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Create function for creating a coord/key lookup dict

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This commit is contained in:
Kim Silkebækken 2011-04-02 16:30:10 +02:00
parent 9e69b61e6a
commit e68d5b08cd
1 changed files with 22 additions and 15 deletions
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37
plugin/EasyMotion.vim
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@ -325,26 +325,33 @@
return groups
endfunction
" }}}
" }}}
" Core functions {{{
" Create key index {{{
function! s:CreateIndex(chars) " {{{
let index_to_key = {}
let key_to_index = {}
" Coord/key dictionary creation {{{
function! s:CreateCoordKeyDict(groups, ...)
" Dict structure:
" 1,2 : a
" 2,3 : b
let coord_keys = {}
let group_key = a:0 == 1 ? a:1 : ''
let idx = 0
for char in split(a:chars, '\zs')
let index_to_key[idx] = char
let key_to_index[char] = idx
for [key, item] in items(a:groups)
let key = ( ! empty(group_key) ? group_key : key)
let idx += 1
if type(item) == 3
" Destination coords
let coord_keys[join(item, ',')] = key
else
" Item is a dict (has children)
call extend(coord_keys, s:CreateCoordKeyDict(item, key))
endif
unlet item
endfor
return [index_to_key, key_to_index]
endfunction "}}}
let [s:index_to_key, s:key_to_index] = s:CreateIndex(g:EasyMotion_keys)
return coord_keys
endfunction
" }}}
" }}}
" Core functions {{{
function! s:PromptUser(groups) "{{{
let single_group = len(a:groups) == 1
let targets_len = single_group ? len(a:groups[0]) : len(a:groups)