Allow to override basePath for file lookup

datamodel/document_config.go

@@ -15,6 +15,10 @@ type DocumentConfiguration struct {
 	// Schema must be set to "http/https".
 	BaseURL *url.URL
 
+	// If resolving locally, the BasePath will be the root from which relative references will be resolved from.
+	// It usually location of the root specification.
+	BasePath string // set the Base Path for resolving relative references if the spec is exploded.
+
 	// AllowFileReferences will allow the index to locate relative file references. This is disabled by default.
 	AllowFileReferences bool
 

datamodel/low/v3/create_document.go

@@ -2,14 +2,15 @@ package v3
 
 import (
 	"errors"
+	"os"
+	"sync"
+
 	"github.com/pb33f/libopenapi/datamodel"
 	"github.com/pb33f/libopenapi/datamodel/low"
 	"github.com/pb33f/libopenapi/datamodel/low/base"
 	"github.com/pb33f/libopenapi/index"
 	"github.com/pb33f/libopenapi/resolver"
 	"github.com/pb33f/libopenapi/utils"
-    "os"
-    "sync"
 )
 
 // CreateDocument will create a new Document instance from the provided SpecInfo.
@@ -38,9 +39,13 @@ func createDocument(info *datamodel.SpecInfo, config *datamodel.DocumentConfigur
 	version = low.NodeReference[string]{Value: versionNode.Value, KeyNode: labelNode, ValueNode: versionNode}
 	doc := Document{Version: version}
 
-    // get current working directory
+	// get current working directory as a basePath
 	cwd, _ := os.Getwd()
 
+	// If basePath is provided override it
+	if config.BasePath != "" {
+		cwd = config.BasePath
+	}
 	// build an index
 	idx := index.NewSpecIndexWithConfig(info.RootNode, &index.SpecIndexConfig{
 		BaseURL:           config.BaseURL,
@@ -72,14 +77,15 @@ func createDocument(info *datamodel.SpecInfo, config *datamodel.DocumentConfigur
 	_, dialectLabel, dialectNode := utils.FindKeyNodeFull(JSONSchemaDialectLabel, info.RootNode.Content)
 	if dialectNode != nil {
 		doc.JsonSchemaDialect = low.NodeReference[string]{
-            Value: dialectNode.Value, KeyNode: dialectLabel, ValueNode: dialectNode}
+			Value: dialectNode.Value, KeyNode: dialectLabel, ValueNode: dialectNode,
+		}
 	}
 
-    var runExtraction = func(info *datamodel.SpecInfo, doc *Document, idx *index.SpecIndex,
+	runExtraction := func(info *datamodel.SpecInfo, doc *Document, idx *index.SpecIndex,
 		runFunc func(i *datamodel.SpecInfo, d *Document, idx *index.SpecIndex) error,
 		ers *[]error,
-        wg *sync.WaitGroup) {
-
+		wg *sync.WaitGroup,
+	) {
 		if er := runFunc(info, doc, idx); er != nil {
 			*ers = append(*ers, er)
 		}