mirror of
https://github.com/mikefarah/yq.git
synced 2026-09-05 00:54:51 +08:00
toml wip
This commit is contained in:
Mike Farah
@@ -4,6 +4,7 @@ import (
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"fmt"
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logging "gopkg.in/op/go-logging.v1"
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yaml "gopkg.in/yaml.v3"
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)
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type DataTreeNavigator interface {
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@@ -11,6 +12,8 @@ type DataTreeNavigator interface {
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// this will process the against the given expressionNode and return
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// a new context of matching candidates
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GetMatchingNodes(context Context, expressionNode *ExpressionNode) (Context, error)
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DeeplyAssign(context Context, path []interface{}, rhsNode *yaml.Node) error
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}
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type dataTreeNavigator struct {
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@@ -20,6 +23,27 @@ func NewDataTreeNavigator() DataTreeNavigator {
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return &dataTreeNavigator{}
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}
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func (d *dataTreeNavigator) DeeplyAssign(context Context, path []interface{}, rhsNode *yaml.Node) error {
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rhsCandidateNode := &CandidateNode{
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Path: path,
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Node: rhsNode,
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}
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assignmentOp := &Operation{OperationType: assignOpType, Preferences: assignPreferences{}}
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rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
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assignmentOpNode := &ExpressionNode{
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Operation: assignmentOp,
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LHS: createTraversalTree(path, traversePreferences{}, false),
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RHS: &ExpressionNode{Operation: rhsOp},
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}
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_, err := d.GetMatchingNodes(context, assignmentOpNode)
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return err
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}
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func (d *dataTreeNavigator) GetMatchingNodes(context Context, expressionNode *ExpressionNode) (Context, error) {
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if expressionNode == nil {
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log.Debugf("getMatchingNodes - nothing to do")
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@@ -15,6 +15,7 @@ const (
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JsonInputFormat
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CSVObjectInputFormat
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TSVObjectInputFormat
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TomlInputFormat
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)
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type Decoder interface {
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@@ -36,7 +37,9 @@ func InputFormatFromString(format string) (InputFormat, error) {
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return CSVObjectInputFormat, nil
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case "tsv", "t":
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return TSVObjectInputFormat, nil
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case "toml":
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return TomlInputFormat, nil
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default:
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return 0, fmt.Errorf("unknown format '%v' please use [yaml|xml|props]", format)
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return 0, fmt.Errorf("unknown format '%v' please use [yaml|xml|props|js]", format)
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}
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}
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@@ -93,25 +93,7 @@ func (dec *propertiesDecoder) applyProperty(context Context, properties *propert
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Kind: yaml.ScalarNode,
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}
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rhsNode.Tag = guessTagFromCustomType(rhsNode)
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rhsCandidateNode := &CandidateNode{
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Path: path,
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Node: rhsNode,
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}
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assignmentOp := &Operation{OperationType: assignOpType, Preferences: assignPreferences{}}
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rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
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assignmentOpNode := &ExpressionNode{
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Operation: assignmentOp,
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LHS: createTraversalTree(path, traversePreferences{}, false),
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RHS: &ExpressionNode{Operation: rhsOp},
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}
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_, err := dec.d.GetMatchingNodes(context, assignmentOpNode)
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return err
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return dec.d.DeeplyAssign(context, path, rhsNode)
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}
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func (dec *propertiesDecoder) Decode() (*CandidateNode, error) {
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@@ -3,6 +3,7 @@ package yqlib
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import (
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"bufio"
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"bytes"
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"fmt"
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"strings"
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)
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@@ -62,7 +63,7 @@ func mustProcessFormatScenario(s formatScenario, decoder Decoder, encoder Encode
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result, err := processFormatScenario(s, decoder, encoder)
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if err != nil {
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panic(err)
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panic(fmt.Errorf("Bad scenario %v: %w", s.description, err))
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}
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return result
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@@ -0,0 +1,367 @@
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package yqlib
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import (
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"bytes"
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"errors"
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"fmt"
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"io"
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"strconv"
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"time"
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toml "github.com/pelletier/go-toml/v2/unstable"
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yaml "gopkg.in/yaml.v3"
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)
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type tomlDecoder struct {
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parser toml.Parser
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finished bool
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d DataTreeNavigator
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rootMap *CandidateNode
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}
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func NewTomlDecoder() Decoder {
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return &tomlDecoder{
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finished: false,
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d: NewDataTreeNavigator(),
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}
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}
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func (dec *tomlDecoder) Init(reader io.Reader) error {
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dec.parser = toml.Parser{}
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buf := new(bytes.Buffer)
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_, err := buf.ReadFrom(reader)
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if err != nil {
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return err
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}
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dec.parser.Reset(buf.Bytes())
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dec.rootMap = &CandidateNode{
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Node: &yaml.Node{
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Kind: yaml.MappingNode,
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Tag: "!!map",
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}}
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return nil
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}
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func (dec *tomlDecoder) getFullPath(tomlNode *toml.Node) []interface{} {
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path := make([]interface{}, 0)
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for {
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path = append(path, string(tomlNode.Data))
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tomlNode = tomlNode.Next()
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if tomlNode == nil {
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return path
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}
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}
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}
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func (dec *tomlDecoder) processKeyValueIntoMap(rootMap *CandidateNode, tomlNode *toml.Node) error {
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value := tomlNode.Value()
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path := dec.getFullPath(value.Next())
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log.Debug("!!!processKeyValueIntoMap: %v", path)
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valueNode, err := dec.decodeNode(value)
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if err != nil {
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return err
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}
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context := Context{}
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context = context.SingleChildContext(rootMap)
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return dec.d.DeeplyAssign(context, path, valueNode)
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}
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func (dec *tomlDecoder) decodeKeyValuesIntoMap(rootMap *CandidateNode, tomlNode *toml.Node) (bool, error) {
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log.Debug("!! DECODE_KV_INTO_MAP -- processing first (current) entry")
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if err := dec.processKeyValueIntoMap(rootMap, tomlNode); err != nil {
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return false, err
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}
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for dec.parser.NextExpression() {
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nextItem := dec.parser.Expression()
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log.Debug("!! DECODE_KV_INTO_MAP -- next exp, its a %v", nextItem.Kind)
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if nextItem.Kind == toml.KeyValue {
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if err := dec.processKeyValueIntoMap(rootMap, nextItem); err != nil {
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return false, err
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}
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} else {
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// run out of key values
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log.Debug("! DECODE_KV_INTO_MAP - ok we are done in decodeKeyValuesIntoMap, gota a %v", nextItem.Kind)
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log.Debug("! DECODE_KV_INTO_MAP - processAgainstCurrentExp = true!")
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return true, nil
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}
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}
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log.Debug("! DECODE_KV_INTO_MAP - no more things to read in")
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return false, nil
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}
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func (dec *tomlDecoder) createInlineTableMap(tomlNode *toml.Node) (*yaml.Node, error) {
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content := make([]*yaml.Node, 0)
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log.Debug("!! createInlineTableMap")
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iterator := tomlNode.Children()
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for iterator.Next() {
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child := iterator.Node()
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if child.Kind != toml.KeyValue {
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return nil, fmt.Errorf("only keyvalue pairs are supported in inlinetables, got %v instead", child.Kind)
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}
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keyValues := &CandidateNode{
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Node: &yaml.Node{
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Kind: yaml.MappingNode,
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Tag: "!!map",
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},
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}
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if err := dec.processKeyValueIntoMap(keyValues, child); err != nil {
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return nil, err
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}
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content = append(content, keyValues.Node.Content...)
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}
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return &yaml.Node{
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Kind: yaml.MappingNode,
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Tag: "!!map",
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Content: content,
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}, nil
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}
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func (dec *tomlDecoder) createArray(tomlNode *toml.Node) (*yaml.Node, error) {
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content := make([]*yaml.Node, 0)
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iterator := tomlNode.Children()
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for iterator.Next() {
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child := iterator.Node()
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yamlNode, err := dec.decodeNode(child)
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if err != nil {
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return nil, err
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}
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content = append(content, yamlNode)
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}
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return &yaml.Node{
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Kind: yaml.SequenceNode,
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Tag: "!!seq",
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Content: content,
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}, nil
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}
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func (dec *tomlDecoder) createStringScalar(tomlNode *toml.Node) (*yaml.Node, error) {
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content := string(tomlNode.Data)
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return createScalarNode(content, content), nil
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}
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func (dec *tomlDecoder) createBoolScalar(tomlNode *toml.Node) (*yaml.Node, error) {
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content := string(tomlNode.Data)
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return createScalarNode(content == "true", content), nil
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}
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func (dec *tomlDecoder) createIntegerScalar(tomlNode *toml.Node) (*yaml.Node, error) {
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content := string(tomlNode.Data)
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_, num, err := parseInt64(content)
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return createScalarNode(num, content), err
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}
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func (dec *tomlDecoder) createDateTimeScalar(tomlNode *toml.Node) (*yaml.Node, error) {
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content := string(tomlNode.Data)
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val, err := parseDateTime(time.RFC3339, content)
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return createScalarNode(val, content), err
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}
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func (dec *tomlDecoder) createFloatScalar(tomlNode *toml.Node) (*yaml.Node, error) {
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content := string(tomlNode.Data)
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num, err := strconv.ParseFloat(content, 64)
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return createScalarNode(num, content), err
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}
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func (dec *tomlDecoder) decodeNode(tomlNode *toml.Node) (*yaml.Node, error) {
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switch tomlNode.Kind {
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case toml.Key, toml.String:
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return dec.createStringScalar(tomlNode)
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case toml.Bool:
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return dec.createBoolScalar(tomlNode)
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case toml.Integer:
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return dec.createIntegerScalar(tomlNode)
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case toml.DateTime:
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return dec.createDateTimeScalar(tomlNode)
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case toml.Float:
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return dec.createFloatScalar(tomlNode)
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case toml.Array:
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return dec.createArray(tomlNode)
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case toml.InlineTable:
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return dec.createInlineTableMap(tomlNode)
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default:
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return nil, fmt.Errorf("unsupported type %v", tomlNode.Kind)
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}
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}
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func (dec *tomlDecoder) Decode() (*CandidateNode, error) {
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if dec.finished {
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return nil, io.EOF
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}
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//
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// toml library likes to panic
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var deferredError error
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defer func() { //catch or finally
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if r := recover(); r != nil {
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var ok bool
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deferredError, ok = r.(error)
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if !ok {
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deferredError = fmt.Errorf("pkg: %v", r)
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}
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}
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}()
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log.Debug("ok here we go")
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var runAgainstCurrentExp = false
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var err error
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for runAgainstCurrentExp || dec.parser.NextExpression() {
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if runAgainstCurrentExp {
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log.Debug("running against current exp")
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}
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currentNode := dec.parser.Expression()
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log.Debug("currentNode: %v ", currentNode.Kind)
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runAgainstCurrentExp, err = dec.processTopLevelNode(currentNode)
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if err != nil {
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return dec.rootMap, err
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}
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}
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err = dec.parser.Error()
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if err != nil {
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return nil, err
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}
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|
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// must have finished
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dec.finished = true
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|
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if len(dec.rootMap.Node.Content) == 0 {
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return nil, io.EOF
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}
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|
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return &CandidateNode{
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Node: &yaml.Node{
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Kind: yaml.DocumentNode,
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Content: []*yaml.Node{dec.rootMap.Node},
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},
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}, deferredError
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|
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}
|
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|
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func (dec *tomlDecoder) processTopLevelNode(currentNode *toml.Node) (bool, error) {
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var runAgainstCurrentExp bool
|
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var err error
|
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log.Debug("!!!!!!!!!!!!Going to process %v state is current %v", currentNode.Kind, NodeToString(dec.rootMap))
|
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if currentNode.Kind == toml.Table {
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runAgainstCurrentExp, err = dec.processTable((currentNode))
|
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} else if currentNode.Kind == toml.ArrayTable {
|
||||
runAgainstCurrentExp, err = dec.processArrayTable((currentNode))
|
||||
} else {
|
||||
runAgainstCurrentExp, err = dec.decodeKeyValuesIntoMap(dec.rootMap, currentNode)
|
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}
|
||||
|
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log.Debug("!!!!!!!!!!!!DONE Processing state is now %v", NodeToString(dec.rootMap))
|
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return runAgainstCurrentExp, err
|
||||
}
|
||||
|
||||
func (dec *tomlDecoder) processTable(currentNode *toml.Node) (bool, error) {
|
||||
log.Debug("!!! processing table")
|
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fullPath := dec.getFullPath(currentNode.Child())
|
||||
log.Debug("!!!fullpath: %v", fullPath)
|
||||
|
||||
hasValue := dec.parser.NextExpression()
|
||||
if !hasValue {
|
||||
return false, fmt.Errorf("error retrieving table %v value: %w", fullPath, dec.parser.Error())
|
||||
}
|
||||
|
||||
tableNodeValue := &CandidateNode{
|
||||
Node: &yaml.Node{
|
||||
Kind: yaml.MappingNode,
|
||||
Tag: "!!map",
|
||||
},
|
||||
}
|
||||
|
||||
tableValue := dec.parser.Expression()
|
||||
if tableValue.Kind != toml.KeyValue {
|
||||
log.Debug("got an empty table, returning")
|
||||
return true, nil
|
||||
}
|
||||
|
||||
runAgainstCurrentExp, err := dec.decodeKeyValuesIntoMap(tableNodeValue, tableValue)
|
||||
log.Debugf("table node err: %w", err)
|
||||
if err != nil && !errors.Is(io.EOF, err) {
|
||||
return false, err
|
||||
}
|
||||
c := Context{}
|
||||
|
||||
c = c.SingleChildContext(dec.rootMap)
|
||||
err = dec.d.DeeplyAssign(c, fullPath, tableNodeValue.Node)
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
return runAgainstCurrentExp, nil
|
||||
}
|
||||
|
||||
func (dec *tomlDecoder) arrayAppend(context Context, path []interface{}, rhsNode *yaml.Node) error {
|
||||
rhsCandidateNode := &CandidateNode{
|
||||
Path: path,
|
||||
Node: &yaml.Node{
|
||||
Kind: yaml.SequenceNode,
|
||||
Tag: "!!seq",
|
||||
Content: []*yaml.Node{rhsNode},
|
||||
},
|
||||
}
|
||||
|
||||
assignmentOp := &Operation{OperationType: addAssignOpType}
|
||||
|
||||
rhsOp := &Operation{OperationType: valueOpType, CandidateNode: rhsCandidateNode}
|
||||
|
||||
assignmentOpNode := &ExpressionNode{
|
||||
Operation: assignmentOp,
|
||||
LHS: createTraversalTree(path, traversePreferences{}, false),
|
||||
RHS: &ExpressionNode{Operation: rhsOp},
|
||||
}
|
||||
|
||||
_, err := dec.d.GetMatchingNodes(context, assignmentOpNode)
|
||||
return err
|
||||
}
|
||||
|
||||
func (dec *tomlDecoder) processArrayTable(currentNode *toml.Node) (bool, error) {
|
||||
log.Debug("!!! processing table")
|
||||
fullPath := dec.getFullPath(currentNode.Child())
|
||||
log.Debug("!!!fullpath: %v", fullPath)
|
||||
|
||||
// need to use the array append exp to add another entry to
|
||||
// this array: fullpath += [ thing ]
|
||||
|
||||
hasValue := dec.parser.NextExpression()
|
||||
if !hasValue {
|
||||
return false, fmt.Errorf("error retrieving table %v value: %w", fullPath, dec.parser.Error())
|
||||
}
|
||||
|
||||
tableNodeValue := &CandidateNode{
|
||||
Node: &yaml.Node{
|
||||
Kind: yaml.MappingNode,
|
||||
Tag: "!!map",
|
||||
},
|
||||
}
|
||||
|
||||
tableValue := dec.parser.Expression()
|
||||
runAgainstCurrentExp, err := dec.decodeKeyValuesIntoMap(tableNodeValue, tableValue)
|
||||
log.Debugf("table node err: %w", err)
|
||||
if err != nil && !errors.Is(io.EOF, err) {
|
||||
return false, err
|
||||
}
|
||||
c := Context{}
|
||||
|
||||
c = c.SingleChildContext(dec.rootMap)
|
||||
|
||||
// += function
|
||||
err = dec.arrayAppend(c, fullPath, tableNodeValue.Node)
|
||||
|
||||
return runAgainstCurrentExp, err
|
||||
}
|
||||
@@ -0,0 +1,201 @@
|
||||
package yqlib
|
||||
|
||||
import (
|
||||
"testing"
|
||||
|
||||
"github.com/mikefarah/yq/v4/test"
|
||||
)
|
||||
|
||||
var sampleTable = `
|
||||
var = "x"
|
||||
|
||||
[owner.contact]
|
||||
name = "Tom Preston-Werner"
|
||||
age = 36
|
||||
`
|
||||
|
||||
var sampleTableExpected = `var: x
|
||||
owner:
|
||||
contact:
|
||||
name: Tom Preston-Werner
|
||||
age: 36
|
||||
`
|
||||
|
||||
var sampleArrayTable = `
|
||||
[owner.contact]
|
||||
name = "Tom Preston-Werner"
|
||||
age = 36
|
||||
|
||||
[[owner.addresses]]
|
||||
street = "first street"
|
||||
suburb = "ok"
|
||||
|
||||
[[owner.addresses]]
|
||||
street = "second street"
|
||||
suburb = "nice"
|
||||
`
|
||||
|
||||
var sampleArrayTableExpected = `owner:
|
||||
contact:
|
||||
name: Tom Preston-Werner
|
||||
age: 36
|
||||
addresses:
|
||||
- street: first street
|
||||
suburb: ok
|
||||
- street: second street
|
||||
suburb: nice
|
||||
`
|
||||
|
||||
var sampleWithHeader = `
|
||||
[servers]
|
||||
|
||||
[servers.alpha]
|
||||
ip = "10.0.0.1"
|
||||
`
|
||||
|
||||
var expectedSampleWithHeader = `servers:
|
||||
alpha:
|
||||
ip: 10.0.0.1
|
||||
`
|
||||
|
||||
var tomlScenarios = []formatScenario{
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "blank",
|
||||
input: "",
|
||||
expected: "",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "datetime",
|
||||
input: "A = 1979-05-27T07:32:00-08:00",
|
||||
expected: "A: 1979-05-27T07:32:00-08:00\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "blank",
|
||||
input: `A = "hello`,
|
||||
expectedError: `bad file 'sample.yml': basic string not terminated by "`,
|
||||
scenarioType: "decode-error",
|
||||
},
|
||||
{
|
||||
description: "Simple",
|
||||
input: "A = \"hello\"\nB = 12\n",
|
||||
expected: "A: hello\nB: 12\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
description: "Deep paths",
|
||||
input: "person.name = \"hello\"\nperson.address = \"12 cat st\"\n",
|
||||
expected: "person:\n name: hello\n address: 12 cat st\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
description: "Simpl nested",
|
||||
input: `A.B = "hello"`,
|
||||
expected: "A:\n B: hello\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "bool",
|
||||
input: `A = true`,
|
||||
expected: "A: true\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "bool false",
|
||||
input: `A = false `,
|
||||
expected: "A: false\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "number",
|
||||
input: `A = 3 `,
|
||||
expected: "A: 3\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "number",
|
||||
input: `A = 0xDEADBEEF`,
|
||||
expression: " .A += 1",
|
||||
expected: "A: 0xDEADBEF0\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "float",
|
||||
input: `A = 6.626e-34`,
|
||||
expected: "A: 6.626e-34\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "empty arraY",
|
||||
input: `A = []`,
|
||||
expected: "A: []\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "array",
|
||||
input: `A = ["hello", ["world", "again"]]`,
|
||||
expected: "A:\n - hello\n - - world\n - again\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
description: "inline table",
|
||||
input: `name = { first = "Tom", last = "Preston-Werner" }`,
|
||||
expected: "name:\n first: Tom\n last: Preston-Werner\n",
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
input: sampleTable,
|
||||
expected: sampleTableExpected,
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
skipDoc: true,
|
||||
input: sampleArrayTable,
|
||||
expected: sampleArrayTableExpected,
|
||||
scenarioType: "decode",
|
||||
},
|
||||
{
|
||||
description: "example with header",
|
||||
input: sampleWithHeader,
|
||||
expected: expectedSampleWithHeader,
|
||||
scenarioType: "decode",
|
||||
},
|
||||
}
|
||||
|
||||
func testTomlScenario(t *testing.T, s formatScenario) {
|
||||
switch s.scenarioType {
|
||||
case "", "decode":
|
||||
test.AssertResultWithContext(t, s.expected, mustProcessFormatScenario(s, NewTomlDecoder(), NewYamlEncoder(2, false, ConfiguredYamlPreferences)), s.description)
|
||||
case "decode-error":
|
||||
result, err := processFormatScenario(s, NewTomlDecoder(), NewYamlEncoder(2, false, ConfiguredYamlPreferences))
|
||||
if err == nil {
|
||||
t.Errorf("Expected error '%v' but it worked: %v", s.expectedError, result)
|
||||
} else {
|
||||
test.AssertResultComplexWithContext(t, s.expectedError, err.Error(), s.description)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
func TestTomlScenarios(t *testing.T) {
|
||||
for _, tt := range tomlScenarios {
|
||||
testTomlScenario(t, tt)
|
||||
}
|
||||
// genericScenarios := make([]interface{}, len(xmlScenarios))
|
||||
// for i, s := range xmlScenarios {
|
||||
// genericScenarios[i] = s
|
||||
// }
|
||||
// documentScenarios(t, "usage", "xml", genericScenarios, documentXMLScenario)
|
||||
}
|
||||
Reference in New Issue
Block a user