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refactor(ui): simplify stdin handling

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This commit is contained in:
bfredl
2022-04-22 20:56:31 +02:00
parent 619c8f4b91
commit ad63b94b03
9 changed files with 106 additions and 53 deletions
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16
src/nvim/api/ui.c
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@@ -283,6 +283,22 @@ static void ui_set_option(UI *ui, bool init, String name, Object value, Error *e
return;
}
if (strequal(name.data, "stdin_fd")) {
if (value.type != kObjectTypeInteger || value.data.integer < 0) {
api_set_error(error, kErrorTypeValidation, "stdin_fd must be a non-negative Integer");
return;
}
if (starting != NO_SCREEN) {
api_set_error(error, kErrorTypeValidation,
"stdin_fd can only be used with first attached ui");
return;
}
stdin_fd = (int)value.data.integer;
return;
}
// LEGACY: Deprecated option, use `ext_cmdline` instead.
bool is_popupmenu = strequal(name.data, "popupmenu_external");

32
src/nvim/api/vim.c
View File

@@ -2661,35 +2661,3 @@ end:
xfree(cmdline);
return result;
}
/// Invokes the nvim server to read from stdin when it is not a tty
///
/// It enables functionalities like:
/// - echo "1f u c4n r34d th1s u r34lly n33d t0 g37 r357"| nvim -
/// - cat path/to/a/file | nvim -
/// It has to be called before |nvim_ui_attach()| is called in order
/// to ensure proper functioning.
///
/// @param channel_id: The channel id of the GUI-client
/// @param filedesc: The file descriptor of the GUI-client process' stdin
/// @param implicit: Tells if read_stdin call is implicit.
/// i.e for cases like `echo xxx | nvim`
/// @param[out] err Error details, if any
void nvim_read_stdin(uint64_t channel_id, Integer filedesc, Error *err)
FUNC_API_SINCE(6) FUNC_API_REMOTE_ONLY
{
if (starting != NO_SCREEN) {
api_set_error(err, kErrorTypeValidation,
"nvim_read_stdin must be called before nvim_ui_attach");
return;
}
if (filedesc < 0) {
api_set_error(err, kErrorTypeValidation,
"file descriptor must be non-negative");
return;
}
stdin_filedesc = (int)filedesc;
implicit_readstdin = implicit;
return;
}