From 66b913fa54ca0ce700506125867c3ab117f7667f Mon Sep 17 00:00:00 2001
From: Jonas Bushart <jonas@bushart.org>
Date: Sun, 20 Jan 2019 18:10:23 +0100
Subject: Integrate the new HTML printing with Evcxr

* Add optional feature for Evcxr integration
* Implement trait for everything which can be converted into a
    Tableslice. The trait prints the Tableslice in plain-text and HTML
    format in a Evcxr compatible manner.
---
 Cargo.toml   |  1 +
 src/evcxr.rs | 30 ++++++++++++++++++++++++++++++
 src/lib.rs   |  3 +++
 3 files changed, 34 insertions(+)
 create mode 100644 src/evcxr.rs

diff --git a/Cargo.toml b/Cargo.toml
index a3d0939..b6be3b1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,6 +20,7 @@ codecov = { repository = "phsym/prettytable-rs", branch = "master", service = "g
 
 [features]
 default = ["win_crlf", "csv"]
+evcxr = []
 win_crlf = []
 
 [[bin]]
diff --git a/src/evcxr.rs b/src/evcxr.rs
new file mode 100644
index 0000000..11d632a
--- /dev/null
+++ b/src/evcxr.rs
@@ -0,0 +1,30 @@
+//! This modules contains traits and implementations to work within Evcxr
+
+use super::TableSlice;
+use super::utils::StringWriter;
+use std::io::Write;
+
+/// Evcxr specific output trait
+pub trait EvcxrDisplay {
+    /// Print self in one or multiple Evcxr compatile types.
+    fn evcxr_display(&self);
+}
+
+impl<'a, T> EvcxrDisplay for T
+where
+    T: AsRef<TableSlice<'a>>,
+{
+    fn evcxr_display(&self) {
+        let mut writer = StringWriter::new();
+        // Plain Text
+        let _ = writer.write_all(b"EVCXR_BEGIN_CONTENT text/plain\n");
+        let _ = self.as_ref().print(&mut writer);
+        let _ = writer.write_all(b"\nEVCXR_END_CONTENT\n");
+
+        // Html
+        let _ = writer.write_all(b"EVCXR_BEGIN_CONTENT text/html\n");
+        let _ = self.as_ref().print_html(&mut writer);
+        let _ = writer.write_all(b"\nEVCXR_END_CONTENT\n");
+        println!("{}", writer.as_string());
+    }
+}
diff --git a/src/lib.rs b/src/lib.rs
index 1e02055..9ccb008 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -24,6 +24,9 @@ mod utils;
 #[cfg(feature = "csv")]
 pub mod csv;
 
+#[cfg(feature = "evcxr")]
+pub mod evcxr;
+
 pub use row::Row;
 pub use cell::Cell;
 use format::{TableFormat, LinePosition, consts};
-- 
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