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Some further work and simplification. Now the conversion engine is only restarted on error.
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@14967 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Lars Gullik Bjønnes
parent
8fd2299744
commit
2a06b31354
@ -20,10 +20,8 @@
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#include <cerrno>
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#include <iomanip>
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#include <string>
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using std::endl;
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using std::string;
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namespace {
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@ -35,36 +33,42 @@ namespace {
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char const * ucs2_codeset = "UCS-2LE";
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#endif
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std::vector<char>
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iconv_convert(std::string const & tocode, std::string const & fromcode,
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std::vector<char> const & buf)
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template<typename RetType, typename InType>
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std::vector<RetType>
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iconv_convert(iconv_t * cd,
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char const * tocode,
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char const * fromcode,
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InType const * buf,
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size_t buflen)
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{
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if (buf.empty())
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return std::vector<char>();
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if (buflen == 0)
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return std::vector<RetType>();
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iconv_t cd = iconv_open(tocode.c_str(), fromcode.c_str());
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if (cd == (iconv_t)(-1)) {
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lyxerr << "Error returned from iconv_open" << endl;
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switch (errno) {
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case EINVAL:
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lyxerr << "EINVAL The conversion from " << fromcode
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<< " to " << tocode
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<< " is not supported by the implementation."
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<< endl;
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break;
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default:
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lyxerr << "\tSome other error: " << errno << endl;
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break;
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if (*cd == (iconv_t)(-1)) {
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*cd = iconv_open(tocode, fromcode);
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if (*cd == (iconv_t)(-1)) {
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lyxerr << "Error returned from iconv_open" << endl;
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switch (errno) {
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case EINVAL:
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lyxerr << "EINVAL The conversion from " << fromcode
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<< " to " << tocode
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<< " is not supported by the implementation."
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<< endl;
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break;
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default:
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lyxerr << "\tSome other error: " << errno << endl;
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break;
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}
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}
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}
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char ICONV_CONST * inbuf = const_cast<char ICONV_CONST *>(&buf[0]);
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size_t inbytesleft = buf.size();
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char ICONV_CONST * inbuf = const_cast<char ICONV_CONST *>(reinterpret_cast<char const *>(buf));
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size_t inbytesleft = buflen * sizeof(InType);
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static char out[1000];
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char * outbuf = out;
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size_t outbytesleft = 1000;
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size_t res = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
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size_t res = iconv(*cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
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if (res == (size_t)(-1)) {
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lyxerr << "Error returned from iconv" << endl;
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@ -78,7 +82,7 @@ iconv_convert(std::string const & tocode, std::string const & fromcode,
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<< "When converting from " << fromcode
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<< " to " << tocode << ".\n";
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lyxerr << "Input: " << std::hex;
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for (size_t i = 0; i < buf.size(); ++i) {
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for (size_t i = 0; i < buflen; ++i) {
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unsigned char const b = buf[i];
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lyxerr << "0x" << int(b) << " ";
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}
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@ -90,7 +94,7 @@ iconv_convert(std::string const & tocode, std::string const & fromcode,
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<< "When converting from " << fromcode
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<< " to " << tocode << ".\n";
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lyxerr << "Input: " << std::hex;
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for (size_t i = 0; i < buf.size(); ++i) {
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for (size_t i = 0; i < buflen; ++i) {
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unsigned char const b = buf[i];
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lyxerr << "0x" << int(b) << " ";
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}
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@ -100,11 +104,12 @@ iconv_convert(std::string const & tocode, std::string const & fromcode,
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lyxerr << "\tSome other error: " << errno << endl;
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break;
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}
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}
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if (iconv_close(cd) == -1) {
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lyxerr << "Error returned from iconv_close("
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<< errno << ")" << endl;
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// We got an error so we close down the conversion engine
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if (iconv_close(*cd) == -1) {
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lyxerr << "Error returned from iconv_close("
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<< errno << ")" << endl;
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}
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*cd = (iconv_t)(-1);
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}
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//lyxerr << std::dec;
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@ -112,22 +117,8 @@ iconv_convert(std::string const & tocode, std::string const & fromcode,
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//lyxerr << "Outbytesleft: " << outbytesleft << endl;
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int bytes = 1000 - outbytesleft;
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std::vector<char> outvec(out, out + bytes);
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return outvec;
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}
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std::vector<boost::uint32_t> bytes_to_ucs4(std::vector<char> const & bytes)
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{
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boost::uint32_t const * tmp = reinterpret_cast<uint32_t const *>(&bytes[0]);
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return std::vector<boost::uint32_t>(tmp, tmp + bytes.size() / 4);
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}
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std::vector<unsigned short> bytes_to_ucs2(std::vector<char> const & bytes)
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{
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unsigned short const * tmp = reinterpret_cast<unsigned short const *>(&bytes[0]);
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return std::vector<unsigned short>(tmp, tmp + bytes.size() / 2);
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RetType const * tmp = reinterpret_cast<RetType const *>(out);
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return std::vector<RetType>(tmp, tmp + bytes / sizeof(RetType));
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}
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} // anon namespace
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@ -135,69 +126,55 @@ std::vector<unsigned short> bytes_to_ucs2(std::vector<char> const & bytes)
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std::vector<boost::uint32_t> utf8_to_ucs4(std::vector<char> const & utf8str)
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{
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//lyxerr << "Buff = " << string(utf8str.begin(), utf8str.end())
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// << " (" << utf8str.size() << ")" << endl;
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//lyxerr << "Res = " << string(res.begin(), res.end())
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// << " (" << res.size() << ")" << endl;
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std::vector<char> res = iconv_convert(ucs4_codeset, "UTF-8", utf8str);
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return bytes_to_ucs4(res);
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static iconv_t cd = (iconv_t)(-1);
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return iconv_convert<boost::uint32_t>(&cd, ucs4_codeset, "UTF-8",
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&utf8str[0], utf8str.size());
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}
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std::vector<boost::uint32_t>
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ucs2_to_ucs4(std::vector<unsigned short> const & ucs2str)
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{
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char const * tin = reinterpret_cast<char const *>(&ucs2str[0]);
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std::vector<char> in(tin, tin + ucs2str.size() * 2);
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std::vector<char> res = iconv_convert(ucs4_codeset, ucs2_codeset, in);
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return bytes_to_ucs4(res);
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static iconv_t cd = (iconv_t)(-1);
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return iconv_convert<boost::uint32_t>(&cd, ucs4_codeset, ucs2_codeset,
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&ucs2str[0], ucs2str.size());
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}
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std::vector<unsigned short>
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ucs4_to_ucs2(std::vector<boost::uint32_t> const & ucs4str)
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{
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char const * tin = reinterpret_cast<char const *>(&ucs4str[0]);
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std::vector<char> in(tin, tin + ucs4str.size() * 4);
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std::vector<char> res = iconv_convert(ucs2_codeset, ucs4_codeset, in);
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return bytes_to_ucs2(res);
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return ucs4_to_ucs2(&ucs4str[0], ucs4str.size());
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}
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std::vector<unsigned short>
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ucs4_to_ucs2(boost::uint32_t const * s, size_t ls)
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{
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char const * tin = reinterpret_cast<char const *>(s);
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std::vector<char> in(tin, tin + ls * 4);
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std::vector<char> res = iconv_convert(ucs2_codeset, ucs4_codeset, in);
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return bytes_to_ucs2(res);
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static iconv_t cd = (iconv_t)(-1);
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return iconv_convert<unsigned short>(&cd, ucs2_codeset, ucs4_codeset,
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s, ls);
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}
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unsigned short
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ucs4_to_ucs2(boost::uint32_t c)
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{
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char const * tin = reinterpret_cast<char const *>(&c);
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std::vector<char> in(tin, tin + 4);
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std::vector<char> res = iconv_convert(ucs2_codeset, ucs4_codeset, in);
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return bytes_to_ucs2(res)[0];
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boost::uint32_t tmp[] = { c, 0 };
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return ucs4_to_ucs2(tmp, 1)[0];
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}
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std::vector<char> ucs4_to_utf8(std::vector<boost::uint32_t> const & ucs4str)
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{
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char const * tin = reinterpret_cast<char const *>(&ucs4str[0]);
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std::vector<char> in(tin, tin + ucs4str.size() * 4);
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std::vector<char> res = iconv_convert("UTF-8", ucs4_codeset, in);
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return res;
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static iconv_t cd = (iconv_t)(-1);
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return iconv_convert<char>(&cd, "UTF-8", ucs4_codeset,
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&ucs4str[0], ucs4str.size());
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}
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std::vector<char> ucs4_to_utf8(boost::uint32_t c)
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{
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char const * tin = reinterpret_cast<char const *>(&c);
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std::vector<char> in(tin, tin + 4);
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std::vector<char> res = iconv_convert("UTF-8", ucs4_codeset, in);
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return res;
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static iconv_t cd = (iconv_t)(-1);
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return iconv_convert<char>(&cd, "UTF-8", ucs4_codeset, &c, 1);
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}
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