mq-view 0.1.17

A library and CLI tool for rendering Markdown documents with syntax highlighting and rich text formatting
Documentation 
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use clap::Parser;
use miette::{IntoDiagnostic, Result};
use mq_markdown::Markdown;
use mq_view::{RenderConfig, render_markdown_with_config};
use std::fs;
use std::io::{self, BufWriter, Write};
use std::io::{IsTerminal, Read};
use std::path::PathBuf;

#[derive(Parser, Debug)]
#[command(name = "mq_view")]
#[command(author = env!("CARGO_PKG_AUTHORS"))]
#[command(version = env!("CARGO_PKG_VERSION"))]
#[command(about = "A CLI markdown viewer with rich text rendering")]
pub struct Args {
    /// Disable full-width background highlighting for headers
    #[arg(short = 'H', long = "no-header-highlight")]
    no_header_highlight: bool,

    /// Markdown file to view
    file: Option<PathBuf>,
}

fn main() -> Result<()> {
    let args = Args::parse();
    let content = if io::stdin().is_terminal() {
        if let Some(file) = args.file {
            fs::read_to_string(&file).into_diagnostic()?
        } else {
            return Err(miette::miette!("No input file specified"));
        }
    } else {
        let mut buffer = String::new();
        io::stdin().read_to_string(&mut buffer).into_diagnostic()?;
        buffer
    };
    let markdown: Markdown = content.parse().map_err(|e| miette::miette!("{}", e))?;

    let config = RenderConfig {
        header_full_width_highlight: !args.no_header_highlight,
    };

    let stdout = io::stdout();
    let mut writer = BufWriter::new(stdout.lock());
    render_markdown_with_config(&markdown, &mut writer, &config).into_diagnostic()?;
    writer.flush().into_diagnostic()?;

    Ok(())
}