fix vec trail
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commit
731428f798
6 changed files with 126 additions and 0 deletions
12
Cargo.toml
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12
Cargo.toml
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[package]
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name = "binf"
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version = "0.2.1"
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edition = "2021"
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license = "MIT"
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description = "A crate that adds utilities for dealing with binary flags"
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authors = ["0David <me@davidon.top>"]
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readme = "README.md"
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repository = "https://github.com/D0A1V2I3D/binf"
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documentation = "https://docs.rs/binf/"
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[dependencies]
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21
LICENSE
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21
LICENSE
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MIT License
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Copyright (c) 2022 0David
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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3
README.md
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3
README.md
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documentation and better readme coming soon
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any contribution (bug report, issue, feature request, pull request) is welcome
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16
src/flag_utils.rs
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16
src/flag_utils.rs
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pub fn get_flags(flags: i32) -> Vec<i32> {
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let mut fvec: Vec<bool> = Vec::new();
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let mut rest = flags;
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while rest != 0 {
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fvec.push((rest % 2) != 0);
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rest = rest / 2;
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}
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let mut tvec: Vec<i32> = Vec::new();
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for (i, value) in fvec.iter().enumerate() {
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if *value {
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tvec.push(i as i32);
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}
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}
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tvec
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}
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59
src/lib.rs
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59
src/lib.rs
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/*!
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TODO documentation
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*/
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pub mod flag_utils;
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pub mod macros;
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///struct that holds data for a flag and useful functions
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pub struct Flag {
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value: u128,
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}
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impl Flag {
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/// set a flag value
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pub fn set_flag(&mut self, flag: u32, value: bool) {
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if value {
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self.value |= 1 << flag;
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} else {
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if self.get_flag(flag) {
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self.value -= 1 << flag;
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}
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}
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}
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/// get a value of flag
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pub fn get_flag(&self, flag: u32) -> bool {
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(self.value & (1 << flag)) != 0
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}
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/// returns a vector with all enabled flags
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pub fn get_all_flags(&self) -> Vec<bool> {
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let mut ret = vec![];
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for i in 0..128 {
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ret.push(&self.value & (1u128 << i) != 0);
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}
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for i in (0..ret.len()).rev() {
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if ret[i] {
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ret.truncate(i + 1);
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break;
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}
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}
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ret
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}
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/// creates Flag from int
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pub fn new_from_value(value: u128) -> Self {
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Self {value}
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}
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/// returns flags value
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pub fn get(&self) -> u128 {
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self.value
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}
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/// initializes a Flag with 0, use flag_new! macro to create with flags instead
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pub fn new() -> Self {
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Self { value: 0, }
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}
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}
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15
src/macros.rs
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15
src/macros.rs
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//#[macro_use]
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/// macro that creates new Flag
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/// for example: flag_new![3, 7] makes a flag that has those flags enabled (136)
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#[macro_export]
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macro_rules! flag_new {
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( $($f:expr),* ) => {
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{
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let mut tflag = crate::Flag::new();
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$(
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tflag.set_flag($f, true);
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)*
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tflag
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}
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}
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}
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