github.com/cheshirekow/buildtools@v0.0.0-20200224190056-5d637702fe81/tables/jsonparser.go (about) 1 /* 2 Copyright 2017 Google Inc. All Rights Reserved. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package tables 18 19 import ( 20 "encoding/json" 21 "io/ioutil" 22 ) 23 24 type Definitions struct { 25 IsLabelArg map[string]bool 26 LabelBlacklist map[string]bool 27 IsListArg map[string]bool 28 IsSortableListArg map[string]bool 29 SortableBlacklist map[string]bool 30 SortableWhitelist map[string]bool 31 NamePriority map[string]int 32 StripLabelLeadingSlashes bool 33 ShortenAbsoluteLabelsToRelative bool 34 } 35 36 // ParseJSONDefinitions reads and parses JSON table definitions from file. 37 func ParseJSONDefinitions(file string) (Definitions, error) { 38 var definitions Definitions 39 40 data, err := ioutil.ReadFile(file) 41 if err != nil { 42 return definitions, err 43 } 44 45 err = json.Unmarshal(data, &definitions) 46 return definitions, err 47 } 48 49 // ParseAndUpdateJSONDefinitions reads definitions from file and merges or 50 // overrides the values in memory. 51 func ParseAndUpdateJSONDefinitions(file string, merge bool) error { 52 definitions, err := ParseJSONDefinitions(file) 53 if err != nil { 54 return err 55 } 56 57 if merge { 58 MergeTables(definitions.IsLabelArg, definitions.LabelBlacklist, definitions.IsListArg, definitions.IsSortableListArg, definitions.SortableBlacklist, definitions.SortableWhitelist, definitions.NamePriority, definitions.StripLabelLeadingSlashes, definitions.ShortenAbsoluteLabelsToRelative) 59 } else { 60 OverrideTables(definitions.IsLabelArg, definitions.LabelBlacklist, definitions.IsListArg, definitions.IsSortableListArg, definitions.SortableBlacklist, definitions.SortableWhitelist, definitions.NamePriority, definitions.StripLabelLeadingSlashes, definitions.ShortenAbsoluteLabelsToRelative) 61 } 62 return nil 63 }