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README.md

clever-f.vim

Build Status Coverage Status

clever-f.vim extends f, F, t and T mappings for more convenience. Instead of ;, f is available to repeat after you type f{char} or F{char}. F after f{char} and F{char} is also available to undo a jump. t{char} and T{char} are ditto. This extension makes a repeat easier and makes you forget the existence of ;. You can use ; for other key mapping. In addition, this extension provides many convenient features like target character highlighting, smart case matching and so on.

If you want to reset the searching character without moving cursor, map <Plug>(clever-f-reset) to your favorite key.

Lastly, you can customize the behavior of the mappings and features.

Try Online Demo using vim.js

USAGE

Screen shot

I'll show some examples of usage. _ is the place of cursor, -> is a move of cursor, alphabets above -> is input by keyboard. Note that this is a part of clever-f.vim's features.

f

input:       fh         f         f      e         fo         f
move :  _---------->_------>_---------->_->_---------------->_->_
input:                            F                            F
move :                        _<-----------------------------_<-_
text :  hoge        huga    hoo         hugu                ponyo

f screencast

F

input:        f        Fh       b     f                         Fo
move :  _<----------_<------_<-_<-----------------------------_<-_
input:        F        F          F
move :  _---------->_------>_----------->_
text :  hoge        huga    huyo         hugu                ponyo

F screencast

t

input:       th         t         t      e         to         t
move :  _--------->_------>_---------->_-->_--------------->_->_
input:                            T                            T
move :                         _<-----------------------------__
text :  hoge        huga    hoo         hugu                ponyo

t screencast

CUSTOMIZE

Search a character only in current line

g:clever_f_across_no_line controls to search a character across multi lines or not. Please set it to 1 in your vimrc to search a character only in current line.

Ignore case

g:clever_f_ignore_case controls whether or not searches are case-insensitive. If you want searches to be case-insensitive, set it to 1 in your vimrc.

Smart case

g:clever_f_smart_case controls whether searches are smart case or not. If you type a lower case character, the case will be ignored however if you type an upper case character it will only search for upper case characters. Please set it to 1 in your vimrc to enable searching by smart case.

Target character highlighting in current line

clever-f.vim highlights the target character you input in current line. The highlight is cleared automatically when the search ends. If you want to change the highlight group, set your favorite highlight group to g:clever_f_mark_char_color.

Below is an example using ta in description of clever-f.vim.

highlight example

Here, ta searches a forward then matches the character before a and Ta searches a backward then matches the character after a. You can see the highlighted target is dynamically changed following the cursor's direction.

Timeout

You can specify the timeout for f, F, t and T mappings. If the interval of these mappings is greater than the one you specified, clever-f.vim resets its state to make you input a new character. This feature is disabled by default. If you want to use this feature, set g:clever_f_timeout_ms to proper value.

Repeat last input

<CR> is easy to type but usually it isn't input as the target character of search. So by default, when you input <CR> as {char}, the previous input is used instead of <CR>. For example, when you previously input fa and then input f<CR>, a will be used as input instead of <CR>. You can specify characters to use previous input by setting g:clever_f_repeat_last_char_inputs. Adding <Tab> may be handy.

Migemo support

In Japanese environment, it is convenient that fa matches in some cases. Originally, this feature is provided by migemo. clever-f can search multibyte Japanese character with f, 'F', 't' and 'T' key mappings. A cmigemo package is NOT required because clever-f includes regex patterns generated by migemo. Set clever_f_use_migemo to 1 to get migemo support.

Fix a direction of search

If you always want to search forward with f and always want to search backward with F, set g:clever_f_fix_key_direction to 1.

input:        F        Fh     b     F                         Fo
move :  _<----------_<------_<-_<-----------------------------_<-_
input:        f        f          f
move :  _---------->_------>_----------->_
text :  hoge        huga    huyo         hugu                ponyo

Show prompt

If you want to show a prompt when you input a character for clever-f, set g:clever_f_show_prompt to 1. The prompt is disposed after a character is input.

Match all symbols with one char

Many symbol ({, (, ", and so on) keys are hard to press. If you want to match ; key to all symbols, you can use g:clever_f_chars_match_any_signs. If you set it to ';', f; matches all symbols.

input:   f;   f       f      f f       f       f
move :  _-->_--->_--------->_>_>_------------>_>_
text :  hoge.huga( autoloads: %w{ aaa bbb ccc } )

Keeping the functionality of ; and , via mappings

If you are used to using ; and , for forward and backward searching, but still want these to work the same way with clever-f, you can simply remap ;and , to use this plugin:

map ; <Plug>(clever-f-repeat-forward)
map , <Plug>(clever-f-repeat-back)

LICENSE

Distributed under MIT License. See doc/clever_f.txt

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