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52276c8a2b
Use std::string by default for the implementation of FTXUI's input component. Along the way: - Give a correct implementation for fullwidth characters. - Add tests - Modify the way the cursor is drawn.
41 lines
1.3 KiB
C++
41 lines
1.3 KiB
C++
#ifndef FTXUI_SCREEN_STRING_HPP
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#define FTXUI_SCREEN_STRING_HPP
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#include <string> // for string, wstring, to_string
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#include <vector> // for vector
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namespace ftxui {
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std::string to_string(const std::wstring& s);
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std::wstring to_wstring(const std::string& s);
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template <typename T>
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std::wstring to_wstring(T s) {
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return to_wstring(std::to_string(s));
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}
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int string_width(const std::string&);
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// Split the string into a its glyphs. An empty one is inserted ater fullwidth
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// ones.
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std::vector<std::string> Utf8ToGlyphs(const std::string& input);
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// If |input| was an array of glyphs, this returns the number of char to eat
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// before reaching the glyph at index |glyph_index|.
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int GlyphPosition(const std::string& input,
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size_t glyph_index,
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size_t start = 0);
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// Returns the number of glyphs in |input|.
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int GlyphCount(const std::string& input);
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// Map every cells drawn by |input| to their corresponding Glyphs. Half-size
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// Glyphs takes one cell, full-size Glyphs take two cells.
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std::vector<int> CellToGlyphIndex(const std::string& input);
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} // namespace ftxui
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#include "ftxui/screen/deprecated.hpp"
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#endif /* end of include guard: FTXUI_SCREEN_STRING_HPP */
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// Copyright 2020 Arthur Sonzogni. All rights reserved.
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// Use of this source code is governed by the MIT license that can be found in
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// the LICENSE file.
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