github.com/projectriff/riff-cli@v0.0.5-0.20180301104501-5db7a3bd9fc1/pkg/functions/functions.go (about) 1 /* 2 * Copyright 2018 the original author or authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package functions 17 18 import ( 19 "path/filepath" 20 "github.com/projectriff/riff-cli/pkg/osutils" 21 "errors" 22 "fmt" 23 ) 24 25 func FunctionNameFromPath(path string) (string, error) { 26 abs,err := AbsPath(path) 27 if err != nil { 28 return "", err 29 } 30 if osutils.IsDirectory(abs) { 31 return filepath.Base(abs), nil 32 } 33 return filepath.Base(filepath.Dir(abs)), nil 34 } 35 36 func FunctionDirFromPath(path string) (string, error) { 37 abs,err := AbsPath(path) 38 if err != nil { 39 return "", err 40 } 41 if osutils.IsDirectory(abs) { 42 return abs, nil 43 } 44 return filepath.Dir(abs), nil 45 } 46 47 func AbsPath(path string) (string, error) { 48 if path == "" { 49 path = "." 50 } 51 if !osutils.FileExists(path) { 52 return "", errors.New(fmt.Sprintf("path '%s' does not exist",path)); 53 } 54 abs,err := filepath.Abs(path) 55 if err != nil { 56 return "", err 57 } 58 return abs, nil 59 }