blob: fbcaf07f4eebe98cffb4b235d5cc0915c7f40251 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
|
%D \module
%D [ file=xtag-exp,
%D version=2001.08.20,
%D title=\CONTEXT\ XML Support,
%D subtitle=Expansion Related Things,
%D author=Hans Hagen,
%D date=\currentdate,
%D copyright={PRAGMA / Hans Hagen \& Ton Otten}]
%C
%C This module is part of the \CONTEXT\ macro||package and is
%C therefore copyrighted by \PRAGMA. See mreadme.pdf for
%C details.
\beginTEX
\writestatus{XML}{sorry, XML is only supported in (pdf)etex}
\def\startXMLdefinitions{\gobbleuntil\stopXMLdefinitions}
\endinput
\endTEX
\writestatus{loading}{Context XML Macros (expansion)}
\unprotect
%D Files
\newcounter\XMLfilenesting \let\restoreXMLelements\relax
\def\startXMLreading
{\increment \XMLfilenesting \relax
\ifnum\XMLfilenesting=1
%\ifcase\XMLfilenesting\or
\ifprocessingXML
\let\restoreXMLelements\relax
\else
\let\restoreXMLelements\disableXMLelements
\enableXMLelements
\fi
\fi}
\def\stopXMLreading
{\ifnum\XMLfilenesting=1
%\ifcase\XMLfilenesting\or
\restoreXMLelements
\let\restoreXMLelements\relax
\fi
\decrement \XMLfilenesting \relax}
\def\enableXMLfiledata
{\prependtoks \enableXMLelements \to \mainoutput % brrr, will change
\appendtoks \startXMLreading \to \everybeforeutilityread
\appendtoks \stopXMLreading \to \everyafterutilityread
\appendtoks \forcefileexpansiontrue \to \everyenableXML
\let\enableXMLfiledata\relax}
\setupXMLprocessing[\c!state=\v!start]
\appendtoks
\ifproductionrun \enableXMLfiledata \fi
\to \aftersetupXMLprocessing
%D Here we overload the mark handler.
\def\XMLexpanded#1%
{\bgroup
\honorunexpanded
\dontexpandencoding
\xdef\@@globalexpanded{\noexpand#1}%
\egroup
\@@globalexpanded}
\let\normalsetnormalmark\setnormalmark
\long\def\setnormalmark#1% overloaded
{\ifprocessingXML
\expandafter\setXMLexpandedmark
\else
\expandafter\normalsetnormalmark
\fi#1}
\def\setXMLexpandedmark#1#2% using a tok prevents unwanted expansion in mark
{\XMLexpanded{\scratchtoks{\enableXMLelements#2}}%
\setxvalue{\@@crk\string#1}{\the\scratchtoks}%
\normalmarks#1{\the\scratchtoks}}
\protect \endinput
|
