mq-conv 0.1.4

A CLI tool for converting various file formats to Markdown
Documentation 
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use std::io::Write;

use leptess::LepTess;

use crate::converter::Converter;
use crate::error::{Error, Result};

pub struct OcrConverter;

impl Converter for OcrConverter {
    fn format_name(&self) -> &'static str {
        "ocr"
    }

    fn convert(&self, input: &[u8], writer: &mut dyn Write) -> Result<()> {
        let mut lt = LepTess::new(None, "eng").map_err(|e| Error::Conversion {
            format: "ocr",
            message: format!("Failed to initialize Tesseract (is tesseract installed?): {e}"),
        })?;

        lt.set_image_from_mem(input).map_err(|e| Error::Conversion {
            format: "ocr",
            message: format!("Failed to load image for OCR: {e}"),
        })?;

        let text = lt.get_utf8_text().map_err(|e| Error::Conversion {
            format: "ocr",
            message: format!("OCR extraction failed: {e}"),
        })?;

        for line in text.lines() {
            let trimmed = line.trim();
            if !trimmed.is_empty() {
                writeln!(writer, "{trimmed}")?;
            } else {
                writeln!(writer)?;
            }
        }

        Ok(())
    }
}