adding quickfix

quickfix/datadictionary/xml.go

@@ -0,0 +1,63 @@
+package datadictionary
+
+import (
+	"encoding/xml"
+)
+
+// XMLDoc is the unmarshalled root of a FIX Dictionary.
+type XMLDoc struct {
+	Type        string `xml:"type,attr"`
+	Major       string `xml:"major,attr"`
+	Minor       string `xml:"minor,attr"`
+	ServicePack int    `xml:"servicepack,attr"`
+
+	Header     *XMLComponent   `xml:"header"`
+	Trailer    *XMLComponent   `xml:"trailer"`
+	Messages   []*XMLComponent `xml:"messages>message"`
+	Components []*XMLComponent `xml:"components>component"`
+	Fields     []*XMLField     `xml:"fields>field"`
+}
+
+// XMLComponent can represent header, trailer, messages/message, or components/component xml elements.
+type XMLComponent struct {
+	Name    string `xml:"name,attr"`
+	MsgCat  string `xml:"msgcat,attr"`
+	MsgType string `xml:"msgtype,attr"`
+
+	Members []*XMLComponentMember `xml:",any"`
+}
+
+// XMLField represents the fields/field xml element.
+type XMLField struct {
+	Number int         `xml:"number,attr"`
+	Name   string      `xml:"name,attr"`
+	Type   string      `xml:"type,attr"`
+	Values []*XMLValue `xml:"value"`
+}
+
+// XMLValue represents the fields/field/value xml element.
+type XMLValue struct {
+	Enum        string `xml:"enum,attr"`
+	Description string `xml:"description,attr"`
+}
+
+// XMLComponentMember represents child elements of header, trailer, messages/message, and components/component elements.
+type XMLComponentMember struct {
+	XMLName  xml.Name
+	Name     string `xml:"name,attr"`
+	Required string `xml:"required,attr"`
+
+	Members []*XMLComponentMember `xml:",any"`
+}
+
+func (member XMLComponentMember) isComponent() bool {
+	return member.XMLName.Local == "component"
+}
+
+func (member XMLComponentMember) isGroup() bool {
+	return member.XMLName.Local == "group"
+}
+
+func (member XMLComponentMember) isRequired() bool {
+	return member.Required == "Y"
+}