Adobe Extending Dreamweaver CS4 Manuel d'utilisateur télécharger pdf (Page 280)

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EXTENDING DREAMWEAVER CS4

Server behaviors

The search patterns must identify the participant and extract several parameters. However, if a parameter such as

cursorType is not found, you should still recognize this pattern as a recordset. The cursor parameter is optional. In the

EDML, the search patterns might look like the following example:

<searchPattern paramNames="rs">/var (\w+) = Server.CreateObject/

</searchPattern>

<searchPattern paramNames="src">/ActiveConnection = "([^\r\n]*)"/</searchPattern>

<searchPattern paramNames="conn">/Source = "([^\r\n]*)"/</searchPattern>

<searchPattern paramNames="cursor" isOptional="true">/CursorType = (\d+)/

</searchPattern>

The first three patterns are required to identify the recordset. If the last parameter is not found, the recordset is still

identified.

Description

This optional advanced feature lets you update the participant precisely. Without this tag, the participant is updated

automatically by replacing the entire participant text each time. If you specify an

updatePatterns tag, it must contain

specific patterns to find and replace each parameter within the participant.

This tag is beneficial if the user edits the participant text. It performs precise updates only to the parts of the text that

need changing.

Parent

implementation

Type

Block tag.

Required

No.

Description

This tag is a specific type of regular expression that lets you update participant text precisely. There should be at least

one update pattern definition for every unique parameter that is declared in the insertion text (of the form

@@paramName@@).

Parent

updatePatterns

Type

Block tag.

Required

Yes (at least one, if you declare the updatePatterns tag).

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Adobe Extending Dreamweaver CS4 Manuel d'utilisateur Page 280