Cppcheck report - Godot - branch: 3.x, commit: cd92ad0f69a842d94dc2d56f83cbd8f724ed2959 (2024-12-15): scene/gui/label.cpp

/**************************************************************************/
/*  label.cpp                                                             */
/**************************************************************************/
/*                         This file is part of:                          */
/*                             GODOT ENGINE                               */
/*                        https://godotengine.org                         */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur.                  */
/*                                                                        */
/* Permission is hereby granted, free of charge, to any person obtaining  */
/* a copy of this software and associated documentation files (the        */
/* "Software"), to deal in the Software without restriction, including    */
/* without limitation the rights to use, copy, modify, merge, publish,    */
/* distribute, sublicense, and/or sell copies of the Software, and to     */
/* permit persons to whom the Software is furnished to do so, subject to  */
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/* The above copyright notice and this permission notice shall be         */
/* included in all copies or substantial portions of the Software.        */
/*                                                                        */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,        */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF     */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY   */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,   */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE      */
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/**************************************************************************/

#include "label.h"
#include "core/print_string.h"
#include "core/project_settings.h"
#include "core/translation.h"

void Label::set_autowrap(bool p_autowrap) {
	if (autowrap == p_autowrap) {
		return;
	}

	autowrap = p_autowrap;
	word_cache_dirty = true;
	update();

	if (clip) {
		minimum_size_changed();
	}
}
bool Label::has_autowrap() const {
	return autowrap;
}

void Label::set_uppercase(bool p_uppercase) {
	uppercase = p_uppercase;
	word_cache_dirty = true;
	update();
}
bool Label::is_uppercase() const {
	return uppercase;
}

int Label::get_line_height() const {
	return get_font("font")->get_height();
}

void Label::_notification(int p_what) {
	if (p_what == NOTIFICATION_TRANSLATION_CHANGED) {
		String new_text = tr(text);
		if (new_text == xl_text) {
			return; //nothing new
		}
		xl_text = new_text;

		regenerate_word_cache();
		update();
	}

	if (p_what == NOTIFICATION_DRAW) {
		if (clip) {
			VisualServer::get_singleton()->canvas_item_set_clip(get_canvas_item(), true);
		}

		if (word_cache_dirty) {
			regenerate_word_cache();
		}

		RID ci = get_canvas_item();

		Size2 string_size;
		Size2 size = get_size();
		Ref<StyleBox> style = get_stylebox("normal");
		Ref<Font> font = get_font("font");
		select_font(font);
		Color font_color = get_color("font_color");
		Color font_color_shadow = get_color("font_color_shadow");
		bool use_outline = get_constant("shadow_as_outline");
		Point2 shadow_ofs(get_constant("shadow_offset_x"), get_constant("shadow_offset_y"));
		int line_spacing = get_constant("line_spacing");
		Color font_outline_modulate = get_color("font_outline_modulate");

		style->draw(ci, Rect2(Point2(0, 0), get_size()));

		int font_h = font->get_height() + line_spacing;

		int lines_visible = (size.y + line_spacing) / font_h;

		real_t space_w = font->get_char_size(' ').width;
		int chars_total = 0;

		int vbegin = 0, vsep = 0;

		if (lines_visible > line_count) {
			lines_visible = line_count;
		}

		if (max_lines_visible >= 0 && lines_visible > max_lines_visible) {
			lines_visible = max_lines_visible;
		}

		float total_h = 0;
		total_h += lines_visible * font_h;
		total_h += style->get_margin(MARGIN_TOP) + style->get_margin(MARGIN_BOTTOM);

		if (lines_visible > 0) {
			switch (valign) {
				case VALIGN_TOP: {
					//nothing
				} break;
				case VALIGN_CENTER: {
					vbegin = (size.y - (total_h - line_spacing)) / 2;
					vsep = 0;

				} break;
				case VALIGN_BOTTOM: {
					vbegin = size.y - (total_h - line_spacing);
					vsep = 0;

				} break;
				case VALIGN_FILL: {
					vbegin = 0;
					if (lines_visible > 1) {
						vsep = (size.y - (total_h - line_spacing)) / (lines_visible - 1);
					} else {
						vsep = 0;
					}

				} break;
			}
		}

		WordCache *wc = word_cache;
		if (!wc) {
			return;
		}

		int line = 0;
		int line_to = lines_skipped + (lines_visible > 0 ? lines_visible : 1);
		FontDrawer drawer(font, font_outline_modulate);
		while (wc) {
			/* handle lines not meant to be drawn quickly */
			if (line >= line_to) {
				break;
			}
			if (line < lines_skipped) {
				while (wc && wc->char_pos >= 0) {
					wc = wc->next;
				}
				if (wc) {
					wc = wc->next;
				}
				line++;
				continue;
			}

			/* handle lines normally */

			if (wc->char_pos < 0) {
				//empty line
				wc = wc->next;
				line++;
				continue;
			}

			WordCache *from = wc;
			WordCache *to = wc;

			int taken = 0;
			int spaces = 0;
			while (to && to->char_pos >= 0) {
				taken += to->pixel_width;
				if (to->space_count) {
					spaces += to->space_count;
				}
				to = to->next;
			}

			bool can_fill = to && (to->char_pos == WordCache::CHAR_WRAPLINE || to->char_pos == WordCache::CHAR_NEWLINE);

			float x_ofs = 0;

			switch (align) {
				case ALIGN_FILL:
				case ALIGN_LEFT: {
					x_ofs = style->get_offset().x;
				} break;
				case ALIGN_CENTER: {
					x_ofs = int(size.width - (taken + spaces * space_w)) / 2;
				} break;
				case ALIGN_RIGHT: {
					x_ofs = int(size.width - style->get_margin(MARGIN_RIGHT) - (taken + spaces * space_w));
				} break;
			}

			float y_ofs = style->get_offset().y;
			y_ofs += (line - lines_skipped) * font_h + font->get_ascent();
			y_ofs += vbegin + line * vsep;

			while (from != to) {
				// draw a word
				int pos = from->char_pos;
				if (from->char_pos < 0) {
					ERR_PRINT("BUG");
					return;
				}
				if (from->space_count) {
					/* spacing */
					x_ofs += space_w * from->space_count;
					if (can_fill && align == ALIGN_FILL && spaces) {
						x_ofs += int((size.width - (taken + space_w * spaces)) / spaces);
					}
				}

				if (font_color_shadow.a > 0) {
					int chars_total_shadow = chars_total; //save chars drawn
					float x_ofs_shadow = x_ofs;
					for (int i = 0; i < from->word_len; i++) {
						if (visible_chars < 0 || chars_total_shadow < visible_chars) {
							CharType c = xl_text[i + pos];
							CharType n = xl_text[i + pos + 1];
							if (uppercase) {
								c = String::char_uppercase(c);
								n = String::char_uppercase(n);
							}

							float move = drawer.draw_char(ci, Point2(x_ofs_shadow, y_ofs) + shadow_ofs, c, n, font_color_shadow);
							if (use_outline) {
								drawer.draw_char(ci, Point2(x_ofs_shadow, y_ofs) + Vector2(-shadow_ofs.x, shadow_ofs.y), c, n, font_color_shadow);
								drawer.draw_char(ci, Point2(x_ofs_shadow, y_ofs) + Vector2(shadow_ofs.x, -shadow_ofs.y), c, n, font_color_shadow);
								drawer.draw_char(ci, Point2(x_ofs_shadow, y_ofs) + Vector2(-shadow_ofs.x, -shadow_ofs.y), c, n, font_color_shadow);
							}
							x_ofs_shadow += move;
							chars_total_shadow++;
						}
					}
				}
				for (int i = 0; i < from->word_len; i++) {
					if (visible_chars < 0 || chars_total < visible_chars) {
						CharType c = xl_text[i + pos];
						CharType n = xl_text[i + pos + 1];
						if (uppercase) {
							c = String::char_uppercase(c);
							n = String::char_uppercase(n);
						}

						x_ofs += drawer.draw_char(ci, Point2(x_ofs, y_ofs), c, n, font_color);
						chars_total++;
					}
				}
				from = from->next;
			}

			wc = to ? to->next : nullptr;
			line++;
		}
	}

	if (p_what == NOTIFICATION_THEME_CHANGED) {
		word_cache_dirty = true;
		update();
	}
	if (p_what == NOTIFICATION_RESIZED) {
		word_cache_dirty = true;
	}
}

Size2 Label::get_minimum_size() const {
	Size2 min_style = get_stylebox("normal")->get_minimum_size();

	// don't want to mutable everything
	if (word_cache_dirty) {
		const_cast<Label *>(this)->regenerate_word_cache();
	}

	if (autowrap) {
		return Size2(1, clip ? 1 : minsize.height) + min_style;
	} else {
		Size2 ms = minsize;
		if (clip) {
			ms.width = 1;
		}
		return ms + min_style;
	}
}

int Label::get_longest_line_width() const {
	Ref<Font> font = get_font("font");
	real_t max_line_width = 0;
	real_t line_width = 0;

	for (int i = 0; i < xl_text.size(); i++) {
		CharType current = xl_text[i];
		if (uppercase) {
			current = String::char_uppercase(current);
		}

		if (current < 32) {
			if (current == '\n') {
				if (line_width > max_line_width) {
					max_line_width = line_width;
				}
				line_width = 0;
			}
		} else {
			real_t char_width = font->get_char_size(current, xl_text[i + 1]).width;
			line_width += char_width;
		}
	}

	if (line_width > max_line_width) {
		max_line_width = line_width;
	}

	// ceiling to ensure autowrapping does not cut text
	return Math::ceil(max_line_width);
}

int Label::get_line_count() const {
	if (!is_inside_tree()) {
		return 1;
	}
	if (word_cache_dirty) {
		const_cast<Label *>(this)->regenerate_word_cache();
	}

	return line_count;
}

int Label::get_visible_line_count() const {
	int line_spacing = get_constant("line_spacing");
	int font_h = get_font("font")->get_height() + line_spacing;
	int lines_visible = (get_size().height - get_stylebox("normal")->get_minimum_size().height + line_spacing) / font_h;

	if (lines_visible > line_count) {
		lines_visible = line_count;
	}

	if (max_lines_visible >= 0 && lines_visible > max_lines_visible) {
		lines_visible = max_lines_visible;
	}

	return lines_visible;
}

void Label::regenerate_word_cache() {
	while (word_cache) {
		WordCache *current = word_cache;
		word_cache = current->next;
		memdelete(current);
	}

	int width;
	if (autowrap) {
		Ref<StyleBox> style = get_stylebox("normal");
		width = MAX(get_size().width, get_custom_minimum_size().width) - style->get_minimum_size().width;
	} else {
		width = get_longest_line_width();
	}

	Ref<Font> font = get_font("font");

	real_t current_word_size = 0;
	int word_pos = 0;
	real_t line_width = 0;
	int space_count = 0;
	real_t space_width = font->get_char_size(' ').width;
	int line_spacing = get_constant("line_spacing");
	line_count = 1;
	total_char_cache = 0;
	bool was_separatable = false;

	WordCache *last = nullptr;

	for (int i = 0; i <= xl_text.length(); i++) {
		CharType current = i < xl_text.length() ? xl_text[i] : L' '; //always a space at the end, so the algo works

		if (uppercase) {
			current = String::char_uppercase(current);
		}

		// ranges taken from https://en.wikipedia.org/wiki/Plane_(Unicode)
		// if your language is not well supported, consider helping improve
		// the unicode support in Godot.
		bool separatable = (current >= 0x2E08 && current <= 0x9FFF) || // CJK scripts and symbols.
				(current >= 0xAC00 && current <= 0xD7FF) || // Hangul Syllables and Hangul Jamo Extended-B.
				(current >= 0xF900 && current <= 0xFAFF) || // CJK Compatibility Ideographs.
				(current >= 0xFE30 && current <= 0xFE4F) || // CJK Compatibility Forms.
				(current >= 0xFF65 && current <= 0xFF9F) || // Halfwidth forms of katakana
				(current >= 0xFFA0 && current <= 0xFFDC) || // Halfwidth forms of compatibility jamo characters for Hangul
				(current >= 0x20000 && current <= 0x2FA1F) || // CJK Unified Ideographs Extension B ~ F and CJK Compatibility Ideographs Supplement.
				(current >= 0x30000 && current <= 0x3134F); // CJK Unified Ideographs Extension G.
		bool insert_newline = false;
		real_t char_width = 0;

		bool separation_changed = i > 0 && was_separatable != separatable;
		was_separatable = separatable;

		if (current < 33) { // Control characters and space.
			if (current_word_size > 0) { // These characters always create a word-break.
				WordCache *wc = memnew(WordCache);
				if (word_cache) {
					last->next = wc;
				} else {
					word_cache = wc;
				}
				last = wc;

				wc->pixel_width = current_word_size;
				wc->char_pos = word_pos;
				wc->word_len = i - word_pos;
				wc->space_count = space_count;
				current_word_size = 0;
				space_count = 0;
			} else if ((i == xl_text.length() || current == '\n') && last != nullptr && space_count != 0) {
				// In case there are trailing white spaces we add a placeholder word cache with just the spaces.
				WordCache *wc = memnew(WordCache);
				if (word_cache) {
					last->next = wc;
				} else {
					word_cache = wc;
				}
				last = wc;

				wc->pixel_width = 0;
				wc->char_pos = 0;
				wc->word_len = 0;
				wc->space_count = space_count;
				current_word_size = 0;
				space_count = 0;
			}

			if (current == '\n') {
				insert_newline = true;
			} else if (current != ' ') {
				total_char_cache++;
			}

			if (i < xl_text.length() && xl_text[i] == ' ') {
				if (line_width == 0) {
					if (current_word_size == 0) {
						word_pos = i;
					}
					current_word_size += space_width;
					line_width += space_width;
				} else if (line_width > 0 || last == nullptr || last->char_pos != WordCache::CHAR_WRAPLINE) {
					space_count++;
					line_width += space_width;
				} else {
					space_count = 0;
				}
			}

		} else { // Characters with graphical representation.
			// Word-break on CJK & non-CJK edge.
			if (separation_changed && current_word_size > 0) {
				WordCache *wc = memnew(WordCache);
				if (word_cache) {
					last->next = wc;
				} else {
					word_cache = wc;
				}
				last = wc;

				wc->pixel_width = current_word_size;
				wc->char_pos = word_pos;
				wc->word_len = i - word_pos;
				wc->space_count = space_count;
				current_word_size = 0;
				space_count = 0;
			}
			if (current_word_size == 0) {
				word_pos = i;
			}
			char_width = font->get_char_size(current, xl_text[i + 1]).width;
			current_word_size += char_width;
			line_width += char_width;
			total_char_cache++;

			// allow autowrap to cut words when they exceed line width
			if (autowrap && (current_word_size > width)) {
				separatable = true;
			}
		}

		if ((autowrap && (line_width >= width) && ((last && last->char_pos >= 0) || separatable)) || insert_newline) {
			if (separatable) {
				if (current_word_size > 0) {
					WordCache *wc = memnew(WordCache);
					if (word_cache) {
						last->next = wc;
					} else {
						word_cache = wc;
					}
					last = wc;

					wc->pixel_width = current_word_size - char_width;
					wc->char_pos = word_pos;
					wc->word_len = i - word_pos;
					wc->space_count = space_count;
					current_word_size = char_width;
					word_pos = i;
				}
			}

			WordCache *wc = memnew(WordCache);
			if (word_cache) {
				last->next = wc;
			} else {
				word_cache = wc;
			}
			last = wc;

			wc->pixel_width = 0;
			wc->char_pos = insert_newline ? WordCache::CHAR_NEWLINE : WordCache::CHAR_WRAPLINE;

			line_width = current_word_size;
			line_count++;
			space_count = 0;
		}
	}

	if (!autowrap) {
		minsize.width = width;
	}

	if (max_lines_visible > 0 && line_count > max_lines_visible) {
		minsize.height = (font->get_height() * max_lines_visible) + (line_spacing * (max_lines_visible - 1));
	} else {
		minsize.height = (font->get_height() * line_count) + (line_spacing * (line_count - 1));
	}

	if (!autowrap || !clip) {
		//helps speed up some labels that may change a lot, as no resizing is requested. Do not change.
		minimum_size_changed();
	}
	word_cache_dirty = false;
}

void Label::set_align(Align p_align) {
	ERR_FAIL_INDEX((int)p_align, 4);
	align = p_align;
	update();
}

Label::Align Label::get_align() const {
	return align;
}

void Label::set_valign(VAlign p_align) {
	ERR_FAIL_INDEX((int)p_align, 4);
	valign = p_align;
	update();
}

Label::VAlign Label::get_valign() const {
	return valign;
}

void Label::set_text(const String &p_string) {
	if (text == p_string) {
		return;
	}
	text = p_string;
	xl_text = tr(p_string);
	word_cache_dirty = true;
	if (percent_visible < 1) {
		visible_chars = get_total_character_count() * percent_visible;
	}
	update();
}

void Label::set_clip_text(bool p_clip) {
	clip = p_clip;
	update();
	minimum_size_changed();
}

bool Label::is_clipping_text() const {
	return clip;
}

String Label::get_text() const {
	return text;
}

void Label::set_visible_characters(int p_amount) {
	visible_chars = p_amount;
	if (get_total_character_count() > 0) {
		percent_visible = (float)p_amount / (float)total_char_cache;
	}
	_change_notify("percent_visible");
	update();
}

int Label::get_visible_characters() const {
	return visible_chars;
}

void Label::set_percent_visible(float p_percent) {
	if (p_percent < 0 || p_percent >= 1) {
		visible_chars = -1;
		percent_visible = 1;

	} else {
		visible_chars = get_total_character_count() * p_percent;
		percent_visible = p_percent;
	}
	_change_notify("visible_chars");
	update();
}

float Label::get_percent_visible() const {
	return percent_visible;
}

void Label::set_lines_skipped(int p_lines) {
	ERR_FAIL_COND(p_lines < 0);
	lines_skipped = p_lines;
	update();
}

int Label::get_lines_skipped() const {
	return lines_skipped;
}

void Label::set_max_lines_visible(int p_lines) {
	max_lines_visible = p_lines;
	update();
}

int Label::get_max_lines_visible() const {
	return max_lines_visible;
}

int Label::get_total_character_count() const {
	if (word_cache_dirty) {
		const_cast<Label *>(this)->regenerate_word_cache();
	}

	return total_char_cache;
}

void Label::_bind_methods() {
	ClassDB::bind_method(D_METHOD("set_align", "align"), &Label::set_align);
	ClassDB::bind_method(D_METHOD("get_align"), &Label::get_align);
	ClassDB::bind_method(D_METHOD("set_valign", "valign"), &Label::set_valign);
	ClassDB::bind_method(D_METHOD("get_valign"), &Label::get_valign);
	ClassDB::bind_method(D_METHOD("set_text", "text"), &Label::set_text);
	ClassDB::bind_method(D_METHOD("get_text"), &Label::get_text);
	ClassDB::bind_method(D_METHOD("set_autowrap", "enable"), &Label::set_autowrap);
	ClassDB::bind_method(D_METHOD("has_autowrap"), &Label::has_autowrap);
	ClassDB::bind_method(D_METHOD("set_clip_text", "enable"), &Label::set_clip_text);
	ClassDB::bind_method(D_METHOD("is_clipping_text"), &Label::is_clipping_text);
	ClassDB::bind_method(D_METHOD("set_uppercase", "enable"), &Label::set_uppercase);
	ClassDB::bind_method(D_METHOD("is_uppercase"), &Label::is_uppercase);
	ClassDB::bind_method(D_METHOD("get_line_height"), &Label::get_line_height);
	ClassDB::bind_method(D_METHOD("get_line_count"), &Label::get_line_count);
	ClassDB::bind_method(D_METHOD("get_visible_line_count"), &Label::get_visible_line_count);
	ClassDB::bind_method(D_METHOD("get_total_character_count"), &Label::get_total_character_count);
	ClassDB::bind_method(D_METHOD("set_visible_characters", "amount"), &Label::set_visible_characters);
	ClassDB::bind_method(D_METHOD("get_visible_characters"), &Label::get_visible_characters);
	ClassDB::bind_method(D_METHOD("set_percent_visible", "percent_visible"), &Label::set_percent_visible);
	ClassDB::bind_method(D_METHOD("get_percent_visible"), &Label::get_percent_visible);
	ClassDB::bind_method(D_METHOD("set_lines_skipped", "lines_skipped"), &Label::set_lines_skipped);
	ClassDB::bind_method(D_METHOD("get_lines_skipped"), &Label::get_lines_skipped);
	ClassDB::bind_method(D_METHOD("set_max_lines_visible", "lines_visible"), &Label::set_max_lines_visible);
	ClassDB::bind_method(D_METHOD("get_max_lines_visible"), &Label::get_max_lines_visible);

	BIND_ENUM_CONSTANT(ALIGN_LEFT);
	BIND_ENUM_CONSTANT(ALIGN_CENTER);
	BIND_ENUM_CONSTANT(ALIGN_RIGHT);
	BIND_ENUM_CONSTANT(ALIGN_FILL);

	BIND_ENUM_CONSTANT(VALIGN_TOP);
	BIND_ENUM_CONSTANT(VALIGN_CENTER);
	BIND_ENUM_CONSTANT(VALIGN_BOTTOM);
	BIND_ENUM_CONSTANT(VALIGN_FILL);

	ADD_PROPERTY(PropertyInfo(Variant::STRING, "text", PROPERTY_HINT_MULTILINE_TEXT, "", PROPERTY_USAGE_DEFAULT_INTL), "set_text", "get_text");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "align", PROPERTY_HINT_ENUM, "Left,Center,Right,Fill"), "set_align", "get_align");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "valign", PROPERTY_HINT_ENUM, "Top,Center,Bottom,Fill"), "set_valign", "get_valign");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "autowrap"), "set_autowrap", "has_autowrap");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "clip_text"), "set_clip_text", "is_clipping_text");
	ADD_PROPERTY(PropertyInfo(Variant::BOOL, "uppercase"), "set_uppercase", "is_uppercase");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "visible_characters", PROPERTY_HINT_RANGE, "-1,128000,1", PROPERTY_USAGE_EDITOR), "set_visible_characters", "get_visible_characters");
	ADD_PROPERTY(PropertyInfo(Variant::REAL, "percent_visible", PROPERTY_HINT_RANGE, "0,1,0.001"), "set_percent_visible", "get_percent_visible");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "lines_skipped", PROPERTY_HINT_RANGE, "0,999,1"), "set_lines_skipped", "get_lines_skipped");
	ADD_PROPERTY(PropertyInfo(Variant::INT, "max_lines_visible", PROPERTY_HINT_RANGE, "-1,999,1"), "set_max_lines_visible", "get_max_lines_visible");
}

Label::Label(const String &p_text) {
	align = ALIGN_LEFT;
	valign = VALIGN_TOP;
	xl_text = "";
<--- Variable 'xl_text' is assigned in constructor body. Consider performing initialization in initialization list. [+]
When an object of a class is created, the constructors of all member variables are called consecutively in the order the variables are declared, even if you don't explicitly write them to the initialization list. You could avoid assigning 'xl_text' a value by passing the value to the constructor in the initialization list.
	word_cache = nullptr;
	word_cache_dirty = true;
	autowrap = false;
	line_count = 0;
	set_v_size_flags(0);
	clip = false;
	set_mouse_filter(MOUSE_FILTER_IGNORE);
	total_char_cache = 0;
	visible_chars = -1;
	percent_visible = 1;
	lines_skipped = 0;
	max_lines_visible = -1;
	set_text(p_text);
	uppercase = false;
	set_v_size_flags(SIZE_SHRINK_CENTER);
}

Label::~Label() {
	while (word_cache) {
		WordCache *current = word_cache;
		word_cache = current->next;
		memdelete(current);
	}
}