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patch 7.4.1438

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Problem:    Can't get buffer number of a channel.
Solution:   Add ch_getbufnr().
This commit is contained in:
Bram Moolenaar
2016-02-27 21:10:09 +01:00
parent 136f29a91d
commit c7f0ebc6d1
6 changed files with 85 additions and 14 deletions
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11
runtime/doc/channel.txt
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@@ -561,11 +561,14 @@ TODO: *job-term*
When the IO mode is "buffer" and there is a callback, the text is appended to
the buffer before invoking the callback.
*E915*
The name of the buffer is compared the full name of existing buffers. If
there is a match that buffer is used. Otherwise a new buffer is created,
where 'buftype' is set to "nofile" and 'bufhidden' to "hide". If you prefer
other settings, create the buffer first and pass the buffer number.
there is a match that buffer is used. Otherwise a new buffer is created.
Use an empty name to always create a new buffer. |ch_getbufnr()| can then be
used to get the buffer number.
For a new buffer 'buftype' is set to "nofile" and 'bufhidden' to "hide". If
you prefer other settings, create the buffer first and pass the buffer number.
When the buffer written to is displayed in a window and the cursor is in the
first column of the last line, the cursor will be moved to the newly added

8
runtime/doc/eval.txt
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@@ -1822,6 +1822,7 @@ ch_evalexpr( {channel}, {expr} [, {options}])
any evaluate {expr} on JSON {channel}
ch_evalraw( {channel}, {string} [, {options}])
any evaluate {string} on raw {channel}
ch_getbufnr( {channel}, {what}) Number get buffer number for {channel}/{what}
ch_getjob( {channel}) Job get the Job of {channel}
ch_log( {msg} [, {channel}]) none write {msg} in the channel log file
ch_logfile( {fname} [, {mode}]) none start logging channel activity
@@ -2721,6 +2722,13 @@ ch_evalraw({channel}, {string} [, {options}]) *ch_evalraw()*
{only available when compiled with the |+channel| feature}
ch_getbufnr({channel}, {what}) *ch_getbufnr()*
Get the buffer number that {channel} is using for {what}.
{what} can be "err" for stderr, "out" for stdout or empty for
socket output.
Returns -1 when there is no buffer.
{only available when compiled with the |+channel| feature}
ch_getjob({channel}) *ch_getjob()*
Get the Job associated with {channel}.
If there is no job calling |job_status()| on the returned Job