move to my github.

1 files changed, 60 insertions, 0 deletions

diff --git a/src/utilities/fqwcwidth.h b/src/utilities/fqwcwidth.h
new file mode 100644
index 0000000..b2007bc
--- /dev/null
+++ b/src/utilities/fqwcwidth.h
@@ -0,0 +1,60 @@
+/***************************************************************************
+ *   fqterm, a terminal emulator for both BBS and *nix.                    *
+ *   Copyright (C) 2008 fqterm development group.                          *
+ *                                                                         *
+ *   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 2 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, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.               *
+ ***************************************************************************/
+
+#ifndef FQTERM_FQWCWIDTH_H
+#define FQTERM_FQWCWIDTH_H
+
+#ifdef WIN32
+#define uint32_t unsigned __int32
+#define uint16_t unsigned __int16
+typedef wchar_t UTF16;
+#else  // WIN32
+#include <stdio.h>
+#include <stdint.h>
+typedef uint16_t UTF16;
+#endif  // WIN32
+
+typedef char Verify_UTF16_Is_Two_Bytes[
+    (sizeof(UTF16) == 2)? 1 : -1];
+
+namespace FQTerm {
+
+//const uint16_t URC = 0xfffd; // the Unicode Replacement Character
+// TODO_UTF16: 0xfffd is of width 2, which is not desired.
+const uint16_t URC = '?'; // use '?' instead of the Unicode Replacement Character
+
+const int MAX_CELLS_PER_CHAR = 2;
+
+int get_str_width(uint32_t ucs);
+int get_str_width(const uint32_t *pwcs, size_t n);
+int get_str_width(const UTF16 *utf16_str, size_t n);
+int get_str_width(const UTF16 *utf16_str, size_t n, int max_width, int &element_consumed);
+
+// Move p to next code point in max_n UTF16 characters.
+// Return the width of the current code point.
+int mk_advance_one_code_point(const UTF16 **p, const UTF16 *end);
+
+// Move p to next code point in max_n UTF16 characters.
+// Return the width.
+int mk_advace_at_least_one_cell(const UTF16 **p, const UTF16 *end);
+
+}  // namespace FQTerm 
+
+#endif  // FQTERM_FQWCWIDTH_H