template.go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package sqlchemy

import (
	"bytes"
	"text/template"
)

var (
	templateTbl = make(map[string]*template.Template)
)

func TemplateEval(temp string, variables interface{}) string {
	if eval, ok := templateTbl[temp]; !ok {
		eval = template.Must(template.New(temp).Parse(temp))
		templateTbl[temp] = eval
	}
	buf := new(bytes.Buffer)
	templateTbl[temp].Execute(buf, variables)
	return buf.String()
}