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1 " Vim completion script
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2 " Language: XML
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3 " Maintainer: Mikolaj Machowski ( mikmach AT wp DOT pl )
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4 " Last Change: 2006 Apr 12
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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 in ftplugin/xml.vim
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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
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47 function! xmlcomplete#CreateEntConnection(...) " {{{
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48 if a:0 > 0
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49 let g:xmldata_entconnect = a:1
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50 else
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51 let g:xmldata_entconnect = 'DEFAULT'
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52 endif
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53 endfunction
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54 " }}}
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55
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56 function! xmlcomplete#CompleteTags(findstart, base)
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57 if a:findstart
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58 " locate the start of the word
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59 let curline = line('.')
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60 let line = getline('.')
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61 let start = col('.') - 1
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62 let compl_begin = col('.') - 2
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63
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64 while start >= 0 && line[start - 1] =~ '\(\k\|[:.-]\)'
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65 let start -= 1
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66 endwhile
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67
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68 if start >= 0 && line[start - 1] =~ '&'
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69 let b:entitiescompl = 1
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70 let b:compl_context = ''
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71 return start
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72 endif
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73
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74 let b:compl_context = getline('.')[0:(compl_begin)]
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75 if b:compl_context !~ '<[^>]*$'
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76 " Look like we may have broken tag. Check previous lines. Up to
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77 " 10?
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78 let i = 1
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79 while 1
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80 let context_line = getline(curline-i)
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81 if context_line =~ '<[^>]*$'
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82 " Yep, this is this line
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83 let context_lines = getline(curline-i, curline)
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84 let b:compl_context = join(context_lines, ' ')
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85 break
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785
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86 elseif context_line =~ '>[^<]*$' || i == curline
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87 " Normal tag line, no need for completion at all
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88 " OR reached first line without tag at all
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89 let b:compl_context = ''
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90 break
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91 endif
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92 let i += 1
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93 endwhile
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94 " Make sure we don't have counter
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95 unlet! i
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96 endif
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97 let b:compl_context = matchstr(b:compl_context, '.*\zs<.*')
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98
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99 " Make sure we will have only current namespace
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100 unlet! b:xml_namespace
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101 let b:xml_namespace = matchstr(b:compl_context, '^<\zs\k*\ze:')
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102 if b:xml_namespace == ''
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103 let b:xml_namespace = 'DEFAULT'
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104 endif
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105
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106 return start
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107
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108 else
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109 " There is no connection of namespace and data file. Abandon action
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110 if !exists("g:xmldata_connection") || g:xmldata_connection == {}
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111 return []
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112 endif
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113 " Initialize base return lists
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114 let res = []
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115 let res2 = []
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116 " a:base is very short - we need context
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117 if len(b:compl_context) == 0 && !exists("b:entitiescompl")
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118 return []
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119 endif
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120 let context = matchstr(b:compl_context, '^<\zs.*')
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121 unlet! b:compl_context
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122
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123 " Make entities completion
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124 if exists("b:entitiescompl")
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125 unlet! b:entitiescompl
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126
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127 if !exists("g:xmldata_entconnect") || g:xmldata_entconnect == 'DEFAULT'
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128 let values = g:xmldata{'_'.g:xmldata_connection['DEFAULT']}['vimxmlentities']
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129 else
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130 let values = g:xmldata{'_'.g:xmldata_entconnect}['vimxmlentities']
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131 endif
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132
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133 " Get only lines with entity declarations but throw out
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134 " parameter-entities - they may be completed in future
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135 let entdecl = filter(getline(1, "$"), 'v:val =~ "<!ENTITY\\s\\+[^%]"')
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136
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137 if len(entdecl) > 0
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138 let intent = map(copy(entdecl), 'matchstr(v:val, "<!ENTITY\\s\\+\\zs\\(\\k\\|[.-:]\\)\\+\\ze")')
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139 let values = intent + values
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140 endif
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141
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142 if len(a:base) == 1
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143 for m in values
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144 if m =~ '^'.a:base
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145 call add(res, m.';')
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146 endif
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147 endfor
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148 return res
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149 else
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150 for m in values
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151 if m =~? '^'.a:base
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152 call add(res, m.';')
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153 elseif m =~? a:base
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154 call add(res2, m.';')
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155 endif
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156 endfor
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157
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158 return res + res2
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159 endif
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160
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161 endif
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162 if context =~ '>'
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163 " Generally if context contains > it means we are outside of tag and
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164 " should abandon action
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165 return []
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166 endif
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167
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168 " find tags matching with "a:base"
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169 " If a:base contains white space it is attribute.
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170 " It could be also value of attribute...
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171 " We have to get first word to offer
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172 " proper completions
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173 if context == ''
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174 let tag = ''
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175 else
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176 let tag = split(context)[0]
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177 endif
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178 " Get rid of namespace
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179 let tag = substitute(tag, '^'.b:xml_namespace.':', '', '')
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180
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181
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182 " Get last word, it should be attr name
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183 let attr = matchstr(context, '.*\s\zs.*')
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184 " Possible situations where any prediction would be difficult:
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185 " 1. Events attributes
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186 if context =~ '\s'
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187
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188 " If attr contains =\s*[\"'] we catched value of attribute
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189 if attr =~ "=\s*[\"']"
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190 " Let do attribute specific completion
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191 let attrname = matchstr(attr, '.*\ze\s*=')
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192 let entered_value = matchstr(attr, ".*=\\s*[\"']\\zs.*")
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193
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194 if tag =~ '^[?!]'
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195 " Return nothing if we are inside of ! or ? tag
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196 return []
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197 else
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198 let values = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][attrname]
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199 endif
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200
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201 if len(values) == 0
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202 return []
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203 endif
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204
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205 " We need special version of sbase
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206 let attrbase = matchstr(context, ".*[\"']")
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207 let attrquote = matchstr(attrbase, '.$')
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208
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209 for m in values
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210 " This if is needed to not offer all completions as-is
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211 " alphabetically but sort them. Those beginning with entered
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212 " part will be as first choices
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213 if m =~ '^'.entered_value
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214 call add(res, m . attrquote.' ')
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215 elseif m =~ entered_value
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216 call add(res2, m . attrquote.' ')
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217 endif
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218 endfor
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219
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220 return res + res2
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221
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222 endif
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223
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224 if tag =~ '?xml'
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225 " Two possible arguments for <?xml> plus variation
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226 let attrs = ['encoding', 'version="1.0"', 'version']
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227 elseif tag =~ '^!'
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228 " Don't make completion at all
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229 "
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230 return []
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231 else
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232 if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, tag)
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233 " Abandon when data file isn't complete
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234 return []
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235 endif
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236 let attrs = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1])
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237 endif
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238
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239 for m in sort(attrs)
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240 if m =~ '^'.attr
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241 call add(res, m)
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242 elseif m =~ attr
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243 call add(res2, m)
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244 endif
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245 endfor
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246 let menu = res + res2
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247 let final_menu = []
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248 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmlattrinfo')
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249 for i in range(len(menu))
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250 let item = menu[i]
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251 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'], item)
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252 let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][0]
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253 let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][1]
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254 else
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255 let m_menu = ''
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256 let m_info = ''
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257 endif
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258 if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item][0] =~ '^\(BOOL\|'.item.'\)$'
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259 let item = item
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260 else
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261 let item .= '="'
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262 endif
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263 let final_menu += [{'word':item, 'menu':m_menu, 'info':m_info}]
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264 endfor
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265 else
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266 for i in range(len(menu))
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267 let item = menu[i]
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268 if tag !~ '^[?!]' && len(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item]) > 0 && g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][item][0] =~ '^\(BOOL\|'.item.'\)$'
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269 let item = item
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270 else
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271 let item .= '="'
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272 endif
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273 let final_menu += [item]
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274 endfor
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275 endif
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276 return final_menu
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277
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278 endif
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279 " Close tag
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280 let b:unaryTagsStack = "base meta link hr br param img area input col"
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281 if context =~ '^\/'
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282 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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283 return [opentag.">"]
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284 endif
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285
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286 " Complete elements of XML structure
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287 " TODO: #REQUIRED, #IMPLIED, #FIXED, #PCDATA - but these should be detected like
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288 " entities - in first run
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289 " keywords: CDATA, ID, IDREF, IDREFS, ENTITY, ENTITIES, NMTOKEN, NMTOKENS
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290 " are hardly recognizable but keep it in reserve
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291 " also: EMPTY ANY SYSTEM PUBLIC DATA
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292 if context =~ '^!'
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293 let tags = ['!ELEMENT', '!DOCTYPE', '!ATTLIST', '!ENTITY', '!NOTATION', '![CDATA[', '![INCLUDE[', '![IGNORE[']
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294
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295 for m in tags
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296 if m =~ '^'.context
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297 let m = substitute(m, '^!\[\?', '', '')
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298 call add(res, m)
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299 elseif m =~ context
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300 let m = substitute(m, '^!\[\?', '', '')
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301 call add(res2, m)
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302 endif
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303 endfor
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304
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305 return res + res2
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306
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307 endif
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308
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309 " Complete text declaration
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310 if context =~ '^?'
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311 let tags = ['?xml']
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312
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313 for m in tags
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314 if m =~ '^'.context
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315 call add(res, substitute(m, '^?', '', ''))
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316 elseif m =~ context
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317 call add(res, substitute(m, '^?', '', ''))
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318 endif
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319 endfor
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320
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321 return res + res2
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322
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323 endif
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324
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325 " Deal with tag completion.
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326 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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327 let opentag = substitute(opentag, '^\k*:', '', '')
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328 if opentag == ''
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329 "return []
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330 let tags = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]})
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331 call filter(tags, 'v:val !~ "^vimxml"')
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332 else
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333 if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, opentag)
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334 " Abandon when data file isn't complete
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335 return []
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336 endif
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337 let tags = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[opentag][0]
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338 endif
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339
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340 let context = substitute(context, '^\k*:', '', '')
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341
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342 for m in tags
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343 if m =~ '^'.context
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344 call add(res, m)
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345 elseif m =~ context
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346 call add(res2, m)
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347 endif
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348 endfor
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667
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349 let menu = res + res2
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350 if b:xml_namespace == 'DEFAULT'
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351 let xml_namespace = ''
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352 else
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353 let xml_namespace = b:xml_namespace.':'
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354 endif
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667
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355 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmltaginfo')
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356 let final_menu = []
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357 for i in range(len(menu))
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358 let item = menu[i]
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359 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'], item)
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360 let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][0]
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361 let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][1]
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362 else
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363 let m_menu = ''
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364 let m_info = ''
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365 endif
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366 let final_menu += [{'word':xml_namespace.item, 'menu':m_menu, 'info':m_info}]
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367 endfor
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368 else
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369 let final_menu = map(menu, 'xml_namespace.v:val')
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667
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370 endif
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371
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667
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372 return final_menu
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373
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374 endif
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375 endfunction
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376
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377 " MM: This is severely reduced closetag.vim used with kind permission of Steven
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378 " Mueller
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379 " Changes: strip all comments; delete error messages; add checking for
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380 " namespace
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381 " Author: Steven Mueller <diffusor@ugcs.caltech.edu>
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382 " Last Modified: Tue May 24 13:29:48 PDT 2005
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383 " Version: 0.9.1
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384
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385 function! xmlcomplete#GetLastOpenTag(unaryTagsStack)
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386 let linenum=line('.')
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387 let lineend=col('.') - 1 " start: cursor position
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388 let first=1 " flag for first line searched
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389 let b:TagStack='' " main stack of tags
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390 let startInComment=s:InComment()
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391
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392 if exists("b:xml_namespace")
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393 if b:xml_namespace == 'DEFAULT'
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394 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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395 else
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396 let tagpat='</\='.b:xml_namespace.':\(\k\|[.-]\)\+\|/>'
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397 endif
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398 else
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399 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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400 endif
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401 while (linenum>0)
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402 let line=getline(linenum)
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403 if first
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404 let line=strpart(line,0,lineend)
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405 else
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406 let lineend=strlen(line)
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407 endif
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408 let b:lineTagStack=''
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409 let mpos=0
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410 let b:TagCol=0
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411 while (mpos > -1)
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412 let mpos=matchend(line,tagpat)
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413 if mpos > -1
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414 let b:TagCol=b:TagCol+mpos
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415 let tag=matchstr(line,tagpat)
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416
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417 if exists('b:closetag_disable_synID') || startInComment==s:InCommentAt(linenum, b:TagCol)
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418 let b:TagLine=linenum
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419 call s:Push(matchstr(tag,'[^<>]\+'),'b:lineTagStack')
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420 endif
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421 let lineend=lineend-mpos
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422 let line=strpart(line,mpos,lineend)
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423 endif
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424 endwhile
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425 while (!s:EmptystackP('b:lineTagStack'))
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426 let tag=s:Pop('b:lineTagStack')
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427 if match(tag, '^/') == 0 "found end tag
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428 call s:Push(tag,'b:TagStack')
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429 elseif s:EmptystackP('b:TagStack') && !s:Instack(tag, a:unaryTagsStack) "found unclosed tag
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430 return tag
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431 else
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432 let endtag=s:Peekstack('b:TagStack')
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433 if endtag == '/'.tag || endtag == '/'
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434 call s:Pop('b:TagStack') "found a open/close tag pair
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435 elseif !s:Instack(tag, a:unaryTagsStack) "we have a mismatch error
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436 return ''
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437 endif
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438 endif
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439 endwhile
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440 let linenum=linenum-1 | let first=0
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441 endwhile
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442 return ''
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443 endfunction
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444
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445 function! s:InComment()
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659
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446 return synIDattr(synID(line('.'), col('.'), 0), 'name') =~ 'Comment\|String'
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557
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447 endfunction
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448
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449 function! s:InCommentAt(line, col)
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659
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450 return synIDattr(synID(a:line, a:col, 0), 'name') =~ 'Comment\|String'
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557
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451 endfunction
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452
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453 function! s:SetKeywords()
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454 let g:IsKeywordBak=&iskeyword
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455 let &iskeyword='33-255'
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456 endfunction
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457
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458 function! s:RestoreKeywords()
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459 let &iskeyword=g:IsKeywordBak
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460 endfunction
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461
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462 function! s:Push(el, sname)
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463 if !s:EmptystackP(a:sname)
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464 exe 'let '.a:sname."=a:el.' '.".a:sname
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465 else
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466 exe 'let '.a:sname.'=a:el'
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467 endif
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468 endfunction
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469
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470 function! s:EmptystackP(sname)
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471 exe 'let stack='.a:sname
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472 if match(stack,'^ *$') == 0
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473 return 1
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474 else
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475 return 0
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476 endif
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477 endfunction
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478
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479 function! s:Instack(el, sname)
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480 exe 'let stack='.a:sname
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481 call s:SetKeywords()
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482 let m=match(stack, '\<'.a:el.'\>')
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483 call s:RestoreKeywords()
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484 if m < 0
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485 return 0
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486 else
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487 return 1
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488 endif
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489 endfunction
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490
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491 function! s:Peekstack(sname)
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492 call s:SetKeywords()
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493 exe 'let stack='.a:sname
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494 let top=matchstr(stack, '\<.\{-1,}\>')
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495 call s:RestoreKeywords()
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496 return top
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497 endfunction
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498
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499 function! s:Pop(sname)
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500 if s:EmptystackP(a:sname)
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501 return ''
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502 endif
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503 exe 'let stack='.a:sname
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504 call s:SetKeywords()
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505 let loc=matchend(stack,'\<.\{-1,}\>')
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506 exe 'let '.a:sname.'=strpart(stack, loc+1, strlen(stack))'
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507 let top=strpart(stack, match(stack, '\<'), loc)
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508 call s:RestoreKeywords()
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509 return top
|
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510 endfunction
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511
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512 function! s:Clearstack(sname)
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513 exe 'let '.a:sname."=''"
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514 endfunction
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827
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515 " vim:set foldmethod=marker:
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