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author | Jonas Smedegaard <dr@jones.dk> | 2017-06-24 09:21:31 +0200 |
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committer | Jonas Smedegaard <dr@jones.dk> | 2017-06-24 09:21:31 +0200 |
commit | c21cbbf9667991d2b928562a9c199e625d3f9bba (patch) | |
tree | ffd5e6895a578102ed9055fbb02a88031154ae0b /src/utils/encoding.hpp | |
parent | de62b6456bebd130f98ce6192cd63ff42e654fac (diff) | |
parent | 23a3372144215c9ba7a30d599164677284813fa4 (diff) | |
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New upstream version 5.0
Diffstat (limited to 'src/utils/encoding.hpp')
-rw-r--r-- | src/utils/encoding.hpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/src/utils/encoding.hpp b/src/utils/encoding.hpp new file mode 100644 index 0000000..b707a0c --- /dev/null +++ b/src/utils/encoding.hpp @@ -0,0 +1,43 @@ +#pragma once + + +#include <string> + +namespace utils +{ + /** + * Return the size, in bytes, of the next UTF-8 codepoint, based on + * the given char. + */ + std::size_t get_next_codepoint_size(const unsigned char c); + /** + * Returns true if the given null-terminated string is valid utf-8. + * + * Based on http://en.wikipedia.org/wiki/UTF-8#Description + */ + bool is_valid_utf8(const char* s); + /** + * Remove all invalid codepoints from the given utf-8-encoded string. + * The value returned is a copy of the string, without the removed chars. + * + * See http://www.w3.org/TR/xml/#charsets for the list of valid characters + * in XML. + */ + std::string remove_invalid_xml_chars(const std::string& original); + /** + * Convert the given string (encoded is "encoding") into valid utf-8. + * If some decoding fails, insert an utf-8 placeholder character instead. + */ + std::string convert_to_utf8(const std::string& str, const char* charset); +} + +namespace xep0106 +{ + /** + * Decode and encode inplace. + */ + void decode(std::string&); + void encode(std::string&); +} + + |