annotate runtime/indent/rhelp.vim @ 10677:7115ccc512be

Added tag v8.0.0228 for changeset b8c04c007d3934dd7669510e10f128d14d4afd5e
author Christian Brabandt <cb@256bit.org>
date Tue, 24 Jan 2017 16:00:06 +0100
parents da01d5da2cfa
children 4aae8146c21f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 " Vim indent file
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2 " Language: R Documentation (Help), *.Rd
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3 " Author: Jakson Alves de Aquino <jalvesaq@gmail.com>
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4 " Homepage: https://github.com/jalvesaq/R-Vim-runtime
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5 " Last Change: Tue Apr 07, 2015 04:38PM
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6
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7
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8 " Only load this indent file when no other was loaded.
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9 if exists("b:did_indent")
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10 finish
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11 endif
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12 runtime indent/r.vim
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13 let s:RIndent = function(substitute(&indentexpr, "()", "", ""))
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14 let b:did_indent = 1
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15
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16 setlocal noautoindent
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17 setlocal nocindent
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18 setlocal nosmartindent
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19 setlocal nolisp
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20 setlocal indentkeys=0{,0},:,!^F,o,O,e
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21 setlocal indentexpr=GetCorrectRHelpIndent()
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22
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23 " Only define the functions once.
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24 if exists("*GetRHelpIndent")
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25 finish
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26 endif
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27
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28 function s:SanitizeRHelpLine(line)
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29 let newline = substitute(a:line, '\\\\', "x", "g")
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30 let newline = substitute(newline, '\\{', "x", "g")
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31 let newline = substitute(newline, '\\}', "x", "g")
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32 let newline = substitute(newline, '\\%', "x", "g")
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33 let newline = substitute(newline, '%.*', "", "")
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34 let newline = substitute(newline, '\s*$', "", "")
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35 return newline
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36 endfunction
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37
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38 function GetRHelpIndent()
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39
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40 let clnum = line(".") " current line
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41 if clnum == 1
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42 return 0
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43 endif
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44 let cline = getline(clnum)
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45
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46 if cline =~ '^\s*}\s*$'
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47 let i = clnum
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48 let bb = -1
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49 while bb != 0 && i > 1
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50 let i -= 1
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51 let line = s:SanitizeRHelpLine(getline(i))
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52 let line2 = substitute(line, "{", "", "g")
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53 let openb = strlen(line) - strlen(line2)
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54 let line3 = substitute(line2, "}", "", "g")
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55 let closeb = strlen(line2) - strlen(line3)
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56 let bb += openb - closeb
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57 endwhile
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58 return indent(i)
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59 endif
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60
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61 if cline =~ '^\s*#ifdef\>' || cline =~ '^\s*#endif\>'
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62 return 0
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63 endif
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64
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65 let lnum = clnum - 1
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66 let line = getline(lnum)
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67 if line =~ '^\s*#ifdef\>' || line =~ '^\s*#endif\>'
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68 let lnum -= 1
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69 let line = getline(lnum)
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70 endif
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71 while lnum > 1 && (line =~ '^\s*$' || line =~ '^#ifdef' || line =~ '^#endif')
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72 let lnum -= 1
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73 let line = getline(lnum)
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74 endwhile
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75 if lnum == 1
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76 return 0
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77 endif
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78 let line = s:SanitizeRHelpLine(line)
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79 let line2 = substitute(line, "{", "", "g")
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80 let openb = strlen(line) - strlen(line2)
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81 let line3 = substitute(line2, "}", "", "g")
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82 let closeb = strlen(line2) - strlen(line3)
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83 let bb = openb - closeb
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84
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85 let ind = indent(lnum) + (bb * &sw)
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86
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87 if line =~ '^\s*}\s*$'
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88 let ind = indent(lnum)
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89 endif
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90
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91 if ind < 0
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92 return 0
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93 endif
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94
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95 return ind
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96 endfunction
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97
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98 function GetCorrectRHelpIndent()
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99 let lastsection = search('^\\[a-z]*{', "bncW")
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100 let secname = getline(lastsection)
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101 if secname =~ '^\\usage{' || secname =~ '^\\examples{' || secname =~ '^\\dontshow{' || secname =~ '^\\dontrun{' || secname =~ '^\\donttest{' || secname =~ '^\\testonly{' || secname =~ '^\\method{.*}{.*}('
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102 return s:RIndent()
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103 else
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104 return GetRHelpIndent()
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105 endif
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106 endfunction
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107
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108 " vim: sw=2