From 7eca5520d7ffc4f59b623807ec0c7fe0c3f6b2ef Mon Sep 17 00:00:00 2001
From: Hatter Jiang <jht5945@gmail.com>
Date: Thu, 28 May 2020 08:20:13 +0800
Subject: [PATCH] simpledateformat init version

---
 Cargo.toml | 16 ++++++++++++++++
 README.md  |  6 +++++-
 src/lib.rs | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 72 insertions(+), 1 deletion(-)
 create mode 100644 Cargo.toml
 create mode 100644 src/lib.rs

diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..88ed464
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,16 @@
+[package]
+name = "simpledateformat"
+version = "0.0.0"
+authors = ["Hatter Jiang <jht5945@gmail.com>"]
+edition = "2018"
+description = "SimpleDateFormat.java style like date format"
+keywords = ["DateFormat", "SimpleDateFormat"]
+readme = "README.md"
+repository = "https://git.hatter.ink/hatter/simpledateformat"
+license = "MIT"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+quick-error = "1.2.3"
+chrono = "0.4.11"
diff --git a/README.md b/README.md
index 6e24493..135588d 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,7 @@
 # simpledateformat
 
-SimpleDateFormat.java style like date format
\ No newline at end of file
+SimpleDateFormat.java style like date format
+
+
+Working in progress ...
+
diff --git a/src/lib.rs b/src/lib.rs
new file mode 100644
index 0000000..e85f222
--- /dev/null
+++ b/src/lib.rs
@@ -0,0 +1,51 @@
+#[macro_use] extern crate quick_error;
+use chrono::{ Local,prelude::*, };
+
+quick_error! {
+    #[derive(Debug)]
+    pub enum ParseError {
+        Format(m: String) {
+            display("Format error: {}", m)
+        }
+    }
+}
+
+enum SimpleDateFormatPart {
+    Year,
+    Month,
+    Day,
+    Hour,
+    Minute,
+    Second,
+    Literal(String),
+}
+
+pub struct SimpleDateFormat {
+    parts: Vec<SimpleDateFormatPart>,
+}
+
+impl SimpleDateFormat {
+
+    fn format_local(&self, date_time: &DateTime<Local>) -> String {
+        let mut ret = String::with_capacity(512);
+        ret.push_str(&format!("{}", date_time.year()));
+        ret.push('-');
+        ret.push_str(&format!("{}", date_time.month()));
+        ret.push('-');
+        ret.push_str(&format!("{}", date_time.day()));
+        ret
+    }
+}
+
+pub fn fmt(f: &str) -> Result<SimpleDateFormat, ParseError> {
+    Ok(SimpleDateFormat{ parts: vec![] })
+    // Err(ParseError::Format(f.into()))
+}
+
+
+#[test]
+fn it_works() {
+    println!("test output: {}", fmt("").unwrap().format_local(&Local::now()));
+
+    assert_eq!(2 + 2, 4);
+}