blob: 1af6db33c546b896839ce38bb34ed659d8a7e607 (
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
|
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<!-- Author: Chris Rathman -->
<!-- Reference: http://www.angelfire.com/tx4/cus/notes/xslfactorial.html -->
<!-- Description: Computes factorial as a demonstration of recursion -->
<xsl:output method="text"/>
<!-- x := 5 -->
<xsl:variable name="x" select="5"/>
<!-- y := factorial(x) -->
<xsl:variable name="y">
<xsl:call-template name="factorial">
<xsl:with-param name="n" select="$x"/>
</xsl:call-template>
</xsl:variable>
<!-- factorial(n) - compute the factorial of a number -->
<xsl:template name="factorial">
<xsl:param name="n" select="1"/>
<xsl:variable name="sum">
<xsl:if test="$n = 1">1</xsl:if>
<xsl:if test="$n != 1">
<xsl:call-template name="factorial">
<xsl:with-param name="n" select="$n - 1"/>
</xsl:call-template>
</xsl:if>
</xsl:variable>
<xsl:value-of select="$sum * $n"/>
</xsl:template>
<!-- output the results -->
<xsl:template match="/">
<xsl:text>factorial(</xsl:text>
<xsl:value-of select="$x"/>
<xsl:text>) = </xsl:text>
<xsl:value-of select="$y"/>
<xsl:text>
</xsl:text>
<!-- calculate another factorial for grins -->
<xsl:text>factorial(4) = </xsl:text>
<xsl:call-template name="factorial">
<xsl:with-param name="n" select="5"/>
</xsl:call-template>
<xsl:text>
</xsl:text>
</xsl:template>
<!--
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
-->
</xsl:stylesheet>
|
