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LibWeb: Plumb content encoding into the new HTML parser

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We still don't handle non-ASCII input correctly, but at least now we'll
convert e.g ISO-8859-1 to UTF-8 before starting to tokenize.
This patch also makes "view source" work with the new parser. :^)
This commit is contained in:
Andreas Kling 2020-05-28 12:35:19 +02:00
parent 772b51038e
commit 5e53c45113
6 changed files with 18 additions and 9 deletions
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7
Libraries/LibWeb/Parser/HTMLDocumentParser.cpp
View file

@ -24,7 +24,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#define PARSER_DEBUG
//#define PARSER_DEBUG
#include <AK/Utf32View.h>
#include <LibWeb/DOM/Comment.h>
@ -51,8 +51,8 @@
namespace Web {
HTMLDocumentParser::HTMLDocumentParser(const StringView& input)
: m_tokenizer(input)
HTMLDocumentParser::HTMLDocumentParser(const StringView& input, const String& encoding)
: m_tokenizer(input, encoding)
{
}
@ -64,6 +64,7 @@ void HTMLDocumentParser::run(const URL& url)
{
m_document = adopt(*new Document);
m_document->set_url(url);
m_document->set_source(m_tokenizer.source());
for (;;) {
auto optional_token = m_tokenizer.next_token();

2
Libraries/LibWeb/Parser/HTMLDocumentParser.h
View file

@ -61,7 +61,7 @@ namespace Web {
class HTMLDocumentParser {
public:
explicit HTMLDocumentParser(const StringView& input);
HTMLDocumentParser(const StringView& input, const String& encoding);
~HTMLDocumentParser();
void run(const URL&);

8
Libraries/LibWeb/Parser/HTMLTokenizer.cpp
View file

@ -24,6 +24,7 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibTextCodec/Decoder.h>
#include <LibWeb/Parser/Entities.h>
#include <LibWeb/Parser/HTMLToken.h>
#include <LibWeb/Parser/HTMLTokenizer.h>
@ -1711,9 +1712,12 @@ void HTMLTokenizer::create_new_token(HTMLToken::Type type)
m_current_token.m_type = type;
}
HTMLTokenizer::HTMLTokenizer(const StringView& input)
: m_input(input)
HTMLTokenizer::HTMLTokenizer(const StringView& input, const String& encoding)
{
auto* decoder = TextCodec::decoder_for(encoding);
ASSERT(decoder);
m_decoded_input = decoder->to_utf8(input);
m_input = m_decoded_input;
}
void HTMLTokenizer::will_switch_to([[maybe_unused]] State new_state)

6
Libraries/LibWeb/Parser/HTMLTokenizer.h
View file

@ -118,7 +118,7 @@ namespace Web {
class HTMLTokenizer {
public:
explicit HTMLTokenizer(const StringView& input);
explicit HTMLTokenizer(const StringView& input, const String& encoding);
enum class State {
#define __ENUMERATE_TOKENIZER_STATE(state) state,
@ -133,6 +133,8 @@ public:
void set_blocked(bool b) { m_blocked = b; }
bool is_blocked() const { return m_blocked; }
String source() const { return m_decoded_input; }
private:
Optional<u32> next_codepoint();
Optional<u32> peek_codepoint(size_t offset) const;
@ -163,6 +165,8 @@ private:
Vector<u32> m_temporary_buffer;
String m_decoded_input;
StringView m_input;
size_t m_cursor { 0 };