57 lines
1.2 KiB
Go
57 lines
1.2 KiB
Go
package main
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import (
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"errors"
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"flag"
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"fmt"
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"os"
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"github.com/ficcdaf/zona/internal/util"
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)
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// validateFile checks whether a given path
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// is a valid file && matches an expected extension
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func validateFile(path, ext string) bool {
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return (util.CheckExtension(path, ext) == nil) && (util.PathIsValid(path, true))
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}
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func main() {
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mdPath := flag.String("file", "", "Path to the markdown file.")
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flag.Parse()
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if *mdPath == "" {
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// no flag provided, check for positional argument instead
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n := flag.NArg()
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var e error
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switch n {
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case 1:
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// we read the positional arg
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arg := flag.Arg(0)
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// mdPath wants a pointer so we get arg's address
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mdPath = &arg
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case 0:
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// in case of no flag and no arg, we fail
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e = errors.New("Required argument missing!")
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default:
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// more args than expected is also fail
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e = errors.New("Unexpected arguments!")
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}
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if e != nil {
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fmt.Printf("Error: %s\n", e.Error())
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os.Exit(1)
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}
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}
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if !validateFile(*mdPath, ".md") {
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fmt.Println("File validation failed!")
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os.Exit(1)
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}
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file, err := os.Open(*mdPath)
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if err != nil {
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fmt.Println("Error reading file:", err)
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os.Exit(1)
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}
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defer file.Close()
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fmt.Println("File opened :)")
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}
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