Trait graphql_tools::ast::query_visitor::QueryVisitor

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pub trait QueryVisitor<T = DefaultVisitorContext> {

Show 37 methods    fn visit_document(&self, node: &Document, visitor_context: &mut T) { ... }

    fn __visit_selection_set(
        &self, 
        _node: &SelectionSet, 
        visitor_context: &mut T
    ) { ... }

    fn __visit_value(&self, node: &Value, visitor_context: &mut T) { ... }

    fn enter_document(&self, _node: &Document, _visitor_context: &mut T) { ... }

    fn leave_document(&self, _node: &Document, _visitor_context: &mut T) { ... }

    fn enter_definition(&self, _node: &Definition, _visitor_context: &mut T) { ... }

    fn leave_definition(&self, _node: &Definition, _visitor_context: &mut T) { ... }

    fn enter_fragment_definition(
        &self, 
        _node: &FragmentDefinition, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_fragment_definition(
        &self, 
        _node: &FragmentDefinition, 
        _visitor_context: &mut T
    ) { ... }

    fn enter_operation_definition(
        &self, 
        _node: &OperationDefinition, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_operation_definition(
        &self, 
        _node: &OperationDefinition, 
        _visitor_context: &mut T
    ) { ... }

    fn enter_query(&self, _node: &Query, _visitor_context: &mut T) { ... }

    fn leave_query(&self, _node: &Query, _visitor_context: &mut T) { ... }

    fn enter_mutation(&self, _node: &Mutation, _visitor_context: &mut T) { ... }

    fn leave_mutation(&self, _node: &Mutation, _visitor_context: &mut T) { ... }

    fn enter_subscription(&self, _node: &Subscription, _visitor_context: &mut T) { ... }

    fn leave_subscription(&self, _node: &Subscription, _visitor_context: &mut T) { ... }

    fn enter_selection_set(
        &self, 
        _node: &SelectionSet, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_selection_set(
        &self, 
        _node: &SelectionSet, 
        _visitor_context: &mut T
    ) { ... }

    fn enter_variable_definition(
        &self, 
        _node: &VariableDefinition, 
        _parent_operation: &OperationDefinition, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_variable_definition(
        &self, 
        _node: &VariableDefinition, 
        _parent_operation: &OperationDefinition, 
        _visitor_context: &mut T
    ) { ... }

    fn enter_value(&self, _node: &Value, _visitor_context: &mut T) { ... }

    fn leave_value(&self, _node: &Value, _visitor_context: &mut T) { ... }

    fn enter_selection(&self, _node: &Selection, _visitor_context: &mut T) { ... }

    fn leave_selection(&self, _node: &Selection, _visitor_context: &mut T) { ... }

    fn enter_field(&self, _node: &Field, _visitor_context: &mut T) { ... }

    fn leave_field(&self, _node: &Field, _visitor_context: &mut T) { ... }

    fn enter_directive(&self, _directive: &Directive, _visitor_context: &mut T) { ... }

    fn leave_directive(&self, _directive: &Directive, _visitor_context: &mut T) { ... }

    fn enter_field_argument(
        &self, 
        _name: &String, 
        _value: &Value, 
        _parent_field: &Field, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_field_argument(
        &self, 
        _name: &String, 
        _value: &Value, 
        _parent_field: &Field, 
        _visitor_context: &mut T
    ) { ... }

    fn enter_variable(
        &self, 
        _name: &String, 
        _parent_arg: (&String, &Value), 
        _parent_field: &Field, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_variable(
        &self, 
        _name: &String, 
        _parent_arg: (&String, &Value), 
        _parent_field: &Field, 
        _visitor_context: &mut T
    ) { ... }

    fn enter_fragment_spread(
        &self, 
        _node: &FragmentSpread, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_fragment_spread(
        &self, 
        _node: &FragmentSpread, 
        _visitor_context: &mut T
    ) { ... }

    fn enter_inline_fragment(
        &self, 
        _node: &InlineFragment, 
        _visitor_context: &mut T
    ) { ... }

    fn leave_inline_fragment(
        &self, 
        _node: &InlineFragment, 
        _visitor_context: &mut T
    ) { ... }

}
Expand description

A trait for implenenting a visitor for GraphQL operations. It allow your custom function to be called when an AST node is found.

You can pass custom as context if you need to store data / access external variables.

Provided methods

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fn __visit_selection_set(&self, _node: &SelectionSet, visitor_context: &mut T)

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fn __visit_value(&self, node: &Value, visitor_context: &mut T)

Implementors