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New,Update now support anchors and aliases

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This commit is contained in:
Mike Farah 2020-06-11 13:57:13 +10:00
parent 8c9c326342
commit 1405584892
9 changed files with 59 additions and 10 deletions
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2
cmd/constant.go
View File

@ -10,6 +10,8 @@ var printMode = "v"
var printLength = false
var unwrapScalar = true
var customStyle = ""
var anchorName = ""
var makeAlias = false
var stripComments = false
var collectIntoArray = false
var writeInplace = false

2
cmd/new.go
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@ -29,6 +29,8 @@ Note that you can give a create script to perform more sophisticated yaml. This
cmdNew.PersistentFlags().StringVarP(&writeScript, "script", "s", "", "yaml script for creating yaml")
cmdNew.PersistentFlags().StringVarP(&customTag, "tag", "t", "", "set yaml tag (e.g. !!int)")
cmdNew.PersistentFlags().StringVarP(&customStyle, "style", "", "", "formatting style of the value: single, double, folded, flow, literal, tagged")
cmdNew.PersistentFlags().StringVarP(&anchorName, "anchorName", "", "", "anchor name")
cmdNew.PersistentFlags().BoolVarP(&makeAlias, "makeAlias", "", false, "create an alias using the value as the anchor name")
return cmdNew
}

24
cmd/new_test.go
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@ -18,6 +18,30 @@ func TestNewCmd(t *testing.T) {
test.AssertResult(t, expectedOutput, result.Output)
}
func TestNewAnchorCmd(t *testing.T) {
cmd := getRootCommand()
result := test.RunCmd(cmd, "new b.c 3 --anchorName=fred")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: &fred 3
`
test.AssertResult(t, expectedOutput, result.Output)
}
func TestNewAliasCmd(t *testing.T) {
cmd := getRootCommand()
result := test.RunCmd(cmd, "new b.c foo --makeAlias")
if result.Error != nil {
t.Error(result.Error)
}
expectedOutput := `b:
c: *foo
`
test.AssertResult(t, expectedOutput, result.Output)
}
func TestNewArrayCmd(t *testing.T) {
cmd := getRootCommand()
result := test.RunCmd(cmd, "new b[0] 3")

4
cmd/utils.go
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@ -501,13 +501,13 @@ func readUpdateCommands(args []string, expectedArgs int, badArgsMessage string)
log.Debug("args %v", args)
log.Debug("path %v", args[expectedArgs-2])
log.Debug("Value %v", args[expectedArgs-1])
updateCommands[0] = yqlib.UpdateCommand{Command: "update", Path: args[expectedArgs-2], Value: valueParser.Parse(args[expectedArgs-1], customTag, customStyle), Overwrite: true}
updateCommands[0] = yqlib.UpdateCommand{Command: "update", Path: args[expectedArgs-2], Value: valueParser.Parse(args[expectedArgs-1], customTag, customStyle, anchorName, makeAlias), Overwrite: true}
} else if len(args) == expectedArgs-1 {
// don't update the value
updateCommands = make([]yqlib.UpdateCommand, 1)
log.Debug("args %v", args)
log.Debug("path %v", args[expectedArgs-2])
updateCommands[0] = yqlib.UpdateCommand{Command: "update", Path: args[expectedArgs-2], Value: valueParser.Parse("", customTag, customStyle), Overwrite: true, DontUpdateNodeValue: true}
updateCommands[0] = yqlib.UpdateCommand{Command: "update", Path: args[expectedArgs-2], Value: valueParser.Parse("", customTag, customStyle, anchorName, makeAlias), Overwrite: true, DontUpdateNodeValue: true}
} else {
return nil, errors.New(badArgsMessage)
}

2
cmd/write.go
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@ -47,6 +47,8 @@ format is list of update commands (update or delete) like so:
cmdWrite.PersistentFlags().StringVarP(&customTag, "tag", "t", "", "set yaml tag (e.g. !!int)")
cmdWrite.PersistentFlags().StringVarP(&docIndex, "doc", "d", "0", "process document index number (0 based, * for all documents)")
cmdWrite.PersistentFlags().StringVarP(&customStyle, "style", "", "", "formatting style of the value: single, double, folded, flow, literal, tagged")
cmdWrite.PersistentFlags().StringVarP(&anchorName, "anchorName", "", "", "anchor name")
cmdWrite.PersistentFlags().BoolVarP(&makeAlias, "makeAlias", "", false, "create an alias using the value as the anchor name")
return cmdWrite
}

2
pkg/yqlib/lib.go
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@ -48,7 +48,7 @@ func DebugNode(value *yaml.Node) {
log.Error("Error debugging node, %v", errorEncoding.Error())
}
encoder.Close()
log.Debug("Tag: %v, Kind: %v", value.Tag, KindString(value.Kind))
log.Debug("Tag: %v, Kind: %v, Anchor: %v", value.Tag, KindString(value.Kind), value.Anchor)
log.Debug("%v", buf.String())
}
}

2
pkg/yqlib/update_navigation_strategy.go
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@ -31,6 +31,8 @@ func UpdateNavigationStrategy(updateCommand UpdateCommand, autoCreate bool) Navi
node.Kind = changesToApply.Kind
node.Style = changesToApply.Style
node.Content = changesToApply.Content
node.Anchor = changesToApply.Anchor
node.Alias = changesToApply.Alias
node.HeadComment = changesToApply.HeadComment
node.LineComment = changesToApply.LineComment
node.FootComment = changesToApply.FootComment

14
pkg/yqlib/value_parser.go
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@ -5,7 +5,7 @@ import (
)
type ValueParser interface {
Parse(argument string, customTag string, customStyle string) *yaml.Node
Parse(argument string, customTag string, customStyle string, anchorName string, createAlias bool) *yaml.Node
}
type valueParser struct {
@ -15,7 +15,7 @@ func NewValueParser() ValueParser {
return &valueParser{}
}
func (v *valueParser) Parse(argument string, customTag string, customStyle string) *yaml.Node {
func (v *valueParser) Parse(argument string, customTag string, customStyle string, anchorName string, createAlias bool) *yaml.Node {
var style yaml.Style
if customStyle == "tagged" {
style = yaml.TaggedStyle
@ -32,9 +32,15 @@ func (v *valueParser) Parse(argument string, customTag string, customStyle strin
} else if customStyle != "" {
log.Error("Unknown style %v, ignoring", customStyle)
}
if argument == "[]" {
return &yaml.Node{Tag: "!!seq", Kind: yaml.SequenceNode, Style: style}
}
return &yaml.Node{Value: argument, Tag: customTag, Kind: yaml.ScalarNode, Style: style}
kind := yaml.ScalarNode
if createAlias {
kind = yaml.AliasNode
}
return &yaml.Node{Value: argument, Tag: customTag, Kind: kind, Style: style, Anchor: anchorName}
}

17
pkg/yqlib/value_parser_test.go
View File

@ -22,7 +22,7 @@ var parseStyleTests = []struct {
func TestValueParserStyleTag(t *testing.T) {
for _, tt := range parseStyleTests {
actual := NewValueParser().Parse("cat", "", tt.customStyle)
actual := NewValueParser().Parse("cat", "", tt.customStyle, "", false)
test.AssertResultWithContext(t, tt.expectedStyle, actual.Style, tt.customStyle)
}
}
@ -40,7 +40,7 @@ var parseValueTests = []struct {
func TestValueParserParse(t *testing.T) {
for _, tt := range parseValueTests {
actual := NewValueParser().Parse(tt.argument, tt.customTag, "")
actual := NewValueParser().Parse(tt.argument, tt.customTag, "", "", false)
test.AssertResultWithContext(t, tt.argument, actual.Value, tt.testDescription)
test.AssertResultWithContext(t, tt.expectedTag, actual.Tag, tt.testDescription)
test.AssertResult(t, yaml.ScalarNode, actual.Kind)
@ -48,7 +48,18 @@ func TestValueParserParse(t *testing.T) {
}
func TestValueParserParseEmptyArray(t *testing.T) {
actual := NewValueParser().Parse("[]", "", "")
actual := NewValueParser().Parse("[]", "", "", "", false)
test.AssertResult(t, "!!seq", actual.Tag)
test.AssertResult(t, yaml.SequenceNode, actual.Kind)
}
func TestValueParserParseAlias(t *testing.T) {
actual := NewValueParser().Parse("bob", "", "", "", true)
test.AssertResult(t, "bob", actual.Value)
test.AssertResult(t, yaml.AliasNode, actual.Kind)
}
func TestValueParserAnchorname(t *testing.T) {
actual := NewValueParser().Parse("caterpillar", "", "", "foo", false)
test.AssertResult(t, "foo", actual.Anchor)
}