Merge pull request #2 from CodeDead/feature/exporting

Feature/exporting

Author: CodeDead

Cargo.lock

@@ -12,6 +12,8 @@ license-file = "LICENSE"
 [dependencies]
 iced = { git = "https://github.com/iced-rs/iced" }
 native-dialog = "0.6.3"
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
 
 [profile.release]
 lto = true

Cargo.toml

@@ -4,7 +4,7 @@
 ![GitHub](https://img.shields.io/badge/language-Rust-green)
 ![GitHub](https://img.shields.io/github/license/CodeDead/text-diff-rs)
 
-![text-diff](https://i.imgur.com/PxbT90B.png)
+![text-diff](https://i.imgur.com/VrcSyMD.png)
 
 `text-diff` can be used to compare two text files and output the difference between them. `text-diff` was written in `Rust` and offers a simple and intuitive user-interface for Windows, Linux and macOS.
 
@@ -40,6 +40,8 @@ cargo run
 * [Rust](https://www.rust-lang.org/)
 * [iced](https://iced.rs/)
 * [native-dialog](https://github.com/balthild/native-dialog-rs)
+* [serde](https://serde.rs/)
+* [serde_json](https://serde.rs/)
 
 ## About
 

README.md

@@ -1,9 +1,12 @@
 use iced::window;
 use iced::{Sandbox, Settings};
 
-mod view;
-mod style;
 mod filereader;
+mod style;
+mod vector_comparer;
+mod vector_exporter;
+mod view;
+
 pub fn main() -> iced::Result {
     view::ApplicationContext::run(Settings {
         id: Some(String::from("text-diff")),

src/main.rs

@@ -383,7 +383,7 @@ mod dark {
                     a: 0.8,
                     ..if is_checked { ACTIVE } else { SURFACE }
                 }
-                .into(),
+                    .into(),
                 ..self.active(is_checked)
             }
         }

src/style.rs

@@ -0,0 +1,78 @@
+pub trait IVectorComparer<T> {
+    fn new(vec1: Vec<T>, vec2: Vec<T>) -> Self;
+    fn get_differences(&self) -> Vec<T>;
+}
+
+#[derive(Debug, Clone)]
+pub struct VectorComparer<T> {
+    pub vec1: Vec<T>,
+    pub vec2: Vec<T>,
+}
+
+impl IVectorComparer<String> for VectorComparer<String> {
+    /// Initialize a new VectorComparer for type `String`
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// let vector_comparer: VectorComparer<String> = IVectorComparer::<String>::new(vec![], vec![]);
+    /// ```
+    ///
+    /// # Returns
+    ///
+    /// A `VectorComparer` that can be used to compare two `Vec` structs of type `String`
+    fn new(vec1: Vec<String>, vec2: Vec<String>) -> VectorComparer<String> {
+        VectorComparer::<String> { vec1, vec2 }
+    }
+
+    /// Get the differences between the two given `Vec` structs of type `String`
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// let differences: Vec<String> = vector_comparer.get_differences();
+    /// ```
+    ///
+    /// # Returns
+    ///
+    /// A `Vec` struct of type `String` that contains the differences between the two given `Vec` structs of type `String`
+    fn get_differences(&self) -> Vec<String> {
+        if self.vec1.is_empty() {
+            return self.vec2.clone();
+        } else if self.vec2.is_empty() {
+            return self.vec1.clone();
+        }
+
+        let mut diff = vec![];
+        for f in &self.vec1 {
+            let mut included = false;
+            for d in &self.vec2 {
+                if f.eq(d) {
+                    included = true;
+                }
+            }
+
+            if !included {
+                diff.push(String::from(f));
+            }
+        }
+
+        for f in &self.vec2 {
+            let mut included = false;
+            for d in &self.vec1 {
+                if f.eq(d) {
+                    included = true;
+                }
+            }
+
+            if !included {
+                let n = String::from(f);
+                if !diff.contains(&n) {
+                    diff.push(n);
+                }
+            }
+        }
+
+        diff
+    }
+}

src/vector_comparer.rs

@@ -0,0 +1,107 @@
+use std::{fs::File, io::Write};
+
+#[derive(Debug, Clone)]
+pub enum ExportType {
+    Text,
+    Csv,
+    Json,
+}
+
+pub enum ExportError {
+    IoError(std::io::Error),
+    JsonError(serde_json::Error),
+}
+
+impl Default for ExportType {
+    fn default() -> Self {
+        ExportType::Text
+    }
+}
+
+pub trait IVectorExporter<T> {
+    fn new(vec: Vec<T>, export_type: ExportType, export_type: &str) -> Self;
+
+    fn export(&self) -> Result<(), ExportError>;
+}
+
+#[derive(Debug, Clone)]
+pub struct VectorExporter<T> {
+    pub vec: Vec<T>,
+    pub export_type: ExportType,
+    pub export_path: String,
+}
+
+impl IVectorExporter<String> for VectorExporter<String> {
+    /// Initialize a new `VectorExporter` for type `String`
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// let vec_exporter: VectorExporter<String> = IVectorExporter::<String>::new(vec![], ExportType::default(), "/path/to/file");
+    /// ```
+    ///
+    /// # Returns
+    ///
+    /// The `VectorExporter` struct for type `String`
+    fn new(vec: Vec<String>, export_type: ExportType, export_path: &str) -> VectorExporter<String> {
+        VectorExporter {
+            vec,
+            export_type,
+            export_path: String::from(export_path),
+        }
+    }
+
+    /// Export the `Vec` of type `String` to a file
+    ///
+    /// # Example
+    ///
+    /// ```rust
+    /// let res = vec_exporter.export();
+    /// ```
+    ///
+    /// # Returns
+    ///
+    /// A `Result` that can either contain an `Ok` or an `Error` struct
+    fn export(&self) -> Result<(), ExportError> {
+        let file = File::create(&self.export_path);
+        let mut file = match file {
+            Ok(file) => file,
+            Err(e) => return Err(ExportError::IoError(e)),
+        };
+        match self.export_type {
+            ExportType::Text => {
+                let mut data = String::new();
+                for l in &self.vec {
+                    data.push_str(&format!("{}\n", l));
+                }
+
+                match write!(file, "{}", data) {
+                    Ok(_) => Ok(()),
+                    Err(e) => Err(ExportError::IoError(e)),
+                }
+            }
+            ExportType::Csv => {
+                let mut data = String::new();
+                for l in &self.vec {
+                    data.push_str(&format!("\"{}\"\n", l));
+                }
+
+                match write!(file, "{}", data) {
+                    Ok(_) => Ok(()),
+                    Err(e) => Err(ExportError::IoError(e)),
+                }
+            }
+            ExportType::Json => {
+                let serialized = match serde_json::to_string(&self.vec) {
+                    Ok(d) => d,
+                    Err(e) => return Err(ExportError::JsonError(e)),
+                };
+
+                match write!(file, "{}", serialized) {
+                    Ok(_) => Ok(()),
+                    Err(e) => Err(ExportError::IoError(e)),
+                }
+            }
+        }
+    }
+}