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package main
import (
"bufio"
"errors"
"fmt"
"log/slog"
"os"
"path/filepath"
"slices"
"github.com/alexflint/go-arg"
"github.com/ayyansea/uptfs/internal/config"
"github.com/ayyansea/uptfs/internal/filter"
"github.com/ayyansea/uptfs/internal/token"
)
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) {
fmt.Println(err)
os.Exit(1)
}
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)
}
var config config.Config
config.LoadConfig(configFilePath)
var inputString string
scanner := bufio.NewScanner(os.Stdin)
for scanner.Scan() {
inputString = inputString + scanner.Text()
}
if inputString == "" {
err := errors.New("the input string is empty")
fmt.Printf("%v\n", err)
os.Exit(1)
}
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 {
_, 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 {
_, 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 = ""
}
}
result := ""
for current := tokenlist.GetHead(); current != nil; current = current.GetNextToken() {
result = result + current.GetContent()
}
fmt.Println(result)
slog.Debug("uptfs finished")
}
|
