1 files changed, 332 insertions, 0 deletions
diff --git a/vendor/xorm.io/xorm/helpers.go b/vendor/xorm.io/xorm/helpers.go
new file mode 100644
index 0000000000..a31e922c0b
--- /dev/null
+++ b/vendor/xorm.io/xorm/helpers.go
@@ -0,0 +1,332 @@
+// Copyright 2015 The Xorm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package xorm
+
+import (
+	"errors"
+	"fmt"
+	"reflect"
+	"sort"
+	"strconv"
+	"strings"
+
+	"xorm.io/core"
+)
+
+// str2PK convert string value to primary key value according to tp
+func str2PKValue(s string, tp reflect.Type) (reflect.Value, error) {
+	var err error
+	var result interface{}
+	var defReturn = reflect.Zero(tp)
+
+	switch tp.Kind() {
+	case reflect.Int:
+		result, err = strconv.Atoi(s)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as int: %s", s, err.Error())
+		}
+	case reflect.Int8:
+		x, err := strconv.Atoi(s)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as int8: %s", s, err.Error())
+		}
+		result = int8(x)
+	case reflect.Int16:
+		x, err := strconv.Atoi(s)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as int16: %s", s, err.Error())
+		}
+		result = int16(x)
+	case reflect.Int32:
+		x, err := strconv.Atoi(s)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as int32: %s", s, err.Error())
+		}
+		result = int32(x)
+	case reflect.Int64:
+		result, err = strconv.ParseInt(s, 10, 64)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as int64: %s", s, err.Error())
+		}
+	case reflect.Uint:
+		x, err := strconv.ParseUint(s, 10, 64)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as uint: %s", s, err.Error())
+		}
+		result = uint(x)
+	case reflect.Uint8:
+		x, err := strconv.ParseUint(s, 10, 64)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as uint8: %s", s, err.Error())
+		}
+		result = uint8(x)
+	case reflect.Uint16:
+		x, err := strconv.ParseUint(s, 10, 64)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as uint16: %s", s, err.Error())
+		}
+		result = uint16(x)
+	case reflect.Uint32:
+		x, err := strconv.ParseUint(s, 10, 64)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as uint32: %s", s, err.Error())
+		}
+		result = uint32(x)
+	case reflect.Uint64:
+		result, err = strconv.ParseUint(s, 10, 64)
+		if err != nil {
+			return defReturn, fmt.Errorf("convert %s as uint64: %s", s, err.Error())
+		}
+	case reflect.String:
+		result = s
+	default:
+		return defReturn, errors.New("unsupported convert type")
+	}
+	return reflect.ValueOf(result).Convert(tp), nil
+}
+
+func str2PK(s string, tp reflect.Type) (interface{}, error) {
+	v, err := str2PKValue(s, tp)
+	if err != nil {
+		return nil, err
+	}
+	return v.Interface(), nil
+}
+
+func splitTag(tag string) (tags []string) {
+	tag = strings.TrimSpace(tag)
+	var hasQuote = false
+	var lastIdx = 0
+	for i, t := range tag {
+		if t == '\'' {
+			hasQuote = !hasQuote
+		} else if t == ' ' {
+			if lastIdx < i && !hasQuote {
+				tags = append(tags, strings.TrimSpace(tag[lastIdx:i]))
+				lastIdx = i + 1
+			}
+		}
+	}
+	if lastIdx < len(tag) {
+		tags = append(tags, strings.TrimSpace(tag[lastIdx:]))
+	}
+	return
+}
+
+type zeroable interface {
+	IsZero() bool
+}
+
+func isZero(k interface{}) bool {
+	switch k.(type) {
+	case int:
+		return k.(int) == 0
+	case int8:
+		return k.(int8) == 0
+	case int16:
+		return k.(int16) == 0
+	case int32:
+		return k.(int32) == 0
+	case int64:
+		return k.(int64) == 0
+	case uint:
+		return k.(uint) == 0
+	case uint8:
+		return k.(uint8) == 0
+	case uint16:
+		return k.(uint16) == 0
+	case uint32:
+		return k.(uint32) == 0
+	case uint64:
+		return k.(uint64) == 0
+	case float32:
+		return k.(float32) == 0
+	case float64:
+		return k.(float64) == 0
+	case bool:
+		return k.(bool) == false
+	case string:
+		return k.(string) == ""
+	case zeroable:
+		return k.(zeroable).IsZero()
+	}
+	return false
+}
+
+func isStructZero(v reflect.Value) bool {
+	if !v.IsValid() {
+		return true
+	}
+
+	for i := 0; i < v.NumField(); i++ {
+		field := v.Field(i)
+		switch field.Kind() {
+		case reflect.Ptr:
+			field = field.Elem()
+			fallthrough
+		case reflect.Struct:
+			if !isStructZero(field) {
+				return false
+			}
+		default:
+			if field.CanInterface() && !isZero(field.Interface()) {
+				return false
+			}
+		}
+	}
+	return true
+}
+
+func isArrayValueZero(v reflect.Value) bool {
+	if !v.IsValid() || v.Len() == 0 {
+		return true
+	}
+
+	for i := 0; i < v.Len(); i++ {
+		if !isZero(v.Index(i).Interface()) {
+			return false
+		}
+	}
+
+	return true
+}
+
+func int64ToIntValue(id int64, tp reflect.Type) reflect.Value {
+	var v interface{}
+	kind := tp.Kind()
+
+	if kind == reflect.Ptr {
+		kind = tp.Elem().Kind()
+	}
+
+	switch kind {
+	case reflect.Int16:
+		temp := int16(id)
+		v = &temp
+	case reflect.Int32:
+		temp := int32(id)
+		v = &temp
+	case reflect.Int:
+		temp := int(id)
+		v = &temp
+	case reflect.Int64:
+		temp := id
+		v = &temp
+	case reflect.Uint16:
+		temp := uint16(id)
+		v = &temp
+	case reflect.Uint32:
+		temp := uint32(id)
+		v = &temp
+	case reflect.Uint64:
+		temp := uint64(id)
+		v = &temp
+	case reflect.Uint:
+		temp := uint(id)
+		v = &temp
+	}
+
+	if tp.Kind() == reflect.Ptr {
+		return reflect.ValueOf(v).Convert(tp)
+	}
+	return reflect.ValueOf(v).Elem().Convert(tp)
+}
+
+func int64ToInt(id int64, tp reflect.Type) interface{} {
+	return int64ToIntValue(id, tp).Interface()
+}
+
+func isPKZero(pk core.PK) bool {
+	for _, k := range pk {
+		if isZero(k) {
+			return true
+		}
+	}
+	return false
+}
+
+func indexNoCase(s, sep string) int {
+	return strings.Index(strings.ToLower(s), strings.ToLower(sep))
+}
+
+func splitNoCase(s, sep string) []string {
+	idx := indexNoCase(s, sep)
+	if idx < 0 {
+		return []string{s}
+	}
+	return strings.Split(s, s[idx:idx+len(sep)])
+}
+
+func splitNNoCase(s, sep string, n int) []string {
+	idx := indexNoCase(s, sep)
+	if idx < 0 {
+		return []string{s}
+	}
+	return strings.SplitN(s, s[idx:idx+len(sep)], n)
+}
+
+func makeArray(elem string, count int) []string {
+	res := make([]string, count)
+	for i := 0; i < count; i++ {
+		res[i] = elem
+	}
+	return res
+}
+
+func rValue(bean interface{}) reflect.Value {
+	return reflect.Indirect(reflect.ValueOf(bean))
+}
+
+func rType(bean interface{}) reflect.Type {
+	sliceValue := reflect.Indirect(reflect.ValueOf(bean))
+	// return reflect.TypeOf(sliceValue.Interface())
+	return sliceValue.Type()
+}
+
+func structName(v reflect.Type) string {
+	for v.Kind() == reflect.Ptr {
+		v = v.Elem()
+	}
+	return v.Name()
+}
+
+func sliceEq(left, right []string) bool {
+	if len(left) != len(right) {
+		return false
+	}
+	sort.Sort(sort.StringSlice(left))
+	sort.Sort(sort.StringSlice(right))
+	for i := 0; i < len(left); i++ {
+		if left[i] != right[i] {
+			return false
+		}
+	}
+	return true
+}
+
+func indexName(tableName, idxName string) string {
+	return fmt.Sprintf("IDX_%v_%v", tableName, idxName)
+}
+
+func eraseAny(value string, strToErase ...string) string {
+	if len(strToErase) == 0 {
+		return value
+	}
+	var replaceSeq []string
+	for _, s := range strToErase {
+		replaceSeq = append(replaceSeq, s, "")
+	}
+
+	replacer := strings.NewReplacer(replaceSeq...)
+
+	return replacer.Replace(value)
+}
+
+func quoteColumns(cols []string, quoteFunc func(string) string, sep string) string {
+	for i := range cols {
+		cols[i] = quoteFunc(cols[i])
+	}
+	return strings.Join(cols, sep+" ")
+}