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API: nvim_create_buf: add scratch parameter

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Creating a scratch buffer is a chore/ritual, and would be more
useful/common if formally exposed.
This commit is contained in:
Justin M. Keyes
2019-02-09 16:38:36 +01:00
parent 023e832d40
commit aee29e51a6
3 changed files with 71 additions and 14 deletions
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35
src/nvim/api/vim.c
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@@ -955,23 +955,36 @@ void nvim_set_current_win(Window window, Error *err)
}
}
/// Create new empty buffer
/// Creates a new, empty, unnamed buffer.
///
/// @param listed whether the buffer should be listed
/// @param listed Controls 'buflisted'
/// @param scratch Creates a "throwaway" |scratch-buffer| for temporary work
/// (always 'nomodified')
/// @param[out] err Error details, if any
/// @return the buffer handle or 0 when error
Buffer nvim_create_buf(Boolean listed, Error *err)
/// @return Buffer handle, or 0 on error
///
/// @see buf_open_scratch
Buffer nvim_create_buf(Boolean listed, Boolean scratch, Error *err)
FUNC_API_SINCE(6)
{
try_start();
Buffer buffer = buflist_add(NULL,
BLN_NOOPT | BLN_NEW | (listed ? BLN_LISTED : 0));
if (!try_end(err) && buffer == 0) {
api_set_error(err,
kErrorTypeException,
"Failed to create buffer");
buf_T *buf = buflist_new(NULL, NULL, (linenr_T)0,
BLN_NOOPT | BLN_NEW | (listed ? BLN_LISTED : 0));
try_end(err);
if (buf == NULL) {
if (!ERROR_SET(err)) {
api_set_error(err, kErrorTypeException, "Failed to create buffer");
}
return 0;
}
return buffer;
if (scratch) {
WITH_BUFFER(buf, {
set_option_value("bh", 0L, "hide", OPT_LOCAL);
set_option_value("bt", 0L, "nofile", OPT_LOCAL);
set_option_value("swf", 0L, NULL, OPT_LOCAL);
});
}
return buf->b_fnum;
}
/// Gets the current list of tabpage handles.