63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#include <cstring>
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#include <stdexcept>
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#include "escape.h"
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#include "serializer.h"
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static inline bool is_autoclosing_tag(const char* tag);
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namespace blankie {
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namespace html {
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std::string Element::serialize() const {
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std::string out;
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out += '<';
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out += this->tag;
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for (const auto &[key, value] : this->attributes) {
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out += ' ';
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out += key;
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if (!value.empty()) {
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out += "=\"";
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out += escape(value);
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out += '"';
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}
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}
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out += '>';
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if (is_autoclosing_tag(this->tag)) {
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return out;
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}
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for (const Node& node : this->nodes) {
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if (const Element* element = std::get_if<Element>(&node)) {
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out += element->serialize();
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} else if (const char* const* text = std::get_if<const char*>(&node)) {
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out += escape(*text);
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} else if (const std::string* str = std::get_if<std::string>(&node)) {
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out += escape(*str);
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} else if (const HTMLString* html_str = std::get_if<HTMLString>(&node)) {
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out += html_str->str;
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} else {
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throw std::runtime_error("Encountered unknown node");
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}
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}
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out += "</";
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out += this->tag;
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out += '>';
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return out;
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}
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} // namespace html
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} // namespace blankie
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static inline bool is_autoclosing_tag(const char* tag) {
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return !strncmp(tag, "link", 5)
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|| !strncmp(tag, "meta", 5)
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|| !strncmp(tag, "img", 4)
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|| !strncmp(tag, "br", 3)
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|| !strncmp(tag, "input", 6);
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}
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