Added ability to specify file builders

Thanks @pablo67340 (#26)

src/builder/cpp_file_builder.rs

@@ -4,7 +4,7 @@ use std::io::{Result, Write};
 
 /// A structure representing a builder for C++ header files.
 /// The builder implements the `FileBuilder` trait.
-#[derive(Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq)]
 pub struct CppFileBuilder;
 
 impl FileBuilder for CppFileBuilder {

src/builder/csharp_file_builder.rs

@@ -4,7 +4,7 @@ use std::io::{Result, Write};
 
 /// A structure representing a builder for C# files.
 /// The builder implements the `FileBuilder` trait.
-#[derive(Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq)]
 pub struct CSharpFileBuilder;
 
 impl FileBuilder for CSharpFileBuilder {

src/builder/json_file_builder.rs

@@ -6,7 +6,7 @@ use std::collections::BTreeMap;
 use std::io::{Result, Write};
 
 /// Represents a JSON offset value with an optional comment.
-#[derive(Debug, PartialEq, Default, Serialize)]
+#[derive(Clone, Debug, Default, PartialEq, Serialize)]
 struct JsonOffsetValue {
     value: usize,
     comment: Option<String>,
@@ -14,7 +14,7 @@ struct JsonOffsetValue {
 
 /// Represents a JSON module, which contains data in the form of a `BTreeMap` of string keys and
 /// `JsonOffsetValue` values, as well as an optional comment.
-#[derive(Debug, PartialEq, Default, Serialize)]
+#[derive(Clone, Debug, Default, PartialEq, Serialize)]
 struct JsonModule {
     data: BTreeMap<String, JsonOffsetValue>,
     comment: Option<String>,
@@ -22,7 +22,7 @@ struct JsonModule {
 
 /// A structure representing a builder for JSON files.
 /// The builder implements the `FileBuilder` trait.
-#[derive(Debug, PartialEq, Default)]
+#[derive(Clone, Debug, Default, PartialEq)]
 pub struct JsonFileBuilder {
     data: BTreeMap<String, JsonModule>,
     current_namespace: String,

src/builder/mod.rs

@@ -16,7 +16,7 @@ pub mod rust_file_builder;
 
 /// `FileBuilder` is an enum that defines different kinds of file builders.
 /// Each variant corresponds to a builder for a particular type of file.
-#[derive(Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq)]
 pub enum FileBuilderEnum {
     /// Represents a builder for C++ header files.
     CppFileBuilder(CppFileBuilder),

src/builder/python_file_builder.rs

@@ -4,7 +4,7 @@ use std::io::{Result, Write};
 
 /// A structure representing a builder for Python files.
 /// The builder implements the `FileBuilder` trait.
-#[derive(Debug, PartialEq)]
+#[derive(Clone, Debug, PartialEq)]
 pub struct PythonFileBuilder;
 
 impl FileBuilder for PythonFileBuilder {

src/builder/rust_file_builder.rs

@@ -4,7 +4,7 @@ use std::io::{Result, Write};
 
 /// A structure representing a builder for Rust files.
 /// The builder implements the `FileBuilder` trait.
-#[derive(Debug, Default, PartialEq)]
+#[derive(Clone, Debug, Default, PartialEq)]
 pub struct RustFileBuilder;
 
 impl FileBuilder for RustFileBuilder {