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* Support `T{' and `T}' data blocks. When a standalone `T{' isKristaps Dzonsons2011-01-041-1/+3
| | | | | | | encountered as a line's last data cell, move into TBL_PART_CDATA mode whilst leaving the cell's designation as TBL_DATA_NONE. When new data arrives that's not a standalone `T}', append it to the cell contends. Close out and warn appropriately.
* Churn to get parts of 'struct tbl' visible from mandoc.h: rename theKristaps Dzonsons2011-01-021-25/+14
| | | | | | | existing 'struct tbl' as 'struct tbl_node', then move all option stuff into a 'struct tbl' in mandoc.h. This conflicted with a structure in chars.c, which was renamed.
* Plug in the "head" concept for tables. A tbl_head specifies the fullKristaps Dzonsons2011-01-011-0/+2
| | | | | | | | | | layout for each row, including vertical spacers. One grabs the tbl_head for a row and iterates through each entry, plugging data from the tbl_span into the header as appropriate. This is pulled in more or less verbatim from tbl.bsd.lv. In fact, this is verbatim except that lists macros are made into hard-coded lists (for compatibility, as long-ago noted by joerg@).
* Raise an error if a table is closed without data.Kristaps Dzonsons2011-01-011-1/+1
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* Add documentation bits for libroff's new roff_span().Kristaps Dzonsons2011-01-011-1/+4
| | | | | | Add bits to remember tbl's invocation point. Add ERROR class message if no data's in the table.
* Expose the parsed table API to the world and add accessors through theKristaps Dzonsons2010-12-311-56/+1
| | | | roff.h interface.
* Put parsed tables into a queue that's cleared at the end of parsing.Kristaps Dzonsons2010-12-311-0/+1
| | | | This completes the parsing phase of the new tbl implementation.
* Assign layout cells to parsed data. This follows primarily fromKristaps Dzonsons2010-12-301-0/+2
| | | | tbl.bsd.lv, although it has been reimplemented.
* Move clean-up of parsed tbl nodes into the tbl_clear() function, calledKristaps Dzonsons2010-12-301-3/+6
| | | | once per invocation.
* Initial check-in of table data-row processing. For the time being, thisKristaps Dzonsons2010-12-291-0/+19
| | | | | | parses table data then throws it away immediately. It does not yet try to cross-check data rows against layout or anything. This copied more or less completely from tbl.bsd.lv.
* Add handling for `T&', which restarts a table except for its options.Kristaps Dzonsons2010-12-291-0/+1
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* Merge, with considerable changes, tbl.bsd.lv's layout-handling code.Kristaps Dzonsons2010-12-291-2/+40
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* Whack removed function from libroff.Kristaps Dzonsons2010-12-291-1/+0
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* Significant update to options handling, which now departs almostKristaps Dzonsons2010-12-291-14/+7
| | | | | | | | | | | | | completely with the BSD.lv code due to performance issues and flat-out errors. Performance issues: functions called per character. Ugly. Flat-out errors: disallowing "reserved" tokens as arguments to those options accepting arguments. Also added are two mandoc.h error codes for general tbl syntax errors and for bad options.
* Adding initial options processing (not hooked into parse yet). This isKristaps Dzonsons2010-12-281-1/+35
| | | | | more or less copied from tbl.bsd.lv and still needs integration with the general mandoc framework, e.g., with error messages.
* Initial tbl framework. Parse point is in libroff, which keeps aKristaps Dzonsons2010-12-281-0/+31
reference to a current tbl parse and routes ALL text into the tbl parse after stripping reserved words and making block-level pre-processing (e.g., `ig'). This is consistent with an analysis of embedded `TS/TE' in manuals with sprinkled -mdoc, roff, and -man macros. Fact of a parse is exposed to main.c by a return value (ROFF_TBL), which will trigger main.c to add a foreign parsed body to the -mdoc or -man parse stream. This interface isn't in yet, but will follow the parse-text functions in both libraries. I put this login in main.c because I don't want libroff calling directly into libmdoc or libman. As a consequence, a parsed row can be pushed directly into any -mdoc or -man context (put a `Bd -literal -offset indent' into a `TE/TS' block to see why this is necessary). It will then absorb formatting cues in the front-ends. A note on naming. I decided on libroff.h instead of tbl.h because this is purely within the roff layer. Separate tbl implementations will need, then, to interface with libroff. This is "how it should be" because tbl is tightly linked with roff in terms of `ds' and other formatting macros, as well as, of course, special characters and other roffisms.
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