stabilize build system: depends, installer, boost/bdb fixes, cross targets groundwork

2026-02-24 18:38:47 +00:00
parent da8c28aaeb
commit 65cb2619a7
13106 changed files with 2484322 additions and 1804 deletions
@@ -0,0 +1,69 @@
+//
+//  Copyright (c) 2015 Artyom Beilis (Tonkikh)
+//
+//  Distributed under the Boost Software License, Version 1.0. (See
+//  accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+#ifndef BOOST_LOCALE_UTF8_CODECVT_HPP
+#define BOOST_LOCALE_UTF8_CODECVT_HPP
+
+#include <boost/locale/utf.hpp>
+#include <boost/locale/generic_codecvt.hpp>
+#include <boost/cstdint.hpp>
+#include <locale>
+
+namespace boost {
+namespace locale {
+
+///
+/// \brief Geneneric utf8 codecvt facet, it allows to convert UTF-8 strings to UTF-16 and UTF-32 using wchar_t, char32_t and char16_t
+/// 
+template<typename CharType>
+class utf8_codecvt : public generic_codecvt<CharType,utf8_codecvt<CharType> > 
+{
+public:
+   
+    struct state_type {};
+
+    utf8_codecvt(size_t refs = 0) : generic_codecvt<CharType,utf8_codecvt<CharType> >(refs)
+    {
+    }
+
+    static int max_encoding_length()
+    {
+        return 4;
+    }
+
+    static state_type initial_state(generic_codecvt_base::initial_convertion_state /* unused */)
+    {
+        return state_type();
+    }
+    static utf::code_point to_unicode(state_type &,char const *&begin,char const *end) 
+    {
+        char const *p=begin;
+
+        utf::code_point c = utf::utf_traits<char>::decode(p,end);
+        if(c!=utf::illegal && c!=utf::incomplete)
+            begin = p;
+        return c;
+    }
+
+    static utf::code_point from_unicode(state_type &,utf::code_point u,char *begin,char const *end) 
+    {
+        if(!utf::is_valid_codepoint(u))
+            return utf::illegal;
+        int width;
+        if((width=utf::utf_traits<char>::width(u)) > end - begin)
+            return utf::incomplete;
+        utf::utf_traits<char>::encode(u,begin);
+        return width;
+    }
+};
+
+} // locale
+} // namespace boost
+
+#endif
+///
+// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4