* After installing Parsoid (sudo npm install -g in modules/parser), run 'node
server.js' from the api directory and navigate to http://localhost:8000/ and
follow the directions. You can start to navigate the English wikipedia at
http://localhost:8000/Main_Page, or manually enter wikitext or HTML DOM to
convert.
* Uses the express framework, could also use just connect
* Uses the cluster module to manage workers per-core and restart those on
failure
Change-Id: I443f2996ed3df00826b038b7476a2f966ab0c425
* Changed RDFa for links according to
http://www.mediawiki.org/wiki/Parsoid/RDFa_vocabulary
* Added basic support for internal/external link serialization
* Moved numbering of external links from tokenizer to LinkHandler
* Added round-tripping for generic HTML tags
* Replaced nowiki tag with <meta typeOf="mw:tag" content="nowiki"> and <meta
typeOf="mw:tag" content="/nowiki"> for now.
* 154 round-trip tests passing (node parserTests.js --roundtrip).
Change-Id: I16c4db21b1b543ee57c73e569c83025b64664542
* added stx: 'html' round-trip information for html tags
* added t_stx: 'row' info for row-wise table wiki syntax, and support for it
in the serializer
* the first table row is implicit in wikitext
* renamed lastToken to prevToken in serializer
* strip first newline in an initial chunkCB
Change-Id: I014b046539d1b674d830551c5fd1b74a67f81993
Lists are a bit tricky, as nested lists are not wrapped in a separate list
item. Should work now though.
Change-Id: I2e5f29f6afa6bdd2d5e5c0c5d019b70c611b73d1
This fix only affects following transforms, of which there are few right now.
Also removed a stray token mutation in QuoteTransformer.
Change-Id: Id6d4adce944b06fc1a3651cfbf63fc2670125225
* Tokens are now immutable. The progress of transformations is tracked on
chunks instead of tokens. Tokenizer output is cached and can be directly
returned without a need for cloning. Transforms are required to clone or
newly create tokens they are modifying.
* Expansions per chunk are now shared between equivalent frames via a cache
stored on the chunk itself. Equivalence of frames is not yet ideal though,
as right now a hash tree of *unexpanded* arguments is used. This should be
switched to a hash of the fully expanded local parameters instead.
* There is now a vastly improved maybeSyncReturn wrapper for async transforms
that either forwards processing to the iterative transformTokens if the
current transform is still ongoing, or manages a recursive transformation if
needed.
* Parameters for parser functions are now wrapped in abstract Params and
ParserValue objects, which support some handy on-demand *value* expansions.
Keys are always expanded. Parser functions are converted to use these
interfaces, and now properly expand their values in the correct frame.
Making this expansion lazier is certainly possible, but would complicate
transformTokens and other token-handling machinery. Need to investigate if
it would really be worth it. Dead branch elimination is certainly a bigger
win overall.
* Complex recursive asynchronous expansions should now be closer to correct
for both the iterative (transformTokens) and recursive (maybeSyncReturn
after transformTokens has returned) code paths.
* Performance degraded slightly. There are no micro-optimizations done yet
and the shared expansion cache still has a low hit rate. The progress
tracking on chunks is not yet perfect, so there are likely a lot of unneeded
re-expansions that can be easily eliminated. There is also more debug
tracing right now. Obama currently expands in 54 seconds on my laptop.
Change-Id: I4a603f3d3c70ca657ebda9fbb8570269f943d6b6
Trying something trivial like echo 'Hello world' | node parse.js
would throw TypeError: Function.prototype.apply: Arguments list has wrong type
Change-Id: Ia0a1154b0f3edbfb1f228a1d2072fced1b147141
* Setting the rank on tokens is still used currently, but will be phased out
in favor of setting it on chunks. Tokens will be immutable to allow sharing
and caching without a need for cloning.
* Only register for newline and end tokens in QuoteTransformer when active.
Change-Id: I2c45bc7e4a105219a1404ab221eed7f242128f1e
This makes it possible to transclude list items from a template.
Note: "5 quotes" test is broken by this patch, it appears that ListHandler
newline processing is changing some state which mysteriously affects the
QuoteTransformer. This is ominous, hopefully there's a simple explanation...
gwicke: fix a bug in tokenizer triggered by definition lists like this:
**; foo : bar
Change-Id: I4e3a86596fe9bffcbfc4bf22895362c3bf742bad
* parentCB (if set) is called with { async: true } if expansion is going to be
asynchronous.
* Strings are handled efficiently
* all value parameter chunks can now be converted using .to().
Change-Id: Ib013e1bc3d8e7f692009038209db6a056887326e
* [[:en:Barack Obama]] can now be expanded in 77 seconds using 330MB RAM,
while it would prevously run out of RAM after ~30 minutes. Wohoooo!
The token transform framework rework really paid off.
* 303 parser tests are passing in the new record time of 5.5 seconds. Two more
tests are passing since these tests expect the day of the week to be
Thursday. Won't be the case tomorrow.
Change-Id: I56e850838476b546df10c6a239c8c9e29a1a3136
* All parser pipelines including tokenizer and DOM stuff are now constructed
from a 'recipe' data structure in a ParserPipelineFactory.
* All sub-pipelines of these can now be cached
* Event registrations to a pipeline are directly forwarded to the last
pipeline member to save relatively expensive event forwarding.
* Some APIs for on-demand expansion / format conversion of parameters from
parser functions are added:
param.to('tokens/expanded', cb)
param.to('text/wiki', cb) (this does not work yet)
All parameters are additionally wrapped into a Param object that provides
method for positional parameter naming (.named() or conversion to a dict
(.dict()).
* The async token transform manager is now separated from a frame object, with
the frame holding arguments, an on-demand expansion method and loop checks.
* Only keys of template parameters are now expanded. Parser functions or
template arguments trigger an expansion on-demand. This (unsurprisingly)
makes a big performance difference with typical switch-heavy template
systems.
* Return values from async transforms are no longer used in favor of plain
callbacks. This saves the complication of having to maintain two code paths.
A trick in transformTokens still avoids the construction of unneeded
TokenAccumulators.
* The results of template expansions are no longer buffered.
* 301 parser tests are passing
Known issues:
* Cosmetic cleanup remains to do
* Some parser functions do not support async expansions yet, and need to be
modified.
Change-Id: I1a7690baffbe8141cadf67270904a1b2e1df879a
