int main (int argc, char *argv[])
{
#ifndef OMIT_ICONV /* only if ICONV is supported */
void * converter;
char *test_str1;
int err;
asprintf(&test_str1, "Hello World");
gaiaConvertCharset(&test_str1, "ASCII", "UTF-8");
if (strcmp(test_str1, "Hello World") != 0) {
fprintf(stderr, "bad ASCII to UTF-8 conversion: %s\n", test_str1);
free(test_str1);
return -1;
}
free(test_str1);
#if 0
/* TODO: this will cause a buffer overflow */
asprintf(&test_str1, "Hello World");
gaiaConvertCharset(&test_str1, "ASCII", "UTF-16LE");
if (memcmp(test_str1, "H\0e\0l\0l\0o\0 \0W\0o\0r\0l\0d\0\0\0", 24) != 0) {
fprintf(stderr, "bad ASCII to UTF-16LE conversion\n");
free(test_str1);
return -2;
}
free(test_str1);
#endif
converter = gaiaCreateUTF8Converter ("CP1252");
if (! converter) {
fprintf(stderr, "null UTF8 converter\n");
return -3;
}
test_str1 = gaiaConvertToUTF8(converter, "Hello world", strlen("Hello world"), &err);
if (memcmp("Hello world", test_str1, strlen("Hello world") + 1) != 0) {
fprintf(stderr, "bad conversion to UTF8: %s\n", test_str1);
free(test_str1);
return -4;
}
free(test_str1);
gaiaFreeUTF8Converter (converter);
converter = NULL;
/* test null converter */
gaiaFreeUTF8Converter (converter);
test_str1 = gaiaConvertToUTF8(converter, "Hello world", strlen("Hello world"), &err);
if ((test_str1 != NULL) || (err != 1)) {
fprintf(stderr, "unexpected null converter result: %s, %i\n", test_str1, err);
return -5;
}
/* there is no sane way to test this automatically */
printf("Local codeset: %s\n", gaiaGetLocaleCharset() );
#endif /* end ICONV conditional */
return 0;
}
GAIAGEO_DECLARE gaiaTextReaderPtr
gaiaTextReaderAlloc (const char *path, char field_separator,
char text_separator, char decimal_separator,
int first_line_titles, const char *encoding)
{
/* allocating the main TXT-Reader */
int col;
gaiaTextReaderPtr reader;
FILE *in = fopen (path, "rb"); /* opening the input file */
if (in == NULL)
return NULL;
/* allocating and initializing the struct */
reader = malloc (sizeof (gaiaTextReader));
if (!reader)
{
fclose (in);
return NULL;
}
reader->text_file = in;
reader->field_separator = field_separator;
reader->text_separator = text_separator;
reader->decimal_separator = decimal_separator;
reader->first_line_titles = first_line_titles;
reader->toUtf8 = gaiaCreateUTF8Converter (encoding);
if (reader->toUtf8 == (void *) 0)
{
fclose (in);
return NULL;
}
reader->error = 0;
reader->first = NULL;
reader->last = NULL;
reader->rows = NULL;
reader->num_rows = 0;
reader->line_no = 0;
reader->max_fields = 0;
reader->max_current_field = 0;
reader->current_line_ready = 0;
reader->current_buf_sz = 1024;
reader->line_buffer = malloc (1024);
reader->field_buffer = malloc (1024);
if (reader->line_buffer == NULL || reader->field_buffer == NULL)
{
/* insufficient memory: no input buffers */
gaiaTextReaderDestroy (reader);
return NULL;
}
for (col = 0; col < VRTTXT_FIELDS_MAX; col++)
{
/* initializing column headers */
reader->columns[col].name = NULL;
reader->columns[col].type = VRTTXT_NULL;
}
return reader;
}
