work on print encodigns

[pspp] / src / libpspp / u8-line.h

diff --git a/src/libpspp/u8-line.h b/src/libpspp/u8-line.h
new file mode 100644 (file)
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+++ b/src/libpspp/u8-line.h
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+/* PSPP - a program for statistical analysis.
+   Copyright (C) 2011, 2012 Free Software Foundation, Inc.
+
+   This program is free software: you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation, either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>. */
+
+#ifndef LIBPSPP_U8_LINE_H
+#define LIBPSPP_U8_LINE_H 1
+
+#include "libpspp/str.h"
+
+/* A line of text encoded in UTF-8, designed to make appending text */
+struct u8_line
+  {
+    struct string s;            /* Content, in UTF-8. */
+    size_t width;               /* Display width, in character positions. */
+  };
+
+void u8_line_init (struct u8_line *);
+void u8_line_destroy (struct u8_line *);
+void u8_line_clear (struct u8_line *);
+char *u8_line_reserve (struct u8_line *, int x0, int x1, int n);
+
+#endif /* libpspp/u8-line.h */