From eff369eac0286e9ae4ffb543a76f4c22d4088163 Mon Sep 17 00:00:00 2001
From: Roman Chumak <p4ymak@yandex.ru>
Date: Fri, 19 Jan 2024 16:49:10 +0300
Subject: [PATCH] Python, CLI example

---
 README.md  |  4 +++-
 src/lib.rs | 54 +++++++++++++++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 56 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 4b3515f..31ee78c 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ CodeEditor::default()
 
 ## Usage as lexer
 
-*Cargo.toml*
+**Cargo.toml**
 
 ```toml
 [dependencies]
@@ -27,6 +27,8 @@ egui_code_editor = { version = "0.2" , default-features = false }
 colorful = "0.2.2"
 ```
 
+**main.rs**
+
 ```rust
 use colorful::{Color, Colorful};
 use egui_code_editor::{Syntax, Token, TokenType};
diff --git a/src/lib.rs b/src/lib.rs
index 2e8d97f..eff8a26 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,7 +1,7 @@
 #![allow(rustdoc::invalid_rust_codeblocks)]
 //! Text Editor Widget for [egui](https://github.com/emilk/egui) with numbered lines and simple syntax highlighting based on keywords sets.
 //!
-//! ## Usage
+//! ## Usage with egui
 //!
 //! ```rust
 //! use egui_code_editor::{CodeEditor, ColorTheme, Syntax};
@@ -15,6 +15,58 @@
 //!   .with_numlines(true)
 //!   .show(ui, &mut self.code);
 //! ```
+//!
+//! ## Usage as lexer
+//!
+//! **Cargo.toml**
+//!
+//! ```toml
+//! [dependencies]
+//! egui_code_editor = { version = "0.2" , default-features = false }
+//! colorful = "0.2.2"
+//! ```
+//!
+//! **main.rs**
+//!
+//! ```rust
+//! use colorful::{Color, Colorful};
+//! use egui_code_editor::{Syntax, Token, TokenType};
+//!
+//! fn color(token: TokenType) -> Color {
+//!     match token {
+//!         TokenType::Comment(_) => Color::Grey37,
+//!         TokenType::Function => Color::Yellow3b,
+//!         TokenType::Keyword => Color::IndianRed1c,
+//!         TokenType::Literal => Color::NavajoWhite1,
+//!         TokenType::Numeric(_) => Color::MediumPurple,
+//!         TokenType::Punctuation(_) => Color::Orange3,
+//!         TokenType::Special => Color::Cyan,
+//!         TokenType::Str(_) => Color::Green,
+//!         TokenType::Type => Color::GreenYellow,
+//!         TokenType::Whitespace(_) => Color::White,
+//!         TokenType::Unknown => Color::Pink1,
+//!     }
+//! }
+//!
+//! fn main() {
+//!     let text = r#"// Code Editor
+//! CodeEditor::default()
+//!     .id_source("code editor")
+//!     .with_rows(12)
+//!     .with_fontsize(14.0)
+//!     .with_theme(self.theme)
+//!     .with_syntax(self.syntax.to_owned())
+//!     .with_numlines(true)
+//!     .vscroll(true)
+//!     .show(ui, &mut self.code);
+//!     "#;
+//!
+//!     let syntax = Syntax::rust();
+//!     for token in Token::default().tokens(&syntax, text) {
+//!         print!("{}", token.buffer().color(color(token.ty())));
+//!     }
+//! }
+//! ```
 
 pub mod highlighting;
 mod syntax;