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 +1,89 @@
+// Copyright (c) 2009-2016 Vladimir Batov.
+// Use, modification and distribution are subject to the Boost Software License,
+// Version 1.0. See http://www.boost.org/LICENSE_1_0.txt.
+
+#ifndef BOOST_CONVERT_PRINTF_HPP
+#define BOOST_CONVERT_PRINTF_HPP
+
+#include <boost/convert/base.hpp>
+#include <boost/make_default.hpp>
+#include <boost/mpl/vector.hpp>
+#include <boost/mpl/find.hpp>
+#include <boost/range/as_literal.hpp>
+#include <string>
+#include <cstdio>
+
+namespace boost { namespace cnv
+{
+    struct printf;
+}}
+
+struct boost::cnv::printf : public boost::cnv::cnvbase<boost::cnv::printf>
+{
+    typedef boost::cnv::printf             this_type;
+    typedef boost::cnv::cnvbase<this_type> base_type;
+
+    using base_type::operator();
+
+    template<typename in_type>
+    cnv::range<char*>
+    to_str(in_type value_in, char* buf) const
+    {
+        char const*     fmt = pformat(pos<in_type>());
+        int const num_chars = snprintf(buf, bufsize_, fmt, precision_, value_in);
+        bool const  success = num_chars < bufsize_;
+
+        return cnv::range<char*>(buf, success ? (buf + num_chars) : buf);
+    }
+    template<typename string_type, typename out_type>
+    void
+    str_to(cnv::range<string_type> range, optional<out_type>& result_out) const
+    {
+        out_type    result = boost::make_default<out_type>();
+        int const num_read = sscanf(&*range.begin(), format(pos<out_type>()), &result);
+
+        if (num_read == 1)
+            result_out = result;
+    }
+
+    private:
+
+    template<typename Type> int pos() const
+    {
+        typedef boost::mpl::vector<double, float,
+                                   int, unsigned int,
+                                   short int, unsigned short int,
+                                   long int, unsigned long int
+                                   > managed_types;
+
+        typedef typename boost::mpl::find<managed_types, Type>::type type_iterator;
+        typedef typename type_iterator::pos                               type_pos;
+
+        return type_pos::value;
+    }
+
+    char const* pformat(int pos) const
+    {
+        static char const* d_format[] = { "%.*f", "%.*f", "%.*d", "%.*u", "%.*hd", "%.*hu", "%.*ld", "%.*lu" }; // Must match managed_types
+        static char const* x_format[] = { "%.*f", "%.*f", "%.*x", "%.*x", "%.*hx", "%.*hx", "%.*lx", "%.*lx" }; // Must match managed_types
+        static char const* o_format[] = { "%.*f", "%.*f", "%.*o", "%.*o", "%.*ho", "%.*ho", "%.*lo", "%.*lo" }; // Must match managed_types
+        char const*            format = base_ == 10 ? d_format[pos]
+                                      : base_ == 16 ? x_format[pos]
+                                      : base_ ==  8 ? o_format[pos]
+                                      : (BOOST_ASSERT(0), (char const*) 0);
+        return format;
+    }
+    char const* format(int pos) const
+    {
+        static char const* d_format[] = { "%f", "%f", "%d", "%u", "%hd", "%hu", "%ld", "%lu" }; // Must match managed_types
+        static char const* x_format[] = { "%f", "%f", "%x", "%x", "%hx", "%hx", "%lx", "%lx" }; // Must match managed_types
+        static char const* o_format[] = { "%f", "%f", "%o", "%o", "%ho", "%ho", "%lo", "%lo" }; // Must match managed_types
+        char const*            format = base_ == 10 ? d_format[pos]
+                                      : base_ == 16 ? x_format[pos]
+                                      : base_ ==  8 ? o_format[pos]
+                                      : (BOOST_ASSERT(0), (char const*) 0);
+        return format;
+    }
+};
+
+#endif // BOOST_CONVERT_PRINTF_HPP