r3bl_tui 0.1.2

TUI library inspired by Redux, Redux, Flexbox, CSS, editor components, etc
Documentation 
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/*
 *   Copyright (c) 2022 R3BL LLC
 *   All rights reserved.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 */

use std::fmt::{Formatter, Result};

use r3bl_rs_utils_core::*;

use crate::*;

pub struct CrosstermDebugFormatRenderOp;

fn format_print_text(text: &String, maybe_style: &Option<Style>) -> String {
  match ANSIText::try_strip_ansi(text) {
    Some(plain_text) => {
      // Successfully stripped ANSI escape codes.
      match maybe_style {
        Some(style) => format!("PrintTextWithAttributes(\"{plain_text}\", {style:?})"),
        None => format!("PrintTextWithAttributes(\"{plain_text}\", None)"),
      }
    }
    None => {
      // Couldn't strip ANSI, so just print the text.
      match maybe_style {
        Some(style) => {
          format!("PrintTextWithAttributes({} bytes, {style:?})", text.len())
        }
        None => format!("PrintTextWithAttributes({} bytes, None)", text.len()),
      }
    }
  }
}

impl DebugFormatRenderOp for CrosstermDebugFormatRenderOp {
  fn debug_format(&self, this: &RenderOp, f: &mut Formatter<'_>) -> Result {
    write!(
      f,
      "{}",
      match this {
        RenderOp::Noop => "Noop".into(),
        RenderOp::EnterRawMode => "EnterRawMode".into(),
        RenderOp::ExitRawMode => "ExitRawMode".into(),
        RenderOp::MoveCursorPositionAbs(pos) => format!("MoveCursorPositionAbs({pos:?})"),
        RenderOp::MoveCursorPositionRelTo(box_origin_pos, content_rel_pos) =>
          format!("MoveCursorPositionRelTo({box_origin_pos:?}, {content_rel_pos:?})"),
        RenderOp::ClearScreen => "ClearScreen".into(),
        RenderOp::SetFgColor(fg_color) => format!("SetFgColor({fg_color:?})"),
        RenderOp::SetBgColor(bg_color) => format!("SetBgColor({bg_color:?})"),
        RenderOp::ResetColor => "ResetColor".into(),
        RenderOp::ApplyColors(maybe_style) => match maybe_style {
          Some(style) => format!("ApplyColors({style:?})"),
          None => "ApplyColors(None)".into(),
        },
        RenderOp::PrintTextWithAttributes(text, maybe_style) => {
          format_print_text(text, maybe_style)
        }
        RenderOp::PrintTextWithAttributesAndPadding(text, maybe_style, max_display_col) => {
          format!(
            "{}, postfix pad to {:?}",
            format_print_text(text, maybe_style),
            ch!(@to_usize *max_display_col)
          )
        }
        RenderOp::CursorShow => "CursorShow".into(),
        RenderOp::CursorHide => "CursorHide".into(),
        RenderOp::RequestShowCaretAtPositionAbs(pos) => format!("ShowCursorAtPosition({pos:?})"),
        RenderOp::RequestShowCaretAtPositionRelTo(box_origin_pos, content_rel_pos) =>
          format!("ShowCursorAtPosition({box_origin_pos:?}, {content_rel_pos:?})"),
      }
    )
  }
}