Split alacritty into a separate crates

The crate containing the entry point is called alacritty, and the crate
containing everything else is called alacritty_terminal.

1 files changed, 0 insertions, 1568 deletions

diff --git a/src/ansi.rs b/src/ansi.rs
deleted file mode 100644
index c0ebb79c..00000000
--- a/src/ansi.rs
+++ /dev/null
@@ -1,1568 +0,0 @@
-// Copyright 2016 Joe Wilm, The Alacritty Project Contributors
-//
-// 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.
-//
-//! ANSI Terminal Stream Parsing
-use std::io;
-use std::ops::Range;
-use std::str;
-
-use crate::index::{Column, Contains, Line};
-use base64;
-use glutin::MouseCursor;
-use vte;
-
-use crate::term::color::Rgb;
-
-// Parse color arguments
-//
-// Expect that color argument looks like "rgb:xx/xx/xx" or "#xxxxxx"
-fn parse_rgb_color(color: &[u8]) -> Option<Rgb> {
-    let mut iter = color.iter();
-
-    macro_rules! next {
-        () => {
-            iter.next().map(|v| *v as char)
-        };
-    }
-
-    macro_rules! parse_hex {
-        () => {{
-            let mut digit: u8 = 0;
-            let next = next!().and_then(|v| v.to_digit(16));
-            if let Some(value) = next {
-                digit = value as u8;
-            }
-
-            let next = next!().and_then(|v| v.to_digit(16));
-            if let Some(value) = next {
-                digit <<= 4;
-                digit += value as u8;
-            }
-            digit
-        }};
-    }
-
-    match next!() {
-        Some('r') => {
-            if next!() != Some('g') {
-                return None;
-            }
-            if next!() != Some('b') {
-                return None;
-            }
-            if next!() != Some(':') {
-                return None;
-            }
-
-            let r = parse_hex!();
-            let val = next!();
-            if val != Some('/') {
-                return None;
-            }
-            let g = parse_hex!();
-            if next!() != Some('/') {
-                return None;
-            }
-            let b = parse_hex!();
-
-            Some(Rgb { r, g, b })
-        },
-        Some('#') => Some(Rgb { r: parse_hex!(), g: parse_hex!(), b: parse_hex!() }),
-        _ => None,
-    }
-}
-
-fn parse_number(input: &[u8]) -> Option<u8> {
-    if input.is_empty() {
-        return None;
-    }
-    let mut num: u8 = 0;
-    for c in input {
-        let c = *c as char;
-        if let Some(digit) = c.to_digit(10) {
-            num = match num.checked_mul(10).and_then(|v| v.checked_add(digit as u8)) {
-                Some(v) => v,
-                None => return None,
-            }
-        } else {
-            return None;
-        }
-    }
-    Some(num)
-}
-
-/// The processor wraps a `vte::Parser` to ultimately call methods on a Handler
-pub struct Processor {
-    state: ProcessorState,
-    parser: vte::Parser,
-}
-
-/// Internal state for VTE processor
-struct ProcessorState {
-    preceding_char: Option<char>,
-}
-
-/// Helper type that implements `vte::Perform`.
-///
-/// Processor creates a Performer when running advance and passes the Performer
-/// to `vte::Parser`.
-struct Performer<'a, H: Handler + TermInfo, W: io::Write> {
-    _state: &'a mut ProcessorState,
-    handler: &'a mut H,
-    writer: &'a mut W,
-}
-
-impl<'a, H: Handler + TermInfo + 'a, W: io::Write> Performer<'a, H, W> {
-    /// Create a performer
-    #[inline]
-    pub fn new<'b>(
-        state: &'b mut ProcessorState,
-        handler: &'b mut H,
-        writer: &'b mut W,
-    ) -> Performer<'b, H, W> {
-        Performer { _state: state, handler, writer }
-    }
-}
-
-impl Default for Processor {
-    fn default() -> Processor {
-        Processor { state: ProcessorState { preceding_char: None }, parser: vte::Parser::new() }
-    }
-}
-
-impl Processor {
-    pub fn new() -> Processor {
-        Default::default()
-    }
-
-    #[inline]
-    pub fn advance<H, W>(&mut self, handler: &mut H, byte: u8, writer: &mut W)
-    where
-        H: Handler + TermInfo,
-        W: io::Write,
-    {
-        let mut performer = Performer::new(&mut self.state, handler, writer);
-        self.parser.advance(&mut performer, byte);
-    }
-}
-
-/// Trait that provides properties of terminal
-pub trait TermInfo {
-    fn lines(&self) -> Line;
-    fn cols(&self) -> Column;
-}
-
-/// Type that handles actions from the parser
-///
-/// XXX Should probably not provide default impls for everything, but it makes
-/// writing specific handler impls for tests far easier.
-pub trait Handler {
-    /// OSC to set window title
-    fn set_title(&mut self, _: &str) {}
-
-    /// Set the window's mouse cursor
-    fn set_mouse_cursor(&mut self, _: MouseCursor) {}
-
-    /// Set the cursor style
-    fn set_cursor_style(&mut self, _: Option<CursorStyle>) {}
-
-    /// A character to be displayed
-    fn input(&mut self, _c: char) {}
-
-    /// Set cursor to position
-    fn goto(&mut self, _: Line, _: Column) {}
-
-    /// Set cursor to specific row
-    fn goto_line(&mut self, _: Line) {}
-
-    /// Set cursor to specific column
-    fn goto_col(&mut self, _: Column) {}
-
-    /// Insert blank characters in current line starting from cursor
-    fn insert_blank(&mut self, _: Column) {}
-
-    /// Move cursor up `rows`
-    fn move_up(&mut self, _: Line) {}
-
-    /// Move cursor down `rows`
-    fn move_down(&mut self, _: Line) {}
-
-    /// Identify the terminal (should write back to the pty stream)
-    ///
-    /// TODO this should probably return an io::Result
-    fn identify_terminal<W: io::Write>(&mut self, _: &mut W) {}
-
-    // Report device status
-    fn device_status<W: io::Write>(&mut self, _: &mut W, _: usize) {}
-
-    /// Move cursor forward `cols`
-    fn move_forward(&mut self, _: Column) {}
-
-    /// Move cursor backward `cols`
-    fn move_backward(&mut self, _: Column) {}
-
-    /// Move cursor down `rows` and set to column 1
-    fn move_down_and_cr(&mut self, _: Line) {}
-
-    /// Move cursor up `rows` and set to column 1
-    fn move_up_and_cr(&mut self, _: Line) {}
-
-    /// Put `count` tabs
-    fn put_tab(&mut self, _count: i64) {}
-
-    /// Backspace `count` characters
-    fn backspace(&mut self) {}
-
-    /// Carriage return
-    fn carriage_return(&mut self) {}
-
-    /// Linefeed
-    fn linefeed(&mut self) {}
-
-    /// Ring the bell
-    ///
-    /// Hopefully this is never implemented
-    fn bell(&mut self) {}
-
-    /// Substitute char under cursor
-    fn substitute(&mut self) {}
-
-    /// Newline
-    fn newline(&mut self) {}
-
-    /// Set current position as a tabstop
-    fn set_horizontal_tabstop(&mut self) {}
-
-    /// Scroll up `rows` rows
-    fn scroll_up(&mut self, _: Line) {}
-
-    /// Scroll down `rows` rows
-    fn scroll_down(&mut self, _: Line) {}
-
-    /// Insert `count` blank lines
-    fn insert_blank_lines(&mut self, _: Line) {}
-
-    /// Delete `count` lines
-    fn delete_lines(&mut self, _: Line) {}
-
-    /// Erase `count` chars in current line following cursor
-    ///
-    /// Erase means resetting to the default state (default colors, no content,
-    /// no mode flags)
-    fn erase_chars(&mut self, _: Column) {}
-
-    /// Delete `count` chars
-    ///
-    /// Deleting a character is like the delete key on the keyboard - everything
-    /// to the right of the deleted things is shifted left.
-    fn delete_chars(&mut self, _: Column) {}
-
-    /// Move backward `count` tabs
-    fn move_backward_tabs(&mut self, _count: i64) {}
-
-    /// Move forward `count` tabs
-    fn move_forward_tabs(&mut self, _count: i64) {}
-
-    /// Save current cursor position
-    fn save_cursor_position(&mut self) {}
-
-    /// Restore cursor position
-    fn restore_cursor_position(&mut self) {}
-
-    /// Clear current line
-    fn clear_line(&mut self, _mode: LineClearMode) {}
-
-    /// Clear screen
-    fn clear_screen(&mut self, _mode: ClearMode) {}
-
-    /// Clear tab stops
-    fn clear_tabs(&mut self, _mode: TabulationClearMode) {}
-
-    /// Reset terminal state
-    fn reset_state(&mut self) {}
-
-    /// Reverse Index
-    ///
-    /// Move the active position to the same horizontal position on the
-    /// preceding line. If the active position is at the top margin, a scroll
-    /// down is performed
-    fn reverse_index(&mut self) {}
-
-    /// set a terminal attribute
-    fn terminal_attribute(&mut self, _attr: Attr) {}
-
-    /// Set mode
-    fn set_mode(&mut self, _mode: Mode) {}
-
-    /// Unset mode
-    fn unset_mode(&mut self, _: Mode) {}
-
-    /// DECSTBM - Set the terminal scrolling region
-    fn set_scrolling_region(&mut self, _: Range<Line>) {}
-
-    /// DECKPAM - Set keypad to applications mode (ESCape instead of digits)
-    fn set_keypad_application_mode(&mut self) {}
-
-    /// DECKPNM - Set keypad to numeric mode (digits instead of ESCape seq)
-    fn unset_keypad_application_mode(&mut self) {}
-
-    /// Set one of the graphic character sets, G0 to G3, as the active charset.
-    ///
-    /// 'Invoke' one of G0 to G3 in the GL area. Also referred to as shift in,
-    /// shift out and locking shift depending on the set being activated
-    fn set_active_charset(&mut self, _: CharsetIndex) {}
-
-    /// Assign a graphic character set to G0, G1, G2 or G3
-    ///
-    /// 'Designate' a graphic character set as one of G0 to G3, so that it can
-    /// later be 'invoked' by `set_active_charset`
-    fn configure_charset(&mut self, _: CharsetIndex, _: StandardCharset) {}
-
-    /// Set an indexed color value
-    fn set_color(&mut self, _: usize, _: Rgb) {}
-
-    /// Reset an indexed color to original value
-    fn reset_color(&mut self, _: usize) {}
-
-    /// Set the clipboard
-    fn set_clipboard(&mut self, _: &str) {}
-
-    /// Run the dectest routine
-    fn dectest(&mut self) {}
-}
-
-/// Describes shape of cursor
-#[derive(Debug, Eq, PartialEq, Copy, Clone, Hash, Deserialize)]
-pub enum CursorStyle {
-    /// Cursor is a block like `▒`
-    Block,
-
-    /// Cursor is an underscore like `_`
-    Underline,
-
-    /// Cursor is a vertical bar `⎸`
-    Beam,
-
-    /// Cursor is a box like `☐`
-    HollowBlock,
-
-    /// Invisible cursor
-    Hidden,
-}
-
-impl Default for CursorStyle {
-    fn default() -> CursorStyle {
-        CursorStyle::Block
-    }
-}
-
-/// Terminal modes
-#[derive(Debug, Eq, PartialEq)]
-pub enum Mode {
-    /// ?1
-    CursorKeys = 1,
-    /// Select 80 or 132 columns per page
-    ///
-    /// CSI ? 3 h -> set 132 column font
-    /// CSI ? 3 l -> reset 80 column font
-    ///
-    /// Additionally,
-    ///
-    /// * set margins to default positions
-    /// * erases all data in page memory
-    /// * resets DECLRMM to unavailable
-    /// * clears data from the status line (if set to host-writable)
-    DECCOLM = 3,
-    /// IRM Insert Mode
-    ///
-    /// NB should be part of non-private mode enum
-    ///
-    /// * `CSI 4 h` change to insert mode
-    /// * `CSI 4 l` reset to replacement mode
-    Insert = 4,
-    /// ?6
-    Origin = 6,
-    /// ?7
-    LineWrap = 7,
-    /// ?12
-    BlinkingCursor = 12,
-    /// 20
-    ///
-    /// NB This is actually a private mode. We should consider adding a second
-    /// enumeration for public/private modesets.
-    LineFeedNewLine = 20,
-    /// ?25
-    ShowCursor = 25,
-    /// ?1000
-    ReportMouseClicks = 1000,
-    /// ?1002
-    ReportCellMouseMotion = 1002,
-    /// ?1003
-    ReportAllMouseMotion = 1003,
-    /// ?1004
-    ReportFocusInOut = 1004,
-    /// ?1006
-    SgrMouse = 1006,
-    /// ?1049
-    SwapScreenAndSetRestoreCursor = 1049,
-    /// ?2004
-    BracketedPaste = 2004,
-}
-
-impl Mode {
-    /// Create mode from a primitive
-    ///
-    /// TODO lots of unhandled values..
-    pub fn from_primitive(private: bool, num: i64) -> Option<Mode> {
-        if private {
-            Some(match num {
-                1 => Mode::CursorKeys,
-                3 => Mode::DECCOLM,
-                6 => Mode::Origin,
-                7 => Mode::LineWrap,
-                12 => Mode::BlinkingCursor,
-                25 => Mode::ShowCursor,
-                1000 => Mode::ReportMouseClicks,
-                1002 => Mode::ReportCellMouseMotion,
-                1003 => Mode::ReportAllMouseMotion,
-                1004 => Mode::ReportFocusInOut,
-                1006 => Mode::SgrMouse,
-                1049 => Mode::SwapScreenAndSetRestoreCursor,
-                2004 => Mode::BracketedPaste,
-                _ => {
-                    trace!("[unimplemented] primitive mode: {}", num);
-                    return None;
-                },
-            })
-        } else {
-            Some(match num {
-                4 => Mode::Insert,
-                20 => Mode::LineFeedNewLine,
-                _ => return None,
-            })
-        }
-    }
-}
-
-/// Mode for clearing line
-///
-/// Relative to cursor
-#[derive(Debug)]
-pub enum LineClearMode {
-    /// Clear right of cursor
-    Right,
-    /// Clear left of cursor
-    Left,
-    /// Clear entire line
-    All,
-}
-
-/// Mode for clearing terminal
-///
-/// Relative to cursor
-#[derive(Debug)]
-pub enum ClearMode {
-    /// Clear below cursor
-    Below,
-    /// Clear above cursor
-    Above,
-    /// Clear entire terminal
-    All,
-    /// Clear 'saved' lines (scrollback)
-    Saved,
-}
-
-/// Mode for clearing tab stops
-#[derive(Debug)]
-pub enum TabulationClearMode {
-    /// Clear stop under cursor
-    Current,
-    /// Clear all stops
-    All,
-}
-
-/// Standard colors
-///
-/// The order here matters since the enum should be castable to a `usize` for
-/// indexing a color list.
-#[derive(Debug, Copy, Clone, Eq, PartialEq, PartialOrd, Ord, Serialize, Deserialize)]
-pub enum NamedColor {
-    /// Black
-    Black = 0,
-    /// Red
-    Red,
-    /// Green
-    Green,
-    /// Yellow
-    Yellow,
-    /// Blue
-    Blue,
-    /// Magenta
-    Magenta,
-    /// Cyan
-    Cyan,
-    /// White
-    White,
-    /// Bright black
-    BrightBlack,
-    /// Bright red
-    BrightRed,
-    /// Bright green
-    BrightGreen,
-    /// Bright yellow
-    BrightYellow,
-    /// Bright blue
-    BrightBlue,
-    /// Bright magenta
-    BrightMagenta,
-    /// Bright cyan
-    BrightCyan,
-    /// Bright white
-    BrightWhite,
-    /// The foreground color
-    Foreground = 256,
-    /// The background color
-    Background,
-    /// Color for the text under the cursor
-    CursorText,
-    /// Color for the cursor itself
-    Cursor,
-    /// Dim black
-    DimBlack,
-    /// Dim red
-    DimRed,
-    /// Dim green
-    DimGreen,
-    /// Dim yellow
-    DimYellow,
-    /// Dim blue
-    DimBlue,
-    /// Dim magenta
-    DimMagenta,
-    /// Dim cyan
-    DimCyan,
-    /// Dim white
-    DimWhite,
-    /// The bright foreground color
-    BrightForeground,
-    /// Dim foreground
-    DimForeground,
-}
-
-impl NamedColor {
-    pub fn to_bright(self) -> Self {
-        match self {
-            NamedColor::Foreground => NamedColor::BrightForeground,
-            NamedColor::Black => NamedColor::BrightBlack,
-            NamedColor::Red => NamedColor::BrightRed,
-            NamedColor::Green => NamedColor::BrightGreen,
-            NamedColor::Yellow => NamedColor::BrightYellow,
-            NamedColor::Blue => NamedColor::BrightBlue,
-            NamedColor::Magenta => NamedColor::BrightMagenta,
-            NamedColor::Cyan => NamedColor::BrightCyan,
-            NamedColor::White => NamedColor::BrightWhite,
-            NamedColor::DimForeground => NamedColor::Foreground,
-            NamedColor::DimBlack => NamedColor::Black,
-            NamedColor::DimRed => NamedColor::Red,
-            NamedColor::DimGreen => NamedColor::Green,
-            NamedColor::DimYellow => NamedColor::Yellow,
-            NamedColor::DimBlue => NamedColor::Blue,
-            NamedColor::DimMagenta => NamedColor::Magenta,
-            NamedColor::DimCyan => NamedColor::Cyan,
-            NamedColor::DimWhite => NamedColor::White,
-            val => val,
-        }
-    }
-
-    pub fn to_dim(self) -> Self {
-        match self {
-            NamedColor::Black => NamedColor::DimBlack,
-            NamedColor::Red => NamedColor::DimRed,
-            NamedColor::Green => NamedColor::DimGreen,
-            NamedColor::Yellow => NamedColor::DimYellow,
-            NamedColor::Blue => NamedColor::DimBlue,
-            NamedColor::Magenta => NamedColor::DimMagenta,
-            NamedColor::Cyan => NamedColor::DimCyan,
-            NamedColor::White => NamedColor::DimWhite,
-            NamedColor::Foreground => NamedColor::DimForeground,
-            NamedColor::BrightBlack => NamedColor::Black,
-            NamedColor::BrightRed => NamedColor::Red,
-            NamedColor::BrightGreen => NamedColor::Green,
-            NamedColor::BrightYellow => NamedColor::Yellow,
-            NamedColor::BrightBlue => NamedColor::Blue,
-            NamedColor::BrightMagenta => NamedColor::Magenta,
-            NamedColor::BrightCyan => NamedColor::Cyan,
-            NamedColor::BrightWhite => NamedColor::White,
-            NamedColor::BrightForeground => NamedColor::Foreground,
-            val => val,
-        }
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Serialize, Deserialize)]
-pub enum Color {
-    Named(NamedColor),
-    Spec(Rgb),
-    Indexed(u8),
-}
-
-/// Terminal character attributes
-#[derive(Debug, Eq, PartialEq)]
-pub enum Attr {
-    /// Clear all special abilities
-    Reset,
-    /// Bold text
-    Bold,
-    /// Dim or secondary color
-    Dim,
-    /// Italic text
-    Italic,
-    /// Underscore text
-    Underscore,
-    /// Blink cursor slowly
-    BlinkSlow,
-    /// Blink cursor fast
-    BlinkFast,
-    /// Invert colors
-    Reverse,
-    /// Do not display characters
-    Hidden,
-    /// Strikeout text
-    Strike,
-    /// Cancel bold
-    CancelBold,
-    /// Cancel bold and dim
-    CancelBoldDim,
-    /// Cancel italic
-    CancelItalic,
-    /// Cancel underline
-    CancelUnderline,
-    /// Cancel blink
-    CancelBlink,
-    /// Cancel inversion
-    CancelReverse,
-    /// Cancel text hiding
-    CancelHidden,
-    /// Cancel strikeout
-    CancelStrike,
-    /// Set indexed foreground color
-    Foreground(Color),
-    /// Set indexed background color
-    Background(Color),
-}
-
-/// Identifiers which can be assigned to a graphic character set
-#[derive(Clone, Copy, Debug, Eq, PartialEq)]
-pub enum CharsetIndex {
-    /// Default set, is designated as ASCII at startup
-    G0,
-    G1,
-    G2,
-    G3,
-}
-
-impl Default for CharsetIndex {
-    fn default() -> Self {
-        CharsetIndex::G0
-    }
-}
-
-/// Standard or common character sets which can be designated as G0-G3
-#[derive(Clone, Copy, Debug, Eq, PartialEq)]
-pub enum StandardCharset {
-    Ascii,
-    SpecialCharacterAndLineDrawing,
-}
-
-impl Default for StandardCharset {
-    fn default() -> Self {
-        StandardCharset::Ascii
-    }
-}
-
-impl<'a, H, W> vte::Perform for Performer<'a, H, W>
-where
-    H: Handler + TermInfo + 'a,
-    W: io::Write + 'a,
-{
-    #[inline]
-    fn print(&mut self, c: char) {
-        self.handler.input(c);
-        self._state.preceding_char = Some(c);
-    }
-
-    #[inline]
-    fn execute(&mut self, byte: u8) {
-        match byte {
-            C0::HT => self.handler.put_tab(1),
-            C0::BS => self.handler.backspace(),
-            C0::CR => self.handler.carriage_return(),
-            C0::LF | C0::VT | C0::FF => self.handler.linefeed(),
-            C0::BEL => self.handler.bell(),
-            C0::SUB => self.handler.substitute(),
-            C0::SI => self.handler.set_active_charset(CharsetIndex::G0),
-            C0::SO => self.handler.set_active_charset(CharsetIndex::G1),
-            C1::NEL => self.handler.newline(),
-            C1::HTS => self.handler.set_horizontal_tabstop(),
-            C1::DECID => self.handler.identify_terminal(self.writer),
-            _ => debug!("[unhandled] execute byte={:02x}", byte),
-        }
-    }
-
-    #[inline]
-    fn hook(&mut self, params: &[i64], intermediates: &[u8], ignore: bool) {
-        debug!(
-            "[unhandled hook] params={:?}, ints: {:?}, ignore: {:?}",
-            params, intermediates, ignore
-        );
-    }
-
-    #[inline]
-    fn put(&mut self, byte: u8) {
-        debug!("[unhandled put] byte={:?}", byte);
-    }
-
-    #[inline]
-    fn unhook(&mut self) {
-        debug!("[unhandled unhook]");
-    }
-
-    // TODO replace OSC parsing with parser combinators
-    #[inline]
-    fn osc_dispatch(&mut self, params: &[&[u8]]) {
-        fn unhandled(params: &[&[u8]]) {
-            let mut buf = String::new();
-            for items in params {
-                buf.push_str("[");
-                for item in *items {
-                    buf.push_str(&format!("{:?},", *item as char));
-                }
-                buf.push_str("],");
-            }
-            debug!("[unhandled osc_dispatch]: [{}] at line {}", &buf, line!());
-        }
-
-        if params.is_empty() || params[0].is_empty() {
-            return;
-        }
-
-        match params[0] {
-            // Set window title
-            b"0" | b"2" => {
-                if params.len() >= 2 {
-                    if let Ok(utf8_title) = str::from_utf8(params[1]) {
-                        self.handler.set_title(utf8_title);
-                        return;
-                    }
-                }
-                unhandled(params);
-            },
-
-            // Set icon name
-            // This is ignored, since alacritty has no concept of tabs
-            b"1" => return,
-
-            // Set color index
-            b"4" => {
-                if params.len() > 1 && params.len() % 2 != 0 {
-                    for chunk in params[1..].chunks(2) {
-                        let index = parse_number(chunk[0]);
-                        let color = parse_rgb_color(chunk[1]);
-                        if let (Some(i), Some(c)) = (index, color) {
-                            self.handler.set_color(i as usize, c);
-                            return;
-                        }
-                    }
-                }
-                unhandled(params);
-            },
-
-            // Set foreground color
-            b"10" => {
-                if params.len() >= 2 {
-                    if let Some(color) = parse_rgb_color(params[1]) {
-                        self.handler.set_color(NamedColor::Foreground as usize, color);
-                        return;
-                    }
-                }
-                unhandled(params);
-            },
-
-            // Set background color
-            b"11" => {
-                if params.len() >= 2 {
-                    if let Some(color) = parse_rgb_color(params[1]) {
-                        self.handler.set_color(NamedColor::Background as usize, color);
-                        return;
-                    }
-                }
-                unhandled(params);
-            },
-
-            // Set text cursor color
-            b"12" => {
-                if params.len() >= 2 {
-                    if let Some(color) = parse_rgb_color(params[1]) {
-                        self.handler.set_color(NamedColor::Cursor as usize, color);
-                        return;
-                    }
-                }
-                unhandled(params);
-            },
-
-            // Set cursor style
-            b"50" => {
-                if params.len() >= 2
-                    && params[1].len() >= 13
-                    && params[1][0..12] == *b"CursorShape="
-                {
-                    let style = match params[1][12] as char {
-                        '0' => CursorStyle::Block,
-                        '1' => CursorStyle::Beam,
-                        '2' => CursorStyle::Underline,
-                        _ => return unhandled(params),
-                    };
-                    self.handler.set_cursor_style(Some(style));
-                    return;
-                }
-                unhandled(params);
-            },
-
-            // Set clipboard
-            b"52" => {
-                if params.len() < 3 {
-                    return unhandled(params);
-                }
-
-                match params[2] {
-                    b"?" => unhandled(params),
-                    selection => {
-                        if let Ok(string) = base64::decode(selection) {
-                            if let Ok(utf8_string) = str::from_utf8(&string) {
-                                self.handler.set_clipboard(utf8_string);
-                            }
-                        }
-                    },
-                }
-            },
-
-            // Reset color index
-            b"104" => {
-                // Reset all color indexes when no parameters are given
-                if params.len() == 1 {
-                    for i in 0..256 {
-                        self.handler.reset_color(i);
-                    }
-                    return;
-                }
-
-                // Reset color indexes given as parameters
-                for param in &params[1..] {
-                    match parse_number(param) {
-                        Some(index) => self.handler.reset_color(index as usize),
-                        None => unhandled(params),
-                    }
-                }
-            },
-
-            // Reset foreground color
-            b"110" => self.handler.reset_color(NamedColor::Foreground as usize),
-
-            // Reset background color
-            b"111" => self.handler.reset_color(NamedColor::Background as usize),
-
-            // Reset text cursor color
-            b"112" => self.handler.reset_color(NamedColor::Cursor as usize),
-
-            _ => unhandled(params),
-        }
-    }
-
-    #[inline]
-    fn csi_dispatch(&mut self, args: &[i64], intermediates: &[u8], _ignore: bool, action: char) {
-        let private = intermediates.get(0).map(|b| *b == b'?').unwrap_or(false);
-        let handler = &mut self.handler;
-        let writer = &mut self.writer;
-
-        macro_rules! unhandled {
-            () => {{
-                debug!(
-                    "[Unhandled CSI] action={:?}, args={:?}, intermediates={:?}",
-                    action, args, intermediates
-                );
-                return;
-            }};
-        }
-
-        macro_rules! arg_or_default {
-            (idx: $idx:expr, default: $default:expr) => {
-                args.get($idx)
-                    .and_then(|v| if *v == 0 { None } else { Some(*v) })
-                    .unwrap_or($default)
-            };
-        }
-
-        match action {
-            '@' => handler.insert_blank(Column(arg_or_default!(idx: 0, default: 1) as usize)),
-            'A' => {
-                handler.move_up(Line(arg_or_default!(idx: 0, default: 1) as usize));
-            },
-            'b' => {
-                if let Some(c) = self._state.preceding_char {
-                    for _ in 0..arg_or_default!(idx: 0, default: 1) {
-                        handler.input(c);
-                    }
-                } else {
-                    debug!("tried to repeat with no preceding char");
-                }
-            },
-            'B' | 'e' => handler.move_down(Line(arg_or_default!(idx: 0, default: 1) as usize)),
-            'c' => handler.identify_terminal(writer),
-            'C' | 'a' => handler.move_forward(Column(arg_or_default!(idx: 0, default: 1) as usize)),
-            'D' => handler.move_backward(Column(arg_or_default!(idx: 0, default: 1) as usize)),
-            'E' => handler.move_down_and_cr(Line(arg_or_default!(idx: 0, default: 1) as usize)),
-            'F' => handler.move_up_and_cr(Line(arg_or_default!(idx: 0, default: 1) as usize)),
-            'g' => {
-                let mode = match arg_or_default!(idx: 0, default: 0) {
-                    0 => TabulationClearMode::Current,
-                    3 => TabulationClearMode::All,
-                    _ => unhandled!(),
-                };
-
-                handler.clear_tabs(mode);
-            },
-            'G' | '`' => handler.goto_col(Column(arg_or_default!(idx: 0, default: 1) as usize - 1)),
-            'H' | 'f' => {
-                let y = arg_or_default!(idx: 0, default: 1) as usize;
-                let x = arg_or_default!(idx: 1, default: 1) as usize;
-                handler.goto(Line(y - 1), Column(x - 1));
-            },
-            'I' => handler.move_forward_tabs(arg_or_default!(idx: 0, default: 1)),
-            'J' => {
-                let mode = match arg_or_default!(idx: 0, default: 0) {
-                    0 => ClearMode::Below,
-                    1 => ClearMode::Above,
-                    2 => ClearMode::All,
-                    3 => ClearMode::Saved,
-                    _ => unhandled!(),
-                };
-
-                handler.clear_screen(mode);
-            },
-            'K' => {
-                let mode = match arg_or_default!(idx: 0, default: 0) {
-                    0 => LineClearMode::Right,
-                    1 => LineClearMode::Left,
-                    2 => LineClearMode::All,
-                    _ => unhandled!(),
-                };
-
-                handler.clear_line(mode);
-            },
-            'S' => handler.scroll_up(Line(arg_or_default!(idx: 0, default: 1) as usize)),
-            'T' => handler.scroll_down(Line(arg_or_default!(idx: 0, default: 1) as usize)),
-            'L' => handler.insert_blank_lines(Line(arg_or_default!(idx: 0, default: 1) as usize)),
-            'l' => {
-                for arg in args {
-                    let mode = Mode::from_primitive(private, *arg);
-                    match mode {
-                        Some(mode) => handler.unset_mode(mode),
-                        None => unhandled!(),
-                    }
-                }
-            },
-            'M' => handler.delete_lines(Line(arg_or_default!(idx: 0, default: 1) as usize)),
-            'X' => handler.erase_chars(Column(arg_or_default!(idx: 0, default: 1) as usize)),
-            'P' => handler.delete_chars(Column(arg_or_default!(idx: 0, default: 1) as usize)),
-            'Z' => handler.move_backward_tabs(arg_or_default!(idx: 0, default: 1)),
-            'd' => handler.goto_line(Line(arg_or_default!(idx: 0, default: 1) as usize - 1)),
-            'h' => {
-                for arg in args {
-                    let mode = Mode::from_primitive(private, *arg);
-                    match mode {
-                        Some(mode) => handler.set_mode(mode),
-                        None => unhandled!(),
-                    }
-                }
-            },
-            'm' => {
-                // Sometimes a C-style for loop is just what you need
-                let mut i = 0; // C-for initializer
-                if args.is_empty() {
-                    handler.terminal_attribute(Attr::Reset);
-                    return;
-                }
-                loop {
-                    if i >= args.len() {
-                        // C-for condition
-                        break;
-                    }
-
-                    let attr = match args[i] {
-                        0 => Attr::Reset,
-                        1 => Attr::Bold,
-                        2 => Attr::Dim,
-                        3 => Attr::Italic,
-                        4 => Attr::Underscore,
-                        5 => Attr::BlinkSlow,
-                        6 => Attr::BlinkFast,
-                        7 => Attr::Reverse,
-                        8 => Attr::Hidden,
-                        9 => Attr::Strike,
-                        21 => Attr::CancelBold,
-                        22 => Attr::CancelBoldDim,
-                        23 => Attr::CancelItalic,
-                        24 => Attr::CancelUnderline,
-                        25 => Attr::CancelBlink,
-                        27 => Attr::CancelReverse,
-                        28 => Attr::CancelHidden,
-                        29 => Attr::CancelStrike,
-                        30 => Attr::Foreground(Color::Named(NamedColor::Black)),
-                        31 => Attr::Foreground(Color::Named(NamedColor::Red)),
-                        32 => Attr::Foreground(Color::Named(NamedColor::Green)),
-                        33 => Attr::Foreground(Color::Named(NamedColor::Yellow)),
-                        34 => Attr::Foreground(Color::Named(NamedColor::Blue)),
-                        35 => Attr::Foreground(Color::Named(NamedColor::Magenta)),
-                        36 => Attr::Foreground(Color::Named(NamedColor::Cyan)),
-                        37 => Attr::Foreground(Color::Named(NamedColor::White)),
-                        38 => {
-                            let mut start = 0;
-                            if let Some(color) = parse_color(&args[i..], &mut start) {
-                                i += start;
-                                Attr::Foreground(color)
-                            } else {
-                                break;
-                            }
-                        },
-                        39 => Attr::Foreground(Color::Named(NamedColor::Foreground)),
-                        40 => Attr::Background(Color::Named(NamedColor::Black)),
-                        41 => Attr::Background(Color::Named(NamedColor::Red)),
-                        42 => Attr::Background(Color::Named(NamedColor::Green)),
-                        43 => Attr::Background(Color::Named(NamedColor::Yellow)),
-                        44 => Attr::Background(Color::Named(NamedColor::Blue)),
-                        45 => Attr::Background(Color::Named(NamedColor::Magenta)),
-                        46 => Attr::Background(Color::Named(NamedColor::Cyan)),
-                        47 => Attr::Background(Color::Named(NamedColor::White)),
-                        48 => {
-                            let mut start = 0;
-                            if let Some(color) = parse_color(&args[i..], &mut start) {
-                                i += start;
-                                Attr::Background(color)
-                            } else {
-                                break;
-                            }
-                        },
-                        49 => Attr::Background(Color::Named(NamedColor::Background)),
-                        90 => Attr::Foreground(Color::Named(NamedColor::BrightBlack)),
-                        91 => Attr::Foreground(Color::Named(NamedColor::BrightRed)),
-                        92 => Attr::Foreground(Color::Named(NamedColor::BrightGreen)),
-                        93 => Attr::Foreground(Color::Named(NamedColor::BrightYellow)),
-                        94 => Attr::Foreground(Color::Named(NamedColor::BrightBlue)),
-                        95 => Attr::Foreground(Color::Named(NamedColor::BrightMagenta)),
-                        96 => Attr::Foreground(Color::Named(NamedColor::BrightCyan)),
-                        97 => Attr::Foreground(Color::Named(NamedColor::BrightWhite)),
-                        100 => Attr::Background(Color::Named(NamedColor::BrightBlack)),
-                        101 => Attr::Background(Color::Named(NamedColor::BrightRed)),
-                        102 => Attr::Background(Color::Named(NamedColor::BrightGreen)),
-                        103 => Attr::Background(Color::Named(NamedColor::BrightYellow)),
-                        104 => Attr::Background(Color::Named(NamedColor::BrightBlue)),
-                        105 => Attr::Background(Color::Named(NamedColor::BrightMagenta)),
-                        106 => Attr::Background(Color::Named(NamedColor::BrightCyan)),
-                        107 => Attr::Background(Color::Named(NamedColor::BrightWhite)),
-                        _ => unhandled!(),
-                    };
-
-                    handler.terminal_attribute(attr);
-
-                    i += 1; // C-for expr
-                }
-            },
-            'n' => handler.device_status(writer, arg_or_default!(idx: 0, default: 0) as usize),
-            'r' => {
-                if private {
-                    unhandled!();
-                }
-                let arg0 = arg_or_default!(idx: 0, default: 1) as usize;
-                let top = Line(arg0 - 1);
-                // Bottom should be included in the range, but range end is not
-                // usually included.  One option would be to use an inclusive
-                // range, but instead we just let the open range end be 1
-                // higher.
-                let arg1 = arg_or_default!(idx: 1, default: handler.lines().0 as _) as usize;
-                let bottom = Line(arg1);
-
-                handler.set_scrolling_region(top..bottom);
-            },
-            's' => handler.save_cursor_position(),
-            'u' => handler.restore_cursor_position(),
-            'q' => {
-                let style = match arg_or_default!(idx: 0, default: 0) {
-                    0 => None,
-                    1 | 2 => Some(CursorStyle::Block),
-                    3 | 4 => Some(CursorStyle::Underline),
-                    5 | 6 => Some(CursorStyle::Beam),
-                    _ => unhandled!(),
-                };
-
-                handler.set_cursor_style(style);
-            },
-            _ => unhandled!(),
-        }
-    }
-
-    #[inline]
-    fn esc_dispatch(&mut self, params: &[i64], intermediates: &[u8], _ignore: bool, byte: u8) {
-        macro_rules! unhandled {
-            () => {{
-                debug!(
-                    "[unhandled] esc_dispatch params={:?}, ints={:?}, byte={:?} ({:02x})",
-                    params, intermediates, byte as char, byte
-                );
-                return;
-            }};
-        }
-
-        macro_rules! configure_charset {
-            ($charset:path) => {{
-                let index: CharsetIndex = match intermediates.first().cloned() {
-                    Some(b'(') => CharsetIndex::G0,
-                    Some(b')') => CharsetIndex::G1,
-                    Some(b'*') => CharsetIndex::G2,
-                    Some(b'+') => CharsetIndex::G3,
-                    _ => unhandled!(),
-                };
-                self.handler.configure_charset(index, $charset)
-            }};
-        }
-
-        match byte {
-            b'B' => configure_charset!(StandardCharset::Ascii),
-            b'D' => self.handler.linefeed(),
-            b'E' => {
-                self.handler.linefeed();
-                self.handler.carriage_return();
-            },
-            b'H' => self.handler.set_horizontal_tabstop(),
-            b'M' => self.handler.reverse_index(),
-            b'Z' => self.handler.identify_terminal(self.writer),
-            b'c' => self.handler.reset_state(),
-            b'0' => configure_charset!(StandardCharset::SpecialCharacterAndLineDrawing),
-            b'7' => self.handler.save_cursor_position(),
-            b'8' => {
-                if !intermediates.is_empty() && intermediates[0] == b'#' {
-                    self.handler.dectest();
-                } else {
-                    self.handler.restore_cursor_position();
-                }
-            },
-            b'=' => self.handler.set_keypad_application_mode(),
-            b'>' => self.handler.unset_keypad_application_mode(),
-            b'\\' => (), // String terminator, do nothing (parser handles as string terminator)
-            _ => unhandled!(),
-        }
-    }
-}
-
-/// Parse a color specifier from list of attributes
-fn parse_color(attrs: &[i64], i: &mut usize) -> Option<Color> {
-    if attrs.len() < 2 {
-        return None;
-    }
-
-    match attrs[*i + 1] {
-        2 => {
-            // RGB color spec
-            if attrs.len() < 5 {
-                debug!("Expected RGB color spec; got {:?}", attrs);
-                return None;
-            }
-
-            let r = attrs[*i + 2];
-            let g = attrs[*i + 3];
-            let b = attrs[*i + 4];
-
-            *i += 4;
-
-            let range = 0..256;
-            if !range.contains_(r) || !range.contains_(g) || !range.contains_(b) {
-                debug!("Invalid RGB color spec: ({}, {}, {})", r, g, b);
-                return None;
-            }
-
-            Some(Color::Spec(Rgb { r: r as u8, g: g as u8, b: b as u8 }))
-        },
-        5 => {
-            if attrs.len() < 3 {
-                debug!("Expected color index; got {:?}", attrs);
-                None
-            } else {
-                *i += 2;
-                let idx = attrs[*i];
-                match idx {
-                    0..=255 => Some(Color::Indexed(idx as u8)),
-                    _ => {
-                        debug!("Invalid color index: {}", idx);
-                        None
-                    },
-                }
-            }
-        },
-        _ => {
-            debug!("Unexpected color attr: {}", attrs[*i + 1]);
-            None
-        },
-    }
-}
-
-/// C0 set of 7-bit control characters (from ANSI X3.4-1977).
-#[allow(non_snake_case)]
-pub mod C0 {
-    /// Null filler, terminal should ignore this character
-    pub const NUL: u8 = 0x00;
-    /// Start of Header
-    pub const SOH: u8 = 0x01;
-    /// Start of Text, implied end of header
-    pub const STX: u8 = 0x02;
-    /// End of Text, causes some terminal to respond with ACK or NAK
-    pub const ETX: u8 = 0x03;
-    /// End of Transmission
-    pub const EOT: u8 = 0x04;
-    /// Enquiry, causes terminal to send ANSWER-BACK ID
-    pub const ENQ: u8 = 0x05;
-    /// Acknowledge, usually sent by terminal in response to ETX
-    pub const ACK: u8 = 0x06;
-    /// Bell, triggers the bell, buzzer, or beeper on the terminal
-    pub const BEL: u8 = 0x07;
-    /// Backspace, can be used to define overstruck characters
-    pub const BS: u8 = 0x08;
-    /// Horizontal Tabulation, move to next predetermined position
-    pub const HT: u8 = 0x09;
-    /// Linefeed, move to same position on next line (see also NL)
-    pub const LF: u8 = 0x0A;
-    /// Vertical Tabulation, move to next predetermined line
-    pub const VT: u8 = 0x0B;
-    /// Form Feed, move to next form or page
-    pub const FF: u8 = 0x0C;
-    /// Carriage Return, move to first character of current line
-    pub const CR: u8 = 0x0D;
-    /// Shift Out, switch to G1 (other half of character set)
-    pub const SO: u8 = 0x0E;
-    /// Shift In, switch to G0 (normal half of character set)
-    pub const SI: u8 = 0x0F;
-    /// Data Link Escape, interpret next control character specially
-    pub const DLE: u8 = 0x10;
-    /// (DC1) Terminal is allowed to resume transmitting
-    pub const XON: u8 = 0x11;
-    /// Device Control 2, causes ASR-33 to activate paper-tape reader
-    pub const DC2: u8 = 0x12;
-    /// (DC2) Terminal must pause and refrain from transmitting
-    pub const XOFF: u8 = 0x13;
-    /// Device Control 4, causes ASR-33 to deactivate paper-tape reader
-    pub const DC4: u8 = 0x14;
-    /// Negative Acknowledge, used sometimes with ETX and ACK
-    pub const NAK: u8 = 0x15;
-    /// Synchronous Idle, used to maintain timing in Sync communication
-    pub const SYN: u8 = 0x16;
-    /// End of Transmission block
-    pub const ETB: u8 = 0x17;
-    /// Cancel (makes VT100 abort current escape sequence if any)
-    pub const CAN: u8 = 0x18;
-    /// End of Medium
-    pub const EM: u8 = 0x19;
-    /// Substitute (VT100 uses this to display parity errors)
-    pub const SUB: u8 = 0x1A;
-    /// Prefix to an escape sequence
-    pub const ESC: u8 = 0x1B;
-    /// File Separator
-    pub const FS: u8 = 0x1C;
-    /// Group Separator
-    pub const GS: u8 = 0x1D;
-    /// Record Separator (sent by VT132 in block-transfer mode)
-    pub const RS: u8 = 0x1E;
-    /// Unit Separator
-    pub const US: u8 = 0x1F;
-    /// Delete, should be ignored by terminal
-    pub const DEL: u8 = 0x7f;
-}
-
-/// C1 set of 8-bit control characters (from ANSI X3.64-1979)
-///
-/// 0x80 (@), 0x81 (A), 0x82 (B), 0x83 (C) are reserved
-/// 0x98 (X), 0x99 (Y) are reserved
-/// 0x9a (Z) is 'reserved', but causes DEC terminals to respond with DA codes
-#[allow(non_snake_case)]
-pub mod C1 {
-    /// Reserved
-    pub const PAD: u8 = 0x80;
-    /// Reserved
-    pub const HOP: u8 = 0x81;
-    /// Reserved
-    pub const BPH: u8 = 0x82;
-    /// Reserved
-    pub const NBH: u8 = 0x83;
-    /// Index, moves down one line same column regardless of NL
-    pub const IND: u8 = 0x84;
-    /// New line, moves done one line and to first column (CR+LF)
-    pub const NEL: u8 = 0x85;
-    /// Start of Selected Area to be sent to auxiliary output device
-    pub const SSA: u8 = 0x86;
-    /// End of Selected Area to be sent to auxiliary output device
-    pub const ESA: u8 = 0x87;
-    /// Horizontal Tabulation Set at current position
-    pub const HTS: u8 = 0x88;
-    /// Hor Tab Justify, moves string to next tab position
-    pub const HTJ: u8 = 0x89;
-    /// Vertical Tabulation Set at current line
-    pub const VTS: u8 = 0x8A;
-    /// Partial Line Down (subscript)
-    pub const PLD: u8 = 0x8B;
-    /// Partial Line Up (superscript)
-    pub const PLU: u8 = 0x8C;
-    /// Reverse Index, go up one line, reverse scroll if necessary
-    pub const RI: u8 = 0x8D;
-    /// Single Shift to G2
-    pub const SS2: u8 = 0x8E;
-    /// Single Shift to G3 (VT100 uses this for sending PF keys)
-    pub const SS3: u8 = 0x8F;
-    /// Device Control String, terminated by ST (VT125 enters graphics)
-    pub const DCS: u8 = 0x90;
-    /// Private Use 1
-    pub const PU1: u8 = 0x91;
-    /// Private Use 2
-    pub const PU2: u8 = 0x92;
-    /// Set Transmit State
-    pub const STS: u8 = 0x93;
-    /// Cancel character, ignore previous character
-    pub const CCH: u8 = 0x94;
-    /// Message Waiting, turns on an indicator on the terminal
-    pub const MW: u8 = 0x95;
-    /// Start of Protected Area
-    pub const SPA: u8 = 0x96;
-    /// End of Protected Area
-    pub const EPA: u8 = 0x97;
-    /// SOS
-    pub const SOS: u8 = 0x98;
-    /// SGCI
-    pub const SGCI: u8 = 0x99;
-    /// DECID - Identify Terminal
-    pub const DECID: u8 = 0x9a;
-    /// Control Sequence Introducer
-    pub const CSI: u8 = 0x9B;
-    /// String Terminator (VT125 exits graphics)
-    pub const ST: u8 = 0x9C;
-    /// Operating System Command (reprograms intelligent terminal)
-    pub const OSC: u8 = 0x9D;
-    /// Privacy Message (password verification), terminated by ST
-    pub const PM: u8 = 0x9E;
-    /// Application Program Command (to word processor), term by ST
-    pub const APC: u8 = 0x9F;
-}
-
-// Tests for parsing escape sequences
-//
-// Byte sequences used in these tests are recording of pty stdout.
-#[cfg(test)]
-mod tests {
-    use super::{
-        parse_number, parse_rgb_color, Attr, CharsetIndex, Color, Handler, Processor,
-        StandardCharset, TermInfo,
-    };
-    use crate::index::{Column, Line};
-    use crate::term::color::Rgb;
-    use std::io;
-
-    /// The /dev/null of `io::Write`
-    struct Void;
-
-    impl io::Write for Void {
-        fn write(&mut self, bytes: &[u8]) -> io::Result<usize> {
-            Ok(bytes.len())
-        }
-
-        fn flush(&mut self) -> io::Result<()> {
-            Ok(())
-        }
-    }
-
-    #[derive(Default)]
-    struct AttrHandler {
-        attr: Option<Attr>,
-    }
-
-    impl Handler for AttrHandler {
-        fn terminal_attribute(&mut self, attr: Attr) {
-            self.attr = Some(attr);
-        }
-    }
-
-    impl TermInfo for AttrHandler {
-        fn lines(&self) -> Line {
-            Line(24)
-        }
-
-        fn cols(&self) -> Column {
-            Column(80)
-        }
-    }
-
-    #[test]
-    fn parse_control_attribute() {
-        static BYTES: &'static [u8] = &[0x1b, 0x5b, 0x31, 0x6d];
-
-        let mut parser = Processor::new();
-        let mut handler = AttrHandler::default();
-
-        for byte in &BYTES[..] {
-            parser.advance(&mut handler, *byte, &mut Void);
-        }
-
-        assert_eq!(handler.attr, Some(Attr::Bold));
-    }
-
-    #[test]
-    fn parse_truecolor_attr() {
-        static BYTES: &'static [u8] = &[
-            0x1b, 0x5b, 0x33, 0x38, 0x3b, 0x32, 0x3b, 0x31, 0x32, 0x38, 0x3b, 0x36, 0x36, 0x3b,
-            0x32, 0x35, 0x35, 0x6d,
-        ];
-
-        let mut parser = Processor::new();
-        let mut handler = AttrHandler::default();
-
-        for byte in &BYTES[..] {
-            parser.advance(&mut handler, *byte, &mut Void);
-        }
-
-        let spec = Rgb { r: 128, g: 66, b: 255 };
-
-        assert_eq!(handler.attr, Some(Attr::Foreground(Color::Spec(spec))));
-    }
-
-    /// No exactly a test; useful for debugging
-    #[test]
-    fn parse_zsh_startup() {
-        static BYTES: &'static [u8] = &[
-            0x1b, 0x5b, 0x31, 0x6d, 0x1b, 0x5b, 0x37, 0x6d, 0x25, 0x1b, 0x5b, 0x32, 0x37, 0x6d,
-            0x1b, 0x5b, 0x31, 0x6d, 0x1b, 0x5b, 0x30, 0x6d, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-            0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
-            0x20, 0x20, 0x20, 0x0d, 0x20, 0x0d, 0x0d, 0x1b, 0x5b, 0x30, 0x6d, 0x1b, 0x5b, 0x32,
-            0x37, 0x6d, 0x1b, 0x5b, 0x32, 0x34, 0x6d, 0x1b, 0x5b, 0x4a, 0x6a, 0x77, 0x69, 0x6c,
-            0x6d, 0x40, 0x6a, 0x77, 0x69, 0x6c, 0x6d, 0x2d, 0x64, 0x65, 0x73, 0x6b, 0x20, 0x1b,
-            0x5b, 0x30, 0x31, 0x3b, 0x33, 0x32, 0x6d, 0xe2, 0x9e, 0x9c, 0x20, 0x1b, 0x5b, 0x30,
-            0x31, 0x3b, 0x33, 0x32, 0x6d, 0x20, 0x1b, 0x5b, 0x33, 0x36, 0x6d, 0x7e, 0x2f, 0x63,
-            0x6f, 0x64, 0x65,
-        ];
-
-        let mut handler = AttrHandler::default();
-        let mut parser = Processor::new();
-
-        for byte in &BYTES[..] {
-            parser.advance(&mut handler, *byte, &mut Void);
-        }
-    }
-
-    struct CharsetHandler {
-        index: CharsetIndex,
-        charset: StandardCharset,
-    }
-
-    impl Default for CharsetHandler {
-        fn default() -> CharsetHandler {
-            CharsetHandler { index: CharsetIndex::G0, charset: StandardCharset::Ascii }
-        }
-    }
-
-    impl Handler for CharsetHandler {
-        fn configure_charset(&mut self, index: CharsetIndex, charset: StandardCharset) {
-            self.index = index;
-            self.charset = charset;
-        }
-
-        fn set_active_charset(&mut self, index: CharsetIndex) {
-            self.index = index;
-        }
-    }
-
-    impl TermInfo for CharsetHandler {
-        fn lines(&self) -> Line {
-            Line(200)
-        }
-
-        fn cols(&self) -> Column {
-            Column(90)
-        }
-    }
-
-    #[test]
-    fn parse_designate_g0_as_line_drawing() {
-        static BYTES: &'static [u8] = &[0x1b, b'(', b'0'];
-        let mut parser = Processor::new();
-        let mut handler = CharsetHandler::default();
-
-        for byte in &BYTES[..] {
-            parser.advance(&mut handler, *byte, &mut Void);
-        }
-
-        assert_eq!(handler.index, CharsetIndex::G0);
-        assert_eq!(handler.charset, StandardCharset::SpecialCharacterAndLineDrawing);
-    }
-
-    #[test]
-    fn parse_designate_g1_as_line_drawing_and_invoke() {
-        static BYTES: &'static [u8] = &[0x1b, 0x29, 0x30, 0x0e];
-        let mut parser = Processor::new();
-        let mut handler = CharsetHandler::default();
-
-        for byte in &BYTES[..3] {
-            parser.advance(&mut handler, *byte, &mut Void);
-        }
-
-        assert_eq!(handler.index, CharsetIndex::G1);
-        assert_eq!(handler.charset, StandardCharset::SpecialCharacterAndLineDrawing);
-
-        let mut handler = CharsetHandler::default();
-        parser.advance(&mut handler, BYTES[3], &mut Void);
-
-        assert_eq!(handler.index, CharsetIndex::G1);
-    }
-
-    #[test]
-    fn parse_valid_rgb_color() {
-        assert_eq!(parse_rgb_color(b"rgb:11/aa/ff"), Some(Rgb { r: 0x11, g: 0xaa, b: 0xff }));
-    }
-
-    #[test]
-    fn parse_valid_rgb_color2() {
-        assert_eq!(parse_rgb_color(b"#11aaff"), Some(Rgb { r: 0x11, g: 0xaa, b: 0xff }));
-    }
-
-    #[test]
-    fn parse_invalid_number() {
-        assert_eq!(parse_number(b"1abc"), None);
-    }
-
-    #[test]
-    fn parse_valid_number() {
-        assert_eq!(parse_number(b"123"), Some(123));
-    }
-
-    #[test]
-    fn parse_number_too_large() {
-        assert_eq!(parse_number(b"321"), None);
-    }
-}