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2896 commits

Author SHA1 Message Date
FalseHonesty
391237a8e1 Browser: Add JS Console
The JavaScript console can be opened with Control+I, or using
the menu option. The console is currently a text box with JS
syntax highlighting which will send commands to the document's
interpreter. All output is printed to an HTML view in the console.
The output is an HtmlView to easily allow complex output, such
as expandable views for JS Objects in the long run.
2020-05-24 02:20:08 +02:00
FalseHonesty
5e45d68442 LibGUI: Use word breaks to intelligently navigate a TextEditor
Previously, holding Control while using the left/right arrow keys
to navigate through a TextEditor would only be helpful if the document
had spans. Now, if there are no spans, it will navigate to the
next "word break", defined to be the threshold where text changes
from alphanumeric to non-alphanumeric, or vice versa.
2020-05-24 02:15:21 +02:00
FalseHonesty
a3bf8c72f3 LibGUI: Add word break locator methods to TextDocument
TextDocument now has utilities to locate a word break both before
and after any TextPosition.
2020-05-24 02:15:21 +02:00
Andreas Kling
e44c87cfff LibWeb: Implement enough HTML parsing to handle a small simple DOM :^)
We can now parse a little DOM like this:

<!DOCTYPE html>
<html>
    <head></head>
    <body>
        <div></div>
    </body>
</html>

This is pretty slow work, but the incremental progress is satisfying!
2020-05-24 00:49:22 +02:00
Andreas Kling
fd1b31d0ff LibWeb: Start building the tree building part of the new HTML parser
This patch adds a new HTMLDocumentParser class. It keeps a tokenizer
object internally and feeds itself with one token at a time from it.

The names and idioms in this class are expressed as closely to the
actual HTML parsing spec as possible, to make development as easy
and bug free as possible. :^)

This is going to become pretty large, but it's pretty cool!
2020-05-24 00:14:23 +02:00
Andreas Kling
0b61e21873 LibWeb: Add HTMLFormElement to forwarding header 2020-05-24 00:12:27 +02:00
Andreas Kling
a9fba2fb91 LibWeb: Add "name" to DocumentType nodes 2020-05-24 00:12:00 +02:00
Andreas Kling
634ce37663 LibWeb: Make hit-testing work with display: inline-block;
When hit testing encountered a block with inline children, we assumed
that the inline children are nothing but text boxes. An inline-block
box is actually a block child of a block with inline children, so we
have to handle that scenario as well. :^)

Fixes #2353.
2020-05-23 21:08:25 +02:00
Andreas Kling
a01fd7ecc5 LibWeb: Colorize tag names in layout tree dumps + show element IDs
Showing element IDs in layout tree dumps makes it much easier to
compare against the DOM.
2020-05-23 21:08:25 +02:00
Andreas Kling
e45c8b842c LibWeb: Implement a bit more of DOCTYPE tokenization 2020-05-23 21:08:25 +02:00
Andreas Kling
7be36366be LibWeb: Emit character/comment tokens lazily to accumulate more data
Instead of emitting data-bearing tokens immediately, do it lazily at
the next state change. This allows us to accumulate full bursts of
text in between tags instead of having one token per character. :^)
2020-05-23 18:44:32 +02:00
Marcin Gasperowicz
f4985ca113 LibJS: Use __APPLE__ instead of __MACH__ for MacOS build
This is regarding PR #234. Sergey pointed out that not every Mach is Darwin.
2020-05-23 18:09:07 +02:00
AnotherTest
679a84d44c LibLine: Default to resetting styles when a cell has no styles set 2020-05-23 17:05:18 +02:00
Andreas Kling
01a085d3a6 LibC: Move ssize_t from <stddef.h> to <sys/types.h>
This should fix the toolchain build, where GCC doesn't use our stddef.h
Also, Dr. POSIX says ssize_t goes in <sys/types.h> anyway. :^)
2020-05-23 17:03:41 +02:00
Marcin Gasperowicz
27c71d2627
LibJS: Add Array.prototype.reduce() (#2334)
This patch adds `Array.prototype.reduce()` method to LibJS Runtime.
The implementation is (to my best knowledge) comformant to ECMA262.

The test `Array.prototype-generic-functions.js` demonstrates that the
function can be applied to other objects besides `Array`.
2020-05-23 16:41:25 +02:00
Linus Groh
00fe7f82c0 LibJS: Treat NaN in Value::to_i32() as zero
Let's treat it as zero like the ECMAScript spec does in toInteger().

That way we can use to_i32() and don't have to care about weird input
input values where a number is expected, i.e.

"foo".charAt() === "f"
"foo".charAt("bar") === "f"
"foo".charAt(0) === "f"
2020-05-23 16:39:17 +02:00
Marcin Gasperowicz
c21dc21f36
Build: Make Lagom build under macOS (#2341)
Lagom now builds under macOS. Only two minor adjustments were required:

* LibCore TCP/UDP code can't use `SOCK_{NONBLOCK,CLOEXEC}` on macOS,
use ioctl() and fcntl() instead

* LibJS `Heap` code pthread usage ported to MacOS
2020-05-23 15:31:30 +02:00
Andreas Kling
dd924b730a Kernel+LibC: Fix various build issues introduced by ssize_t
Now that ssize_t is derived from size_t, we have to
2020-05-23 15:27:33 +02:00
Andreas Kling
1afbd8936a Kernel+LibC: Let's say that off_t is a ssize_t 2020-05-23 15:25:43 +02:00
Andreas Kling
45450c7edc LibWeb: Make BEGIN_STATE and END_STATE include some {{{ and }}}
This makes it a compile error to omit the END_STATE. Also add some more
missing END_STATE's exposed by this (nice!)

Thanks to @predmond for suggesting the multi-pair trick! :^)
2020-05-23 15:25:43 +02:00
Andreas Kling
a0d3c03950 LibC: Declare ssize_t in a platform-agnostic way
While the compiler provides __SIZE_TYPE__ for declaring size_t,
there's unfortunately no __SSIZE_TYPE__ for ssize_t.

However, we can trick the preprocessor into doing what we want anyway
by doing "#define unsigned signed" before using __SIZE_TYPE__ again.
2020-05-23 15:25:43 +02:00
FalseHonesty
e5c2e53739 LibWeb: Fix HtmlView not scrolling to a url's anchor on page load
Previously, when HtmlView loaded a url, the url's fragment was ignored,
but now it will be automatically scrolled to.
2020-05-23 11:53:25 +02:00
Andreas Kling
2e4147d0fc LibWeb: Add missing END_STATE for TagName
Fixes #2339.
2020-05-23 10:33:23 +02:00
Andreas Kling
a58500fdc5 LibWeb: Teach HTMLTokenizer how to tokenize comments
We can now correctly tokenize the welcome.html test page. :^)
2020-05-23 01:54:26 +02:00
AnotherTest
909ac2a558 LibLine: Make the comments follow the project style 2020-05-23 01:31:41 +02:00
AnotherTest
3c3edf5831 LibLine: Properly paginate suggestions in XtermSuggestionDisplay
This commit adds back suggestion pagination, and makes it 10x better.
Also adds a "< page m of n >" indicator at the bottom if there are more
suggestions than would fit in a page.
It properly handles cycling forwards and backwards :^)
2020-05-23 01:31:41 +02:00
AnotherTest
2427f3b38b LibLine: Add a constructor for CompletionSuggestions purely for comparison
`CompletionSuggestion(text, ForSearch)` creates a suggestion whose only
purpose is to be compared against.
This constructor skips initialising the views.
2020-05-23 01:31:41 +02:00
AnotherTest
f0862cf2b7 LibLine: Refactor suggestion handling and display logic out 2020-05-23 01:31:41 +02:00
AnotherTest
65adf2aea2 LibLine: Correctly handle multibyte codepoints in suggestions 2020-05-23 01:31:41 +02:00
AnotherTest
e2886aabcd LibLine: Make suggest() utf8-aware 2020-05-23 01:31:41 +02:00
FalseHonesty
e0312ec2ce LibGUI: Improve double click selection on documents without spans
Previously, double clicking would select the range around your click up
until it found a space, and in the browser's location bar this behavior
didn't suffice. Now, it will select the range around your click until
there is a "word break". A word break is considered to be when your
selection changes from being alphanumeric to being non alphanumeric, or
vice versa.
2020-05-23 01:30:20 +02:00
Andreas Kling
6caa5661f3 LibWeb: Teach HTMLTokenizer how to tokenize attributes
Properly tokenize single-quoted, double-quoted and unquoted attributes!
2020-05-23 01:22:15 +02:00
Linus Groh
daf74838dd LibJS: Add missing exception check to ArrayPrototype's for_each_item()
Object::get_by_index() cannot throw for positive indices *right now*,
but once we implement descriptors for array index properties, it can.
2020-05-23 00:38:00 +02:00
Linus Groh
843e000f18 LibJS: Fix Array.prototype.lastIndexOf() implementation 2020-05-23 00:02:13 +02:00
Linus Groh
6a4280e6e5 LibJS: Treat missing arg in Array.prototype.{indexOf,lastIndexOf}() as undefined 2020-05-23 00:02:13 +02:00
Linus Groh
75f587d3df LibC: Add (empty) netinet/tcp.h back
This file is required for building the git port.

It was already added before and then removed again when the CI script
for license header checks was added as it seemed irrelevant.
2020-05-22 23:46:24 +02:00
Andreas Kling
004ef9a86b LibWeb: Minor tweaks to HTMLToken declaration 2020-05-22 23:45:02 +02:00
Andreas Kling
272b35d2e1 LibWeb: Begin work on a spec-compliant HTML parser
In order to actually view the web as it is, we're gonna need a proper
HTML parser. So let's build one!

This patch introduces the Web::HTMLTokenizer class, which currently
operates on a StringView input stream where it fetches (ASCII only atm)
codepoints and tokenizes acccording to the HTML spec tokenization algo.

The tokenizer state machine looks a bit weird but is written in a way
that tries to mimic the spec as closely as possible, in order to make
development easier and bugs less likely.

This initial version is far from finished, but it can parse a trivial
document with a DOCTYPE and open/close tags. :^)
2020-05-22 21:46:13 +02:00
Andreas Kling
120cd44011 LibWeb: Move Attribute to its own header file
This will allow us to use it without including Element.h
2020-05-22 21:45:00 +02:00
Sergey Bugaev
f03e452085 LibC: Sync file position when dropping read ahead buffer
When we flush a FILE, we behave differently depending on whether we reading from
the file or writing to it:

* If we're writing, we actually write out the buffered data.
* If we're reading, we just drop the buffered (read ahead) data.

After flushing, there should be no additional buffered state stdio keeps about a
FILE, compared to what is true about the underlying file. This includes file
position (offset). When flushing writes, this is taken care of automatically,
but dropping the buffer is not enough to achieve that when reading. This commit
fixes that by seeking back explicitly in that case.

One way the problem manifested itself was upon fseek(SEEK_CUR) calls, as the
position of the underlying file was oftentimes different to the logical position
of the FILE. Since FILE::seek() already calls FILE::flush() prior to actually
modifying the position, fixing FILE::flush() to sync the positions is enough to
fix that issue.
2020-05-22 18:58:36 +02:00
FalseHonesty
28f74df2e6 LibGUI: Add hook when a context menu is requested on a button 2020-05-22 18:23:02 +02:00
Linus Groh
040c75a3cc LibJS: Make Array.prototype.{join,toString}() generic 2020-05-22 17:43:44 +02:00
Linus Groh
e9ee06b19e LibJS: Make Array.prototype.pop() generic 2020-05-22 17:43:44 +02:00
Linus Groh
4334a1b208 LibJS: Make Array.prototype.push() generic 2020-05-22 17:43:44 +02:00
Linus Groh
9f7a6e116a LibJS: Let Array.prototype.join() ignore additional arguments
I.e.

array.join("x", "y", "z") === array.join("x")

rather than

array.join("x", "y", "z") === array.join()
2020-05-22 17:43:44 +02:00
Matthew Olsson
c35732c011 LibJS: Add object literal getter/setter shorthand
Adds support for the following syntax:

let foo = {
    get x() {
        // ...
    },
    set x(value) {
        // ...
    }
}
2020-05-22 10:59:05 +02:00
Linus Groh
27913154ea LibJS: Disallow multiple parameters in paren-less arrow function
Fixes #2323.
2020-05-22 00:50:57 +02:00
Matthew Olsson
45dfa094e9 LibJS: Add getter/setter support
This patch adds a GetterSetterPair object. Values can now store pointers
to objects of this type. These objects are created when using
Object.defineProperty and providing an accessor descriptor.
2020-05-21 22:56:18 +02:00
Linus Groh
a4d04cc748 LibJS: Refactor Array.prototype callback functions and make them generic 2020-05-21 22:50:14 +02:00
Linus Groh
5db9becc4a LibJS: Treat missing arg in Array.prototype.includes() as undefined 2020-05-21 22:50:14 +02:00