Return owned text and share cell attribute flags with snapshots

Make text queries return allocated strings released with term_text_free, keeping each capture atomic. Align public attributes with the write core, remove snapshot conversion tables, and migrate tests and the Kitty adapter.

1 files changed, 14 insertions, 16 deletions

diff --git a/src/cell.h b/src/cell.h
index 41b16eb..615879e 100644
--- a/src/cell.h
+++ b/src/cell.h
@@ -9,27 +9,25 @@
 #include "term.h"
 
 enum cell_flags {
-    CELL_BOLD      = 1 << 0,
-    CELL_ITALIC    = 1 << 1,
-    CELL_UNDERLINE = 1 << 2,
-    CELL_STRIKE    = 1 << 3,
-    CELL_OVERLINE  = 1 << 4,
-    CELL_EMOJI     = 1 << 5,
-    CELL_TEXT      = 1 << 6,
+    CELL_BOLD      = TERM_ATTR_BOLD,
+    CELL_ITALIC    = TERM_ATTR_ITALIC,
+    CELL_UNDERLINE = TERM_ATTR_UNDERLINE,
+    CELL_STRIKE    = TERM_ATTR_STRIKE,
+    CELL_OVERLINE  = TERM_ATTR_OVERLINE,
+    CELL_EMOJI     = TERM_ATTR_EMOJI,
+    CELL_TEXT      = TERM_ATTR_TEXT,
     CELL_WIDE      = 1 << 7,
     CELL_TRAIL     = 1 << 8,
     CELL_WRAP_PAD  = 1 << 9,
-    CELL_FAINT     = 1 << 10,
-    CELL_DOUBLE_UNDERLINE = 1 << 11,
-    CELL_CURLY_UNDERLINE  = 1 << 12,
-    CELL_DOTTED_UNDERLINE = 1 << 13,
-    CELL_DASHED_UNDERLINE = 1 << 14,
-    CELL_LINK      = 1 << 15,
+    CELL_FAINT     = TERM_ATTR_FAINT,
+    CELL_DOUBLE_UNDERLINE = TERM_ATTR_DOUBLE_UNDERLINE,
+    CELL_CURLY_UNDERLINE  = TERM_ATTR_CURLY_UNDERLINE,
+    CELL_DOTTED_UNDERLINE = TERM_ATTR_DOTTED_UNDERLINE,
+    CELL_DASHED_UNDERLINE = TERM_ATTR_DASHED_UNDERLINE,
+    CELL_LINK      = TERM_ATTR_LINK,
 };
 
-#define CELL_ANY_UNDERLINE \
-    (CELL_UNDERLINE | CELL_DOUBLE_UNDERLINE | CELL_CURLY_UNDERLINE | \
-     CELL_DOTTED_UNDERLINE | CELL_DASHED_UNDERLINE)
+#define CELL_ANY_UNDERLINE TERM_ATTR_UNDERLINE_MASK
 
 /* c is a code point or a grapheme handle. pad holds the OSC 8 link id. */
 struct cell {