func main() {
var g regexp.Grep
g.AddFlags()
g.Stdout = os.Stdout
g.Stderr = os.Stderr
flag.Usage = usage
flag.Parse()
args := flag.Args()
if len(args) == 0 {
flag.Usage()
}
pat := "(?m)" + args[0]
if *iflag {
pat = "(?i)" + pat
}
re, err := regexp.Compile(pat)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
g.Regexp = re
if len(args) == 1 {
g.Reader(os.Stdin, "stdin")
} else {
for _, arg := range args[1:] {
g.File(arg)
}
}
if !g.Match {
os.Exit(1)
}
}
func (r *Regexp) Compile() (*regexp.Regexp, error) {
if r.Expr == "" {
return nil, errors.New("Empty search regexp provided.")
}
expr := r.Expr
if r.CaseSensitive {
expr = "(?i)" + expr
}
return regexp.Compile(expr)
}
func main() {
var g regexp.Grep
g.AddFlags()
g.Stdout = os.Stdout
g.Stderr = os.Stderr
flag.Usage = usage
flag.Parse()
args := flag.Args()
if len(args) == 0 {
flag.Usage()
}
if *cpuProfile != "" {
f, err := os.Create(*cpuProfile)
if err != nil {
log.Fatal(err)
}
defer f.Close()
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
pat := "(?m)" + args[0]
if *iflag {
pat = "(?i)" + pat
}
re, err := regexp.Compile(pat)
if err != nil {
log.Fatal(err)
}
g.Regexp = re
if len(args) == 1 {
g.Reader(os.Stdin, "<standard input>")
} else {
for _, arg := range args[1:] {
g.File(arg)
}
}
if !g.Match {
os.Exit(1)
}
}
func main() {
var g regexp.Grep
g.AddFlags()
g.Stdout = os.Stdout
g.Stderr = os.Stderr
flag.Usage = usage
flag.Parse()
args := flag.Args()
if len(args) == 0 {
flag.Usage()
}
pat := "(?m)" + strings.Join(args, ".*")
if *iflag {
pat = "(?i)" + pat
}
re, err := regexp.Compile(pat)
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
g.Regexp = re
walker := fs.Walk(".")
for walker.Step() {
if walker.Stat().IsDir() {
if strings.Contains(walker.Path(), ".git") {
walker.SkipDir()
}
continue
}
g.File(walker.Path())
}
if err := walker.Err(); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if !g.Match {
os.Exit(1)
}
}
// Handles requests to /index by compiling the q= parameter into a regular
// expression (codesearch/regexp), searching the index for it and returning the
// list of matching filenames in a JSON array.
// TODO: This doesn’t handle file name regular expressions at all yet.
// TODO: errors aren’t properly signaled to the requester
func (s *server) Files(ctx context.Context, in *proto.FilesRequest) (*proto.FilesReply, error) {
if *cpuProfile != "" {
f, err := os.Create(*cpuProfile)
if err != nil {
log.Fatal(err)
}
defer f.Close()
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
re, err := regexp.Compile(in.Query)
if err != nil {
return nil, fmt.Errorf("regexp.Compile: %s\n", err)
}
query := index.RegexpQuery(re.Syntax)
log.Printf("[%s] query: text = %s, regexp = %s\n", s.id, in.Query, query)
return &proto.FilesReply{
Path: s.doPostingQuery(query),
}, nil
}
func Main() {
g := regexp.Grep{
Stdout: os.Stdout,
Stderr: os.Stderr,
}
g.AddFlags()
flag.Usage = usage
flag.Parse()
args := flag.Args()
if len(args) != 1 {
usage()
}
if *cpuProfile != "" {
f, err := os.Create(*cpuProfile)
if err != nil {
log.Fatal(err)
}
defer f.Close()
pprof.StartCPUProfile(f)
defer pprof.StopCPUProfile()
}
pat := "(?m)" + args[0]
if *iFlag {
pat = "(?i)" + pat
}
re, err := regexp.Compile(pat)
if err != nil {
log.Fatal(err)
}
g.Regexp = re
var fre *regexp.Regexp
if *fFlag != "" {
fre, err = regexp.Compile(*fFlag)
if err != nil {
log.Fatal(err)
}
}
q := index.RegexpQuery(re.Syntax)
if *verboseFlag {
log.Printf("query: %s\n", q)
}
ix := index.Open(index.File())
ix.Verbose = *verboseFlag
var post []uint32
if *bruteFlag {
post = ix.PostingQuery(&index.Query{Op: index.QAll})
} else {
post = ix.PostingQuery(q)
}
if *verboseFlag {
log.Printf("post query identified %d possible files\n", len(post))
}
if fre != nil {
fnames := make([]uint32, 0, len(post))
for _, fileid := range post {
name := ix.Name(fileid)
if fre.MatchString(name, true, true) < 0 {
continue
}
fnames = append(fnames, fileid)
}
if *verboseFlag {
log.Printf("filename regexp matched %d files\n", len(fnames))
}
post = fnames
}
for _, fileid := range post {
name := ix.Name(fileid)
g.File(name)
}
matches = g.Match
}