1 files changed, 133 insertions, 0 deletions
diff --git a/vendor/github.com/vektah/gqlparser/gqlerror/error.go b/vendor/github.com/vektah/gqlparser/gqlerror/error.go
new file mode 100644
index 00000000..c4c0847a
--- /dev/null
+++ b/vendor/github.com/vektah/gqlparser/gqlerror/error.go
@@ -0,0 +1,133 @@
+package gqlerror
+
+import (
+	"bytes"
+	"fmt"
+	"strconv"
+
+	"github.com/vektah/gqlparser/ast"
+)
+
+// Error is the standard graphql error type described in https://facebook.github.io/graphql/draft/#sec-Errors
+type Error struct {
+	Message    string                 `json:"message"`
+	Path       []interface{}          `json:"path,omitempty"`
+	Locations  []Location             `json:"locations,omitempty"`
+	Extensions map[string]interface{} `json:"extensions,omitempty"`
+	Rule       string                 `json:"-"`
+}
+
+func (err *Error) SetFile(file string) {
+	if file == "" {
+		return
+	}
+	if err.Extensions == nil {
+		err.Extensions = map[string]interface{}{}
+	}
+
+	err.Extensions["file"] = file
+}
+
+type Location struct {
+	Line   int `json:"line,omitempty"`
+	Column int `json:"column,omitempty"`
+}
+
+type List []*Error
+
+func (err *Error) Error() string {
+	var res bytes.Buffer
+	if err == nil {
+		return ""
+	}
+	filename, _ := err.Extensions["file"].(string)
+	if filename == "" {
+		filename = "input"
+	}
+	res.WriteString(filename)
+
+	if len(err.Locations) > 0 {
+		res.WriteByte(':')
+		res.WriteString(strconv.Itoa(err.Locations[0].Line))
+	}
+
+	res.WriteString(": ")
+	if ps := err.pathString(); ps != "" {
+		res.WriteString(ps)
+		res.WriteByte(' ')
+	}
+
+	res.WriteString(err.Message)
+
+	return res.String()
+}
+
+func (err Error) pathString() string {
+	var str bytes.Buffer
+	for i, v := range err.Path {
+
+		switch v := v.(type) {
+		case int, int64:
+			str.WriteString(fmt.Sprintf("[%d]", v))
+		default:
+			if i != 0 {
+				str.WriteByte('.')
+			}
+			str.WriteString(fmt.Sprint(v))
+		}
+	}
+	return str.String()
+}
+
+func (errs List) Error() string {
+	var buf bytes.Buffer
+	for _, err := range errs {
+		buf.WriteString(err.Error())
+		buf.WriteByte('\n')
+	}
+	return buf.String()
+}
+
+func WrapPath(path []interface{}, err error) *Error {
+	return &Error{
+		Message: err.Error(),
+		Path:    path,
+	}
+}
+
+func Errorf(message string, args ...interface{}) *Error {
+	return &Error{
+		Message: fmt.Sprintf(message, args...),
+	}
+}
+
+func ErrorPathf(path []interface{}, message string, args ...interface{}) *Error {
+	return &Error{
+		Message: fmt.Sprintf(message, args...),
+		Path:    path,
+	}
+}
+
+func ErrorPosf(pos *ast.Position, message string, args ...interface{}) *Error {
+	return ErrorLocf(
+		pos.Src.Name,
+		pos.Line,
+		pos.Column,
+		message,
+		args...,
+	)
+}
+
+func ErrorLocf(file string, line int, col int, message string, args ...interface{}) *Error {
+	var extensions map[string]interface{}
+	if file != "" {
+		extensions = map[string]interface{}{"file": file}
+	}
+	return &Error{
+		Message:    fmt.Sprintf(message, args...),
+		Extensions: extensions,
+		Locations: []Location{
+			{Line: line, Column: col},
+		},
+	}
+}