validate-params ( validators -- )
Furnace framework » Furnace actions » Form validation with actions

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validation-failed ( -- * )

Vocabulary
furnace.actions

Inputs

validators

an association list mapping parameter names to validator quotations

Outputs
None

Word description
Validates query or POST parameters, depending on the request type, and stores them in HTML form values. The validator quotations can execute Form validators.

Examples
A simple validator from webapps.todo; this word is invoked from the validate quotation of action for editing a todo list item:

: validate-todo ( -- ) { { "summary" [ v-one-line ] } { "priority" [ v-integer 0 v-min-value 10 v-max-value ] } { "description" [ v-required ] } } validate-params ;

See also
validate-values

Definition

USING: html.forms http.server kernel namespaces ;

IN: furnace.actions

: validate-params ( validators -- )
    params get swap validate-values check-validation ;