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2023-01-10Update copyright years, it's 2023!Albert Krewinkel
2022-12-20T.P.Scripting: Refactor the scripting engine.John MacFarlane
The new type CustomComponents is exported from T.P.Scripting, and the ScriptEngine fields are changed. Instead of separate fields for custom readers and writers, we now have a single function that loads any number of "components" from a script: these may be custom readers, custom writers, templates for writers, or extension configs. (Note: it's possible to have a custom reader and a custom writer for a format together in the same file.) Pandoc now checks the folder `custom` in the user's data directory for a matching script if it can't find one in the local directory. Previously, the `readers` and `writers` data directories were search for custom readers and writers, respectively. Scripts in those directories must be moved to the `custom` folder. Custom readers used to implement a fallback behavior that allowed to consume just a string value as input to the `Reader` function. This has been removed, the first argument is now always a list of sources. Use `tostring` on that argument to get a string. Closes #8417. Signed-off-by: Albert Krewinkel <[email protected]>
2022-12-20Shared: use LineBreak as default block sep in blocksToInlinesAlbert Krewinkel
This change also affects the `pandoc.utils.blocks_to_inlines` Lua function. Closes: #8499
2022-12-16Lua: allow table structure as format spec.Albert Krewinkel
This allows to pass structured values as format specifiers to `pandoc.write` and `pandoc.read`.
2022-12-16Format: use simpler structure for ExtensionsDiff.Albert Krewinkel
2022-12-08Shared: change defaultBlocksSeparator to PARAGRAPH SEPARATORAlbert Krewinkel
This Unicode char (U+2029) is intended as a semantic separator between paragraphs; it is cleaner and less intrusive than the pilcrow sign that we used before. This also changes the default `sep` value used in the `pandoc.utils.blocks_to_inlines` Lua function.
2022-12-05Lua: support `-D` CLI option for custom writers [API change]Albert Krewinkel
A new error `PandocNoTemplateError` (code 87) is thrown if a template is required but cannot be found.
2022-10-30hlint suggestions.John MacFarlane
2022-10-27Fix test for template marshaling.Albert Krewinkel
2022-10-27Lua: allow strings in place of compiled templates.Albert Krewinkel
This allows to use a string as parameter to `pandoc.template.apply` and in the WriterOptions `template` field. Closes: #8321
2022-10-25Lua: rename `reader_extensions`/`writer_extensions` globals...John MacFarlane
...as `Extensions`. Update documnetation. Include a custom extension in the documentation example. See #8390.
2022-10-24Remove sample.lua from data files (#8397)Albert Krewinkel
The file is kept around in the pandoc-lua-engine test-suite. Closes: #8356
2022-10-19Fix import in pandoc-lua-engine tests.John MacFarlane
We neglected to change the import after adding T.P.Version.
2022-10-14Lua: Support built-in default templates for custom writersAlbert Krewinkel
Custom writers can define a default template via a global `Template` function; the data directory is no longer searched for a default template. Writer authors can restore the old lookup behavior with ``` lua Template = function () local template return template.compile(template.default(PANDOC_SCRIPT_FILE)) end ```
2022-10-12Lua: support extensions in custom readers.Albert Krewinkel
Like custom readers, like writers, can define the set of supported extensions by setting a global. E.g.: ``` lua reader_extensions = { smart = true, citations = false, } ```
2022-10-11Lua: add function `pandoc.template.apply`Albert Krewinkel
The new function applies a context, containing variable assignments, to a template.
2022-10-10Lua: support extensions in custom writersAlbert Krewinkel
Custom writers can define the extensions that they support via the global `writer_extensions`. The variable's value must be a table with all supported extensions as keys, and their default status as values. E.g., the below specifies that the writer support the extensions `smart` and `sourcepos`, but only the `smart` extension is enabled by default: writer_extensions = { smart = true, sourcepos = false, }
2022-10-10Lua: support custom bytestring readers.Albert Krewinkel
2022-10-08[API Change] Add new module "Text.Pandoc.Format"Albert Krewinkel
The module provides functions and types for format spec parsing and processing. The function `parseFormatSpec` was moved from Text.Pandoc.Extensions to the new module and renamed to `parseFlavoredFormat`. It now operates in a PandocMonad and is based on the updated types.
2022-10-05Lua: fix tests on Windows broken in previous commit.Albert Krewinkel
2022-10-05Lua: produce more informative error messages for pandoc errorsAlbert Krewinkel
Errors are reported in Lua in the same words in which they would be reported in the terminal.
2022-10-04Lua: add new module `pandoc.format`.Albert Krewinkel
The module provides functions to query the set of extensions supported by formats, and the set of extension enabled per default.
2022-10-03Add test for custom bytestring writersAlbert Krewinkel
2022-10-03[API Change] Base custom writers on Writer type.Albert Krewinkel
The `T.P.Lua.writeCustom` function changed to allow either a TextWriter or ByteStringWriter to be returned. The global variables `PANDOC_DOCUMENT` and `PANDOC_WRITER_OPTIONS` are no longer set when the writer script is loaded. Both variables are still set in classic writers before the conversion is started, so they can be used when they are wrapped in functions.
2022-09-30[API Change] Extract Lua code into new package pandoc-lua-engineAlbert Krewinkel
The flag 'lua53` must now be used with that package if pandoc is to be compiled against Lua 5.3.