feat: add debug logs + check for non-existent filters + half-assed multiline string reading

1 files changed, 53 insertions, 7 deletions

diff --git a/cmd/uptfs/main.go b/cmd/uptfs/main.go
index 7c18054..ff39ff6 100644
--- a/cmd/uptfs/main.go
+++ b/cmd/uptfs/main.go
@@ -4,6 +4,7 @@ import (
 	"bufio"
 	"errors"
 	"fmt"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"slices"
@@ -16,6 +17,7 @@ import (
 
 var args struct {
 	ConfigFile string `arg:"-c" help:"path to config file" default:""`
+	Verbose    bool   `arg:"-v" help:"toggle verbose (debug) mode"`
 }
 
 func errExit(err error) {
@@ -26,11 +28,18 @@ func errExit(err error) {
 func main() {
 	arg.MustParse(&args)
 
+	if args.Verbose {
+		slog.SetLogLoggerLevel(slog.LevelDebug)
+	}
+
+	slog.Debug("uptfs started")
+
 	var configFilePath string
 	var err error
 
 	if args.ConfigFile != "" {
 		configFilePath, err = filepath.Abs(args.ConfigFile)
+		slog.Debug("config file path: " + configFilePath)
 	}
 	if err != nil {
 		errExit(err)
@@ -39,9 +48,11 @@ func main() {
 	var config config.Config
 	config.LoadConfig(configFilePath)
 
+	var inputString string
 	scanner := bufio.NewScanner(os.Stdin)
-	scanner.Scan()
-	inputString := scanner.Text()
+	for scanner.Scan() {
+		inputString = inputString + scanner.Text()
+	}
 
 	if inputString == "" {
 		err := errors.New("the input string is empty")
@@ -50,34 +61,67 @@ func main() {
 	}
 
 	additionalDelimeters := []string{",", ".", " "}
+	var delimeterString string
+	for _, element := range additionalDelimeters {
+		if element == " " {
+			element = "<space>"
+		}
+		delimeterString = delimeterString + element + " "
+	}
+	slog.Debug("delimeters: " + delimeterString)
+
 	tempword := ""
 	var tokenlist token.LinkedTokenList
 
 	for index, character := range inputString {
+		slog.Debug("current character: " + string(character))
 		if slices.Contains(additionalDelimeters, string(character)) {
+			slog.Debug("current character is a delimeter")
 			if len(tempword) != 0 {
+				slog.Debug("word is longer than 0 characters, filtering it")
 				for _, filterName := range config.Filters {
-					currentfilter := filter.FilterList[filterName]()
-					tempword = currentfilter.Filter(tempword)
+					_, ok := filter.FilterList[filterName]
+					if ok {
+						slog.Debug("using filter " + filterName)
+						currentfilter := filter.FilterList[filterName]()
+						tempword = currentfilter.Filter(tempword)
+					} else {
+						slog.Debug("there's no filter named " + filterName)
+						continue
+					}
 				}
+				slog.Debug("filtered word: " + tempword)
 				tokenlist.AddToken(tempword)
+				slog.Debug("adding delimeter")
 				tokenlist.AddToken(string(character))
+				slog.Debug("resetting current word to an empty string")
 				tempword = ""
 
 				continue
 			}
+			slog.Debug("current word is a zero-length string")
+			slog.Debug("adding delimeter")
 			tokenlist.AddToken(string(character))
 			tempword = ""
 
 			continue
 		}
-
+		slog.Debug("current character is not a delimeter, adding to word")
 		tempword = tempword + string(character)
 		if index == len(inputString)-1 {
+			slog.Debug("string ended, filtering current word")
 			for _, filterName := range config.Filters {
-				currentfilter := filter.FilterList[filterName]()
-				tempword = currentfilter.Filter(tempword)
+				_, ok := filter.FilterList[filterName]
+				if ok {
+					slog.Debug("using filter " + filterName)
+					currentfilter := filter.FilterList[filterName]()
+					tempword = currentfilter.Filter(tempword)
+				} else {
+					slog.Debug("there's no filter named " + filterName)
+					continue
+				}
 			}
+			slog.Debug("filtered word: " + tempword)
 			tokenlist.AddToken(tempword)
 			tempword = ""
 		}
@@ -90,4 +134,6 @@ func main() {
 	}
 
 	fmt.Println(result)
+
+	slog.Debug("uptfs finished")
 }