forked from cerc-io/ipld-eth-server
605b0a96ae
* Add graphql server * Update Makefile * Update log_filters constraint * Add GetLogFilter to repo * Update travis (use Makefile, go fmt, go vet) * Add logFilter schema and resolvers * Add GetWatchedEvent to watched_events_repo * Add watchedEventLog schema and resolvers
78 lines
1.4 KiB
Go
78 lines
1.4 KiB
Go
package common
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import (
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"github.com/neelance/graphql-go/errors"
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)
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type InputValue struct {
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Name Ident
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Type Type
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Default Literal
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Desc string
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Loc errors.Location
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TypeLoc errors.Location
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}
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type InputValueList []*InputValue
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func (l InputValueList) Get(name string) *InputValue {
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for _, v := range l {
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if v.Name.Name == name {
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return v
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}
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}
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return nil
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}
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func ParseInputValue(l *Lexer) *InputValue {
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p := &InputValue{}
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p.Loc = l.Location()
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p.Desc = l.DescComment()
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p.Name = l.ConsumeIdentWithLoc()
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l.ConsumeToken(':')
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p.TypeLoc = l.Location()
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p.Type = ParseType(l)
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if l.Peek() == '=' {
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l.ConsumeToken('=')
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p.Default = ParseLiteral(l, true)
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}
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return p
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}
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type Argument struct {
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Name Ident
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Value Literal
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}
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type ArgumentList []Argument
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func (l ArgumentList) Get(name string) (Literal, bool) {
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for _, arg := range l {
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if arg.Name.Name == name {
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return arg.Value, true
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}
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}
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return nil, false
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}
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func (l ArgumentList) MustGet(name string) Literal {
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value, ok := l.Get(name)
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if !ok {
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panic("argument not found")
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}
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return value
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}
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func ParseArguments(l *Lexer) ArgumentList {
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var args ArgumentList
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l.ConsumeToken('(')
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for l.Peek() != ')' {
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name := l.ConsumeIdentWithLoc()
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l.ConsumeToken(':')
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value := ParseLiteral(l, false)
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args = append(args, Argument{Name: name, Value: value})
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}
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l.ConsumeToken(')')
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return args
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}
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