75 lines
1.9 KiB
Go
75 lines
1.9 KiB
Go
package internal
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import (
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"fmt"
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"sort"
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"quantex.com/qfixdpl/quickfix/datadictionary"
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)
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type fieldTypeMap map[string]*datadictionary.FieldType
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var (
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globalFieldTypesLookup fieldTypeMap
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GlobalFieldTypes []*datadictionary.FieldType
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)
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// Sort fieldtypes by name.
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type byFieldName []*datadictionary.FieldType
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func (n byFieldName) Len() int { return len(n) }
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func (n byFieldName) Swap(i, j int) { n[i], n[j] = n[j], n[i] }
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func (n byFieldName) Less(i, j int) bool { return n[i].Name() < n[j].Name() }
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func getGlobalFieldType(f *datadictionary.FieldDef) (t *datadictionary.FieldType, err error) {
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var ok bool
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t, ok = globalFieldTypesLookup[f.Name()]
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if !ok {
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err = fmt.Errorf("Unknown global type for %v", f.Name())
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}
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return
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}
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func BuildGlobalFieldTypes(specs []*datadictionary.DataDictionary) {
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globalFieldTypesLookup = make(fieldTypeMap)
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for _, spec := range specs {
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for _, field := range spec.FieldTypeByTag {
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if oldField, ok := globalFieldTypesLookup[field.Name()]; ok {
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// Merge old enums with new.
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if len(oldField.Enums) > 0 && field.Enums == nil {
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field.Enums = make(map[string]datadictionary.Enum)
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}
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for enumVal, enum := range oldField.Enums {
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if _, ok := field.Enums[enumVal]; !ok {
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// Verify an existing enum doesn't have the same description. Keep newer enum.
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okToKeepEnum := true
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for _, newEnum := range field.Enums {
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if newEnum.Description == enum.Description {
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okToKeepEnum = false
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break
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}
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}
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if okToKeepEnum {
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field.Enums[enumVal] = enum
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}
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}
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}
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}
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globalFieldTypesLookup[field.Name()] = field
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}
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}
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GlobalFieldTypes = make([]*datadictionary.FieldType, len(globalFieldTypesLookup))
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i := 0
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for _, fieldType := range globalFieldTypesLookup {
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GlobalFieldTypes[i] = fieldType
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i++
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}
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sort.Sort(byFieldName(GlobalFieldTypes))
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}
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