| // Copyright 2013 sigu-399 ( https://github.com/sigu-399 ) |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| // author sigu-399 |
| // author-github https://github.com/sigu-399 |
| // author-mail sigu.399@gmail.com |
| // |
| // repository-name gojsonschema |
| // repository-desc An implementation of JSON Schema, based on IETF's draft v4 - Go language. |
| // |
| // description Various utility functions. |
| // |
| // created 26-02-2013 |
| |
| package gojsonschema |
| |
| import ( |
| "encoding/json" |
| "fmt" |
| "log" |
| "reflect" |
| "strconv" |
| ) |
| |
| func isKind(what interface{}, kind reflect.Kind) bool { |
| return reflect.ValueOf(what).Kind() == kind |
| } |
| |
| func existsMapKey(m map[string]interface{}, k string) bool { |
| _, ok := m[k] |
| return ok |
| } |
| |
| func isStringInSlice(s []string, what string) bool { |
| for i := range s { |
| if s[i] == what { |
| return true |
| } |
| } |
| return false |
| } |
| |
| // Practical when it comes to differentiate a float from an integer since JSON only knows numbers |
| // NOTE go's Parse(U)Int funcs accepts 1.0, 45.0 as integers |
| func isFloat64AnInteger(n float64) bool { |
| _, errInt := strconv.ParseInt(fmt.Sprintf("%v", n), 10, 64) |
| _, errUint := strconv.ParseUint(fmt.Sprintf("%v", n), 10, 64) |
| return errInt == nil || errUint == nil |
| } |
| |
| // formats a number so that it is displayed as the smallest string possible |
| func validationErrorFormatNumber(n float64) string { |
| |
| if isFloat64AnInteger(n) { |
| |
| valInt, errInt := strconv.ParseInt(fmt.Sprintf("%v", n), 10, 64) |
| valUint, errUint := strconv.ParseUint(fmt.Sprintf("%v", n), 10, 64) |
| |
| if errInt == nil { |
| return fmt.Sprintf("%v", valInt) |
| } else if errUint == nil { |
| return fmt.Sprintf("%v", valUint) |
| } |
| } |
| |
| return fmt.Sprintf("%g", n) |
| } |
| |
| func marshalToJsonString(value interface{}) (*string, error) { |
| |
| mBytes, err := json.Marshal(value) |
| if err != nil { |
| return nil, err |
| } |
| |
| sBytes := string(mBytes) |
| return &sBytes, nil |
| } |
| |
| const internalLogEnabled = true |
| |
| func internalLog(message string) { |
| if internalLogEnabled { |
| log.Print(message) |
| } |
| } |