pax_global_header00006660000000000000000000000064131134104650014510gustar00rootroot0000000000000052 comment=8451994bb753b079c663da6e2c287d9fb01e414e golang-github-mattn-go-shellwords-1.0.3/000077500000000000000000000000001311341046500201505ustar00rootroot00000000000000golang-github-mattn-go-shellwords-1.0.3/.travis.yml000066400000000000000000000003151311341046500222600ustar00rootroot00000000000000language: go go: - tip before_install: - go get github.com/mattn/goveralls - go get golang.org/x/tools/cmd/cover script: - $HOME/gopath/bin/goveralls -repotoken 2FMhp57u8LcstKL9B190fLTcEnBtAAiEL golang-github-mattn-go-shellwords-1.0.3/LICENSE000066400000000000000000000020751311341046500211610ustar00rootroot00000000000000The MIT License (MIT) Copyright (c) 2017 Yasuhiro Matsumoto Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. golang-github-mattn-go-shellwords-1.0.3/README.md000066400000000000000000000021171311341046500214300ustar00rootroot00000000000000# go-shellwords [![Coverage Status](https://coveralls.io/repos/mattn/go-shellwords/badge.png?branch=master)](https://coveralls.io/r/mattn/go-shellwords?branch=master) [![Build Status](https://travis-ci.org/mattn/go-shellwords.svg?branch=master)](https://travis-ci.org/mattn/go-shellwords) Parse line as shell words. ## Usage ```go args, err := shellwords.Parse("./foo --bar=baz") // args should be ["./foo", "--bar=baz"] ``` ```go os.Setenv("FOO", "bar") p := shellwords.NewParser() p.ParseEnv = true args, err := p.Parse("./foo $FOO") // args should be ["./foo", "bar"] ``` ```go p := shellwords.NewParser() p.ParseBacktick = true args, err := p.Parse("./foo `echo $SHELL`") // args should be ["./foo", "/bin/bash"] ``` ```go shellwords.ParseBacktick = true p := shellwords.NewParser() args, err := p.Parse("./foo `echo $SHELL`") // args should be ["./foo", "/bin/bash"] ``` # Thanks This is based on cpan module [Parse::CommandLine](https://metacpan.org/pod/Parse::CommandLine). # License under the MIT License: http://mattn.mit-license.org/2017 # Author Yasuhiro Matsumoto (a.k.a mattn) golang-github-mattn-go-shellwords-1.0.3/shellwords.go000066400000000000000000000044631311341046500226740ustar00rootroot00000000000000package shellwords import ( "errors" "os" "regexp" ) var ( ParseEnv bool = false ParseBacktick bool = false ) var envRe = regexp.MustCompile(`\$({[a-zA-Z0-9_]+}|[a-zA-Z0-9_]+)`) func isSpace(r rune) bool { switch r { case ' ', '\t', '\r', '\n': return true } return false } func replaceEnv(s string) string { return envRe.ReplaceAllStringFunc(s, func(s string) string { s = s[1:] if s[0] == '{' { s = s[1 : len(s)-1] } return os.Getenv(s) }) } type Parser struct { ParseEnv bool ParseBacktick bool Position int } func NewParser() *Parser { return &Parser{ParseEnv, ParseBacktick, 0} } func (p *Parser) Parse(line string) ([]string, error) { args := []string{} buf := "" var escaped, doubleQuoted, singleQuoted, backQuote bool backtick := "" pos := -1 got := false loop: for i, r := range line { if escaped { buf += string(r) escaped = false continue } if r == '\\' { if singleQuoted { buf += string(r) } else { escaped = true } continue } if isSpace(r) { if singleQuoted || doubleQuoted || backQuote { buf += string(r) backtick += string(r) } else if got { if p.ParseEnv { buf = replaceEnv(buf) } args = append(args, buf) buf = "" got = false } continue } switch r { case '`': if !singleQuoted && !doubleQuoted { if p.ParseBacktick { if backQuote { out, err := shellRun(backtick) if err != nil { return nil, err } buf = out } backtick = "" backQuote = !backQuote continue } backtick = "" backQuote = !backQuote } case '"': if !singleQuoted { doubleQuoted = !doubleQuoted continue } case '\'': if !doubleQuoted { singleQuoted = !singleQuoted continue } case ';', '&', '|', '<', '>': if !(escaped || singleQuoted || doubleQuoted || backQuote) { pos = i break loop } } got = true buf += string(r) if backQuote { backtick += string(r) } } if got { if p.ParseEnv { buf = replaceEnv(buf) } args = append(args, buf) } if escaped || singleQuoted || doubleQuoted || backQuote { return nil, errors.New("invalid command line string") } p.Position = pos return args, nil } func Parse(line string) ([]string, error) { return NewParser().Parse(line) } golang-github-mattn-go-shellwords-1.0.3/shellwords_test.go000066400000000000000000000077101311341046500237310ustar00rootroot00000000000000package shellwords import ( "os" "reflect" "testing" ) var testcases = []struct { line string expected []string }{ {`var --bar=baz`, []string{`var`, `--bar=baz`}}, {`var --bar="baz"`, []string{`var`, `--bar=baz`}}, {`var "--bar=baz"`, []string{`var`, `--bar=baz`}}, {`var "--bar='baz'"`, []string{`var`, `--bar='baz'`}}, {"var --bar=`baz`", []string{`var`, "--bar=`baz`"}}, {`var "--bar=\"baz'"`, []string{`var`, `--bar="baz'`}}, {`var "--bar=\'baz\'"`, []string{`var`, `--bar='baz'`}}, {`var --bar='\'`, []string{`var`, `--bar=\`}}, {`var "--bar baz"`, []string{`var`, `--bar baz`}}, {`var --"bar baz"`, []string{`var`, `--bar baz`}}, {`var --"bar baz"`, []string{`var`, `--bar baz`}}, } func TestSimple(t *testing.T) { for _, testcase := range testcases { args, err := Parse(testcase.line) if err != nil { t.Fatal(err) } if !reflect.DeepEqual(args, testcase.expected) { t.Fatalf("Expected %#v, but %#v:", testcase.expected, args) } } } func TestError(t *testing.T) { _, err := Parse("foo '") if err == nil { t.Fatal("Should be an error") } _, err = Parse(`foo "`) if err == nil { t.Fatal("Should be an error") } _, err = Parse("foo `") if err == nil { t.Fatal("Should be an error") } } func TestLastSpace(t *testing.T) { args, err := Parse("foo bar\\ ") if err != nil { t.Fatal(err) } if len(args) != 2 { t.Fatal("Should have two elements") } if args[0] != "foo" { t.Fatal("1st element should be `foo`") } if args[1] != "bar " { t.Fatal("1st element should be `bar `") } } func TestBacktick(t *testing.T) { goversion, err := shellRun("go version") if err != nil { t.Fatal(err) } parser := NewParser() parser.ParseBacktick = true args, err := parser.Parse("echo `go version`") if err != nil { t.Fatal(err) } expected := []string{"echo", goversion} if !reflect.DeepEqual(args, expected) { t.Fatalf("Expected %#v, but %#v:", expected, args) } } func TestBacktickError(t *testing.T) { parser := NewParser() parser.ParseBacktick = true _, err := parser.Parse("echo `go Version`") if err == nil { t.Fatal("Should be an error") } } func TestEnv(t *testing.T) { os.Setenv("FOO", "bar") parser := NewParser() parser.ParseEnv = true args, err := parser.Parse("echo $FOO") if err != nil { t.Fatal(err) } expected := []string{"echo", "bar"} if !reflect.DeepEqual(args, expected) { t.Fatalf("Expected %#v, but %#v:", expected, args) } } func TestNoEnv(t *testing.T) { parser := NewParser() parser.ParseEnv = true args, err := parser.Parse("echo $BAR") if err != nil { t.Fatal(err) } expected := []string{"echo", ""} if !reflect.DeepEqual(args, expected) { t.Fatalf("Expected %#v, but %#v:", expected, args) } } func TestDupEnv(t *testing.T) { os.Setenv("FOO", "bar") os.Setenv("FOO_BAR", "baz") parser := NewParser() parser.ParseEnv = true args, err := parser.Parse("echo $$FOO$") if err != nil { t.Fatal(err) } expected := []string{"echo", "$bar$"} if !reflect.DeepEqual(args, expected) { t.Fatalf("Expected %#v, but %#v:", expected, args) } args, err = parser.Parse("echo $${FOO_BAR}$") if err != nil { t.Fatal(err) } expected = []string{"echo", "$baz$"} if !reflect.DeepEqual(args, expected) { t.Fatalf("Expected %#v, but %#v:", expected, args) } } func TestHaveMore(t *testing.T) { parser := NewParser() parser.ParseEnv = true line := "echo foo; seq 1 10" args, err := parser.Parse(line) if err != nil { t.Fatalf(err.Error()) } expected := []string{"echo", "foo"} if !reflect.DeepEqual(args, expected) { t.Fatalf("Expected %#v, but %#v:", expected, args) } if parser.Position == 0 { t.Fatalf("Commands should be remaining") } line = string([]rune(line)[parser.Position+1:]) args, err = parser.Parse(line) if err != nil { t.Fatalf(err.Error()) } expected = []string{"seq", "1", "10"} if !reflect.DeepEqual(args, expected) { t.Fatalf("Expected %#v, but %#v:", expected, args) } if parser.Position > 0 { t.Fatalf("Commands should not be remaining") } } golang-github-mattn-go-shellwords-1.0.3/util_posix.go000066400000000000000000000005171311341046500227010ustar00rootroot00000000000000// +build !windows package shellwords import ( "errors" "os" "os/exec" "strings" ) func shellRun(line string) (string, error) { shell := os.Getenv("SHELL") b, err := exec.Command(shell, "-c", line).Output() if err != nil { return "", errors.New(err.Error() + ":" + string(b)) } return strings.TrimSpace(string(b)), nil } golang-github-mattn-go-shellwords-1.0.3/util_windows.go000066400000000000000000000004751311341046500232340ustar00rootroot00000000000000package shellwords import ( "errors" "os" "os/exec" "strings" ) func shellRun(line string) (string, error) { shell := os.Getenv("COMSPEC") b, err := exec.Command(shell, "/c", line).Output() if err != nil { return "", errors.New(err.Error() + ":" + string(b)) } return strings.TrimSpace(string(b)), nil }