Move response file handling to a separate package
sbox is going to need to read and write response files, move ReadRspFile
to its own package.
Test: response_test.go
Change-Id: Iecb5486b4aaeb2531828743ad8ef784df675e18e
diff --git a/cmd/merge_zips/Android.bp b/cmd/merge_zips/Android.bp
index 930d040..c516f99 100644
--- a/cmd/merge_zips/Android.bp
+++ b/cmd/merge_zips/Android.bp
@@ -22,7 +22,7 @@
"android-archive-zip",
"blueprint-pathtools",
"soong-jar",
- "soong-zip",
+ "soong-response",
],
srcs: [
"merge_zips.go",
diff --git a/cmd/merge_zips/merge_zips.go b/cmd/merge_zips/merge_zips.go
index 274c8ee..712c7fc 100644
--- a/cmd/merge_zips/merge_zips.go
+++ b/cmd/merge_zips/merge_zips.go
@@ -25,12 +25,14 @@
"os"
"path/filepath"
"sort"
+ "strings"
+
+ "android/soong/response"
"github.com/google/blueprint/pathtools"
"android/soong/jar"
"android/soong/third_party/zip"
- soongZip "android/soong/zip"
)
// Input zip: we can open it, close it, and obtain an array of entries
@@ -690,15 +692,20 @@
inputs := make([]string, 0)
for _, input := range args[1:] {
if input[0] == '@' {
- bytes, err := ioutil.ReadFile(input[1:])
+ f, err := os.Open(strings.TrimPrefix(input[1:], "@"))
if err != nil {
log.Fatal(err)
}
- inputs = append(inputs, soongZip.ReadRespFile(bytes)...)
- continue
+
+ rspInputs, err := response.ReadRspFile(f)
+ f.Close()
+ if err != nil {
+ log.Fatal(err)
+ }
+ inputs = append(inputs, rspInputs...)
+ } else {
+ inputs = append(inputs, input)
}
- inputs = append(inputs, input)
- continue
}
log.SetFlags(log.Lshortfile)
diff --git a/response/Android.bp b/response/Android.bp
new file mode 100644
index 0000000..e19981f
--- /dev/null
+++ b/response/Android.bp
@@ -0,0 +1,16 @@
+package {
+ default_applicable_licenses: ["Android-Apache-2.0"],
+}
+
+bootstrap_go_package {
+ name: "soong-response",
+ pkgPath: "android/soong/response",
+ deps: [
+ ],
+ srcs: [
+ "response.go",
+ ],
+ testSrcs: [
+ "response_test.go",
+ ],
+}
diff --git a/response/response.go b/response/response.go
new file mode 100644
index 0000000..e8ff4b2
--- /dev/null
+++ b/response/response.go
@@ -0,0 +1,70 @@
+// Copyright 2021 Google Inc. All rights reserved.
+//
+// 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 response
+
+import (
+ "io"
+ "io/ioutil"
+ "unicode"
+)
+
+const noQuote = '\x00'
+
+// ReadRspFile reads a file in Ninja's response file format and returns its contents.
+func ReadRspFile(r io.Reader) ([]string, error) {
+ var files []string
+ var file []byte
+
+ buf, err := ioutil.ReadAll(r)
+ if err != nil {
+ return nil, err
+ }
+
+ isEscaping := false
+ quotingStart := byte(noQuote)
+ for _, c := range buf {
+ switch {
+ case isEscaping:
+ if quotingStart == '"' {
+ if !(c == '"' || c == '\\') {
+ // '\"' or '\\' will be escaped under double quoting.
+ file = append(file, '\\')
+ }
+ }
+ file = append(file, c)
+ isEscaping = false
+ case c == '\\' && quotingStart != '\'':
+ isEscaping = true
+ case quotingStart == noQuote && (c == '\'' || c == '"'):
+ quotingStart = c
+ case quotingStart != noQuote && c == quotingStart:
+ quotingStart = noQuote
+ case quotingStart == noQuote && unicode.IsSpace(rune(c)):
+ // Current character is a space outside quotes
+ if len(file) != 0 {
+ files = append(files, string(file))
+ }
+ file = file[:0]
+ default:
+ file = append(file, c)
+ }
+ }
+
+ if len(file) != 0 {
+ files = append(files, string(file))
+ }
+
+ return files, nil
+}
diff --git a/response/response_test.go b/response/response_test.go
new file mode 100644
index 0000000..99ce623
--- /dev/null
+++ b/response/response_test.go
@@ -0,0 +1,96 @@
+// Copyright 2021 Google Inc. All rights reserved.
+//
+// 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 response
+
+import (
+ "bytes"
+ "reflect"
+ "testing"
+)
+
+func TestReadRspFile(t *testing.T) {
+ testCases := []struct {
+ name, in string
+ out []string
+ }{
+ {
+ name: "single quoting test case 1",
+ in: `./cmd '"'-C`,
+ out: []string{"./cmd", `"-C`},
+ },
+ {
+ name: "single quoting test case 2",
+ in: `./cmd '-C`,
+ out: []string{"./cmd", `-C`},
+ },
+ {
+ name: "single quoting test case 3",
+ in: `./cmd '\"'-C`,
+ out: []string{"./cmd", `\"-C`},
+ },
+ {
+ name: "single quoting test case 4",
+ in: `./cmd '\\'-C`,
+ out: []string{"./cmd", `\\-C`},
+ },
+ {
+ name: "none quoting test case 1",
+ in: `./cmd \'-C`,
+ out: []string{"./cmd", `'-C`},
+ },
+ {
+ name: "none quoting test case 2",
+ in: `./cmd \\-C`,
+ out: []string{"./cmd", `\-C`},
+ },
+ {
+ name: "none quoting test case 3",
+ in: `./cmd \"-C`,
+ out: []string{"./cmd", `"-C`},
+ },
+ {
+ name: "double quoting test case 1",
+ in: `./cmd "'"-C`,
+ out: []string{"./cmd", `'-C`},
+ },
+ {
+ name: "double quoting test case 2",
+ in: `./cmd "\\"-C`,
+ out: []string{"./cmd", `\-C`},
+ },
+ {
+ name: "double quoting test case 3",
+ in: `./cmd "\""-C`,
+ out: []string{"./cmd", `"-C`},
+ },
+ {
+ name: "ninja rsp file",
+ in: "'a'\nb\n'@'\n'foo'\\''bar'\n'foo\"bar'",
+ out: []string{"a", "b", "@", "foo'bar", `foo"bar`},
+ },
+ }
+
+ for _, testCase := range testCases {
+ t.Run(testCase.name, func(t *testing.T) {
+ got, err := ReadRspFile(bytes.NewBuffer([]byte(testCase.in)))
+ if err != nil {
+ t.Errorf("unexpected error: %q", err)
+ }
+ if !reflect.DeepEqual(got, testCase.out) {
+ t.Errorf("expected %q got %q", testCase.out, got)
+ }
+ })
+ }
+}
diff --git a/zip/Android.bp b/zip/Android.bp
index b28adbd..14541eb 100644
--- a/zip/Android.bp
+++ b/zip/Android.bp
@@ -25,6 +25,7 @@
"android-archive-zip",
"blueprint-pathtools",
"soong-jar",
+ "soong-response",
],
srcs: [
"zip.go",
diff --git a/zip/cmd/main.go b/zip/cmd/main.go
index fc976f6..cbc73ed 100644
--- a/zip/cmd/main.go
+++ b/zip/cmd/main.go
@@ -24,7 +24,6 @@
import (
"flag"
"fmt"
- "io/ioutil"
"os"
"runtime"
"runtime/pprof"
@@ -32,6 +31,7 @@
"strconv"
"strings"
+ "android/soong/response"
"android/soong/zip"
)
@@ -125,12 +125,18 @@
var expandedArgs []string
for _, arg := range os.Args {
if strings.HasPrefix(arg, "@") {
- bytes, err := ioutil.ReadFile(strings.TrimPrefix(arg, "@"))
+ f, err := os.Open(strings.TrimPrefix(arg, "@"))
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
- respArgs := zip.ReadRespFile(bytes)
+
+ respArgs, err := response.ReadRspFile(f)
+ f.Close()
+ if err != nil {
+ fmt.Fprintln(os.Stderr, err.Error())
+ os.Exit(1)
+ }
expandedArgs = append(expandedArgs, respArgs...)
} else {
expandedArgs = append(expandedArgs, arg)
diff --git a/zip/zip.go b/zip/zip.go
index 088ed0d..a6490d4 100644
--- a/zip/zip.go
+++ b/zip/zip.go
@@ -29,7 +29,8 @@
"sync"
"syscall"
"time"
- "unicode"
+
+ "android/soong/response"
"github.com/google/blueprint/pathtools"
@@ -164,14 +165,12 @@
}
defer f.Close()
- list, err := ioutil.ReadAll(f)
+ arg := b.state
+ arg.SourceFiles, err = response.ReadRspFile(f)
if err != nil {
b.err = err
return b
}
-
- arg := b.state
- arg.SourceFiles = ReadRespFile(list)
for i := range arg.SourceFiles {
arg.SourceFiles[i] = pathtools.MatchEscape(arg.SourceFiles[i])
}
@@ -253,49 +252,6 @@
Filesystem pathtools.FileSystem
}
-const NOQUOTE = '\x00'
-
-func ReadRespFile(bytes []byte) []string {
- var args []string
- var arg []rune
-
- isEscaping := false
- quotingStart := NOQUOTE
- for _, c := range string(bytes) {
- switch {
- case isEscaping:
- if quotingStart == '"' {
- if !(c == '"' || c == '\\') {
- // '\"' or '\\' will be escaped under double quoting.
- arg = append(arg, '\\')
- }
- }
- arg = append(arg, c)
- isEscaping = false
- case c == '\\' && quotingStart != '\'':
- isEscaping = true
- case quotingStart == NOQUOTE && (c == '\'' || c == '"'):
- quotingStart = c
- case quotingStart != NOQUOTE && c == quotingStart:
- quotingStart = NOQUOTE
- case quotingStart == NOQUOTE && unicode.IsSpace(c):
- // Current character is a space outside quotes
- if len(arg) != 0 {
- args = append(args, string(arg))
- }
- arg = arg[:0]
- default:
- arg = append(arg, c)
- }
- }
-
- if len(arg) != 0 {
- args = append(args, string(arg))
- }
-
- return args
-}
-
func zipTo(args ZipArgs, w io.Writer) error {
if args.EmulateJar {
args.AddDirectoryEntriesToZip = true
diff --git a/zip/zip_test.go b/zip/zip_test.go
index b456ef8..a37ae41 100644
--- a/zip/zip_test.go
+++ b/zip/zip_test.go
@@ -535,78 +535,6 @@
}
}
-func TestReadRespFile(t *testing.T) {
- testCases := []struct {
- name, in string
- out []string
- }{
- {
- name: "single quoting test case 1",
- in: `./cmd '"'-C`,
- out: []string{"./cmd", `"-C`},
- },
- {
- name: "single quoting test case 2",
- in: `./cmd '-C`,
- out: []string{"./cmd", `-C`},
- },
- {
- name: "single quoting test case 3",
- in: `./cmd '\"'-C`,
- out: []string{"./cmd", `\"-C`},
- },
- {
- name: "single quoting test case 4",
- in: `./cmd '\\'-C`,
- out: []string{"./cmd", `\\-C`},
- },
- {
- name: "none quoting test case 1",
- in: `./cmd \'-C`,
- out: []string{"./cmd", `'-C`},
- },
- {
- name: "none quoting test case 2",
- in: `./cmd \\-C`,
- out: []string{"./cmd", `\-C`},
- },
- {
- name: "none quoting test case 3",
- in: `./cmd \"-C`,
- out: []string{"./cmd", `"-C`},
- },
- {
- name: "double quoting test case 1",
- in: `./cmd "'"-C`,
- out: []string{"./cmd", `'-C`},
- },
- {
- name: "double quoting test case 2",
- in: `./cmd "\\"-C`,
- out: []string{"./cmd", `\-C`},
- },
- {
- name: "double quoting test case 3",
- in: `./cmd "\""-C`,
- out: []string{"./cmd", `"-C`},
- },
- {
- name: "ninja rsp file",
- in: "'a'\nb\n'@'\n'foo'\\''bar'\n'foo\"bar'",
- out: []string{"a", "b", "@", "foo'bar", `foo"bar`},
- },
- }
-
- for _, testCase := range testCases {
- t.Run(testCase.name, func(t *testing.T) {
- got := ReadRespFile([]byte(testCase.in))
- if !reflect.DeepEqual(got, testCase.out) {
- t.Errorf("expected %q got %q", testCase.out, got)
- }
- })
- }
-}
-
func TestSrcJar(t *testing.T) {
mockFs := pathtools.MockFs(map[string][]byte{
"wrong_package.java": []byte("package foo;"),