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557
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1 " Vim completion script
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644
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2 " Language: XML
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557
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3 " Maintainer: Mikolaj Machowski ( mikmach AT wp DOT pl )
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659
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4 " Last Change: 2006 Feb 6
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557
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5
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6 " This function will create Dictionary with users namespace strings and values
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7 " canonical (system) names of data files. Names should be lowercase,
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8 " descriptive to avoid any future conflicts. For example 'xhtml10s' should be
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9 " name for data of XHTML 1.0 Strict and 'xhtml10t' for XHTML 1.0 Transitional
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10 " User interface will be provided by XMLns command defined ...
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11 " Currently supported canonicals are:
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12 " xhtml10s - XHTML 1.0 Strict
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13 " xsl - XSL
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14 function! xmlcomplete#CreateConnection(canonical, ...)
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15
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16 " When only one argument provided treat name as default namespace (without
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17 " 'prefix:').
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18 if exists("a:1")
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19 let users = a:1
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20 else
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21 let users = 'DEFAULT'
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22 endif
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23
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24 " Source data file. Due to suspected errors in autoload do it with
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25 " :runtime.
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26 " TODO: make it properly (using autoload, that is) later
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27 exe "runtime autoload/xml/".a:canonical.".vim"
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28
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29 " Remove all traces of unexisting files to return [] when trying
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30 " omnicomplete something
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31 " TODO: give warning about non-existing canonicals - should it be?
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32 if !exists("g:xmldata_".a:canonical)
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33 unlet! g:xmldata_connection
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34 return 0
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35 endif
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36
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37 " We need to initialize Dictionary to add key-value pair
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38 if !exists("g:xmldata_connection")
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39 let g:xmldata_connection = {}
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40 endif
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41
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42 let g:xmldata_connection[users] = a:canonical
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43
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44 endfunction
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45
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46 function! xmlcomplete#CreateEntConnection(...)
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47 if a:0 > 0
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48 let g:xmldata_entconnect = a:1
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49 else
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50 let g:xmldata_entconnect = 'DEFAULT'
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51 endif
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52 endfunction
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53
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54 function! xmlcomplete#CompleteTags(findstart, base)
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55 if a:findstart
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56 " locate the start of the word
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644
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57 let curline = line('.')
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557
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58 let line = getline('.')
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59 let start = col('.') - 1
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60 let compl_begin = col('.') - 2
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61
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62 while start >= 0 && line[start - 1] =~ '\(\k\|[:.-]\)'
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63 let start -= 1
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64 endwhile
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65
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66 if start >= 0 && line[start - 1] =~ '&'
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67 let b:entitiescompl = 1
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68 let b:compl_context = ''
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69 return start
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70 endif
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71
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72 let b:compl_context = getline('.')[0:(compl_begin)]
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644
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73 if b:compl_context !~ '<[^>]*$'
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74 " Look like we may have broken tag. Check previous lines. Up to
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75 " 10?
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76 let i = 1
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77 while 1
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78 let context_line = getline(curline-i)
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79 if context_line =~ '<[^>]*$'
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80 " Yep, this is this line
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81 let context_lines = getline(curline-i, curline)
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82 let b:compl_context = join(context_lines, ' ')
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83 break
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84 elseif context_line =~ '>[^<]*$'
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85 " Normal tag line, no need for completion at all
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86 let b:compl_context = ''
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87 break
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88 endif
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89 let i += 1
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90 endwhile
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91 " Make sure we don't have counter
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92 unlet! i
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93 endif
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94 let b:compl_context = matchstr(b:compl_context, '.*\zs<.*')
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557
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95
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96 " Make sure we will have only current namespace
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97 unlet! b:xml_namespace
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644
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98 let b:xml_namespace = matchstr(b:compl_context, '^<\zs\k*\ze:')
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557
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99 if b:xml_namespace == ''
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100 let b:xml_namespace = 'DEFAULT'
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101 endif
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102
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103 return start
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104
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105 else
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106 " There is no connction of namespace and data file. Abandon action
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107 if !exists("g:xmldata_connection") || g:xmldata_connection == {}
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108 return []
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109 endif
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110 " Initialize base return lists
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111 let res = []
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112 let res2 = []
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113 " a:base is very short - we need context
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644
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114 if len(b:compl_context) == 0 && !exists("b:entitiescompl")
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115 return []
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116 endif
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117 let context = matchstr(b:compl_context, '^<\zs.*')
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557
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118 unlet! b:compl_context
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119
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120 " Make entities completion
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121 if exists("b:entitiescompl")
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122 unlet! b:entitiescompl
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123
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124 if !exists("g:xmldata_entconnect") || g:xmldata_entconnect == 'DEFAULT'
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125 let values = g:xmldata{'_'.g:xmldata_connection['DEFAULT']}['vimxmlentities']
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126 else
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127 let values = g:xmldata{'_'.g:xmldata_entconnect}['vimxmlentities']
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128 endif
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129
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130 " Get only lines with entity declarations but throw out
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131 " parameter-entities - they may be completed in future
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132 let entdecl = filter(getline(1, "$"), 'v:val =~ "<!ENTITY\\s\\+[^%]"')
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133
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134 if len(entdecl) > 0
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135 let intent = map(copy(entdecl), 'matchstr(v:val, "<!ENTITY\\s\\+\\zs\\(\\k\\|[.-:]\\)\\+\\ze")')
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136 let values = intent + values
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137 endif
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138
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644
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139 if len(a:base) == 1
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140 for m in values
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141 if m =~ '^'.a:base
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142 call add(res, m.';')
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143 endif
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144 endfor
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145 return res
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146 else
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147 for m in values
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148 if m =~? '^'.a:base
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149 call add(res, m.';')
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150 elseif m =~? a:base
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151 call add(res2, m.';')
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152 endif
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153 endfor
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557
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154
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644
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155 return res + res2
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156 endif
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557
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157
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158 endif
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159 if context =~ '>'
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160 " Generally if context contains > it means we are outside of tag and
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161 " should abandon action
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162 return []
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163 endif
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164
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165 " find tags matching with "a:base"
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166 " If a:base contains white space it is attribute.
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167 " It could be also value of attribute...
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168 " We have to get first word to offer
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169 " proper completions
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170 if context == ''
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171 let tag = ''
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172 else
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173 let tag = split(context)[0]
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174 endif
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175 " Get rid of namespace
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176 let tag = substitute(tag, '^'.b:xml_namespace.':', '', '')
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177
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178
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179 " Get last word, it should be attr name
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180 let attr = matchstr(context, '.*\s\zs.*')
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181 " Possible situations where any prediction would be difficult:
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182 " 1. Events attributes
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183 if context =~ '\s'
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184
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185 " If attr contains =\s*[\"'] we catched value of attribute
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186 if attr =~ "=\s*[\"']"
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187 " Let do attribute specific completion
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188 let attrname = matchstr(attr, '.*\ze\s*=')
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189 let entered_value = matchstr(attr, ".*=\\s*[\"']\\zs.*")
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190
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191 if tag =~ '^[?!]'
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192 " Return nothing if we are inside of ! or ? tag
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193 return []
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194 else
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195 let values = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][attrname]
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196 endif
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197
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198 if len(values) == 0
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199 return []
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200 endif
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201
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202 " We need special version of sbase
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203 let attrbase = matchstr(context, ".*[\"']")
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204 let attrquote = matchstr(attrbase, '.$')
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205
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206 for m in values
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207 " This if is needed to not offer all completions as-is
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208 " alphabetically but sort them. Those beginning with entered
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209 " part will be as first choices
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210 if m =~ '^'.entered_value
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211 call add(res, m . attrquote.' ')
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212 elseif m =~ entered_value
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213 call add(res2, m . attrquote.' ')
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214 endif
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215 endfor
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216
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217 return res + res2
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218
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219 endif
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220
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221 if tag =~ '?xml'
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222 " Two possible arguments for <?xml> plus variation
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223 let attrs = ['encoding', 'version="1.0"', 'version']
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224 elseif tag =~ '^!'
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225 " Don't make completion at all
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226 return []
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227 else
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228 let attrs = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1])
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229 endif
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230
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231 for m in sort(attrs)
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232 if m =~ '^'.attr
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233 if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m][0] =~ '^BOOL$'
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234 call add(res, m)
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235 elseif m =~ '='
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236 call add(res, m)
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237 else
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238 call add(res, m.'="')
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239 endif
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240 elseif m =~ attr
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241 if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][m][0] =~ '^BOOL$'
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242 call add(res, m)
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243 elseif m =~ '='
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244 call add(res, m)
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245 else
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246 call add(res2, m.'="')
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247 endif
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248 endif
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249 endfor
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250
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251 return res + res2
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252
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253 endif
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254 " Close tag
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255 let b:unaryTagsStack = "base meta link hr br param img area input col"
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256 if context =~ '^\/'
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257 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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258 return [opentag.">"]
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259 endif
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260
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261 " Complete elements of XML structure
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262 " TODO: #REQUIRED, #IMPLIED, #FIXED, #PCDATA - but these should be detected like
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263 " entities - in first run
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264 " keywords: CDATA, ID, IDREF, IDREFS, ENTITY, ENTITIES, NMTOKEN, NMTOKENS
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265 " are hardly recognizable but keep it in reserve
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266 " also: EMPTY ANY SYSTEM PUBLIC DATA
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267 if context =~ '^!'
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268 let tags = ['!ELEMENT', '!DOCTYPE', '!ATTLIST', '!ENTITY', '!NOTATION', '![CDATA[', '![INCLUDE[', '![IGNORE[']
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269
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270 for m in tags
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271 if m =~ '^'.context
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272 let m = substitute(m, '^!\[\?', '', '')
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273 call add(res, m)
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274 elseif m =~ context
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275 let m = substitute(m, '^!\[\?', '', '')
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276 call add(res2, m)
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277 endif
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278 endfor
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279
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280 return res + res2
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281
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282 endif
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283
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284 " Complete text declaration
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285 let g:co = context
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286 if context =~ '^?'
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287 let tags = ['?xml']
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288
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289 for m in tags
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290 if m =~ '^'.context
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291 call add(res, substitute(m, '^?', '', ''))
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292 elseif m =~ context
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293 call add(res, substitute(m, '^?', '', ''))
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294 endif
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295 endfor
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296
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297 return res + res2
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298
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299 endif
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300
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301 " Deal with tag completion.
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302 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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303 let opentag = substitute(opentag, '^\k*:', '', '')
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644
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304 if opentag == ''
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305 return []
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306 endif
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557
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307
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308 let tags = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[opentag][0]
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309 let context = substitute(context, '^\k*:', '', '')
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310
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311 if b:xml_namespace == 'DEFAULT'
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312 let b:xml_namespace = ''
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313 else
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314 let b:xml_namespace .= ':'
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315 endif
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316
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317 for m in tags
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318 if m =~ '^'.context
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319 call add(res, b:xml_namespace.m)
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320 elseif m =~ context
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321 call add(res2, b:xml_namespace.m)
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322 endif
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323 endfor
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324
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325 return res + res2
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326
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327 endif
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328 endfunction
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329
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330 " MM: This is greatly reduced closetag.vim used with kind permission of Steven
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331 " Mueller
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332 " Changes: strip all comments; delete error messages; add checking for
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333 " namespace
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334 " Author: Steven Mueller <diffusor@ugcs.caltech.edu>
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335 " Last Modified: Tue May 24 13:29:48 PDT 2005
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336 " Version: 0.9.1
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337
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338 function! xmlcomplete#GetLastOpenTag(unaryTagsStack)
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339 let linenum=line('.')
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340 let lineend=col('.') - 1 " start: cursor position
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341 let first=1 " flag for first line searched
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342 let b:TagStack='' " main stack of tags
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343 let startInComment=s:InComment()
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344
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345 if exists("b:xml_namespace")
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346 if b:xml_namespace == 'DEFAULT'
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347 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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348 else
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349 let tagpat='</\='.b:xml_namespace.':\(\k\|[.-]\)\+\|/>'
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350 endif
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351 else
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574
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352 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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557
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353 endif
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354 while (linenum>0)
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355 let line=getline(linenum)
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356 if first
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357 let line=strpart(line,0,lineend)
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358 else
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359 let lineend=strlen(line)
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360 endif
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361 let b:lineTagStack=''
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362 let mpos=0
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363 let b:TagCol=0
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364 while (mpos > -1)
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365 let mpos=matchend(line,tagpat)
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366 if mpos > -1
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367 let b:TagCol=b:TagCol+mpos
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368 let tag=matchstr(line,tagpat)
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369
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370 if exists('b:closetag_disable_synID') || startInComment==s:InCommentAt(linenum, b:TagCol)
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371 let b:TagLine=linenum
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372 call s:Push(matchstr(tag,'[^<>]\+'),'b:lineTagStack')
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373 endif
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374 let lineend=lineend-mpos
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375 let line=strpart(line,mpos,lineend)
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376 endif
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377 endwhile
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378 while (!s:EmptystackP('b:lineTagStack'))
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379 let tag=s:Pop('b:lineTagStack')
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380 if match(tag, '^/') == 0 "found end tag
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381 call s:Push(tag,'b:TagStack')
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382 elseif s:EmptystackP('b:TagStack') && !s:Instack(tag, a:unaryTagsStack) "found unclosed tag
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383 return tag
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384 else
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385 let endtag=s:Peekstack('b:TagStack')
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386 if endtag == '/'.tag || endtag == '/'
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387 call s:Pop('b:TagStack') "found a open/close tag pair
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388 elseif !s:Instack(tag, a:unaryTagsStack) "we have a mismatch error
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389 return ''
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390 endif
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391 endif
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392 endwhile
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393 let linenum=linenum-1 | let first=0
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394 endwhile
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395 return ''
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396 endfunction
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397
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398 function! s:InComment()
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659
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399 return synIDattr(synID(line('.'), col('.'), 0), 'name') =~ 'Comment\|String'
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557
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400 endfunction
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401
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402 function! s:InCommentAt(line, col)
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659
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403 return synIDattr(synID(a:line, a:col, 0), 'name') =~ 'Comment\|String'
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557
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404 endfunction
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405
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406 function! s:SetKeywords()
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407 let g:IsKeywordBak=&iskeyword
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408 let &iskeyword='33-255'
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409 endfunction
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410
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411 function! s:RestoreKeywords()
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412 let &iskeyword=g:IsKeywordBak
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413 endfunction
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414
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415 function! s:Push(el, sname)
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416 if !s:EmptystackP(a:sname)
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417 exe 'let '.a:sname."=a:el.' '.".a:sname
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418 else
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419 exe 'let '.a:sname.'=a:el'
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420 endif
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421 endfunction
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422
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423 function! s:EmptystackP(sname)
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424 exe 'let stack='.a:sname
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425 if match(stack,'^ *$') == 0
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426 return 1
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427 else
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428 return 0
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429 endif
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430 endfunction
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431
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432 function! s:Instack(el, sname)
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433 exe 'let stack='.a:sname
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434 call s:SetKeywords()
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435 let m=match(stack, '\<'.a:el.'\>')
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436 call s:RestoreKeywords()
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437 if m < 0
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438 return 0
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439 else
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440 return 1
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441 endif
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442 endfunction
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443
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444 function! s:Peekstack(sname)
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445 call s:SetKeywords()
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446 exe 'let stack='.a:sname
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447 let top=matchstr(stack, '\<.\{-1,}\>')
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448 call s:RestoreKeywords()
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449 return top
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450 endfunction
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451
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452 function! s:Pop(sname)
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453 if s:EmptystackP(a:sname)
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454 return ''
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455 endif
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456 exe 'let stack='.a:sname
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457 call s:SetKeywords()
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458 let loc=matchend(stack,'\<.\{-1,}\>')
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459 exe 'let '.a:sname.'=strpart(stack, loc+1, strlen(stack))'
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460 let top=strpart(stack, match(stack, '\<'), loc)
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461 call s:RestoreKeywords()
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462 return top
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463 endfunction
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464
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465 function! s:Clearstack(sname)
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466 exe 'let '.a:sname."=''"
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467 endfunction
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