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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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1121
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4 " Last Change: 2006 Jul 18
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5 " Version: 1.8
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6 "
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7 " Changelog:
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8 " 1.8 - 2006 Jul 18
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9 " - allow for closing of xml tags even when data file isn't available
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557
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10
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11 " This function will create Dictionary with users namespace strings and values
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12 " canonical (system) names of data files. Names should be lowercase,
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13 " descriptive to avoid any future conflicts. For example 'xhtml10s' should be
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14 " name for data of XHTML 1.0 Strict and 'xhtml10t' for XHTML 1.0 Transitional
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819
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15 " User interface will be provided by XMLns command defined in ftplugin/xml.vim
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557
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16 " Currently supported canonicals are:
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17 " xhtml10s - XHTML 1.0 Strict
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18 " xsl - XSL
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827
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19 function! xmlcomplete#CreateConnection(canonical, ...) " {{{
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20
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21 " When only one argument provided treat name as default namespace (without
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22 " 'prefix:').
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23 if exists("a:1")
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24 let users = a:1
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25 else
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26 let users = 'DEFAULT'
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27 endif
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28
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29 " Source data file. Due to suspected errors in autoload do it with
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856
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30 " :runtime.
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557
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31 " TODO: make it properly (using autoload, that is) later
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32 exe "runtime autoload/xml/".a:canonical.".vim"
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33
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34 " Remove all traces of unexisting files to return [] when trying
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35 " omnicomplete something
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36 " TODO: give warning about non-existing canonicals - should it be?
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37 if !exists("g:xmldata_".a:canonical)
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38 unlet! g:xmldata_connection
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39 return 0
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40 endif
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41
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42 " We need to initialize Dictionary to add key-value pair
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43 if !exists("g:xmldata_connection")
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44 let g:xmldata_connection = {}
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45 endif
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46
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47 let g:xmldata_connection[users] = a:canonical
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48
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49 endfunction
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827
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50 " }}}
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557
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51
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827
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52 function! xmlcomplete#CreateEntConnection(...) " {{{
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557
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53 if a:0 > 0
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54 let g:xmldata_entconnect = a:1
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55 else
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56 let g:xmldata_entconnect = 'DEFAULT'
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57 endif
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58 endfunction
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827
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59 " }}}
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557
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60
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61 function! xmlcomplete#CompleteTags(findstart, base)
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62 if a:findstart
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63 " locate the start of the word
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644
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64 let curline = line('.')
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557
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65 let line = getline('.')
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66 let start = col('.') - 1
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67 let compl_begin = col('.') - 2
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68
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69 while start >= 0 && line[start - 1] =~ '\(\k\|[:.-]\)'
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70 let start -= 1
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71 endwhile
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72
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73 if start >= 0 && line[start - 1] =~ '&'
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74 let b:entitiescompl = 1
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75 let b:compl_context = ''
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76 return start
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77 endif
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78
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79 let b:compl_context = getline('.')[0:(compl_begin)]
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644
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80 if b:compl_context !~ '<[^>]*$'
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81 " Look like we may have broken tag. Check previous lines. Up to
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82 " 10?
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83 let i = 1
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84 while 1
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85 let context_line = getline(curline-i)
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86 if context_line =~ '<[^>]*$'
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87 " Yep, this is this line
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1121
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88 let context_lines = getline(curline-i, curline-1) + [b:compl_context]
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644
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89 let b:compl_context = join(context_lines, ' ')
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90 break
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785
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91 elseif context_line =~ '>[^<]*$' || i == curline
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644
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92 " Normal tag line, no need for completion at all
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785
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93 " OR reached first line without tag at all
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644
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94 let b:compl_context = ''
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95 break
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96 endif
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97 let i += 1
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98 endwhile
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99 " Make sure we don't have counter
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100 unlet! i
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101 endif
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102 let b:compl_context = matchstr(b:compl_context, '.*\zs<.*')
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557
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103
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104 " Make sure we will have only current namespace
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105 unlet! b:xml_namespace
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644
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106 let b:xml_namespace = matchstr(b:compl_context, '^<\zs\k*\ze:')
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557
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107 if b:xml_namespace == ''
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108 let b:xml_namespace = 'DEFAULT'
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109 endif
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110
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111 return start
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112
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113 else
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114 " Initialize base return lists
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115 let res = []
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116 let res2 = []
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117 " a:base is very short - we need context
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644
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118 if len(b:compl_context) == 0 && !exists("b:entitiescompl")
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119 return []
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120 endif
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121 let context = matchstr(b:compl_context, '^<\zs.*')
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557
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122 unlet! b:compl_context
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123 " There is no connection of namespace and data file.
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124 if !exists("g:xmldata_connection") || g:xmldata_connection == {}
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125 " There is still possibility we may do something - eg. close tag
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126 let b:unaryTagsStack = "base meta link hr br param img area input col"
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127 if context =~ '^\/'
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128 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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129 return [opentag.">"]
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130 else
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131 return []
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132 endif
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133 endif
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557
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134
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135 " Make entities completion
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136 if exists("b:entitiescompl")
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137 unlet! b:entitiescompl
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138
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139 if !exists("g:xmldata_entconnect") || g:xmldata_entconnect == 'DEFAULT'
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140 let values = g:xmldata{'_'.g:xmldata_connection['DEFAULT']}['vimxmlentities']
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141 else
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142 let values = g:xmldata{'_'.g:xmldata_entconnect}['vimxmlentities']
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143 endif
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144
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145 " Get only lines with entity declarations but throw out
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146 " parameter-entities - they may be completed in future
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147 let entdecl = filter(getline(1, "$"), 'v:val =~ "<!ENTITY\\s\\+[^%]"')
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148
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149 if len(entdecl) > 0
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150 let intent = map(copy(entdecl), 'matchstr(v:val, "<!ENTITY\\s\\+\\zs\\(\\k\\|[.-:]\\)\\+\\ze")')
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151 let values = intent + values
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152 endif
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153
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644
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154 if len(a:base) == 1
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155 for m in values
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156 if m =~ '^'.a:base
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157 call add(res, m.';')
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158 endif
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159 endfor
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160 return res
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161 else
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162 for m in values
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163 if m =~? '^'.a:base
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164 call add(res, m.';')
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165 elseif m =~? a:base
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166 call add(res2, m.';')
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167 endif
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168 endfor
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557
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169
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644
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170 return res + res2
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171 endif
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557
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172
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173 endif
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174 if context =~ '>'
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175 " Generally if context contains > it means we are outside of tag and
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176 " should abandon action
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177 return []
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178 endif
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179
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180 " find tags matching with "a:base"
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856
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181 " If a:base contains white space it is attribute.
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557
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182 " It could be also value of attribute...
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183 " We have to get first word to offer
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184 " proper completions
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185 if context == ''
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186 let tag = ''
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187 else
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188 let tag = split(context)[0]
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189 endif
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190 " Get rid of namespace
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191 let tag = substitute(tag, '^'.b:xml_namespace.':', '', '')
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192
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193
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194 " Get last word, it should be attr name
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195 let attr = matchstr(context, '.*\s\zs.*')
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196 " Possible situations where any prediction would be difficult:
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197 " 1. Events attributes
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198 if context =~ '\s'
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199
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200 " If attr contains =\s*[\"'] we catched value of attribute
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837
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201 if attr =~ "=\s*[\"']" || attr =~ "=\s*$"
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557
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202 " Let do attribute specific completion
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203 let attrname = matchstr(attr, '.*\ze\s*=')
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837
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204 let entered_value = matchstr(attr, ".*=\\s*[\"']\\?\\zs.*")
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557
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205
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206 if tag =~ '^[?!]'
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207 " Return nothing if we are inside of ! or ? tag
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208 return []
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209 else
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837
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210 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, tag) && has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1], attrname)
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211 let values = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][attrname]
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212 else
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213 return []
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214 endif
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557
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215 endif
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216
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217 if len(values) == 0
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218 return []
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219 endif
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220
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221 " We need special version of sbase
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222 let attrbase = matchstr(context, ".*[\"']")
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223 let attrquote = matchstr(attrbase, '.$')
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837
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224 if attrquote !~ "['\"]"
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225 let attrquoteopen = '"'
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226 let attrquote = '"'
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227 else
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228 let attrquoteopen = ''
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229 endif
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557
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230
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231 for m in values
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232 " This if is needed to not offer all completions as-is
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233 " alphabetically but sort them. Those beginning with entered
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234 " part will be as first choices
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235 if m =~ '^'.entered_value
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837
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236 call add(res, attrquoteopen . m . attrquote.' ')
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557
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237 elseif m =~ entered_value
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837
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238 call add(res2, attrquoteopen . m . attrquote.' ')
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557
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239 endif
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240 endfor
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241
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242 return res + res2
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243
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244 endif
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245
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246 if tag =~ '?xml'
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247 " Two possible arguments for <?xml> plus variation
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248 let attrs = ['encoding', 'version="1.0"', 'version']
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249 elseif tag =~ '^!'
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250 " Don't make completion at all
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819
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251 "
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557
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252 return []
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253 else
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819
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254 if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, tag)
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255 " Abandon when data file isn't complete
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256 return []
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257 endif
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557
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258 let attrs = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1])
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259 endif
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260
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261 for m in sort(attrs)
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262 if m =~ '^'.attr
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667
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263 call add(res, m)
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557
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264 elseif m =~ attr
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667
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265 call add(res2, m)
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557
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266 endif
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267 endfor
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667
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268 let menu = res + res2
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269 let final_menu = []
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270 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmlattrinfo')
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271 for i in range(len(menu))
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272 let item = menu[i]
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273 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'], item)
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274 let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][0]
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275 let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][1]
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276 else
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277 let m_menu = ''
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278 let m_info = ''
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279 endif
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280 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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281 let item = item
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282 else
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283 let item .= '="'
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284 endif
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285 let final_menu += [{'word':item, 'menu':m_menu, 'info':m_info}]
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286 endfor
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287 else
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288 for i in range(len(menu))
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289 let item = menu[i]
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290 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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291 let item = item
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292 else
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293 let item .= '="'
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294 endif
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295 let final_menu += [item]
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296 endfor
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297 endif
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298 return final_menu
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557
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299
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300 endif
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301 " Close tag
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302 let b:unaryTagsStack = "base meta link hr br param img area input col"
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303 if context =~ '^\/'
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304 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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305 return [opentag.">"]
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306 endif
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307
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308 " Complete elements of XML structure
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309 " TODO: #REQUIRED, #IMPLIED, #FIXED, #PCDATA - but these should be detected like
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310 " entities - in first run
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311 " keywords: CDATA, ID, IDREF, IDREFS, ENTITY, ENTITIES, NMTOKEN, NMTOKENS
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312 " are hardly recognizable but keep it in reserve
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313 " also: EMPTY ANY SYSTEM PUBLIC DATA
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314 if context =~ '^!'
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315 let tags = ['!ELEMENT', '!DOCTYPE', '!ATTLIST', '!ENTITY', '!NOTATION', '![CDATA[', '![INCLUDE[', '![IGNORE[']
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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 let m = substitute(m, '^!\[\?', '', '')
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320 call add(res, m)
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321 elseif m =~ context
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322 let m = substitute(m, '^!\[\?', '', '')
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323 call add(res2, m)
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324 endif
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325 endfor
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326
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327 return res + res2
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328
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329 endif
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330
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331 " Complete text declaration
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332 if context =~ '^?'
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333 let tags = ['?xml']
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334
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335 for m in tags
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336 if m =~ '^'.context
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337 call add(res, substitute(m, '^?', '', ''))
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338 elseif m =~ context
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339 call add(res, substitute(m, '^?', '', ''))
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340 endif
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341 endfor
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342
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343 return res + res2
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344
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345 endif
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346
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347 " Deal with tag completion.
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348 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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349 let opentag = substitute(opentag, '^\k*:', '', '')
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644
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350 if opentag == ''
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674
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351 "return []
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352 let tags = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]})
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353 call filter(tags, 'v:val !~ "^vimxml"')
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354 else
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827
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355 if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, opentag)
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819
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356 " Abandon when data file isn't complete
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357 return []
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358 endif
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674
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359 let tags = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[opentag][0]
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644
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360 endif
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557
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361
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362 let context = substitute(context, '^\k*:', '', '')
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363
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364 for m in tags
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365 if m =~ '^'.context
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667
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366 call add(res, m)
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557
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367 elseif m =~ context
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667
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368 call add(res2, m)
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557
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369 endif
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370 endfor
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667
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371 let menu = res + res2
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827
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372 if b:xml_namespace == 'DEFAULT'
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373 let xml_namespace = ''
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374 else
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375 let xml_namespace = b:xml_namespace.':'
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376 endif
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667
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377 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmltaginfo')
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378 let final_menu = []
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379 for i in range(len(menu))
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380 let item = menu[i]
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381 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'], item)
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382 let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][0]
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383 let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][1]
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384 else
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385 let m_menu = ''
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386 let m_info = ''
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387 endif
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388 let final_menu += [{'word':xml_namespace.item, 'menu':m_menu, 'info':m_info}]
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389 endfor
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390 else
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827
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391 let final_menu = map(menu, 'xml_namespace.v:val')
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667
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392 endif
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827
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393
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667
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394 return final_menu
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557
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395
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396 endif
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397 endfunction
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398
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827
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399 " MM: This is severely reduced closetag.vim used with kind permission of Steven
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557
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400 " Mueller
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401 " Changes: strip all comments; delete error messages; add checking for
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402 " namespace
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403 " Author: Steven Mueller <diffusor@ugcs.caltech.edu>
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404 " Last Modified: Tue May 24 13:29:48 PDT 2005
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405 " Version: 0.9.1
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406
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407 function! xmlcomplete#GetLastOpenTag(unaryTagsStack)
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408 let linenum=line('.')
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409 let lineend=col('.') - 1 " start: cursor position
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410 let first=1 " flag for first line searched
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411 let b:TagStack='' " main stack of tags
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412 let startInComment=s:InComment()
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413
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414 if exists("b:xml_namespace")
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415 if b:xml_namespace == 'DEFAULT'
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416 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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417 else
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418 let tagpat='</\='.b:xml_namespace.':\(\k\|[.-]\)\+\|/>'
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419 endif
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420 else
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574
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421 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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557
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422 endif
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423 while (linenum>0)
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424 let line=getline(linenum)
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425 if first
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426 let line=strpart(line,0,lineend)
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427 else
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428 let lineend=strlen(line)
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429 endif
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430 let b:lineTagStack=''
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431 let mpos=0
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432 let b:TagCol=0
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433 while (mpos > -1)
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434 let mpos=matchend(line,tagpat)
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435 if mpos > -1
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436 let b:TagCol=b:TagCol+mpos
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437 let tag=matchstr(line,tagpat)
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438
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439 if exists('b:closetag_disable_synID') || startInComment==s:InCommentAt(linenum, b:TagCol)
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440 let b:TagLine=linenum
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441 call s:Push(matchstr(tag,'[^<>]\+'),'b:lineTagStack')
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442 endif
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443 let lineend=lineend-mpos
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444 let line=strpart(line,mpos,lineend)
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445 endif
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446 endwhile
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447 while (!s:EmptystackP('b:lineTagStack'))
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448 let tag=s:Pop('b:lineTagStack')
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449 if match(tag, '^/') == 0 "found end tag
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450 call s:Push(tag,'b:TagStack')
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451 elseif s:EmptystackP('b:TagStack') && !s:Instack(tag, a:unaryTagsStack) "found unclosed tag
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452 return tag
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453 else
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454 let endtag=s:Peekstack('b:TagStack')
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455 if endtag == '/'.tag || endtag == '/'
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456 call s:Pop('b:TagStack') "found a open/close tag pair
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457 elseif !s:Instack(tag, a:unaryTagsStack) "we have a mismatch error
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458 return ''
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459 endif
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460 endif
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461 endwhile
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462 let linenum=linenum-1 | let first=0
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463 endwhile
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464 return ''
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465 endfunction
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466
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467 function! s:InComment()
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659
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468 return synIDattr(synID(line('.'), col('.'), 0), 'name') =~ 'Comment\|String'
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557
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469 endfunction
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470
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471 function! s:InCommentAt(line, col)
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659
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472 return synIDattr(synID(a:line, a:col, 0), 'name') =~ 'Comment\|String'
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557
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473 endfunction
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474
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475 function! s:SetKeywords()
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476 let g:IsKeywordBak=&iskeyword
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477 let &iskeyword='33-255'
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478 endfunction
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479
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480 function! s:RestoreKeywords()
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481 let &iskeyword=g:IsKeywordBak
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482 endfunction
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483
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484 function! s:Push(el, sname)
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485 if !s:EmptystackP(a:sname)
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486 exe 'let '.a:sname."=a:el.' '.".a:sname
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487 else
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488 exe 'let '.a:sname.'=a:el'
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489 endif
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490 endfunction
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491
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492 function! s:EmptystackP(sname)
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493 exe 'let stack='.a:sname
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494 if match(stack,'^ *$') == 0
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495 return 1
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496 else
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|
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497 return 0
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|
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498 endif
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|
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499 endfunction
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|
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500
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501 function! s:Instack(el, sname)
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502 exe 'let stack='.a:sname
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503 call s:SetKeywords()
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|
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504 let m=match(stack, '\<'.a:el.'\>')
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505 call s:RestoreKeywords()
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|
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506 if m < 0
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507 return 0
|
|
|
508 else
|
|
|
509 return 1
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|
|
510 endif
|
|
|
511 endfunction
|
|
|
512
|
|
|
513 function! s:Peekstack(sname)
|
|
|
514 call s:SetKeywords()
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|
|
515 exe 'let stack='.a:sname
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|
|
516 let top=matchstr(stack, '\<.\{-1,}\>')
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|
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517 call s:RestoreKeywords()
|
|
|
518 return top
|
|
|
519 endfunction
|
|
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520
|
|
|
521 function! s:Pop(sname)
|
|
|
522 if s:EmptystackP(a:sname)
|
|
|
523 return ''
|
|
|
524 endif
|
|
|
525 exe 'let stack='.a:sname
|
|
|
526 call s:SetKeywords()
|
|
|
527 let loc=matchend(stack,'\<.\{-1,}\>')
|
|
|
528 exe 'let '.a:sname.'=strpart(stack, loc+1, strlen(stack))'
|
|
|
529 let top=strpart(stack, match(stack, '\<'), loc)
|
|
|
530 call s:RestoreKeywords()
|
|
|
531 return top
|
|
|
532 endfunction
|
|
|
533
|
|
|
534 function! s:Clearstack(sname)
|
|
|
535 exe 'let '.a:sname."=''"
|
|
|
536 endfunction
|
|
827
|
537 " vim:set foldmethod=marker:
|
