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LibHTML: Start fleshing out a basic layout tree.

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This commit is contained in:
Andreas Kling 2019-06-15 22:49:44 +02:00
parent f8a86b5164
commit 8a0e21b22b
24 changed files with 338 additions and 18 deletions
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28
LibHTML/Dump.cpp
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@ -1,10 +1,12 @@
#include <LibHTML/Document.h>
#include <LibHTML/Dump.h>
#include <LibHTML/Element.h>
#include <LibHTML/LayoutNode.h>
#include <LibHTML/LayoutText.h>
#include <LibHTML/Text.h>
#include <stdio.h>
void dump_tree(Node& node)
void dump_tree(const Node& node)
{
static int indent = 0;
for (int i = 0; i < indent; ++i)
@ -12,19 +14,35 @@ void dump_tree(Node& node)
if (node.is_document()) {
printf("*Document*\n");
} else if (node.is_element()) {
printf("<%s", static_cast<Element&>(node).tag_name().characters());
static_cast<Element&>(node).for_each_attribute([](auto& name, auto& value) {
printf("<%s", static_cast<const Element&>(node).tag_name().characters());
static_cast<const Element&>(node).for_each_attribute([](auto& name, auto& value) {
printf(" %s=%s", name.characters(), value.characters());
});
printf(">\n");
} else if (node.is_text()) {
printf("\"%s\"\n", static_cast<Text&>(node).data().characters());
printf("\"%s\"\n", static_cast<const Text&>(node).data().characters());
}
++indent;
if (node.is_parent_node()) {
static_cast<ParentNode&>(node).for_each_child([](Node& child) {
static_cast<const ParentNode&>(node).for_each_child([](auto& child) {
dump_tree(child);
});
}
--indent;
}
void dump_tree(const LayoutNode& node)
{
static int indent = 0;
for (int i = 0; i < indent; ++i)
printf(" ");
printf("%s{%p}", node.class_name(), &node);
if (node.is_text())
printf(" \"%s\"", static_cast<const LayoutText&>(node).node().data().characters());
printf("\n");
++indent;
node.for_each_child([](auto& child) {
dump_tree(child);
});
--indent;
}