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+/*
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+ * This source file is part of RmlUi, the HTML/CSS Interface Middleware
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+ *
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+ * For the latest information, see http://github.com/mikke89/RmlUi
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+ *
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+ * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
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+ * Copyright (c) 2019-2025 The RmlUi Team, and contributors
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+ *
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+ * Permission is hereby granted, free of charge, to any person obtaining a copy
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+ * of this software and associated documentation files (the "Software"), to deal
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+ * in the Software without restriction, including without limitation the rights
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+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ * copies of the Software, and to permit persons to whom the Software is
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+ * furnished to do so, subject to the following conditions:
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+ *
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+ * The above copyright notice and this permission notice shall be included in
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+ * 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, EXPRESS OR
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+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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+ * THE SOFTWARE.
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+ *
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+ */
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+
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+#include "FormattingContextDebug.h"
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+#include "../../../Include/RmlUi/Core/Element.h"
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+
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+namespace Rml {
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+#ifdef RMLUI_DEBUG
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+
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+static FormatIndependentDebugTracker* g_debug_format_independent_tracker = nullptr;
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+
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+static std::string repeat(const std::string& input, int count)
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+{
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+ if (count <= 0)
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+ return {};
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+ std::string result;
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+ result.reserve(input.size() * size_t(count));
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+ for (size_t i = 0; i < size_t(count); ++i)
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+ result += input;
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+ return result;
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+}
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+
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+FormatIndependentDebugTracker::FormatIndependentDebugTracker()
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+{
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+ RMLUI_ASSERTMSG(!g_debug_format_independent_tracker, "An instance of FormatIndependentDebugTracker already exists");
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+ g_debug_format_independent_tracker = this;
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+}
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+
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+FormatIndependentDebugTracker::~FormatIndependentDebugTracker()
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+{
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+ RMLUI_ASSERT(g_debug_format_independent_tracker == this);
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+ RMLUI_ASSERT(current_stack_level == 0);
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+ g_debug_format_independent_tracker = nullptr;
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+}
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+
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+FormatIndependentDebugTracker* FormatIndependentDebugTracker::GetIf()
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+{
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+ return g_debug_format_independent_tracker;
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+}
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+
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+void FormatIndependentDebugTracker::Reset()
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+{
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+ *this = {};
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+}
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+
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+String FormatIndependentDebugTracker::ToString() const
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+{
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+ String result;
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+
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+ for (const auto& entry : entries)
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+ {
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+ const std::string newline = '\n' + repeat("| ", entry.level);
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+ result += '\n' + repeat("+ - ", entry.level) + entry.element;
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+ result += newline + "| Containing block: " + Rml::ToString(entry.containing_block.x) + " x " + Rml::ToString(entry.containing_block.y) +
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+ ". " + entry.parent_container_element;
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+ result += newline + "| Absolute positioning containing block: " + Rml::ToString(entry.absolute_positioning_containing_block.x) + " x " +
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+ Rml::ToString(entry.absolute_positioning_containing_block.y) + ". " + entry.absolute_positioning_containing_block_element;
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+
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+ result += newline + "| Formatting context: ";
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+ switch (entry.type)
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+ {
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+ case FormattingContextType::Block: result += "Block"; break;
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+ case FormattingContextType::Table: result += "Table"; break;
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+ case FormattingContextType::Flex: result += "Flex"; break;
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+ case FormattingContextType::Replaced: result += "Replaced"; break;
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+ case FormattingContextType::None: result += "None"; break;
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+ default: result += "Unknown"; break;
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+ }
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+
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+ if (entry.override_box)
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+ {
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+ const Box& box = *entry.override_box;
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+ result += newline + "| Override box: ";
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+ result += Rml::ToString(box.GetSize().x) + " x " + Rml::ToString(box.GetSize().y);
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+ result += " (outer size: " + Rml::ToString(box.GetSizeAcross(BoxDirection::Horizontal, BoxArea::Margin)) + " x " +
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+ Rml::ToString(box.GetSizeAcross(BoxDirection::Vertical, BoxArea::Margin)) + ")";
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+ }
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+ else
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+ {
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+ result += newline + "| Override box: none";
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+ }
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+
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+ if (entry.layout)
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+ {
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+ result += newline + "| Layout results:";
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+ result += newline + "| Visible overflow: " + Rml::ToString(entry.layout->visible_overflow_size.x) + " x " +
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+ Rml::ToString(entry.layout->visible_overflow_size.y);
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+
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+ if (entry.layout->box)
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+ {
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+ const Box& box = *entry.layout->box;
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+ result += newline + "| Layout box: ";
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+ result += Rml::ToString(box.GetSize().x) + " x " + Rml::ToString(box.GetSize().y);
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+ result += " (outer size: " + Rml::ToString(box.GetSizeAcross(BoxDirection::Horizontal, BoxArea::Margin)) + " x " +
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+ Rml::ToString(box.GetSizeAcross(BoxDirection::Vertical, BoxArea::Margin)) + ")";
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+ }
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+ else
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+ {
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+ result += newline + "| Layout box: none";
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+ }
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+ }
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+ else
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+ {
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+ result += newline + "| Layout results: none";
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+ }
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+ }
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+
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+ return result;
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+}
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+
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+void FormatIndependentDebugTracker::LogMessage() const
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+{
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+ Log::Message(Log::LT_INFO, "%s", ToString().c_str());
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+}
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+
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+int FormatIndependentDebugTracker::CountCachedEntries() const
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+{
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+ return (int)std::count_if(entries.begin(), entries.end(), [](const auto& entry) { return entry.layout.has_value(); });
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+}
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+
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+int FormatIndependentDebugTracker::CountFormattedEntries() const
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+{
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+ return (int)entries.size() - CountCachedEntries();
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+}
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+
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+int FormatIndependentDebugTracker::CountEntries() const
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+{
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+ return (int)entries.size();
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+}
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+
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+#endif // RMLUI_DEBUG
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+} // namespace Rml
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Michael Ragazzon