89 lines
2.9 KiB
Rust
89 lines
2.9 KiB
Rust
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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use rustfmt_diff::{Mismatch, DiffLine};
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use std::io::{self, Write, Read, stdout};
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use WriteMode;
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pub fn output_heading(mode: WriteMode) -> Result<(), io::Error> {
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let stdout = stdout();
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let mut stdout = stdout.lock();
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match mode {
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WriteMode::Checkstyle => {
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let mut xml_heading = String::new();
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xml_heading.push_str("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
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xml_heading.push_str("\n");
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xml_heading.push_str("<checkstyle version=\"4.3\">");
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try!(write!(stdout, "{}", xml_heading));
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Ok(())
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}
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_ => Ok(()),
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}
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}
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pub fn output_footing(mode: WriteMode) -> Result<(), io::Error> {
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let stdout = stdout();
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let mut stdout = stdout.lock();
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match mode {
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WriteMode::Checkstyle => {
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let mut xml_tail = String::new();
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xml_tail.push_str("</checkstyle>");
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try!(write!(stdout, "{}", xml_tail));
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Ok(())
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}
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_ => Ok(()),
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}
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}
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pub fn output_checkstyle_file<T>(mut writer: T,
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filename: &str,
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diff: Vec<Mismatch>)
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-> Result<(), io::Error>
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where T: Write
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{
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try!(write!(writer, "<file name=\"{}\">", filename));
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for mismatch in diff {
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for line in mismatch.lines {
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match line {
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DiffLine::Expected(ref str) => {
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let message = xml_escape_str(&str);
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try!(write!(writer,
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"<error line=\"{}\" severity=\"warning\" message=\"Should be \
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`{}`\" />",
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mismatch.line_number,
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message));
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}
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_ => {
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// Do nothing with context and expected.
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}
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}
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}
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}
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try!(write!(writer, "</file>"));
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Ok(())
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}
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// Convert special characters into XML entities.
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// This is needed for checkstyle output.
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fn xml_escape_str(string: &str) -> String {
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let mut out = String::new();
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for c in string.chars() {
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match c {
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'<' => out.push_str("<"),
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'>' => out.push_str(">"),
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'"' => out.push_str("""),
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'\'' => out.push_str("'"),
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'&' => out.push_str("&"),
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_ => out.push(c),
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}
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}
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out
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}
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