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* separate params with ; (semicolon) instead of , (colon)
* reduce screaming snake case use
* wrap long lines
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until now, this had very strange (and inconsistent) semantics:
* err() was used for exception propagation, but also as a null value
* Option accepted undefined as a none value, but not null
* Opt and Option were used interchangeably (and mostly randomly)
Now, Result is always used for error reporting, and err(nil) means
JS_EXCEPTION. (Opt is a special case of Result where we don't care about
the error type, and is not used in JS.)
Option on the other hand means "nullable variation of normally
non-nullable type", and translates to JS_NULL. In JS we mainly use
it for turning strings nullable.
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So long as we have to live with siteconf, let's at least make it useful.
Also, rewrite the header overriding logic because while it did work,
it only did so accidentally.
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* Parse the default config at runtime. There's no significant
performance difference, but this makes it much less painful to write
config code.
* Add better error reporting
* Make fromJS2 easier to use
* Unquote ChaPaths while parsing config
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Originally we had several loader processes so that the loader did not
need asynchronity for loading several buffers at once. Since then, the
scope of what loader does has been reduced significantly, and with
that loader has become mostly asynchronous.
This patch finishes the above work as follows:
* We only fork a single loader process for the browser. It is a waste of
resources to do otherwise, and would have made future work on a
download manager very difficult.
* loader becomes (almost) fully async. Now the only sync part is a)
processing commands and b) waiting for clients to consume responses.
b) is a bit more problematic than a), but should not cause problems
unless some other horrible bug exists in a client. (TODO: make it
fully async.)
This gives us a noticable improvement in CSS loading speed, since all
resources can now be queried at once (even before the previous ones
are connected).
* Buffers now only get processes when the *connection* is finished. So
headers, status code, etc. are handled by the client, and the buffer
is forked when the loader starts streaming the response body.
As a result, mailcap entries can simply dup2 the first UNIX domain
socket connection as their stdin. This allows us to remove the ugly
(and slow) `canredir' hack, which required us to send file handles on
a tour accross the entire codebase.
* The "cache" has been reworked somewhat:
- Since canredir is gone, buffer-level requests usually start
in a suspended state, and are explicitly resumed only after
the client could decide whether it wants to cache the response.
- Instead of a flag on Request and the URL as the cache key,
we now use a global counter and the special `cache:' scheme.
* misc fixes: referer_from is now actually respected by buffers (not
just the pager), load info display should work slightly better, etc.
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Cache mailcap entry output too, then delete it when the buffer can no
longer read from it.
(Maybe it would be useful to instead preserve it and allow viewSource
for HTML output too? Hmm.)
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* disallow Stream interface usage on non-blocking PosixStreams
* do not read estream of forkserver byte-by-byte (it's slow)
* do not call writeData with a zero len in formdata
* do not quote numbers in mailcap quoteFile
* remove some unused stuff
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At last all BufferSources are unified.
To achieve the same effect as the previous CLONE source type, we now
use the "fromcache" flag in Request. This *forces* the document to be
streamed from the disk; if the file no longer exists for some reason,
an error is returned (i.e. the document is not re-downloaded).
For a document to be cached, it has to be the main document of the
buffer (i.e. no additional resources requested with fetch()), and
also not an x-htmloutput HTML file (for those, the original source is
saved). The result is that toggleSource now always returns the actual
source for e.g. markdown files, not the HTML-transformed version.
Also, it is now possible to view the source of a document that is
still being downloaded.
buffer.sstream has almost been eliminated; it still exists, but only as
a pseudo-buffer to interface with EncoderStream and DecoderStream. It no
longer holds the entire source of a buffer at any point, and is cleared
as soon as the buffer is completely loaded.
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My eyes are bleeding, but at least there is a chance that this does what
I wanted.
The previous tee implementation mixed buffer and loader fds, so it was
fundamentally broken. Also, it used MultiStream which makes asynchronous
streaming impossible.
This time we use a flat array of output handles and link to them any
buffers not written to the target yet.
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They only had type definitions, no need to put them in separate modules.
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This breaks string conversions.
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much better
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(still no module support in buffer...)
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* ips -> io/
* loader related stuff -> loader/
* tempfile -> extern/
* buffer, forkserver -> server/
* lineedit, window -> display/
* cell -> types/
* opt -> types/
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