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