mirror of https://github.com/helix-editor/helix
Merge remote-tracking branch 'upstream/master' into rewrite-and-refactor-all-documentation
David-Else
2 years ago
commit
227ed34e7c
@ -0,0 +1,235 @@
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const SEPARATOR: char = '_';
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/// Increment an integer.
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///
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/// Supported bases:
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/// 2 with prefix 0b
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/// 8 with prefix 0o
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/// 10 with no prefix
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/// 16 with prefix 0x
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///
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/// An integer can contain `_` as a separator but may not start or end with a separator.
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/// Base 10 integers can go negative, but bases 2, 8, and 16 cannot.
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/// All addition and subtraction is saturating.
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pub fn increment(selected_text: &str, amount: i64) -> Option<String> {
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if selected_text.is_empty()
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|| selected_text.ends_with(SEPARATOR)
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|| selected_text.starts_with(SEPARATOR)
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{
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return None;
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}
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let radix = if selected_text.starts_with("0x") {
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16
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} else if selected_text.starts_with("0o") {
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8
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} else if selected_text.starts_with("0b") {
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2
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} else {
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10
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};
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// Get separator indexes from right to left.
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let separator_rtl_indexes: Vec<usize> = selected_text
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.chars()
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.rev()
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.enumerate()
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.filter_map(|(i, c)| if c == SEPARATOR { Some(i) } else { None })
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.collect();
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let word: String = selected_text.chars().filter(|&c| c != SEPARATOR).collect();
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let mut new_text = if radix == 10 {
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let number = &word;
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let value = i128::from_str_radix(number, radix).ok()?;
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let new_value = value.saturating_add(amount as i128);
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let format_length = match (value.is_negative(), new_value.is_negative()) {
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(true, false) => number.len() - 1,
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(false, true) => number.len() + 1,
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_ => number.len(),
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} - separator_rtl_indexes.len();
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if number.starts_with('0') || number.starts_with("-0") {
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format!("{:01$}", new_value, format_length)
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} else {
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format!("{}", new_value)
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}
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} else {
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let number = &word[2..];
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let value = u128::from_str_radix(number, radix).ok()?;
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let new_value = (value as i128).saturating_add(amount as i128);
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let new_value = if new_value < 0 { 0 } else { new_value };
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let format_length = selected_text.len() - 2 - separator_rtl_indexes.len();
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match radix {
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2 => format!("0b{:01$b}", new_value, format_length),
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8 => format!("0o{:01$o}", new_value, format_length),
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16 => {
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let (lower_count, upper_count): (usize, usize) =
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number.chars().fold((0, 0), |(lower, upper), c| {
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(
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lower + c.is_ascii_lowercase().then(|| 1).unwrap_or(0),
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upper + c.is_ascii_uppercase().then(|| 1).unwrap_or(0),
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)
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});
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if upper_count > lower_count {
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format!("0x{:01$X}", new_value, format_length)
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} else {
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format!("0x{:01$x}", new_value, format_length)
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}
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}
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_ => unimplemented!("radix not supported: {}", radix),
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}
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};
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// Add separators from original number.
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for &rtl_index in &separator_rtl_indexes {
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if rtl_index < new_text.len() {
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let new_index = new_text.len().saturating_sub(rtl_index);
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if new_index > 0 {
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new_text.insert(new_index, SEPARATOR);
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}
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}
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}
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// Add in additional separators if necessary.
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if new_text.len() > selected_text.len() && !separator_rtl_indexes.is_empty() {
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let spacing = match separator_rtl_indexes.as_slice() {
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[.., b, a] => a - b - 1,
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_ => separator_rtl_indexes[0],
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};
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let prefix_length = if radix == 10 { 0 } else { 2 };
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if let Some(mut index) = new_text.find(SEPARATOR) {
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while index - prefix_length > spacing {
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index -= spacing;
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new_text.insert(index, SEPARATOR);
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}
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}
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}
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Some(new_text)
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn test_increment_basic_decimal_numbers() {
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let tests = [
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("100", 1, "101"),
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("100", -1, "99"),
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("99", 1, "100"),
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("100", 1000, "1100"),
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("100", -1000, "-900"),
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("-1", 1, "0"),
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("-1", 2, "1"),
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("1", -1, "0"),
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("1", -2, "-1"),
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];
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for (original, amount, expected) in tests {
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assert_eq!(increment(original, amount).unwrap(), expected);
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}
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}
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#[test]
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fn test_increment_basic_hexadecimal_numbers() {
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let tests = [
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("0x0100", 1, "0x0101"),
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("0x0100", -1, "0x00ff"),
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("0x0001", -1, "0x0000"),
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("0x0000", -1, "0x0000"),
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("0xffffffffffffffff", 1, "0x10000000000000000"),
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("0xffffffffffffffff", 2, "0x10000000000000001"),
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("0xffffffffffffffff", -1, "0xfffffffffffffffe"),
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("0xABCDEF1234567890", 1, "0xABCDEF1234567891"),
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("0xabcdef1234567890", 1, "0xabcdef1234567891"),
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];
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for (original, amount, expected) in tests {
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assert_eq!(increment(original, amount).unwrap(), expected);
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}
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}
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#[test]
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fn test_increment_basic_octal_numbers() {
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let tests = [
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("0o0107", 1, "0o0110"),
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("0o0110", -1, "0o0107"),
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("0o0001", -1, "0o0000"),
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("0o7777", 1, "0o10000"),
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("0o1000", -1, "0o0777"),
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("0o0107", 10, "0o0121"),
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("0o0000", -1, "0o0000"),
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("0o1777777777777777777777", 1, "0o2000000000000000000000"),
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("0o1777777777777777777777", 2, "0o2000000000000000000001"),
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("0o1777777777777777777777", -1, "0o1777777777777777777776"),
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];
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for (original, amount, expected) in tests {
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assert_eq!(increment(original, amount).unwrap(), expected);
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}
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}
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#[test]
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fn test_increment_basic_binary_numbers() {
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let tests = [
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("0b00000100", 1, "0b00000101"),
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("0b00000100", -1, "0b00000011"),
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("0b00000100", 2, "0b00000110"),
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("0b00000100", -2, "0b00000010"),
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("0b00000001", -1, "0b00000000"),
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("0b00111111", 10, "0b01001001"),
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("0b11111111", 1, "0b100000000"),
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("0b10000000", -1, "0b01111111"),
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("0b0000", -1, "0b0000"),
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(
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"0b1111111111111111111111111111111111111111111111111111111111111111",
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1,
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"0b10000000000000000000000000000000000000000000000000000000000000000",
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),
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(
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"0b1111111111111111111111111111111111111111111111111111111111111111",
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2,
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"0b10000000000000000000000000000000000000000000000000000000000000001",
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),
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(
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"0b1111111111111111111111111111111111111111111111111111111111111111",
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-1,
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"0b1111111111111111111111111111111111111111111111111111111111111110",
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),
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];
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for (original, amount, expected) in tests {
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assert_eq!(increment(original, amount).unwrap(), expected);
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}
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}
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#[test]
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fn test_increment_with_separators() {
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let tests = [
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("999_999", 1, "1_000_000"),
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("1_000_000", -1, "999_999"),
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("-999_999", -1, "-1_000_000"),
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("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
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("0x0000_0000", -1, "0x0000_0000"),
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("0x0000_0000_0000", -1, "0x0000_0000_0000"),
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("0b01111111_11111111", 1, "0b10000000_00000000"),
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("0b11111111_11111111", 1, "0b1_00000000_00000000"),
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];
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|
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for (original, amount, expected) in tests {
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assert_eq!(increment(original, amount).unwrap(), expected);
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}
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}
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#[test]
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fn test_leading_and_trailing_separators_arent_a_match() {
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assert_eq!(increment("9_", 1), None);
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assert_eq!(increment("_9", 1), None);
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assert_eq!(increment("_9_", 1), None);
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}
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}
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@ -1,8 +1,10 @@
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pub mod date_time;
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mod date_time;
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pub mod number;
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mod integer;
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use crate::{Range, Tendril};
|
pub fn integer(selected_text: &str, amount: i64) -> Option<String> {
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integer::increment(selected_text, amount)
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|
}
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|
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pub trait Increment {
|
pub fn date_time(selected_text: &str, amount: i64) -> Option<String> {
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fn increment(&self, amount: i64) -> (Range, Tendril);
|
date_time::increment(selected_text, amount)
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}
|
}
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@ -1,507 +0,0 @@
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use std::borrow::Cow;
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|
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use ropey::RopeSlice;
|
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|
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use super::Increment;
|
|
||||||
|
|
||||||
use crate::{
|
|
||||||
textobject::{textobject_word, TextObject},
|
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||||||
Range, Tendril,
|
|
||||||
};
|
|
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|
|
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#[derive(Debug, PartialEq, Eq)]
|
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pub struct NumberIncrementor<'a> {
|
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||||||
value: i64,
|
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radix: u32,
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range: Range,
|
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||||||
|
|
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text: RopeSlice<'a>,
|
|
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}
|
|
||||||
|
|
||||||
impl<'a> NumberIncrementor<'a> {
|
|
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/// Return information about number under rang if there is one.
|
|
||||||
pub fn from_range(text: RopeSlice, range: Range) -> Option<NumberIncrementor> {
|
|
||||||
// If the cursor is on the minus sign of a number we want to get the word textobject to the
|
|
||||||
// right of it.
|
|
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let range = if range.to() < text.len_chars()
|
|
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&& range.to() - range.from() <= 1
|
|
||||||
&& text.char(range.from()) == '-'
|
|
||||||
{
|
|
||||||
Range::new(range.from() + 1, range.to() + 1)
|
|
||||||
} else {
|
|
||||||
range
|
|
||||||
};
|
|
||||||
|
|
||||||
let range = textobject_word(text, range, TextObject::Inside, 1, false);
|
|
||||||
|
|
||||||
// If there is a minus sign to the left of the word object, we want to include it in the range.
|
|
||||||
let range = if range.from() > 0 && text.char(range.from() - 1) == '-' {
|
|
||||||
range.extend(range.from() - 1, range.from())
|
|
||||||
} else {
|
|
||||||
range
|
|
||||||
};
|
|
||||||
|
|
||||||
let word: String = text
|
|
||||||
.slice(range.from()..range.to())
|
|
||||||
.chars()
|
|
||||||
.filter(|&c| c != '_')
|
|
||||||
.collect();
|
|
||||||
let (radix, prefixed) = if word.starts_with("0x") {
|
|
||||||
(16, true)
|
|
||||||
} else if word.starts_with("0o") {
|
|
||||||
(8, true)
|
|
||||||
} else if word.starts_with("0b") {
|
|
||||||
(2, true)
|
|
||||||
} else {
|
|
||||||
(10, false)
|
|
||||||
};
|
|
||||||
|
|
||||||
let number = if prefixed { &word[2..] } else { &word };
|
|
||||||
|
|
||||||
let value = i128::from_str_radix(number, radix).ok()?;
|
|
||||||
if (value.is_positive() && value.leading_zeros() < 64)
|
|
||||||
|| (value.is_negative() && value.leading_ones() < 64)
|
|
||||||
{
|
|
||||||
return None;
|
|
||||||
}
|
|
||||||
|
|
||||||
let value = value as i64;
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range,
|
|
||||||
value,
|
|
||||||
radix,
|
|
||||||
text,
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
impl<'a> Increment for NumberIncrementor<'a> {
|
|
||||||
fn increment(&self, amount: i64) -> (Range, Tendril) {
|
|
||||||
let old_text: Cow<str> = self.text.slice(self.range.from()..self.range.to()).into();
|
|
||||||
let old_length = old_text.len();
|
|
||||||
let new_value = self.value.wrapping_add(amount);
|
|
||||||
|
|
||||||
// Get separator indexes from right to left.
|
|
||||||
let separator_rtl_indexes: Vec<usize> = old_text
|
|
||||||
.chars()
|
|
||||||
.rev()
|
|
||||||
.enumerate()
|
|
||||||
.filter_map(|(i, c)| if c == '_' { Some(i) } else { None })
|
|
||||||
.collect();
|
|
||||||
|
|
||||||
let format_length = if self.radix == 10 {
|
|
||||||
match (self.value.is_negative(), new_value.is_negative()) {
|
|
||||||
(true, false) => old_length - 1,
|
|
||||||
(false, true) => old_length + 1,
|
|
||||||
_ => old_text.len(),
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
old_text.len() - 2
|
|
||||||
} - separator_rtl_indexes.len();
|
|
||||||
|
|
||||||
let mut new_text = match self.radix {
|
|
||||||
2 => format!("0b{:01$b}", new_value, format_length),
|
|
||||||
8 => format!("0o{:01$o}", new_value, format_length),
|
|
||||||
10 if old_text.starts_with('0') || old_text.starts_with("-0") => {
|
|
||||||
format!("{:01$}", new_value, format_length)
|
|
||||||
}
|
|
||||||
10 => format!("{}", new_value),
|
|
||||||
16 => {
|
|
||||||
let (lower_count, upper_count): (usize, usize) =
|
|
||||||
old_text.chars().skip(2).fold((0, 0), |(lower, upper), c| {
|
|
||||||
(
|
|
||||||
lower + usize::from(c.is_ascii_lowercase()),
|
|
||||||
upper + usize::from(c.is_ascii_uppercase()),
|
|
||||||
)
|
|
||||||
});
|
|
||||||
if upper_count > lower_count {
|
|
||||||
format!("0x{:01$X}", new_value, format_length)
|
|
||||||
} else {
|
|
||||||
format!("0x{:01$x}", new_value, format_length)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
_ => unimplemented!("radix not supported: {}", self.radix),
|
|
||||||
};
|
|
||||||
|
|
||||||
// Add separators from original number.
|
|
||||||
for &rtl_index in &separator_rtl_indexes {
|
|
||||||
if rtl_index < new_text.len() {
|
|
||||||
let new_index = new_text.len() - rtl_index;
|
|
||||||
new_text.insert(new_index, '_');
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Add in additional separators if necessary.
|
|
||||||
if new_text.len() > old_length && !separator_rtl_indexes.is_empty() {
|
|
||||||
let spacing = match separator_rtl_indexes.as_slice() {
|
|
||||||
[.., b, a] => a - b - 1,
|
|
||||||
_ => separator_rtl_indexes[0],
|
|
||||||
};
|
|
||||||
|
|
||||||
let prefix_length = if self.radix == 10 { 0 } else { 2 };
|
|
||||||
if let Some(mut index) = new_text.find('_') {
|
|
||||||
while index - prefix_length > spacing {
|
|
||||||
index -= spacing;
|
|
||||||
new_text.insert(index, '_');
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
(self.range, new_text.into())
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[cfg(test)]
|
|
||||||
mod test {
|
|
||||||
use super::*;
|
|
||||||
use crate::Rope;
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_decimal_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text 12345 more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 15),
|
|
||||||
value: 12345,
|
|
||||||
radix: 10,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_uppercase_hexadecimal_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text 0x123ABCDEF more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 21),
|
|
||||||
value: 0x123ABCDEF,
|
|
||||||
radix: 16,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_lowercase_hexadecimal_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text 0xfa3b4e more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 18),
|
|
||||||
value: 0xfa3b4e,
|
|
||||||
radix: 16,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_octal_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text 0o1074312 more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 19),
|
|
||||||
value: 0o1074312,
|
|
||||||
radix: 8,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_binary_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text 0b10111010010101 more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 26),
|
|
||||||
value: 0b10111010010101,
|
|
||||||
radix: 2,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_negative_decimal_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text -54321 more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 16),
|
|
||||||
value: -54321,
|
|
||||||
radix: 10,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_decimal_with_leading_zeroes_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text 000045326 more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 19),
|
|
||||||
value: 45326,
|
|
||||||
radix: 10,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_negative_decimal_cursor_on_minus_sign() {
|
|
||||||
let rope = Rope::from_str("Test text -54321 more text.");
|
|
||||||
let range = Range::point(10);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(10, 16),
|
|
||||||
value: -54321,
|
|
||||||
radix: 10,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_number_under_range_start_of_rope() {
|
|
||||||
let rope = Rope::from_str("100");
|
|
||||||
let range = Range::point(0);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(0, 3),
|
|
||||||
value: 100,
|
|
||||||
radix: 10,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_number_under_range_end_of_rope() {
|
|
||||||
let rope = Rope::from_str("100");
|
|
||||||
let range = Range::point(2);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(0, 3),
|
|
||||||
value: 100,
|
|
||||||
radix: 10,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_number_surrounded_by_punctuation() {
|
|
||||||
let rope = Rope::from_str(",100;");
|
|
||||||
let range = Range::point(1);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range),
|
|
||||||
Some(NumberIncrementor {
|
|
||||||
range: Range::new(1, 4),
|
|
||||||
value: 100,
|
|
||||||
radix: 10,
|
|
||||||
text: rope.slice(..),
|
|
||||||
})
|
|
||||||
);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_not_a_number_point() {
|
|
||||||
let rope = Rope::from_str("Test text 45326 more text.");
|
|
||||||
let range = Range::point(6);
|
|
||||||
assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_number_too_large_at_point() {
|
|
||||||
let rope = Rope::from_str("Test text 0xFFFFFFFFFFFFFFFFF more text.");
|
|
||||||
let range = Range::point(12);
|
|
||||||
assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_number_cursor_one_right_of_number() {
|
|
||||||
let rope = Rope::from_str("100 ");
|
|
||||||
let range = Range::point(3);
|
|
||||||
assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_number_cursor_one_left_of_number() {
|
|
||||||
let rope = Rope::from_str(" 100");
|
|
||||||
let range = Range::point(0);
|
|
||||||
assert_eq!(NumberIncrementor::from_range(rope.slice(..), range), None);
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_increment_basic_decimal_numbers() {
|
|
||||||
let tests = [
|
|
||||||
("100", 1, "101"),
|
|
||||||
("100", -1, "99"),
|
|
||||||
("99", 1, "100"),
|
|
||||||
("100", 1000, "1100"),
|
|
||||||
("100", -1000, "-900"),
|
|
||||||
("-1", 1, "0"),
|
|
||||||
("-1", 2, "1"),
|
|
||||||
("1", -1, "0"),
|
|
||||||
("1", -2, "-1"),
|
|
||||||
];
|
|
||||||
|
|
||||||
for (original, amount, expected) in tests {
|
|
||||||
let rope = Rope::from_str(original);
|
|
||||||
let range = Range::point(0);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range)
|
|
||||||
.unwrap()
|
|
||||||
.increment(amount)
|
|
||||||
.1,
|
|
||||||
Tendril::from(expected)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_increment_basic_hexadecimal_numbers() {
|
|
||||||
let tests = [
|
|
||||||
("0x0100", 1, "0x0101"),
|
|
||||||
("0x0100", -1, "0x00ff"),
|
|
||||||
("0x0001", -1, "0x0000"),
|
|
||||||
("0x0000", -1, "0xffffffffffffffff"),
|
|
||||||
("0xffffffffffffffff", 1, "0x0000000000000000"),
|
|
||||||
("0xffffffffffffffff", 2, "0x0000000000000001"),
|
|
||||||
("0xffffffffffffffff", -1, "0xfffffffffffffffe"),
|
|
||||||
("0xABCDEF1234567890", 1, "0xABCDEF1234567891"),
|
|
||||||
("0xabcdef1234567890", 1, "0xabcdef1234567891"),
|
|
||||||
];
|
|
||||||
|
|
||||||
for (original, amount, expected) in tests {
|
|
||||||
let rope = Rope::from_str(original);
|
|
||||||
let range = Range::point(0);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range)
|
|
||||||
.unwrap()
|
|
||||||
.increment(amount)
|
|
||||||
.1,
|
|
||||||
Tendril::from(expected)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_increment_basic_octal_numbers() {
|
|
||||||
let tests = [
|
|
||||||
("0o0107", 1, "0o0110"),
|
|
||||||
("0o0110", -1, "0o0107"),
|
|
||||||
("0o0001", -1, "0o0000"),
|
|
||||||
("0o7777", 1, "0o10000"),
|
|
||||||
("0o1000", -1, "0o0777"),
|
|
||||||
("0o0107", 10, "0o0121"),
|
|
||||||
("0o0000", -1, "0o1777777777777777777777"),
|
|
||||||
("0o1777777777777777777777", 1, "0o0000000000000000000000"),
|
|
||||||
("0o1777777777777777777777", 2, "0o0000000000000000000001"),
|
|
||||||
("0o1777777777777777777777", -1, "0o1777777777777777777776"),
|
|
||||||
];
|
|
||||||
|
|
||||||
for (original, amount, expected) in tests {
|
|
||||||
let rope = Rope::from_str(original);
|
|
||||||
let range = Range::point(0);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range)
|
|
||||||
.unwrap()
|
|
||||||
.increment(amount)
|
|
||||||
.1,
|
|
||||||
Tendril::from(expected)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_increment_basic_binary_numbers() {
|
|
||||||
let tests = [
|
|
||||||
("0b00000100", 1, "0b00000101"),
|
|
||||||
("0b00000100", -1, "0b00000011"),
|
|
||||||
("0b00000100", 2, "0b00000110"),
|
|
||||||
("0b00000100", -2, "0b00000010"),
|
|
||||||
("0b00000001", -1, "0b00000000"),
|
|
||||||
("0b00111111", 10, "0b01001001"),
|
|
||||||
("0b11111111", 1, "0b100000000"),
|
|
||||||
("0b10000000", -1, "0b01111111"),
|
|
||||||
(
|
|
||||||
"0b0000",
|
|
||||||
-1,
|
|
||||||
"0b1111111111111111111111111111111111111111111111111111111111111111",
|
|
||||||
),
|
|
||||||
(
|
|
||||||
"0b1111111111111111111111111111111111111111111111111111111111111111",
|
|
||||||
1,
|
|
||||||
"0b0000000000000000000000000000000000000000000000000000000000000000",
|
|
||||||
),
|
|
||||||
(
|
|
||||||
"0b1111111111111111111111111111111111111111111111111111111111111111",
|
|
||||||
2,
|
|
||||||
"0b0000000000000000000000000000000000000000000000000000000000000001",
|
|
||||||
),
|
|
||||||
(
|
|
||||||
"0b1111111111111111111111111111111111111111111111111111111111111111",
|
|
||||||
-1,
|
|
||||||
"0b1111111111111111111111111111111111111111111111111111111111111110",
|
|
||||||
),
|
|
||||||
];
|
|
||||||
|
|
||||||
for (original, amount, expected) in tests {
|
|
||||||
let rope = Rope::from_str(original);
|
|
||||||
let range = Range::point(0);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range)
|
|
||||||
.unwrap()
|
|
||||||
.increment(amount)
|
|
||||||
.1,
|
|
||||||
Tendril::from(expected)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn test_increment_with_separators() {
|
|
||||||
let tests = [
|
|
||||||
("999_999", 1, "1_000_000"),
|
|
||||||
("1_000_000", -1, "999_999"),
|
|
||||||
("-999_999", -1, "-1_000_000"),
|
|
||||||
("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
|
|
||||||
("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
|
|
||||||
("0x0000_0000_0001", 0x1_ffff_0000, "0x0001_ffff_0001"),
|
|
||||||
("0x0000_0000", -1, "0xffff_ffff_ffff_ffff"),
|
|
||||||
("0x0000_0000_0000", -1, "0xffff_ffff_ffff_ffff"),
|
|
||||||
("0b01111111_11111111", 1, "0b10000000_00000000"),
|
|
||||||
("0b11111111_11111111", 1, "0b1_00000000_00000000"),
|
|
||||||
];
|
|
||||||
|
|
||||||
for (original, amount, expected) in tests {
|
|
||||||
let rope = Rope::from_str(original);
|
|
||||||
let range = Range::point(0);
|
|
||||||
assert_eq!(
|
|
||||||
NumberIncrementor::from_range(rope.slice(..), range)
|
|
||||||
.unwrap()
|
|
||||||
.increment(amount)
|
|
||||||
.1,
|
|
||||||
Tendril::from(expected)
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue