mirror of
https://git.meli.delivery/meli/meli
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117 lines
4.1 KiB
Rust
117 lines
4.1 KiB
Rust
/*
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* meli - melib crate.
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*
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* Copyright 2017-2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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#[cfg(feature = "unicode_algorithms")]
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include!("src/text_processing/types.rs");
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fn main() -> Result<(), std::io::Error> {
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#[cfg(feature = "unicode_algorithms")]
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{
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/* Line break tables */
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use std::fs::File;
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use std::io::prelude::*;
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use std::io::BufReader;
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use std::path::Path;
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use std::process::{Command, Stdio};
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const LINE_BREAK_TABLE_URL: &str =
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"http://www.unicode.org/Public/UCD/latest/ucd/LineBreak.txt";
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let mod_path = Path::new("src/text_processing/tables.rs");
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if mod_path.exists() {
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eprintln!(
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"{} already exists, delete it if you want to replace it.",
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mod_path.display()
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);
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std::process::exit(0);
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}
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let mut child = Command::new("curl")
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.args(&["-o", "-", LINE_BREAK_TABLE_URL])
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.stdout(Stdio::piped())
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.stdin(Stdio::null())
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.stderr(Stdio::inherit())
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.spawn()?;
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let buf_reader = BufReader::new(child.stdout.take().unwrap());
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let mut line_break_table: Vec<(u32, u32, LineBreakClass)> = Vec::with_capacity(3800);
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for line in buf_reader.lines() {
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let line = line.unwrap();
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if line.starts_with('#') || line.starts_with(' ') || line.is_empty() {
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continue;
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}
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let tokens: &str = line.split_whitespace().next().unwrap();
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let semicolon_idx: usize = tokens.chars().position(|c| c == ';').unwrap();
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/* LineBreak.txt list is ascii encoded so we can assume each char takes one byte: */
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let chars_str: &str = &tokens[..semicolon_idx];
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let mut codepoint_iter = chars_str.split("..");
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let first_codepoint: u32 =
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u32::from_str_radix(std::dbg!(codepoint_iter.next().unwrap()), 16).unwrap();
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let sec_codepoint: u32 = codepoint_iter
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.next()
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.map(|v| u32::from_str_radix(std::dbg!(v), 16).unwrap())
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.unwrap_or(first_codepoint);
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let class = &tokens[semicolon_idx + 1..semicolon_idx + 1 + 2];
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line_break_table.push((first_codepoint, sec_codepoint, LineBreakClass::from(class)));
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}
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child.wait()?;
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let mut file = File::create(&mod_path)?;
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file.write_all(
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br#"/*
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* meli - text_processing crate.
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*
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* Copyright 2017-2020 Manos Pitsidianakis
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*
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* This file is part of meli.
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*
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* meli is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* meli is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with meli. If not, see <http://www.gnu.org/licenses/>.
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*/
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use super::types::LineBreakClass::{self, *};
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pub const LINE_BREAK_RULES: &[(u32, u32, LineBreakClass)] = &[
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"#,
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)
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.unwrap();
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for l in &line_break_table {
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file.write_all(format!(" (0x{:X}, 0x{:X}, {:?}),\n", l.0, l.1, l.2).as_bytes())
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.unwrap();
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}
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file.write_all(b"];").unwrap();
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}
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Ok(())
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}
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