annotate runtime/syntax/dtd.vim @ 29193:1e9e9d89f0ee

Update runtime files Commit: https://github.com/vim/vim/commit/d592deb336523a5448779ee3d4bba80334cff1f7 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Jun 17 15:42:40 2022 +0100 Update runtime files
author Bram Moolenaar <Bram@vim.org>
date Fri, 17 Jun 2022 16:45:04 +0200
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1 " Vim syntax file
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2 " Language: DTD (Document Type Definition for XML)
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3 " Maintainer: Christian Brabandt <cb@256bit.org>
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4 " Repository: https://github.com/chrisbra/vim-xml-ftplugin
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5 " Previous Maintainer: Johannes Zellner <johannes@zellner.org>
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6 " Author: Daniel Amyot <damyot@site.uottawa.ca>
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7 " Last Changed: Sept 24, 2019
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8 " Filenames: *.dtd
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9 "
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10 " REFERENCES:
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11 " http://www.w3.org/TR/html40/
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12 " http://www.w3.org/TR/NOTE-html-970421
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13 "
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14 " TODO:
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15 " - improve synchronizing.
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16
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17 if exists("b:current_syntax")
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18 finish
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19 endif
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20 let s:dtd_cpo_save = &cpo
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21 set cpo&vim
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22
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23 if !exists("dtd_ignore_case")
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24 " I prefer having the case takes into consideration.
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25 syn case match
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26 else
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27 syn case ignore
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28 endif
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29
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30
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31 " the following line makes the opening <! and
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32 " closing > highlighted using 'dtdFunction'.
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33 "
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34 " PROVIDES: @dtdTagHook
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35 "
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36 syn region dtdTag matchgroup=dtdFunction
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37 \ start=+<!+ end=+>+ matchgroup=NONE
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38 \ contains=dtdTag,dtdTagName,dtdError,dtdComment,dtdString,dtdAttrType,dtdAttrDef,dtdEnum,dtdParamEntityInst,dtdParamEntityDecl,dtdCard,@dtdTagHook
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39
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40 if !exists("dtd_no_tag_errors")
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41 " mark everything as an error which starts with a <!
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42 " and is not overridden later. If this is annoying,
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43 " it can be switched off by setting the variable
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44 " dtd_no_tag_errors.
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45 syn region dtdError contained start=+<!+lc=2 end=+>+
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46 endif
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47
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48 " if this is a html like comment highlight also
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49 " the opening <! and the closing > as Comment.
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50 syn region dtdComment start=+<![ \t]*--+ end=+-->+ contains=dtdTodo,@Spell
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51
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52
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53 " proper DTD comment
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54 syn region dtdComment contained start=+--+ end=+--+ contains=dtdTodo,@Spell
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55
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56
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57 " Start tags (keywords). This is contained in dtdFunction.
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58 " Note that everything not contained here will be marked
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59 " as error.
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60 syn match dtdTagName contained +<!\(ATTLIST\|DOCTYPE\|ELEMENT\|ENTITY\|NOTATION\|SHORTREF\|USEMAP\|\[\)+lc=2,hs=s+2
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61
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62
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63 " wildcards and operators
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64 syn match dtdCard contained "|"
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65 syn match dtdCard contained ","
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66 " evenutally overridden by dtdEntity
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67 syn match dtdCard contained "&"
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68 syn match dtdCard contained "?"
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69 syn match dtdCard contained "\*"
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70 syn match dtdCard contained "+"
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71
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72 " ...and finally, special cases.
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73 syn match dtdCard "ANY"
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74 syn match dtdCard "EMPTY"
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75
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76 if !exists("dtd_no_param_entities")
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77
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78 " highlight parameter entity declarations
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79 " and instances. Note that the closing `;'
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80 " is optional.
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81
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82 " instances
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83 syn region dtdParamEntityInst oneline matchgroup=dtdParamEntityPunct
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84 \ start="%[-_a-zA-Z0-9.]\+"he=s+1,rs=s+1
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85 \ skip=+[-_a-zA-Z0-9.]+
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86 \ end=";\|\>"
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87 \ matchgroup=NONE contains=dtdParamEntityPunct
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88 syn match dtdParamEntityPunct contained "\."
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89
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90 " declarations
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91 " syn region dtdParamEntityDecl oneline matchgroup=dtdParamEntityDPunct start=+<!ENTITY % +lc=8 skip=+[-_a-zA-Z0-9.]+ matchgroup=NONE end="\>" contains=dtdParamEntityDPunct
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92 syn match dtdParamEntityDecl +<!ENTITY % [-_a-zA-Z0-9.]*+lc=8 contains=dtdParamEntityDPunct
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93 syn match dtdParamEntityDPunct contained "%\|\."
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94
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95 endif
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96
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97 " &entities; compare with xml
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98 syn match dtdEntity "&[^; \t]*;" contains=dtdEntityPunct
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99 syn match dtdEntityPunct contained "[&.;]"
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100
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101 " Strings are between quotes
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102 syn region dtdString start=+"+ skip=+\\\\\|\\"+ end=+"+ contains=dtdAttrDef,dtdAttrType,dtdParamEntityInst,dtdEntity,dtdCard
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103 syn region dtdString start=+'+ skip=+\\\\\|\\'+ end=+'+ contains=dtdAttrDef,dtdAttrType,dtdParamEntityInst,dtdEntity,dtdCard
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104
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105 " Enumeration of elements or data between parenthesis
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106 "
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107 " PROVIDES: @dtdEnumHook
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108 "
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109 syn region dtdEnum matchgroup=dtdType start="(" end=")" matchgroup=NONE contains=dtdEnum,dtdParamEntityInst,dtdCard,@dtdEnumHook
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110
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111 "Attribute types
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112 syn keyword dtdAttrType NMTOKEN ENTITIES NMTOKENS ID CDATA
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113 syn keyword dtdAttrType IDREF IDREFS
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114 " ENTITY has to treated special for not overriding <!ENTITY
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115 syn match dtdAttrType +[^!]\<ENTITY+
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116
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117 "Attribute Definitions
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118 syn match dtdAttrDef "#REQUIRED"
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119 syn match dtdAttrDef "#IMPLIED"
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120 syn match dtdAttrDef "#FIXED"
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121
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122 syn case match
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123 " define some common keywords to mark TODO
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124 " and important sections inside comments.
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125 syn keyword dtdTodo contained TODO FIXME XXX
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126
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127 syn sync lines=250
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128
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129 " Define the default highlighting.
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130 " Only when an item doesn't have highlighting yet
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131
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132 " The default highlighting.
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133 hi def link dtdFunction Function
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134 hi def link dtdTag Normal
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135 hi def link dtdType Type
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136 hi def link dtdAttrType dtdType
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137 hi def link dtdAttrDef dtdType
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138 hi def link dtdConstant Constant
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139 hi def link dtdString dtdConstant
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140 hi def link dtdEnum dtdConstant
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141 hi def link dtdCard dtdFunction
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142
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143 hi def link dtdEntity Statement
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144 hi def link dtdEntityPunct dtdType
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145 hi def link dtdParamEntityInst dtdConstant
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146 hi def link dtdParamEntityPunct dtdType
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147 hi def link dtdParamEntityDecl dtdType
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148 hi def link dtdParamEntityDPunct dtdComment
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149
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150 hi def link dtdComment Comment
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151 hi def link dtdTagName Statement
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152 hi def link dtdError Error
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153 hi def link dtdTodo Todo
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154
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155
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156 let &cpo = s:dtd_cpo_save
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157 unlet s:dtd_cpo_save
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158
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159 let b:current_syntax = "dtd"
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160
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161 " vim: ts=8