+2003-04-03 Bruno Haible <bruno@clisp.org>
+
+ * modules/utf8-ucs4: New file.
+ * modules/utf16-ucs4: New file.
+ * modules/ucs4-utf8: New file.
+ * modules/ucs4-utf16: New file.
+ * MODULES.html.sh (func_all_modules): Add them.
+
2003-04-02 Bruno Haible <bruno@clisp.org>
* modules/binary-io: New file.
func_module unicodeio
func_module rpmatch
func_module yesno
- #func_module ucs4-utf8
- #func_module ucs4-utf16
- #func_module utf8-ucs4
- #func_module utf16-ucs4
+ func_module ucs4-utf8
+ func_module ucs4-utf16
+ func_module utf8-ucs4
+ func_module utf16-ucs4
#func_module linebreak
func_end_table
+2003-04-03 Bruno Haible <bruno@clisp.org>
+
+ * utf8-ucs4.h: New file, from GNU gettext.
+ * utf16-ucs4.h: New file, from GNU gettext.
+ * ucs4-utf8.h: New file, from GNU gettext.
+ * ucs4-utf16.h: New file, from GNU gettext.
+
2003-04-02 Bruno Haible <bruno@clisp.org>
* binary-io.h: New file, from GNU gettext.
--- /dev/null
+/* Conversion UCS-4 to UTF-16.
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ Written by Bruno Haible <haible@clisp.cons.org>, 2002.
+
+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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+#include <stddef.h>
+
+/* Return the length (number of units) of the UTF-16 representation of uc,
+ after storing it at S. Return -1 upon failure, -2 if the number of
+ available units, N, is too small. */
+static int
+u16_uctomb_aux (unsigned short *s, unsigned int uc, int n)
+{
+ if (uc >= 0x10000)
+ {
+ if (uc < 0x110000)
+ {
+ if (n >= 2)
+ {
+ s[0] = 0xd800 + ((uc - 0x10000) >> 10);
+ s[1] = 0xdc00 + ((uc - 0x10000) & 0x3ff);
+ return 2;
+ }
+ }
+ else
+ return -1;
+ }
+ return -2;
+}
+
+static inline int
+u16_uctomb (unsigned short *s, unsigned int uc, int n)
+{
+ if (uc < 0x10000 && n > 0)
+ {
+ s[0] = uc;
+ return 1;
+ }
+ else
+ return u16_uctomb_aux (s, uc, n);
+}
--- /dev/null
+/* Conversion UCS-4 to UTF-8.
+ Copyright (C) 2002 Free Software Foundation, Inc.
+ Written by Bruno Haible <haible@clisp.cons.org>, 2002.
+
+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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+#include <stddef.h>
+
+/* Return the length (number of units) of the UTF-8 representation of uc,
+ after storing it at S. Return -1 upon failure, -2 if the number of
+ available units, N, is too small. */
+static int
+u8_uctomb_aux (unsigned char *s, unsigned int uc, int n)
+{
+ int count;
+
+ if (uc < 0x80)
+ count = 1;
+ else if (uc < 0x800)
+ count = 2;
+ else if (uc < 0x10000)
+ count = 3;
+#if 0
+ else if (uc < 0x200000)
+ count = 4;
+ else if (uc < 0x4000000)
+ count = 5;
+ else if (uc <= 0x7fffffff)
+ count = 6;
+#else
+ else if (uc < 0x110000)
+ count = 4;
+#endif
+ else
+ return -1;
+
+ if (n < count)
+ return -2;
+
+ switch (count) /* note: code falls through cases! */
+ {
+#if 0
+ case 6: s[5] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0x4000000;
+ case 5: s[4] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0x200000;
+#endif
+ case 4: s[3] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0x10000;
+ case 3: s[2] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0x800;
+ case 2: s[1] = 0x80 | (uc & 0x3f); uc = uc >> 6; uc |= 0xc0;
+ case 1: s[0] = uc;
+ }
+ return count;
+}
+
+static inline int
+u8_uctomb (unsigned char *s, unsigned int uc, int n)
+{
+ if (uc < 0x80 && n > 0)
+ {
+ s[0] = uc;
+ return 1;
+ }
+ else
+ return u8_uctomb_aux (s, uc, n);
+}
--- /dev/null
+/* Conversion UTF-16 to UCS-4.
+ Copyright (C) 2001-2002 Free Software Foundation, Inc.
+ Written by Bruno Haible <haible@clisp.cons.org>, 2001.
+
+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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+#include <stddef.h>
+
+/* Return the length (number of units) of the first character in S, putting
+ its 'ucs4_t' representation in *PUC. */
+static int
+u16_mbtouc_aux (unsigned int *puc, const unsigned short *s, size_t n)
+{
+ unsigned short c = *s;
+
+ if (c < 0xdc00)
+ {
+ if (n >= 2)
+ {
+ if (s[1] >= 0xdc00 && s[1] < 0xe000)
+ {
+ *puc = 0x10000 + ((c - 0xd800) << 10) + (s[1] - 0xdc00);
+ return 2;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return n;
+ }
+ }
+ /* invalid multibyte character */
+ *puc = 0xfffd;
+ return 1;
+}
+static inline int
+u16_mbtouc (unsigned int *puc, const unsigned short *s, size_t n)
+{
+ unsigned short c = *s;
+
+ if (c < 0xd800 || c >= 0xe000)
+ {
+ *puc = c;
+ return 1;
+ }
+ else
+ return u16_mbtouc_aux (puc, s, n);
+}
--- /dev/null
+/* Conversion UTF-8 to UCS-4.
+ Copyright (C) 2001-2002 Free Software Foundation, Inc.
+ Written by Bruno Haible <haible@clisp.cons.org>, 2001.
+
+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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+
+
+#include <stddef.h>
+
+/* Return the length (number of units) of the first character in S, putting
+ its 'ucs4_t' representation in *PUC. */
+static int
+u8_mbtouc_aux (unsigned int *puc, const unsigned char *s, size_t n)
+{
+ unsigned char c = *s;
+
+ if (c >= 0xc2)
+ {
+ if (c < 0xe0)
+ {
+ if (n >= 2)
+ {
+ if ((s[1] ^ 0x80) < 0x40)
+ {
+ *puc = ((unsigned int) (c & 0x1f) << 6)
+ | (unsigned int) (s[1] ^ 0x80);
+ return 2;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return n;
+ }
+ }
+ else if (c < 0xf0)
+ {
+ if (n >= 3)
+ {
+ if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40
+ && (c >= 0xe1 || s[1] >= 0xa0))
+ {
+ *puc = ((unsigned int) (c & 0x0f) << 12)
+ | ((unsigned int) (s[1] ^ 0x80) << 6)
+ | (unsigned int) (s[2] ^ 0x80);
+ return 3;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return n;
+ }
+ }
+ else if (c < 0xf8)
+ {
+ if (n >= 4)
+ {
+ if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40
+ && (s[3] ^ 0x80) < 0x40
+ && (c >= 0xf1 || s[1] >= 0x90)
+#if 1
+ && (c < 0xf4 || (c == 0xf4 && s[1] < 0x90))
+#endif
+ )
+ {
+ *puc = ((unsigned int) (c & 0x07) << 18)
+ | ((unsigned int) (s[1] ^ 0x80) << 12)
+ | ((unsigned int) (s[2] ^ 0x80) << 6)
+ | (unsigned int) (s[3] ^ 0x80);
+ return 4;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return n;
+ }
+ }
+#if 0
+ else if (c < 0xfc)
+ {
+ if (n >= 5)
+ {
+ if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40
+ && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40
+ && (c >= 0xf9 || s[1] >= 0x88))
+ {
+ *puc = ((unsigned int) (c & 0x03) << 24)
+ | ((unsigned int) (s[1] ^ 0x80) << 18)
+ | ((unsigned int) (s[2] ^ 0x80) << 12)
+ | ((unsigned int) (s[3] ^ 0x80) << 6)
+ | (unsigned int) (s[4] ^ 0x80);
+ return 5;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return n;
+ }
+ }
+ else if (c < 0xfe)
+ {
+ if (n >= 6)
+ {
+ if ((s[1] ^ 0x80) < 0x40 && (s[2] ^ 0x80) < 0x40
+ && (s[3] ^ 0x80) < 0x40 && (s[4] ^ 0x80) < 0x40
+ && (s[5] ^ 0x80) < 0x40
+ && (c >= 0xfd || s[1] >= 0x84))
+ {
+ *puc = ((unsigned int) (c & 0x01) << 30)
+ | ((unsigned int) (s[1] ^ 0x80) << 24)
+ | ((unsigned int) (s[2] ^ 0x80) << 18)
+ | ((unsigned int) (s[3] ^ 0x80) << 12)
+ | ((unsigned int) (s[4] ^ 0x80) << 6)
+ | (unsigned int) (s[5] ^ 0x80);
+ return 6;
+ }
+ /* invalid multibyte character */
+ }
+ else
+ {
+ /* incomplete multibyte character */
+ *puc = 0xfffd;
+ return n;
+ }
+ }
+#endif
+ }
+ /* invalid multibyte character */
+ *puc = 0xfffd;
+ return 1;
+}
+static inline int
+u8_mbtouc (unsigned int *puc, const unsigned char *s, size_t n)
+{
+ unsigned char c = *s;
+
+ if (c < 0x80)
+ {
+ *puc = c;
+ return 1;
+ }
+ else
+ return u8_mbtouc_aux (puc, s, n);
+}
+2003-04-03 Bruno Haible <bruno@clisp.org>
+
+ * utf-ucs4.m4: New file.
+ * ucs4-utf.m4: New file.
+
2003-03-30 Bruno Haible <bruno@clisp.org>
* copy-file.m4 (gl_COPY_FILE): Add check for chown().
--- /dev/null
+# ucs4-utf.m4 serial 1
+dnl Copyright (C) 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_UCS4_UTF],
+[
+ dnl Prerequisites of lib/ucs4-utf8.h, lib/ucs4-utf16.h.
+ AC_REQUIRE([AC_C_INLINE])
+])
--- /dev/null
+# utf-ucs4.m4 serial 1
+dnl Copyright (C) 2003 Free Software Foundation, Inc.
+dnl This file is free software, distributed under the terms of the GNU
+dnl General Public License. As a special exception to the GNU General
+dnl Public License, this file may be distributed as part of a program
+dnl that contains a configuration script generated by Autoconf, under
+dnl the same distribution terms as the rest of that program.
+
+AC_DEFUN([gl_UTF_UCS4],
+[
+ dnl Prerequisites of lib/utf8-ucs4.h, lib/utf16-ucs4.h.
+ AC_REQUIRE([AC_C_INLINE])
+])
--- /dev/null
+Description:
+Conversion UCS-4 to UTF-16.
+
+Files:
+lib/ucs4-utf16.h
+m4/ucs4-utf.m4
+
+Depends-on:
+
+configure.ac:
+gl_UCS4_UTF
+
+Makefile.am:
+lib_SOURCES += ucs4-utf16.h
+
+Include:
+
+Maintainer:
+Bruno Haible
+
--- /dev/null
+Description:
+Conversion UCS-4 to UTF-8.
+
+Files:
+lib/ucs4-utf8.h
+m4/ucs4-utf.m4
+
+Depends-on:
+
+configure.ac:
+gl_UCS4_UTF
+
+Makefile.am:
+lib_SOURCES += ucs4-utf8.h
+
+Include:
+
+Maintainer:
+Bruno Haible
+
--- /dev/null
+Description:
+Conversion UTF-16 to UCS-4.
+
+Files:
+lib/utf16-ucs4.h
+m4/utf-ucs4.m4
+
+Depends-on:
+
+configure.ac:
+gl_UTF_UCS4
+
+Makefile.am:
+lib_SOURCES += utf16-ucs4.h
+
+Include:
+
+Maintainer:
+Bruno Haible
+
--- /dev/null
+Description:
+Conversion UTF-8 to UCS-4.
+
+Files:
+lib/utf8-ucs4.h
+m4/utf-ucs4.m4
+
+Depends-on:
+
+configure.ac:
+gl_UTF_UCS4
+
+Makefile.am:
+lib_SOURCES += utf8-ucs4.h
+
+Include:
+
+Maintainer:
+Bruno Haible
+
projects / gnulib.git / commitdiff