| Commit message (Collapse) | Author | Age | Files | Lines |
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properly handle embedded escapes when calculating its widths. NOTE:
this doesn't yet apply to the decimal-point calculation.
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for front-ends to make decisions about widths, not the back-end.
To pull this off, first make each tbl_head contain a unique index value
(0 <= index < total tbl_head elements) and remove the tbl_calc() routine
from the back-end.
Then, when encountering the first tbl_span in the front-end, dynamically
create an array of configurations (termp_tbl) keyed on each tbl_head's
unique index value. Construct the decimals and widths at this time,
then continue parsing as before.
The termp_tbl and indexes are required because we pass a const tbl AST
into the front-end.
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failure (this had caused some segfaults with the new assert() call in
MAN_HALT and MDOC_HALT).
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functions assert() if they're called after MDOC_HALT is set.
This makes more sense than returning 0 because this return value is used
for parse errors, not programme-flow errors, and it's inconsistent to
use the same value for both. Plus, prior to this, I'd return 0 without
printing an error message, which would cause failure to go unreported to
the operator.
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header stuff.
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not sure whether it's in the header calculation or term.c squashing
spaces or whatever, but let's get this in for general testing as soon as
possible.
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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.
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from tbl.bsd.lv. This is more or less verbatim, less queue macros and also
a check for NULL layout.
This concludes the back-end parsing for a little while, as the front-end
display may now be configured.
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with a little star next to the entry (yeah, this is mostly for testing).
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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@).
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tables a little bit smarter.
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Add bits to remember tbl's invocation point.
Add ERROR class message if no data's in the table.
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Add forgotten assignment of span to -man's TBL nodes.
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external-facing function man_addspan() (this required shuffling around
the descope routine) and hooks elsewhere.
Also fixed mdoc.c's post-validation of tables.
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external-facing function mdoc_addspan(), then various bits to prohibit
printing and scanning (this requires some if's to be converted into
switch's).
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roff.h interface.
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This completes the parsing phase of the new tbl implementation.
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tbl.bsd.lv, although it has been reimplemented.
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once per invocation.
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even more archaic than Solaris/Heirloom stuff; so that is quite
interesting from a perspective of compatibility and history.
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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.
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Also removed lots of superfluous switch cases by using tolower() and
handling only the lowercase keys.
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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.
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more or less copied from tbl.bsd.lv and still needs integration with the
general mandoc framework, e.g., with error messages.
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original parse point to generate a useful error message.
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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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piece with a prepended 'x', not each piece, such that quoted and
unquoted .Sh, .Ss, and .Sx arguments are compatible with each other.
Fixing a bug reported by Nicolas Joly <njoly at NetBSD dot org>,
avoiding a regression in my first patch as pointed out by njoly as well.
"feel free to do so" kristaps@
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by Andreas Vogele.
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the fancy double-quote.
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