use chrono::{NaiveTime, TimeDelta, Utc};

use percent_encoding::{percent_decode, percent_encode, AsciiSet, CONTROLS};

// Appending controls to ensure exact same encoding as cpp variant

pub const ENCODE_SET: &AsciiSet = &CONTROLS

/// (Ops::Insert, String::new("Goodbye")) means add `Goodbye`

/// (Ops::Equal, String::new("World")) means keep world

#[derive(Debug, Clone, PartialEq, Eq)]

impl Display for Diff<u8> {

fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {

}

}

/// Create a new diff object

pub fn new(op: Ops, data: &[T]) -> Self {

Self(op, data.to_vec())

checklines: bool,

/// A default timeout in num milliseconda, defaults to 1000 (1 second)

timeout: Option<u32>,

/// At what point is no match declared (0.0 = perfection, 1.0 = very loose).

match_threshold: f32,

/// How far to search for a match (0 = exact location, 1000+ = broad match).

/// 1.0 to the score (0.0 is a perfect match).

/// int Match_Distance;

match_distance: usize,

/// When deleting a large block of text (over ~64 characters), how close does

/// the contents have to match the expected contents. (0.0 = perfection,

/// 1.0 = very loose). Note that `match_threshold` controls how closely the

delete_threshold: f32,

/// Chunk size for context length.

patch_margin: u16,

}

impl Default for DiffMatchPatch {

Self {

checklines: true,

timeout: Some(1000),

match_threshold: 0.5,

match_distance: 1000,

match_max_bits: 32,

}

#[derive(Debug, PartialEq, Eq)]

prefix_long: &'a [T],

suffix_long: &'a [T],

prefix_short: &'a [T],

self.match_distance = distance

}

&self,

linemode: bool,

deadline: Option<NaiveTime>,

// First, check if lhs and rhs are equal

if old_bytes == new_bytes {

if old_bytes.is_empty() {

Ok(diffs)

}

&self,

linemode: bool,

deadline: Option<NaiveTime>,

// returning all of the new part

if old.is_empty() {

return Ok(vec![Diff::insert(new)]);

}

}

&self,

old: &'a [T],

new: &'a [T],

// Quick line-level diff on both strings, then rediff the parts for greater accuracy

// This speedup can produce non-minimal diffs

&self,

deadline: Option<NaiveTime>,

let mut diffs = {

let to_chars = Self::lines_to_chars(old, new);

let diffs =

// Find the 'middle snake' of a diff, split the problem in two

// and return the recursively constructed diff.

// See Myers 1986 paper: An O(ND) Difference Algorithm and Its Variations.

&self,

old: &'a [T],

new: &'a [T],

// is at least half the length of longtext?

//idx Start index of quarter length substring within longtext.

#[inline]

long: &'a [T],

short: &'a [T],

idx: usize,

// Reverse prefix is suffix

// TODO: investigate this further

#[inline]

if lhs.is_empty()

|| rhs.is_empty()

|| (!reverse && (lhs.first() != rhs.first()))

}

#[inline]

if lhs.is_empty() || rhs.is_empty() {

return 0;

}

// Reduce the number of edits by eliminating semantically trivial equalities

#[inline]

let mut changes = false;

let mut pointer = 0_usize;

// Look for single edits surrounded on both sides by equalities

// e.g: The c<ins>at c</ins>ame. -> The <ins>cat </ins>came.

#[inline]

let mut pointer = 1_usize;

let mut difflen = diffs.len();

// boundary falls on logical boundaries

// Scores range from 6 (best) to 0 (worst)

#[inline]

} else {

return 6;

};

let linebreak_1 = whitespace_1 && (char1 == '\n' || char1 == '\r');

let linebreak_2 = whitespace_2 && (char2 == '\n' || char2 == '\r');

if blankline_1 || blankline_2 {

// 5 for blank lines

// Reorder and merge like edit sections. Merge equalities.

// Any edit section can move as long as it doesn't cross an equality.

#[inline]

// Push a dummy diff ... this triggers the equality as a last step

diffs.push(Diff::equal(&[]));

}

#[inline]

let mut char1 = 0;

let mut char2 = 0;

}

#[derive(Debug, Eq, PartialEq)]

chars_old: Vec<usize>,

chars_new: Vec<usize>,

}

impl DiffMatchPatch {

#[inline]

// Allocate 2/3rds of the UTF16::MAX (65535) value space for text1, the rest for text2.

// let mut maxlines = 5;

}

#[inline]

maxlines: usize,

) -> Vec<usize> {

let take = maxlines - array.len();

let mut broke = false;

let mut cursor = 0;

.enumerate()

.take(take)

.for_each(|(idx, line)| {

}

#[inline]

diffs

.iter()

.map(|d| {

)

}

/// A diff of two unrelated texts can be filled with coincidental matches.

/// For example, the diff of "mouse" and "sofas" is [(-1, "m"), (1, "s"), (0, "o"), (-1, "u"), (1, "fa"), (0, "s"), (-1, "e")].

/// While this is the optimum diff, it is difficult for humans to understand. Semantic cleanup rewrites the diff, expanding it into a more intelligible format.