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Next (#214)

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* Renamed DOCUMENT to PAGE

* Added PageLoadParams

* Added PageLoadParams

* Renamed LoadPageParams -> PageLoadParams

* Added support for context.Done() (#201)

* Bug/#189 operators precedence (#202)

* Fixed math operators precedence

* Fixed logical operators precedence

* Fixed array operator

* Added support for parentheses to enforce a different operator evaluation order

* Feature/#200 drivers (#209)

* Added new interfaces

* Renamed dynamic to cdp driver

* Renamed drivers

* Added ELEMENT_EXISTS function (#210)

* Renamed back PAGE to DOCUMENT (#211)

* Added Getter and Setter interfaces
This commit is contained in:
Tim Voronov
2018-12-21 23:14:41 -05:00
committed by GitHub
parent 6bc4b3e0e3
commit 5620be211c
92 changed files with 2953 additions and 1656 deletions
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67
pkg/runtime/expressions/data_source.go
View File

@@ -33,43 +33,48 @@ func NewDataSource(
}
func (ds *DataSource) Iterate(ctx context.Context, scope *core.Scope) (collections.Iterator, error) {
data, err := ds.exp.Exec(ctx, scope)
if err != nil {
return nil, core.SourceError(ds.src, err)
}
switch data.Type() {
case core.ArrayType:
return collections.NewIndexedIterator(ds.valVariable, ds.keyVariable, data.(collections.IndexedCollection))
case core.ObjectType:
return collections.NewKeyedIterator(ds.valVariable, ds.keyVariable, data.(collections.KeyedCollection))
case core.HTMLElementType, core.HTMLDocumentType:
return collections.NewHTMLNodeIterator(ds.valVariable, ds.keyVariable, data.(values.HTMLNode))
select {
case <-ctx.Done():
return nil, core.ErrTerminated
default:
// fallback to user defined types
switch data.(type) {
case collections.IterableCollection:
collection := data.(collections.IterableCollection)
iterator, err := collection.Iterate(ctx)
data, err := ds.exp.Exec(ctx, scope)
if err != nil {
return nil, err
}
if err != nil {
return nil, core.SourceError(ds.src, err)
}
return collections.NewCollectionIterator(ds.valVariable, ds.keyVariable, iterator)
case collections.KeyedCollection:
switch data.Type() {
case core.ArrayType:
return collections.NewIndexedIterator(ds.valVariable, ds.keyVariable, data.(collections.IndexedCollection))
case collections.IndexedCollection:
case core.ObjectType:
return collections.NewKeyedIterator(ds.valVariable, ds.keyVariable, data.(collections.KeyedCollection))
case core.HTMLElementType, core.HTMLDocumentType:
return collections.NewHTMLNodeIterator(ds.valVariable, ds.keyVariable, data.(values.HTMLNode))
default:
return nil, core.TypeError(
data.Type(),
core.ArrayType,
core.ObjectType,
core.HTMLDocumentType,
core.HTMLElementType,
)
// fallback to user defined types
switch data.(type) {
case collections.IterableCollection:
collection := data.(collections.IterableCollection)
iterator, err := collection.Iterate(ctx)
if err != nil {
return nil, err
}
return collections.NewCollectionIterator(ds.valVariable, ds.keyVariable, iterator)
case collections.KeyedCollection:
return collections.NewIndexedIterator(ds.valVariable, ds.keyVariable, data.(collections.IndexedCollection))
case collections.IndexedCollection:
return collections.NewKeyedIterator(ds.valVariable, ds.keyVariable, data.(collections.KeyedCollection))
default:
return nil, core.TypeError(
data.Type(),
core.ArrayType,
core.ObjectType,
core.HTMLDocumentType,
core.HTMLElementType,
)
}
}
}
}