/* * Copyright (c) 2018-2020, Andreas Kling * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include namespace Web { void dump_tree(const Node& node) { static int indent = 0; for (int i = 0; i < indent; ++i) dbgprintf(" "); if (is(node)) { dbgprintf("*Document*\n"); } else if (is(node)) { dbgprintf("<%s", to(node).local_name().characters()); to(node).for_each_attribute([](auto& name, auto& value) { dbgprintf(" %s=%s", name.characters(), value.characters()); }); dbgprintf(">\n"); } else if (is(node)) { dbgprintf("\"%s\"\n", static_cast(node).data().characters()); } else if (is(node)) { dbgprintf("\n"); } else if (is(node)) { dbgprintf("\n", to(node).data().characters()); } else if (is(node)) { dbgprintf("#document-fragment\n"); } ++indent; if (is(node)) { static_cast(node).for_each_child([](auto& child) { dump_tree(child); }); } --indent; } void dump_tree(const LayoutNode& layout_node) { static size_t indent = 0; for (size_t i = 0; i < indent; ++i) dbgprintf(" "); FlyString tag_name; if (layout_node.is_anonymous()) tag_name = "(anonymous)"; else if (is(layout_node.node())) tag_name = "#text"; else if (is(layout_node.node())) tag_name = "#document"; else if (is(layout_node.node())) tag_name = to(*layout_node.node()).local_name(); else tag_name = "???"; String identifier = ""; if (layout_node.node() && is(*layout_node.node())) { auto& element = to(*layout_node.node()); StringBuilder builder; auto id = element.attribute(HTML::AttributeNames::id); if (!id.is_empty()) { builder.append('#'); builder.append(id); } for (auto& class_name : element.class_names()) { builder.append('.'); builder.append(class_name); } identifier = builder.to_string(); } if (!layout_node.is_box()) { dbgprintf("%s {\033[33m%s\033[0m%s}\n", layout_node.class_name(), tag_name.characters(), identifier.characters()); } else { auto& layout_box = to(layout_node); dbgprintf("%s {\033[34m%s\033[0m%s} at (%g,%g) size %gx%g", layout_box.class_name(), tag_name.characters(), identifier.characters(), layout_box.absolute_x(), layout_box.absolute_y(), layout_box.width(), layout_box.height()); // Dump the horizontal box properties dbgprintf(" [%g+%g+%g %g %g+%g+%g]", layout_box.box_model().margin.left.to_px(layout_box), layout_box.box_model().border.left.to_px(layout_box), layout_box.box_model().padding.left.to_px(layout_box), layout_box.width(), layout_box.box_model().padding.right.to_px(layout_box), layout_box.box_model().border.right.to_px(layout_box), layout_box.box_model().margin.right.to_px(layout_box)); // And the vertical box properties dbgprintf(" [%g+%g+%g %g %g+%g+%g]", layout_box.box_model().margin.top.to_px(layout_box), layout_box.box_model().border.top.to_px(layout_box), layout_box.box_model().padding.top.to_px(layout_box), layout_box.height(), layout_box.box_model().padding.bottom.to_px(layout_box), layout_box.box_model().border.bottom.to_px(layout_box), layout_box.box_model().margin.bottom.to_px(layout_box)); dbgprintf("\n"); } if (layout_node.is_block() && static_cast(layout_node).children_are_inline()) { auto& block = static_cast(layout_node); for (size_t i = 0; i < indent; ++i) dbgprintf(" "); dbgprintf(" Line boxes (%d):\n", block.line_boxes().size()); for (size_t line_box_index = 0; line_box_index < block.line_boxes().size(); ++line_box_index) { auto& line_box = block.line_boxes()[line_box_index]; for (size_t i = 0; i < indent; ++i) dbgprintf(" "); dbgprintf(" [%d] width: %g\n", line_box_index, line_box.width()); for (size_t fragment_index = 0; fragment_index < line_box.fragments().size(); ++fragment_index) { auto& fragment = line_box.fragments()[fragment_index]; for (size_t i = 0; i < indent; ++i) dbgprintf(" "); dbgprintf(" [%d] layout_node: %s{%p}, start: %d, length: %d, rect: %s\n", fragment_index, fragment.layout_node().class_name(), &fragment.layout_node(), fragment.start(), fragment.length(), fragment.absolute_rect().to_string().characters()); if (fragment.layout_node().is_text()) { for (size_t i = 0; i < indent; ++i) dbgprintf(" "); auto& layout_text = static_cast(fragment.layout_node()); auto fragment_text = layout_text.text_for_rendering().substring(fragment.start(), fragment.length()); dbgprintf(" text: \"%s\"\n", fragment_text.characters()); } } } } struct NameAndValue { String name; String value; }; Vector properties; layout_node.specified_style().for_each_property([&](auto property_id, auto& value) { properties.append({ CSS::string_from_property_id(property_id), value.to_string() }); }); quick_sort(properties, [](auto& a, auto& b) { return a.name < b.name; }); for (auto& property : properties) { for (size_t i = 0; i < indent; ++i) dbgprintf(" "); dbgprintf(" (%s: %s)\n", property.name.characters(), property.value.characters()); } ++indent; layout_node.for_each_child([](auto& child) { dump_tree(child); }); --indent; } void dump_selector(const Selector& selector) { dbgprintf(" Selector:\n"); for (auto& complex_selector : selector.complex_selectors()) { dbgprintf(" "); const char* relation_description = ""; switch (complex_selector.relation) { case Selector::ComplexSelector::Relation::None: relation_description = "None"; break; case Selector::ComplexSelector::Relation::ImmediateChild: relation_description = "ImmediateChild"; break; case Selector::ComplexSelector::Relation::Descendant: relation_description = "Descendant"; break; case Selector::ComplexSelector::Relation::AdjacentSibling: relation_description = "AdjacentSibling"; break; case Selector::ComplexSelector::Relation::GeneralSibling: relation_description = "GeneralSibling"; break; } if (*relation_description) dbgprintf("{%s} ", relation_description); for (size_t i = 0; i < complex_selector.compound_selector.size(); ++i) { auto& simple_selector = complex_selector.compound_selector[i]; const char* type_description = "Unknown"; switch (simple_selector.type) { case Selector::SimpleSelector::Type::Invalid: type_description = "Invalid"; break; case Selector::SimpleSelector::Type::Universal: type_description = "Universal"; break; case Selector::SimpleSelector::Type::Id: type_description = "Id"; break; case Selector::SimpleSelector::Type::Class: type_description = "Class"; break; case Selector::SimpleSelector::Type::TagName: type_description = "TagName"; break; } const char* attribute_match_type_description = ""; switch (simple_selector.attribute_match_type) { case Selector::SimpleSelector::AttributeMatchType::None: break; case Selector::SimpleSelector::AttributeMatchType::HasAttribute: attribute_match_type_description = "HasAttribute"; break; case Selector::SimpleSelector::AttributeMatchType::ExactValueMatch: attribute_match_type_description = "ExactValueMatch"; break; case Selector::SimpleSelector::AttributeMatchType::Contains: attribute_match_type_description = "Contains"; break; } const char* pseudo_class_description = ""; switch (simple_selector.pseudo_class) { case Selector::SimpleSelector::PseudoClass::Link: pseudo_class_description = "Link"; break; case Selector::SimpleSelector::PseudoClass::Visited: pseudo_class_description = "Visited"; break; case Selector::SimpleSelector::PseudoClass::None: pseudo_class_description = "None"; break; case Selector::SimpleSelector::PseudoClass::Root: pseudo_class_description = "Root"; break; case Selector::SimpleSelector::PseudoClass::Focus: pseudo_class_description = "Focus"; break; case Selector::SimpleSelector::PseudoClass::Empty: pseudo_class_description = "Empty"; break; case Selector::SimpleSelector::PseudoClass::Hover: pseudo_class_description = "Hover"; break; case Selector::SimpleSelector::PseudoClass::LastChild: pseudo_class_description = "LastChild"; break; case Selector::SimpleSelector::PseudoClass::FirstChild: pseudo_class_description = "FirstChild"; break; case Selector::SimpleSelector::PseudoClass::OnlyChild: pseudo_class_description = "OnlyChild"; break; } dbgprintf("%s:%s", type_description, simple_selector.value.characters()); if (simple_selector.pseudo_class != Selector::SimpleSelector::PseudoClass::None) dbgprintf(" pseudo_class=%s", pseudo_class_description); if (simple_selector.attribute_match_type != Selector::SimpleSelector::AttributeMatchType::None) { dbgprintf(" [%s, name='%s', value='%s']", attribute_match_type_description, simple_selector.attribute_name.characters(), simple_selector.attribute_value.characters()); } if (i != complex_selector.compound_selector.size() - 1) dbgprintf(", "); } dbgprintf("\n"); } } void dump_rule(const StyleRule& rule) { dbgprintf("Rule:\n"); for (auto& selector : rule.selectors()) { dump_selector(selector); } dbgprintf(" Declarations:\n"); for (auto& property : rule.declaration().properties()) { dbgprintf(" %s: '%s'\n", CSS::string_from_property_id(property.property_id), property.value->to_string().characters()); } } void dump_sheet(const StyleSheet& sheet) { dbgprintf("StyleSheet{%p}: %d rule(s)\n", &sheet, sheet.rules().size()); for (auto& rule : sheet.rules()) { dump_rule(rule); } } }