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implement multiple regex support and icase and negate flags

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This commit is contained in:
Thomas von Dein
2025-01-21 18:37:45 +01:00
committed by T.v.Dein
parent 03f3225f24
commit a306f2c601
11 changed files with 267 additions and 118 deletions
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20
lib/io.go
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@@ -29,13 +29,13 @@ import (
const RWRR = 0755
func ProcessFiles(conf *cfg.Config, args []string) error {
fd, pattern, err := determineIO(conf, args)
fd, patterns, err := determineIO(conf, args)
if err != nil {
return err
}
if err := conf.PreparePattern(pattern); err != nil {
if err := conf.PreparePattern(patterns); err != nil {
return err
}
@@ -63,9 +63,9 @@ func ProcessFiles(conf *cfg.Config, args []string) error {
return nil
}
func determineIO(conf *cfg.Config, args []string) (io.Reader, string, error) {
func determineIO(conf *cfg.Config, args []string) (io.Reader, []*cfg.Pattern, error) {
var filehandle io.Reader
var pattern string
var patterns []*cfg.Pattern
var haveio bool
switch {
@@ -76,7 +76,7 @@ func determineIO(conf *cfg.Config, args []string) (io.Reader, string, error) {
fd, err := os.OpenFile(conf.InputFile, os.O_RDONLY, RWRR)
if err != nil {
return nil, "", fmt.Errorf("failed to read input file %s: %w", conf.InputFile, err)
return nil, nil, fmt.Errorf("failed to read input file %s: %w", conf.InputFile, err)
}
filehandle = fd
@@ -93,13 +93,15 @@ func determineIO(conf *cfg.Config, args []string) (io.Reader, string, error) {
}
if len(args) > 0 {
pattern = args[0]
conf.Pattern = args[0]
patterns = make([]*cfg.Pattern, len(args))
for i, arg := range args {
patterns[i] = &cfg.Pattern{Pattern: arg}
}
}
if !haveio {
return nil, "", errors.New("no file specified and nothing to read on stdin")
return nil, nil, errors.New("no file specified and nothing to read on stdin")
}
return filehandle, pattern, nil
return filehandle, patterns, nil
}