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history-substring-search: update to upstream version 2019-05-12
Updates OMZ's copy to commit 0f80b8eb3368b46e5e573c1d91ae69eb095db3fb from zsh-users/zsh-history-substring-search
This commit is contained in:
Marc Cornellà
parent
2a3a940a45
commit
fd534eb979
@ -1,25 +1,44 @@
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zsh-history-substring-search
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==============================================================================
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# zsh-history-substring-search
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This is a clean-room implementation of the [Fish shell][1]'s history search
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feature, where you can type in any part of any previously entered command
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and press the UP and DOWN arrow keys to cycle through the matching commands.
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You can also use K and J in VI mode or ^P and ^N in EMACS mode for the same.
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feature, where you can type in any part of any command from history and then
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press chosen keys, such as the UP and DOWN arrows, to cycle through matches.
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[1]: https://fishshell.com
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[2]: https://www.zsh.org/mla/users/2009/msg00818.html
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[3]: https://sourceforge.net/projects/fizsh/
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[4]: https://github.com/ohmyzsh/ohmyzsh/pull/215
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[1]: http://fishshell.com
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[2]: http://www.zsh.org/mla/users/2009/msg00818.html
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[3]: http://sourceforge.net/projects/fizsh/
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[4]: https://github.com/robbyrussell/oh-my-zsh/pull/215
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[5]: https://github.com/zsh-users/zsh-history-substring-search
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[6]: https://github.com/zsh-users/zsh-syntax-highlighting
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------------------------------------------------------------------------------
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Requirements
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------------------------------------------------------------------------------
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* [ZSH](http://zsh.sourceforge.net) 4.3 or newer
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Install
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------------------------------------------------------------------------------
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Using the [Homebrew]( https://brew.sh ) package manager:
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brew install zsh-history-substring-search
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echo 'source /usr/local/share/zsh-history-substring-search/zsh-history-substring-search.zsh' >> ~/.zshrc
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Using [Oh-my-zsh](https://github.com/robbyrussell/oh-my-zsh):
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1. Clone this repository in oh-my-zsh's plugins directory:
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git clone https://github.com/zsh-users/zsh-history-substring-search ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-history-substring-search
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2. Activate the plugin in `~/.zshrc`:
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plugins=( [plugins...] history-substring-search)
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3. Source `~/.zshrc` to take changes into account:
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source ~/.zshrc
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Usage
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------------------------------------------------------------------------------
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@ -33,98 +52,128 @@ Usage
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% source zsh-syntax-highlighting.zsh
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% source zsh-history-substring-search.zsh
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2. Bind keyboard shortcuts to this script's functions:
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2. Bind keyboard shortcuts to this script's functions.
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# bind UP and DOWN arrow keys
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zmodload zsh/terminfo
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bindkey "$terminfo[kcuu1]" history-substring-search-up
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bindkey "$terminfo[kcud1]" history-substring-search-down
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Users typically bind their UP and DOWN arrow keys to this script, thus:
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* Run `cat -v` in your favorite terminal emulator to observe key codes.
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(**NOTE:** In some cases, `cat -v` shows the wrong key codes. If the
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key codes shown by `cat -v` don't work for you, press `<C-v><UP>` and
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`<C-v><DOWN>` at your ZSH command line prompt for correct key codes.)
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* Press the UP arrow key and observe what is printed in your terminal.
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* Press the DOWN arrow key and observe what is printed in your terminal.
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* Press the Control and C keys simultaneously to terminate the `cat -v`.
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* Use your observations from the previous steps to create key bindings.
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For example, if you observed `^[[A` for UP and `^[[B` for DOWN, then:
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# bind UP and DOWN arrow keys (compatibility fallback
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# for Ubuntu 12.04, Fedora 21, and MacOSX 10.9 users)
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bindkey '^[[A' history-substring-search-up
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bindkey '^[[B' history-substring-search-down
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bindkey '^[[A' history-substring-search-up
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bindkey '^[[B' history-substring-search-down
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# bind P and N for EMACS mode
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bindkey -M emacs '^P' history-substring-search-up
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bindkey -M emacs '^N' history-substring-search-down
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However, if the observed values don't work, you can try using terminfo:
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# bind k and j for VI mode
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bindkey -M vicmd 'k' history-substring-search-up
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bindkey -M vicmd 'j' history-substring-search-down
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bindkey "$terminfo[kcuu1]" history-substring-search-up
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bindkey "$terminfo[kcud1]" history-substring-search-down
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You might also want to bind the Control-P/N keys for use in EMACS mode:
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bindkey -M emacs '^P' history-substring-search-up
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bindkey -M emacs '^N' history-substring-search-down
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You might also want to bind the `k` and `j` keys for use in VI mode:
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bindkey -M vicmd 'k' history-substring-search-up
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bindkey -M vicmd 'j' history-substring-search-down
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3. Type any part of any previous command and then:
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* Press the UP arrow key to select the nearest command that (1) contains
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your query and (2) is older than the current command in the command
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history.
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* Press the `history-substring-search-up` key, which was configured in
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step 2 above, to select the nearest command that (1) contains your query
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and (2) is also older than the current command in your command history.
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* Press the DOWN arrow key to select the nearest command that (1)
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contains your query and (2) is newer than the current command in the
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command history.
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* Press the `history-substring-search-down` key, which was configured in
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step 2 above, to select the nearest command that (1) contains your query
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and (2) is also newer than the current command in your command history.
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* Press ^U (the Control and U keys simultaneously) to abort the search.
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* Press `^U` the Control and U keys simultaneously to abort the search.
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4. If a matching command spans more than one line of text, press the LEFT
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arrow key to move the cursor away from the end of the command, and then:
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* Press the UP arrow key to move the cursor to the line above. When the
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cursor reaches the first line of the command, pressing the UP arrow
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key again will cause this script to perform another search.
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* Press the `history-substring-search-up` key, which was configured in
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step 2 above, to move the cursor to the line above the cursored line.
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When the cursor reaches the first line of the command, pressing the
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`history-substring-search-up` key again will cause this script to
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perform another search.
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* Press the `history-substring-search-down` key, which was configured in
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step 2 above, to move the cursor to the line below the cursored line.
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When the cursor reaches the last line of the command, pressing the
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`history-substring-search-down` key, which was configured in step 2
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above, again will cause this script to perform another search.
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* Press the DOWN arrow key to move the cursor to the line below. When
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the cursor reaches the last line of the command, pressing the DOWN
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arrow key again will cause this script to perform another search.
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------------------------------------------------------------------------------
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Configuration
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------------------------------------------------------------------------------
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This script defines the following global variables. You may override their
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default values only after having loaded this script into your ZSH session.
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* HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND is a global variable that defines
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* `HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND` is a global variable that defines
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how the query should be highlighted inside a matching command. Its default
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value causes this script to highlight using bold, white text on a magenta
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background. See the "Character Highlighting" section in the zshzle(1) man
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page to learn about the kinds of values you may assign to this variable.
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* HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND is a global variable that
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* `HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND` is a global variable that
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defines how the query should be highlighted when no commands in the
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history match it. Its default value causes this script to highlight using
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bold, white text on a red background. See the "Character Highlighting"
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section in the zshzle(1) man page to learn about the kinds of values you
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may assign to this variable.
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* HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS is a global variable that defines
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* `HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS` is a global variable that defines
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how the command history will be searched for your query. Its default value
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causes this script to perform a case-insensitive search. See the "Globbing
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Flags" section in the zshexpn(1) man page to learn about the kinds of
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values you may assign to this variable.
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To always receive _unique_ search results, use `setopt HIST_IGNORE_ALL_DUPS`.
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Alternatively, use `setopt HIST_FIND_NO_DUPS` which makes this plugin skip
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duplicate _adjacent_ search results as you cycle through them---however, this
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does not guarantee that search results are unique: if your search results were
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"Dog", "Dog", "HotDog", "Dog", then cycling them gives "Dog", "HotDog", "Dog".
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Notice that the "Dog" search result appeared twice as you cycled through them!
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If you wish to avoid this limitation, then use `setopt HIST_IGNORE_ALL_DUPS`.
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* `HISTORY_SUBSTRING_SEARCH_FUZZY` is a global variable that defines
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how the command history will be searched for your query. If set to a non-empty
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value, causes this script to perform a fuzzy search by words, matching in
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given order e.g. `ab c` will match `*ab*c*`
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* `HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE` is a global variable that defines
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whether all search results returned are _unique_. If set to a non-empty
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value, then only unique search results are presented. This behaviour is off
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by default. An alternative way to ensure that search results are unique is
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to use `setopt HIST_IGNORE_ALL_DUPS`. If this configuration variable is off
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and `setopt HIST_IGNORE_ALL_DUPS` is unset, then `setopt HIST_FIND_NO_DUPS`
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is still respected and it makes this script skip duplicate _adjacent_ search
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results as you cycle through them, but this does not guarantee that search
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results are unique: if your search results were "Dog", "Dog", "HotDog",
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"Dog", then cycling them gives "Dog", "HotDog", "Dog". Notice that the "Dog"
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search result appeared twice as you cycled through them. If you wish to
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receive globally unique search results only once, then use this
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configuration variable, or use `setopt HIST_IGNORE_ALL_DUPS`.
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------------------------------------------------------------------------------
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History
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------------------------------------------------------------------------------
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This script was originally written by [Peter Stephenson][2], who published it
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to the ZSH users mailing list (thereby making it public domain) in September
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2009. It was later revised by Guido van Steen and released under the BSD
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license (see below) as part of [the fizsh project][3] in January 2011.
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* September 2009: [Peter Stephenson][2] originally wrote this script and it
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published to the zsh-users mailing list.
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It was later extracted from fizsh release 1.0.1, refactored heavily, and
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repackaged as both an [oh-my-zsh plugin][4] and as an independently loadable
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[ZSH script][5] by Suraj N. Kurapati in 2011.
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* January 2011: Guido van Steen (@guidovansteen) revised this script and
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released it under the 3-clause BSD license as part of [fizsh][3], the
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Friendly Interactive ZSHell.
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It was [further developed][4] by Guido van Steen, Suraj N. Kurapati, Sorin
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Ionescu, and Vincent Guerci in 2011.
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* January 2011: Suraj N. Kurapati (@sunaku) extracted this script from
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[fizsh][3] 1.0.1, refactored it heavily, and finally repackaged it as an
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[oh-my-zsh plugin][4] and as an independently loadable [ZSH script][5].
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* July 2011: Guido van Steen, Suraj N. Kurapati, and Sorin Ionescu
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(@sorin-ionescu) [further developed it][4] with Vincent Guerci (@vguerci).
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* March 2016: Geza Lore (@gezalore) greatly refactored it in pull request #55.
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------------------------------------------------------------------------------
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Oh My Zsh Distribution Notes
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@ -138,8 +187,8 @@ https://github.com/zsh-users/zsh-history-substring-search.
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This downstream copy was last updated from the following upstream commit:
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SHA: 2c295432175990c1bb4e90bc13f609daa67a25d6
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Commit date: 2015-09-28 10:47:34 -0700
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SHA: 0f80b8eb3368b46e5e573c1d91ae69eb095db3fb
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Commit date: 2019-05-12 17:35:54 -0700
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Everything above this section is a copy of the original upstream's README, so things
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may differ slightly when you're using this inside OMZ. In particular, you do not
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@ -1,20 +1,9 @@
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# This file integrates the zsh-history-substring-search script into oh-my-zsh.
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source "${0:r:r}.zsh"
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if test "$CASE_SENSITIVE" = true; then
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unset HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS
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fi
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if test "$DISABLE_COLOR" = true; then
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unset HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
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unset HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
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fi
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0=${(%):-%N}
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source ${0:A:h}/zsh-history-substring-search.zsh
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# Bind terminal-specific up and down keys
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# Bind in both emacs and vi modes so it works in both, and is not
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# sensitive to whether this is loaded before or after the vi-mode plugin
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if [[ -n "$terminfo[kcuu1]" ]]; then
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bindkey -M emacs "$terminfo[kcuu1]" history-substring-search-up
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bindkey -M viins "$terminfo[kcuu1]" history-substring-search-up
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@ -6,6 +6,8 @@
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# Copyright (c) 2011 Suraj N. Kurapati
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# Copyright (c) 2011 Sorin Ionescu
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# Copyright (c) 2011 Vincent Guerci
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# Copyright (c) 2016 Geza Lore
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# Copyright (c) 2017 Bengt Brodersen
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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@ -38,12 +40,30 @@
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##############################################################################
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#-----------------------------------------------------------------------------
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# configuration variables
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# declare global configuration variables
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#-----------------------------------------------------------------------------
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HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND='bg=magenta,fg=white,bold'
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HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND='bg=red,fg=white,bold'
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HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS='i'
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typeset -g HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND='bg=magenta,fg=white,bold'
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typeset -g HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND='bg=red,fg=white,bold'
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typeset -g HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS='i'
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typeset -g HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE=''
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typeset -g HISTORY_SUBSTRING_SEARCH_FUZZY=''
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#-----------------------------------------------------------------------------
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# declare internal global variables
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#-----------------------------------------------------------------------------
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typeset -g BUFFER MATCH MBEGIN MEND CURSOR
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typeset -g _history_substring_search_refresh_display
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typeset -g _history_substring_search_query_highlight
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typeset -g _history_substring_search_result
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typeset -g _history_substring_search_query
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typeset -g -a _history_substring_search_query_parts
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typeset -g -a _history_substring_search_raw_matches
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typeset -g -i _history_substring_search_raw_match_index
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typeset -g -a _history_substring_search_matches
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typeset -g -i _history_substring_search_match_index
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typeset -g -A _history_substring_search_unique_filter
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#-----------------------------------------------------------------------------
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# the main ZLE widgets
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@ -180,62 +200,104 @@ _history-substring-search-begin() {
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_history_substring_search_query_highlight=
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#
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# Continue using the previous $_history_substring_search_result by default,
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# unless the current query was cleared or a new/different query was entered.
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# If the buffer is the same as the previously displayed history substring
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# search result, then just keep stepping through the match list. Otherwise
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# start a new search.
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#
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if [[ -z $BUFFER || $BUFFER != $_history_substring_search_result ]]; then
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if [[ -n $BUFFER && $BUFFER == ${_history_substring_search_result:-} ]]; then
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return;
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fi
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#
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# Clear the previous result.
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#
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_history_substring_search_result=''
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if [[ -z $BUFFER ]]; then
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#
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# For the purpose of highlighting we will also keep
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# a version without doubly-escaped meta characters.
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# If the buffer is empty, we will just act like up-history/down-history
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# in ZSH, so we do not need to actually search the history. This should
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# speed things up a little.
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#
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_history_substring_search_query=
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_history_substring_search_query_parts=()
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_history_substring_search_raw_matches=()
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else
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#
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# For the purpose of highlighting we keep a copy of the original
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# query string.
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#
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_history_substring_search_query=$BUFFER
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#
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# $BUFFER contains the text that is in the command-line currently.
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# we put an extra "\\" before meta characters such as "\(" and "\)",
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# so that they become "\\\(" and "\\\)".
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# compose search pattern
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#
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_history_substring_search_query_escaped=${BUFFER//(#m)[\][()|\\*?#<>~^]/\\$MATCH}
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if [[ -n $HISTORY_SUBSTRING_SEARCH_FUZZY ]]; then
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#
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# `=` split string in arguments
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#
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_history_substring_search_query_parts=(${=_history_substring_search_query})
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else
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_history_substring_search_query_parts=(${==_history_substring_search_query})
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fi
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#
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# Find all occurrences of the search query in the history file.
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# Escape and join query parts with wildcard character '*' as seperator
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# `(j:CHAR:)` join array to string with CHAR as seperator
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#
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local search_pattern="*${(j:*:)_history_substring_search_query_parts[@]//(#m)[\][()|\\*?#<>~^]/\\$MATCH}*"
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#
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# Find all occurrences of the search pattern in the history file.
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#
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# (k) returns the "keys" (history index numbers) instead of the values
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# (Oa) reverses the order, because (R) returns results reversed.
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# (R) returns values in reverse older, so the index of the youngest
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# matching history entry is at the head of the list.
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#
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_history_substring_search_matches=(${(kOa)history[(R)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)*${_history_substring_search_query_escaped}*]})
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_history_substring_search_raw_matches=(${(k)history[(R)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)${search_pattern}]})
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fi
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#
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# Define the range of values that $_history_substring_search_match_index
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# can take: [0, $_history_substring_search_matches_count_plus].
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#
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_history_substring_search_matches_count=$#_history_substring_search_matches
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_history_substring_search_matches_count_plus=$(( _history_substring_search_matches_count + 1 ))
|
||||
_history_substring_search_matches_count_sans=$(( _history_substring_search_matches_count - 1 ))
|
||||
#
|
||||
# In order to stay as responsive as possible, we will process the raw
|
||||
# matches lazily (when the user requests the next match) to choose items
|
||||
# that need to be displayed to the user.
|
||||
# _history_substring_search_raw_match_index holds the index of the last
|
||||
# unprocessed entry in _history_substring_search_raw_matches. Any items
|
||||
# that need to be displayed will be added to
|
||||
# _history_substring_search_matches.
|
||||
#
|
||||
# We use an associative array (_history_substring_search_unique_filter) as
|
||||
# a 'set' data structure to ensure uniqueness of the results if desired.
|
||||
# If an entry (key) is in the set (non-empty value), then we have already
|
||||
# added that entry to _history_substring_search_matches.
|
||||
#
|
||||
_history_substring_search_raw_match_index=0
|
||||
_history_substring_search_matches=()
|
||||
_history_substring_search_unique_filter=()
|
||||
|
||||
#
|
||||
# If $_history_substring_search_match_index is equal to
|
||||
# $_history_substring_search_matches_count_plus, this indicates that we
|
||||
# are beyond the beginning of $_history_substring_search_matches.
|
||||
#
|
||||
# If $_history_substring_search_match_index is equal to 0, this indicates
|
||||
# that we are beyond the end of $_history_substring_search_matches.
|
||||
#
|
||||
# If we have initially pressed "up" we have to initialize
|
||||
# $_history_substring_search_match_index to
|
||||
# $_history_substring_search_matches_count_plus so that it will be
|
||||
# decreased to $_history_substring_search_matches_count.
|
||||
#
|
||||
# If we have initially pressed "down" we have to initialize
|
||||
# $_history_substring_search_match_index to
|
||||
# $_history_substring_search_matches_count so that it will be increased to
|
||||
# $_history_substring_search_matches_count_plus.
|
||||
#
|
||||
if [[ $WIDGET == history-substring-search-down ]]; then
|
||||
_history_substring_search_match_index=$_history_substring_search_matches_count
|
||||
else
|
||||
_history_substring_search_match_index=$_history_substring_search_matches_count_plus
|
||||
fi
|
||||
#
|
||||
# If $_history_substring_search_match_index is equal to
|
||||
# $#_history_substring_search_matches + 1, this indicates that we
|
||||
# are beyond the end of $_history_substring_search_matches and that we
|
||||
# have also processed all entries in
|
||||
# _history_substring_search_raw_matches.
|
||||
#
|
||||
# If $#_history_substring_search_match_index is equal to 0, this indicates
|
||||
# that we are beyond the beginning of $_history_substring_search_matches.
|
||||
#
|
||||
# If we have initially pressed "up" we have to initialize
|
||||
# $_history_substring_search_match_index to 0 so that it will be
|
||||
# incremented to 1.
|
||||
#
|
||||
# If we have initially pressed "down" we have to initialize
|
||||
# $_history_substring_search_match_index to 1 so that it will be
|
||||
# decremented to 0.
|
||||
#
|
||||
if [[ $WIDGET == history-substring-search-down ]]; then
|
||||
_history_substring_search_match_index=1
|
||||
else
|
||||
_history_substring_search_match_index=0
|
||||
fi
|
||||
}
|
||||
|
||||
@ -255,16 +317,21 @@ _history-substring-search-end() {
|
||||
_zsh_highlight
|
||||
|
||||
# highlight the search query inside the command line
|
||||
if [[ -n $_history_substring_search_query_highlight && -n $_history_substring_search_query ]]; then
|
||||
#
|
||||
# The following expression yields a variable $MBEGIN, which
|
||||
# indicates the begin position + 1 of the first occurrence
|
||||
# of _history_substring_search_query_escaped in $BUFFER.
|
||||
#
|
||||
: ${(S)BUFFER##(#m$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)($_history_substring_search_query##)}
|
||||
local begin=$(( MBEGIN - 1 ))
|
||||
local end=$(( begin + $#_history_substring_search_query ))
|
||||
region_highlight+=("$begin $end $_history_substring_search_query_highlight")
|
||||
if [[ -n $_history_substring_search_query_highlight ]]; then
|
||||
# highlight first matching query parts
|
||||
local highlight_start_index=0
|
||||
local highlight_end_index=0
|
||||
local query_part
|
||||
for query_part in $_history_substring_search_query_parts; do
|
||||
local escaped_query_part=${query_part//(#m)[\][()|\\*?#<>~^]/\\$MATCH}
|
||||
# (i) get index of pattern
|
||||
local query_part_match_index="${${BUFFER:$highlight_start_index}[(i)(#$HISTORY_SUBSTRING_SEARCH_GLOBBING_FLAGS)${escaped_query_part}]}"
|
||||
if [[ $query_part_match_index -le ${#BUFFER:$highlight_start_index} ]]; then
|
||||
highlight_start_index=$(( $highlight_start_index + $query_part_match_index ))
|
||||
highlight_end_index=$(( $highlight_start_index + ${#query_part} ))
|
||||
region_highlight+=("$(($highlight_start_index - 1)) $(($highlight_end_index - 1)) $_history_substring_search_query_highlight")
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
# For debugging purposes:
|
||||
@ -378,12 +445,143 @@ _history-substring-search-down-history() {
|
||||
return 1
|
||||
}
|
||||
|
||||
_history_substring_search_process_raw_matches() {
|
||||
#
|
||||
# Process more outstanding raw matches and append any matches that need to
|
||||
# be displayed to the user to _history_substring_search_matches.
|
||||
# Return whether there were any more results appended.
|
||||
#
|
||||
|
||||
#
|
||||
# While we have more raw matches. Process them to see if there are any more
|
||||
# matches that need to be displayed to the user.
|
||||
#
|
||||
while [[ $_history_substring_search_raw_match_index -lt $#_history_substring_search_raw_matches ]]; do
|
||||
#
|
||||
# Move on to the next raw entry and get its history index.
|
||||
#
|
||||
_history_substring_search_raw_match_index+=1
|
||||
local index=${_history_substring_search_raw_matches[$_history_substring_search_raw_match_index]}
|
||||
|
||||
#
|
||||
# If HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set to a non-empty value,
|
||||
# then ensure that only unique matches are presented to the user.
|
||||
# When HIST_IGNORE_ALL_DUPS is set, ZSH already ensures a unique history,
|
||||
# so in this case we do not need to do anything.
|
||||
#
|
||||
if [[ ! -o HIST_IGNORE_ALL_DUPS && -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then
|
||||
#
|
||||
# Get the actual history entry at the new index, and check if we have
|
||||
# already added it to _history_substring_search_matches.
|
||||
#
|
||||
local entry=${history[$index]}
|
||||
|
||||
if [[ -z ${_history_substring_search_unique_filter[$entry]} ]]; then
|
||||
#
|
||||
# This is a new unique entry. Add it to the filter and append the
|
||||
# index to _history_substring_search_matches.
|
||||
#
|
||||
_history_substring_search_unique_filter[$entry]=1
|
||||
_history_substring_search_matches+=($index)
|
||||
|
||||
#
|
||||
# Indicate that we did find a match.
|
||||
#
|
||||
return 0
|
||||
fi
|
||||
|
||||
else
|
||||
#
|
||||
# Just append the new history index to the processed matches.
|
||||
#
|
||||
_history_substring_search_matches+=($index)
|
||||
|
||||
#
|
||||
# Indicate that we did find a match.
|
||||
#
|
||||
return 0
|
||||
fi
|
||||
|
||||
done
|
||||
|
||||
#
|
||||
# We are beyond the end of the list of raw matches. Indicate that no
|
||||
# more matches are available.
|
||||
#
|
||||
return 1
|
||||
}
|
||||
|
||||
_history-substring-search-has-next() {
|
||||
#
|
||||
# Predicate function that returns whether any more older matches are
|
||||
# available.
|
||||
#
|
||||
|
||||
if [[ $_history_substring_search_match_index -lt $#_history_substring_search_matches ]]; then
|
||||
#
|
||||
# We did not reach the end of the processed list, so we do have further
|
||||
# matches.
|
||||
#
|
||||
return 0
|
||||
|
||||
else
|
||||
#
|
||||
# We are at the end of the processed list. Try to process further
|
||||
# unprocessed matches. _history_substring_search_process_raw_matches
|
||||
# returns whether any more matches were available, so just return
|
||||
# that result.
|
||||
#
|
||||
_history_substring_search_process_raw_matches
|
||||
return $?
|
||||
fi
|
||||
}
|
||||
|
||||
_history-substring-search-has-prev() {
|
||||
#
|
||||
# Predicate function that returns whether any more younger matches are
|
||||
# available.
|
||||
#
|
||||
|
||||
if [[ $_history_substring_search_match_index -gt 1 ]]; then
|
||||
#
|
||||
# We did not reach the beginning of the processed list, so we do have
|
||||
# further matches.
|
||||
#
|
||||
return 0
|
||||
|
||||
else
|
||||
#
|
||||
# We are at the beginning of the processed list. We do not have any more
|
||||
# matches.
|
||||
#
|
||||
return 1
|
||||
fi
|
||||
}
|
||||
|
||||
_history-substring-search-found() {
|
||||
#
|
||||
# A match is available. The index of the match is held in
|
||||
# $_history_substring_search_match_index
|
||||
#
|
||||
# 1. Make $BUFFER equal to the matching history entry.
|
||||
#
|
||||
# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
BUFFER=$history[$_history_substring_search_matches[$_history_substring_search_match_index]]
|
||||
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
}
|
||||
|
||||
_history-substring-search-not-found() {
|
||||
#
|
||||
# Nothing matched the search query, so put it back into the $BUFFER while
|
||||
# highlighting it accordingly so the user can revise it and search again.
|
||||
# No more matches are available.
|
||||
#
|
||||
# 1. Make $BUFFER equal to $_history_substring_search_query so the user can
|
||||
# revise it and search again.
|
||||
#
|
||||
# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
_history_substring_search_old_buffer=$BUFFER
|
||||
BUFFER=$_history_substring_search_query
|
||||
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
|
||||
}
|
||||
@ -392,91 +590,84 @@ _history-substring-search-up-search() {
|
||||
_history_substring_search_refresh_display=1
|
||||
|
||||
#
|
||||
# Highlight matches during history-substring-up-search:
|
||||
# Select history entry during history-substring-down-search:
|
||||
#
|
||||
# The following constants have been initialized in
|
||||
# The following variables have been initialized in
|
||||
# _history-substring-search-up/down-search():
|
||||
#
|
||||
# $_history_substring_search_matches is the current list of matches
|
||||
# $_history_substring_search_matches_count is the current number of matches
|
||||
# $_history_substring_search_matches_count_plus is the current number of matches + 1
|
||||
# $_history_substring_search_matches_count_sans is the current number of matches - 1
|
||||
# $_history_substring_search_matches is the current list of matches that
|
||||
# need to be displayed to the user.
|
||||
# $_history_substring_search_match_index is the index of the current match
|
||||
# that is being displayed to the user.
|
||||
#
|
||||
# The range of values that $_history_substring_search_match_index can take
|
||||
# is: [0, $_history_substring_search_matches_count_plus]. A value of 0
|
||||
# indicates that we are beyond the end of
|
||||
# is: [0, $#_history_substring_search_matches + 1]. A value of 0
|
||||
# indicates that we are beyond the beginning of
|
||||
# $_history_substring_search_matches. A value of
|
||||
# $_history_substring_search_matches_count_plus indicates that we are beyond
|
||||
# the beginning of $_history_substring_search_matches.
|
||||
# $#_history_substring_search_matches + 1 indicates that we are beyond
|
||||
# the end of $_history_substring_search_matches and that we have also
|
||||
# processed all entries in _history_substring_search_raw_matches.
|
||||
#
|
||||
# If $_history_substring_search_match_index equals
|
||||
# $#_history_substring_search_matches and
|
||||
# $_history_substring_search_raw_match_index is not greater than
|
||||
# $#_history_substring_search_raw_matches, then we need to further process
|
||||
# $_history_substring_search_raw_matches to see if there are any more
|
||||
# entries that need to be displayed to the user.
|
||||
#
|
||||
# In _history-substring-search-up-search() the initial value of
|
||||
# $_history_substring_search_match_index is
|
||||
# $_history_substring_search_matches_count_plus. This value is set in
|
||||
# _history-substring-search-begin(). _history-substring-search-up-search()
|
||||
# will initially decrease it to $_history_substring_search_matches_count.
|
||||
# $_history_substring_search_match_index is 0. This value is set in
|
||||
# _history-substring-search-begin(). _history-substring-search-up-search()
|
||||
# will initially increment it to 1.
|
||||
#
|
||||
if [[ $_history_substring_search_match_index -ge 2 ]]; then
|
||||
#
|
||||
# Highlight the next match:
|
||||
#
|
||||
# 1. Decrease the value of $_history_substring_search_match_index.
|
||||
#
|
||||
# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
(( _history_substring_search_match_index-- ))
|
||||
BUFFER=$history[$_history_substring_search_matches[$_history_substring_search_match_index]]
|
||||
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
|
||||
elif [[ $_history_substring_search_match_index -eq 1 ]]; then
|
||||
if [[ $_history_substring_search_match_index -gt $#_history_substring_search_matches ]]; then
|
||||
#
|
||||
# We will move beyond the end of $_history_substring_search_matches:
|
||||
# We are beyond the end of $_history_substring_search_matches. This
|
||||
# can only happen if we have also exhausted the unprocessed matches in
|
||||
# _history_substring_search_raw_matches.
|
||||
#
|
||||
# 1. Decrease the value of $_history_substring_search_match_index.
|
||||
#
|
||||
# 2. Save the current buffer in $_history_substring_search_old_buffer,
|
||||
# so that it can be retrieved by
|
||||
# _history-substring-search-down-search() later.
|
||||
#
|
||||
# 3. Make $BUFFER equal to $_history_substring_search_query.
|
||||
#
|
||||
# 4. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
(( _history_substring_search_match_index-- ))
|
||||
_history-substring-search-not-found
|
||||
|
||||
elif [[ $_history_substring_search_match_index -eq $_history_substring_search_matches_count_plus ]]; then
|
||||
#
|
||||
# We were beyond the beginning of $_history_substring_search_matches but
|
||||
# UP makes us move back to $_history_substring_search_matches:
|
||||
#
|
||||
# 1. Decrease the value of $_history_substring_search_match_index.
|
||||
#
|
||||
# 2. Restore $BUFFER from $_history_substring_search_old_buffer.
|
||||
#
|
||||
# 3. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
(( _history_substring_search_match_index-- ))
|
||||
BUFFER=$_history_substring_search_old_buffer
|
||||
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
|
||||
else
|
||||
#
|
||||
# We are at the beginning of history and there are no further matches.
|
||||
# 1. Update display to indicate search not found.
|
||||
#
|
||||
_history-substring-search-not-found
|
||||
return
|
||||
fi
|
||||
|
||||
if _history-substring-search-has-next; then
|
||||
#
|
||||
# We do have older matches.
|
||||
#
|
||||
# 1. Move index to point to the next match.
|
||||
# 2. Update display to indicate search found.
|
||||
#
|
||||
_history_substring_search_match_index+=1
|
||||
_history-substring-search-found
|
||||
|
||||
else
|
||||
#
|
||||
# We do not have older matches.
|
||||
#
|
||||
# 1. Move the index beyond the end of
|
||||
# _history_substring_search_matches.
|
||||
# 2. Update display to indicate search not found.
|
||||
#
|
||||
_history_substring_search_match_index+=1
|
||||
_history-substring-search-not-found
|
||||
fi
|
||||
|
||||
#
|
||||
# When HIST_FIND_NO_DUPS is set, meaning that only unique command lines from
|
||||
# history should be matched, make sure the new and old results are different.
|
||||
# But when HIST_IGNORE_ALL_DUPS is set, ZSH already ensures a unique history.
|
||||
#
|
||||
if [[ ! -o HIST_IGNORE_ALL_DUPS && -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then
|
||||
# However, if the HIST_IGNORE_ALL_DUPS shell option, or
|
||||
# HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set, then we already have a
|
||||
# unique history, so in this case we do not need to do anything.
|
||||
#
|
||||
if [[ -o HIST_IGNORE_ALL_DUPS || -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then
|
||||
return
|
||||
fi
|
||||
|
||||
if [[ -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then
|
||||
#
|
||||
# Repeat the current search so that a different (unique) match is found.
|
||||
#
|
||||
@ -488,92 +679,75 @@ _history-substring-search-down-search() {
|
||||
_history_substring_search_refresh_display=1
|
||||
|
||||
#
|
||||
# Highlight matches during history-substring-up-search:
|
||||
# Select history entry during history-substring-down-search:
|
||||
#
|
||||
# The following constants have been initialized in
|
||||
# The following variables have been initialized in
|
||||
# _history-substring-search-up/down-search():
|
||||
#
|
||||
# $_history_substring_search_matches is the current list of matches
|
||||
# $_history_substring_search_matches_count is the current number of matches
|
||||
# $_history_substring_search_matches_count_plus is the current number of matches + 1
|
||||
# $_history_substring_search_matches_count_sans is the current number of matches - 1
|
||||
# $_history_substring_search_matches is the current list of matches that
|
||||
# need to be displayed to the user.
|
||||
# $_history_substring_search_match_index is the index of the current match
|
||||
# that is being displayed to the user.
|
||||
#
|
||||
# The range of values that $_history_substring_search_match_index can take
|
||||
# is: [0, $_history_substring_search_matches_count_plus]. A value of 0
|
||||
# indicates that we are beyond the end of
|
||||
# is: [0, $#_history_substring_search_matches + 1]. A value of 0
|
||||
# indicates that we are beyond the beginning of
|
||||
# $_history_substring_search_matches. A value of
|
||||
# $_history_substring_search_matches_count_plus indicates that we are beyond
|
||||
# the beginning of $_history_substring_search_matches.
|
||||
# $#_history_substring_search_matches + 1 indicates that we are beyond
|
||||
# the end of $_history_substring_search_matches and that we have also
|
||||
# processed all entries in _history_substring_search_raw_matches.
|
||||
#
|
||||
# In _history-substring-search-down-search() the initial value of
|
||||
# $_history_substring_search_match_index is
|
||||
# $_history_substring_search_matches_count. This value is set in
|
||||
# _history-substring-search-begin().
|
||||
# _history-substring-search-down-search() will initially increase it to
|
||||
# $_history_substring_search_matches_count_plus.
|
||||
# $_history_substring_search_match_index is 1. This value is set in
|
||||
# _history-substring-search-begin(). _history-substring-search-down-search()
|
||||
# will initially decrement it to 0.
|
||||
#
|
||||
if [[ $_history_substring_search_match_index -le $_history_substring_search_matches_count_sans ]]; then
|
||||
#
|
||||
# Highlight the next match:
|
||||
#
|
||||
# 1. Increase $_history_substring_search_match_index by 1.
|
||||
#
|
||||
# 2. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
(( _history_substring_search_match_index++ ))
|
||||
BUFFER=$history[$_history_substring_search_matches[$_history_substring_search_match_index]]
|
||||
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
|
||||
elif [[ $_history_substring_search_match_index -eq $_history_substring_search_matches_count ]]; then
|
||||
if [[ $_history_substring_search_match_index -lt 1 ]]; then
|
||||
#
|
||||
# We will move beyond the beginning of $_history_substring_search_matches:
|
||||
# We are beyond the beginning of $_history_substring_search_matches.
|
||||
#
|
||||
# 1. Increase $_history_substring_search_match_index by 1.
|
||||
#
|
||||
# 2. Save the current buffer in $_history_substring_search_old_buffer, so
|
||||
# that it can be retrieved by _history-substring-search-up-search()
|
||||
# later.
|
||||
#
|
||||
# 3. Make $BUFFER equal to $_history_substring_search_query.
|
||||
#
|
||||
# 4. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_NOT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
(( _history_substring_search_match_index++ ))
|
||||
_history-substring-search-not-found
|
||||
|
||||
elif [[ $_history_substring_search_match_index -eq 0 ]]; then
|
||||
#
|
||||
# We were beyond the end of $_history_substring_search_matches but DOWN
|
||||
# makes us move back to the $_history_substring_search_matches:
|
||||
#
|
||||
# 1. Increase $_history_substring_search_match_index by 1.
|
||||
#
|
||||
# 2. Restore $BUFFER from $_history_substring_search_old_buffer.
|
||||
#
|
||||
# 3. Use $HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
# to highlight the current buffer.
|
||||
#
|
||||
(( _history_substring_search_match_index++ ))
|
||||
BUFFER=$_history_substring_search_old_buffer
|
||||
_history_substring_search_query_highlight=$HISTORY_SUBSTRING_SEARCH_HIGHLIGHT_FOUND
|
||||
|
||||
else
|
||||
#
|
||||
# We are at the end of history and there are no further matches.
|
||||
# 1. Update display to indicate search not found.
|
||||
#
|
||||
_history-substring-search-not-found
|
||||
return
|
||||
fi
|
||||
|
||||
if _history-substring-search-has-prev; then
|
||||
#
|
||||
# We do have younger matches.
|
||||
#
|
||||
# 1. Move index to point to the previous match.
|
||||
# 2. Update display to indicate search found.
|
||||
#
|
||||
_history_substring_search_match_index+=-1
|
||||
_history-substring-search-found
|
||||
|
||||
else
|
||||
#
|
||||
# We do not have younger matches.
|
||||
#
|
||||
# 1. Move the index beyond the beginning of
|
||||
# _history_substring_search_matches.
|
||||
# 2. Update display to indicate search not found.
|
||||
#
|
||||
_history_substring_search_match_index+=-1
|
||||
_history-substring-search-not-found
|
||||
fi
|
||||
|
||||
#
|
||||
# When HIST_FIND_NO_DUPS is set, meaning that only unique command lines from
|
||||
# history should be matched, make sure the new and old results are different.
|
||||
# But when HIST_IGNORE_ALL_DUPS is set, ZSH already ensures a unique history.
|
||||
#
|
||||
if [[ ! -o HIST_IGNORE_ALL_DUPS && -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then
|
||||
# However, if the HIST_IGNORE_ALL_DUPS shell option, or
|
||||
# HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE is set, then we already have a
|
||||
# unique history, so in this case we do not need to do anything.
|
||||
#
|
||||
if [[ -o HIST_IGNORE_ALL_DUPS || -n $HISTORY_SUBSTRING_SEARCH_ENSURE_UNIQUE ]]; then
|
||||
return
|
||||
fi
|
||||
|
||||
if [[ -o HIST_FIND_NO_DUPS && $BUFFER == $_history_substring_search_result ]]; then
|
||||
#
|
||||
# Repeat the current search so that a different (unique) match is found.
|
||||
#
|
||||
|
||||
Loading…
Reference in New Issue
Block a user