1 files changed, 94 insertions, 0 deletions

diff --git a/libblkid/tt.h b/libblkid/tt.h
new file mode 100644
index 000000000..603844f66
--- /dev/null
+++ b/libblkid/tt.h
@@ -0,0 +1,94 @@
+/*
+ * Prints table or tree. See lib/table.c for more details and example.
+ *
+ * Copyright (C) 2010 Karel Zak <kzak@redhat.com>
+ *
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ */
+#ifndef UTIL_LINUX_TT_H
+#define UTIL_LINUX_TT_H
+
+#include "list.h"
+
+enum {
+	/*
+	 * Global flags
+	 */
+	TT_FL_RAW         = (1 << 1),
+	TT_FL_ASCII       = (1 << 2),
+	TT_FL_NOHEADINGS  = (1 << 3),
+	TT_FL_EXPORT      = (1 << 4),
+
+	/*
+	 * Column flags
+	 */
+	TT_FL_TRUNC       = (1 << 5),	/* truncate fields data if necessary */
+	TT_FL_TREE        = (1 << 6),	/* use tree "ascii art" */
+	TT_FL_RIGHT	  = (1 << 7),	/* align to the right */
+	TT_FL_STRICTWIDTH = (1 << 8),	/* don't reduce width if column is empty */
+	TT_FL_NOEXTREMES  = (1 << 9)    /* ignore extreme fields when count column width*/
+};
+
+struct tt {
+	size_t	ncols;		/* number of columns */
+	size_t	termwidth;	/* terminal width */
+	int	is_term;	/* is a tty? */
+	int	flags;
+	int	first_run;
+
+	struct list_head	tb_columns;
+	struct list_head	tb_lines;
+
+	const struct tt_symbols	*symbols;
+};
+
+struct tt_column {
+	const char *name;	/* header */
+	size_t	seqnum;
+
+	size_t	width;		/* real column width */
+	size_t	width_min;	/* minimal width (usually header width) */
+	size_t  width_max;	/* maximal width */
+	size_t  width_avg;	/* average width, used to detect extreme fields */
+	double	width_hint;	/* hint (N < 1 is in percent of termwidth) */
+
+	int	flags;
+	int	is_extreme;
+
+	struct list_head	cl_columns;
+};
+
+struct tt_line {
+	struct tt	*table;
+	char const	**data;
+	void		*userdata;
+	size_t		data_sz;		/* strlen of all data */
+
+	struct list_head	ln_lines;	/* table lines */
+
+	struct list_head	ln_branch;	/* begin of branch (head of ln_children) */
+	struct list_head	ln_children;
+
+	struct tt_line	*parent;
+};
+
+extern struct tt *tt_new_table(int flags);
+extern void tt_free_table(struct tt *tb);
+extern void tt_remove_lines(struct tt *tb);
+extern int tt_print_table(struct tt *tb);
+
+extern struct tt_column *tt_define_column(struct tt *tb, const char *name,
+						double whint, int flags);
+
+extern struct tt_column *tt_get_column(struct tt *tb, size_t colnum);
+
+extern struct tt_line *tt_add_line(struct tt *tb, struct tt_line *parent);
+
+extern int tt_line_set_data(struct tt_line *ln, int colnum, const char *data);
+extern int tt_line_set_userdata(struct tt_line *ln, void *data);
+
+extern void tt_fputs_quoted(const char *data, FILE *out);
+extern void tt_fputs_nonblank(const char *data, FILE *out);
+
+#endif /* UTIL_LINUX_TT_H */