b5aac254c7
The tool IWYU (include what you use) suggests to remove and add some includes. This is only partial to avoid accidental build breakage, the includes are entangled and will have to be cleaned in the future again. Signed-off-by: David Sterba <dsterba@suse.com>
93 lines
2.7 KiB
C
93 lines
2.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License v2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 021110-1307, USA.
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*/
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#ifndef __BTRFS_FORMAT_OUTPUT_H__
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#define __BTRFS_FORMAT_OUTPUT_H__
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#include <stddef.h>
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struct rowspec {
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/* Identifier for the row */
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const char *key;
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/*
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* Format to print:
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* - starting with %: must be a valid printf spec
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* (values: va_args)
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* - uuid: format UUID as text
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* (value: u8 *uuid)
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* - list: print list opening bracket [
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* (values printed separately)
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* - map: start a new group, opens {
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* (values printed separately)
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* - size: pretty print size according to
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* (values: u64 size, u32 unit_type)
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* - size-or-none: pretty print non-zero values, "-" otherwise
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* (values: same as "size")
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* - qgroupid: print qgroup from separate level and id
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* (values: u64 level, u64 id)
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*/
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const char *fmt;
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/* String to print in format:text */
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const char *out_text;
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/* String to print in format:json, is quoted */
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const char *out_json;
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};
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#define ROWSPEC_END { .key = NULL },
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#define JSON_NESTING_LIMIT 16
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/*
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* Nested types
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*/
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enum json_type {
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JSON_TYPE_INVALID,
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JSON_TYPE_MAP,
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JSON_TYPE_ARRAY,
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};
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struct format_ctx {
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/* Preferred width of the first column with key (format: text) */
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int width;
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/* Initial indentation before the first column (format: text) */
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int indent;
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/* Nesting of groups like lists or maps (format: json) */
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int depth;
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/* Array of named output fields as defined by the command */
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const struct rowspec *rowspec;
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char jtype[JSON_NESTING_LIMIT];
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enum json_type memb[JSON_NESTING_LIMIT];
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};
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void fmt_start(struct format_ctx *fctx, const struct rowspec *spec, int width,
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int indent);
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void fmt_end(struct format_ctx *fctx);
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void fmt_print(struct format_ctx *fctx, const char* key, ...);
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void fmt_start_list_value(struct format_ctx *fctx);
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void fmt_end_list_value(struct format_ctx *fctx);
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void fmt_start_value(struct format_ctx *fctx, const struct rowspec *row);
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void fmt_end_value(struct format_ctx *fctx, const struct rowspec *row);
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void fmt_print_start_group(struct format_ctx *fctx, const char *name,
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enum json_type jtype);
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void fmt_print_end_group(struct format_ctx *fctx, const char *name);
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#endif
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