From 1e6b085fc52007036b8f4271d0f420dfbd62a287 Mon Sep 17 00:00:00 2001
From: arnaucube <root@arnaucube.com>
Date: Tue, 30 Mar 2021 16:57:22 +0200
Subject: [PATCH] init. dec, hex, b64, bytes representation

---
 .github/workflows/clippy.yml |  11 +
 .github/workflows/test.yml   |  14 ++
 .gitignore                   |   1 +
 Cargo.lock                   | 425 +++++++++++++++++++++++++++++++++++
 Cargo.toml                   |  14 ++
 src/main.rs                  |  83 +++++++
 6 files changed, 548 insertions(+)
 create mode 100644 .github/workflows/clippy.yml
 create mode 100644 .github/workflows/test.yml
 create mode 100644 .gitignore
 create mode 100644 Cargo.lock
 create mode 100644 Cargo.toml
 create mode 100644 src/main.rs

diff --git a/.github/workflows/clippy.yml b/.github/workflows/clippy.yml
new file mode 100644
index 0000000..d3ed68f
--- /dev/null
+++ b/.github/workflows/clippy.yml
@@ -0,0 +1,11 @@
+name: Clippy check
+on: [push, pull_request]
+jobs:
+  clippy_check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - run: rustup component add clippy
+      - uses: actions-rs/clippy-check@v1
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
new file mode 100644
index 0000000..b211011
--- /dev/null
+++ b/.github/workflows/test.yml
@@ -0,0 +1,14 @@
+name: Test
+on: [push, pull_request]
+env:
+  CARGO_TERM_COLOR: always
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: cargo build --verbose
+    - name: Run tests
+      run: |
+        cargo run 21888242871839275222246405745257275088696311157297823662689037894645226208583
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..7c3e564
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,425 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+[[package]]
+name = "atty"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
+dependencies = [
+ "hermit-abi",
+ "libc",
+ "winapi",
+]
+
+[[package]]
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+
+[[package]]
+name = "base64"
+version = "0.13.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "904dfeac50f3cdaba28fc6f57fdcddb75f49ed61346676a78c4ffe55877802fd"
+
+[[package]]
+name = "bitflags"
+version = "1.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+
+[[package]]
+name = "clap"
+version = "3.0.0-beta.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4bd1061998a501ee7d4b6d449020df3266ca3124b941ec56cf2005c3779ca142"
+dependencies = [
+ "atty",
+ "bitflags",
+ "clap_derive",
+ "indexmap",
+ "lazy_static",
+ "os_str_bytes",
+ "strsim",
+ "termcolor",
+ "textwrap",
+ "unicode-width",
+ "vec_map",
+]
+
+[[package]]
+name = "clap_derive"
+version = "3.0.0-beta.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "370f715b81112975b1b69db93e0b56ea4cd4e5002ac43b2da8474106a54096a1"
+dependencies = [
+ "heck",
+ "proc-macro-error",
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
+dependencies = [
+ "bitflags",
+]
+
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
+
+[[package]]
+name = "heck"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
+dependencies = [
+ "unicode-segmentation",
+]
+
+[[package]]
+name = "hermit-abi"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "hex"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
+
+[[package]]
+name = "indexmap"
+version = "1.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55e2e4c765aa53a0424761bf9f41aa7a6ac1efa87238f59560640e27fca028f2"
+dependencies = [
+ "autocfg",
+ "hashbrown",
+]
+
+[[package]]
+name = "konv"
+version = "0.0.1"
+dependencies = [
+ "base64",
+ "clap",
+ "hex",
+ "num",
+ "num-bigint",
+ "num-traits",
+ "termion",
+]
+
+[[package]]
+name = "lazy_static"
+version = "1.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+
+[[package]]
+name = "libc"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4d58d1b70b004888f764dfbf6a26a3b0342a1632d33968e4a179d8011c760614"
+
+[[package]]
+name = "num"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8536030f9fea7127f841b45bb6243b27255787fb4eb83958aa1ef9d2fdc0c36"
+dependencies = [
+ "num-bigint",
+ "num-complex",
+ "num-integer",
+ "num-iter",
+ "num-rational",
+ "num-traits",
+]
+
+[[package]]
+name = "num-bigint"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+ "rand",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6b19411a9719e753aff12e5187b74d60d3dc449ec3f4dc21e3989c3f554bc95"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-iter"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
+dependencies = [
+ "autocfg",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
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+dependencies = [
+ "autocfg",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
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+]
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+
+[[package]]
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+version = "2.4.0"
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+checksum = "afb2e1c3ee07430c2cf76151675e583e0f19985fa6efae47d6848a3e2c824f85"
+
+[[package]]
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+dependencies = [
+ "proc-macro-error-attr",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "version_check",
+]
+
+[[package]]
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+ "version_check",
+]
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+dependencies = [
+ "unicode-xid",
+]
+
+[[package]]
+name = "quote"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
+dependencies = [
+ "proc-macro2",
+]
+
+[[package]]
+name = "rand"
+version = "0.5.6"
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+checksum = "c618c47cd3ebd209790115ab837de41425723956ad3ce2e6a7f09890947cacb9"
+dependencies = [
+ "cloudabi",
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.3.1",
+ "winapi",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
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+
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+checksum = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
+dependencies = [
+ "redox_syscall",
+]
+
+[[package]]
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+
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+ "proc-macro2",
+ "quote",
+ "unicode-xid",
+]
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+dependencies = [
+ "winapi-util",
+]
+
+[[package]]
+name = "termion"
+version = "1.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c22cec9d8978d906be5ac94bceb5a010d885c626c4c8855721a4dbd20e3ac905"
+dependencies = [
+ "libc",
+ "numtoa",
+ "redox_syscall",
+ "redox_termios",
+]
+
+[[package]]
+name = "textwrap"
+version = "0.12.1"
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+checksum = "203008d98caf094106cfaba70acfed15e18ed3ddb7d94e49baec153a2b462789"
+dependencies = [
+ "unicode-width",
+]
+
+[[package]]
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+
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+
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+
+[[package]]
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+
+[[package]]
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+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-util"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
+dependencies = [
+ "winapi",
+]
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..474dcf9
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,14 @@
+[package]
+name = "konv"
+version = "0.0.1"
+authors = ["arnaucube <root@arnaucube.com>"]
+edition = "2018"
+
+[dependencies]
+clap = "3.0.0-beta.2"
+num = "0.2.0"
+num-bigint = {version = "0.2.2", features = ["rand"]}
+num-traits = "0.2.8"
+hex = "0.4.2"
+termion = "1.5.5"
+base64 = "0.13.0"
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..f7650b7
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,83 @@
+use clap::App;
+
+use termion::{color, style};
+
+extern crate base64;
+extern crate hex;
+extern crate num_bigint;
+extern crate num_traits;
+use num_bigint::{BigInt, Sign};
+
+fn main() {
+    let matches = App::new("myapp")
+        .version("0.0.1")
+        .about("Convert between string formats.\nhttps://github.com/arnaucube/konv")
+        .arg("<INPUT>              'Value to parse'")
+        .arg("-b                'Read input in BigEndian (by default uses LittleEndian)'")
+        .get_matches();
+
+    let inp = matches.value_of("INPUT").unwrap();
+
+    println!("input {}", inp);
+
+    let r: BigInt;
+    if inp.starts_with("0x") {
+        r = d_hex(inp, matches.is_present("b"));
+    } else {
+        r = d_dec(inp, matches.is_present("b"));
+    }
+
+    // print decimal
+    println!(
+        "  dec  {}{}{}",
+        color::Fg(color::Yellow),
+        r.to_string(),
+        style::Reset
+    );
+
+    // print hexadecimal
+    println!(
+        "  hex  {}{}{}",
+        color::Fg(color::Blue),
+        r.to_str_radix(16),
+        style::Reset
+    );
+
+    // print base64
+    let (_, byt) = r.to_bytes_be();
+    let b64 = base64::encode(&byt);
+    println!("  b64  {}{}{}", color::Fg(color::Cyan), b64, style::Reset);
+
+    // print bytes
+    let mut byte_str: String = byt[0].to_string();
+    for x in byt.iter().skip(1) {
+        byte_str = format!("{}, {}", byte_str, x);
+    }
+    println!("  byt [{}]", byte_str);
+}
+
+fn d_hex(raw_inp: &str, bigendian: bool) -> BigInt {
+    let inp;
+    if raw_inp.starts_with("0x") {
+        inp = raw_inp.trim_start_matches("0x");
+    } else {
+        inp = raw_inp;
+    }
+    let b = hex::decode(inp).expect("Decoding failed");
+    let bi: BigInt;
+    if bigendian {
+        bi = BigInt::from_bytes_be(Sign::Plus, &b);
+    } else {
+        bi = BigInt::from_bytes_le(Sign::Plus, &b);
+    }
+    bi
+}
+
+fn d_dec(inp: &str, bigendian: bool) -> BigInt {
+    let or = BigInt::parse_bytes(inp.as_bytes(), 10).unwrap();
+    let (_, b) = or.to_bytes_be();
+    if bigendian {
+        return BigInt::from_bytes_be(Sign::Plus, &b);
+    }
+    BigInt::from_bytes_le(Sign::Plus, &b)
+}