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|
//go:generate go run main.go
package main
import (
"fmt"
"io/ioutil"
"log"
"os"
"path"
"path/filepath"
"regexp"
"runtime"
"strings"
)
func main() {
_, filename, _, ok := runtime.Caller(0)
if !ok {
panic("runtime err")
}
rootDir := path.Join(path.Dir(filename), "..")
dstDir := filepath.Join(rootDir, "internal/libwebp")
srcFolders := []string{"src", "sharpyuv"}
srcBaseDir := filepath.Join(rootDir, "libwebp_src")
// The Go and the Webp source must live side-by-side in the same
// directory.
//
// The custom bindings are named with a "a__" prefix. Keep those.
fis, err := ioutil.ReadDir(dstDir)
if err != nil {
log.Fatal(err)
}
keepRe := regexp.MustCompile(`^(a__|\.)`)
for _, fi := range fis {
if keepRe.MatchString(fi.Name()) {
continue
}
os.Remove(filepath.Join(dstDir, fi.Name()))
}
csourceRe := regexp.MustCompile(`\.[ch]$`)
for _, srcFolder := range srcFolders {
srcDir := filepath.Join(srcBaseDir, srcFolder)
err = filepath.Walk(srcDir, func(path string, fi os.FileInfo, err error) error {
if err != nil {
return err
}
if fi.IsDir() || !csourceRe.MatchString(fi.Name()) {
return nil
}
filename := filepath.ToSlash(strings.TrimPrefix(path, srcBaseDir))
filename = strings.TrimPrefix(filename, "/")
target := filepath.Join(dstDir, fi.Name())
if err := ioutil.WriteFile(target, []byte(fmt.Sprintf(`#ifndef LIBWEBP_NO_SRC
#include "../../libwebp_src/%s"
#endif
`, filename)), 0o644); err != nil {
return err
}
return nil
})
if err != nil {
log.Fatal(err)
}
}
}
|
