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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| use crate::app; | ||
| use crate::config::get_config; | ||
| use crate::render::{render_code_file, render_image_file, render_markdown}; | ||
| use crate::utils::detect_language; | ||
| use devicons::{icon_for_file, File, Theme}; | ||
| use std::collections::HashMap; | ||
| use std::io::{self, Write}; | ||
| use std::path::Path; | ||
| use termcolor::{Color, ColorChoice, ColorSpec, StandardStream, WriteColor}; | ||
|
|
||
| pub struct ViewerManager { | ||
| viewers: HashMap<String, Box<dyn Viewer>>, | ||
| } | ||
|
|
||
| impl ViewerManager { | ||
| pub fn new() -> Self { | ||
| let mut viewer_manager = ViewerManager { | ||
| viewers: HashMap::new(), | ||
| }; | ||
| // Register default viewers | ||
| viewer_manager.register_viewer("markdown", Box::new(MarkdownViewer)); | ||
| viewer_manager.register_viewer("code", Box::new(CodeViewer)); | ||
| viewer_manager.register_viewer("image", Box::new(ImageViewer)); | ||
| viewer_manager | ||
| } | ||
|
|
||
| pub fn register_viewer(&mut self, name: &str, viewer: Box<dyn Viewer>) { | ||
| self.viewers.insert(name.to_string(), viewer); | ||
| } | ||
|
|
||
| pub fn visualize( | ||
| &self, | ||
| viewer_names: &[String], | ||
| content: &str, | ||
| file_path: Option<&str>, | ||
| ) -> io::Result<()> { | ||
| let mut stdout = StandardStream::stdout(ColorChoice::Always); | ||
| let config = get_config(); | ||
|
|
||
| // Display file name if available and show_filename is true | ||
| if config.show_filename { | ||
| if let Some(path) = file_path { | ||
| let file_name = Path::new(path) | ||
| .file_name() | ||
| .unwrap_or_default() | ||
| .to_string_lossy(); | ||
|
|
||
| let file = File::new(Path::new(path)); | ||
| let icon = icon_for_file(&file, Some(Theme::Dark)); | ||
| stdout.set_color(ColorSpec::new().set_fg(Some(Color::Blue)).set_bold(true))?; | ||
| writeln!(stdout)?; | ||
| stdout.set_color(ColorSpec::new().set_fg(Some(Color::Cyan)))?; | ||
| writeln!(stdout, "{} {}", icon.icon, file_name)?; | ||
| stdout.reset()?; | ||
| writeln!(stdout)?; | ||
| } | ||
| } | ||
|
|
||
| for (index, viewer_name) in viewer_names.iter().enumerate() { | ||
| if index > 0 { | ||
| writeln!(stdout)?; | ||
| } | ||
| if let Some(viewer) = self.viewers.get(viewer_name) { | ||
| viewer.visualize(content, file_path)?; | ||
| } else { | ||
| eprintln!("Unknown viewer: {}", viewer_name); | ||
| } | ||
| } | ||
| Ok(()) | ||
| } | ||
| } | ||
|
|
||
| pub trait Viewer { | ||
| fn visualize(&self, content: &str, file_path: Option<&str>) -> io::Result<()>; | ||
| } | ||
|
|
||
| struct MarkdownViewer; | ||
|
|
||
| impl Viewer for MarkdownViewer { | ||
| fn visualize(&self, content: &str, _file_path: Option<&str>) -> io::Result<()> { | ||
| let json = app::parse_and_process_markdown(content)?; | ||
| render_markdown(&json) | ||
| } | ||
| } | ||
|
|
||
| struct CodeViewer; | ||
|
|
||
| impl Viewer for CodeViewer { | ||
| fn visualize(&self, content: &str, file_path: Option<&str>) -> io::Result<()> { | ||
| let language = file_path | ||
| .map(|path| detect_language(path)) | ||
| .unwrap_or_else(|| "txt".to_string()); | ||
| render_code_file(content, &language) | ||
| } | ||
| } | ||
|
|
||
| struct ImageViewer; | ||
|
|
||
| impl Viewer for ImageViewer { | ||
| fn visualize(&self, _content: &str, file_path: Option<&str>) -> io::Result<()> { | ||
| if let Some(path) = file_path { | ||
| render_image_file(path) | ||
| } else { | ||
| Err(io::Error::new( | ||
| io::ErrorKind::InvalidInput, | ||
| "No file path provided for image rendering", | ||
| )) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub fn determine_viewer(file_path: &Path) -> Vec<String> { | ||
| let extension = file_path | ||
| .extension() | ||
| .and_then(std::ffi::OsStr::to_str) | ||
| .unwrap_or("") | ||
| .to_lowercase(); | ||
| match extension.as_str() { | ||
| "md" => vec!["markdown".to_string()], | ||
| "jpg" | "jpeg" | "png" | "gif" | "bmp" | "webp" => vec!["image".to_string()], | ||
| _ => vec!["code".to_string()], | ||
| } | ||
| } |