diff options
Diffstat (limited to 'libblkid/tt.h')
-rw-r--r-- | libblkid/tt.h | 94 |
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 */ |