mgl_text_index_converter.h

[詳解]

// SPDX-License-Identifier: Zlib
/* ------------------------------------------------------------------------- */
/* ------------------------------------------------------------------------- */
 
#ifndef INCGUARD_MGL_TEXT_INDEX_CONVERTER_H_1624739470
#define INCGUARD_MGL_TEXT_INDEX_CONVERTER_H_1624739470
 
#include <mgl/render/font/mgl_font_defs.h>
#include <mgl/stl/mgl_stl_containers.h>
#include <mgl/stl/mgl_stl_memory.h>
#include <mgl/stl/mgl_stl_string.h>
#include <mgl/text/mgl_text_defs.h>
 
namespace MGL::Text
{
class IndexConverter
{
public:
    virtual ~IndexConverter() noexcept = default;
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] virtual Text::IndexedCharacter ToIndexedCharacter(char32_t character, Render::FontFaceType faceType) const noexcept = 0;
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] virtual char32_t ToUTF32(Text::IndexedCharacter indexedCharacter, Render::FontFaceType faceType) const noexcept = 0;
 
    /* ------------------------------------------------------------------------- */
    /* ------------------------------------------------------------------------- */
    [[nodiscard]] virtual bool HasFontFace(Render::FontFaceType faceType) const noexcept = 0;
 
    STL::unique_ptr<Text::IndexedCharacter[]> ToIndexedString(const char *text, bool enableFormat, bool enableTag) const noexcept;
 
private:
    const char *ParseSubstitute(STL::vector<Text::IndexedCharacter> &indexes, bool enable, const char *text, Render::FontFaceType faceType) const noexcept;
    const char *ParseTag(STL::vector<Text::IndexedCharacter> &indexes, Render::FontFaceType &faceType, bool enable, const char *text) const noexcept;
    static void ParseColorTag(STL::vector<Text::IndexedCharacter> &indexes, const STL::string &tagName) noexcept;
    void ParseFaceTag(STL::vector<Text::IndexedCharacter> &indexes, Render::FontFaceType &faceType, const STL::string &tagName) const noexcept;
    bool ParseRuby(STL::vector<Text::IndexedCharacter> &indexes, Render::FontFaceType faceType, const STL::string &tagName) const noexcept;
    static void ParseResetTag(STL::vector<Text::IndexedCharacter> &indexes, Render::FontFaceType &faceType, const STL::string &tagName) noexcept;
    static const char *GetTagName(STL::string &tagName, const char *text) noexcept;
    static const char *GetUTF32(char32_t &u32char, const char *text) noexcept;
};
}    // namespace MGL::Text
 
#endif    // INCGUARD_MGL_TEXT_INDEX_CONVERTER_H_1624739470
 
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