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Cache some information to make filtering faster

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This commit is contained in:
Jan Larres
2011-01-23 02:22:20 +13:00
parent 39beb53fc1
commit 2fd950e96d
1 changed files with 20 additions and 15 deletions
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35
plugin/tagbar.vim
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@ -406,7 +406,7 @@ function! s:ProcessFile(fname, ftype)
for line in rawtaglist
let parts = split(line, ';"')
if len(parts) == 2 " Is a valid tag line
let taginfo = s:ParseTagline(parts[0], parts[1])
let taginfo = s:ParseTagline(parts[0], parts[1], typeinfo)
let fileinfo.fline[taginfo.fields.line] = taginfo
call add(fileinfo.tags, taginfo)
endif
@ -438,7 +438,7 @@ endfunction
" tagname<TAB>filename<TAB>expattern;"fields
" fields: <TAB>name:value
" fields that are always present: kind, line
function! s:ParseTagline(part1, part2)
function! s:ParseTagline(part1, part2, typeinfo)
let taginfo = {}
let basic_info = split(a:part1, '\t')
@ -470,6 +470,15 @@ function! s:ParseTagline(part1, part2)
let taginfo.fields[key] = val
endfor
" Cache the parent path for fast access in filter() calls
for scope in a:typeinfo.scopes
if has_key(taginfo.fields, scope)
let index = strridx(taginfo.fields[scope], a:typeinfo.sro)
let taginfo.parentpath = strpart(taginfo.fields[scope], 0, index)
break
endif
endfor
return taginfo
endfunction
@ -487,19 +496,17 @@ function! s:AddChildren(tags, processedtags, curpath,
\ pscope, scope, depth, typeinfo)
let is_child = 'has_key(v:val.fields, a:scope)'
if !empty(a:curpath)
let is_child .= ' && s:PathMatches(v:val.fields[a:scope],
\ a:curpath, a:typeinfo.sro)'
let is_child .= ' && v:val.parentpath == a:curpath'
endif
let is_cur_child = is_child . ' && len(split(v:val.fields[a:scope],
\ a:typeinfo.sro)) == a:depth'
let curchildren = filter(copy(a:tags), is_cur_child)
if !empty(curchildren)
call filter(a:tags, '!(' . is_cur_child . ')')
endif
" 'curchildren' are children at the current depth
if !empty(curchildren)
call filter(a:tags, '!(' . is_cur_child . ')')
for child in curchildren
let parentname = substitute(child.fields[a:scope],a:curpath, '', '')
let parentname = substitute(parentname,'^' . a:typeinfo.sro, '', '')
@ -645,19 +652,17 @@ function! s:CreatePseudoTag(name, curpath, pscope, scope, typeinfo)
let pseudotag.fields.kind = a:typeinfo.scope2kind[a:scope]
let pseudotag.fields.line = 0
let parentscope = substitute(a:curpath, a:name . '$', '', '')
let parentscope = substitute(parentscope, a:typeinfo.sro . '$', '', '')
if a:pscope != ''
let parentscope = substitute(a:curpath, a:name, '', '')
let parentscope = substitute(parentscope, a:typeinfo.sro . '$', '', '')
let pseudotag.fields[a:pscope] = parentscope
endif
return pseudotag
endfunction
let index = strridx(parentscope, a:typeinfo.sro)
let pseudotag.parentpath = strpart(parentscope, 0, index)
function! s:PathMatches(scopename, curpath, sro)
let index = strridx(a:scopename, a:sro)
let parentpath = strpart(a:scopename, 0, index)
return parentpath == a:curpath
return pseudotag
endfunction
function! s:SortTags(tags, comparemethod)