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+ to_utf8 function to convert from icu::UnicodeString to utf-8 std::string

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This commit is contained in:
Artem Pavlenko 2008-11-16 21:11:57 +00:00
parent 2257d63a65
commit b423b45b22
1 changed files with 29 additions and 22 deletions
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51
include/mapnik/value.hpp
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@ -29,6 +29,7 @@
#include <mapnik/config_error.hpp>
// boost
#include <boost/variant.hpp>
#include <boost/scoped_array.hpp>
// stl
#include <iostream>
#include <string>
@ -36,8 +37,33 @@
#include <iomanip>
// uci
#include <unicode/unistr.h>
#include <unicode/ustring.h>
namespace mapnik {
inline void to_utf8(UnicodeString const& input, std::string & target)
{
if (input.length() == 0) return;
const int BUF_SIZE = 256;
char buf [BUF_SIZE];
int len;
UErrorCode err = U_ZERO_ERROR;
u_strToUTF8(buf, BUF_SIZE, &len, input.getBuffer(), input.length(), &err);
if (err == U_BUFFER_OVERFLOW_ERROR || err == U_STRING_NOT_TERMINATED_WARNING )
{
boost::scoped_array<char> buf_ptr(new char [len+1]);
err = U_ZERO_ERROR;
u_strToUTF8(buf_ptr.get() , len + 1, &len, input.getBuffer(), input.length(), &err);
target.assign(buf_ptr.get() , len);
}
else
{
target.assign(buf, len);
}
}
struct value_null
{
@ -505,28 +531,9 @@ namespace mapnik {
{
std::string operator() (UnicodeString const& val) const
{
/*
std::stringstream ss;
UnicodeString::const_iterator pos = val.begin();
ss << std::hex ;
for (;pos!=val.end();++pos)
{
wchar_t c = *pos;
if (c < 0x80)
{
ss << char(c);
}
else
{
ss << "\\x";
unsigned c0 = (c >> 8) & 0xff;
if (c0) ss << c0;
ss << (c & 0xff);
}
}
return "\'" + ss.str() + "\'";
*/
return "TODO";
std::string utf8;
to_utf8(val,utf8);
return "'" + utf8 + "'";
}
template <typename T>