mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
78 lines
1.4 KiB
78 lines
1.4 KiB
package common
|
|
|
|
import (
|
|
"github.com/graph-gophers/graphql-go/errors"
|
|
)
|
|
|
|
// http://facebook.github.io/graphql/draft/#InputValueDefinition
|
|
type InputValue struct {
|
|
Name Ident
|
|
Type Type
|
|
Default Literal
|
|
Desc string
|
|
Loc errors.Location
|
|
TypeLoc errors.Location
|
|
}
|
|
|
|
type InputValueList []*InputValue
|
|
|
|
func (l InputValueList) Get(name string) *InputValue {
|
|
for _, v := range l {
|
|
if v.Name.Name == name {
|
|
return v
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func ParseInputValue(l *Lexer) *InputValue {
|
|
p := &InputValue{}
|
|
p.Loc = l.Location()
|
|
p.Desc = l.DescComment()
|
|
p.Name = l.ConsumeIdentWithLoc()
|
|
l.ConsumeToken(':')
|
|
p.TypeLoc = l.Location()
|
|
p.Type = ParseType(l)
|
|
if l.Peek() == '=' {
|
|
l.ConsumeToken('=')
|
|
p.Default = ParseLiteral(l, true)
|
|
}
|
|
return p
|
|
}
|
|
|
|
type Argument struct {
|
|
Name Ident
|
|
Value Literal
|
|
}
|
|
|
|
type ArgumentList []Argument
|
|
|
|
func (l ArgumentList) Get(name string) (Literal, bool) {
|
|
for _, arg := range l {
|
|
if arg.Name.Name == name {
|
|
return arg.Value, true
|
|
}
|
|
}
|
|
return nil, false
|
|
}
|
|
|
|
func (l ArgumentList) MustGet(name string) Literal {
|
|
value, ok := l.Get(name)
|
|
if !ok {
|
|
panic("argument not found")
|
|
}
|
|
return value
|
|
}
|
|
|
|
func ParseArguments(l *Lexer) ArgumentList {
|
|
var args ArgumentList
|
|
l.ConsumeToken('(')
|
|
for l.Peek() != ')' {
|
|
name := l.ConsumeIdentWithLoc()
|
|
l.ConsumeToken(':')
|
|
value := ParseLiteral(l, false)
|
|
args = append(args, Argument{Name: name, Value: value})
|
|
}
|
|
l.ConsumeToken(')')
|
|
return args
|
|
}
|
|
|