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" Align: tool to align multiple fields based on one or more separators
" Author: Charles E. Campbell, Jr.
" Date: Mar 03, 2009
" Version: 35
" GetLatestVimScripts: 294 1 :AutoInstall: Align.vim
" GetLatestVimScripts: 1066 1 :AutoInstall: cecutil.vim
" Copyright: Copyright (C) 1999-2007 Charles E. Campbell, Jr. {{{1
" Permission is hereby granted to use and distribute this code,
" with or without modifications, provided that this copyright
" notice is copied with it. Like anything else that's free,
" Align.vim is provided *as is* and comes with no warranty
" of any kind, either expressed or implied. By using this
" plugin, you agree that in no event will the copyright
" holder be liable for any damages resulting from the use
" of this software.
"
" Romans 1:16,17a : For I am not ashamed of the gospel of Christ, for it is {{{1
" the power of God for salvation for everyone who believes; for the Jew first,
" and also for the Greek. For in it is revealed God's righteousness from
" faith to faith.
" ---------------------------------------------------------------------
" Load Once: {{{1
if exists("g:loaded_Align") || &cp
finish
endif
let g:loaded_Align = "v35"
if v:version < 700
echohl WarningMsg
echo "***warning*** this version of Align needs vim 7.0"
echohl Normal
finish
endif
let s:keepcpo= &cpo
set cpo&vim
"DechoTabOn
" ---------------------------------------------------------------------
" Debugging Support: {{{1
"if !exists("g:loaded_Decho") | runtime plugin/Decho.vim | endif
" ---------------------------------------------------------------------
" Options: {{{1
if !exists("g:Align_xstrlen")
if &enc == "latin1" || $LANG == "en_US.UTF-8" || !has("multi_byte")
let g:Align_xstrlen= 0
else
let g:Align_xstrlen= 1
endif
endif
" ---------------------------------------------------------------------
" Align#AlignCtrl: enter alignment patterns here {{{1
"
" Styles = all alignment-break patterns are equivalent
" C cycle through alignment-break pattern(s)
" l left-justified alignment
" r right-justified alignment
" c center alignment
" - skip separator, treat as part of field
" : treat rest of line as field
" + repeat previous [lrc] style
" < left justify separators
" > right justify separators
" | center separators
"
" Builds = s:AlignPat s:AlignCtrl s:AlignPatQty
" C s:AlignPat s:AlignCtrl s:AlignPatQty
" p s:AlignPrePad
" P s:AlignPostPad
" w s:AlignLeadKeep
" W s:AlignLeadKeep
" I s:AlignLeadKeep
" l s:AlignStyle
" r s:AlignStyle
" - s:AlignStyle
" + s:AlignStyle
" : s:AlignStyle
" c s:AlignStyle
" g s:AlignGPat
" v s:AlignVPat
" < s:AlignSep
" > s:AlignSep
" | s:AlignSep
fun! Align#AlignCtrl(...)
" call Dfunc("AlignCtrl(...) a:0=".a:0)
" save options that will be changed
let keep_search = @/
let keep_ic = &ic
" turn ignorecase off
set noic
" clear visual mode so that old visual-mode selections don't
" get applied to new invocations of Align().
if v:version < 602
if !exists("s:Align_gavemsg")
let s:Align_gavemsg= 1
echomsg "Align needs at least Vim version 6.2 to clear visual-mode selection"
endif
elseif exists("s:dovisclear")
" call Decho("clearing visual mode a:0=".a:0." a:1<".a:1.">")
let clearvmode= visualmode(1)
endif
" set up a list akin to an argument list
if a:0 > 0
let A= s:QArgSplitter(a:1)
else
let A=[0]
endif
if A[0] > 0
let style = A[1]
" Check for bad separator patterns (zero-length matches)
" (but zero-length patterns for g/v is ok)
if style !~# '[gv]'
let ipat= 2
while ipat <= A[0]
if "" =~ A[ipat]
echoerr "AlignCtrl: separator<".A[ipat]."> matches zero-length string"
let &ic= keep_ic
" call Dret("AlignCtrl")
return
endif
let ipat= ipat + 1
endwhile
endif
endif
" call Decho("AlignCtrl() A[0]=".A[0])
if !exists("s:AlignStyle")
let s:AlignStyle= "l"
endif
if !exists("s:AlignPrePad")
let s:AlignPrePad= 0
endif
if !exists("s:AlignPostPad")
let s:AlignPostPad= 0
endif
if !exists("s:AlignLeadKeep")
let s:AlignLeadKeep= 'w'
endif
if A[0] == 0
" ----------------------
" List current selection
" ----------------------
if !exists("s:AlignPatQty")
let s:AlignPatQty= 0
endif
echo "AlignCtrl<".s:AlignCtrl."> qty=".s:AlignPatQty." AlignStyle<".s:AlignStyle."> Padding<".s:AlignPrePad."|".s:AlignPostPad."> LeadingWS=".s:AlignLeadKeep." AlignSep=".s:AlignSep
" call Decho("AlignCtrl<".s:AlignCtrl."> qty=".s:AlignPatQty." AlignStyle<".s:AlignStyle."> Padding<".s:AlignPrePad."|".s:AlignPostPad."> LeadingWS=".s:AlignLeadKeep." AlignSep=".s:AlignSep)
if exists("s:AlignGPat") && !exists("s:AlignVPat")
echo "AlignGPat<".s:AlignGPat.">"
elseif !exists("s:AlignGPat") && exists("s:AlignVPat")
echo "AlignVPat<".s:AlignVPat.">"
elseif exists("s:AlignGPat") && exists("s:AlignVPat")
echo "AlignGPat<".s:AlignGPat."> AlignVPat<".s:AlignVPat.">"
endif
let ipat= 1
while ipat <= s:AlignPatQty
echo "Pat".ipat."<".s:AlignPat_{ipat}.">"
" call Decho("Pat".ipat."<".s:AlignPat_{ipat}.">")
let ipat= ipat + 1
endwhile
else
" ----------------------------------
" Process alignment control settings
" ----------------------------------
" call Decho("process the alignctrl settings")
" call Decho("style<".style.">")
if style ==? "default"
" Default: preserve initial leading whitespace, left-justified,
" alignment on '=', one space padding on both sides
if exists("s:AlignCtrlStackQty")
" clear AlignCtrl stack
while s:AlignCtrlStackQty > 0
call Align#AlignPop()
endwhile
unlet s:AlignCtrlStackQty
endif
" Set AlignCtrl to its default value
call Align#AlignCtrl("Ilp1P1=<",'=')
call Align#AlignCtrl("g")
call Align#AlignCtrl("v")
let s:dovisclear = 1
let &ic = keep_ic
let @/ = keep_search
" call Dret("AlignCtrl")
return
endif
if style =~# 'm'
" map support: Do an AlignPush now and the next call to Align()
" will do an AlignPop at exit
" call Decho("style case m: do AlignPush")
call Align#AlignPush()
let s:DoAlignPop= 1
endif
" = : record a list of alignment patterns that are equivalent
if style =~# "="
" call Decho("style case =: record list of equiv alignment patterns")
let s:AlignCtrl = '='
if A[0] >= 2
let s:AlignPatQty= 1
let s:AlignPat_1 = A[2]
let ipat = 3
while ipat <= A[0]
let s:AlignPat_1 = s:AlignPat_1.'\|'.A[ipat]
let ipat = ipat + 1
endwhile
let s:AlignPat_1= '\('.s:AlignPat_1.'\)'
" call Decho("AlignCtrl<".s:AlignCtrl."> AlignPat<".s:AlignPat_1.">")
endif
"c : cycle through alignment pattern(s)
elseif style =~# 'C'
" call Decho("style case C: cycle through alignment pattern(s)")
let s:AlignCtrl = 'C'
if A[0] >= 2
let s:AlignPatQty= A[0] - 1
let ipat = 1
while ipat < A[0]
let s:AlignPat_{ipat}= A[ipat+1]
" call Decho("AlignCtrl<".s:AlignCtrl."> AlignQty=".s:AlignPatQty." AlignPat_".ipat."<".s:AlignPat_{ipat}.">")
let ipat= ipat + 1
endwhile
endif
endif
if style =~# 'p'
let s:AlignPrePad= substitute(style,'^.*p\(\d\+\).*$','\1','')
" call Decho("style case p".s:AlignPrePad.": pre-separator padding")
if s:AlignPrePad == ""
echoerr "AlignCtrl: 'p' needs to be followed by a numeric argument'
let @/ = keep_search
let &ic= keep_ic
" call Dret("AlignCtrl")
return
endif
endif
if style =~# 'P'
let s:AlignPostPad= substitute(style,'^.*P\(\d\+\).*$','\1','')
" call Decho("style case P".s:AlignPostPad.": post-separator padding")
if s:AlignPostPad == ""
echoerr "AlignCtrl: 'P' needs to be followed by a numeric argument'
let @/ = keep_search
let &ic= keep_ic
" call Dret("AlignCtrl")
return
endif
endif
if style =~# 'w'
" call Decho("style case w: ignore leading whitespace")
let s:AlignLeadKeep= 'w'
elseif style =~# 'W'
" call Decho("style case w: keep leading whitespace")
let s:AlignLeadKeep= 'W'
elseif style =~# 'I'
" call Decho("style case w: retain initial leading whitespace")
let s:AlignLeadKeep= 'I'
endif
if style =~# 'g'
" first list item is a "g" selector pattern
" call Decho("style case g: global selector pattern")
if A[0] < 2
if exists("s:AlignGPat")
unlet s:AlignGPat
" call Decho("unlet s:AlignGPat")
endif
else
let s:AlignGPat= A[2]
" call Decho("s:AlignGPat<".s:AlignGPat.">")
endif
elseif style =~# 'v'
" first list item is a "v" selector pattern
" call Decho("style case v: global selector anti-pattern")
if A[0] < 2
if exists("s:AlignVPat")
unlet s:AlignVPat
" call Decho("unlet s:AlignVPat")
endif
else
let s:AlignVPat= A[2]
" call Decho("s:AlignVPat<".s:AlignVPat.">")
endif
endif
"[-lrc+:] : set up s:AlignStyle
if style =~# '[-lrc+:]'
" call Decho("style case [-lrc+:]: field justification")
let s:AlignStyle= substitute(style,'[^-lrc:+]','','g')
" call Decho("AlignStyle<".s:AlignStyle.">")
endif
"[<>|] : set up s:AlignSep
if style =~# '[<>|]'
" call Decho("style case [-lrc+:]: separator justification")
let s:AlignSep= substitute(style,'[^<>|]','','g')
" call Decho("AlignSep ".s:AlignSep)
endif
endif
" sanity
if !exists("s:AlignCtrl")
let s:AlignCtrl= '='
endif
" restore search and options
let @/ = keep_search
let &ic= keep_ic
" call Dret("AlignCtrl ".s:AlignCtrl.'p'.s:AlignPrePad.'P'.s:AlignPostPad.s:AlignLeadKeep.s:AlignStyle)
return s:AlignCtrl.'p'.s:AlignPrePad.'P'.s:AlignPostPad.s:AlignLeadKeep.s:AlignStyle
endfun
" ---------------------------------------------------------------------
" s:MakeSpace: returns a string with spacecnt blanks {{{1
fun! s:MakeSpace(spacecnt)
" call Dfunc("MakeSpace(spacecnt=".a:spacecnt.")")
let str = ""
let spacecnt = a:spacecnt
while spacecnt > 0
let str = str . " "
let spacecnt = spacecnt - 1
endwhile
" call Dret("MakeSpace <".str.">")
return str
endfun
" ---------------------------------------------------------------------
" Align#Align: align selected text based on alignment pattern(s) {{{1
fun! Align#Align(hasctrl,...) range
" call Dfunc("Align#Align(hasctrl=".a:hasctrl.",...) a:0=".a:0)
" sanity checks
if string(a:hasctrl) != "0" && string(a:hasctrl) != "1"
echohl Error|echo 'usage: Align#Align(hasctrl<'.a:hasctrl.'> (should be 0 or 1),"separator(s)" (you have '.a:0.') )'|echohl None
" call Dret("Align#Align")
return
endif
if exists("s:AlignStyle") && s:AlignStyle == ":"
echohl Error |echo '(Align#Align) your AlignStyle is ":", which implies "do-no-alignment"!'|echohl None
" call Dret("Align#Align")
return
endif
" set up a list akin to an argument list
if a:0 > 0
let A= s:QArgSplitter(a:1)
else
let A=[0]
endif
" if :Align! was used, then the first argument is (should be!) an AlignCtrl string
" Note that any alignment control set this way will be temporary.
let hasctrl= a:hasctrl
" call Decho("hasctrl=".hasctrl)
if a:hasctrl && A[0] >= 1
" call Decho("Align! : using A[1]<".A[1]."> for AlignCtrl")
if A[1] =~ '[gv]'
let hasctrl= hasctrl + 1
call Align#AlignCtrl('m')
call Align#AlignCtrl(A[1],A[2])
" call Decho("Align! : also using A[2]<".A[2]."> for AlignCtrl")
elseif A[1] !~ 'm'
call Align#AlignCtrl(A[1]."m")
else
call Align#AlignCtrl(A[1])
endif
endif
" Check for bad separator patterns (zero-length matches)
let ipat= 1 + hasctrl
while ipat <= A[0]
if "" =~ A[ipat]
echoerr "Align: separator<".A[ipat]."> matches zero-length string"
" call Dret("Align#Align")
return
endif
let ipat= ipat + 1
endwhile
" record current search pattern for subsequent restoration
let keep_search= @/
let keep_ic = &ic
let keep_report= &report
set noic report=10000
if A[0] > hasctrl
" Align will accept a list of separator regexps
" call Decho("A[0]=".A[0].": accepting list of separator regexp")
if s:AlignCtrl =~# "="
"= : consider all separators to be equivalent
" call Decho("AlignCtrl: record list of equivalent alignment patterns")
let s:AlignCtrl = '='
let s:AlignPat_1 = A[1 + hasctrl]
let s:AlignPatQty= 1
let ipat = 2 + hasctrl
while ipat <= A[0]
let s:AlignPat_1 = s:AlignPat_1.'\|'.A[ipat]
let ipat = ipat + 1
endwhile
let s:AlignPat_1= '\('.s:AlignPat_1.'\)'
" call Decho("AlignCtrl<".s:AlignCtrl."> AlignPat<".s:AlignPat_1.">")
elseif s:AlignCtrl =~# 'C'
"c : cycle through alignment pattern(s)
" call Decho("AlignCtrl: cycle through alignment pattern(s)")
let s:AlignCtrl = 'C'
let s:AlignPatQty= A[0] - hasctrl
let ipat = 1
while ipat <= s:AlignPatQty
let s:AlignPat_{ipat}= A[(ipat + hasctrl)]
" call Decho("AlignCtrl<".s:AlignCtrl."> AlignQty=".s:AlignPatQty." AlignPat_".ipat."<".s:AlignPat_{ipat}.">")
let ipat= ipat + 1
endwhile
endif
endif
" Initialize so that begline<endline and begcol<endcol.
" Ragged right: check if the column associated with '< or '>
" is greater than the line's string length -> ragged right.
" Have to be careful about visualmode() -- it returns the last visual
" mode used whether or not it was used currently.
let begcol = virtcol("'<")-1
let endcol = virtcol("'>")-1
if begcol > endcol
let begcol = virtcol("'>")-1
let endcol = virtcol("'<")-1
endif
" call Decho("begcol=".begcol." endcol=".endcol)
let begline = a:firstline
let endline = a:lastline
if begline > endline
let begline = a:lastline
let endline = a:firstline
endif
" call Decho("begline=".begline." endline=".endline)
let fieldcnt = 0
if (begline == line("'>") && endline == line("'<")) || (begline == line("'<") && endline == line("'>"))
let vmode= visualmode()
" call Decho("vmode=".vmode)
if vmode == "\<c-v>"
if exists("g:Align_xstrlen") && g:Align_xstrlen
let ragged = ( col("'>") > s:Strlen(getline("'>")) || col("'<") > s:Strlen(getline("'<")) )
else
let ragged = ( col("'>") > strlen(getline("'>")) || col("'<") > strlen(getline("'<")) )
endif
else
let ragged= 1
endif
else
let ragged= 1
endif
if ragged
let begcol= 0
endif
" call Decho("lines[".begline.",".endline."] col[".begcol.",".endcol."] ragged=".ragged." AlignCtrl<".s:AlignCtrl.">")
" Keep user options
let etkeep = &l:et
let pastekeep= &l:paste
setlocal et paste
" convert selected range of lines to use spaces instead of tabs
" but if first line's initial white spaces are to be retained
" then use 'em
if begcol <= 0 && s:AlignLeadKeep == 'I'
" retain first leading whitespace for all subsequent lines
let bgntxt= substitute(getline(begline),'^\(\s*\).\{-}$','\1','')
" call Decho("retaining 1st leading whitespace: bgntxt<".bgntxt.">")
set noet
endif
exe begline.",".endline."ret"
" Execute two passes
" First pass: collect alignment data (max field sizes)
" Second pass: perform alignment
let pass= 1
while pass <= 2
" call Decho(" ")
" call Decho("---- Pass ".pass.": ----")
let line= begline
while line <= endline
" Process each line
let txt = getline(line)
" call Decho(" ")
" call Decho("Pass".pass.": Line ".line." <".txt.">")
" AlignGPat support: allows a selector pattern (akin to g/selector/cmd )
if exists("s:AlignGPat")
" call Decho("Pass".pass.": AlignGPat<".s:AlignGPat.">")
if match(txt,s:AlignGPat) == -1
" call Decho("Pass".pass.": skipping")
let line= line + 1
continue
endif
endif
" AlignVPat support: allows a selector pattern (akin to v/selector/cmd )
if exists("s:AlignVPat")
" call Decho("Pass".pass.": AlignVPat<".s:AlignVPat.">")
if match(txt,s:AlignVPat) != -1
" call Decho("Pass".pass.": skipping")
let line= line + 1
continue
endif
endif
" Always skip blank lines
if match(txt,'^\s*$') != -1
" call Decho("Pass".pass.": skipping")
let line= line + 1
continue
endif
" Extract visual-block selected text (init bgntxt, endtxt)
if exists("g:Align_xstrlen") && g:Align_xstrlen
let txtlen= s:Strlen(txt)
else
let txtlen= strlen(txt)
endif
if begcol > 0
" Record text to left of selected area
let bgntxt= strpart(txt,0,begcol)
" call Decho("Pass".pass.": record text to left: bgntxt<".bgntxt.">")
elseif s:AlignLeadKeep == 'W'
let bgntxt= substitute(txt,'^\(\s*\).\{-}$','\1','')
" call Decho("Pass".pass.": retaining all leading ws: bgntxt<".bgntxt.">")
elseif s:AlignLeadKeep == 'w' || !exists("bgntxt")
" No beginning text
let bgntxt= ""
" call Decho("Pass".pass.": no beginning text")
endif
if ragged
let endtxt= ""
else
" Elide any text lying outside selected columnar region
let endtxt= strpart(txt,endcol+1,txtlen-endcol)
let txt = strpart(txt,begcol,endcol-begcol+1)
endif
" call Decho(" ")
" call Decho("Pass".pass.": bgntxt<".bgntxt.">")
" call Decho("Pass".pass.": txt<". txt .">")
" call Decho("Pass".pass.": endtxt<".endtxt.">")
if !exists("s:AlignPat_{1}")
echohl Error|echo "no separators specified!"|echohl None
" call Dret("Align#Align")
return
endif
" Initialize for both passes
let seppat = s:AlignPat_{1}
let ifield = 1
let ipat = 1
let bgnfield = 0
let endfield = 0
let alignstyle = s:AlignStyle
let doend = 1
let newtxt = ""
let alignprepad = s:AlignPrePad
let alignpostpad= s:AlignPostPad
let alignsep = s:AlignSep
let alignophold = " "
let alignop = "l"
" call Decho("Pass".pass.": initial alignstyle<".alignstyle."> seppat<".seppat.">")
" Process each field on the line
while doend > 0
" C-style: cycle through pattern(s)
if s:AlignCtrl == 'C' && doend == 1
let seppat = s:AlignPat_{ipat}
" call Decho("Pass".pass.": processing field: AlignCtrl=".s:AlignCtrl." ipat=".ipat." seppat<".seppat.">")
let ipat = ipat + 1
if ipat > s:AlignPatQty
let ipat = 1
endif
endif
" cyclic alignment/justification operator handling
let alignophold = alignop
let alignop = strpart(alignstyle,0,1)
if alignop == '+' || doend == 2
let alignop= alignophold
else
let alignstyle = strpart(alignstyle,1).strpart(alignstyle,0,1)
let alignopnxt = strpart(alignstyle,0,1)
if alignop == ':'
let seppat = '$'
let doend = 2
" call Decho("Pass".pass.": alignop<:> case: setting seppat<$> doend==2")
endif
endif
" cylic separator alignment specification handling
let alignsepop= strpart(alignsep,0,1)
let alignsep = strpart(alignsep,1).alignsepop
" mark end-of-field and the subsequent end-of-separator.
" Extend field if alignop is '-'
let endfield = match(txt,seppat,bgnfield)
let sepfield = matchend(txt,seppat,bgnfield)
let skipfield= sepfield
" call Decho("Pass".pass.": endfield=match(txt<".txt.">,seppat<".seppat.">,bgnfield=".bgnfield.")=".endfield)
while alignop == '-' && endfield != -1
let endfield = match(txt,seppat,skipfield)
let sepfield = matchend(txt,seppat,skipfield)
let skipfield = sepfield
let alignop = strpart(alignstyle,0,1)
let alignstyle= strpart(alignstyle,1).strpart(alignstyle,0,1)
" call Decho("Pass".pass.": extend field: endfield<".strpart(txt,bgnfield,endfield-bgnfield)."> alignop<".alignop."> alignstyle<".alignstyle.">")
endwhile
let seplen= sepfield - endfield
" call Decho("Pass".pass.": seplen=[sepfield=".sepfield."] - [endfield=".endfield."]=".seplen)
if endfield != -1
if pass == 1
" ---------------------------------------------------------------------
" Pass 1: Update FieldSize to max
" call Decho("Pass".pass.": before lead/trail remove: field<".strpart(txt,bgnfield,endfield-bgnfield).">")
let field = substitute(strpart(txt,bgnfield,endfield-bgnfield),'^\s*\(.\{-}\)\s*$','\1','')
if s:AlignLeadKeep == 'W'
let field = bgntxt.field
let bgntxt= ""
endif
if exists("g:Align_xstrlen") && g:Align_xstrlen
let fieldlen = s:Strlen(field)
else
let fieldlen = strlen(field)
endif
let sFieldSize = "FieldSize_".ifield
if !exists(sFieldSize)
let FieldSize_{ifield}= fieldlen
" call Decho("Pass".pass.": set FieldSize_{".ifield."}=".FieldSize_{ifield}." <".field.">")
elseif fieldlen > FieldSize_{ifield}
let FieldSize_{ifield}= fieldlen
" call Decho("Pass".pass.": oset FieldSize_{".ifield."}=".FieldSize_{ifield}." <".field.">")
endif
let sSepSize= "SepSize_".ifield
if !exists(sSepSize)
let SepSize_{ifield}= seplen
" call Decho(" set SepSize_{".ifield."}=".SepSize_{ifield}." <".field.">")
elseif seplen > SepSize_{ifield}
let SepSize_{ifield}= seplen
" call Decho("Pass".pass.": oset SepSize_{".ifield."}=".SepSize_{ifield}." <".field.">")
endif
else
" ---------------------------------------------------------------------
" Pass 2: Perform Alignment
let prepad = strpart(alignprepad,0,1)
let postpad = strpart(alignpostpad,0,1)
let alignprepad = strpart(alignprepad,1).strpart(alignprepad,0,1)
let alignpostpad = strpart(alignpostpad,1).strpart(alignpostpad,0,1)
let field = substitute(strpart(txt,bgnfield,endfield-bgnfield),'^\s*\(.\{-}\)\s*$','\1','')
if s:AlignLeadKeep == 'W'
let field = bgntxt.field
let bgntxt= ""
endif
if doend == 2
let prepad = 0
let postpad= 0
endif
if exists("g:Align_xstrlen") && g:Align_xstrlen
let fieldlen = s:Strlen(field)
else
let fieldlen = strlen(field)
endif
let sep = s:MakeSpace(prepad).strpart(txt,endfield,sepfield-endfield).s:MakeSpace(postpad)
if seplen < SepSize_{ifield}
if alignsepop == "<"
" left-justify separators
let sep = sep.s:MakeSpace(SepSize_{ifield}-seplen)
elseif alignsepop == ">"
" right-justify separators
let sep = s:MakeSpace(SepSize_{ifield}-seplen).sep
else
" center-justify separators
let sepleft = (SepSize_{ifield} - seplen)/2
let sepright = SepSize_{ifield} - seplen - sepleft
let sep = s:MakeSpace(sepleft).sep.s:MakeSpace(sepright)
endif
endif
let spaces = FieldSize_{ifield} - fieldlen
" call Decho("Pass".pass.": Field #".ifield."<".field."> spaces=".spaces." be[".bgnfield.",".endfield."] pad=".prepad.','.postpad." FS_".ifield."<".FieldSize_{ifield}."> sep<".sep."> ragged=".ragged." doend=".doend." alignop<".alignop.">")
" Perform alignment according to alignment style justification
if spaces > 0
if alignop == 'c'
" center the field
let spaceleft = spaces/2
let spaceright= FieldSize_{ifield} - spaceleft - fieldlen
let newtxt = newtxt.s:MakeSpace(spaceleft).field.s:MakeSpace(spaceright).sep
elseif alignop == 'r'
" right justify the field
let newtxt= newtxt.s:MakeSpace(spaces).field.sep
elseif ragged && doend == 2
" left justify rightmost field (no trailing blanks needed)
let newtxt= newtxt.field
else
" left justfiy the field
let newtxt= newtxt.field.s:MakeSpace(spaces).sep
endif
elseif ragged && doend == 2
" field at maximum field size and no trailing blanks needed
let newtxt= newtxt.field
else
" field is at maximum field size already
let newtxt= newtxt.field.sep
endif
" call Decho("Pass".pass.": newtxt<".newtxt.">")
endif " pass 1/2
" bgnfield indexes to end of separator at right of current field
" Update field counter
let bgnfield= sepfield
let ifield = ifield + 1
if doend == 2
let doend= 0
endif
" handle end-of-text as end-of-field
elseif doend == 1
let seppat = '$'
let doend = 2
else
let doend = 0
endif " endfield != -1
endwhile " doend loop (as well as regularly separated fields)
if pass == 2
" Write altered line to buffer
" call Decho("Pass".pass.": bgntxt<".bgntxt."> line=".line)
" call Decho("Pass".pass.": newtxt<".newtxt.">")
" call Decho("Pass".pass.": endtxt<".endtxt.">")
call setline(line,bgntxt.newtxt.endtxt)
endif
let line = line + 1
endwhile " line loop
let pass= pass + 1
endwhile " pass loop
" call Decho("end of two pass loop")
" Restore user options
let &l:et = etkeep
let &l:paste = pastekeep
if exists("s:DoAlignPop")
" AlignCtrl Map support
call Align#AlignPop()
unlet s:DoAlignPop
endif
" restore current search pattern
let @/ = keep_search
let &ic = keep_ic
let &report = keep_report
" call Dret("Align#Align")
return
endfun
" ---------------------------------------------------------------------
" Align#AlignPush: this command/function pushes an alignment control string onto a stack {{{1
fun! Align#AlignPush()
" call Dfunc("AlignPush()")
" initialize the stack
if !exists("s:AlignCtrlStackQty")
let s:AlignCtrlStackQty= 1
else
let s:AlignCtrlStackQty= s:AlignCtrlStackQty + 1
endif
" construct an AlignCtrlStack entry
if !exists("s:AlignSep")
let s:AlignSep= ''
endif
let s:AlignCtrlStack_{s:AlignCtrlStackQty}= s:AlignCtrl.'p'.s:AlignPrePad.'P'.s:AlignPostPad.s:AlignLeadKeep.s:AlignStyle.s:AlignSep
" call Decho("AlignPush: AlignCtrlStack_".s:AlignCtrlStackQty."<".s:AlignCtrlStack_{s:AlignCtrlStackQty}.">")
" push [GV] patterns onto their own stack
if exists("s:AlignGPat")
let s:AlignGPat_{s:AlignCtrlStackQty}= s:AlignGPat
else
let s:AlignGPat_{s:AlignCtrlStackQty}= ""
endif
if exists("s:AlignVPat")
let s:AlignVPat_{s:AlignCtrlStackQty}= s:AlignVPat
else
let s:AlignVPat_{s:AlignCtrlStackQty}= ""
endif
" call Dret("AlignPush")
endfun
" ---------------------------------------------------------------------
" Align#AlignPop: this command/function pops an alignment pattern from a stack {{{1
" and into the AlignCtrl variables.
fun! Align#AlignPop()
" call Dfunc("Align#AlignPop()")
" sanity checks
if !exists("s:AlignCtrlStackQty")
echoerr "AlignPush needs to be used prior to AlignPop"
" call Dret("Align#AlignPop <> : AlignPush needs to have been called first")
return ""
endif
if s:AlignCtrlStackQty <= 0
unlet s:AlignCtrlStackQty
echoerr "AlignPush needs to be used prior to AlignPop"
" call Dret("Align#AlignPop <> : AlignPop needs to have been called first")
return ""
endif
" pop top of AlignCtrlStack and pass value to AlignCtrl
let retval=s:AlignCtrlStack_{s:AlignCtrlStackQty}
unlet s:AlignCtrlStack_{s:AlignCtrlStackQty}
call Align#AlignCtrl(retval)
" pop G pattern stack
if s:AlignGPat_{s:AlignCtrlStackQty} != ""
call Align#AlignCtrl('g',s:AlignGPat_{s:AlignCtrlStackQty})
else
call Align#AlignCtrl('g')
endif
unlet s:AlignGPat_{s:AlignCtrlStackQty}
" pop V pattern stack
if s:AlignVPat_{s:AlignCtrlStackQty} != ""
call Align#AlignCtrl('v',s:AlignVPat_{s:AlignCtrlStackQty})
else
call Align#AlignCtrl('v')
endif
unlet s:AlignVPat_{s:AlignCtrlStackQty}
let s:AlignCtrlStackQty= s:AlignCtrlStackQty - 1
" call Dret("Align#AlignPop <".retval."> : AlignCtrlStackQty=".s:AlignCtrlStackQty)
return retval
endfun
" ---------------------------------------------------------------------
" Align#AlignReplaceQuotedSpaces: {{{1
fun! Align#AlignReplaceQuotedSpaces()
" call Dfunc("AlignReplaceQuotedSpaces()")
let l:line = getline(line("."))
if exists("g:Align_xstrlen") && g:Align_xstrlen
let l:linelen = s:Strlen(l:line)
else
let l:linelen = strlen(l:line)
endif
let l:startingPos = 0
let l:startQuotePos = 0
let l:endQuotePos = 0
let l:spacePos = 0
let l:quoteRe = '\\\@<!"'
" "call Decho("in replace spaces. line=" . line('.'))
while (1)
let l:startQuotePos = match(l:line, l:quoteRe, l:startingPos)
if (l:startQuotePos < 0)
" "call Decho("No more quotes to the end of line")
break
endif
let l:endQuotePos = match(l:line, l:quoteRe, l:startQuotePos + 1)
if (l:endQuotePos < 0)
" "call Decho("Mismatched quotes")
break
endif
let l:spaceReplaceRe = '^.\{' . (l:startQuotePos + 1) . '}.\{-}\zs\s\ze.*.\{' . (linelen - l:endQuotePos) . '}$'
" "call Decho('spaceReplaceRe="' . l:spaceReplaceRe . '"')
let l:newStr = substitute(l:line, l:spaceReplaceRe, '%', '')
while (l:newStr != l:line)
" "call Decho('newstr="' . l:newStr . '"')
let l:line = l:newStr
let l:newStr = substitute(l:line, l:spaceReplaceRe, '%', '')
endwhile
let l:startingPos = l:endQuotePos + 1
endwhile
call setline(line('.'), l:line)
" call Dret("AlignReplaceQuotedSpaces")
endfun
" ---------------------------------------------------------------------
" s:QArgSplitter: to avoid \ processing by <f-args>, <q-args> is needed. {{{1
" However, <q-args> doesn't split at all, so this function returns a list
" of arguments which has been:
" * split at whitespace
" * unless inside "..."s. One may escape characters with a backslash inside double quotes.
" along with a leading length-of-list.
"
" Examples: %Align "\"" will align on "s
" %Align " " will align on spaces
"
" The resulting list: qarglist[0] corresponds to a:0
" qarglist[i] corresponds to a:{i}
fun! s:QArgSplitter(qarg)
" call Dfunc("s:QArgSplitter(qarg<".a:qarg.">)")
if a:qarg =~ '".*"'
" handle "..." args, which may include whitespace
let qarglist = []
let args = a:qarg
" call Decho("handle quoted arguments: args<".args.">")
while args != ""
let iarg = 0
let arglen = strlen(args)
" call Decho("args[".iarg."]<".args[iarg]."> arglen=".arglen)
" find index to first not-escaped '"'
while args[iarg] != '"' && iarg < arglen
if args[iarg] == '\'
let args= strpart(args,1)
endif
let iarg= iarg + 1
endwhile
" call Decho("args<".args."> iarg=".iarg." arglen=".arglen)
if iarg > 0
" handle left of quote or remaining section
" call Decho("handle left of quote or remaining section")
if args[iarg] == '"'
let qarglist= qarglist + split(strpart(args,0,iarg-1))
else
let qarglist= qarglist + split(strpart(args,0,iarg))
endif
let args = strpart(args,iarg)
let arglen = strlen(args)
elseif iarg < arglen && args[0] == '"'
" handle "quoted" section
" call Decho("handle quoted section")
let iarg= 1
while args[iarg] != '"' && iarg < arglen
if args[iarg] == '\'
let args= strpart(args,1)
endif
let iarg= iarg + 1
endwhile
" call Decho("args<".args."> iarg=".iarg." arglen=".arglen)
if args[iarg] == '"'
call add(qarglist,strpart(args,1,iarg-1))
let args= strpart(args,iarg+1)
else
let qarglist = qarglist + split(args)
let args = ""
endif
endif
" call Decho("qarglist".string(qarglist)." iarg=".iarg." args<".args.">")
endwhile
else
" split at all whitespace
let qarglist= split(a:qarg)
endif
let qarglistlen= len(qarglist)
let qarglist = insert(qarglist,qarglistlen)
" call Dret("s:QArgSplitter ".string(qarglist))
return qarglist
endfun
" ---------------------------------------------------------------------
" s:Strlen: this function returns the length of a string, even if its {{{1
" using two-byte etc characters.
" Currently, its only used if g:Align_xstrlen is set to a
" nonzero value. Solution from Nicolai Weibull, vim docs
" (:help strlen()), Tony Mechelynck, and my own invention.
fun! s:Strlen(x)
" call Dfunc("s:Strlen(x<".a:x.">")
if g:Align_xstrlen == 1
" number of codepoints (Latin a + combining circumflex is two codepoints)
" (comment from TM, solution from NW)
let ret= strlen(substitute(a:x,'.','c','g'))
elseif g:Align_xstrlen == 2
" number of spacing codepoints (Latin a + combining circumflex is one spacing
" codepoint; a hard tab is one; wide and narrow CJK are one each; etc.)
" (comment from TM, solution from TM)
let ret=strlen(substitute(a:x, '.\Z', 'x', 'g'))
elseif g:Align_xstrlen == 3
" virtual length (counting, for instance, tabs as anything between 1 and
" 'tabstop', wide CJK as 2 rather than 1, Arabic alif as zero when immediately
" preceded by lam, one otherwise, etc.)
" (comment from TM, solution from me)
let modkeep= &l:mod
exe "norm! o\<esc>"
call setline(line("."),a:x)
let ret= virtcol("$") - 1
d
let &l:mod= modkeep
else
" at least give a decent default
ret= strlen(a:x)
endif
" call Dret("s:Strlen ".ret)
return ret
endfun
" ---------------------------------------------------------------------
" Set up default values: {{{1
"call Decho("-- Begin AlignCtrl Initialization --")
call Align#AlignCtrl("default")
"call Decho("-- End AlignCtrl Initialization --")
" ---------------------------------------------------------------------
" Restore: {{{1
let &cpo= s:keepcpo
unlet s:keepcpo
" vim: ts=4 fdm=marker
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