1 /* PSPP - a program for statistical analysis.
2 Copyright (C) 2009 Free Sonftware Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation, either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <http://www.gnu.org/licenses/>. */
17 #ifndef OUTPUT_TEXT_ITEM_H
18 #define OUTPUT_TEXT_ITEM_H 1
22 A text item is a subclass of an output item (see
23 output/output-item.h).
25 A text item is just a text string. */
28 #include <libpspp/compiler.h>
29 #include <output/output-item.h>
33 /* Each PSPP command is bracketed between a pair of these text items. The
34 text item's string is the full name of the command. The syntax text
35 items associated with the command, as well as all output produced
36 directly by the command, are contained within the pair. There is no
38 TEXT_ITEM_COMMAND_OPEN, /* Command starting. */
39 TEXT_ITEM_COMMAND_CLOSE, /* Command completed. */
42 TEXT_ITEM_TITLE, /* TITLE command. */
43 TEXT_ITEM_SUBTITLE, /* SUBTITLE command. */
44 TEXT_ITEM_SUBHEAD, /* Heading within a command's output.*/
47 TEXT_ITEM_SYNTAX, /* A single line of PSPP syntax. */
48 TEXT_ITEM_COMMENT, /* COMMENT command. */
49 TEXT_ITEM_ECHO, /* ECHO command. */
52 TEXT_ITEM_PARAGRAPH, /* Normal paragraph of text. */
53 TEXT_ITEM_MONOSPACE, /* Paragraph of monospaced text. */
55 /* Spacing. Some output drivers that are not based on lines and pages
56 (e.g. CSV, HTML) may ignore these. */
57 TEXT_ITEM_BLANK_LINE, /* Blank line. */
58 TEXT_ITEM_EJECT_PAGE /* Eject page. */
64 struct output_item output_item;
65 char *text; /* The content. */
66 enum text_item_type type; /* Type. */
69 struct text_item *text_item_create (enum text_item_type, const char *text);
70 struct text_item *text_item_create_format (enum text_item_type,
71 const char *format, ...)
74 enum text_item_type text_item_get_type (const struct text_item *);
75 const char *text_item_get_text (const struct text_item *);
77 /* This boilerplate for text_item, a subclass of output_item, was
78 autogenerated by mk-class-boilerplate. */
81 #include <libpspp/cast.h>
83 extern const struct output_item_class text_item_class;
85 /* Returns true if SUPER is a text_item, otherwise false. */
87 is_text_item (const struct output_item *super)
89 return super->class == &text_item_class;
92 /* Returns SUPER converted to text_item. SUPER must be a text_item, as
93 reported by is_text_item. */
94 static inline struct text_item *
95 to_text_item (const struct output_item *super)
97 assert (is_text_item (super));
98 return UP_CAST (super, struct text_item, output_item);
101 /* Returns INSTANCE converted to output_item. */
102 static inline struct output_item *
103 text_item_super (const struct text_item *instance)
105 return CONST_CAST (struct output_item *, &instance->output_item);
108 /* Increments INSTANCE's reference count and returns INSTANCE. */
109 static inline struct text_item *
110 text_item_ref (const struct text_item *instance)
112 return to_text_item (output_item_ref (&instance->output_item));
115 /* Decrements INSTANCE's reference count, then destroys INSTANCE if
116 the reference count is now zero. */
118 text_item_unref (struct text_item *instance)
120 output_item_unref (&instance->output_item);
123 /* Returns true if INSTANCE's reference count is greater than 1,
126 text_item_is_shared (const struct text_item *instance)
128 return output_item_is_shared (&instance->output_item);
131 void text_item_submit (struct text_item *);
133 #endif /* output/text-item.h */