XML Pocket Reference, 2nd edition by Robert Eckstein & Michel Casabiance

Author:Robert Eckstein & Michel Casabiance [Eckstein, Robert & Casabiance, Michel]
Language: fra
Format: epub, pdf
Tags: Informatique
Publisher: O'Reilly
Published: 2001-11-18T14:56:45+00:00

page 31

XML Pocket Reference, 2nd edition

1.8.4 Numbering Elements

XSL provides a simple method for numbering elements with the <xsl:number> element. Let's assume we want to number the sections and paragraphs in a document. We can do this by adding the following code before displaying the section titles and the content of the paragraphs:

<xsl:number count="sect|para"

level="multiple" format="1.1"/>

<xsl:text>- </xsl:text>

The result is:

1 - First section

1.1 - This is the first section of text.

2 - Second section

2.1 - This is the second section of text.

The count attribute decides which elements should be numbered. Elements must be separated by a |.

The level attribute specifies the level of numbering and may take one of three string values: single, multiple, or any. single tells the processor to number only one level. In this case, paragraph numbers will not indicate the section number. multiple numbers several levels, meaning that the first part of the paragraph number is the section number in our previous example. any tells the processor to add numbering without regard to level. Here, the numbers of the sections and paragraphs are consecutive.

The format attribute indicates the style of numbering. Letters or numbers may be used, with a separator in between. The letters may be A or a (for alphabetical numbering in upper- or lowercase), I or i (for numbering in upper- or lowercase Roman numerals), or 1 (for numbering in Arabic numerals). For example, to number sections with Roman numerals and paragraphs with lowercase letters, use this format attribute:

format="I.a"

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