" Vim support file to detect file types in scripts"" Maintainer:	Bram Moolenaar <Bram@vim.org>" Last change:	2007 Apr 29 " This file is called by an autocommand for every file that has just been" loaded into a buffer.  It checks if the type of file can be recognized by" the file contents.  The autocommand is in $VIMRUNTIME/filetype.vim.  " Only do the rest when the FileType autocommand has not been triggered yet.if did_filetype()  finishendif " Load the user defined scripts file first" Only do this when the FileType autocommand has not been triggered yetif exists("myscriptsfile") && filereadable(expand(myscriptsfile))  execute "source " . myscriptsfile  if did_filetype()    finish  endifendif " Line continuation is used here, remove 'C' from 'cpoptions'let s:cpo_save = &cposet cpo&vim let s:line1 = getline(1) if s:line1 =~ "^#!"  " A script that starts with "#!".   " Check for a line like "#!/usr/bin/env VAR=val bash".  Turn it into  " "#!/usr/bin/bash" to make matching easier.  if s:line1 =~ '^#!\s*\S*\<env\s'    let s:line1 = substitute(s:line1, '\S\+=\S\+', '', 'g')    let s:line1 = substitute(s:line1, '\<env\s\+', '', '')  endif   " Get the program name.  " Only accept spaces in PC style paths: "#!c:/program files/perl [args]".  " If the word env is used, use the first word after the space:  " "#!/usr/bin/env perl [path/args]"  " If there is no path use the first word: "#!perl [path/args]".  " Otherwise get the last word after a slash: "#!/usr/bin/perl [path/args]".  if s:line1 =~ '^#!\s*\a:[/\\]'    let s:name = substitute(s:line1, '^#!.*[/\\]\(\i\+\).*', '\1', '')  elseif s:line1 =~ '^#!.*\<env\>'    let s:name = substitute(s:line1, '^#!.*\<env\>\s\+\(\i\+\).*', '\1', '')  elseif s:line1 =~ '^#!\s*[^/\\ ]*\>\([^/\\]\|$\)'    let s:name = substitute(s:line1, '^#!\s*\([^/\\ ]*\>\).*', '\1', '')  else    let s:name = substitute(s:line1, '^#!\s*\S*[/\\]\(\i\+\).*', '\1', '')  endif   " tcl scripts may have #!/bin/sh in the first line and "exec wish" in the  " third line.  Suggested by Steven Atkinson.  if getline(3) =~ '^exec wish'    let s:name = 'wish'  endif   " Bourne-like shell scripts: bash bash2 ksh ksh93 sh  if s:name =~ '^\(bash\d*\|\|ksh\d*\|sh\)\>'    call SetFileTypeSH(s:line1)	" defined in filetype.vim     " csh scripts  elseif s:name =~ '^csh\>'    if exists("g:filetype_csh")      call SetFileTypeShell(g:filetype_csh)    else      call SetFileTypeShell("csh")    endif     " tcsh scripts  elseif s:name =~ '^tcsh\>'    call SetFileTypeShell("tcsh")     " Z shell scripts  elseif s:name =~ '^zsh\>'    set ft=zsh     " TCL scripts  elseif s:name =~ '^\(tclsh\|wish\|expectk\|itclsh\|itkwish\)\>'    set ft=tcl     " Expect scripts  elseif s:name =~ '^expect\>'    set ft=expect     " Gnuplot scripts  elseif s:name =~ '^gnuplot\>'    set ft=gnuplot     " Makefiles  elseif s:name =~ 'make\>'    set ft=make     " Lua  elseif s:name =~ 'lua'    set ft=lua     " Perl  elseif s:name =~ 'perl'    set ft=perl     " PHP  elseif s:name =~ 'php'    set ft=php     " Python  elseif s:name =~ 'python'    set ft=python     " Groovy  elseif s:name =~ '^groovy\>'    set ft=groovy     " Ruby  elseif s:name =~ 'ruby'    set ft=ruby     " BC calculator  elseif s:name =~ '^bc\>'    set ft=bc     " sed  elseif s:name =~ 'sed\>'    set ft=sed     " OCaml-scripts  elseif s:name =~ 'ocaml'    set ft=ocaml     " Awk scripts  elseif s:name =~ 'awk\>'    set ft=awk     " Website MetaLanguage  elseif s:name =~ 'wml'    set ft=wml     " Scheme scripts  elseif s:name =~ 'scheme'    set ft=scheme     " CFEngine scripts  elseif s:name =~ 'cfengine'    set ft=cfengine   endif  unlet s:name else  " File does not start with "#!".   let s:line2 = getline(2)  let s:line3 = getline(3)  let s:line4 = getline(4)  let s:line5 = getline(5)   " Bourne-like shell scripts: sh ksh bash bash2  if s:line1 =~ '^:$'    call SetFileTypeSH(s:line1)	" defined in filetype.vim     " Z shell scripts  elseif s:line1 =~ '^#compdef\>' || s:line1 =~ '^#autoload\>'    set ft=zsh   " ELM Mail files  elseif s:line1 =~ '^From [a-zA-Z][a-zA-Z_0-9\.=-]*\(@[^ ]*\)\= .*[12][09]\d\d$'    set ft=mail     " Mason  elseif s:line1 =~ '^<[%&].*>'    set ft=mason     " Vim scripts (must have '" vim' as the first line to trigger this)  elseif s:line1 =~ '^" *[vV]im$'    set ft=vim     " MOO  elseif s:line1 =~ '^\*\* LambdaMOO Database, Format Version \%([1-3]\>\)\@!\d\+ \*\*$'    set ft=moo     " Diff file:    " - "diff" in first line (context diff)    " - "Only in " in first line    " - "--- " in first line and "+++ " in second line (unified diff).    " - "*** " in first line and "--- " in second line (context diff).    " - "# It was generated by makepatch " in the second line (makepatch diff).    " - "Index: <filename>" in the first line (CVS file)    " - "=== ", line of "=", "---", "+++ " (SVK diff)    " - "=== ", "--- ", "+++ " (bzr diff, common case)    " - "=== (removed|added|renamed|modified)" (bzr diff, alternative)  elseif s:line1 =~ '^\(diff\>\|Only in \|\d\+\(,\d\+\)\=[cda]\d\+\>\|# It was generated by makepatch \|Index:\s\+\f\+\r\=$\|===== \f\+ \d\+\.\d\+ vs edited\|==== //\f\+#\d\+\)'	\ || (s:line1 =~ '^--- ' && s:line2 =~ '^+++ ')	\ || (s:line1 =~ '^\* looking for ' && s:line2 =~ '^\* comparing to ')	\ || (s:line1 =~ '^\*\*\* ' && s:line2 =~ '^--- ')	\ || (s:line1 =~ '^=== ' && ((s:line2 =~ '^=\{66\}' && s:line3 =~ '^--- ' && s:line4 =~ '^+++') || (s:line2 =~ '^--- ' && s:line3 =~ '^+++ ')))	\ || (s:line1 =~ '^=== \(removed\|added\|renamed\|modified\)')    set ft=diff     " PostScript Files (must have %!PS as the first line, like a2ps output)  elseif s:line1 =~ '^%![ \t]*PS'    set ft=postscr     " M4 scripts: Guess there is a line that starts with "dnl".  elseif s:line1 =~ '^\s*dnl\>'	\ || s:line2 =~ '^\s*dnl\>'	\ || s:line3 =~ '^\s*dnl\>'	\ || s:line4 =~ '^\s*dnl\>'	\ || s:line5 =~ '^\s*dnl\>'    set ft=m4     " AmigaDos scripts  elseif $TERM == "amiga"	\ && (s:line1 =~ "^;" || s:line1 =~ '^\.[bB][rR][aA]')    set ft=amiga     " SiCAD scripts (must have procn or procd as the first line to trigger this)  elseif s:line1 =~? '^ *proc[nd] *$'    set ft=sicad     " Purify log files start with "****  Purify"  elseif s:line1 =~ '^\*\*\*\*  Purify'    set ft=purifylog     " XML  elseif s:line1 =~ '<?\s*xml.*?>'    set ft=xml     " XHTML (e.g.: PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN")  elseif s:line1 =~ '\<DTD\s\+XHTML\s'    set ft=xhtml     " XXD output  elseif s:line1 =~ '^\x\{7}: \x\{2} \=\x\{2} \=\x\{2} \=\x\{2} '    set ft=xxd     " RCS/CVS log output  elseif s:line1 =~ '^RCS file:' || s:line2 =~ '^RCS file:'    set ft=rcslog     " CVS commit  elseif s:line2 =~ '^CVS:' || getline("$") =~ '^CVS: '    set ft=cvs     " Prescribe  elseif s:line1 =~ '^!R!'    set ft=prescribe     " Send-pr  elseif s:line1 =~ '^SEND-PR:'    set ft=sendpr     " SNNS files  elseif s:line1 =~ '^SNNS network definition file'    set ft=snnsnet  elseif s:line1 =~ '^SNNS pattern definition file'    set ft=snnspat  elseif s:line1 =~ '^SNNS result file'    set ft=snnsres     " Virata  elseif s:line1 =~ '^%.\{-}[Vv]irata'	\ || s:line2 =~ '^%.\{-}[Vv]irata'	\ || s:line3 =~ '^%.\{-}[Vv]irata'	\ || s:line4 =~ '^%.\{-}[Vv]irata'	\ || s:line5 =~ '^%.\{-}[Vv]irata'    set ft=virata     " Strace  elseif s:line1 =~ '^[0-9]* *execve('    set ft=strace     " VSE JCL  elseif s:line1 =~ '^\* $$ JOB\>' || s:line1 =~ '^// *JOB\>'    set ft=vsejcl     " TAK and SINDA  elseif s:line4 =~ 'K & K  Associates' || s:line2 =~ 'TAK 2000'    set ft=takout  elseif s:line3 =~ 'S Y S T E M S   I M P R O V E D '    set ft=sindaout  elseif getline(6) =~ 'Run Date: '    set ft=takcmp  elseif getline(9) =~ 'Node    File  1'    set ft=sindacmp     " DNS zone files  elseif s:line1.s:line2.s:line3.s:line4 =~ '^; <<>> DiG [0-9.]\+ <<>>\|BIND.*named\|$ORIGIN\|$TTL\|IN\s\+SOA'    set ft=bindzone     " BAAN  elseif s:line1 =~ '|\*\{1,80}' && s:line2 =~ 'VRC '	\ || s:line2 =~ '|\*\{1,80}' && s:line3 =~ 'VRC '    set ft=baan   " Valgrind  elseif s:line1 =~ '^==\d\+== valgrind' || s:line3 =~ '^==\d\+== Using valgrind'    set ft=valgrind   " Renderman Interface Bytestream  elseif s:line1 =~ '^##RenderMan'    set ft=rib   " Scheme scripts  elseif s:line1 =~ 'exec\s\+\S*scheme' || s:line2 =~ 'exec\s\+\S*scheme'    set ft=scheme   " CVS diff  else    let lnum = 1    while getline(lnum) =~ "^? " && lnum < line("$")      let lnum = lnum + 1    endwhile    if getline(lnum) =~ '^Index:\s\+\f\+$'      set ft=diff       " locale input files: Formal Definitions of Cultural Conventions      " filename must be like en_US, fr_FR@euro or en_US.UTF-8    elseif expand("%") =~ '\a\a_\a\a\($\|[.@]\)\|i18n$\|POSIX$\|translit_'      let lnum = 1      while lnum < 100 && lnum < line("$")	if getline(lnum) =~ '^LC_\(IDENTIFICATION\|CTYPE\|COLLATE\|MONETARY\|NUMERIC\|TIME\|MESSAGES\|PAPER\|TELEPHONE\|MEASUREMENT\|NAME\|ADDRESS\)$'	  setf fdcc	  break	endif	let lnum = lnum + 1      endwhile    endif   endif   unlet s:line2 s:line3 s:line4 s:line5 endif " Restore 'cpoptions'let &cpo = s:cpo_save unlet s:cpo_save s:line1