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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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856
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4 " Last Change: 2006 Apr 30
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557
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5
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6 " This function will create Dictionary with users namespace strings and values
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7 " canonical (system) names of data files. Names should be lowercase,
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8 " descriptive to avoid any future conflicts. For example 'xhtml10s' should be
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9 " name for data of XHTML 1.0 Strict and 'xhtml10t' for XHTML 1.0 Transitional
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819
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10 " User interface will be provided by XMLns command defined in ftplugin/xml.vim
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557
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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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827
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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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856
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25 " :runtime.
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557
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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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827
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45 " }}}
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557
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46
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827
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47 function! xmlcomplete#CreateEntConnection(...) " {{{
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557
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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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827
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54 " }}}
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557
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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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644
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59 let curline = line('.')
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557
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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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644
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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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644
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87 " Normal tag line, no need for completion at all
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785
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88 " OR reached first line without tag at all
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644
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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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557
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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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644
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101 let b:xml_namespace = matchstr(b:compl_context, '^<\zs\k*\ze:')
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557
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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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644
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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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557
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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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644
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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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557
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157
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644
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158 return res + res2
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159 endif
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557
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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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856
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169 " If a:base contains white space it is attribute.
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557
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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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837
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189 if attr =~ "=\s*[\"']" || attr =~ "=\s*$"
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557
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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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837
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192 let entered_value = matchstr(attr, ".*=\\s*[\"']\\?\\zs.*")
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557
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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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837
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198 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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199 let values = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1][attrname]
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200 else
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201 return []
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202 endif
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557
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203 endif
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204
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205 if len(values) == 0
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206 return []
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207 endif
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208
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209 " We need special version of sbase
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210 let attrbase = matchstr(context, ".*[\"']")
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211 let attrquote = matchstr(attrbase, '.$')
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837
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212 if attrquote !~ "['\"]"
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213 let attrquoteopen = '"'
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214 let attrquote = '"'
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215 else
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216 let attrquoteopen = ''
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217 endif
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557
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218
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219 for m in values
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220 " This if is needed to not offer all completions as-is
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221 " alphabetically but sort them. Those beginning with entered
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222 " part will be as first choices
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223 if m =~ '^'.entered_value
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837
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224 call add(res, attrquoteopen . m . attrquote.' ')
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557
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225 elseif m =~ entered_value
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837
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226 call add(res2, attrquoteopen . m . attrquote.' ')
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557
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227 endif
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228 endfor
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229
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230 return res + res2
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231
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232 endif
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233
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234 if tag =~ '?xml'
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235 " Two possible arguments for <?xml> plus variation
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236 let attrs = ['encoding', 'version="1.0"', 'version']
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237 elseif tag =~ '^!'
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238 " Don't make completion at all
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819
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239 "
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557
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240 return []
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241 else
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819
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242 if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, tag)
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243 " Abandon when data file isn't complete
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244 return []
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245 endif
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557
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246 let attrs = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[tag][1])
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247 endif
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248
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249 for m in sort(attrs)
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250 if m =~ '^'.attr
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667
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251 call add(res, m)
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557
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252 elseif m =~ attr
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667
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253 call add(res2, m)
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557
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254 endif
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255 endfor
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667
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256 let menu = res + res2
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257 let final_menu = []
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258 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmlattrinfo')
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259 for i in range(len(menu))
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260 let item = menu[i]
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261 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'], item)
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262 let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][0]
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263 let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmlattrinfo'][item][1]
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264 else
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265 let m_menu = ''
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266 let m_info = ''
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267 endif
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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 += [{'word':item, 'menu':m_menu, 'info':m_info}]
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274 endfor
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275 else
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276 for i in range(len(menu))
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277 let item = menu[i]
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278 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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279 let item = item
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280 else
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281 let item .= '="'
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282 endif
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283 let final_menu += [item]
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284 endfor
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285 endif
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286 return final_menu
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557
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287
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288 endif
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289 " Close tag
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290 let b:unaryTagsStack = "base meta link hr br param img area input col"
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291 if context =~ '^\/'
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292 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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293 return [opentag.">"]
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294 endif
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295
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296 " Complete elements of XML structure
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297 " TODO: #REQUIRED, #IMPLIED, #FIXED, #PCDATA - but these should be detected like
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298 " entities - in first run
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299 " keywords: CDATA, ID, IDREF, IDREFS, ENTITY, ENTITIES, NMTOKEN, NMTOKENS
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300 " are hardly recognizable but keep it in reserve
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301 " also: EMPTY ANY SYSTEM PUBLIC DATA
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302 if context =~ '^!'
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303 let tags = ['!ELEMENT', '!DOCTYPE', '!ATTLIST', '!ENTITY', '!NOTATION', '![CDATA[', '![INCLUDE[', '![IGNORE[']
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304
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305 for m in tags
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306 if m =~ '^'.context
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307 let m = substitute(m, '^!\[\?', '', '')
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308 call add(res, m)
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309 elseif m =~ context
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310 let m = substitute(m, '^!\[\?', '', '')
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311 call add(res2, m)
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312 endif
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313 endfor
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314
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315 return res + res2
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316
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317 endif
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318
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319 " Complete text declaration
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320 if context =~ '^?'
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321 let tags = ['?xml']
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322
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323 for m in tags
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324 if m =~ '^'.context
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325 call add(res, substitute(m, '^?', '', ''))
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326 elseif m =~ context
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327 call add(res, substitute(m, '^?', '', ''))
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328 endif
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329 endfor
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330
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331 return res + res2
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332
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333 endif
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334
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335 " Deal with tag completion.
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336 let opentag = xmlcomplete#GetLastOpenTag("b:unaryTagsStack")
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337 let opentag = substitute(opentag, '^\k*:', '', '')
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644
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338 if opentag == ''
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674
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339 "return []
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340 let tags = keys(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]})
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341 call filter(tags, 'v:val !~ "^vimxml"')
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342 else
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827
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343 if !has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, opentag)
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819
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344 " Abandon when data file isn't complete
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345 return []
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346 endif
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674
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347 let tags = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}[opentag][0]
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644
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348 endif
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557
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349
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350 let context = substitute(context, '^\k*:', '', '')
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351
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352 for m in tags
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353 if m =~ '^'.context
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667
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354 call add(res, m)
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557
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355 elseif m =~ context
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667
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356 call add(res2, m)
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557
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357 endif
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358 endfor
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667
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359 let menu = res + res2
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827
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360 if b:xml_namespace == 'DEFAULT'
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361 let xml_namespace = ''
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362 else
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363 let xml_namespace = b:xml_namespace.':'
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364 endif
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667
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365 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}, 'vimxmltaginfo')
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366 let final_menu = []
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367 for i in range(len(menu))
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368 let item = menu[i]
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369 if has_key(g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'], item)
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370 let m_menu = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][0]
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371 let m_info = g:xmldata{'_'.g:xmldata_connection[b:xml_namespace]}['vimxmltaginfo'][item][1]
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372 else
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373 let m_menu = ''
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374 let m_info = ''
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375 endif
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376 let final_menu += [{'word':xml_namespace.item, 'menu':m_menu, 'info':m_info}]
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377 endfor
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378 else
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827
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379 let final_menu = map(menu, 'xml_namespace.v:val')
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667
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380 endif
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827
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381
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667
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382 return final_menu
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557
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383
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384 endif
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385 endfunction
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386
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827
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387 " MM: This is severely reduced closetag.vim used with kind permission of Steven
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557
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388 " Mueller
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389 " Changes: strip all comments; delete error messages; add checking for
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390 " namespace
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391 " Author: Steven Mueller <diffusor@ugcs.caltech.edu>
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392 " Last Modified: Tue May 24 13:29:48 PDT 2005
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393 " Version: 0.9.1
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394
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395 function! xmlcomplete#GetLastOpenTag(unaryTagsStack)
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396 let linenum=line('.')
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397 let lineend=col('.') - 1 " start: cursor position
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398 let first=1 " flag for first line searched
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399 let b:TagStack='' " main stack of tags
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400 let startInComment=s:InComment()
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401
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402 if exists("b:xml_namespace")
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403 if b:xml_namespace == 'DEFAULT'
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404 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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405 else
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406 let tagpat='</\='.b:xml_namespace.':\(\k\|[.-]\)\+\|/>'
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407 endif
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408 else
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574
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409 let tagpat='</\=\(\k\|[.-]\)\+\|/>'
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557
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410 endif
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411 while (linenum>0)
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412 let line=getline(linenum)
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413 if first
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414 let line=strpart(line,0,lineend)
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415 else
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416 let lineend=strlen(line)
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417 endif
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418 let b:lineTagStack=''
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419 let mpos=0
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420 let b:TagCol=0
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421 while (mpos > -1)
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422 let mpos=matchend(line,tagpat)
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423 if mpos > -1
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424 let b:TagCol=b:TagCol+mpos
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425 let tag=matchstr(line,tagpat)
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426
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427 if exists('b:closetag_disable_synID') || startInComment==s:InCommentAt(linenum, b:TagCol)
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428 let b:TagLine=linenum
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429 call s:Push(matchstr(tag,'[^<>]\+'),'b:lineTagStack')
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430 endif
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431 let lineend=lineend-mpos
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432 let line=strpart(line,mpos,lineend)
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433 endif
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434 endwhile
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435 while (!s:EmptystackP('b:lineTagStack'))
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436 let tag=s:Pop('b:lineTagStack')
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437 if match(tag, '^/') == 0 "found end tag
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438 call s:Push(tag,'b:TagStack')
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439 elseif s:EmptystackP('b:TagStack') && !s:Instack(tag, a:unaryTagsStack) "found unclosed tag
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440 return tag
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441 else
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442 let endtag=s:Peekstack('b:TagStack')
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443 if endtag == '/'.tag || endtag == '/'
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444 call s:Pop('b:TagStack') "found a open/close tag pair
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445 elseif !s:Instack(tag, a:unaryTagsStack) "we have a mismatch error
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446 return ''
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447 endif
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448 endif
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449 endwhile
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450 let linenum=linenum-1 | let first=0
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451 endwhile
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452 return ''
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453 endfunction
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454
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455 function! s:InComment()
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659
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456 return synIDattr(synID(line('.'), col('.'), 0), 'name') =~ 'Comment\|String'
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557
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457 endfunction
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458
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459 function! s:InCommentAt(line, col)
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659
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460 return synIDattr(synID(a:line, a:col, 0), 'name') =~ 'Comment\|String'
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557
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461 endfunction
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462
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463 function! s:SetKeywords()
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464 let g:IsKeywordBak=&iskeyword
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465 let &iskeyword='33-255'
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466 endfunction
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467
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468 function! s:RestoreKeywords()
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469 let &iskeyword=g:IsKeywordBak
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470 endfunction
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471
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472 function! s:Push(el, sname)
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473 if !s:EmptystackP(a:sname)
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474 exe 'let '.a:sname."=a:el.' '.".a:sname
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475 else
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476 exe 'let '.a:sname.'=a:el'
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477 endif
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478 endfunction
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479
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480 function! s:EmptystackP(sname)
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481 exe 'let stack='.a:sname
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482 if match(stack,'^ *$') == 0
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483 return 1
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484 else
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485 return 0
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486 endif
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487 endfunction
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488
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489 function! s:Instack(el, sname)
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490 exe 'let stack='.a:sname
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491 call s:SetKeywords()
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492 let m=match(stack, '\<'.a:el.'\>')
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493 call s:RestoreKeywords()
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494 if m < 0
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495 return 0
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496 else
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497 return 1
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498 endif
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499 endfunction
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500
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501 function! s:Peekstack(sname)
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502 call s:SetKeywords()
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503 exe 'let stack='.a:sname
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504 let top=matchstr(stack, '\<.\{-1,}\>')
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505 call s:RestoreKeywords()
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506 return top
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507 endfunction
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508
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509 function! s:Pop(sname)
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510 if s:EmptystackP(a:sname)
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511 return ''
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512 endif
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513 exe 'let stack='.a:sname
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514 call s:SetKeywords()
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515 let loc=matchend(stack,'\<.\{-1,}\>')
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516 exe 'let '.a:sname.'=strpart(stack, loc+1, strlen(stack))'
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517 let top=strpart(stack, match(stack, '\<'), loc)
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518 call s:RestoreKeywords()
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519 return top
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520 endfunction
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521
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522 function! s:Clearstack(sname)
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523 exe 'let '.a:sname."=''"
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524 endfunction
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827
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525 " vim:set foldmethod=marker:
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