gbranden pushed a commit to branch master
in repository groff.
commit 0652060f9c7d119257b370fa25759ff07205049c
Author: G. Branden Robinson <[email protected]>
AuthorDate: Fri May 16 07:21:42 2025 -0500
[troff]: Make reported character flags scrutable.
* src/roff/troff/input.cpp (charinfo::dump): When dumping character
information with the `pchar` request, convert character flags bit mask
to comprehensible human language.
---
ChangeLog | 8 ++++++++
src/roff/troff/input.cpp | 50 +++++++++++++++++++++++++++++++++++++++++++++++-
2 files changed, 57 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index e1a782d9c..5b9c3d88a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2025-05-16 G. Branden Robinson <[email protected]>
+
+ [troff]: Make reported character flags scrutable.
+
+ * src/roff/troff/input.cpp (charinfo::dump): When dumping
+ character information with the `pchar` request, convert
+ character flags bit mask to comprehensible human language.
+
2025-05-16 G. Branden Robinson <[email protected]>
[troff]: Warn on contradictory `cflags` request argument.
diff --git a/src/roff/troff/input.cpp b/src/roff/troff/input.cpp
index 8ce5b6937..f1d026cf1 100644
--- a/src/roff/troff/input.cpp
+++ b/src/roff/troff/input.cpp
@@ -10378,7 +10378,55 @@ void charinfo::dump()
static_cast<int>(special_translation));
errprint(" hyphenation code: %1\n",
static_cast<int>(hyphenation_code));
- errprint(" flags: %1\n", flags);
+ errprint(" flags: %1 (", flags);
+ if (0U == flags)
+ errprint("none)\n");
+ else {
+ char none[] = { '\0', '\0' };
+ char comma[] = { ',', ' ' };
+ char *separator = none;
+ if (flags & ENDS_SENTENCE) {
+ errprint("%1ends sentence", separator);
+ separator = comma;
+ }
+ if (flags & ALLOWS_BREAK_BEFORE) {
+ errprint("%1allows break before", separator);
+ separator = comma;
+ }
+ if (flags & ALLOWS_BREAK_AFTER) {
+ errprint("%1allows break after", separator);
+ separator = comma;
+ }
+ if (flags & OVERLAPS_HORIZONTALLY) {
+ errprint("%1overlaps horizontally", separator);
+ separator = comma;
+ }
+ if (flags & OVERLAPS_VERTICALLY) {
+ errprint("%1overlaps vertically", separator);
+ separator = comma;
+ }
+ if (flags & IS_TRANSPARENT_TO_END_OF_SENTENCE) {
+ errprint("%1is transparent to end of sentence", separator);
+ separator = comma;
+ }
+ if (flags & IGNORES_SURROUNDING_HYPHENATION_CODES) {
+ errprint("%1ignores surrounding hyphenation codes", separator);
+ separator = comma;
+ }
+ if (flags & PROHIBITS_BREAK_BEFORE) {
+ errprint("%1prohibits break before", separator);
+ separator = comma;
+ }
+ if (flags & PROHIBITS_BREAK_AFTER) {
+ errprint("%1prohibits break after", separator);
+ separator = comma;
+ }
+ if (flags & IS_INTERWORD_SPACE) {
+ errprint("%1is interword space", separator);
+ separator = comma;
+ }
+ errprint(")\n");
+ }
errprint(" ASCII code: %1\n", static_cast<int>(ascii_code));
errprint(" asciify code: %1\n", static_cast<int>(asciify_code));
errprint(" is%1 found\n", is_not_found ? " not" : "");
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