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2021-11-19Lua: fix global module loading (#7701)Albert Krewinkel1-7/+27
2021-11-17Lua: set `lpeg`, `re` as globals; allow shared lib access via requireAlbert Krewinkel1-18/+18
The `lpeg` and `re` modules are loaded into globals of the respective name, but they are not necessarily registered as loaded packages. This ensures that - the built-in library versions are preferred when setting the globals, - a shared library is used if pandoc has been compiled without `lpeg`, and - the `require` mechanism can be used to load the shared library if available, falling back to the internal version if possible and necessary.
2021-11-16Lua: make loading of global LPeg modules more robustAlbert Krewinkel1-14/+20
Ignore errors if the normal package mechanism failed; this not only covers the case of modules being unavailable on the system, but also works if the modules are present, but fail to load for some reason. This makes the built-in package version a true fallback.
2021-11-11Lua: load `re` module available into global of the same nameAlbert Krewinkel1-21/+11
2021-11-09Lua: fix argument order in constructor `pandoc.Cite`.Albert Krewinkel1-2/+2
This restores the old behavior; argument order had been switched accidentally in pandoc 2.15.
2021-11-08Lua: ensure that 're' module is always available.Albert Krewinkel1-0/+8
The module is shipped with LPeg.
2021-11-06Lua: add Pushable instance for ReaderOptionsAlbert Krewinkel1-1/+4
2021-11-06Lua: allow to pass custom reader options to `pandoc.read`Albert Krewinkel3-39/+110
Reader options can now be passed as an optional third argument to `pandoc.read`. The object can either be a table or a ReaderOptions value like `PANDOC_READER_OPTIONS`. Creating new ReaderOptions objects is possible through the new constructor `pandoc.ReaderOptions`. Closes: #7656
2021-11-05Lua: display Pandoc values using their native Haskell representationAlbert Krewinkel1-0/+4
2021-11-05Lua: always load lpeg as global moduleAlbert Krewinkel2-5/+27
2021-11-04Lua: include lpeg module (#7649)Albert Krewinkel1-0/+4
Compiles the 'lpeg' library (Parsing Expression Grammars For Lua) into the program. Package maintainers may choose to rely on package dependencies to make lpeg available, in which case they can compile the with the constraint `lpeg +rely-on-shared-lpeg-library`.
2021-11-03Lua: add missing space in "package not found" messageAlbert Krewinkel1-1/+1
Closes: #7658
2021-11-02Lua: fix typo in SoftBreak constructorAlbert Krewinkel1-1/+1
2021-11-02Lua: re-add `content` property to Strikeout elementsAlbert Krewinkel1-0/+2
Fixes a regression introduced in 2.15.
2021-11-02Lua: be more forgiving when retrieving the Image `caption` propertyAlbert Krewinkel1-1/+1
Fixes a regression introduced in 2.15.
2021-11-02Lua: display Attr values using their native Haskell representationAlbert Krewinkel1-0/+4
2021-11-02Lua: allow omitting the 2nd parameter in pandoc.Code constructorAlbert Krewinkel1-2/+2
Fixes a regression introduced in 2.15 which required users to always specify an Attr value when constructing a Code element.
2021-11-02Lua: allow to compare, show Citation valuesAlbert Krewinkel1-1/+12
Comparisons of Citation values are performed in Haskell; values are equal if they represent the same Haskell value. Converting a Citation value to a string now yields its native Haskell string representation.
2021-11-01Lua: restore `content` property on Header elementsAlbert Krewinkel1-0/+2
2021-10-31Lua: re-add `content` property to Link elementsAlbert Krewinkel1-0/+2
This was a regression introduced in version 2.15. Fixes: #7647
2021-10-30Fix build on GHC 9.2Joseph C. Sible1-0/+1
2021-10-29Lua: use hslua module abstraction where possibleAlbert Krewinkel11-297/+374
This will make it easier to generate module documentation in the future.
2021-10-28Lua: increase strictness when getting attribute keysAlbert Krewinkel1-2/+2
2021-10-27Lua: re-add `t` and `tag` property to Attr valuesAlbert Krewinkel1-0/+4
Removal of these properties from Attr values was a regression.
2021-10-27Lua: fix `pandoc.utils.stringify` regressionAlbert Krewinkel1-1/+1
The `pandoc.utils.stringify` function returned empty strings when called with a string argument.
2021-10-26Fix a copy/paste bug in Lua marshalling code.John MacFarlane1-1/+1
This led changes in link properties in Lua filters to change the links into images! Closes #7639.
2021-10-26Lua: marshal SimpleTable values as userdata objectsAlbert Krewinkel3-46/+58
2021-10-26Lua: generate constants in module pandoc programmaticallyAlbert Krewinkel1-0/+17
2021-10-26Lua: marshal ListAttributes values as userdata objectsAlbert Krewinkel6-15/+80
2021-10-26Lua: marshal Block values as userdata objectsAlbert Krewinkel4-146/+461
Properties of Block values are marshalled lazily, which generally improves performance considerably. Script users may also notice the following differences: - Block element properties can no longer be accessed by numerical indexing of the `.c` field. The `.c` property now serves as an alias for `.content`, so some filter that used this undocumented method for property access may continue to work, while others will need to be updated and use proper property names. - The marshalled Block elements now have a `show` method, and a `__tostring` metamethod. Both return the Haskell string representation of the element. - Block values now have the Lua type `userdata` instead of `table`.
2021-10-25Lua: marshal Citation values as userdata objectsAlbert Krewinkel3-16/+53
2021-10-23Lua: convert IOErrors to PandocErrors in pandoc.pipe functionAlbert Krewinkel1-0/+2
Fixes: #7523
2021-10-22Lua: marshal Version values as userdataAlbert Krewinkel6-125/+12
2021-10-22Lua: marshal Inline elements as userdataAlbert Krewinkel2-63/+345
This includes the following user-facing changes: - Deprecated inline constructors are removed. These are `DoubleQuoted`, `SingleQuoted`, `DisplayMath`, and `InlineMath`. - Attr values are no longer normalized when assigned to an Inline element property. - It's no longer possible to access parts of Inline elements via numerical indexes. E.g., `pandoc.Span('test')[2]` used to give `pandoc.Str 'test'`, but yields `nil` now. This was undocumented behavior not intended to be used in user scripts. Use named properties instead. - Accessing `.c` to get a JSON-like tuple of all components no longer works. This was undocumented behavior. - Only known properties can be set on an element value. Trying to set a different property will now raise an error.
2021-10-22Lua: marshal Attr values as userdataAlbert Krewinkel4-14/+233
- Adds a new `pandoc.AttributeList()` constructor, which creates the associative attribute list that is used as the third component of `Attr` values. Values of this type can often be passed to constructors instead of `Attr` values. - `AttributeList` values can no longer be indexed numerically.
2021-10-22Lua: marshal Pandoc values as userdataAlbert Krewinkel2-11/+36
2021-10-22Switch to hslua-2.0Albert Krewinkel23-1115/+1013
The new HsLua version takes a somewhat different approach to marshalling and unmarshalling, relying less on typeclasses and more on specialized types. This allows for better performance and improved error messages. Furthermore, new abstractions allow to document the code and exposed functions.
2021-10-12Revert "Depend on pandoc-types 1.23, remove Null constructor on Block."John MacFarlane1-0/+2
This reverts commit fb0d6c7cb63a791fa72becf21ed493282e65ea91.
2021-10-01Depend on pandoc-types 1.23, remove Null constructor on Block.John MacFarlane1-2/+0
2021-08-24Text.Pandoc.Class: add readStdinStrict method to PandocMonad.John MacFarlane1-0/+1
[API change]
2021-08-24Lua subsystem and custom writers: generalize types from PandocIO...John MacFarlane2-6/+4
to any instance of PandocMonad and MonadIO. This involves an API change, since the type of runLua is now (PandocMonad m, MonadIO m) => Lua a -> m (Either PandocError a)
2021-06-10Lua utils: fix handling of table headers in `from_simple_table`Albert Krewinkel1-1/+1
Passing an empty list of header cells now results in an empty table header. Fixes: #7369
2021-05-24MediaBag improvements.John MacFarlane1-3/+3
In the current dev version, we will sometimes add a version of an image with a hashed name, keeping the original version with the original name, which would leave to undesirable duplication. This change separates the media's filename from the media's canonical name (which is the path of the link in the document itself). Filenames are based on SHA1 hashes and assigned automatically. In Text.Pandoc.MediaBag: - Export MediaItem type [API change]. - Change MediaBag type to a map from Text to MediaItem [API change]. - `lookupMedia` now returns a `MediaItem` [API change]. - Change `insertMedia` so it sets the `mediaPath` to a filename based on the SHA1 hash of the contents. This will be used when contents are extracted. In Text.Pandoc.Class.PandocMonad: - Remove `fetchMediaResource` [API change]. Lua MediaBag module has been changed minimally. In the future it would be better, probably, to give Lua access to the full MediaItem type.
2021-04-08Lua filter: respect Inlines/Blocks filter functions in pandoc.walk_*Albert Krewinkel2-3/+10
2021-03-15Use foldl' instead of foldl everywhere.John MacFarlane1-1/+2
2021-02-27Lua: use strict evaluation when retrieving AST value from the stackAlbert Krewinkel1-79/+77
Fixes: #6674
2021-02-04Lua filters: use same function names in Haskell and LuaAlbert Krewinkel2-28/+30
2021-02-02Lua: add module "pandoc.path"Albert Krewinkel1-0/+2
The module allows to work with file paths in a convenient and platform-independent manner. Closes: #6001 Closes: #6565
2021-01-26Lua: always load built-in Lua scripts from default data-dirAlbert Krewinkel4-46/+44
The Lua modules `pandoc` and `pandoc.List` are now always loaded from the system's default data directory. Loading from a different directory by overriding the default path, e.g. via `--data-dir`, is no longer supported to avoid unexpected behavior and to address security concerns.
2021-01-08Update copyright notices for 2021 (#7012)Albert Krewinkel24-34/+34
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