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Consolidate print_col functions into backend.c

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This commit is contained in:
Evan Miller
2020-09-02 20:38:15 -04:00
parent 3b20a5aabd
commit aa0ce8fb3e
4 changed files with 57 additions and 106 deletions
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50
src/libmdb/backend.c
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@@ -943,3 +943,53 @@ mdb_print_schema(MdbHandle *mdb, FILE *outfile, char *tabname, char *dbnamespace
}
}
}
#define is_binary_type(x) (x==MDB_OLE || x==MDB_BINARY || x==MDB_REPID)
#define is_quote_type(x) (is_binary_type(x) || x==MDB_TEXT || x==MDB_MEMO || x==MDB_DATETIME)
//#define DONT_ESCAPE_ESCAPE
void
mdb_print_col(FILE *outfile, gchar *col_val, int quote_text, int col_type, int bin_len, char *quote_char, char *escape_char, int bin_mode)
/* quote_text: Don't quote if 0.
*/
{
size_t quote_len = strlen(quote_char); /* multibyte */
size_t orig_escape_len = escape_char ? strlen(escape_char) : 0;
/* double the quote char if no escape char passed */
if (!escape_char)
escape_char = quote_char;
if (quote_text && is_quote_type(col_type)) {
fputs(quote_char, outfile);
while (1) {
if (is_binary_type(col_type)) {
if (bin_mode == MDB_BINEXPORT_STRIP)
break;
if (!bin_len--)
break;
} else /* use \0 sentry */
if (!*col_val)
break;
int is_binary_hex_col = is_binary_type(col_type) && bin_mode == MDB_BINEXPORT_HEXADECIMAL;
if (quote_len && !strncmp(col_val, quote_char, quote_len) && !is_binary_hex_col) {
fprintf(outfile, "%s%s", escape_char, quote_char);
col_val += quote_len;
#ifndef DONT_ESCAPE_ESCAPE
} else if (orig_escape_len && !strncmp(col_val, escape_char, orig_escape_len) && !is_binary_hex_col) {
fprintf(outfile, "%s%s", escape_char, escape_char);
col_val += orig_escape_len;
#endif
} else if (is_binary_type(col_type) && bin_mode == MDB_BINEXPORT_OCTAL) {
fprintf(outfile, "\\%03o", *(unsigned char*)col_val++);
} else if (is_binary_hex_col) {
fprintf(outfile, "%02X", *(unsigned char*)col_val++);
} else
putc(*col_val++, outfile);
}
fputs(quote_char, outfile);
} else
fputs(col_val, outfile);
}