1XML::Grove::Factory(3)User Contributed Perl DocumentationXML::Grove::Factory(3)
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6 XML::Grove::Factory - simplify creation of XML::Grove objects
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9 use XML::Grove::Factory;
10 ### An object that creates Grove objects directly
12 my $gf = XML::Grove::Factory->grove_factory;
13 $grove = $gf->document( CONTENTS );
15 $element = $gf->element( $name, { ATTRIBUTES }, CONTENTS );
16 $pi = $gf->pi( $target, $data );
17 $comment = $gf->comment( $data );
18 ### An object that creates elements by method name
20 my $ef = XML::Grove::Factory->element_factory();
21 $element = $ef->NAME( { ATTRIBUTES }, CONTENTS);
23 ### Similar to `element_factory', but creates functions in the
25 ### current package
26 XML::Grove::Factory->element_functions( PREFIX, ELEMENTS );
27 $element = NAME( { ATTRIBUTES }, CONTENTS );
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31 "XML::Grove::Factory" provides objects or defines functions that let
32 you simply and quickly create the most commonly used XML::Grove
33 objects. "XML::Grove::Factory" supports three types of object
34 creation. The first type is to create raw XML::Grove objects. The
35 second type creates XML elements by element name. The third type is
36 like the second, but defines local functions for you to call instead of
37 using an object, which might save typing in some cases.
38 The three types of factories can be mixed. For example, you can use
40 local functions for all element names that don't conflict with your own
41 sub names or contain special characters, and then use a
42 `"grove_factory()"' object for those elements that do conflict.
43 In the examples that follow, each example is creating an XML instance
45 similar to the following, assuming it's pretty printed:
46 <?xml version="1.0"?>
48 <HTML>
49 <HEAD>
50 <TITLE>Some Title</TITLE>
51 </HEAD>
52 <BODY bgcolor="#FFFFFF">
53 <P>A paragraph.</P>
54 </BODY>
55 </HTML>
56
58 $gf = XML::Grove::Factory->grove_factory()
59 Creates a new grove factory object that creates raw XML::Grove
60 objects.
61 $gf->document( CONTENTS );
63 Creates an XML::Grove::Document object. CONTENTS may contain
64 processing instructions, strings containing only whitespace
65 characters, and a single element object (but note that there is no
66 checking). Strings are converted to XML::Grove::Characters
67 objects.
68 $gf->element($name, CONTENTS);
70 $gf->element($name, { ATTRIBUTES }, CONTENTS);
71 Creates an XML::Grove::Element object with the name `$name'. If
72 the argument following `$name' is an anonymous hash, ATTRIBUTES,
73 then they will be copied to the elements attributes. CONTENTS will
74 be stored in the element's content (note that there is no validity
75 checking). Strings in CONTENTS are converted to
76 XML::Grove::Characters objects.
77 $gf->pi( TARGET, DATA)
79 $gf->pi( DATA )
80 Create an XML::Grove::PI object with TARGET and DATA.
81 $gf->comment( DATA )
83 Create an XML::Grove::Comment object with DATA.
84 GROVE FACTORY EXAMPLE
86 use XML::Grove::Factory;
87 $gf = XML::Grove::Factory->grove_factory;
89 $element =
91 $gf->element('HTML',
92 $gf->element('HEAD',
93 $gf->element('TITLE', 'Some Title')),
94 $gf->element('BODY', { bgcolor => '#FFFFFF' },
95 $gf->element('P', 'A paragraph.')));
96
98 $ef = XML::Grove::Factory->element_factory()
99 Creates a new element factory object for creating elements.
100 `"element_factory()"' objects work by creating an element for any
101 name used to call the object.
102 $ef->NAME( CONTENTS )
104 $ef->NAME( { ATTRIBUTES }, CONTENTS)
105 Creates an XML::Grove::Element object with the given NAME,
106 ATTRIBUTES, and CONTENTS. The hash containing ATTRIBUTES is
107 optional if this element doesn't need attributes. Strings in
108 CONTENTS are converted to XML::Grove::Characters objects.
109 ELEMENT FACTORY EXAMPLE
111 use XML::Grove::Factory;
112 $ef = XML::Grove::Factory->element_factory();
114 $element =
116 $ef->HTML(
117 $ef->HEAD(
118 $ef->TITLE('Some Title')),
119 $ef->BODY({ bgcolor => '#FFFFFF' },
120 $ef->P('A paragraph.')));
121
123 XML::Grove::Factory->element_functions (PREFIX, ELEMENTS)
124 Creates functions in the current package for creating elements with
125 the names provided in the list ELEMENTS. PREFIX will be prepended
126 to every function name, or PREFIX can be an empty string ('') if
127 you're confident that there won't be any conflicts with functions
128 in your package.
129 NAME( CONTENTS )
131 NAME( { ATTRIBUTES }, CONTENTS )
132 PREFIXNAME( CONTENTS )
133 PREFIXNAME( { ATTRIBUTES }, CONTENTS )
134 Functions created for `"NAME"' or `"PREFIXNAME"' can be called to
135 create XML::Grove::Element objects with the given NAME, ATTRIBUTES,
136 and CONTENT. The hash containing ATTRIBUTES is optional if this
137 element doesn't need attributes. Strings in CONTENT are converted
138 to XML::Grove::Characters objects.
139 ELEMENT FACTORY EXAMPLE
141 use XML::Grove::Factory;
142 XML::Grove::Factory->element_functions('', qw{ HTML HEAD TITLE BODY P });
144 $element =
146 HTML(
147 HEAD(
148 TITLE('Some Title')),
149 BODY({ bgcolor => '#FFFFFF' },
150 P('A paragraph.')));
151
153 Ken MacLeod, ken@bitsko.slc.ut.us
154 Inspired by the HTML::AsSubs module by Gisle Aas.
156
158 perl(1), XML::Grove(3).
159 Extensible Markup Language (XML) <http://www.w3c.org/XML>
161
163 Hey! The above document had some coding errors, which are explained
164 below:
165 Around line 307:
167 You forgot a '=back' before '=head2'
168perl v5.10.1 1999-09-03 XML::Grove::Factory(3)