forked from zhuxiujia/GoMybatis
/
RegexReplaceArg.go
237 lines (225 loc) · 4.93 KB
/
RegexReplaceArg.go
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package ast
import (
"bytes"
"errors"
"fmt"
"strings"
"time"
)
const Adapter_FormateDate = `2006-01-02 15:04:05`
//执行替换操作
func Replace(findStrs []string, data string, arg map[string]interface{}, engine ExpressionEngine, arg_array *[]interface{}) (string, error) {
for _, findStr := range findStrs {
var choice interface{}
var argValue = arg[findStr]
if argValue != nil {
choice = argValue
*arg_array = append(*arg_array, argValue)
} else {
//exec lexer
var err error
evalData, err := engine.LexerAndEval(findStr, arg)
if err != nil {
return "", errors.New(engine.Name() + ":" + err.Error())
}
choice = evalData
*arg_array = append(*arg_array, evalData)
}
data = strings.Replace(data, "#{"+findStr+"}", Convert(choice), -1)
//data = strings.Replace(data, "#{"+findStr+"}", indexConvert.Convert(), -1)
}
return data, nil
}
//执行替换操作
func ReplaceRaw(findStrs []string, data string, typeConvert SqlArgTypeConvert, arg map[string]interface{}, engine ExpressionEngine) (string, error) {
for _, findStr := range findStrs {
var evalData interface{}
//find param arg
var argValue = arg[findStr]
if argValue != nil {
evalData = argValue
} else {
//exec lexer
var err error
evalData, err = engine.LexerAndEval(findStr, arg)
if err != nil {
return "", errors.New(engine.Name() + ":" + err.Error())
}
}
var resultStr string
if typeConvert != nil {
resultStr = typeConvert.Convert(evalData)
} else {
resultStr = fmt.Sprint(evalData)
}
data = strings.Replace(data, "${"+findStr+"}", resultStr, -1)
}
arg = nil
typeConvert = nil
return data, nil
}
//find like #{*} value *
func FindExpress(str string) []string {
var finds = []string{}
var item []byte
var lastIndex = -1
var startIndex = -1
var strBytes = []byte(str)
for index, v := range strBytes {
if v == 35 {
lastIndex = index
}
if v == 123 && lastIndex == (index-1) {
startIndex = index + 1
}
if v == 125 && startIndex != -1 {
item = strBytes[startIndex:index]
//去掉逗号之后的部分
if bytes.Contains(item, []byte(",")) {
item = bytes.Split(item, []byte(","))[0]
}
finds = append(finds, string(item))
item = nil
startIndex = -1
lastIndex = -1
}
}
item = nil
strBytes = nil
var strs = []string{}
for _, k := range finds {
strs = append(strs, k)
}
return strs
}
//find like ${*} value *
func FindRawExpressString(str string) []string {
var finds = []string{}
var item []byte
var lastIndex = -1
var startIndex = -1
var strBytes = []byte(str)
for index, v := range str {
if v == 36 {
lastIndex = index
}
if v == 123 && lastIndex == (index-1) {
startIndex = index + 1
}
if v == 125 && startIndex != -1 {
item = strBytes[startIndex:index]
//去掉逗号之后的部分
if bytes.Contains(item, []byte(",")) {
item = bytes.Split(item, []byte(","))[0]
}
finds = append(finds, string(item))
item = nil
startIndex = -1
lastIndex = -1
}
}
item = nil
strBytes = nil
var strs = []string{}
for _, k := range finds {
strs = append(strs, k)
}
return strs
}
func Convert(argValue interface{}) string {
if argValue == nil {
return "''"
}
switch argValue.(type) {
case string:
var argStr bytes.Buffer
argStr.WriteString(`'`)
argStr.WriteString(argValue.(string))
argStr.WriteString(`'`)
return argStr.String()
case *string:
var v = argValue.(*string)
if v == nil {
return "''"
}
var argStr bytes.Buffer
argStr.WriteString(`'`)
argStr.WriteString(*v)
argStr.WriteString(`'`)
return argStr.String()
case bool:
if argValue.(bool) {
return "true"
} else {
return "false"
}
case *bool:
var v = argValue.(*bool)
if v == nil {
return "''"
}
if *v {
return "true"
} else {
return "false"
}
case time.Time:
var argStr bytes.Buffer
argStr.WriteString(`'`)
argStr.WriteString(argValue.(time.Time).Format(Adapter_FormateDate))
argStr.WriteString(`'`)
return argStr.String()
case *time.Time:
var timePtr = argValue.(*time.Time)
if timePtr == nil {
return "''"
}
var argStr bytes.Buffer
argStr.WriteString(`'`)
argStr.WriteString(timePtr.Format(Adapter_FormateDate))
argStr.WriteString(`'`)
return argStr.String()
case int, int16, int32, int64, float32, float64:
return fmt.Sprint(argValue)
case *int:
var v = argValue.(*int)
if v == nil {
return ""
}
return fmt.Sprint(*v)
case *int16:
var v = argValue.(*int16)
if v == nil {
return ""
}
return fmt.Sprint(*v)
case *int32:
var v = argValue.(*int32)
if v == nil {
return ""
}
return fmt.Sprint(*v)
case *int64:
var v = argValue.(*int64)
if v == nil {
return ""
}
return fmt.Sprint(*v)
case *float32:
var v = argValue.(*float32)
if v == nil {
return ""
}
return fmt.Sprint(*v)
case *float64:
var v = argValue.(*float64)
if v == nil {
return ""
}
return fmt.Sprint(*v)
}
if argValue == nil {
return ""
}
return fmt.Sprint(argValue)
}