Strips existing code. Refactors directory structure and begins

implementation of version 3.0.1.
This commit is contained in:
Jim Teeuwen 2013-10-29 16:16:12 +01:00
父節點 79847ab3e9
當前提交 6187b52beb
共有 13 個檔案被更改,包括 1 行新增8817 行删除

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@ -7,4 +7,5 @@
# #
# Please keep the list sorted. # Please keep the list sorted.
Alan Shreve <alan@inconshreveable.com>
Jim Teeuwen <jimteeuwen at gmail dot com> Jim Teeuwen <jimteeuwen at gmail dot com>

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@ -1,37 +0,0 @@
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// license. Its contents can be found at:
// http://creativecommons.org/publicdomain/zero/1.0/
package bindata
import (
"fmt"
"io"
)
var newline = []byte{'\n'}
type ByteWriter struct {
io.Writer
c int
}
func (w *ByteWriter) Write(p []byte) (n int, err error) {
if len(p) == 0 {
return
}
for n = range p {
if w.c%12 == 0 {
w.Writer.Write(newline)
w.c = 0
}
fmt.Fprintf(w.Writer, "0x%02x,", p[n])
w.c++
}
n++
return
}

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@ -1,30 +0,0 @@
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// license. Its contents can be found at:
// http://creativecommons.org/publicdomain/zero/1.0/
package bindata
import (
"fmt"
"io"
)
type StringWriter struct {
io.Writer
c int
}
func (w *StringWriter) Write(p []byte) (n int, err error) {
if len(p) == 0 {
return
}
for n = range p {
fmt.Fprintf(w.Writer, "\\x%02x", p[n])
w.c++
}
n++
return
}

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@ -1,39 +0,0 @@
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// license. Its contents can be found at:
// http://creativecommons.org/publicdomain/zero/1.0/
package bindata
import (
"fmt"
"io"
"io/ioutil"
"path/filepath"
"strings"
)
// createTOC writes a table of contents file to the given location.
func CreateTOC(dir, pkgname string) error {
file := filepath.Join(dir, "bindata-toc.go")
code := fmt.Sprintf(`package %s
// Global Table of Contents map. Generated by go-bindata.
// After startup of the program, all generated data files will
// put themselves in this map. The key is the full filename, as
// supplied to go-bindata.
var go_bindata = make(map[string]func() []byte)`, pkgname)
return ioutil.WriteFile(file, []byte(code), 0600)
}
// WriteTOCInit writes the TOC init function for a given data file
// replacing the prefix in the filename by "", funcname being the translated function name
func WriteTOCInit(output io.Writer, filename, prefix, funcname string) {
filename = strings.Replace(filename, prefix, "", 1)
fmt.Fprintf(output, `
func init() {
go_bindata[%q] = %s
}
`, filename, funcname)
}

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@ -1,187 +0,0 @@
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// license. Its contents can be found at:
// http://creativecommons.org/publicdomain/zero/1.0/
package bindata
import (
"compress/gzip"
"fmt"
"io"
"regexp"
"strings"
"unicode"
)
var regFuncName = regexp.MustCompile(`[^a-zA-Z0-9_]`)
// translate translates the input file to go source code.
func Translate(input io.Reader, output io.Writer, pkgname, funcname string, uncompressed, nomemcpy bool) {
if nomemcpy {
if uncompressed {
translate_nomemcpy_uncomp(input, output, pkgname, funcname)
} else {
translate_nomemcpy_comp(input, output, pkgname, funcname)
}
} else {
if uncompressed {
translate_memcpy_uncomp(input, output, pkgname, funcname)
} else {
translate_memcpy_comp(input, output, pkgname, funcname)
}
}
}
// input -> gzip -> gowriter -> output.
func translate_memcpy_comp(input io.Reader, output io.Writer, pkgname, funcname string) {
fmt.Fprintf(output, `package %s
import (
"bytes"
"compress/gzip"
"io"
)
// %s returns raw, uncompressed file data.
func %s() []byte {
gz, err := gzip.NewReader(bytes.NewBuffer([]byte{`, pkgname, funcname, funcname)
gz := gzip.NewWriter(&ByteWriter{Writer: output})
io.Copy(gz, input)
gz.Close()
fmt.Fprint(output, `
}))
if err != nil {
panic("Decompression failed: " + err.Error())
}
var b bytes.Buffer
io.Copy(&b, gz)
gz.Close()
return b.Bytes()
}`)
}
// input -> gzip -> gowriter -> output.
func translate_memcpy_uncomp(input io.Reader, output io.Writer, pkgname, funcname string) {
fmt.Fprintf(output, `package %s
// %s returns raw file data.
func %s() []byte {
return []byte{`, pkgname, funcname, funcname)
io.Copy(&ByteWriter{Writer: output}, input)
fmt.Fprint(output, `
}
}`)
}
// input -> gzip -> gowriter -> output.
func translate_nomemcpy_comp(input io.Reader, output io.Writer, pkgname, funcname string) {
fmt.Fprintf(output, `package %s
import (
"bytes"
"compress/gzip"
"io"
"reflect"
"unsafe"
)
var _%s = "`, pkgname, funcname)
gz := gzip.NewWriter(&StringWriter{Writer: output})
io.Copy(gz, input)
gz.Close()
fmt.Fprintf(output, `"
// %s returns raw, uncompressed file data.
func %s() []byte {
var empty [0]byte
sx := (*reflect.StringHeader)(unsafe.Pointer(&_%s))
b := empty[:]
bx := (*reflect.SliceHeader)(unsafe.Pointer(&b))
bx.Data = sx.Data
bx.Len = len(_%s)
bx.Cap = bx.Len
gz, err := gzip.NewReader(bytes.NewBuffer(b))
if err != nil {
panic("Decompression failed: " + err.Error())
}
var buf bytes.Buffer
io.Copy(&buf, gz)
gz.Close()
return buf.Bytes()
}
`, funcname, funcname, funcname, funcname)
}
// input -> gowriter -> output.
func translate_nomemcpy_uncomp(input io.Reader, output io.Writer, pkgname, funcname string) {
fmt.Fprintf(output, `package %s
import (
"reflect"
"unsafe"
)
var _%s = "`, pkgname, funcname)
io.Copy(&StringWriter{Writer: output}, input)
fmt.Fprintf(output, `"
// %s returns raw file data.
//
// WARNING: The returned byte slice is READ-ONLY.
// Attempting to alter the slice contents will yield a runtime panic.
func %s() []byte {
var empty [0]byte
sx := (*reflect.StringHeader)(unsafe.Pointer(&_%s))
b := empty[:]
bx := (*reflect.SliceHeader)(unsafe.Pointer(&b))
bx.Data = sx.Data
bx.Len = len(_%s)
bx.Cap = bx.Len
return b
}
`, funcname, funcname, funcname, funcname)
}
// safeFuncname creates a safe function name from the input path.
func SafeFuncname(in, prefix string) string {
name := strings.Replace(in, prefix, "", 1)
if len(name) == 0 {
name = in
}
name = strings.ToLower(name)
name = regFuncName.ReplaceAllString(name, "_")
if unicode.IsDigit(rune(name[0])) {
// Identifier can't start with a digit.
name = "_" + name
}
// Get rid of "__" instances for niceness.
for strings.Index(name, "__") > -1 {
name = strings.Replace(name, "__", "_", -1)
}
// Leading underscore is silly.
if name[0] == '_' {
name = name[1:]
}
return name
}

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@ -1,31 +0,0 @@
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// license. Its contents can be found at:
// http://creativecommons.org/publicdomain/zero/1.0/
package bindata
import (
"fmt"
"runtime"
)
const (
AppName = "bindata"
AppVersionMajor = 2
AppVersionMinor = 1
)
// revision part of the program version.
// This will be set automatically at build time like so:
//
// go build -ldflags "-X main.AppVersionRev `date -u +%s`"
var AppVersionRev string
func Version() string {
if len(AppVersionRev) == 0 {
AppVersionRev = "0"
}
return fmt.Sprintf("%s %d.%d.%s (Go runtime %s).\nCopyright (c) 2010-2013, Jim Teeuwen.",
AppName, AppVersionMajor, AppVersionMinor, AppVersionRev, runtime.Version())
}

157
main.go
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@ -1,157 +0,0 @@
// This work is subject to the CC0 1.0 Universal (CC0 1.0) Public Domain Dedication
// license. Its contents can be found at:
// http://creativecommons.org/publicdomain/zero/1.0/
package main
import (
"flag"
"fmt"
"github.com/jteeuwen/go-bindata/lib"
"os"
"path"
"path/filepath"
"unicode"
)
var (
pipe = false
in = ""
out = flag.String("out", "", "Optional path and name of the output file.")
pkgname = flag.String("pkg", "main", "Name of the package to generate.")
funcname = flag.String("func", "", "Optional name of the function to generate.")
prefix = flag.String("prefix", "", "Optional path prefix to strip off map keys and function names.")
uncompressed = flag.Bool("uncompressed", false, "The specified resource will /not/ be GZIP compressed when this flag is specified. This alters the generated output code.")
nomemcopy = flag.Bool("nomemcopy", false, "Use a .rodata hack to get rid of unnecessary memcopies. Refer to the documentation to see what implications this carries.")
tags = flag.String("tags", "", "Optional build tags")
toc = flag.Bool("toc", false, "Generate a table of contents for this and other files. The input filepath becomes the map key. This option is only useable in non-pipe mode.")
version = flag.Bool("version", false, "Display version information.")
)
func main() {
parseArgs()
if pipe {
bindata.Translate(os.Stdin, os.Stdout, *pkgname, *funcname, *uncompressed, *nomemcopy)
return
}
fs, err := os.Open(in)
if err != nil {
fmt.Fprintf(os.Stderr, "[e] %s\n", err)
return
}
defer fs.Close()
fd, err := os.Create(*out)
if err != nil {
fmt.Fprintf(os.Stderr, "[e] %s\n", err)
return
}
defer fd.Close()
if *tags != "" {
fmt.Fprintf(fd, "// +build %s\n\n", *tags)
}
// Translate binary to Go code.
bindata.Translate(fs, fd, *pkgname, *funcname, *uncompressed, *nomemcopy)
// Append the TOC init function to the end of the output file and
// write the `bindata-toc.go` file, if applicable.
if *toc {
dir, _ := filepath.Split(*out)
err := bindata.CreateTOC(dir, *pkgname)
if err != nil {
fmt.Fprintf(os.Stderr, "[e] %s\n", err)
return
}
bindata.WriteTOCInit(fd, in, *prefix, *funcname)
}
}
// parseArgs processes and verifies commandline arguments.
func parseArgs() {
flag.Usage = func() {
fmt.Printf("Usage: %s [options] <filename>\n\n", os.Args[0])
flag.PrintDefaults()
}
flag.Parse()
if *version {
fmt.Printf("%s\n", bindata.Version())
os.Exit(0)
}
pipe = flag.NArg() == 0
if !pipe {
*prefix, _ = filepath.Abs(filepath.Clean(*prefix))
in, _ = filepath.Abs(filepath.Clean(flag.Args()[0]))
*out = safeFilename(*out, in)
}
if len(*pkgname) == 0 {
fmt.Fprintln(os.Stderr, "[w] No package name specified. Using 'main'.")
*pkgname = "main"
} else {
if unicode.IsDigit(rune((*pkgname)[0])) {
// Identifier can't start with a digit.
*pkgname = "_" + *pkgname
}
}
if len(*funcname) == 0 {
if pipe {
// Can't infer from input file name in this mode.
fmt.Fprintln(os.Stderr, "[e] No function name specified.")
os.Exit(1)
}
*funcname = bindata.SafeFuncname(in, *prefix)
fmt.Fprintf(os.Stderr, "[w] No function name specified. Using %s.\n", *funcname)
}
}
// safeFilename creates a safe output filename from the given
// output and input paths.
func safeFilename(out, in string) string {
var filename string
if len(out) == 0 {
filename = in + ".go"
_, err := os.Lstat(filename)
if err == nil {
// File already exists. Pad name with a sequential number until we
// find a name that is available.
count := 0
for {
filename = path.Join(out, fmt.Sprintf("%s.%d.go", in, count))
_, err = os.Lstat(filename)
if err != nil {
break
}
count++
}
}
} else {
filename, _ = filepath.Abs(filepath.Clean(out))
}
// Ensure output directory exists while we're here.
dir, _ := filepath.Split(filename)
_, err := os.Lstat(dir)
if err != nil {
os.MkdirAll(dir, 0755)
}
return filename
}

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@ -1,7 +0,0 @@
package main
// Global Table of Contents map. Generated by go-bindata.
// After startup of the program, all generated data files will
// put themselves in this map. The key is the full filename, as
// supplied to go-bindata.
var go_bindata = make(map[string]func() []byte)

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1853
testdata/toc.go vendored

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