021-07-29 12:26:13 +01:00
parent e88961943b
commit 7e9ea08321
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GPG Key ID: 08CC2C83AD41B581
4 changed files with 19 additions and 3 deletions
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4
runtime/doc/eval.txt
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@ -3217,8 +3217,8 @@ chansend({id}, {data}) *chansend()*
written if the write succeeded, 0 otherwise.
See |channel-bytes| for more information.
{data} may be a string, string convertible, or a list. If
{data} is a list, the items will be joined by newlines; any
{data} may be a string, string convertible, |Blob|, or a list.
If {data} is a list, the items will be joined by newlines; any
newlines in an item will be sent as NUL. To send a final
newline, include a final empty string. Example: >
:call chansend(id, ["abc", "123\n456", ""])

1
src/nvim/channel.c
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@ -516,6 +516,7 @@ uint64_t channel_from_stdio(bool rpc, CallbackReader on_output,
/// @param data will be consumed
size_t channel_send(uint64_t id, char *data, size_t len,
bool data_owned, const char **error)
FUNC_ATTR_NONNULL_ALL
{
Channel *chan = find_channel(id);
size_t written = 0;

12
src/nvim/eval/funcs.c
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@ -972,7 +972,17 @@ static void f_chansend(typval_T *argvars, typval_T *rettv, FunPtr fptr)
}
ptrdiff_t input_len = 0;
char *input = save_tv_as_string(&argvars[1], &input_len, false);
char *input = NULL;
if (argvars[1].v_type == VAR_BLOB) {
const blob_T *const b = argvars[1].vval.v_blob;
input_len = tv_blob_len(b);
if (input_len > 0) {
input = xmemdup(b->bv_ga.ga_data, input_len);
}
} else {
input = save_tv_as_string(&argvars[1], &input_len, false);
}
if (!input) {
// Either the error has been handled by save_tv_as_string(),
// or there is no input to send.

5
test/functional/core/channels_spec.lua
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@ -89,6 +89,9 @@ describe('channels', function()
command("call chansend(id, 'howdy')")
eq({"notification", "stdout", {id, {"[1, ['howdy'], 'stdin']"}}}, next_msg())
command("call chansend(id, 0z686f6c61)")
eq({"notification", "stdout", {id, {"[1, ['hola'], 'stdin']"}}}, next_msg())
command("call chanclose(id, 'stdin')")
expect_twostreams({{"notification", "stdout", {id, {"[1, [''], 'stdin']"}}},
{'notification', 'stdout', {id, {''}}}},
@ -131,6 +134,8 @@ describe('channels', function()
command("call chansend(id, 'TEXT\n')")
expect_twoline(id, "stdout", "TEXT\r", "[1, ['TEXT', ''], 'stdin']")
command("call chansend(id, 0z426c6f6273210a)")
expect_twoline(id, "stdout", "Blobs!\r", "[1, ['Blobs!', ''], 'stdin']")
command("call chansend(id, 'neovan')")
eq({"notification", "stdout", {id, {"neovan"}}}, next_msg())