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Diffstat (limited to 'xml/value-traits.txx')
-rw-r--r-- | xml/value-traits.txx | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/xml/value-traits.txx b/xml/value-traits.txx new file mode 100644 index 0000000..9cc0777 --- /dev/null +++ b/xml/value-traits.txx @@ -0,0 +1,32 @@ +// file : xml/value-traits.txx +// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC +// license : MIT; see accompanying LICENSE file + +#include <sstream> + +#include <xml/parser.hxx> +#include <xml/serializer.hxx> + +namespace xml +{ + template <typename T> + T default_value_traits<T>:: + parse (std::string s, const parser& p) + { + T r; + std::istringstream is (s); + if (!(is >> r && is.eof ()) ) + throw parsing (p, "invalid value '" + s + "'"); + return r; + } + + template <typename T> + std::string default_value_traits<T>:: + serialize (const T& v, const serializer& s) + { + std::ostringstream os; + if (!(os << v)) + throw serialization (s, "invalid value"); + return os.str (); + } +} |