projects / thirdparty / util-linux.git / blame
| Commit | Line | Data |
|---|---|---|
| abccd63d MY |
1 | /* |
| 2 | * column-list-table.h - helper functions for implementing -H/--list-columns option | |
| 3 | * | |
| 4 | * Copyright (C) 2023 Red Hat, Inc. All rights reserved. | |
| 5 | * Written by Masatake YAMATO <yamato@redhat.com> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License as published by | |
| 9 | * the Free Software Foundation; either version 2 of the License, or | |
| 10 | * (at your option) any later version. | |
| 11 | * | |
| 12 | * This program is distributed in the hope that it would be useful, | |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | * GNU General Public License for more details. | |
| 16 | * | |
| 17 | * You should have received a copy of the GNU General Public License | |
| 18 | * along with this program; if not, write to the Free Software Foundation, | |
| 19 | * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 20 | */ | |
| 21 | ||
| 22 | #ifndef UTIL_LINUX_COLUMN_LIST_TABLE_H | |
| 23 | #define UTIL_LINUX_COLUMN_LIST_TABLE_H | |
| 24 | ||
| 25 | #include "libsmartcols.h" | |
| 26 | #include <stdio.h> | |
| 27 | ||
| 28 | enum { CLT_COL_HOLDER, CLT_COL_TYPE, CLT_COL_DESC }; | |
| 29 | ||
| 30 | static inline struct libscols_table *xcolumn_list_table_new(const char *table_name, | |
| 31 | FILE *out, | |
| 32 | int raw, | |
| 33 | int json) | |
| 34 | { | |
| 35 | struct clt_colinfo { | |
| 36 | const char *name; | |
| 37 | int flags; | |
| 38 | }; | |
| 39 | struct libscols_table *tb; | |
| 40 | ||
| 41 | scols_init_debug(0); | |
| 42 | ||
| 43 | tb = scols_new_table(); | |
| 44 | if (!tb) | |
| 45 | err(EXIT_FAILURE, _("failed to allocate output table")); | |
| 46 | ||
| 47 | scols_table_set_name(tb, table_name); | |
| 48 | scols_table_set_stream(tb, out); | |
| 49 | scols_table_enable_noheadings(tb, 1); | |
| 50 | scols_table_enable_raw(tb, raw); | |
| 51 | scols_table_enable_json(tb, json); | |
| 52 | ||
| 53 | if (!scols_table_new_column(tb, "HOLDER", 0, SCOLS_FL_RIGHT)) | |
| 54 | goto failed; | |
| 55 | if (!scols_table_new_column(tb, "TYPE", 0, 0)) | |
| 56 | goto failed; | |
| 57 | if (!scols_table_new_column(tb, "DESCRIPTION", 0, 0)) | |
| 58 | goto failed; | |
| 59 | return tb; | |
| 60 | ||
| 61 | failed: | |
| 62 | err(EXIT_FAILURE, _("failed to allocate output column")); | |
| 63 | } | |
| 64 | ||
| 65 | static inline void xcolumn_list_table_append_line(struct libscols_table *tb, | |
| 66 | const char *name, | |
| 67 | int json_type, const char *fallback_typename, | |
| 68 | const char *desc) | |
| 69 | { | |
| 70 | struct libscols_line *ln = scols_table_new_line(tb, NULL); | |
| 71 | if (!ln) | |
| 72 | err(EXIT_FAILURE, _("failed to allocate output line")); | |
| 73 | ||
| 74 | if (scols_line_set_data(ln, CLT_COL_HOLDER, name)) | |
| 75 | err(EXIT_FAILURE, _("failed to add output data")); | |
| 76 | if (scols_line_set_data(ln, CLT_COL_TYPE, (json_type == SCOLS_JSON_STRING ? "<string>": | |
| 77 | json_type == SCOLS_JSON_ARRAY_STRING ? "<string>": | |
| 78 | json_type == SCOLS_JSON_ARRAY_NUMBER ? "<string>": | |
| 79 | json_type == SCOLS_JSON_NUMBER ? "<integer>": | |
| 80 | json_type == SCOLS_JSON_FLOAT ? "<float>": | |
| 81 | json_type == SCOLS_JSON_BOOLEAN ? "<boolean>": | |
| 82 | fallback_typename ?: "<string>"))) | |
| 83 | err(EXIT_FAILURE, _("failed to add output data")); | |
| 84 | if (scols_line_set_data(ln, CLT_COL_DESC, desc)) | |
| 85 | err(EXIT_FAILURE, _("failed to add output data")); | |
| 86 | } | |
| 87 | ||
| 88 | #endif |