1 files changed, 107 insertions, 0 deletions
diff --git a/vendor/github.com/gocarina/gocsv/reflect.go b/vendor/github.com/gocarina/gocsv/reflect.go
new file mode 100644
index 0000000..9217e30
--- /dev/null
+++ b/vendor/github.com/gocarina/gocsv/reflect.go
@@ -0,0 +1,107 @@
+package gocsv
+
+import (
+	"reflect"
+	"strings"
+	"sync"
+)
+
+// --------------------------------------------------------------------------
+// Reflection helpers
+
+type structInfo struct {
+	Fields []fieldInfo
+}
+
+// fieldInfo is a struct field that should be mapped to a CSV column, or vice-versa
+// Each IndexChain element before the last is the index of an the embedded struct field
+// that defines Key as a tag
+type fieldInfo struct {
+	keys       []string
+	omitEmpty  bool
+	IndexChain []int
+}
+
+func (f fieldInfo) getFirstKey() string {
+	return f.keys[0]
+}
+
+func (f fieldInfo) matchesKey(key string) bool {
+	for _, k := range f.keys {
+		if key == k || strings.TrimSpace(key) == k {
+			return true
+		}
+	}
+	return false
+}
+
+var structMap = make(map[reflect.Type]*structInfo)
+var structMapMutex sync.RWMutex
+
+func getStructInfo(rType reflect.Type) *structInfo {
+	structMapMutex.RLock()
+	stInfo, ok := structMap[rType]
+	structMapMutex.RUnlock()
+	if ok {
+		return stInfo
+	}
+	fieldsList := getFieldInfos(rType, []int{})
+	stInfo = &structInfo{fieldsList}
+	return stInfo
+}
+
+func getFieldInfos(rType reflect.Type, parentIndexChain []int) []fieldInfo {
+	fieldsCount := rType.NumField()
+	fieldsList := make([]fieldInfo, 0, fieldsCount)
+	for i := 0; i < fieldsCount; i++ {
+		field := rType.Field(i)
+		if field.PkgPath != "" {
+			continue
+		}
+		indexChain := append(parentIndexChain, i)
+		// if the field is an embedded struct, create a fieldInfo for each of its fields
+		if field.Anonymous && field.Type.Kind() == reflect.Struct {
+			fieldsList = append(fieldsList, getFieldInfos(field.Type, indexChain)...)
+			continue
+		}
+		fieldInfo := fieldInfo{IndexChain: indexChain}
+		fieldTag := field.Tag.Get("csv")
+		fieldTags := strings.Split(fieldTag, TagSeparator)
+		filteredTags := []string{}
+		for _, fieldTagEntry := range fieldTags {
+			if fieldTagEntry != "omitempty" {
+				filteredTags = append(filteredTags, fieldTagEntry)
+			} else {
+				fieldInfo.omitEmpty = true
+			}
+		}
+
+		if len(filteredTags) == 1 && filteredTags[0] == "-" {
+			continue
+		} else if len(filteredTags) > 0 && filteredTags[0] != "" {
+			fieldInfo.keys = filteredTags
+		} else {
+			fieldInfo.keys = []string{field.Name}
+		}
+		fieldsList = append(fieldsList, fieldInfo)
+	}
+	return fieldsList
+}
+
+func getConcreteContainerInnerType(in reflect.Type) (inInnerWasPointer bool, inInnerType reflect.Type) {
+	inInnerType = in.Elem()
+	inInnerWasPointer = false
+	if inInnerType.Kind() == reflect.Ptr {
+		inInnerWasPointer = true
+		inInnerType = inInnerType.Elem()
+	}
+	return inInnerWasPointer, inInnerType
+}
+
+func getConcreteReflectValueAndType(in interface{}) (reflect.Value, reflect.Type) {
+	value := reflect.ValueOf(in)
+	if value.Kind() == reflect.Ptr {
+		value = value.Elem()
+	}
+	return value, value.Type()
+}