1if not modules then modules = { } end modules [ ' lxml-ctx ' ] = {
2 version = 1 . 001 ,
3 comment = " companion to lxml-ini.mkiv " ,
4 author = " Hans Hagen, PRAGMA-ADE, Hasselt NL " ,
5 copyright = " PRAGMA ADE / ConTeXt Development Team " ,
6 license = " see context related readme files "
7}
8
9
10
11local format , find , gsub = string . format , string . find , string . gsub
12
13local xml = xml
14xml . ctx = { }
15xml . ctx . enhancers = { }
16
17local context = context
18local commands = commands
19
20
21
22function xml . ctx . enhancers . compound ( root , lpath , before , tokens , after )
23 local before = before or " [%a%d][%a%d][%a%d] "
24 local tokens = tokens or " [%/%-] "
25 local after = after or " [%a%d][%a%d][%a%d] "
26 local pattern = " ( " . . before . . " )( " . . tokens . . " )( " . . after . . " ) "
27 local action = function ( a , b , c )
28 return a . . " <compound token= " . . format ( " %q " , b ) . . " /> " . . c
29 end
30 xml . enhance ( root , lpath , pattern , action )
31end
32
33local loaded = { }
34
35local nodesettostring = xml . nodesettostring
36
37
38
39local function cleaned ( str )
40 str = gsub ( str , " | " , " \\textbar " )
41 return str
42end
43
44function xml . ctx . tshow ( specification )
45 local pattern = specification . pattern
46 local xmlroot = specification . xmlroot
47 local attribute = specification . attribute
48 if context then
49 local xmlpattern = pattern
50 if not find ( xmlpattern , " ^[%a]+:// " ) then
51 xmlpattern = " xml:// " . . pattern
52 end
53 local parsed = xml . lpath ( xmlpattern )
54 local titlecommand = specification . title or " type "
55 if parsed . state then
56 context [ titlecommand ] ( " pattern: " . . cleaned ( pattern ) . . " ( " . . parsed . state . . " ) " )
57 else
58 context [ titlecommand ] ( " pattern: " . . cleaned ( pattern ) )
59 end
60 context . starttabulate ( { " |Tr|Tl|Tp| " } )
61 if specification . warning then
62 local comment = parsed . comment
63 if comment then
64 for k = 1 , # comment do
65 context . NC ( )
66 context ( " ! " )
67 context . NC ( )
68 context . rlap ( comment [ k ] )
69 context . NR ( )
70 end
71 context . TB ( )
72 end
73 end
74 for p = 1 , # parsed do
75 local pp = parsed [ p ]
76 local kind = pp . kind
77 context . NC ( )
78 context ( p )
79 context . NC ( )
80 context ( kind )
81 context . NC ( )
82 if kind = = " axis " then
83 context ( cleaned ( pp . axis ) )
84 elseif kind = = " nodes " then
85 context ( cleaned ( nodesettostring ( pp . nodes , pp . nodetest ) ) )
86 elseif kind = = " expression " then
87
88 context ( cleaned ( pp . expression ) )
89 elseif kind = = " finalizer " then
90 context ( " %s(%s) " , pp . name , pp . arguments )
91 elseif kind = = " error " and pp . eqrror then
92 context ( pp . error )
93 end
94 context . NC ( )
95 context . NR ( )
96 end
97 context . stoptabulate ( )
98 if xmlroot and xmlroot ~ = " " then
99 if not loaded [ xmlroot ] then
100 loaded [ xmlroot ] = xml . convert ( buffers . getcontent ( xmlroot ) )
101 end
102 local collected = xml . filter ( loaded [ xmlroot ] , xmlpattern )
103 if collected then
104 local tc = type ( collected )
105 if not tc then
106
107 else
108 context . blank ( )
109 context . type ( " result : " )
110 if tc = = " string " then
111 context . type ( collected )
112 elseif tc = = " table " then
113 if collected . tg then
114 collected = { collected }
115 end
116 for c = 1 , # collected do
117 local cc = collected [ c ]
118 if attribute and attribute ~ = " " then
119 local ccat = cc . at
120 local a = ccat and ccat [ attribute ]
121 if a and a ~ = " " then
122 context . type ( a )
123 context . type ( " > " )
124 end
125 end
126 local ccns = cc . ns
127 if ccns = = " " then
128 context . type ( cc . tg )
129 else
130 context . type ( ccns . . " : " . . cc . tg )
131 end
132 context . space ( )
133 end
134 else
135 context . type ( tostring ( tc ) )
136 end
137 context . blank ( )
138 end
139 end
140 end
141 end
142end
143 |
