minetest/src/util/enriched_string.h

111 lines
3.1 KiB
C++

/*
Copyright (C) 2013 xyz, Ilya Zhuravlev <whatever@xyz.is>
Copyright (C) 2016 Nore, Nathanaël Courant <nore@mesecons.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#pragma once
#include <string>
#include <vector>
#include <SColor.h>
using namespace irr;
class EnrichedString {
public:
EnrichedString();
EnrichedString(const std::wstring &s,
const video::SColor &color = video::SColor(255, 255, 255, 255));
EnrichedString(const wchar_t *str,
const video::SColor &color = video::SColor(255, 255, 255, 255));
EnrichedString(const std::wstring &string,
const std::vector<video::SColor> &colors);
void operator=(const wchar_t *str);
void clear();
void addAtEnd(const std::wstring &s, video::SColor color);
// Adds the character source[i] at the end.
// An EnrichedString should always be able to be copied
// to the end of an existing EnrichedString that way.
void addChar(const EnrichedString &source, size_t i);
// Adds a single character at the end, without specifying its
// color. The color used will be the one from the last character.
void addCharNoColor(wchar_t c);
EnrichedString substr(size_t pos = 0, size_t len = std::string::npos) const;
EnrichedString operator+(const EnrichedString &other) const;
void operator+=(const EnrichedString &other);
const wchar_t *c_str() const;
const std::vector<video::SColor> &getColors() const;
const std::wstring &getString() const;
inline void setDefaultColor(video::SColor color)
{
m_default_color = color;
updateDefaultColor();
}
void updateDefaultColor();
inline const video::SColor &getDefaultColor() const
{
return m_default_color;
}
inline bool operator==(const EnrichedString &other) const
{
return (m_string == other.m_string && m_colors == other.m_colors);
}
inline bool operator!=(const EnrichedString &other) const
{
return !(*this == other);
}
inline bool empty() const
{
return m_string.empty();
}
inline size_t size() const
{
return m_string.size();
}
inline bool hasBackground() const
{
return m_has_background;
}
inline video::SColor getBackground() const
{
return m_background;
}
inline void setBackground(video::SColor color)
{
m_background = color;
m_has_background = true;
}
private:
std::wstring m_string;
std::vector<video::SColor> m_colors;
bool m_has_background;
video::SColor m_default_color;
video::SColor m_background;
// This variable defines the length of the default-colored text.
// Change this to a std::vector if an "end coloring" tag is wanted.
size_t m_default_length = 0;
};