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#include <BH/IO.h>
#include <BH/String.h>
#include <stdlib.h>
#include <stdio.h>
void printUsage(void)
{
printf("Utf8Test <input> <output>\n");
exit(1);
}
int main(int argc, char **argv)
{
BH_IO *inFile, *outFile;
char inBuffer[8], outBuffer[8];
uint32_t unit;
size_t i, inSize, outSize;
if (argc < 2)
printUsage();
inFile = BH_FileNew(argv[1], BH_FILE_READ | BH_FILE_EXIST, NULL);
outFile = BH_FileNew(argv[2], BH_FILE_WRITE | BH_FILE_TRUNCATE, NULL);
if (!inFile || !outFile)
return -1;
inSize = 0;
while (1)
{
/* Read one byte and try to decode */
if (!inSize || !(outSize = BH_UnicodeDecodeUtf8(inBuffer, inSize, &unit)))
{
BH_IOPeek(inFile, inBuffer + inSize, 1, &outSize);
BH_IORead(inFile, inBuffer + inSize, 1, &outSize);
inSize += outSize;
if (!outSize)
break;
continue;
}
/* Remove readed amount */
for (i = 0; i < inSize - outSize; i++)
inBuffer[i] = inBuffer[i + outSize];
inSize -= outSize;
/* Change unit if incorrect and write to output */
if (unit == -1)
unit = 0xFFFD;
outSize = BH_UnicodeEncodeUtf8(unit, outBuffer);
BH_IOWrite(outFile, outBuffer, outSize, NULL);
}
/* Incomplete UTF-8 sequence */
if (inSize)
{
outSize = BH_UnicodeEncodeUtf8(0xFFFD, outBuffer);
BH_IOWrite(outFile, outBuffer, outSize, NULL);
}
BH_IOFree(inFile);
BH_IOFree(outFile);
return 0;
}
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