From f5c4671bfbad96bf346bd7e9a21fc4317b4959df Mon Sep 17 00:00:00 2001
From: Indrajith K L
Date: Sat, 3 Dec 2022 17:00:20 +0530
Subject: Adds most of the tools

---
 v_windows/v/vlib/readline/readline_windows.c.v | 74 ++++++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 v_windows/v/vlib/readline/readline_windows.c.v

(limited to 'v_windows/v/vlib/readline/readline_windows.c.v')

diff --git a/v_windows/v/vlib/readline/readline_windows.c.v b/v_windows/v/vlib/readline/readline_windows.c.v
new file mode 100644
index 0000000..887efdb
--- /dev/null
+++ b/v_windows/v/vlib/readline/readline_windows.c.v
@@ -0,0 +1,74 @@
+// Copyright (c) 2019-2021 Alexander Medvednikov. All rights reserved.
+// Use of this source code is governed by an MIT license
+// that can be found in the LICENSE file.
+//
+// TODO Windows version needs to be implemented.
+// Will serve as more advanced input method
+// based on the work of https://github.com/AmokHuginnsson/replxx
+//
+module readline
+
+import os
+
+// Only use standard os.get_line
+// Need implementation for readline capabilities
+//
+// read_line_utf8 blocks execution in a loop and awaits user input
+// characters from a terminal until `EOF` or `Enter` key is encountered
+// in the input stream.
+// read_line_utf8 returns the complete input line as an UTF-8 encoded `[]rune` or
+// an error if the line is empty.
+// The `prompt` `string` is output as a prefix text for the input capturing.
+// read_line_utf8 is the main method of the `readline` module and `Readline` struct.
+pub fn (mut r Readline) read_line_utf8(prompt string) ?[]rune {
+	r.current = []rune{}
+	r.cursor = 0
+	r.prompt = prompt
+	r.search_index = 0
+	if r.previous_lines.len <= 1 {
+		r.previous_lines << []rune{}
+		r.previous_lines << []rune{}
+	} else {
+		r.previous_lines[0] = []rune{}
+	}
+	print(r.prompt)
+	r.current = os.get_raw_line().runes()
+	r.previous_lines[0] = []rune{}
+	r.search_index = 0
+	if r.current.len == 0 {
+		return error('empty line')
+	}
+	return r.current
+}
+
+// read_line does the same as `read_line_utf8` but returns user input as a `string`.
+// (As opposed to `[]rune` returned by `read_line_utf8`).
+pub fn (mut r Readline) read_line(prompt string) ?string {
+	s := r.read_line_utf8(prompt) ?
+	return s.string()
+}
+
+// read_line_utf8 blocks execution in a loop and awaits user input
+// characters from a terminal until `EOF` or `Enter` key is encountered
+// in the input stream.
+// read_line_utf8 returns the complete input line as an UTF-8 encoded `[]rune` or
+// an error if the line is empty.
+// The `prompt` `string` is output as a prefix text for the input capturing.
+// read_line_utf8 is the main method of the `readline` module and `Readline` struct.
+// NOTE that this version of `read_line_utf8` is a standalone function without
+// persistent functionalities (e.g. history).
+pub fn read_line_utf8(prompt string) ?[]rune {
+	mut r := Readline{}
+	s := r.read_line_utf8(prompt) ?
+	return s
+}
+
+// read_line does the same as `read_line_utf8` but returns user input as a `string`.
+// (As opposed to `[]rune` as returned by `read_line_utf8`).
+// NOTE that this version of `read_line` is a standalone function without
+// persistent functionalities (e.g. history).
+pub fn read_line(prompt string) ?string {
+	mut r := Readline{}
+	s := r.read_line(prompt) ?
+	return s
+}
-- 
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