summaryrefslogtreecommitdiffstats
blob: 6d7d47092f4f7f2b5837327495b06e83a9b8e8a7 (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
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
<?xml version='1.0'?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:fo="http://www.w3.org/1999/XSL/Format"
                xmlns:mml="http://www.w3.org/1998/Math/MathML"
                exclude-result-prefixes="mml"
                version='1.0'>

<!-- ********************************************************************
     $Id: math.xsl 7503 2007-10-08 01:57:30Z xmldoc $
     ********************************************************************

     This file is part of the XSL DocBook Stylesheet distribution.
     See ../README or http://docbook.sf.net/release/xsl/current/ for
     copyright and other information.

     ******************************************************************** -->

<xsl:template match="inlineequation">
  <xsl:choose>
    <xsl:when test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
      <xsl:apply-templates select="alt[@role='tex'] | inlinemediaobject/textobject[@role='tex']">
        <xsl:with-param name="output.delims">
          <xsl:call-template name="tex.math.output.delims"/>
        </xsl:with-param>
      </xsl:apply-templates>
    </xsl:when>
    <xsl:otherwise>
      <xsl:apply-templates/>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template match="alt">
</xsl:template>

<xsl:template match="mathphrase">
  <fo:inline>
    <xsl:apply-templates/>
  </fo:inline>
</xsl:template>

<!-- "Support" for MathML -->

<xsl:template match="mml:math" xmlns:mml="http://www.w3.org/1998/Math/MathML">
  <xsl:choose>
    <!-- * If user is using passivetex, we don't wrap the output in -->
    <!-- * fo:instream-foreign-object (which passivetex doesn't support). -->
    <xsl:when test="not($passivetex.extensions = 0)">
      <xsl:copy>
        <xsl:copy-of select="@*"/>
        <xsl:apply-templates/>
      </xsl:copy>
    </xsl:when>
    <xsl:otherwise>
      <fo:instream-foreign-object>
        <xsl:copy>
          <xsl:copy-of select="@*"/>
          <xsl:apply-templates/>
        </xsl:copy>
      </fo:instream-foreign-object>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

<xsl:template match="mml:*" xmlns:mml="http://www.w3.org/1998/Math/MathML">
  <xsl:copy>
    <xsl:copy-of select="@*"/>
    <xsl:apply-templates/>
  </xsl:copy>
</xsl:template>

<xsl:template match="equation/graphic | informalequation/graphic">
  <xsl:if test="$passivetex.extensions = 0 or $tex.math.in.alt = ''">
    <fo:block>
      <xsl:call-template name="process.image"/>
    </fo:block>
  </xsl:if>
</xsl:template>

<xsl:template match="inlineequation/alt[@role='tex'] | 
                     inlineequation/inlinemediaobject/textobject[@role='tex']" priority="1">
  <xsl:param name="output.delims" select="1"/>
  <xsl:if test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
    <xsl:processing-instruction name="xmltex">
      <xsl:if test="$output.delims != 0">
        <xsl:text>$</xsl:text>
      </xsl:if>
      <xsl:value-of select="."/>
      <xsl:if test="$output.delims != 0">
        <xsl:text>$</xsl:text>
      </xsl:if>
    </xsl:processing-instruction>
  </xsl:if>
</xsl:template>

<xsl:template match="equation/alt[@role='tex'] | informalequation/alt[@role='tex'] |
                     equation/mediaobject/textobject[@role='tex'] |
                     informalequation/mediaobject/textobject[@role='tex']" priority="1">
  <xsl:variable name="output.delims">
    <xsl:call-template name="tex.math.output.delims"/>
  </xsl:variable>
  <xsl:if test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
    <xsl:processing-instruction name="xmltex">
      <xsl:if test="$output.delims != 0">
        <xsl:text>$$</xsl:text>
      </xsl:if>
      <xsl:value-of select="."/>
      <xsl:if test="$output.delims != 0">
        <xsl:text>$$</xsl:text>
      </xsl:if>
    </xsl:processing-instruction>
  </xsl:if>
</xsl:template>

<xsl:template match="alt[@role='tex']">
  <xsl:if test="$passivetex.extensions != 0 and $tex.math.in.alt != ''">
    <xsl:message>
      Your equation is misplaced. It should be in inlineequation, equation or informalequation.
    </xsl:message>
  </xsl:if>
</xsl:template>

<xsl:template name="tex.math.output.delims">
  <xsl:variable name="pi.delims">
    <xsl:call-template name="pi-attribute">
      <xsl:with-param name="pis" select=".//processing-instruction('dbtex')"/>
      <xsl:with-param name="attribute" select="'delims'"/>
    </xsl:call-template>
  </xsl:variable>
  <xsl:variable name="result">
    <xsl:choose>
      <xsl:when test="$pi.delims = 'no'">0</xsl:when>
      <xsl:when test="$pi.delims = '' and $tex.math.delims = 0">0</xsl:when>
      <xsl:otherwise>1</xsl:otherwise>
    </xsl:choose>
  </xsl:variable>
  <xsl:value-of select="$result"/>
</xsl:template>

</xsl:stylesheet>