Struct text_reader::TextReader

pub struct TextReader { /* fields omitted */ }

Methods

impl TextReader

Text character reader.

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
while reader.has_next() {
  let ch = reader.next();
  println!("{:?}", ch);
  if let Some('\n') = ch {
    println!("{:?}", reader.this_line());
  }
}
println!("{:?}", reader.this_line());

pub fn new<S: AsRef<OsStr>>(text: S) -> TextReader

pub fn reset(&mut self) -> &mut TextReader

Reset to first character

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
let reader = reader.reset();

pub fn peek(&self) -> Option<char>

Peek current character

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
let ch = reader.peek();

pub fn next(&mut self) -> Option<char>

Next character

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
let ch = reader.next();

pub fn position(&self) -> usize

Position of text

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
let position = reader.position();

pub fn line(&self) -> usize

Current text line number

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
let line = reader.line();

pub fn cursor(&self) -> usize

Current line position

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
reader.next();
reader.next();
reader.next();
reader.next();
let cursor = reader.cursor();
println!("CURSOR: {}", cursor); // 2

pub fn len(&self) -> usize

Text length

Examples

use text_reader::TextReader;
let reader = TextReader::new("abc\ndef");
let len = reader.len();

pub fn back(&mut self) -> &mut TextReader

Back to previous character

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
reader.back();

pub fn this_line(&mut self) -> Option<String>

Current line string

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
let line_text = reader.this_line();

pub fn has_next(&self) -> bool

Has next character

Examples

use text_reader::TextReader;
let mut reader = TextReader::new("abc\ndef");
while  reader.has_next(){
   let ch = reader.next();
}

Trait Implementations

impl Debug for TextReader

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.