mirror of
https://github.com/Relintai/pandemonium_engine.git
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316 lines
12 KiB
C++
316 lines
12 KiB
C++
#ifndef MARKDOWN_RENDERER_H
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#define MARKDOWN_RENDERER_H
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/*************************************************************************/
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/* markdown_renderer.h */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "core/string/ustring.h"
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#include "core/object/reference.h"
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#include "libs/hoedown/document.h"
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// So there is no need to add ~20 virtual methods
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class MarkdownRendererCustomRendererCallback : public Reference {
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GDCLASS(MarkdownRendererCustomRendererCallback, Reference);
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public:
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enum CallbackType {
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CALLBACK_BLOCKCODE = 0,
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CALLBACK_BLOCKQUOTE,
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CALLBACK_HEADER,
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CALLBACK_HRULE,
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CALLBACK_LIST,
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CALLBACK_LISTITEM,
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CALLBACK_PARAGRAPH,
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CALLBACK_TABLE,
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CALLBACK_TABLE_HEADER,
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CALLBACK_TABLE_BODY,
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CALLBACK_TABLE_ROW,
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CALLBACK_TABLE_CELL,
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CALLBACK_FOOTNOTES,
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CALLBACK_FOOTNOTE_DEF,
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CALLBACK_BLOCKHTML,
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CALLBACK_AUTOLINK,
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CALLBACK_CODESPAN,
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CALLBACK_DOUBLE_EMPHASIS,
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CALLBACK_EMPHASIS,
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CALLBACK_UNDERLINE,
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CALLBACK_HIGHLIGHT,
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CALLBACK_QUOTE,
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CALLBACK_IMAGE,
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CALLBACK_LINEBREAK,
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CALLBACK_LINK,
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CALLBACK_TRIPLE_EMPHASIS,
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CALLBACK_STRIKETHROUGH,
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CALLBACK_SUPERSCRIPT,
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CALLBACK_FOOTNOTE_REF,
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CALLBACK_MATH,
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CALLBACK_RAW_HTML,
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CALLBACK_ENTITY,
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CALLBACK_NORMAL_TEXT,
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CALLBACK_DOC_HEADER,
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CALLBACK_DOC_FOOTER,
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};
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enum ListFlags {
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LIST_FLAG_ORDERED = (1 << 0),
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LIST_FLAG_LI_BLOCK = (1 << 1)
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};
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enum TableFlags {
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TABLE_FLAG_ALIGN_LEFT = 1,
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TABLE_FLAG_ALIGN_RIGHT = 2,
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TABLE_FLAG_ALIGN_CENTER = 3,
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TABLE_FLAG_ALIGNMASK = 3,
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TABLE_FLAG_HEADER = 4
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};
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enum AutolinkType {
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AUTOLINK_TYPE_NONE = 0, /* used internally when it is not an autolink*/
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AUTOLINK_TYPE_NORMAL, /* normal http/http/ftp/mailto/etc link */
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AUTOLINK_TYPE_EMAIL /* e-mail link without explit mailto: */
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};
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CallbackType get_callback_type() const;
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void set_callback_type(const CallbackType val);
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String get_text() const;
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void set_text(const String &val);
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String get_lang() const;
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void set_lang(const String &val);
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String get_content() const;
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void set_content(const String &val);
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int get_level() const;
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void set_level(const int val);
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int get_list_flags() const;
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void set_list_flags(const int val);
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int get_table_flags() const;
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void set_table_flags(const int val);
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String get_link() const;
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void set_link(const String &val);
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AutolinkType get_auto_link_type() const;
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void set_auto_link_type(const AutolinkType val);
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String get_title() const;
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void set_title(const String &val);
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String get_alt() const;
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void set_alt(const String &val);
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uint32_t get_num() const;
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void set_num(const uint32_t val);
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int get_display_mode() const;
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void set_display_mode(const int val);
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int get_inline_render() const;
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void set_inline_render(const int val);
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String get_result() const;
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void set_result(const String &val);
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int get_result_code() const;
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void set_result_code(const int val);
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MarkdownRendererCustomRendererCallback();
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virtual ~MarkdownRendererCustomRendererCallback();
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protected:
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static void _bind_methods();
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protected:
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CallbackType _callback_type;
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String _text;
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String _lang;
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String _content;
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int _level;
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int _list_flags;
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int _table_flags;
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String _link;
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AutolinkType _auto_link_type;
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String _title;
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String _alt;
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uint32_t _num;
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int _display_mode;
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int _inline_render;
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String _result;
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int _result_code;
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};
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class MarkdownRenderer : public Reference {
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GDCLASS(MarkdownRenderer, Reference);
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public:
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enum RenderType {
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RENDER_TYPE_HTML = 0,
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RENDER_TYPE_HTML_TOC = 1,
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RENDERER_TYPE_CUSTOM = 2,
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};
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enum HTMLFlags {
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HTML_FLAG_SKIP_HTML = 1 << 0,
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HTML_FLAG_ESCAPE = 1 << 1,
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HTML_FLAG_HARD_WRAP = 1 << 2,
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HTML_FLAG_USE_XHTML = 1 << 3,
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};
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enum MarkdownExtensions {
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EXTENSION_TABLES = 1 << 0,
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EXTENSION_FENCED_CODE = 1 << 1,
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EXTENSION_FOOTNOTES = 1 << 2,
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EXTENSION_AUTOLINK = 1 << 3,
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EXTENSION_STRKIETHROUGH = 1 << 4,
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EXTENSION_UNDERLINE = 1 << 5,
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EXTENSION_HIGHLIGHT = 1 << 6,
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EXTENSION_QUOTE = 1 << 7,
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EXTENSION_SUPERSCRIPT = 1 << 8,
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EXTENSION_MATH = 1 << 9,
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EXTENSION_NO_INTRA_EMPHASIS = 1 << 10,
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EXTENSION_SPACE_HEADERS = 1 << 11,
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EXTENSION_MATH_EXPLICIT = 1 << 12,
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EXTENSION_DISABLE_INDENTED_CODE = 1 << 13,
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};
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public:
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RenderType get_render_type();
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void set_render_type(const RenderType val);
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int get_html_flags();
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void set_html_flags(const int val);
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int get_markdown_extensions();
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void set_markdown_extensions(const int val);
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int get_max_nesting();
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void set_max_nesting(const int val);
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bool get_use_smartypants();
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void set_use_smartypants(const bool val);
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int get_toc_level();
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void set_toc_level(const int val);
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String render_to_html(const String &markdown);
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String render(const String &markdown);
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MarkdownRenderer();
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virtual ~MarkdownRenderer();
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protected:
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void renderer_callback(Ref<MarkdownRendererCustomRendererCallback> data);
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virtual void _renderer_callback(Ref<MarkdownRendererCustomRendererCallback> data);
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static void _bind_methods();
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RenderType _render_type;
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int _html_flags;
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int _markdown_extensions;
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int _max_nesting;
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int _toc_level;
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bool _use_smartypants;
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protected:
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struct hoedown_custom_renderer_state {
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void *self;
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};
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/* block level callbacks - NULL skips the block */
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static void hoedown_cb_blockcode(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_buffer *lang, const hoedown_renderer_data *data);
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static void hoedown_cb_blockquote(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static void hoedown_cb_header(hoedown_buffer *ob, const hoedown_buffer *content, int level, const hoedown_renderer_data *data);
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static void hoedown_cb_hrule(hoedown_buffer *ob, const hoedown_renderer_data *data);
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static void hoedown_cb_list(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
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static void hoedown_cb_listitem(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_list_flags flags, const hoedown_renderer_data *data);
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static void hoedown_cb_paragraph(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static void hoedown_cb_table(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static void hoedown_cb_table_header(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static void hoedown_cb_table_body(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static void hoedown_cb_table_row(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static void hoedown_cb_table_cell(hoedown_buffer *ob, const hoedown_buffer *content, hoedown_table_flags flags, const hoedown_renderer_data *data);
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static void hoedown_cb_footnotes(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static void hoedown_cb_footnote_def(hoedown_buffer *ob, const hoedown_buffer *content, unsigned int num, const hoedown_renderer_data *data);
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static void hoedown_cb_blockhtml(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
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/* span level callbacks - NULL or return 0 prints the span verbatim */
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static int hoedown_cb_autolink(hoedown_buffer *ob, const hoedown_buffer *link, hoedown_autolink_type type, const hoedown_renderer_data *data);
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static int hoedown_cb_codespan(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
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static int hoedown_cb_double_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_underline(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_highlight(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_quote(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_image(hoedown_buffer *ob, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_buffer *alt, const hoedown_renderer_data *data);
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static int hoedown_cb_linebreak(hoedown_buffer *ob, const hoedown_renderer_data *data);
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static int hoedown_cb_link(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_buffer *link, const hoedown_buffer *title, const hoedown_renderer_data *data);
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static int hoedown_cb_triple_emphasis(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_strikethrough(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_superscript(hoedown_buffer *ob, const hoedown_buffer *content, const hoedown_renderer_data *data);
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static int hoedown_cb_footnote_ref(hoedown_buffer *ob, unsigned int num, const hoedown_renderer_data *data);
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static int hoedown_cb_math(hoedown_buffer *ob, const hoedown_buffer *text, int displaymode, const hoedown_renderer_data *data);
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static int hoedown_cb_raw_html(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
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static void hoedown_cb_entity(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
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static void hoedown_cb_normal_text(hoedown_buffer *ob, const hoedown_buffer *text, const hoedown_renderer_data *data);
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static void hoedown_cb_doc_header(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
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static void hoedown_cb_doc_footer(hoedown_buffer *ob, int inline_render, const hoedown_renderer_data *data);
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hoedown_renderer *create_custom_hoedown_renderer();
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};
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VARIANT_ENUM_CAST(MarkdownRenderer::RenderType);
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VARIANT_ENUM_CAST(MarkdownRenderer::HTMLFlags);
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VARIANT_ENUM_CAST(MarkdownRenderer::MarkdownExtensions);
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VARIANT_ENUM_CAST(MarkdownRendererCustomRendererCallback::CallbackType);
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VARIANT_ENUM_CAST(MarkdownRendererCustomRendererCallback::ListFlags);
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VARIANT_ENUM_CAST(MarkdownRendererCustomRendererCallback::TableFlags);
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VARIANT_ENUM_CAST(MarkdownRendererCustomRendererCallback::AutolinkType);
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#endif
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