validate import chain references during validation

src/scribe/chain.go

@@ -17,3 +17,13 @@ func hasChainVariables(arg string) bool {
 	}
 	return false
 }
+
+func validateChains(cl []string, d *Document) error {
+	for _, x := range cl {
+		_, err := d.getObjectInterface(x)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}

src/scribe/filecontent.go

@@ -39,7 +39,7 @@ type matchLine struct {
 	groups    []string
 }
 
-func (f *filecontent) validate() error {
+func (f *filecontent) validate(d *Document) error {
 	if len(f.Path) == 0 {
 		return fmt.Errorf("filecontent path must be set")
 	}
@@ -57,6 +57,10 @@ func (f *filecontent) validate() error {
 	if err != nil {
 		return err
 	}
+	err = validateChains(f.ImportChain, d)
+	if err != nil {
+		return err
+	}
 	return nil
 }
 

src/scribe/filename.go

@@ -40,7 +40,7 @@ func (f *filename) fireChains(d *Document) []evaluationCriteria {
 func (f *filename) mergeCriteria(c []evaluationCriteria) {
 }
 
-func (f *filename) validate() error {
+func (f *filename) validate(d *Document) error {
 	if len(f.Path) == 0 {
 		return fmt.Errorf("filename path must be set")
 	}

src/scribe/object.go

@@ -28,7 +28,7 @@ type genericSource interface {
 	getCriteria() []evaluationCriteria
 	isChain() bool
 	expandVariables([]variable)
-	validate() error
+	validate(d *Document) error
 	mergeCriteria([]evaluationCriteria)
 	fireChains(*Document) []evaluationCriteria
 }
@@ -41,7 +41,7 @@ func (o *object) validate(d *Document) error {
 	if si == nil {
 		return fmt.Errorf("%v: no valid source interface", o.Object)
 	}
-	err := si.validate()
+	err := si.validate(d)
 	if err != nil {
 		return fmt.Errorf("%v: %v", o.Object, err)
 	}

src/scribe/package.go

@@ -29,7 +29,7 @@ func (p *pkg) isChain() bool {
 	return false
 }
 
-func (p *pkg) validate() error {
+func (p *pkg) validate(d *Document) error {
 	if len(p.Name) == 0 {
 		return fmt.Errorf("package must specify name")
 	}

src/scribe/raw.go

@@ -35,7 +35,7 @@ func (r *raw) fireChains(d *Document) []evaluationCriteria {
 func (r *raw) mergeCriteria(c []evaluationCriteria) {
 }
 
-func (r *raw) validate() error {
+func (r *raw) validate(d *Document) error {
 	if len(r.Identifiers) == 0 {
 		return fmt.Errorf("at least one identifier must be present")
 	}