59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
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#include "serialize.h"
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#include <string.h>
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#include <iconv.h>
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using namespace std;
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refptr< vector<unichar_t> > deserialize(const char * encoding, istream & in)
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{
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const int buf_size = 200;
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int num_read;
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char inbuf[buf_size];
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char * inbuf_ptr = (char *) &inbuf[0];
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unichar_t outbuf[buf_size];
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char * outbuf_ptr;
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size_t chars_converted, inbytesleft = 0, outbytesleft;
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refptr< vector<unichar_t> > ucs = new vector<unichar_t>();
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iconv_t cd = iconv_open(encoding, "UTF-32");
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if (cd == (iconv_t) -1)
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{
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cerr << "iconv_open() error" << endl;
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return NULL;
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}
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for (;;)
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{
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in.read(inbuf_ptr, sizeof(inbuf) - inbytesleft);
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num_read = in.gcount();
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cout << "num_read: " << num_read << endl;
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if (num_read <= 0)
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break;
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inbytesleft += num_read;
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outbuf_ptr = (char *) &outbuf[0];
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outbytesleft = sizeof(outbuf);
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cout << "before inbytesleft: " << inbytesleft << ", outbytesleft: " << outbytesleft << endl;
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chars_converted = iconv(cd, &inbuf_ptr, &inbytesleft,
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&outbuf_ptr, &outbytesleft);
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cout << "chars_converted: " << chars_converted << endl;
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cout << "after inbytesleft: " << inbytesleft << ", outbytesleft: " << outbytesleft << endl;
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if (inbytesleft > 0)
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{
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memmove(&inbuf[0], inbuf_ptr, inbytesleft);
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}
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inbuf_ptr = ((char *) &inbuf[0]) + inbytesleft;
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for (int i = 0;
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i < ((sizeof(outbuf) - outbytesleft) / sizeof(outbuf[0]));
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i++)
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{
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ucs->push_back(outbuf[i]);
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}
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if (in.eof())
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break;
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}
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iconv_close(cd);
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return ucs;
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}
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