1 files changed, 170 insertions, 0 deletions
diff --git a/vendor/xorm.io/xorm/statement_args.go b/vendor/xorm.io/xorm/statement_args.go
new file mode 100644
index 0000000000..310f24d6b9
--- /dev/null
+++ b/vendor/xorm.io/xorm/statement_args.go
@@ -0,0 +1,170 @@
+// Copyright 2019 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 (
+	"fmt"
+	"reflect"
+	"strings"
+	"time"
+
+	"xorm.io/builder"
+	"xorm.io/core"
+)
+
+func quoteNeeded(a interface{}) bool {
+	switch a.(type) {
+	case int, int8, int16, int32, int64:
+		return false
+	case uint, uint8, uint16, uint32, uint64:
+		return false
+	case float32, float64:
+		return false
+	case bool:
+		return false
+	case string:
+		return true
+	case time.Time, *time.Time:
+		return true
+	case builder.Builder, *builder.Builder:
+		return false
+	}
+
+	t := reflect.TypeOf(a)
+	switch t.Kind() {
+	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+		return false
+	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+		return false
+	case reflect.Float32, reflect.Float64:
+		return false
+	case reflect.Bool:
+		return false
+	case reflect.String:
+		return true
+	}
+
+	return true
+}
+
+func convertStringSingleQuote(arg string) string {
+	return "'" + strings.Replace(arg, "'", "''", -1) + "'"
+}
+
+func convertString(arg string) string {
+	var buf strings.Builder
+	buf.WriteRune('\'')
+	for _, c := range arg {
+		if c == '\\' || c == '\'' {
+			buf.WriteRune('\\')
+		}
+		buf.WriteRune(c)
+	}
+	buf.WriteRune('\'')
+	return buf.String()
+}
+
+func convertArg(arg interface{}, convertFunc func(string) string) string {
+	if quoteNeeded(arg) {
+		argv := fmt.Sprintf("%v", arg)
+		return convertFunc(argv)
+	}
+
+	return fmt.Sprintf("%v", arg)
+}
+
+const insertSelectPlaceHolder = true
+
+func (statement *Statement) writeArg(w *builder.BytesWriter, arg interface{}) error {
+	switch argv := arg.(type) {
+	case bool:
+		if statement.Engine.dialect.DBType() == core.MSSQL {
+			if argv {
+				if _, err := w.WriteString("1"); err != nil {
+					return err
+				}
+			} else {
+				if _, err := w.WriteString("0"); err != nil {
+					return err
+				}
+			}
+		} else {
+			if argv {
+				if _, err := w.WriteString("true"); err != nil {
+					return err
+				}
+			} else {
+				if _, err := w.WriteString("false"); err != nil {
+					return err
+				}
+			}
+		}
+	case *builder.Builder:
+		if _, err := w.WriteString("("); err != nil {
+			return err
+		}
+		if err := argv.WriteTo(w); err != nil {
+			return err
+		}
+		if _, err := w.WriteString(")"); err != nil {
+			return err
+		}
+	default:
+		if insertSelectPlaceHolder {
+			if err := w.WriteByte('?'); err != nil {
+				return err
+			}
+			w.Append(arg)
+		} else {
+			var convertFunc = convertStringSingleQuote
+			if statement.Engine.dialect.DBType() == core.MYSQL {
+				convertFunc = convertString
+			}
+			if _, err := w.WriteString(convertArg(arg, convertFunc)); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func (statement *Statement) writeArgs(w *builder.BytesWriter, args []interface{}) error {
+	for i, arg := range args {
+		if err := statement.writeArg(w, arg); err != nil {
+			return err
+		}
+
+		if i+1 != len(args) {
+			if _, err := w.WriteString(","); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}
+
+func writeStrings(w *builder.BytesWriter, cols []string, leftQuote, rightQuote string) error {
+	for i, colName := range cols {
+		if len(leftQuote) > 0 && colName[0] != '`' {
+			if _, err := w.WriteString(leftQuote); err != nil {
+				return err
+			}
+		}
+		if _, err := w.WriteString(colName); err != nil {
+			return err
+		}
+		if len(rightQuote) > 0 && colName[len(colName)-1] != '`' {
+			if _, err := w.WriteString(rightQuote); err != nil {
+				return err
+			}
+		}
+		if i+1 != len(cols) {
+			if _, err := w.WriteString(","); err != nil {
+				return err
+			}
+		}
+	}
+	return nil
+}