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GH #176: Poco::JSON::Stringifier UTF encoding

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This commit is contained in:
Alex Fabijanic
2014-05-27 22:23:10 -05:00
parent 1732938168
commit b2eb4fda59
6 changed files with 105 additions and 86 deletions
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39
JSON/src/Stringifier.cpp
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@@ -72,44 +72,11 @@ void Stringifier::formatString(const std::string& value, std::ostream& out)
out << '"';
for (std::string::const_iterator it = value.begin(); it != value.end(); ++it)
{
if (*it == 0x20 ||
*it == 0x21 ||
(*it >= 0x23 && *it <= 0x2E) ||
(*it >= 0x30 && *it <= 0x5B) ||
(*it >= 0x5D && *it <= 0xFF))
out << *it;
else if (*it == '"')
out << "\\\"";
else if (*it == '\\')
out << "\\\\";
else if (*it == '\b')
out << "\\b";
else if (*it == '\f')
out << "\\f";
else if (*it == '\n')
out << "\\n";
else if (*it == '\r')
out << "\\r";
else if (*it == '\t')
out << "\\t";
else if ( *it == '\0' )
out << "\\u0000";
else
{
const char *hexdigits = "0123456789ABCDEF";
unsigned long u = (std::min)(static_cast<unsigned long>(static_cast<unsigned char>(*it)), 0xFFFFul);
int d1 = u / 4096; u -= d1 * 4096;
int d2 = u / 256; u -= d2 * 256;
int d3 = u / 16; u -= d3 * 16;
int d4 = u;
out << "\\u";
out << hexdigits[d1];
out << hexdigits[d2];
out << hexdigits[d3];
out << hexdigits[d4];
}
if (*it <= 0x1F || *it == '"' || *it == '\\') out << '\\';
out << *it;
}
out << '"';
}
} } // Namespace Poco::JSON