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patch 7.4.2258

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Problem:    Two JSON messages are sent without a separator.
Solution:   Separate messages with a NL. (closes #1001)
This commit is contained in:
Bram Moolenaar
2016-08-26 17:58:53 +02:00
parent 9f28953f0c
commit f1f0792e55
7 changed files with 53 additions and 18 deletions
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10
runtime/doc/channel.txt
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@@ -1,4 +1,4 @@
*channel.txt* For Vim version 7.4. Last change: 2016 Jul 15
*channel.txt* For Vim version 7.4. Last change: 2016 Aug 26
VIM REFERENCE MANUAL by Bram Moolenaar
@@ -247,9 +247,15 @@ In which {number} is different every time. It must be used in the response
This way Vim knows which sent message matches with which received message and
can call the right handler. Also when the messages arrive out of order.
A newline character is terminating the JSON text. This can be used to
separate the read text. For example, in Python:
splitidx = read_text.find('\n')
message = read_text[:splitidx]
rest = read_text[splitidx + 1:]
The sender must always send valid JSON to Vim. Vim can check for the end of
the message by parsing the JSON. It will only accept the message if the end
was received.
was received. A newline after the message is optional.
When the process wants to send a message to Vim without first receiving a
message, it must use the number zero: