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/*
* Copyright (c) 2020-2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/String.h>
#include <AK/Types.h>
#include <AK/Utf8View.h>
#include <AK/Vector.h>
#include <stdlib.h>
namespace Line {
class Style {
public:
bool operator==(Style const&) const = default;
enum class XtermColor : int {
Default = 9,
Black = 0,
Red,
Green,
Yellow,
Blue,
Magenta,
Cyan,
White,
Unchanged,
};
struct AnchoredTag {
};
struct UnderlineTag {
};
struct BoldTag {
};
struct ItalicTag {
};
struct Color {
bool operator==(Color const&) const = default;
explicit Color(XtermColor color)
: m_xterm_color(color)
, m_is_rgb(false)
{
}
Color(u8 r, u8 g, u8 b)
: m_rgb_color({ r, g, b })
, m_is_rgb(true)
{
}
bool is_default() const
{
return !m_is_rgb && m_xterm_color == XtermColor::Unchanged;
}
XtermColor m_xterm_color { XtermColor::Unchanged };
Vector<int, 3> m_rgb_color;
bool m_is_rgb { false };
};
struct Background : public Color {
explicit Background(XtermColor color)
: Color(color)
{
}
Background(u8 r, u8 g, u8 b)
: Color(r, g, b)
{
}
String to_vt_escape() const;
};
struct Foreground : public Color {
explicit Foreground(XtermColor color)
: Color(color)
{
}
Foreground(u8 r, u8 g, u8 b)
: Color(r, g, b)
{
}
String to_vt_escape() const;
};
struct Hyperlink {
bool operator==(Hyperlink const&) const = default;
explicit Hyperlink(StringView link)
: m_link(link)
{
m_has_link = true;
}
Hyperlink() = default;
String to_vt_escape(bool starting) const;
bool is_empty() const { return !m_has_link; }
String m_link;
bool m_has_link { false };
};
struct Mask {
bool operator==(Mask const& other) const
{
return other.mode == mode && other.replacement == replacement;
}
enum class Mode {
ReplaceEntireSelection,
ReplaceEachCodePointInSelection,
};
explicit Mask(StringView replacement, Mode mode = Mode::ReplaceEntireSelection)
: replacement(replacement)
, replacement_view(this->replacement)
, mode(mode)
{
}
String replacement;
mutable Utf8View replacement_view;
Mode mode;
};
static constexpr UnderlineTag Underline {};
static constexpr BoldTag Bold {};
static constexpr ItalicTag Italic {};
static constexpr AnchoredTag Anchored {};
// Prepare for the horror of templates.
template<typename T, typename... Rest>
Style(T const& style_arg, Rest... rest)
: Style(rest...)
{
set(style_arg);
m_is_empty = false;
}
Style() = default;
static Style reset_style()
{
return { Foreground(XtermColor::Default), Background(XtermColor::Default), Hyperlink(""sv) };
}
Style unified_with(Style const& other, bool prefer_other = true) const
{
Style style = *this;
style.unify_with(other, prefer_other);
return style;
}
void unify_with(Style const&, bool prefer_other = false);
bool underline() const { return m_underline; }
bool bold() const { return m_bold; }
bool italic() const { return m_italic; }
Background background() const { return m_background; }
Foreground foreground() const { return m_foreground; }
Hyperlink hyperlink() const { return m_hyperlink; }
Optional<Mask> mask() const { return m_mask; }
void unset_mask() const { m_mask = {}; }
void set(ItalicTag const&) { m_italic = true; }
void set(BoldTag const&) { m_bold = true; }
void set(UnderlineTag const&) { m_underline = true; }
void set(Background const& bg) { m_background = bg; }
void set(Foreground const& fg) { m_foreground = fg; }
void set(Hyperlink const& link) { m_hyperlink = link; }
void set(AnchoredTag const&) { m_is_anchored = true; }
void set(Mask const& mask) { m_mask = mask; }
bool is_anchored() const { return m_is_anchored; }
bool is_empty() const { return m_is_empty; }
String to_string() const;
private:
bool m_underline { false };
bool m_bold { false };
bool m_italic { false };
Background m_background { XtermColor::Unchanged };
Foreground m_foreground { XtermColor::Unchanged };
Hyperlink m_hyperlink;
mutable Optional<Mask> m_mask;
bool m_is_anchored { false };
bool m_is_empty { true };
};
}
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