add support for XSD schema without explicit targetNamespace definition

Fixes: #15

Author: isimluk

pkg/xsd/schema.go

@@ -4,6 +4,7 @@ import (
 	"encoding/xml"
 	"fmt"
 	"io"
+	"os"
 	"path/filepath"
 	"sort"
 	"strings"
@@ -52,6 +53,11 @@ func (sch *Schema) UnmarshalXML(d *xml.Decoder, start xml.StartElement) error {
 }
 
 func (sch *Schema) compile() {
+	if sch.TargetNamespace == "" {
+		fmt.Fprintf(os.Stderr, "Warning: missing explicit /xsd:chema/@targetNamespace; using '%s' instead\n", sch.GoPackageName())
+		sch.TargetNamespace = sch.GoPackageName()
+	}
+
 	for idx := range sch.Elements {
 		el := &sch.Elements[idx]
 		el.compile(sch, nil)

tests/xsd-examples/valid/issue129.xsd.out

@@ -1,5 +1,5 @@
 // Code generated by https://github.com/gocomply/xsd2go; DO NOT EDIT.
-// Models for
+// Models for issue129
 package issue129
 
 import (

tests/xsd-examples/valid/without_targetNamespace.xsd

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
+    <!-- definition of simple elements -->
+    <xs:element name="name" type="xs:string"/>
+    <!-- definition of complex elements -->
+    <xs:element name="referencingthename">
+        <xs:complexType>
+            <xs:sequence>
+                <xs:element ref="name"/>
+            </xs:sequence>
+        </xs:complexType>
+    </xs:element>
+</xs:schema>

tests/xsd-examples/valid/without_targetNamespace.xsd.out

@@ -0,0 +1,25 @@
+// Code generated by https://github.com/gocomply/xsd2go; DO NOT EDIT.
+// Models for without_targetNamespace
+package without_targetNamespace
+
+import (
+	"encoding/xml"
+)
+
+// Element
+type Name struct {
+	XMLName xml.Name `xml:"name"`
+
+	Text string `xml:",chardata"`
+}
+
+// Element
+type Referencingthename struct {
+	XMLName xml.Name `xml:"referencingthename"`
+
+	Name string `xml:",any"`
+}
+
+// XSD ComplexType declarations
+
+// XSD SimpleType declarations