From 614464725be451159dc1b83f5c16fba01633f62b Mon Sep 17 00:00:00 2001
From: Relintai <relintai@protonmail.com>
Date: Fri, 15 Jul 2022 18:48:35 +0200
Subject: [PATCH] Initial cleanup for Preview.

---
 modules/text_editor/preview.cpp | 513 +++++++++++++++-----------------
 modules/text_editor/preview.h   |  46 ++-
 2 files changed, 252 insertions(+), 307 deletions(-)

diff --git a/modules/text_editor/preview.cpp b/modules/text_editor/preview.cpp
index 76ab3b9f9..098b494a2 100644
--- a/modules/text_editor/preview.cpp
+++ b/modules/text_editor/preview.cpp
@@ -1,307 +1,258 @@
 
 #include "preview.h"
 
+#include "scene/gui/grid_container.h"
+#include "scene/gui/rich_text_label.h"
 
-RichTextLabel Preview::get_*text_preview() {
- return *text_preview;
+#include "modules/regex/regex.h"
+
+void Preview::print_preview(const String &content) {
+	text_preview->append_bbcode(content);
+	text_preview->show();
 }
 
-void Preview::set_*text_preview(const RichTextLabel &val) {
-*text_preview = val;
+void Preview::print_bb(const String &content) {
+	text_preview->append_bbcode(content);
+	text_preview->show();
 }
 
+void Preview::print_markdown(const String &p_content) {
+	String content = p_content;
 
-GridContainer Preview::get_*table_preview() {
- return *table_preview;
+	Array result;
+	Array bolded;
+	Array italics;
+	Array striked;
+	Array coded;
+	Array linknames;
+	Array images;
+	Array links;
+	Array lists;
+	Array underlined;
+
+	Ref<RegEx> regex;
+	regex.instance();
+
+	regex->compile("\\*\\*(?<boldtext>.*)\\*\\*");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+		bolded.append(res->get_string("boldtext"));
+	}
+
+	regex->compile("\\_\\_(?<underlinetext>.*)\\_\\_");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+		underlined.append(res->get_string("underlinetext"));
+	}
+
+	regex->compile("\\*(?<italictext>.*)\\*");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+		italics.append(res->get_string("italictext"));
+	}
+
+	regex->compile("~~(?<strikedtext>.*)~~");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+		striked.append(res->get_string("strikedtext"));
+	}
+
+	regex->compile("`(?<coded>.*)`");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+		coded.append(res->get_string("coded"));
+	}
+
+	regex->compile("[+-*](?<element>\\s.*)");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+		lists.append(res->get_string("element"));
+	}
+
+	regex->compile("(?<img>!\\[.*?\\))");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+		images.append(res->get_string("img"));
+	}
+
+	regex->compile("\\[(?<linkname>.*?)\\]|\\((?<link>[h\\.]\\S*?)\\)");
+	result = regex->search_all(content);
+
+	for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
+		Ref<RegExMatch> res = result[i];
+
+		if (res->get_string("link") != "") {
+			links.append(res->get_string("link"));
+		}
+
+		if (res->get_string("linkname") != "") {
+			linknames.append(res->get_string("linkname"));
+		}
+	}
+
+	for (int i = 0; i < bolded.size(); ++i) { //i in range(bolded.size())
+		String bold = bolded[i];
+		content = content.replace("**" + bold + "**", "[b]" + bold + "[/b]");
+	}
+
+	for (int i = 0; i < italics.size(); ++i) { //i in range(italics.size())
+		String italic = italics[i];
+		content = content.replace("*" + italic + "*", "[i]" + italic + "[/i]");
+	}
+
+	for (int i = 0; i < striked.size(); ++i) { //i in range(striked.size())
+		String strik = striked[i];
+		content = content.replace("~~" + strik + "~~", "[s]" + strik + "[/s]");
+	}
+
+	for (int i = 0; i < underlined.size(); ++i) { //i in range(underlined.size())
+		String underline = underlined[i];
+		content = content.replace("__" + underline + "__", "[u]" + underline + "[/u]");
+	}
+
+	for (int i = 0; i < coded.size(); ++i) { //i in range(coded.size())
+		String code = coded[i];
+		content = content.replace("`" + code + "`", "[code]" + code + "[/code]");
+	}
+
+	for (int i = 0; i < images.size(); ++i) { //i in range(images.size())
+		String image = images[i];
+		Vector<String> substr = image.split("(");
+		String imglink = substr[1].rstrip(")");
+		content = content.replace(image, "[img]" + imglink + "[/img]");
+	}
+
+	for (int i = 0; i < links.size(); ++i) {
+		content = content.replace("[" + linknames[i] + "](" + links[i] + ")", "[url=" + links[i] + "]" + linknames[i] + "[/url]");
+	}
+
+	for (int i = 0; i < lists.size(); ++i) { //i in range(lists.size())
+		String element = lists[i];
+
+		if (content.find("- " + element)) {
+			content = content.replace("-" + element, "[indent]-" + element + "[/indent]");
+		}
+
+		if (content.find("+ " + element)) {
+			content = content.replace("+" + element, "[indent]-" + element + "[/indent]");
+		}
+
+		if (content.find("* " + element)) {
+			content = content.replace("+" + element, "[indent]-" + element + "[/indent]");
+		}
+	}
+
+	text_preview->append_bbcode(content);
+	text_preview->show();
 }
 
-void Preview::set_*table_preview(const GridContainer &val) {
-*table_preview = val;
+void Preview::print_html(const String &p_content) {
+	String content = p_content;
+
+	content = content.replace("<i>", "[i]");
+	content = content.replace("</i>", "[/i]");
+	content = content.replace("<b>", "[b]");
+	content = content.replace("</b>", "[/b]");
+	content = content.replace("<u>", "[u]");
+	content = content.replace("</u>", "[/u]");
+	content = content.replace("<ins>", "[u]");
+	content = content.replace("</ins>", "[/u]");
+	content = content.replace("<del>", "[s]");
+	content = content.replace("</del>", "[/s]");
+	content = content.replace("<a href=\"", "[url=");
+	content = content.replace("\">", "]");
+	content = content.replace("</a>", "[/url]");
+	content = content.replace("<img src=\"", "[img]");
+	content = content.replace("\" />", "[/img]");
+	content = content.replace("\"/>", "[/img]");
+	content = content.replace("<pre>", "[code]");
+	content = content.replace("</pre>", "[/code]");
+	content = content.replace("<center>", "[center]");
+	content = content.replace("</center>", "[/center]");
+	content = content.replace("<right>", "[right]");
+	content = content.replace("</right>", "[/right]");
+
+	text_preview->append_bbcode(content);
+	text_preview->show();
 }
 
+void Preview::print_csv(const Array &rows) {
+	table_preview->set_columns(rows[0].size());
 
+	for (item in rows) {
+		for (string in item) {
+			Label *label = memnew(Label);
+			label->set_text(str(string));
+			label->set_h_size_flags(SIZE_EXPAND);
+			label->set_align(1);
+			label->set_valign(1);
+			table_preview->add_child(label);
+		}
+	}
 
- //tool;
-  RichTextLabel *text_preview = null;
-  GridContainer *table_preview = null;
- signal image_downloaded();
- signal image_loaded();
-
- void Preview::_init() {
-  window_title = "File preview";
-  resizable = true;
-  set_anchors_and_margins_preset(Control.PRESET_WIDE);
-  margin_left = 81;
-  margin_top = 47;
-  margin_right = -80;
-  margin_bottom = -48;
-   VBoxContainer *vbc = VBoxContainer.new();
-  vbc.set_anchors_and_margins_preset(Control.PRESET_WIDE);
-  add_child(vbc);
-  text_preview = RichTextLabel.new();
-  vbc.add_child(text_preview);
-  text_preview.scroll_following = true;
-  text_preview.bbcode_enabled = true;
-  text_preview.size_flags_vertical = SIZE_EXPAND_FILL;
-  text_preview.hide();
-  table_preview = GridContainer.new();
-  vbc.add_child(table_preview);
-  table_preview.columns = 3;
-  table_preview.size_flags_horizontal = SIZE_EXPAND_FILL;
-  table_preview.size_flags_vertical = SIZE_EXPAND_FILL;
-  table_preview.hide();
-  connect("popup_hide", self, "_on_Preview_popup_hide");
+	table_preview->show();
 }
 
-
- void Preview::print_preview(const String &content) {
-  text_preview.append_bbcode(content);
-  text_preview.show();
+void Preview::_on_Preview_popup_hide() {
+	queue_delete();
 }
 
+Preview::Preview() {
+	set_window_title("File preview");
+	set_resizable(true);
+	set_anchors_and_margins_preset(PRESET_WIDE);
+	set_margin_left(81);
+	set_margin_top(47);
+	set_margin_right(-80);
+	set_margin_bottom(-48);
 
- void Preview::print_bb(const String &content) {
-  text_preview.append_bbcode(content);
-  text_preview.show();
+	VBoxContainer *vbc = memnew(VBoxContainer);
+	vbc->set_anchors_and_margins_preset(PRESET_WIDE);
+	add_child(vbc);
+
+	text_preview = memnew(RichTextLabel);
+	vbc->add_child(text_preview);
+	text_preview->set_scroll_following(true);
+	text_preview->set_bbcode_enabled(true);
+	text_preview->set_v_size_flags(SIZE_EXPAND_FILL);
+	text_preview->hide();
+
+	table_preview = memnew(GridContainer);
+	vbc->add_child(table_preview);
+	table_preview->set_columns(3);
+	table_preview->set_h_size_flags(SIZE_EXPAND_FILL);
+	table_preview->set_v_size_flags(SIZE_EXPAND_FILL);
+	table_preview->hide();
+
+	connect("popup_hide", this, "_on_Preview_popup_hide");
 }
 
-
- void Preview::print_markdown(const String &content) {
-   Array result = Array();
-   Array bolded = Array();
-   Array italics = Array();
-   Array striked = Array();
-   Array coded = Array();
-   Array linknames = Array();
-   Array images = Array();
-   Array links = Array();
-   Array lists = Array();
-   Array underlined = Array();
-   Ref<RegEx> regex = RegEx.new();
-  regex.compile('\\*\\*(?<boldtext>.*)\\*\\*');
-  result = regex.search_all(content);
-
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-   bolded.append(res.get_string("boldtext"));
+Preview::~Preview() {
 }
 
-  regex.compile('\\_\\_(?<underlinetext>.*)\\_\\_');
-  result = regex.search_all(content);
+void Preview::_bind_methods() {
+	signal image_downloaded();
+	signal image_loaded();
 
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-   underlined.append(res.get_string("underlinetext"));
+	ClassDB::bind_method(D_METHOD("_init"), &Preview::_init);
+	ClassDB::bind_method(D_METHOD("print_preview", "content"), &Preview::print_preview);
+	ClassDB::bind_method(D_METHOD("print_bb", "content"), &Preview::print_bb);
+	ClassDB::bind_method(D_METHOD("print_markdown", "content"), &Preview::print_markdown);
+	ClassDB::bind_method(D_METHOD("print_html", "content"), &Preview::print_html);
+	ClassDB::bind_method(D_METHOD("print_csv", "rows"), &Preview::print_csv);
+	ClassDB::bind_method(D_METHOD("_on_Preview_popup_hide"), &Preview::_on_Preview_popup_hide);
 }
-
-  regex.compile("\\*(?<italictext>.*)\\*");
-  result = regex.search_all(content);
-
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-   italics.append(res.get_string("italictext"));
-}
-
-  regex.compile("~~(?<strikedtext>.*)~~");
-  result = regex.search_all(content);
-
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-   striked.append(res.get_string("strikedtext"));
-}
-
-  regex.compile("`(?<coded>.*)`");
-  result = regex.search_all(content);
-
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-   coded.append(res.get_string("coded"));
-}
-
-  regex.compile("[+-*](?<element>\\s.*)");
-  result = regex.search_all(content);
-
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-   lists.append(res.get_string("element"));
-}
-
-  regex.compile("(?<img>!\\[.*?\\))");
-  result = regex.search_all(content);
-
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-   images.append(res.get_string("img"));
-}
-
-  regex.compile("\\[(?<linkname>.*?)\\]|\\((?<link>[h\\.]\\S*?)\\)");
-  result = regex.search_all(content);
-
-  for (int i = 0; i < result.size(); ++i) { //i in range(result.size())
-    Ref<RegExMatch> res = result[i];
-
-   if (res.get_string("link")!="") {
-    links.append(res.get_string("link"));
-}
-
-
-   if (res.get_string("linkname")!="") {
-    linknames.append(res.get_string("linkname"));
-}
-
-}
-
-
-  for (int i = 0; i < bolded.size(); ++i) { //i in range(bolded.size())
-    String bold = bolded[i];
-   content = content.replace("**"+bold+"**","[b]"+bold+"[/b]");
-}
-
-
-  for (int i = 0; i < italics.size(); ++i) { //i in range(italics.size())
-    String italic = italics[i];
-   content = content.replace("*"+italic+"*","[i]"+italic+"[/i]");
-}
-
-
-  for (int i = 0; i < striked.size(); ++i) { //i in range(striked.size())
-    String strik = striked[i];
-   content = content.replace("~~"+strik+"~~","[s]"+strik+"[/s]");
-}
-
-
-  for (int i = 0; i < underlined.size(); ++i) { //i in range(underlined.size())
-    String underline = underlined[i];
-   content = content.replace("__"+underline+"__","[u]"+underline+"[/u]");
-}
-
-
-  for (int i = 0; i < coded.size(); ++i) { //i in range(coded.size())
-    String code = coded[i];
-   content = content.replace("`"+code+"`","[code]"+code+"[/code]");
-}
-
-
-  for (int i = 0; i < images.size(); ++i) { //i in range(images.size())
-    String image = images[i];
-    Variant  = image.split("(");
-    Variant  = substr[1].rstrip(")");
-   content = content.replace(image,"[img]"+imglink+"[/img]");
-}
-
-
-  for (i in links.size()) {
-   content = content.replace("["+linknames[i]+"]("+links[i]+")","[url="+links[i]+"]"+linknames[i]+"[/url]");
-}
-
-
-  for (int i = 0; i < lists.size(); ++i) { //i in range(lists.size())
-    String element = lists[i];
-
-   if (content.find("- "+element)) {
-    content = content.replace("-"+element,"[indent]-"+element+"[/indent]");
-}
-
-
-   if (content.find("+ "+element)) {
-    content = content.replace("+"+element,"[indent]-"+element+"[/indent]");
-}
-
-
-   if (content.find("* "+element)) {
-    content = content.replace("+"+element,"[indent]-"+element+"[/indent]");
-}
-
-}
-
-  text_preview.append_bbcode(content);
-  text_preview.show();
-}
-
-
- void Preview::print_html(const String &content) {
-  content = content.replace("<i>","[i]");
-  content = content.replace("</i>","[/i]");
-  content = content.replace("<b>","[b]");
-  content = content.replace("</b>","[/b]");
-  content = content.replace("<u>","[u]");
-  content = content.replace("</u>","[/u]");
-  content = content.replace("<ins>","[u]");
-  content = content.replace("</ins>","[/u]");
-  content = content.replace("<del>","[s]");
-  content = content.replace("</del>","[/s]");
-  content = content.replace('<a href="',"[url=");
-  content = content.replace('">',"]");
-  content = content.replace("</a>","[/url]");
-  content = content.replace('<img src="',"[img]");
-  content = content.replace('" />',"[/img]");
-  content = content.replace('"/>',"[/img]");
-  content = content.replace("<pre>","[code]");
-  content = content.replace("</pre>","[/code]");
-  content = content.replace("<center>","[center]");
-  content = content.replace("</center>","[/center]");
-  content = content.replace("<right>","[right]");
-  content = content.replace("</right>","[/right]");
-  text_preview.append_bbcode(content);
-  text_preview.show();
-}
-
-
- void Preview::print_csv(const Array &rows) {
-  table_preview.columns = rows[0].size();
-
-  for (item in rows) {
-
-   for (string in item) {
-     Variant  = Label.new();
-    label.text = str(string);
-    label.set_h_size_flags(SIZE_EXPAND);
-    label.set_align(1);
-    label.set_valign(1);
-    table_preview.add_child(label);
-}
-
-}
-
-  table_preview.show();
-}
-
-
- void Preview::_on_Preview_popup_hide() {
-  queue_free();
-}
-
-}
-
- Preview::Preview() {
-  *text_preview = null;
-  *table_preview = null;
- }
-
- Preview::~Preview() {
- }
-
-
- static void Preview::_bind_methods() {
-   ClassDB::bind_method(D_METHOD("get_*text_preview"), &Preview::get_*text_preview);
-   ClassDB::bind_method(D_METHOD("set_*text_preview", "value"), &Preview::set_*text_preview);
-   ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "*text_preview", PROPERTY_HINT_RESOURCE_TYPE, "RichTextLabel"), "set_*text_preview", "get_*text_preview");
-
-
-   ClassDB::bind_method(D_METHOD("get_*table_preview"), &Preview::get_*table_preview);
-   ClassDB::bind_method(D_METHOD("set_*table_preview", "value"), &Preview::set_*table_preview);
-   ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "*table_preview", PROPERTY_HINT_RESOURCE_TYPE, "GridContainer"), "set_*table_preview", "get_*table_preview");
-
-
-  ClassDB::bind_method(D_METHOD("_init"), &Preview::_init);
-  ClassDB::bind_method(D_METHOD("print_preview", "content"), &Preview::print_preview);
-  ClassDB::bind_method(D_METHOD("print_bb", "content"), &Preview::print_bb);
-  ClassDB::bind_method(D_METHOD("print_markdown", "content"), &Preview::print_markdown);
-  ClassDB::bind_method(D_METHOD("print_html", "content"), &Preview::print_html);
-  ClassDB::bind_method(D_METHOD("print_csv", "rows"), &Preview::print_csv);
-  ClassDB::bind_method(D_METHOD("_on_Preview_popup_hide"), &Preview::_on_Preview_popup_hide);
-
- }
-
-
-
diff --git a/modules/text_editor/preview.h b/modules/text_editor/preview.h
index e082c6b40..ade32be30 100644
--- a/modules/text_editor/preview.h
+++ b/modules/text_editor/preview.h
@@ -1,38 +1,32 @@
 #ifndef PREVIEW_H
 #define PREVIEW_H
 
+#include "core/ustring.h"
+
+#include "scene/gui/dialogs.h"
+
+class RichTextLabel;
+class GridContainer;
 
 class Preview : public WindowDialog {
- GDCLASS(Preview, WindowDialog);
+	GDCLASS(Preview, WindowDialog);
 
- public:
+public:
+	void print_preview(const String &content);
+	void print_bb(const String &content);
+	void print_markdown(const String &content);
+	void print_html(const String &content);
+	void print_csv(const Array &rows);
+	void _on_Preview_popup_hide();
 
- RichTextLabel get_*text_preview();
- void set_*text_preview(const RichTextLabel &val);
+	Preview();
+	~Preview();
 
- GridContainer get_*table_preview();
- void set_*table_preview(const GridContainer &val);
+protected:
+	static void _bind_methods();
 
- void _init();
- void print_preview(const String &content);
- void print_bb(const String &content);
- void print_markdown(const String &content);
- void print_html(const String &content);
- void print_csv(const Array &rows);
- void _on_Preview_popup_hide();
-
- Preview();
- ~Preview();
-
- protected:
- static void _bind_methods();
-
- //tool
- RichTextLabel *text_preview = null;
- GridContainer *table_preview = null;
- signal image_downloaded();
- signal image_loaded();
+	RichTextLabel *text_preview;
+	GridContainer *table_preview;
 };
 
-
 #endif