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SearchInRange : Limit search to range when jumping to the next search result.

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created by
Ingo Karkat
 
script type
utility
 
description
DESCRIPTION
Vim can limit the scope of searches to the remainder of the buffer with the
'wrapscan' option, but it cannot limit searches to a particular range, other
than by including special regular expression atoms like /\%l. It's not easy
to restrict a search to the current function, or next 100 lines, even though
such is often useful to avoid getting lost in the buffer.

This plugin provides custom search motions, similar to the built-in n / N,
which only move to matches of the current search pattern that fall within a
certain range that has been specified through the :SearchInRange command, or
an equivalent mapping.

SEE ALSO
- Check out the SearchRepeat.vim plugin page (vimscript #4949) for a full
  list of custom searches that integrate with it.

RELATED WORKS
- range-search (vimscript #1396) defines a :R command.
- vis.vim (vimscript #1195) defines a :S command and // and ?? mappings. It
  works by modifying the search pattern to add restrictions for lines and
  columns.

USAGE
:[range]SearchInRange   Search forward to the first occurrence of the current
                        search pattern inside [range]. Limit search to lines
                        inside [range] when jumping to the next search result.
:[range]SearchInRange [/]{pattern}[/]
                        Search for {pattern}, starting with the first occurrence
                        inside [range]. Limit search to lines inside [range]
                        when jumping to the next search result. Without [/],
                        only literal whole words are matched. :search-args

:[range]SearchInRangeInclude [range]
                        Add [range] / the current line to the list of ranges
                        that are searched. If you pass the [range] after the
                        command, it is re-evaluated on each search; i.e. you
                        can for example pass marks ('a,'b), and the resulting
                        lines will be reevaluated, adapting to changes in the
                        buffer.

:[range]SearchInRangeExclude [range]
                        Remove [range] / the current line from the list of
                        ranges that are searched. If you pass the [range]
                        after the command, it is re-evaluated on each search.

:SearchInRangeClear     Reset the search by clearing all ranges. You need to
                        specify a new one to use this search again. This
                        command is useful to e.g. search in all lines matching
                        "foo":
                            :SearchInRangeClear | global/foo/SearchInRangeInclude
                       or with dynamic ranges: >
                            :SearchInRangeClear | SearchInRangeInclude /foo/

{Visual}<Leader>n       Jump to the first occurrence of the last search
                        pattern inside the current selection. Limit search to
                        lines inside selection when jumping to the next search
                        result.

<Leader>n{motion}       Use the moved-over lines as a range to limit searches
                        to. Jump to first occurrence of the last search
                        pattern inside the range.

The special searches all start with 'go...' (mnemonic: "go once to special
match"); and come in search forward (go...) and backward (gO...) variants.

[count]gor / gOr        Search forward / backward to the [count]'th occurrence
                        of the last search pattern in the previously specified
                        range.
 
install details
INSTALLATION
The code is hosted in a Git repo at
    https://github.com/inkarkat/vim-SearchInRange
You can use your favorite plugin manager, or "git clone" into a directory used
for Vim packages. Releases are on the "stable" branch, the latest unstable
development snapshot on "master".

This script is also packaged as a vimball. If you have the "gunzip"
decompressor in your PATH, simply edit the *.vmb.gz package in Vim; otherwise,
decompress the archive first, e.g. using WinZip. Inside Vim, install by
sourcing the vimball or via the :UseVimball command.
    vim SearchInRange*.vmb.gz
    :so %
To uninstall, use the :RmVimball command.

DEPENDENCIES
- Requires Vim 7.0 or higher.
- Requires the ingo-library.vim plugin (vimscript #4433), version 1.022 or
  higher.
- SearchRepeat.vim (vimscript #4949) plugin, version 2.00 or higher (optional)

CONFIGURATION
For a permanent configuration, put the following commands into your vimrc:

If you want to use different mappings, map your keys to the
<Plug>(SearchInRange...) mapping targets _before_ sourcing the script
(e.g. in your vimrc):
    xmap <Leader>n <Plug>(SearchInRange)
    nmap <Leader>n <Plug>(SearchInRangeOperator)
    nmap gor <Plug>(SearchInRangeNext)
    nmap gOr <Plug>(SearchInRangePrev)

INTEGRATION
If the SearchRepeat plugin is installed, a parallel set of "go now and for
next searches" mappings (starting with 'gn...' instead of 'go...') is
installed. These mappings have the same effect, but in addition re-program the
'n/N' keys to repeat this particular search (until another gn... search is
used).
 

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script versions (upload new version)

Click on the package to download.

package script version date Vim version user release notes
SearchInRange-2.00.vmb.gz 2.00 2017-12-08 7.0 Ingo Karkat - Add SearchInRangeInclude, SearchInRangeExclude, SearchInRangeClear commands. These allow dynamic ranges that get re-interpreted on each search.
- Implement skipping over gaps between individual ranges.
- Also add {pattern} to the search history.
SearchInRange-1.01.vmb.gz 1.01 2014-09-26 7.0 Ingo Karkat - FIX: Need to explicitly account for closed folds in the range passed to SearchInRange#SetAndSearchInRange().
- FIX: When moving to start / end of range, must use "c" search flag to avoid skipping a match directly at the border.
- FIX: After moving outside the range, also need to use "c" search flag.
- FIX: Correct default mappings in documentation. *** You need to update to ingo-library (vimscript #4433) version 1.022! ***
SearchInRange-1.00.vmb.gz 1.00 2014-08-06 7.0 Ingo Karkat Initial upload
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