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7
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1 " Vim syntax file
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2 " Language: X Pixmap
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3 " Maintainer: Ronald Schild <rs@scutum.de>
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4 " Last Change: 2001 May 09
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5 " Version: 5.4n.1
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6
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7 " For version 5.x: Clear all syntax items
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8 " For version 6.x: Quit when a syntax file was already loaded
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9 if version < 600
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10 syntax clear
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11 elseif exists("b:current_syntax")
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12 finish
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13 endif
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14
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15 syn keyword xpmType char
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16 syn keyword xpmStorageClass static
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17 syn keyword xpmTodo TODO FIXME XXX contained
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18 syn region xpmComment start="/\*" end="\*/" contains=xpmTodo
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19 syn region xpmPixelString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=@xpmColors
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20
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21 if has("gui_running")
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22
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23 let color = ""
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24 let chars = ""
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25 let colors = 0
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26 let cpp = 0
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27 let n = 0
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28 let i = 1
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29
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30 while i <= line("$") " scanning all lines
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31
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32 let s = matchstr(getline(i), '".\{-1,}"')
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33 if s != "" " does line contain a string?
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34
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35 if n == 0 " first string is the Values string
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36
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37 " get the 3rd value: colors = number of colors
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38 let colors = substitute(s, '"\s*\d\+\s\+\d\+\s\+\(\d\+\).*"', '\1', '')
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39 " get the 4th value: cpp = number of character per pixel
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40 let cpp = substitute(s, '"\s*\d\+\s\+\d\+\s\+\d\+\s\+\(\d\+\).*"', '\1', '')
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41
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42 " highlight the Values string as normal string (no pixel string)
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43 exe 'syn match xpmValues /'.s.'/'
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44 hi link xpmValues String
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45
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46 let n = 1 " n = color index
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47
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48 elseif n <= colors " string is a color specification
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49
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50 " get chars = <cpp> length string representing the pixels
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51 " (first incl. the following whitespace)
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52 let chars = substitute(s, '"\(.\{'.cpp.'}\s\).*"', '\1', '')
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53
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54 " now get color, first try 'c' key if any (color visual)
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55 let color = substitute(s, '".*\sc\s\+\(.\{-}\)\s*\(\(g4\=\|[ms]\)\s.*\)*\s*"', '\1', '')
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56 if color == s
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57 " no 'c' key, try 'g' key (grayscale with more than 4 levels)
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58 let color = substitute(s, '".*\sg\s\+\(.\{-}\)\s*\(\(g4\|[ms]\)\s.*\)*\s*"', '\1', '')
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59 if color == s
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60 " next try: 'g4' key (4-level grayscale)
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61 let color = substitute(s, '".*\sg4\s\+\(.\{-}\)\s*\([ms]\s.*\)*\s*"', '\1', '')
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62 if color == s
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63 " finally try 'm' key (mono visual)
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64 let color = substitute(s, '".*\sm\s\+\(.\{-}\)\s*\(s\s.*\)*\s*"', '\1', '')
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65 if color == s
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66 let color = ""
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67 endif
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68 endif
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69 endif
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70 endif
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71
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72 " Vim cannot handle RGB codes with more than 6 hex digits
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73 if color =~ '#\x\{10,}$'
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74 let color = substitute(color, '\(\x\x\)\x\x', '\1', 'g')
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75 elseif color =~ '#\x\{7,}$'
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76 let color = substitute(color, '\(\x\x\)\x', '\1', 'g')
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77 " nor with 3 digits
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78 elseif color =~ '#\x\{3}$'
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79 let color = substitute(color, '\(\x\)\(\x\)\(\x\)', '0\10\20\3', '')
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80 endif
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81
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82 " escape meta characters in patterns
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83 let s = escape(s, '/\*^$.~[]')
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84 let chars = escape(chars, '/\*^$.~[]')
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85
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86 " now create syntax items
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87 " highlight the color string as normal string (no pixel string)
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88 exe 'syn match xpmCol'.n.'Def /'.s.'/ contains=xpmCol'.n.'inDef'
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89 exe 'hi link xpmCol'.n.'Def String'
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90
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91 " but highlight the first whitespace after chars in its color
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92 exe 'syn match xpmCol'.n.'inDef /"'.chars.'/hs=s+'.(cpp+1).' contained'
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93 exe 'hi link xpmCol'.n.'inDef xpmColor'.n
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94
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95 " remove the following whitespace from chars
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96 let chars = substitute(chars, '.$', '', '')
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97
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98 " and create the syntax item contained in the pixel strings
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99 exe 'syn match xpmColor'.n.' /'.chars.'/ contained'
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100 exe 'syn cluster xpmColors add=xpmColor'.n
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101
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102 " if no color or color = "None" show background
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103 if color == "" || substitute(color, '.*', '\L&', '') == 'none'
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104 exe 'hi xpmColor'.n.' guifg=bg'
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105 exe 'hi xpmColor'.n.' guibg=NONE'
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106 else
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107 exe 'hi xpmColor'.n." guifg='".color."'"
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108 exe 'hi xpmColor'.n." guibg='".color."'"
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109 endif
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110 let n = n + 1
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111 else
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112 break " no more color string
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113 endif
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114 endif
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115 let i = i + 1
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116 endwhile
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117
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118 unlet color chars colors cpp n i s
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119
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120 endif " has("gui_running")
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121
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122 " Define the default highlighting.
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123 " For version 5.7 and earlier: only when not done already
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124 " For version 5.8 and later: only when an item doesn't have highlighting yet
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125 if version >= 508 || !exists("did_xpm_syntax_inits")
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126 if version < 508
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127 let did_xpm_syntax_inits = 1
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128 command -nargs=+ HiLink hi link <args>
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129 else
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130 command -nargs=+ HiLink hi def link <args>
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131 endif
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132
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133 HiLink xpmType Type
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134 HiLink xpmStorageClass StorageClass
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135 HiLink xpmTodo Todo
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136 HiLink xpmComment Comment
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137 HiLink xpmPixelString String
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138
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139 delcommand HiLink
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140 endif
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141
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142 let b:current_syntax = "xpm"
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143
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144 " vim: ts=8:sw=3:noet:
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