Initial commit

1 files changed, 54 insertions, 0 deletions

diff --git a/pkg/tbtables/tbzsub.x b/pkg/tbtables/tbzsub.x
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--- /dev/null
+++ b/pkg/tbtables/tbzsub.x
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+include <tbset.h>	# for subtype codes
+include "tbtables.h"
+include "tbltext.h"
+
+# tbzsub -- determine text table subtype
+#
+# Phil Hodge,  7-Jun-1999  Subroutine created.
+
+procedure tbzsub (tp, buf, maxch, line, line_type, subtype)
+
+pointer tp		# i: pointer to table info structure
+char	buf[ARB]	# o: buffer for the line that was read
+int	maxch		# i: size of line buffer
+int	line		# io: line number in input file
+int	line_type	# o: type of line read by tbzlin
+int	subtype		# o: subtype of text table
+#--
+int	fd		# fd for the file
+bool	read_enough	# true if we have read enough to determine the subtype
+int	nchar, tbzlin()
+errchk	tbzlin
+
+begin
+	fd = TB_FILE(tp)
+	read_enough = false
+	subtype = TBL_SUBTYPE_UNKNOWN
+
+	while (!read_enough) {
+
+	    nchar = tbzlin (fd, buf, maxch, line, line_type)
+
+	    if (nchar == EOF) {
+		subtype = TBL_SUBTYPE_SIMPLE
+		read_enough = true
+		buf[1] = EOS
+
+	    } else if (line_type == COLDEF_LINE) {
+		subtype = TBL_SUBTYPE_EXPLICIT
+		read_enough = true
+
+	    } else if (line_type == KEYWORD_LINE) {
+		call tbzkey (tp, buf, 0)	# append to list of keywords
+		buf[1] = EOS			# done with this line
+
+	    } else if (line_type == COMMENT_LINE) {
+		call tbbcmt (tp, buf)		# append to comment buffer
+		buf[1] = EOS			# done with this line
+
+	    } else {					# data
+		subtype = TBL_SUBTYPE_SIMPLE
+		read_enough = true
+	    }
+	}
+end