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path: root/src/Text/Pandoc/Readers/HTML.hs
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2021-03-18Rewrite a foldl1 as a foldl'.John MacFarlane1-1/+5
2021-02-20HTML reader: small performance tweak.John MacFarlane1-9/+5
2021-02-20HTML reader: small efficiency improvements.John MacFarlane1-25/+18
Also, remove exported class NamedTag(..) [API change]. This was just intended to smooth over the transition from String to Text and is no longer needed. The functions isInlineTag and isBlockTag are no longer polymorphic.
2021-02-20HTML reader: efficiency improvements.John MacFarlane1-81/+129
Do a lookahead to find the right parser to use. Benchmarks from 34ms to 23ms, with less allocation. Also speeds up the epub reader.
2021-02-13HTML reader: fix bad handling of empty src attribute in iframe.John MacFarlane1-6/+12
- If src is empty, we simply skip the iframe. - If src is invalid or cannot be fetched, we issue a warning and skip instead of failing with an error. - Closes #7099.
2021-01-08Update copyright notices for 2021 (#7012)Albert Krewinkel1-1/+1
2020-12-28HTML reader: use renderTags' from Text.Pandoc.Shared.Albert Krewinkel1-25/+3
The `renderTags'` function was duplicated when the reader used `Text` as its string type. The duplication is no longer necessary. A side effect of this change is that empty `<col>` elements are written as self-closing tags in raw HTML blocks.
2020-12-10HTML reader: pay attention to lang attributes on body.John MacFarlane1-3/+6
These (as well as lang attributes on html) should update lang in metadata. See #6938.
2020-12-10HTML reader: retain attribute prefixes and avoid duplicates.John MacFarlane1-17/+11
Previously we stripped attribute prefixes, reading `xml:lang` as `lang` for example. This resulted in two duplicate `lang` attributes when `xml:lang` and `lang` were both used. This commit causes the prefixes to be retained, and also avoids invald duplicate attributes. Closes #6938.
2020-11-26HTML reader: improve support for table headers, footer, attributesAlbert Krewinkel1-36/+4
- `<tfoot>` elements are no longer added to the table body but used as table footer. - Separate `<tbody>` elements are no longer combined into one. - Attributes on `<thead>`, `<tbody>`, `<th>`/`<td>`, and `<tfoot>` elements are preserved.
2020-11-26HTML reader: allow finer grained options for tag omissionAlbert Krewinkel1-1/+1
2020-11-25HTML reader: simplify list attribute handlingAlbert Krewinkel1-18/+9
This removes the `foldOrElse` function from the internal Text.Pandoc.CSS module.
2020-11-24HTML reader: support row or column-spanning table cellsAlbert Krewinkel1-12/+8
2020-11-24HTML reader: support blocks in captionAlbert Krewinkel1-1/+1
2020-11-24HTML reader: extract table parsing into separate moduleAlbert Krewinkel1-95/+3
2020-11-23HTML reader: extract submodulesAlbert Krewinkel1-239/+11
Reducing module size should reduce memory use during compilation. This is preparatory work to tackle support for more table features.
2020-10-23HTML reader: Parse contents of iframes.John MacFarlane1-4/+17
See #6770.
2020-10-23HTML reader: parse inline svg as image...John MacFarlane1-0/+17
...unless `raw_html` is set in the reader (in which case the svg is passed through as raw HTML). Closes #6770.
2020-09-19Change deprecated Builder.isNull to null.John MacFarlane1-2/+2
2020-09-13Fix hlint suggestions, update hlint.yaml (#6680)Christian Despres1-1/+1
* Fix hlint suggestions, update hlint.yaml Most suggestions were redundant brackets. Some required LambdaCase. The .hlint.yaml file had a small typo, and didn't ignore camelCase suggestions in certain modules.
2020-05-20Add "summary" to list of block-level HTML tags.John MacFarlane1-1/+1
Closes #6385. (The summary element needs to be the first child of details and should not be enclosed by p tags.) NOTE: you need to include a blank line before the closing `</details>`, if you want the last part of the content to be parsed as a paragraph.
2020-05-05Avoid unnecessary guard (#6340)Joseph C. Sible1-1/+1
2020-04-28Support new Underline element in readers and writers (#6277)Vaibhav Sagar1-2/+2
Deprecate `underlineSpan` in Shared in favor of `Text.Pandoc.Builder.underline`.
2020-04-18HTML reader: parse attributes into table attributes.John MacFarlane1-14/+18
2020-04-15Use the new builders, modify readers to preserve empty headersdespresc1-1/+7
The Builder.simpleTable now only adds a row to the TableHead when the given header row is not null. This uncovered an inconsistency in the readers: some would unconditionally emit a header filled with empty cells, even if the header was not present. Now every reader has the conditional behaviour. Only the XWiki writer depended on the header row being always present; it now pads its head as necessary.
2020-04-15Adapt to the newest Table type, fix some previous adaptation issuesdespresc1-6/+6
- Writers.Native is now adapted to the new Table type. - Inline captions should now be conditionally wrapped in a Plain, not a Para block. - The toLegacyTable function now lives in Writers.Shared.
2020-04-15Remove the onlySimpleCellBodies function from Shareddespresc1-2/+2
2020-04-15Implement the new Table typedespresc1-8/+8
2020-04-11HTML reader: support <bdo> (#6271)Tristan de Cacqueray1-0/+13
See https://developer.mozilla.org/en-US/docs/Web/HTML/Element/bdo Closes #5794
2020-04-02HTML reader: fix parsing unclosed th elements in a table.John MacFarlane1-0/+1
Closes #6247.
2020-03-22Finer grained imports of Text.Pandoc.Class submodules (#6203)Albert Krewinkel1-1/+1
This should speed-up recompilation after changes in `Text.Pandoc.Class`, as the number of modules affected by a change will be smaller in general. It also offers faster insights into the parts of `T.P.Class` used within a module.
2020-03-15Use implicit Prelude (#6187)Albert Krewinkel1-2/+0
* Use implicit Prelude The previous behavior was introduced as a fix for #4464. It seems that this change alone did not fix the issue, and `stack ghci` and `cabal repl` only work with GHC 8.4.1 or newer, as no custom Prelude is loaded for these versions. Given this, it seems cleaner to revert to the implicit Prelude. * PandocMonad: remove outdated check for base version Only base versions 4.9 and later are supported, the check for `MIN_VERSION_base(4,8,0)` is therefore unnecessary. * Always use custom prelude Previously, the custom prelude was used only with older GHC versions, as a workaround for problems with ghci. The ghci problems are resolved by replacing package `base` with `base-noprelude`, allowing for consistent use of the custom prelude across all GHC versions.
2020-03-13Update copyright year (#6186)Albert Krewinkel1-1/+1
* Update copyright year * Copyright: add notes for Lua and Jira modules
2020-02-13A bit more cleanup (#6141)Joseph C. Sible1-5/+4
* Remove unnecessary fmaps and only do toMilliseconds once * Share the input tuple intead of making a new one * Lift return out of if * Simplify case statements * Lift DottedNum out of the case statements * Use st instead of mbs * Use setState instead of updateState now that we have the whole state around
2020-02-12HTML reader: don't parse `data-id` as `id` attribute.John MacFarlane1-1/+9
And similarly don't parse any `data-X` as `X` when `X` is a valid HTML attribute. Reported in comment on #5415.
2020-02-07Apply linter suggestions. Add fix_spacing to lint target in Makefile.John MacFarlane1-3/+3
2020-02-03Swap suboptimal uses of maybe and fromMaybe (#6111)Joseph C. Sible1-2/+2
Anywhere "maybe" is used with "id" as its second argument, using "fromMaybe" instead will simplify the code. Conversely, anywhere "fromMaybe" is used with the result of "fmap" or "<$>" as its second argument, using "maybe" instead will simplify the code.
2019-12-17HTML reader: Add "nav" to list of block-level tags.John MacFarlane1-1/+2
2019-11-12Switch to new pandoc-types and use Text instead of String [API change].despresc1-119/+112
PR #5884. + Use pandoc-types 1.20 and texmath 0.12. + Text is now used instead of String, with a few exceptions. + In the MediaBag module, some of the types using Strings were switched to use FilePath instead (not Text). + In the Parsing module, new parsers `manyChar`, `many1Char`, `manyTillChar`, `many1TillChar`, `many1Till`, `manyUntil`, `mantyUntilChar` have been added: these are like their unsuffixed counterparts but pack some or all of their output. + `glob` in Text.Pandoc.Class still takes String since it seems to be intended as an interface to Glob, which uses strings. It seems to be used only once in the package, in the EPUB writer, so that is not hard to change.
2019-11-11Change the implementation of `htmlSpanLikeElements` and implement `<dfn>` ↵Florian Beeres1-4/+11
(#5882) * Add HTML Reader support for `<dfn>`, parsing this as a Span with class `dfn`. * Change `htmlSpanLikeElements` implementation to retain classes, attributes and inline content.
2019-11-04Removed an unnecessary unpack.John MacFarlane1-1/+1
2019-11-04HTML Reader/Writer - Add support for <var> and <samp> (#5861)Amogh Rathore1-5/+7
Closes #5799
2019-10-24HTML reader/writer: Better handling of <q> with cite attribute (#5837)Ole Martin Ruud1-23/+34
* HTML reader: Handle cite attribute for quotes. If a `<q>` tag has a `cite` attribute, we interpret it as a Quoted element with an inner Span. Closes #5798 * Refactor url canonicalization into a helper function * Modify HTML writer to handle quote with cite. [0]: https://developer.mozilla.org/en-US/docs/Web/HTML/Element/q
2019-10-23Add Reader support for HTML <samp> element (#5843)Amogh Rathore1-0/+9
The `<samp>` element is parsed as a Span with class `sample`. Closes #5792.
2019-10-15Add support for reading and writing <kbd> elementsDaniele D'Orazio1-1/+9
* Text.Pandoc.Shared: export `htmlSpanLikeElements` [API change] This commit also introduces a mapping of HTML span like elements that are internally represented as a Span with a single class, but that are converted back to the original element by the html writer. As of now, only the kbd element is handled this way. Ideally these elements should be handled as plain AST values, but since that would be a breaking change with a large impact, we revert to this stop-gap solution. Fixes https://github.com/jgm/pandoc/issues/5796.
2019-09-28Use Prelude.fail to avoid ambiguity with fail from GHC.Base.John MacFarlane1-2/+2
2019-07-02Fix redundant constraint warnings. (#5625)Pete Ryland1-2/+2
2019-05-29HTML reader: misc. epub related fixes.John MacFarlane1-30/+41
- With epub extensions, check for epub:type in addition to type. - Fix problem with noteref parsing which caused block-level content to be eaten with the noteref. - Rename pAnyTag to pAny. - Refactor note resolution.
2019-05-27consolidate simple-table detection (#5524)Mauro Bieg1-7/+2
add `onlySimpleTableCells` to `Text.Pandoc.Shared` [API change] This fixes an inconsistency in the HTML reader, which did not treat tables with `<p>` inside cells as simple.
2019-05-25HTML reader: trim definition list termsAlexander Krotov1-1/+1