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Diffstat (limited to '')
-rw-r--r-- | src/util/UTF8.hxx | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/util/UTF8.hxx b/src/util/UTF8.hxx new file mode 100644 index 000000000..d3d694f6b --- /dev/null +++ b/src/util/UTF8.hxx @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2011-2014 Max Kellermann <max@duempel.org> + * http://www.musicpd.org + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef UTF8_HXX +#define UTF8_HXX + +#include "Compiler.h" + +#include <stddef.h> + +/** + * Is this a valid UTF-8 string? + */ +gcc_pure gcc_nonnull_all +bool +ValidateUTF8(const char *p); + +/** + * Convert the specified string from ISO-8859-1 to UTF-8. + * + * @return the UTF-8 version of the source string; may return #src if + * there are no non-ASCII characters; returns nullptr if the destination + * buffer is too small + */ +gcc_pure gcc_nonnull_all +const char * +Latin1ToUTF8(const char *src, char *buffer, size_t buffer_size); + +/** + * Convert the specified Unicode character to UTF-8 and write it to + * the buffer. buffer must have a length of at least 6! + * + * @return a pointer to the buffer plus the added bytes(s) + */ +gcc_nonnull_all +char * +UnicodeToUTF8(unsigned ch, char *buffer); + +/** + * Returns the number of characters in the string. This is different + * from strlen(), which counts the number of bytes. + */ +gcc_pure gcc_nonnull_all +size_t +LengthUTF8(const char *p); + +#endif |