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ultimate-vim/sources_forked/zencoding/autoload/zencoding/util.vim

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VimL
Executable File

"==============================================================================
" region utils
"==============================================================================
" deleteContent : delete content in region
" if region make from between '<foo>' and '</foo>'
" --------------------
" begin:<foo>
" </foo>:end
" --------------------
" this function make the content as following
" --------------------
" begin::end
" --------------------
function! zencoding#util#deleteContent(region)
let lines = getline(a:region[0][0], a:region[1][0])
call setpos('.', [0, a:region[0][0], a:region[0][1], 0])
silent! exe "delete ".(a:region[1][0] - a:region[0][0])
call setline(line('.'), lines[0][:a:region[0][1]-2] . lines[-1][a:region[1][1]])
endfunction
" change_content : change content in region
" if region make from between '<foo>' and '</foo>'
" --------------------
" begin:<foo>
" </foo>:end
" --------------------
" and content is
" --------------------
" foo
" bar
" baz
" --------------------
" this function make the content as following
" --------------------
" begin:foo
" bar
" baz:end
" --------------------
function! zencoding#util#setContent(region, content)
let newlines = split(a:content, '\n', 1)
let oldlines = getline(a:region[0][0], a:region[1][0])
call setpos('.', [0, a:region[0][0], a:region[0][1], 0])
silent! exe "delete ".(a:region[1][0] - a:region[0][0])
if len(newlines) == 0
let tmp = ''
if a:region[0][1] > 1
let tmp = oldlines[0][:a:region[0][1]-2]
endif
if a:region[1][1] >= 1
let tmp .= oldlines[-1][a:region[1][1]:]
endif
call setline(line('.'), tmp)
elseif len(newlines) == 1
if a:region[0][1] > 1
let newlines[0] = oldlines[0][:a:region[0][1]-2] . newlines[0]
endif
if a:region[1][1] >= 1
let newlines[0] .= oldlines[-1][a:region[1][1]:]
endif
call setline(line('.'), newlines[0])
else
if a:region[0][1] > 1
let newlines[0] = oldlines[0][:a:region[0][1]-2] . newlines[0]
endif
if a:region[1][1] >= 1
let newlines[-1] .= oldlines[-1][a:region[1][1]:]
endif
call setline(line('.'), newlines[0])
call append(line('.'), newlines[1:])
endif
endfunction
" select_region : select region
" this function make a selection of region
function! zencoding#util#selectRegion(region)
call setpos('.', [0, a:region[1][0], a:region[1][1], 0])
normal! v
call setpos('.', [0, a:region[0][0], a:region[0][1], 0])
endfunction
" point_in_region : check point is in the region
" this function return 0 or 1
function! zencoding#util#pointInRegion(point, region)
if !zencoding#util#regionIsValid(a:region) | return 0 | endif
if a:region[0][0] > a:point[0] | return 0 | endif
if a:region[1][0] < a:point[0] | return 0 | endif
if a:region[0][0] == a:point[0] && a:region[0][1] > a:point[1] | return 0 | endif
if a:region[1][0] == a:point[0] && a:region[1][1] < a:point[1] | return 0 | endif
return 1
endfunction
" cursor_in_region : check cursor is in the region
" this function return 0 or 1
function! zencoding#util#cursorInRegion(region)
if !zencoding#util#regionIsValid(a:region) | return 0 | endif
let cur = getpos('.')[1:2]
return zencoding#util#pointInRegion(cur, a:region)
endfunction
" region_is_valid : check region is valid
" this function return 0 or 1
function! zencoding#util#regionIsValid(region)
if a:region[0][0] == 0 || a:region[1][0] == 0 | return 0 | endif
return 1
endfunction
" search_region : make region from pattern which is composing start/end
" this function return array of position
function! zencoding#util#searchRegion(start, end)
return [searchpairpos(a:start, '', a:end, 'bcnW'), searchpairpos(a:start, '\%#', a:end, 'nW')]
endfunction
" get_content : get content in region
" this function return string in region
function! zencoding#util#getContent(region)
if !zencoding#util#regionIsValid(a:region)
return ''
endif
let lines = getline(a:region[0][0], a:region[1][0])
if a:region[0][0] == a:region[1][0]
let lines[0] = lines[0][a:region[0][1]-1:a:region[1][1]-1]
else
let lines[0] = lines[0][a:region[0][1]-1:]
let lines[-1] = lines[-1][:a:region[1][1]-1]
endif
return join(lines, "\n")
endfunction
" region_in_region : check region is in the region
" this function return 0 or 1
function! zencoding#util#regionInRegion(outer, inner)
if !zencoding#util#regionIsValid(a:inner) || !zencoding#util#regionIsValid(a:outer)
return 0
endif
return zencoding#util#pointInRegion(a:inner[0], a:outer) && zencoding#util#pointInRegion(a:inner[1], a:outer)
endfunction
" get_visualblock : get region of visual block
" this function return region of visual block
function! zencoding#util#getVisualBlock()
return [[line("'<"), col("'<")], [line("'>"), col("'>")]]
endfunction
"==============================================================================
" html utils
"==============================================================================
function! zencoding#util#getContentFromURL(url)
let res = system(printf("%s %s", g:zencoding_curl_command, shellescape(substitute(a:url, '#.*', '', ''))))
let s1 = len(split(res, '?'))
let utf8 = iconv(res, 'utf-8', &encoding)
let s2 = len(split(utf8, '?'))
return (s2 == s1 || s2 >= s1 * 2) ? utf8 : res
endfunction
function! zencoding#util#getTextFromHTML(buf)
let threshold_len = 100
let threshold_per = 0.1
let buf = a:buf
let buf = strpart(buf, stridx(buf, '</head>'))
let buf = substitute(buf, '<style[^>]*>.\{-}</style>', '', 'g')
let buf = substitute(buf, '<script[^>]*>.\{-}</script>', '', 'g')
let res = ''
let max = 0
let mx = '\(<td[^>]\{-}>\)\|\(<\/td>\)\|\(<div[^>]\{-}>\)\|\(<\/div>\)'
let m = split(buf, mx)
for str in m
let c = split(str, '<[^>]*?>')
let str = substitute(str, '<[^>]\{-}>', ' ', 'g')
let str = substitute(str, '&gt;', '>', 'g')
let str = substitute(str, '&lt;', '<', 'g')
let str = substitute(str, '&quot;', '"', 'g')
let str = substitute(str, '&apos;', "'", 'g')
let str = substitute(str, '&nbsp;', ' ', 'g')
let str = substitute(str, '&yen;', '\&#65509;', 'g')
let str = substitute(str, '&amp;', '\&', 'g')
let str = substitute(str, '^\s*\(.*\)\s*$', '\1', '')
let str = substitute(str, '\s\+', ' ', 'g')
let l = len(str)
if l > threshold_len
let per = (l+0.0) / len(c)
if max < l && per > threshold_per
let max = l
let res = str
endif
endif
endfor
let res = substitute(res, '^\s*\(.*\)\s*$', '\1', 'g')
return res
endfunction
function! zencoding#util#getImageSize(fn)
let fn = a:fn
if zencoding#util#isImageMagickInstalled()
return zencoding#util#imageSizeWithImageMagick(fn)
endif
if filereadable(fn)
let hex = substitute(system('xxd -p "'.fn.'"'), '\n', '', 'g')
else
let hex = substitute(system(g:zencoding_curl_command.' "'.fn.'" | xxd -p'), '\n', '', 'g')
endif
let [width, height] = [-1, -1]
if hex =~ '^89504e470d0a1a0a'
let width = eval('0x'.hex[32:39])
let height = eval('0x'.hex[40:47])
endif
if hex =~ '^ffd8'
let pos = 4
while pos < len(hex)
let bs = hex[pos+0:pos+3]
let pos += 4
if bs == 'ffc0' || bs == 'ffc2'
let pos += 6
let height = eval('0x'.hex[pos+0:pos+1])*256 + eval('0x'.hex[pos+2:pos+3])
let pos += 4
let width = eval('0x'.hex[pos+0:pos+1])*256 + eval('0x'.hex[pos+2:pos+3])
break
elseif bs =~ 'ffd[9a]'
break
elseif bs =~ 'ff\(e[0-9a-e]\|fe\|db\|dd\|c4\)'
let pos += (eval('0x'.hex[pos+0:pos+1])*256 + eval('0x'.hex[pos+2:pos+3])) * 2
endif
endwhile
endif
if hex =~ '^47494638'
let width = eval('0x'.hex[14:15].hex[12:13])
let height = eval('0x'.hex[18:19].hex[16:17])
endif
return [width, height]
endfunction
function! zencoding#util#imageSizeWithImageMagick(fn)
let img_info = system('identify -format "%wx%h" "'.a:fn.'"')
let img_size = split(substitute(img_info, '\n', '', ''), 'x')
let width = img_size[0]
let height = img_size[1]
return [width, height]
endfunction
function! zencoding#util#isImageMagickInstalled()
if !get(s:, 'zencoding_use_identify', 1)
return 0
endif
return executable('identify')
endfunction