caribon 0.7.3

A repetition detector program and library
Documentation 
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// Copyright (C) 2015 Élisabeth HENRY.
//
// This file is part of Caribon.
//
// Caribon is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation, either version 2.1 of the License, or
// (at your option) any later version.
//
// Caribon is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with Caribon.  If not, see <http://www.gnu.org/licenses/>.

extern crate caribon;
mod config;
use config::Config;
use caribon::Parser;

use std::error::Error;
use std::io::Read;
use std::collections::HashMap;

fn print_stats(h: &HashMap<String, f32>, n_words: u32) {
    let different_words = h.len();
    println!("Number of words: {}", n_words);
    println!("Number of different words: {}", different_words);
}

fn try_parse() -> Result<(), Box<Error>> {
    let mut config = Config::new_from_args();
    let mut parser = try!(Parser::new(&config.lang));

    parser = parser.with_html(&config.input_format == "html")
                   .with_fuzzy(config.fuzzy)
                   .with_ignore_proper(config.ignore_proper)
                   .with_max_distance(config.max_distance);

    if !config.ignored.is_empty() {
        parser = parser.with_ignored(&config.ignored);
    }
    if !config.add_ignored.is_empty() {
        parser = parser.with_more_ignored(&config.add_ignored);
    }

    let mut s = String::new();
    try!(config.input.read_to_string(&mut s));

    let mut ast = try!(parser.tokenize(&s));
    if config.print_stats {
        let (h, count) = parser.words_stats(&ast);
        print_stats(&h, count);
    }
    parser.detect_local(&mut ast, config.threshold);
    if let Some(threshold) = config.global_threshold {
        parser.detect_global(&mut ast, threshold);
    }
    let output = match &*config.output_format {
        "html" => parser.ast_to_html(&mut ast, true),
        "terminal" => parser.ast_to_terminal(&ast),
        "markdown" => parser.ast_to_markdown(&ast),
        _ => return Err(Box::new(caribon::Error::new("Wrong output format: must be 'html, \
                                                      'terminal', or 'markdown'"))),
    };
    try!(config.output.write(&output.bytes().collect::<Vec<u8>>()));
    Ok(())
}


fn main() {
    match try_parse() {
        Ok(_) => {}
        Err(e) => println!("{}", e.description()),
    }
}