util.go

// Copyright (c) Jeevanandam M. (https://github.com/jeevatkm)
// go-aah/view source code and usage is governed by a MIT style
// license that can be found in the LICENSE file.

package view

import (
	"bytes"
	"strings"
)

// StripPathPrefixAt method strips the given path to path cut position.
//
// For Example:
//
// 	path := "/Users/jeeva/go/src/github.com/go-aah/tutorials/form/views/common/header.html"
// 	result := StripPrefixAt(path, "views/")
func StripPathPrefixAt(str, pathCut string) string {
	if idx := strings.Index(str, pathCut); idx > 0 {
		return str[idx+len(pathCut):]
	}
	return str
}

// TrimPathPrefix method trims given file paths by prefix and
// returns comma separated string.
func TrimPathPrefix(prefix string, fpaths ...string) string {
	var fs []string
	for _, fp := range fpaths {
		fs = append(fs, trimPathPrefix(prefix, fp))
	}
	return strings.Join(fs, ", ")
}

func trimPathPrefix(prefix, fpath string) string {
	fpath = strings.TrimPrefix(fpath, prefix)
	if fpath[0] == '/' || fpath[0] == '\\' {
		fpath = fpath[1:]
	}
	return fpath
}

func acquireBuffer() *bytes.Buffer {
	return bufPool.Get().(*bytes.Buffer)
}

func releaseBuffer(buf *bytes.Buffer) {
	buf.Reset()
	bufPool.Put(buf)
}