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_Filejen.java
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_Filejen.java
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import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Scanner;
public class _Filejen {
public static void main(String[] args) {
_Filejen j = new _Filejen();
}
// Constant variables
final private String presetsPath = "/Users/siddhantsingh/Desktop/Personal Projects.22/Filejen.22/presets.txt";
// Filejen instance variables
private String filename;
private String fileType;
private boolean completed;
private boolean generateInputFile, generateOutputFile;
private String presets;
// presets.txt instance variables
private int visitedId;
private String username;
private List<String> fileTypes;
private List<Language> languages;
public _Filejen() {
System.out.println("Welcome to Filejen.");
try {
// parsing user information
Scanner sc = new Scanner(new File(presetsPath));
String s = sc.nextLine();
this.presets = "";
this.visitedId = Integer.parseInt(s.substring(s.indexOf("id: ") + ("id: ").length()));
s = sc.nextLine();
this.username = s.substring(s.indexOf("name: ") + ("name: ".length())).trim();
s = sc.nextLine().substring(s.indexOf("supported filetypes: ") + ("supported filetypes: ").length() + 1);
this.fileTypes = new ArrayList<String>();
Scanner tempParse = new Scanner(s).useDelimiter(", ");
while (tempParse.hasNext())
fileTypes.add(tempParse.next().toLowerCase());
tempParse.close();
sc.close();
// System.out.println(this.visitedId + ", " + this.username + "\n" +
// this.fileTypes.toString());
/*
* 1) OK... up to this point all presets.txt instance variables are complete...
* 2) need to complete Node class and initialize generate
*/
sc = new Scanner(System.in);
System.out.print("Press Q for Quick-input (anything else for regular input): ");
if (sc.nextLine().trim().toLowerCase().equals("q"))
quickInput();
else
input();
sc.close();
// TODO: COMPLETE THIS!!!
parsePath();
System.out.println("*".repeat(100) + "\n");
System.out.println("*".repeat(100) + "\n");
System.out.println("*".repeat(100));
for (Language l : languages) {
System.out.println(l.commandToOutputMap.toString());
}
System.out.println("*".repeat(100) + "\n");
System.out.println("*".repeat(100) + "\n");
System.out.println("*".repeat(100) + "\n");
System.exit(0);
// TODO: COMPLETE THIS!!!
generate();
// CREATE: update method that updates the presets.txt file
} catch (Exception e) {
e.printStackTrace();
}
}
private void quickInput() {
System.out.println("[Filename, Filetype, Presets(a, b, c ...), Inputgen, Outputgen]");
Scanner sc = new Scanner(System.in);
String input = sc.nextLine();
sc.close();
String[] in = input.split(("(?<=.)(?=\\p{Lu})"));
if (in.length < 4) {
System.out.println("Invalid input.");
System.exit(0);
}
for (int i = 0; i < in.length - 2; i++) {
if (i == 0)
this.filename = in[i];
else if (i == 1)
this.fileType = in[i];
else {
this.presets += in[i] + " ";
}
}
this.generateInputFile = (in[in.length - 2].toLowerCase().trim().equals("y"));
this.generateOutputFile = (in[in.length - 1].toLowerCase().trim().equals("y"));
}
private void input() {
Scanner sc = new Scanner(System.in);
this.completed = false;
System.out.println("Enter filename: ");
this.filename = sc.nextLine().trim();
System.out.println("Enter filetype " + this.fileTypes.toString() + ": ");
this.fileType = sc.nextLine().trim().toLowerCase();
if (!this.fileTypes.contains(this.fileType)) {
System.out.println("Faulty filetype input please try again.");
System.exit(0);
}
// TODO: ADD PRESETS LISTS SPECIFIC TO THE LANGUAGE...
System.out.println("Please enter presets: ADD PRESETS LISTS SPECIFIC TO THE LANGUAGE...");
this.presets = sc.nextLine().trim(); // parsed in generate method
System.out.println("Would you like to generate an input file? [Y/N]");
if (sc.nextLine().trim().toLowerCase().equals("y"))
this.generateInputFile = true;
System.out.println("Would you like to generate an output file? [Y/N]");
if (sc.nextLine().trim().toLowerCase().equals("y"))
this.generateOutputFile = true;
System.out.println("Would you like to open a vscode view with generated files? [Y/N]");
if (sc.nextLine().trim().toLowerCase().equals("y")) {
System.out.println("Opening new vscode view...");
openView();
}
this.completed = true;
if (this.completed) {
System.out.println("Thank you for using Filejen.");
}
sc.close();
}
private void parsePath() {
try {
Scanner sc = new Scanner(new File(presetsPath));
String s = "";
for (int i = 0; i < 3; i++)
sc.nextLine();
// parsing language features
int nLanguages = Integer.parseInt(sc.nextLine().trim());
this.languages = new ArrayList<_Filejen.Language>();
for (int i = 0; i < nLanguages; i++)
this.languages.add(new Language(sc.nextLine().trim()));
if (!sc.nextLine().trim().equals("$$$")) {
System.out.println("Brocken");
System.exit(0);
}
boolean reachedNewLang = true;
for (int i = 0; i < this.languages.size(); i++) {
String key = "", val = "";
int k = 0;
if (reachedNewLang) {
reachedNewLang = false;
System.out.println(s);
k = sc.nextInt(); // number of presets of this specific language
sc.nextLine();
}
s = sc.nextLine();
in_outer: for (; k >= 0; k--) {
key = s.substring(1).trim();
while (sc.hasNextLine()) {
s = sc.nextLine();
if (s.trim().equals("$$$")) {
reachedNewLang = true;
break in_outer;
} else if (s.contains("$"))
break;
else if (s.contains("****"))
s = s.substring(0, s.indexOf("****")) + this.filename
+ s.substring(s.indexOf("****") + "****".length());
val += s + "\n";
}
this.languages.get(i).commandToOutputMap.put(key, val);
// System.out.println(String.format("%s%s", key, val.substring(0, 10)));
}
}
// closing scanner
sc.close();
} catch (FileNotFoundException e) {
System.out.println(
"Unexpected Error: parsePath() failed to compute. Please check presets.txt or parsePath()");
System.exit(0);
}
}
private void generate() {
File f = new File(this.filename + "." + this.fileType);
if (f.exists()) {
System.out.println(String.format("File: \"%s\" already exists.", f.toString()));
System.exit(0);
}
try {
FileWriter fw = new FileWriter(f);
Scanner sc = new Scanner(this.presets);
Language l = null;
for (Language lang : this.languages)
if (lang.type.equals(this.fileType)) {
l = lang;
break;
}
while (sc.hasNext()) {
fw.write(l.commandToOutputMap.get(sc.next().trim()));
}
fw.close();
sc.close();
} catch (IOException e1) {
e1.printStackTrace();
}
try {
f.createNewFile();
} catch (Exception e) {
System.out.println("Error: filetype already exists in this directory");
System.exit(0);
}
if (this.generateInputFile) {
File in = new File(this.filename + ".in");
try {
in.createNewFile();
} catch (Exception e) {
System.out.println("Error: 'in' filetype already exists in this directory");
System.exit(0);
}
}
if (this.generateOutputFile) {
File in = new File(this.filename + ".out");
try {
in.createNewFile();
} catch (Exception e) {
System.out.println("Error: 'out' filetype already exists in this directory");
System.exit(0);
}
}
}
private void openView() {
// TODO: Complete openView.
}
class Language {
String type;
HashMap<String, String> commandToOutputMap;
public Language(String type) {
this.type = type;
this.commandToOutputMap = new HashMap<String, String>();
}
@Override
public String toString() {
return this.type;
}
}
}