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522 Commits

Author SHA1 Message Date
Nick Wellnhofer
e179f3ec0e html: Stop reporting syntax errors 
It doesn't make much sense to keep the old syntax error handling which
doesn't conform to HTML5.

Handling HTML5 parser errors is rather involved and not essential for
parsers.
 2024-10-06 20:04:00 +02:00
Nick Wellnhofer
27752f75ca html: Fix EOF handling in start tags 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
b19d353970 html: Fix EOF handling in comments 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
17e56ac54a html: Fix parsing of end tags 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
24a09033c9 html: Fix bogus end tags 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
bca6485476 html: Allow U+000C FORM FEED as whitespace 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
6edf1a645e html: Fix DOCTYPE parsing 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
9678163f54 html: Don't check for valid XML characters 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
a6955c13c7 html: Parse numeric character references according to HTML5 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
4eeac30944 html: Start to fix EOF and U+0000 handling 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
e062a4a9b3 html: Add HTML5 parser option 
This option passes tokenizer output directly to the SAX callbacks,
making it possible to test the tokenizer against the html5lib test
suite.

This will produce unbalanced calls to the startElement and endElement
callbacks, but it's the only way to support a SAX like interface for
HTML5. It can be used for filtering or rewriting HTML5, for example.

A HTML5 tree builder could then be implemented on top of the SAX
callbacks.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
17da54c522 html: Normalize newlines 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
341dc78f24 html: Deduplicate code in htmlCurrentChar 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
3adb396d87 html: Parse bogus comments instead of ignoring them 
Also treat XML processing instructions as bogus comments.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
8444017578 html: Add missing calls to htmlCheckParagraph() 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
86d6b9b051 html: Deduplicate some code 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
0d324bde36 html: Simplify node info accounting 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
ccb61f599e html: Remove duplicate calls to htmlAutoClose 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
f9ed30e972 html: HTML5 character data states 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
5951179239 html: Parse named character references according to HTML5 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
d5cd0f07f8 html: Prefer SKIP(1) over NEXT in HTML parser 
Use SKIP(1) where it's safe to avoid a function call.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
dc2d498318 html: Rework htmlLookupSequence 
Rename to htmlLookupString and use strstr for increased performance.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
637215a4de html: Always terminate doctype declarations on '>' 
Align with HTML5 spec. This allows to remove the old quote handling in
htmlLookupSequence.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
72e29f9a3d html: Fix quadratic behavior in push parser 
Fix quadratic behavior related to unquoted attribute values. We really
have to replicate parts of the HTML5 state machine to find the end of
tags relibably.

Fixes #533.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
a80f8b64a9 html: Allow attributes in end tags 
Attribute are syntactically allowed in HTML5 end tags but otherwise
ignored.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
f2272c231b html: Handle unexpected-solidus-in-tag according to HTML5 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
939b53ee12 html: Stop skipping tag content 
Tag and attributes names should always be parsed succesfully now.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
dcb2abb2fe html: Parse tag and attribute names according to HTML5 
HTML5 allows bascially all characters in tag and attribute names.
 2024-10-06 18:13:05 +02:00
Nick Wellnhofer
5d36664fc9 memory: Deprecate xmlGcMemSetup 2024-07-16 17:42:10 +02:00
Nick Wellnhofer
8af55c8d20 parser: Rename new input API functions 
These weren't made public yet.
 2024-07-11 01:33:29 +02:00
Nick Wellnhofer
d74ca59491 parser: Rename internal xmlNewInput functions 2024-07-11 01:31:50 +02:00
Nick Wellnhofer
4f329dc524 parser: Implement xmlCtxtParseContent 
This implements xmlCtxtParseContent, a better alternative to
xmlParseInNodeContext or xmlParseBalancedChunkMemory. It accepts a
parser context and a parser input, making it a lot more versatile.

xmlParseInNodeContext is now implemented in terms of
xmlCtxtParseContent. This makes sure that xmlParseInNodeContext never
modifies the target document, improving thread safety.
xmlParseInNodeContext is also more lenient now with regard to undeclared
entities.

Fixes #727.
 2024-07-11 01:26:32 +02:00
Nick Wellnhofer
2e63656ec6 parser: Check return value of inputPush 
inputPush typically doesn't fail because we pre-allocate the input
table. The return value should be checked nevertheless.
 2024-07-08 11:27:52 +02:00
Nick Wellnhofer
fdfeecfe5e parser: Reenable ctxt->directory 
Unused internally, but used in downstream code.

Should fix #753.
 2024-07-02 22:06:53 +02:00
Nick Wellnhofer
30ef77554b parser: Don't use deprecated xmlCopyChar 2024-07-02 13:34:11 +02:00
Nick Wellnhofer
dd8e378513 HTML: Rework UTF8ToHtml 
Optimize code. Check for XML_ENC_ERR_SPACE. Use error macros.
 2024-07-01 18:05:40 +02:00
Nick Wellnhofer
f505dcaea0 tree: Remove underscores from xmlRegisterCallbacks 2024-06-27 14:45:35 +02:00
Nick Wellnhofer
1112699cfa legacy: Remove most legacy functions from public headers 
Also remove warning messages.
 2024-06-17 15:47:42 +02:00
Nick Wellnhofer
039ce1e821 parser: Pass global object to sax->setDocumentLocator 
Revert part of commit c011e760.

Fixes #732.
 2024-06-14 16:41:43 +02:00
Nick Wellnhofer
89fcae4dfd parser: Don't report malloc failures when creating context 
We don't want messages to stderr before an error handler could be set on
a parser context.
 2024-06-12 16:36:12 +02:00
Nick Wellnhofer
e75e878e02 doc: Update and fix documentation 2024-05-20 14:23:39 +02:00
Nick Wellnhofer
a4c2b7233f io: Don't set close callback in xmlParserInputBufferCreateFd 2024-05-05 17:27:12 +02:00
Nick Wellnhofer
05654cfe00 html: Deprecate htmlHandleOmittedElem 2024-04-28 18:58:27 +02:00
Nick Wellnhofer
aa04838eab html: Use binary search in htmlEntityValueLookup 2024-03-26 14:21:11 +01:00
Nick Wellnhofer
3efbe916a1 parser: Mark 'token' member as unused in xmlParserCtxt 2024-01-05 20:39:40 +01:00
Nick Wellnhofer
b82fd81d06 parser: Rework xmlCtxtParseDocument 
Make xmlCtxtParseDocument take a parser input which can be popped after
parsing.
 2024-01-05 20:39:40 +01:00
Nick Wellnhofer
7e0bbbc143 parser: New input API 
Provide a new set of functions to create xmlParserInputs. These can be
used for the document entity or from external entity loaders.

- Don't require xmlParserInputBuffer.
- All functions take a base URI.
- All functions take an encoding as string.
- xmlNewInputURL also takes a public ID.
- xmlNewInputMemory takes a size_t.
- Optimization hints for memory buffers.

Improve documentation.

Only call xmlInitParser before allocating a new parser context.

Call xmlCtxtUseOptions as early as possible.
 2023-12-29 01:22:13 +01:00
Nick Wellnhofer
6a9a88a17f parser: Move progressive flag into input struct 2023-12-29 01:20:08 +01:00
Nick Wellnhofer
d944a41515 parser: Fix in-parameter-entity and in-external-dtd checks 
Use in ctxt->input->entity instead of ctxt->inputNr to determine whether
we are inside a parameter entity.

Stop using ctxt->external to check whether we're in an external DTD.
This is signaled by ctxt->inSubset == 2.
 2023-12-29 01:19:56 +01:00
Nick Wellnhofer
477a7ed82c html: Abort earlier on fatal errors 2023-12-28 19:43:48 +01:00