Automattic\WooCommerce\Vendor\GraphQL\Language

Parser::parseValueLiteral │ private │ WC 1.0

Value[Const] :

• [~Const] Variable
• IntValue
• FloatValue
• StringValue
• BooleanValue
• NullValue
• EnumValue
• ListValue[?Const]
• ObjectValue[?Const].

BooleanValue : one of true false

NullValue : null

EnumValue : Name but not true, false or null

Method of the class: Parser{}

No Hooks.

Returns

BooleanValueNode|EnumValueNode|FloatValueNode|IntValueNode|StringValueNode|VariableNode|ListValueNode|ObjectValueNode|NullValueNode.

Usage

// private - for code of main (parent) class only
$result = $this->parseValueLiteral( $isConst ): ValueNode;

$isConst(true|false) (required)

.

Parser::parseValueLiteral() Parser::parseValueLiteral code ^{WC 11.1.1}

private function parseValueLiteral(bool $isConst): ValueNode
{
    $token = $this->lexer->token;
    switch ($token->kind) {
        case Token::BRACKET_L:
            return $this->parseArray($isConst);

        case Token::BRACE_L:
            return $this->parseObject($isConst);

        case Token::INT:
            $this->lexer->advance();

            return new IntValueNode([
                'value' => $token->value,
                'loc' => $this->loc($token),
            ]);

        case Token::FLOAT:
            $this->lexer->advance();

            return new FloatValueNode([
                'value' => $token->value,
                'loc' => $this->loc($token),
            ]);

        case Token::STRING:
        case Token::BLOCK_STRING:
            return $this->parseStringLiteral();

        case Token::NAME:
            if ($token->value === 'true' || $token->value === 'false') {
                $this->lexer->advance();

                return new BooleanValueNode([
                    'value' => $token->value === 'true',
                    'loc' => $this->loc($token),
                ]);
            }

            if ($token->value === 'null') {
                $this->lexer->advance();

                return new NullValueNode([
                    'loc' => $this->loc($token),
                ]);
            }
            $this->lexer->advance();

            return new EnumValueNode([
                'value' => $token->value,
                'loc' => $this->loc($token),
            ]);

        case Token::DOLLAR:
            if (! $isConst) {
                return $this->parseVariable();
            }

            break;
    }

    throw $this->unexpected();
}