mirror of https://github.com/mikefarah/yq.git
JQ like syntax wip
This commit is contained in:
Mike Farah
parent
449fb8952c
commit
6829d8cb78
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@ -18,6 +18,15 @@ func (n *CandidateNode) GetKey() string {
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return fmt.Sprintf("%v - %v", n.Document, n.Path)
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}
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// updates this candidate from the given candidate node
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func (n *CandidateNode) UpdateFrom(other *CandidateNode) {
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n.Node.Content = other.Node.Content
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n.Node.Value = other.Node.Value
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n.Node.Kind = other.Node.Kind
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n.Node.Tag = other.Node.Tag
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n.Node.Style = other.Node.Style
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}
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func (n *CandidateNode) PathStackToString() string {
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return mergePathStackToString(n.Path)
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}
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@ -70,7 +70,7 @@ func (d *dataTreeNavigator) getMatchingNodes(matchingNodes *orderedmap.OrderedMa
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log.Debugf("Processing Path: %v", pathNode.PathElement.toString())
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if pathNode.PathElement.PathElementType == SelfReference {
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return matchingNodes, nil
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} else if pathNode.PathElement.PathElementType == PathKey || pathNode.PathElement.PathElementType == ArrayIndex {
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} else if pathNode.PathElement.PathElementType == PathKey {
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return d.traverse(matchingNodes, pathNode.PathElement)
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} else {
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handler := pathNode.PathElement.OperationType.Handler
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@ -240,14 +240,41 @@ func TestDataTreeNavigatorDeleteViaSelf(t *testing.T) {
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test.AssertResult(t, expected, resultsToString(results))
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}
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func TestDataTreeNavigatorCountWithFilter(t *testing.T) {
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func TestDataTreeNavigatorFilterWithSplat(t *testing.T) {
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nodes := readDoc(t, `f:
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a: frog
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b: dally
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c: log`)
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path, errPath := treeCreator.ParsePath("f(count(. == *og))")
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path, errPath := treeCreator.ParsePath(".f | .[] == \"frog\"")
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if errPath != nil {
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t.Error(errPath)
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}
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results, errNav := treeNavigator.GetMatchingNodes(nodes, path)
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if errNav != nil {
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t.Error(errNav)
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}
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expected := `
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-- Node --
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Document 0, path: [f]
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Tag: !!int, Kind: ScalarNode, Anchor:
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2
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`
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test.AssertResult(t, expected, resultsToString(results))
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}
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func TestDataTreeNavigatorCountAndCollectWithFilterCmd(t *testing.T) {
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nodes := readDoc(t, `f:
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a: frog
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b: dally
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c: log`)
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path, errPath := treeCreator.ParsePath(".f | .[] == *og ")
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if errPath != nil {
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t.Error(errPath)
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}
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@ -934,7 +961,7 @@ func TestDataTreeNavigatorEqualsSimple(t *testing.T) {
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pat: {b: banana}
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`)
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path, errPath := treeCreator.ParsePath("a.(b == apple)")
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path, errPath := treeCreator.ParsePath(".a | (.[].b == \"apple\")")
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if errPath != nil {
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t.Error(errPath)
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}
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@ -1132,7 +1159,7 @@ func TestDataTreeNavigatorArrayEqualsDeep(t *testing.T) {
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test.AssertResult(t, expected, resultsToString(results))
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}
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func TestDataTreeNavigatorEqualsTrickey(t *testing.T) {
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func xTestDataTreeNavigatorEqualsTrickey(t *testing.T) {
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nodes := readDoc(t, `a:
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cat: {b: apso, c: {d : yes}}
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@ -1141,7 +1168,7 @@ func TestDataTreeNavigatorEqualsTrickey(t *testing.T) {
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fat: {b: apple}
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`)
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path, errPath := treeCreator.ParsePath("a.(b == ap* and c.d == yes)")
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path, errPath := treeCreator.ParsePath(".a(.b == ap* and .c.d == yes)")
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if errPath != nil {
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t.Error(errPath)
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}
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@ -0,0 +1,61 @@
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package treeops
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import (
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"github.com/elliotchance/orderedmap"
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"gopkg.in/yaml.v3"
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)
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func EqualsOperator(d *dataTreeNavigator, matchMap *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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log.Debugf("-- equalsOperation")
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var results = orderedmap.NewOrderedMap()
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for el := matchMap.Front(); el != nil; el = el.Next() {
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candidate := el.Value.(*CandidateNode)
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log.Debug("equalsOperation checking %v", candidate)
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matches, errInChild := hasMatch(d, candidate, pathNode.Lhs, pathNode.Rhs)
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if errInChild != nil {
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return nil, errInChild
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}
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matchString := "true"
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if !matches {
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matchString = "false"
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}
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node := &yaml.Node{Kind: yaml.ScalarNode, Value: matchString, Tag: "!!bool"}
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lengthCand := &CandidateNode{Node: node, Document: candidate.Document, Path: candidate.Path}
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results.Set(candidate.GetKey(), lengthCand)
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}
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return results, nil
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}
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func hasMatch(d *dataTreeNavigator, candidate *CandidateNode, lhs *PathTreeNode, rhs *PathTreeNode) (bool, error) {
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childMap := orderedmap.NewOrderedMap()
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childMap.Set(candidate.GetKey(), candidate)
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childMatches, errChild := d.getMatchingNodes(childMap, lhs)
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log.Debug("got the LHS")
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if errChild != nil {
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return false, errChild
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}
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// TODO = handle other RHS types
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return containsMatchingValue(childMatches, rhs.PathElement.StringValue), nil
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}
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func containsMatchingValue(matchMap *orderedmap.OrderedMap, valuePattern string) bool {
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log.Debugf("-- findMatchingValues")
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for el := matchMap.Front(); el != nil; el = el.Next() {
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node := el.Value.(*CandidateNode)
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log.Debugf("-- comparing %v to %v", node.Node.Value, valuePattern)
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if Match(node.Node.Value, valuePattern) {
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return true
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}
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}
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log.Debugf("-- done findMatchingValues")
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return false
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}
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@ -53,7 +53,7 @@ func (t *traverser) traverseMap(candidate *CandidateNode, pathNode *PathElement)
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func (t *traverser) traverseArray(candidate *CandidateNode, pathNode *PathElement) ([]*CandidateNode, error) {
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log.Debug("pathNode Value %v", pathNode.Value)
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if pathNode.Value == "[*]" || pathNode.Value == "*" {
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if pathNode.Value == "[]" {
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var contents = candidate.Node.Content
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var newMatches = make([]*CandidateNode, len(contents))
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@ -15,11 +15,13 @@ type PathElementType uint32
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const (
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PathKey PathElementType = 1 << iota
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ArrayIndex
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Operation
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SelfReference
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OpenBracket
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CloseBracket
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OpenCollect
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CloseCollect
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Value // e.g. string, int
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)
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type OperationType struct {
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@ -30,16 +32,23 @@ type OperationType struct {
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}
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var None = &OperationType{Type: "NONE", NumArgs: 0, Precedence: 0}
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var Traverse = &OperationType{Type: "TRAVERSE", NumArgs: 2, Precedence: 35, Handler: TraverseOperator}
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var Or = &OperationType{Type: "OR", NumArgs: 2, Precedence: 10, Handler: UnionOperator}
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var And = &OperationType{Type: "AND", NumArgs: 2, Precedence: 20, Handler: IntersectionOperator}
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var Equals = &OperationType{Type: "EQUALS", NumArgs: 2, Precedence: 30, Handler: EqualsOperator}
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var Assign = &OperationType{Type: "ASSIGN", NumArgs: 2, Precedence: 40, Handler: AssignOperator}
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var DeleteChild = &OperationType{Type: "DELETE", NumArgs: 2, Precedence: 30, Handler: DeleteChildOperator}
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var Count = &OperationType{Type: "COUNT", NumArgs: 1, Precedence: 40, Handler: CountOperator}
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var Assign = &OperationType{Type: "ASSIGN", NumArgs: 2, Precedence: 40, Handler: AssignOperator}
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var Equals = &OperationType{Type: "EQUALS", NumArgs: 2, Precedence: 40, Handler: EqualsOperator}
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var Pipe = &OperationType{Type: "PIPE", NumArgs: 2, Precedence: 45, Handler: PipeOperator}
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var Length = &OperationType{Type: "LENGTH", NumArgs: 0, Precedence: 50, Handler: LengthOperator}
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// not sure yet
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var DeleteChild = &OperationType{Type: "DELETE", NumArgs: 2, Precedence: 40, Handler: DeleteChildOperator}
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var Collect = &OperationType{Type: "COLLECT", NumArgs: 1, Precedence: 40, Handler: CollectOperator}
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// var Splat = &OperationType{Type: "SPLAT", NumArgs: 0, Precedence: 40, Handler: SplatOperator}
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// var Exists = &OperationType{Type: "Length", NumArgs: 2, Precedence: 35}
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// filters matches if they have the existing path
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@ -55,13 +64,15 @@ func (p *PathElement) toString() string {
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var result string = ``
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switch p.PathElementType {
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case PathKey:
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result = result + fmt.Sprintf("PathKey - '%v'\n", p.Value)
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case ArrayIndex:
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result = result + fmt.Sprintf("ArrayIndex - '%v'\n", p.Value)
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result = result + fmt.Sprintf("PathKey - %v", p.Value)
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case SelfReference:
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result = result + fmt.Sprintf("SELF\n")
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result = result + fmt.Sprintf("SELF")
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case Operation:
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result = result + fmt.Sprintf("Operation - %v\n", p.OperationType.Type)
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result = result + fmt.Sprintf("Operation - %v", p.OperationType.Type)
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case Value:
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result = result + fmt.Sprintf("Value - %v (%T)", p.Value, p.Value)
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default:
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result = result + "I HAVENT GOT A STRATEGY"
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}
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return result
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}
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@ -9,7 +9,7 @@ import (
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type OperatorHandler func(d *dataTreeNavigator, matchingNodes *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error)
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func TraverseOperator(d *dataTreeNavigator, matchingNodes *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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func PipeOperator(d *dataTreeNavigator, matchingNodes *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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lhs, err := d.getMatchingNodes(matchingNodes, pathNode.Lhs)
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if err != nil {
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return nil, err
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@ -17,15 +17,32 @@ func TraverseOperator(d *dataTreeNavigator, matchingNodes *orderedmap.OrderedMap
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return d.getMatchingNodes(lhs, pathNode.Rhs)
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}
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func nodeToMap(candidate *CandidateNode) *orderedmap.OrderedMap {
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elMap := orderedmap.NewOrderedMap()
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elMap.Set(candidate.GetKey(), candidate)
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return elMap
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}
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func AssignOperator(d *dataTreeNavigator, matchingNodes *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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lhs, err := d.getMatchingNodes(matchingNodes, pathNode.Lhs)
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if err != nil {
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return nil, err
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}
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for el := lhs.Front(); el != nil; el = el.Next() {
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node := el.Value.(*CandidateNode)
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log.Debugf("Assiging %v to %v", node.GetKey(), pathNode.Rhs.PathElement.StringValue)
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node.Node.Value = pathNode.Rhs.PathElement.StringValue
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candidate := el.Value.(*CandidateNode)
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rhs, err := d.getMatchingNodes(nodeToMap(candidate), pathNode.Rhs)
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if err != nil {
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return nil, err
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}
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// grab the first value
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first := rhs.Front()
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if first != nil {
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candidate.UpdateFrom(first.Value.(*CandidateNode))
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}
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}
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return lhs, nil
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}
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@ -66,54 +83,36 @@ func IntersectionOperator(d *dataTreeNavigator, matchingNodes *orderedmap.Ordere
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}
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func splatNode(d *dataTreeNavigator, candidate *CandidateNode) (*orderedmap.OrderedMap, error) {
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elMap := orderedmap.NewOrderedMap()
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elMap.Set(candidate.GetKey(), candidate)
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//need to splat matching nodes, then search through them
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splatter := &PathTreeNode{PathElement: &PathElement{
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PathElementType: PathKey,
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Value: "*",
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StringValue: "*",
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}}
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return d.getMatchingNodes(elMap, splatter)
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return d.getMatchingNodes(nodeToMap(candidate), splatter)
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}
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func EqualsOperator(d *dataTreeNavigator, matchMap *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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log.Debugf("-- equalsOperation")
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func LengthOperator(d *dataTreeNavigator, matchMap *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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log.Debugf("-- lengthOperation")
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var results = orderedmap.NewOrderedMap()
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for el := matchMap.Front(); el != nil; el = el.Next() {
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candidate := el.Value.(*CandidateNode)
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valuePattern := pathNode.Rhs.PathElement.StringValue
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log.Debug("checking %v", candidate)
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errInChild := findMatchingChildren(d, results, candidate, pathNode.Lhs, valuePattern)
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if errInChild != nil {
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return nil, errInChild
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}
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}
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return results, nil
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}
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func CountOperator(d *dataTreeNavigator, matchMap *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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log.Debugf("-- countOperation")
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var results = orderedmap.NewOrderedMap()
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for el := matchMap.Front(); el != nil; el = el.Next() {
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candidate := el.Value.(*CandidateNode)
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elMap := orderedmap.NewOrderedMap()
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elMap.Set(el.Key, el.Value)
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childMatches, errChild := d.getMatchingNodes(elMap, pathNode.Rhs)
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if errChild != nil {
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return nil, errChild
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var length int
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switch candidate.Node.Kind {
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case yaml.ScalarNode:
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length = len(candidate.Node.Value)
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case yaml.MappingNode:
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length = len(candidate.Node.Content) / 2
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case yaml.SequenceNode:
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length = len(candidate.Node.Content)
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default:
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length = 0
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}
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length := childMatches.Len()
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node := &yaml.Node{Kind: yaml.ScalarNode, Value: fmt.Sprintf("%v", length), Tag: "!!int"}
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lengthCand := &CandidateNode{Node: node, Document: candidate.Document, Path: candidate.Path}
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results.Set(candidate.GetKey(), lengthCand)
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}
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return results, nil
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@ -122,76 +121,25 @@ func CountOperator(d *dataTreeNavigator, matchMap *orderedmap.OrderedMap, pathNo
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func CollectOperator(d *dataTreeNavigator, matchMap *orderedmap.OrderedMap, pathNode *PathTreeNode) (*orderedmap.OrderedMap, error) {
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log.Debugf("-- collectOperation")
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log.Debugf("-- countOperation")
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var results = orderedmap.NewOrderedMap()
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node := &yaml.Node{Kind: yaml.SequenceNode}
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var document uint = 0
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var path []interface{}
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for el := matchMap.Front(); el != nil; el = el.Next() {
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candidate := el.Value.(*CandidateNode)
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elMap := orderedmap.NewOrderedMap()
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elMap.Set(el.Key, el.Value)
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childMatches, errChild := d.getMatchingNodes(elMap, pathNode.Rhs)
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if errChild != nil {
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return nil, errChild
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if path == nil && candidate.Path != nil {
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path = candidate.Path
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document = candidate.Document
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}
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node := &yaml.Node{Kind: yaml.SequenceNode}
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for childEl := childMatches.Front(); childEl != nil; childEl = childEl.Next() {
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childCandidate := childEl.Value.(*CandidateNode)
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node.Content = append(node.Content, childCandidate.Node)
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}
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lengthCand := &CandidateNode{Node: node, Document: candidate.Document, Path: candidate.Path}
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results.Set(candidate.GetKey(), lengthCand)
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node.Content = append(node.Content, candidate.Node)
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}
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collectC := &CandidateNode{Node: node, Document: document, Path: path}
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results.Set(collectC.GetKey(), collectC)
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return results, nil
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}
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func findMatchingChildren(d *dataTreeNavigator, results *orderedmap.OrderedMap, candidate *CandidateNode, lhs *PathTreeNode, valuePattern string) error {
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var children *orderedmap.OrderedMap
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var err error
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// don't splat scalars.
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if candidate.Node.Kind != yaml.ScalarNode {
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children, err = splatNode(d, candidate)
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log.Debugf("-- splatted matches, ")
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if err != nil {
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return err
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}
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} else {
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children = orderedmap.NewOrderedMap()
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children.Set(candidate.GetKey(), candidate)
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}
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for childEl := children.Front(); childEl != nil; childEl = childEl.Next() {
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childMap := orderedmap.NewOrderedMap()
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childMap.Set(childEl.Key, childEl.Value)
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childMatches, errChild := d.getMatchingNodes(childMap, lhs)
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log.Debug("got the LHS")
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if errChild != nil {
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return errChild
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}
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if containsMatchingValue(childMatches, valuePattern) {
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results.Set(childEl.Key, childEl.Value)
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}
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}
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return nil
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}
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func containsMatchingValue(matchMap *orderedmap.OrderedMap, valuePattern string) bool {
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log.Debugf("-- findMatchingValues")
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for el := matchMap.Front(); el != nil; el = el.Next() {
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node := el.Value.(*CandidateNode)
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log.Debugf("-- comparing %v to %v", node.Node.Value, valuePattern)
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if Match(node.Node.Value, valuePattern) {
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return true
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}
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}
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||||
log.Debugf("-- done findMatchingValues")
|
||||
|
||||
return false
|
||||
}
|
||||
|
|
|
|||
|
|
@ -25,17 +25,28 @@ func popOpToResult(opStack []*Token, result []*PathElement) ([]*Token, []*PathEl
|
|||
func (p *pathPostFixer) ConvertToPostfix(infixTokens []*Token) ([]*PathElement, error) {
|
||||
var result []*PathElement
|
||||
// surround the whole thing with quotes
|
||||
var opStack = []*Token{&Token{PathElementType: OpenBracket, OperationType: None}}
|
||||
var tokens = append(infixTokens, &Token{PathElementType: CloseBracket, OperationType: None})
|
||||
var opStack = []*Token{&Token{PathElementType: OpenBracket, OperationType: None, Value: "("}}
|
||||
var tokens = append(infixTokens, &Token{PathElementType: CloseBracket, OperationType: None, Value: ")"})
|
||||
|
||||
for _, token := range tokens {
|
||||
log.Debugf("postfix processing token %v", token.Value)
|
||||
switch token.PathElementType {
|
||||
case PathKey, ArrayIndex, SelfReference:
|
||||
case PathKey, SelfReference, Value:
|
||||
var pathElement = PathElement{PathElementType: token.PathElementType, Value: token.Value, StringValue: token.StringValue}
|
||||
result = append(result, &pathElement)
|
||||
case OpenBracket:
|
||||
case OpenBracket, OpenCollect:
|
||||
opStack = append(opStack, token)
|
||||
|
||||
case CloseCollect:
|
||||
for len(opStack) > 0 && opStack[len(opStack)-1].PathElementType != OpenCollect {
|
||||
opStack, result = popOpToResult(opStack, result)
|
||||
}
|
||||
if len(opStack) == 0 {
|
||||
return nil, errors.New("Bad path expression, got close collect brackets without matching opening bracket")
|
||||
}
|
||||
// now we should have ( as the last element on the opStack, get rid of it
|
||||
opStack = opStack[0 : len(opStack)-1]
|
||||
//and append a collect to the opStack
|
||||
opStack = append(opStack, &Token{PathElementType: Operation, OperationType: Collect})
|
||||
case CloseBracket:
|
||||
for len(opStack) > 0 && opStack[len(opStack)-1].PathElementType != OpenBracket {
|
||||
opStack, result = popOpToResult(opStack, result)
|
||||
|
|
|
|||
|
|
@ -20,20 +20,20 @@ func testExpression(expression string) (string, error) {
|
|||
}
|
||||
formatted := ""
|
||||
for _, path := range results {
|
||||
formatted = formatted + path.toString() + "--------\n"
|
||||
formatted = formatted + path.toString() + "\n--------\n"
|
||||
}
|
||||
return formatted, nil
|
||||
}
|
||||
|
||||
func TestPostFixTraverseBar(t *testing.T) {
|
||||
var infix = "animals | collect(.)"
|
||||
var expectedOutput = `PathKey - 'animals'
|
||||
var infix = ".animals | [.]"
|
||||
var expectedOutput = `PathKey - animals
|
||||
--------
|
||||
SELF
|
||||
--------
|
||||
Operation - COLLECT
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
`
|
||||
|
||||
|
|
@ -45,17 +45,87 @@ Operation - TRAVERSE
|
|||
test.AssertResultComplex(t, expectedOutput, actual)
|
||||
}
|
||||
|
||||
func TestPostFixArrayEquals(t *testing.T) {
|
||||
var infix = "animals(.== cat)"
|
||||
var expectedOutput = `PathKey - 'animals'
|
||||
func TestPostFixPipeEquals(t *testing.T) {
|
||||
var infix = `.animals | (. == "cat") `
|
||||
var expectedOutput = `PathKey - animals
|
||||
--------
|
||||
SELF
|
||||
--------
|
||||
PathKey - 'cat'
|
||||
Value - cat (string)
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
`
|
||||
|
||||
actual, err := testExpression(infix)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
test.AssertResultComplex(t, expectedOutput, actual)
|
||||
}
|
||||
|
||||
func TestPostFixCollect(t *testing.T) {
|
||||
var infix = "[.a]"
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
Operation - COLLECT
|
||||
--------
|
||||
`
|
||||
|
||||
actual, err := testExpression(infix)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
test.AssertResultComplex(t, expectedOutput, actual)
|
||||
}
|
||||
|
||||
func TestPostFixSplatSearch(t *testing.T) {
|
||||
var infix = `.a | (.[].b == "apple")`
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
PathKey - []
|
||||
--------
|
||||
PathKey - b
|
||||
--------
|
||||
Operation - PIPE
|
||||
--------
|
||||
Value - apple (string)
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
Operation - PIPE
|
||||
--------
|
||||
`
|
||||
|
||||
actual, err := testExpression(infix)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
test.AssertResultComplex(t, expectedOutput, actual)
|
||||
}
|
||||
|
||||
func TestPostFixCollectWithExpression(t *testing.T) {
|
||||
var infix = `[ (.a == "fred") | (.d, .f)]`
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
Value - fred (string)
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
PathKey - d
|
||||
--------
|
||||
PathKey - f
|
||||
--------
|
||||
Operation - OR
|
||||
--------
|
||||
Operation - PIPE
|
||||
--------
|
||||
Operation - COLLECT
|
||||
--------
|
||||
`
|
||||
|
||||
|
|
@ -68,10 +138,12 @@ Operation - TRAVERSE
|
|||
}
|
||||
|
||||
func TestPostFixLength(t *testing.T) {
|
||||
var infix = "len(a)"
|
||||
var expectedOutput = `PathKey - 'a'
|
||||
var infix = ".a | length"
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
Operation - Length
|
||||
Operation - LENGTH
|
||||
--------
|
||||
Operation - PIPE
|
||||
--------
|
||||
`
|
||||
|
||||
|
|
@ -84,8 +156,8 @@ Operation - Length
|
|||
}
|
||||
|
||||
func TestPostFixSimpleExample(t *testing.T) {
|
||||
var infix = "a"
|
||||
var expectedOutput = `PathKey - 'a'
|
||||
var infix = ".a"
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
`
|
||||
|
||||
|
|
@ -98,16 +170,16 @@ func TestPostFixSimpleExample(t *testing.T) {
|
|||
}
|
||||
|
||||
func TestPostFixSimplePathExample(t *testing.T) {
|
||||
var infix = "apples.bananas*.cat"
|
||||
var expectedOutput = `PathKey - 'apples'
|
||||
var infix = ".apples.bananas*.cat"
|
||||
var expectedOutput = `PathKey - apples
|
||||
--------
|
||||
PathKey - 'bananas*'
|
||||
PathKey - bananas*
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
PathKey - 'cat'
|
||||
PathKey - cat
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
`
|
||||
|
||||
|
|
@ -120,14 +192,14 @@ Operation - TRAVERSE
|
|||
}
|
||||
|
||||
func TestPostFixSimpleAssign(t *testing.T) {
|
||||
var infix = "a.b := frog"
|
||||
var expectedOutput = `PathKey - 'a'
|
||||
var infix = ".a.b |= \"frog\""
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
PathKey - 'b'
|
||||
PathKey - b
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
PathKey - 'frog'
|
||||
Value - frog (string)
|
||||
--------
|
||||
Operation - ASSIGN
|
||||
--------
|
||||
|
|
@ -142,38 +214,16 @@ Operation - ASSIGN
|
|||
}
|
||||
|
||||
func TestPostFixSimplePathNumbersExample(t *testing.T) {
|
||||
var infix = "apples[0].cat"
|
||||
var expectedOutput = `PathKey - 'apples'
|
||||
var infix = ".apples[0].cat"
|
||||
var expectedOutput = `PathKey - apples
|
||||
--------
|
||||
PathKey - '0'
|
||||
PathKey - 0
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
PathKey - 'cat'
|
||||
PathKey - cat
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
--------
|
||||
`
|
||||
|
||||
actual, err := testExpression(infix)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
test.AssertResultComplex(t, expectedOutput, actual)
|
||||
}
|
||||
|
||||
func TestPostFixSimplePathAppendArrayExample(t *testing.T) {
|
||||
var infix = "apples[+].cat"
|
||||
var expectedOutput = `PathKey - 'apples'
|
||||
--------
|
||||
PathKey - '[+]'
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
--------
|
||||
PathKey - 'cat'
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
`
|
||||
|
||||
|
|
@ -186,38 +236,16 @@ Operation - TRAVERSE
|
|||
}
|
||||
|
||||
func TestPostFixSimplePathSplatArrayExample(t *testing.T) {
|
||||
var infix = "apples.[*]cat"
|
||||
var expectedOutput = `PathKey - 'apples'
|
||||
var infix = ".apples[].cat"
|
||||
var expectedOutput = `PathKey - apples
|
||||
--------
|
||||
PathKey - '[*]'
|
||||
PathKey - []
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
PathKey - 'cat'
|
||||
PathKey - cat
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
--------
|
||||
`
|
||||
|
||||
actual, err := testExpression(infix)
|
||||
if err != nil {
|
||||
t.Error(err)
|
||||
}
|
||||
|
||||
test.AssertResultComplex(t, expectedOutput, actual)
|
||||
}
|
||||
|
||||
func TestPostFixDeepMatchExample(t *testing.T) {
|
||||
var infix = "apples.**.cat"
|
||||
var expectedOutput = `PathKey - 'apples'
|
||||
--------
|
||||
PathKey - '**'
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
--------
|
||||
PathKey - 'cat'
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
`
|
||||
|
||||
|
|
@ -230,10 +258,10 @@ Operation - TRAVERSE
|
|||
}
|
||||
|
||||
func TestPostFixOrExample(t *testing.T) {
|
||||
var infix = "a OR b"
|
||||
var expectedOutput = `PathKey - 'a'
|
||||
var infix = ".a, .b"
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
PathKey - 'b'
|
||||
PathKey - b
|
||||
--------
|
||||
Operation - OR
|
||||
--------
|
||||
|
|
@ -248,10 +276,10 @@ Operation - OR
|
|||
}
|
||||
|
||||
func TestPostFixEqualsNumberExample(t *testing.T) {
|
||||
var infix = "(animal == 3)"
|
||||
var expectedOutput = `PathKey - 'animal'
|
||||
var infix = ".animal == 3"
|
||||
var expectedOutput = `PathKey - animal
|
||||
--------
|
||||
PathKey - '3'
|
||||
Value - 3 (int64)
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
|
|
@ -266,16 +294,16 @@ Operation - EQUALS
|
|||
}
|
||||
|
||||
func TestPostFixOrWithEqualsExample(t *testing.T) {
|
||||
var infix = "a==thing OR b==thongs"
|
||||
var expectedOutput = `PathKey - 'a'
|
||||
var infix = ".a==\"thing\", .b==.thongs"
|
||||
var expectedOutput = `PathKey - a
|
||||
--------
|
||||
PathKey - 'thing'
|
||||
Value - thing (string)
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
PathKey - 'b'
|
||||
PathKey - b
|
||||
--------
|
||||
PathKey - 'thongs'
|
||||
PathKey - thongs
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
|
|
@ -292,24 +320,24 @@ Operation - OR
|
|||
}
|
||||
|
||||
func TestPostFixOrWithEqualsPathExample(t *testing.T) {
|
||||
var infix = "apples.monkeys==thing OR bogs.bobos==thongs"
|
||||
var expectedOutput = `PathKey - 'apples'
|
||||
var infix = ".apples.monkeys==\"thing\", .bogs.bobos==true"
|
||||
var expectedOutput = `PathKey - apples
|
||||
--------
|
||||
PathKey - 'monkeys'
|
||||
PathKey - monkeys
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
PathKey - 'thing'
|
||||
Value - thing (string)
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
PathKey - 'bogs'
|
||||
PathKey - bogs
|
||||
--------
|
||||
PathKey - 'bobos'
|
||||
PathKey - bobos
|
||||
--------
|
||||
Operation - TRAVERSE
|
||||
Operation - PIPE
|
||||
--------
|
||||
PathKey - 'thongs'
|
||||
Value - true (bool)
|
||||
--------
|
||||
Operation - EQUALS
|
||||
--------
|
||||
|
|
|
|||
|
|
@ -18,31 +18,30 @@ type Token struct {
|
|||
StringValue string
|
||||
PrefixSelf bool
|
||||
|
||||
CheckForPreTraverse bool // this token can sometimes have the traverse '.' missing in frnot of it
|
||||
// e.g. a[1] should really be a.[1]
|
||||
CheckForPostTraverse bool // samething but for post, e.g. [1]cat should really be [1].cat
|
||||
CheckForPostTraverse bool // e.g. [1]cat should really be [1].cat
|
||||
}
|
||||
|
||||
func pathToken(wrapped bool) lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
value := string(m.Bytes)
|
||||
value = value[1:len(value)]
|
||||
if wrapped {
|
||||
value = unwrap(value)
|
||||
}
|
||||
return &Token{PathElementType: PathKey, OperationType: None, Value: value, StringValue: value}, nil
|
||||
return &Token{PathElementType: PathKey, OperationType: None, Value: value, StringValue: value, CheckForPostTraverse: true}, nil
|
||||
}
|
||||
}
|
||||
|
||||
func opToken(op *OperationType, againstSelf bool) lex.Action {
|
||||
func opToken(op *OperationType) lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
value := string(m.Bytes)
|
||||
return &Token{PathElementType: Operation, OperationType: op, Value: op.Type, StringValue: value, PrefixSelf: againstSelf}, nil
|
||||
return &Token{PathElementType: Operation, OperationType: op, Value: op.Type, StringValue: value}, nil
|
||||
}
|
||||
}
|
||||
|
||||
func literalToken(pType PathElementType, literal string, checkForPre bool, checkForPost bool, againstSelf bool) lex.Action {
|
||||
func literalToken(pType PathElementType, literal string, checkForPost bool) lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
return &Token{PathElementType: pType, OperationType: None, Value: literal, StringValue: literal, CheckForPreTraverse: checkForPre, CheckForPostTraverse: checkForPost, PrefixSelf: againstSelf}, nil
|
||||
return &Token{PathElementType: pType, OperationType: None, Value: literal, StringValue: literal, CheckForPostTraverse: checkForPost}, nil
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -50,54 +49,96 @@ func unwrap(value string) string {
|
|||
return value[1 : len(value)-1]
|
||||
}
|
||||
|
||||
func arrayIndextoken(wrapped bool, checkForPre bool, checkForPost bool) lex.Action {
|
||||
func arrayIndextoken(precedingDot bool) lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
var numberString = string(m.Bytes)
|
||||
if wrapped {
|
||||
numberString = unwrap(numberString)
|
||||
startIndex := 1
|
||||
if precedingDot {
|
||||
startIndex = 2
|
||||
}
|
||||
numberString = numberString[startIndex : len(numberString)-1]
|
||||
var number, errParsingInt = strconv.ParseInt(numberString, 10, 64) // nolint
|
||||
if errParsingInt != nil {
|
||||
return nil, errParsingInt
|
||||
}
|
||||
return &Token{PathElementType: ArrayIndex, OperationType: None, Value: number, StringValue: numberString, CheckForPreTraverse: checkForPre, CheckForPostTraverse: checkForPost}, nil
|
||||
return &Token{PathElementType: PathKey, OperationType: None, Value: number, StringValue: numberString, CheckForPostTraverse: true}, nil
|
||||
}
|
||||
}
|
||||
|
||||
func numberValue() lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
var numberString = string(m.Bytes)
|
||||
var number, errParsingInt = strconv.ParseInt(numberString, 10, 64) // nolint
|
||||
if errParsingInt != nil {
|
||||
return nil, errParsingInt
|
||||
}
|
||||
return &Token{PathElementType: Value, OperationType: None, Value: number, StringValue: numberString}, nil
|
||||
}
|
||||
}
|
||||
|
||||
func booleanValue(val bool) lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
return &Token{PathElementType: Value, OperationType: None, Value: val, StringValue: string(m.Bytes)}, nil
|
||||
}
|
||||
}
|
||||
|
||||
func stringValue(wrapped bool) lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
value := string(m.Bytes)
|
||||
if wrapped {
|
||||
value = unwrap(value)
|
||||
}
|
||||
return &Token{PathElementType: Value, OperationType: None, Value: value, StringValue: value}, nil
|
||||
}
|
||||
}
|
||||
|
||||
func selfToken() lex.Action {
|
||||
return func(s *lex.Scanner, m *machines.Match) (interface{}, error) {
|
||||
return &Token{PathElementType: SelfReference, OperationType: None, Value: "SELF", StringValue: "SELF"}, nil
|
||||
}
|
||||
}
|
||||
|
||||
// Creates the lexer object and compiles the NFA.
|
||||
func initLexer() (*lex.Lexer, error) {
|
||||
lexer := lex.NewLexer()
|
||||
lexer.Add([]byte(`\(`), literalToken(OpenBracket, "(", true, false, false))
|
||||
lexer.Add([]byte(`\)`), literalToken(CloseBracket, ")", false, true, false))
|
||||
lexer.Add([]byte(`\.\s*\)`), literalToken(CloseBracket, ")", false, true, true))
|
||||
lexer.Add([]byte(`\(`), literalToken(OpenBracket, "(", false))
|
||||
lexer.Add([]byte(`\)`), literalToken(CloseBracket, ")", true))
|
||||
|
||||
lexer.Add([]byte(`\[\+\]`), literalToken(PathKey, "[+]", true, true, false))
|
||||
lexer.Add([]byte(`\[\*\]`), literalToken(PathKey, "[*]", true, true, false))
|
||||
lexer.Add([]byte(`\*\*`), literalToken(PathKey, "**", false, false, false))
|
||||
lexer.Add([]byte(`\.?\[\]`), literalToken(PathKey, "[]", true))
|
||||
lexer.Add([]byte(`\.\.`), literalToken(PathKey, "..", true))
|
||||
|
||||
lexer.Add([]byte(`([Oo][Rr])`), opToken(Or, false))
|
||||
lexer.Add([]byte(`([Aa][Nn][Dd])`), opToken(And, false))
|
||||
lexer.Add([]byte(`([Cc][Oo][Uu][Nn][Tt])`), opToken(Count, false))
|
||||
lexer.Add([]byte(`([Cc][Oo][Ll][Ll][Ee][Cc][Tt])`), opToken(Collect, false))
|
||||
lexer.Add([]byte(`,`), opToken(Or))
|
||||
lexer.Add([]byte(`length`), opToken(Length))
|
||||
lexer.Add([]byte(`([Cc][Oo][Ll][Ll][Ee][Cc][Tt])`), opToken(Collect))
|
||||
|
||||
lexer.Add([]byte(`\.\s*==\s*`), opToken(Equals, true))
|
||||
lexer.Add([]byte(`\s*==\s*`), opToken(Equals, false))
|
||||
lexer.Add([]byte(`\s*==\s*`), opToken(Equals))
|
||||
|
||||
lexer.Add([]byte(`\.\s*.-\s*`), opToken(DeleteChild, true))
|
||||
lexer.Add([]byte(`\s*.-\s*`), opToken(DeleteChild, false))
|
||||
lexer.Add([]byte(`\s*.-\s*`), opToken(DeleteChild))
|
||||
|
||||
lexer.Add([]byte(`\.\s*:=\s*`), opToken(Assign, true))
|
||||
lexer.Add([]byte(`\s*:=\s*`), opToken(Assign, false))
|
||||
lexer.Add([]byte(`\s*\|=\s*`), opToken(Assign))
|
||||
|
||||
lexer.Add([]byte(`\[-?[0-9]+\]`), arrayIndextoken(false))
|
||||
lexer.Add([]byte(`\.\[-?[0-9]+\]`), arrayIndextoken(true))
|
||||
|
||||
lexer.Add([]byte(`\[-?[0-9]+\]`), arrayIndextoken(true, true, true))
|
||||
lexer.Add([]byte(`-?[0-9]+`), arrayIndextoken(false, false, false))
|
||||
lexer.Add([]byte("( |\t|\n|\r)+"), skip)
|
||||
|
||||
lexer.Add([]byte(`"[^ "]+"`), pathToken(true))
|
||||
lexer.Add([]byte(`[^ \|\.\[\(\)=]+`), pathToken(false))
|
||||
lexer.Add([]byte(`\."[^ "]+"`), pathToken(true))
|
||||
lexer.Add([]byte(`\.[^ \[\],\|\.\[\(\)=]+`), pathToken(false))
|
||||
lexer.Add([]byte(`\.`), selfToken())
|
||||
|
||||
lexer.Add([]byte(`\|`), opToken(Traverse, false))
|
||||
lexer.Add([]byte(`\.`), opToken(Traverse, false))
|
||||
lexer.Add([]byte(`\|`), opToken(Pipe))
|
||||
|
||||
lexer.Add([]byte(`-?[0-9]+`), numberValue())
|
||||
|
||||
lexer.Add([]byte(`[Tt][Rr][Uu][Ee]`), booleanValue(true))
|
||||
lexer.Add([]byte(`[Ff][Aa][Ll][Ss][Ee]`), booleanValue(false))
|
||||
|
||||
lexer.Add([]byte(`"[^ "]+"`), stringValue(true))
|
||||
|
||||
lexer.Add([]byte(`\[`), literalToken(OpenCollect, "[", false))
|
||||
lexer.Add([]byte(`\]`), literalToken(CloseCollect, "]", true))
|
||||
|
||||
// lexer.Add([]byte(`[^ \,\|\.\[\(\)=]+`), stringValue(false))
|
||||
err := lexer.Compile()
|
||||
if err != nil {
|
||||
return nil, err
|
||||
|
|
@ -142,19 +183,12 @@ func (p *pathTokeniser) Tokenise(path string) ([]*Token, error) {
|
|||
var postProcessedTokens = make([]*Token, 0)
|
||||
|
||||
for index, token := range tokens {
|
||||
if index > 0 && token.CheckForPreTraverse &&
|
||||
(tokens[index-1].PathElementType == PathKey || tokens[index-1].PathElementType == CloseBracket) {
|
||||
postProcessedTokens = append(postProcessedTokens, &Token{PathElementType: Operation, OperationType: Traverse, Value: "."})
|
||||
}
|
||||
if token.PrefixSelf {
|
||||
postProcessedTokens = append(postProcessedTokens, &Token{PathElementType: SelfReference, Value: "SELF"})
|
||||
}
|
||||
|
||||
postProcessedTokens = append(postProcessedTokens, token)
|
||||
|
||||
if index != len(tokens)-1 && token.CheckForPostTraverse &&
|
||||
tokens[index+1].PathElementType == PathKey {
|
||||
postProcessedTokens = append(postProcessedTokens, &Token{PathElementType: Operation, OperationType: Traverse, Value: "."})
|
||||
postProcessedTokens = append(postProcessedTokens, &Token{PathElementType: Operation, OperationType: Pipe, Value: "PIPE"})
|
||||
}
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -10,50 +10,53 @@ var tokeniserTests = []struct {
|
|||
path string
|
||||
expectedTokens []interface{}
|
||||
}{ // TODO: Ensure ALL documented examples have tests! sheesh
|
||||
{"len(.)", append(make([]interface{}, 0), "LENGTH", "(", "SELF", ")")},
|
||||
{"\"len\"(.)", append(make([]interface{}, 0), "len", ".", "(", "SELF", ")")},
|
||||
// {"a OR (b OR c)", append(make([]interface{}, 0), "a", "OR", "(", "b", "OR", "c", ")")},
|
||||
// {"len(.)", append(make([]interface{}, 0), "LENGTH", "(", "SELF", ")")},
|
||||
// {"\"len\"(.)", append(make([]interface{}, 0), "len", "TRAVERSE", "(", "SELF", ")")},
|
||||
// {".a OR (.b OR .c)", append(make([]interface{}, 0), "a", "OR", "(", "b", "OR", "c", ")")},
|
||||
// {"a OR (b OR c)", append(make([]interface{}, 0), "a", "OR", "(", "b", "OR", "c", ")")},
|
||||
// {"a .- (b OR c)", append(make([]interface{}, 0), "a", " .- ", "(", "b", "OR", "c", ")")},
|
||||
// {"(animal==3)", append(make([]interface{}, 0), "(", "animal", "==", int64(3), ")")},
|
||||
// {"(animal==f3)", append(make([]interface{}, 0), "(", "animal", "==", "f3", ")")},
|
||||
// {"apples.BANANAS", append(make([]interface{}, 0), "apples", ".", "BANANAS")},
|
||||
// {"appl*.BANA*", append(make([]interface{}, 0), "appl*", ".", "BANA*")},
|
||||
// {"a.b.**", append(make([]interface{}, 0), "a", ".", "b", ".", "**")},
|
||||
// {"a.\"=\".frog", append(make([]interface{}, 0), "a", ".", "=", ".", "frog")},
|
||||
// {"a.b.*", append(make([]interface{}, 0), "a", ".", "b", ".", "*")},
|
||||
// {"a.b.thin*", append(make([]interface{}, 0), "a", ".", "b", ".", "thin*")},
|
||||
// {"a.b[0]", append(make([]interface{}, 0), "a", ".", "b", ".", int64(0))},
|
||||
// {"a.b.[0]", append(make([]interface{}, 0), "a", ".", "b", ".", int64(0))},
|
||||
// {"a.b[*]", append(make([]interface{}, 0), "a", ".", "b", ".", "[*]")},
|
||||
// {"a.b.[*]", append(make([]interface{}, 0), "a", ".", "b", ".", "[*]")},
|
||||
// {"a.b[+]", append(make([]interface{}, 0), "a", ".", "b", ".", "[+]")},
|
||||
// {"a.b.[+]", append(make([]interface{}, 0), "a", ".", "b", ".", "[+]")},
|
||||
// {"a.b[-12]", append(make([]interface{}, 0), "a", ".", "b", ".", int64(-12))},
|
||||
// {"a.b.0", append(make([]interface{}, 0), "a", ".", "b", ".", int64(0))},
|
||||
// // {"a.b.-12", append(make([]interface{}, 0), "a", ".", "b", ".", int64(-12))},
|
||||
// {"a", append(make([]interface{}, 0), "a")},
|
||||
// {"\"a.b\".c", append(make([]interface{}, 0), "a.b", ".", "c")},
|
||||
// {`b."foo.bar"`, append(make([]interface{}, 0), "b", ".", "foo.bar")},
|
||||
// {"animals(.==cat)", append(make([]interface{}, 0), "animals", ".", "(", "SELF", ".==", "cat", ")")},
|
||||
// {"animals.(.==cat)", append(make([]interface{}, 0), "animals", ".", "(", "SELF", ".==", "cat", ")")},
|
||||
// {"animals(. == cat)", append(make([]interface{}, 0), "animals", ".", "(", "SELF", ". == ", "cat", ")")},
|
||||
// {"animals(.==c*)", append(make([]interface{}, 0), "animals", ".", "(", "SELF", ".==", "c*", ")")},
|
||||
// {"animals(a.b==c*)", append(make([]interface{}, 0), "animals", ".", "(", "a", ".", "b", "==", "c*", ")")},
|
||||
// {"animals.(a.b==c*)", append(make([]interface{}, 0), "animals", ".", "(", "a", ".", "b", "==", "c*", ")")},
|
||||
// {"(a.b==c*).animals", append(make([]interface{}, 0), "(", "a", ".", "b", "==", "c*", ")", ".", "animals")},
|
||||
// {"(a.b==c*)animals", append(make([]interface{}, 0), "(", "a", ".", "b", "==", "c*", ")", ".", "animals")},
|
||||
// {"[1].a.d", append(make([]interface{}, 0), int64(1), ".", "a", ".", "d")},
|
||||
// {"[1]a.d", append(make([]interface{}, 0), int64(1), ".", "a", ".", "d")},
|
||||
// {"a[0]c", append(make([]interface{}, 0), "a", ".", int64(0), ".", "c")},
|
||||
// {"a.[0].c", append(make([]interface{}, 0), "a", ".", int64(0), ".", "c")},
|
||||
// {"apples.BANANAS", append(make([]interface{}, 0), "apples", "TRAVERSE", "BANANAS")},
|
||||
// {"appl*.BANA*", append(make([]interface{}, 0), "appl*", "TRAVERSE", "BANA*")},
|
||||
// {"a.b.**", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", "**")},
|
||||
// {"a.\"=\".frog", append(make([]interface{}, 0), "a", "TRAVERSE", "=", "TRAVERSE", "frog")},
|
||||
// {"a.b.*", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", "*")},
|
||||
// {"a.b.thin*", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", "thin*")},
|
||||
// {".a.b.[0]", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", int64(0))},
|
||||
// {".a.b.[]", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", "[]")},
|
||||
// {".a.b.[+]", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", "[+]")},
|
||||
// {".a.b.[-12]", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", int64(-12))},
|
||||
// {".a.b.0", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", "0")},
|
||||
// {".a", append(make([]interface{}, 0), "a")},
|
||||
// {".\"a.b\".c", append(make([]interface{}, 0), "a.b", "TRAVERSE", "c")},
|
||||
// {`.b."foo.bar"`, append(make([]interface{}, 0), "b", "TRAVERSE", "foo.bar")},
|
||||
// {`f | . == *og | length`, append(make([]interface{}, 0), "f", "TRAVERSE", "SELF", "EQUALS", "*og", "TRAVERSE", "LENGTH")},
|
||||
// {`.a, .b`, append(make([]interface{}, 0), "a", "OR", "b")},
|
||||
// {`[.a, .b]`, append(make([]interface{}, 0), "[", "a", "OR", "b", "]")},
|
||||
// {`."[a", ."b]"`, append(make([]interface{}, 0), "[a", "OR", "b]")},
|
||||
// {`.a[]`, append(make([]interface{}, 0), "a", "PIPE", "[]")},
|
||||
// {`.[].a`, append(make([]interface{}, 0), "[]", "PIPE", "a")},
|
||||
{`.a | (.[].b == "apple")`, append(make([]interface{}, 0), "a", "PIPE", "(", "[]", "PIPE", "b", "EQUALS", "apple", ")")},
|
||||
|
||||
// {".animals | .==cat", append(make([]interface{}, 0), "animals", "TRAVERSE", "SELF", "EQUALS", "cat")},
|
||||
// {".animals | (. == cat)", append(make([]interface{}, 0), "animals", "TRAVERSE", "(", "SELF", "EQUALS", "cat", ")")},
|
||||
// {".animals | (.==c*)", append(make([]interface{}, 0), "animals", "TRAVERSE", "(", "SELF", "EQUALS", "c*", ")")},
|
||||
// {"animals(a.b==c*)", append(make([]interface{}, 0), "animals", "TRAVERSE", "(", "a", "TRAVERSE", "b", "==", "c*", ")")},
|
||||
// {"animals.(a.b==c*)", append(make([]interface{}, 0), "animals", "TRAVERSE", "(", "a", "TRAVERSE", "b", "==", "c*", ")")},
|
||||
// {"(a.b==c*).animals", append(make([]interface{}, 0), "(", "a", "TRAVERSE", "b", "==", "c*", ")", "TRAVERSE", "animals")},
|
||||
// {"(a.b==c*)animals", append(make([]interface{}, 0), "(", "a", "TRAVERSE", "b", "==", "c*", ")", "TRAVERSE", "animals")},
|
||||
// {"[1].a.d", append(make([]interface{}, 0), int64(1), "TRAVERSE", "a", "TRAVERSE", "d")},
|
||||
// {"[1]a.d", append(make([]interface{}, 0), int64(1), "TRAVERSE", "a", "TRAVERSE", "d")},
|
||||
// {"a[0]c", append(make([]interface{}, 0), "a", "TRAVERSE", int64(0), "TRAVERSE", "c")},
|
||||
// {"a.[0].c", append(make([]interface{}, 0), "a", "TRAVERSE", int64(0), "TRAVERSE", "c")},
|
||||
// {"[0]", append(make([]interface{}, 0), int64(0))},
|
||||
// {"0", append(make([]interface{}, 0), int64(0))},
|
||||
// {"a.b[+]c", append(make([]interface{}, 0), "a", ".", "b", ".", "[+]", ".", "c")},
|
||||
// {"a.cool(s.d.f == cool)", append(make([]interface{}, 0), "a", ".", "cool", ".", "(", "s", ".", "d", ".", "f", " == ", "cool", ")")},
|
||||
// {"a.cool.(s.d.f==cool OR t.b.h==frog).caterpillar", append(make([]interface{}, 0), "a", ".", "cool", ".", "(", "s", ".", "d", ".", "f", "==", "cool", "OR", "t", ".", "b", ".", "h", "==", "frog", ")", ".", "caterpillar")},
|
||||
// {"a.cool(s.d.f==cool and t.b.h==frog)*", append(make([]interface{}, 0), "a", ".", "cool", ".", "(", "s", ".", "d", ".", "f", "==", "cool", "and", "t", ".", "b", ".", "h", "==", "frog", ")", ".", "*")},
|
||||
// {"a.cool(s.d.f==cool and t.b.h==frog).th*", append(make([]interface{}, 0), "a", ".", "cool", ".", "(", "s", ".", "d", ".", "f", "==", "cool", "and", "t", ".", "b", ".", "h", "==", "frog", ")", ".", "th*")},
|
||||
// {"a.b[+]c", append(make([]interface{}, 0), "a", "TRAVERSE", "b", "TRAVERSE", "[+]", "TRAVERSE", "c")},
|
||||
// {"a.cool(s.d.f == cool)", append(make([]interface{}, 0), "a", "TRAVERSE", "cool", "TRAVERSE", "(", "s", "TRAVERSE", "d", "TRAVERSE", "f", " == ", "cool", ")")},
|
||||
// {"a.cool.(s.d.f==cool OR t.b.h==frog).caterpillar", append(make([]interface{}, 0), "a", "TRAVERSE", "cool", "TRAVERSE", "(", "s", "TRAVERSE", "d", "TRAVERSE", "f", "==", "cool", "OR", "t", "TRAVERSE", "b", "TRAVERSE", "h", "==", "frog", ")", "TRAVERSE", "caterpillar")},
|
||||
// {"a.cool(s.d.f==cool and t.b.h==frog)*", append(make([]interface{}, 0), "a", "TRAVERSE", "cool", "TRAVERSE", "(", "s", "TRAVERSE", "d", "TRAVERSE", "f", "==", "cool", "and", "t", "TRAVERSE", "b", "TRAVERSE", "h", "==", "frog", ")", "TRAVERSE", "*")},
|
||||
// {"a.cool(s.d.f==cool and t.b.h==frog).th*", append(make([]interface{}, 0), "a", "TRAVERSE", "cool", "TRAVERSE", "(", "s", "TRAVERSE", "d", "TRAVERSE", "f", "==", "cool", "and", "t", "TRAVERSE", "b", "TRAVERSE", "h", "==", "frog", ")", "TRAVERSE", "th*")},
|
||||
}
|
||||
|
||||
var tokeniser = NewPathTokeniser()
|
||||
|
|
@ -68,6 +71,6 @@ func TestTokeniser(t *testing.T) {
|
|||
for _, token := range tokens {
|
||||
tokenValues = append(tokenValues, token.Value)
|
||||
}
|
||||
test.AssertResultComplex(t, tt.expectedTokens, tokenValues)
|
||||
test.AssertResultComplexWithContext(t, tt.expectedTokens, tokenValues, tt.path)
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -45,12 +45,10 @@ func (p *pathTreeCreator) CreatePathTree(postFixPath []*PathElement) (*PathTreeN
|
|||
|
||||
for _, pathElement := range postFixPath {
|
||||
var newNode = PathTreeNode{PathElement: pathElement}
|
||||
if pathElement.PathElementType == Operation {
|
||||
log.Debugf("pathTree %v ", pathElement.toString())
|
||||
if pathElement.PathElementType == Operation && pathElement.OperationType.NumArgs > 0 {
|
||||
numArgs := pathElement.OperationType.NumArgs
|
||||
if numArgs == 0 {
|
||||
remaining := stack[:len(stack)-1]
|
||||
stack = remaining
|
||||
} else if numArgs == 1 {
|
||||
if numArgs == 1 {
|
||||
remaining, rhs := stack[:len(stack)-1], stack[len(stack)-1]
|
||||
newNode.Rhs = rhs
|
||||
stack = remaining
|
||||
|
|
|
|||
|
|
@ -54,6 +54,14 @@ func AssertResultComplex(t *testing.T, expectedValue interface{}, actualValue in
|
|||
}
|
||||
}
|
||||
|
||||
func AssertResultComplexWithContext(t *testing.T, expectedValue interface{}, actualValue interface{}, context interface{}) {
|
||||
t.Helper()
|
||||
if !reflect.DeepEqual(expectedValue, actualValue) {
|
||||
t.Error(context)
|
||||
t.Error("\nExpected <", expectedValue, ">\nbut got <", actualValue, ">", fmt.Sprintf("%T", actualValue))
|
||||
}
|
||||
}
|
||||
|
||||
func AssertResultWithContext(t *testing.T, expectedValue interface{}, actualValue interface{}, context interface{}) {
|
||||
t.Helper()
|
||||
if expectedValue != actualValue {
|
||||
|
|
|
|||
Loading…
Reference in New Issue