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viminfo: First version of ShaDa file dumping

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What works:

1. ShaDa file dumping: header, registers, jump list, history, search patterns,
   substitute strings, variables.
2. ShaDa file reading: registers, global marks, variables.

Most was not tested.

TODO:

1. Merging.
2. Reading history, local marks, jump and buffer lists.
3. Documentation update.
4. Converting some data from &encoding.
5. Safer variant of dumping viminfo (dump to temporary file then rename).
6. Removing old viminfo code (currently masked with `#if 0` in a ShaDa file for
   reference).
This commit is contained in:
ZyX
2015-04-25 18:47:31 +03:00
parent 0fdaab995e
commit 244dbe3a77
38 changed files with 4511 additions and 1848 deletions
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15
runtime/doc/options.txt
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@@ -6770,10 +6770,14 @@ A jump table for the options with a short description can be found at |Q_op|.
e.g., for Unix: "r/tmp". Case is ignored. Maximum length of
each 'r' argument is 50 characters.
*viminfo-s*
s Maximum size of an item in Kbyte. If zero then registers are
not saved. Currently only applies to registers. The default
"s10" will exclude registers with more than 10 Kbyte of text.
Also see the '<' item above: line count limit.
s Maximum size of an item contents in KiB. If zero then nothing
is saved. Unlike Vim this applies to all items, except for
the buffer list and header. Full item size is off by three
unsigned integers: with `s10` maximum item size may be 1 byte
(type: 7-bit integer) + 9 bytes (timestamp: up to 64-bit
integer) + 3 bytes (item size: up to 16-bit integer because
2^8 < 10240 < 2^16) + 10240 bytes (requested maximum item
contents size) = 10253 bytes.
Example: >
:set viminfo='50,<1000,s100,:0,n~/vim/viminfo
@@ -6782,7 +6786,8 @@ A jump table for the options with a short description can be found at |Q_op|.
edited.
<1000 Contents of registers (up to 1000 lines each) will be
remembered.
s100 Registers with more than 100 Kbyte text are skipped.
s100 Items with contents occupying more then 100 KiB are
skipped.
:0 Command-line history will not be saved.
n~/vim/viminfo The name of the file to use is "~/vim/viminfo".
no / Since '/' is not specified, the default will be used,