44 lines
1.2 KiB
Go
44 lines
1.2 KiB
Go
package cuiargs
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import (
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"fmt"
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"log"
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"regexp"
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models "gitea.likemath.ru/alex/gogrep/internal/models"
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"github.com/alexflint/go-arg"
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)
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// ProcessConsoleArguments fills internal grep config
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// Returns error if arguments filling is correct, but arguments are incorrect
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// Panics and shows info if arguments are invalid
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func ProcessConsoleArguments() (*models.GrepConfigInternal, error) {
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var args struct {
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Pattern string `arg:"positional" help:"Regex for lines to match"`
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Path string `arg:"positional" default:".*" help:"extra RegEx for paths to match"`
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IgnoreCase bool `arg:"-i" help:"ignore case distinctions in patterns and data"`
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}
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arg.MustParse(&args)
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if args.Pattern == "" {
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log.Fatalf("No Pattern! Check `gogrep -h`")
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}
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res := &models.GrepConfigInternal{}
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var err error
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res.PathPattern, err = regexp.Compile(args.Path)
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if err != nil {
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return nil, fmt.Errorf("unable to compile path pattern Regexp: %v", args.Path)
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}
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if args.IgnoreCase {
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args.Pattern = "(?i)" + args.Pattern
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}
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res.TextPattern, err = regexp.Compile(args.Pattern)
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if err != nil {
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return nil, fmt.Errorf("unable to compile text pattern Regexp: %v", args.Pattern)
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}
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return res, nil
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}
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