2 files changed, 108 insertions, 0 deletions
diff --git a/graphs/java/fgen/src/main/java/fr/epita/assistants/fgen/FGen.java b/graphs/java/fgen/src/main/java/fr/epita/assistants/fgen/FGen.java
new file mode 100644
index 0000000..5f5a470
--- /dev/null
+++ b/graphs/java/fgen/src/main/java/fr/epita/assistants/fgen/FGen.java
@@ -0,0 +1,105 @@
+package fr.epita.assistants.fgen;
+
+import java.io.*;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Comparator;
+import java.util.stream.Stream;
+
+public class FGen {
+    private Path cwd;
+
+    public FGen(final String inputPath) {
+        this.cwd = Paths.get(new File("").getAbsolutePath());
+        try (InputStream in = ClassLoader.getSystemResourceAsStream(inputPath)) {
+            BufferedReader br = new BufferedReader(new InputStreamReader(in));
+            String line;
+            while ((line = br.readLine()) != null) {
+                execute(line);
+            }
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void execute(String l) {
+        String[] args = l.split("\\s+");
+        switch (args[0]) {
+            case "+":
+                create(args[1]);
+                break;
+            case "-":
+                delete(args[1]);
+                break;
+            case ">":
+                ceedee(args[1]);
+                break;
+        }
+    }
+
+    private void create(String pathName) {
+        Path path = cwd.resolve(pathName);
+        File f = new File(String.valueOf(path));
+        if (pathName.endsWith("/")) {
+            if (!f.exists()) {
+                if (!f.mkdirs())
+                {
+                    throw new RuntimeException("Could not create directories");
+                }
+            }
+        } else {
+            if (!f.exists()) {
+                try {
+                    if (pathName.contains("/"))
+                    {
+                        String tmp = cwd.toString() + "/" + pathName.substring(0, pathName.lastIndexOf('/'));
+                        if (!new File(tmp).exists())
+                        {
+                            if (!new File(tmp).mkdirs())
+                                throw new RuntimeException("create(file): Could not create dirs");
+                        }
+                    }
+
+                    if (!f.createNewFile())
+                        throw new RuntimeException("Could not create file");
+                } catch (IOException e) {
+                    throw new RuntimeException(e);
+                }
+            }
+        }
+    }
+
+    private void ceedee(String pathName) {
+        Path res_path = cwd.resolve(pathName);
+        if (Files.exists(res_path) && Files.isDirectory(res_path)) {
+            cwd = res_path;
+        }
+        else throw new RuntimeException("Invalid path provided to cd");
+    }
+    private boolean deleteDirectory (File file){
+        File[] contents = file.listFiles();
+        if (contents != null) {
+            for (File f : contents) {
+                deleteDirectory(f);
+            }
+        }
+        return file.delete();
+    }
+
+    private void delete(String pathString) {
+        Path path = cwd.resolve(pathString);
+        File file = new File(String.valueOf(path));
+        if (Files.isDirectory(path)) {
+            if (!deleteDirectory(file))
+                throw new RuntimeException("Unable to delete dir");
+        } else {
+            try {
+                if (!Files.deleteIfExists(path))
+                    return;
+            } catch (IOException e) {
+                throw new RuntimeException(e);
+            }
+        }
+    }
+}
+\ No newline at end of file
diff --git a/graphs/java/fgen/src/main/resources/example.txt b/graphs/java/fgen/src/main/resources/example.txt
new file mode 100644
index 0000000..f864008
--- /dev/null
+++ b/graphs/java/fgen/src/main/resources/example.txt
@@ -0,0 +1,3 @@
++ hello/dossier
+> hello
+- dossier
+\ No newline at end of file