/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com
XOWA is licensed under the terms of the General Public License (GPL) Version 3,
or alternatively under the terms of the Apache License Version 2.0.
You may use XOWA according to either of these licenses as is most appropriate
for your project on a case-by-case basis.
The terms of each license can be found in the source code repository:
GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
*/
package gplx.core.flds; import gplx.*; import gplx.core.*;
import gplx.core.encoders.*;
public class Gfo_fld_rdr extends Gfo_fld_base {
private Bry_bfr bfr = Bry_bfr_.New();
public byte[] Data() {return data;} public Gfo_fld_rdr Data_(byte[] v) {data = v; data_len = v.length; pos = 0; return this;} private byte[] data; int data_len;
public int Pos() {return pos;} public Gfo_fld_rdr Pos_(int v) {pos = v; return this;} private int pos;
public int Fld_bgn() {return fld_bgn;} public Gfo_fld_rdr Fld_bgn_(int v) {fld_bgn = v; return this;} private int fld_bgn;
public int Fld_end() {return fld_end;} public Gfo_fld_rdr Fld_end_(int v) {fld_end = v; return this;} private int fld_end;
public int Fld_idx() {return fld_idx;} private int fld_idx;
public int Row_idx() {return row_idx;} private int row_idx;
public void Ini(byte[] data, int pos) {this.data = data; this.data_len = data.length; this.pos = pos;}
public String Read_str_simple() {Move_next_simple(); return String_.new_u8(data, fld_bgn, fld_end);}
public byte[] Read_bry_simple() {Move_next_simple(); return Bry_.Mid(data, fld_bgn, fld_end);} // was Mid_by_len???; 20120915
public int Read_int_base85_lenN(int len) {fld_bgn = pos; fld_end = pos + len - 1 ; pos = pos + len + 1 ; return Base85_.To_int_by_bry(data, fld_bgn, fld_end);}
public int Read_int_base85_len5() {fld_bgn = pos; fld_end = pos + 4 ; pos = pos + 6 ; return Base85_.To_int_by_bry(data, fld_bgn, fld_end);}
public int Read_int() {Move_next_simple(); return Bry_.To_int_or(data, fld_bgn, fld_end, -1);}
public byte Read_int_as_byte() {Move_next_simple(); return (byte)Bry_.To_int_or(data, fld_bgn, fld_end, -1);}
public byte Read_byte() {Move_next_simple(); return data[fld_bgn];}
public double Read_double() {Move_next_simple(); return Bry_.To_double(data, fld_bgn, fld_end);}
public DateAdp Read_dte() {// NOTE: fmt = yyyyMMdd HHmmss.fff
int y = 0, M = 0, d = 0, H = 0, m = 0, s = 0, f = 0;
if (pos < data_len && data[pos] == row_dlm) {++pos; ++row_idx; fld_idx = 0;} fld_bgn = pos;
y += (data[fld_bgn + 0] - Byte_ascii.Num_0) * 1000;
y += (data[fld_bgn + 1] - Byte_ascii.Num_0) * 100;
y += (data[fld_bgn + 2] - Byte_ascii.Num_0) * 10;
y += (data[fld_bgn + 3] - Byte_ascii.Num_0);
M += (data[fld_bgn + 4] - Byte_ascii.Num_0) * 10;
M += (data[fld_bgn + 5] - Byte_ascii.Num_0);
d += (data[fld_bgn + 6] - Byte_ascii.Num_0) * 10;
d += (data[fld_bgn + 7] - Byte_ascii.Num_0);
H += (data[fld_bgn + 9] - Byte_ascii.Num_0) * 10;
H += (data[fld_bgn + 10] - Byte_ascii.Num_0);
m += (data[fld_bgn + 11] - Byte_ascii.Num_0) * 10;
m += (data[fld_bgn + 12] - Byte_ascii.Num_0);
s += (data[fld_bgn + 13] - Byte_ascii.Num_0) * 10;
s += (data[fld_bgn + 14] - Byte_ascii.Num_0);
f += (data[fld_bgn + 16] - Byte_ascii.Num_0) * 100;
f += (data[fld_bgn + 17] - Byte_ascii.Num_0) * 10;
f += (data[fld_bgn + 18] - Byte_ascii.Num_0);
if (data[fld_bgn + 19] != fld_dlm) throw Err_.new_wo_type("csv date is invalid", "txt", String_.new_u8__by_len(data, fld_bgn, 20));
fld_end = pos + 20;
pos = fld_end + 1; ++fld_idx;
return DateAdp_.new_(y, M, d, H, m, s, f);
}
public void Move_next_simple() {
if (pos < data_len) {
byte b_cur = data[pos];
if (b_cur == row_dlm) {
fld_bgn = fld_end = pos;
++pos; ++row_idx;
fld_idx = 0;
return;
}
}
fld_bgn = pos;
if (fld_bgn == data_len) {fld_end = data_len; return;}
for (int i = fld_bgn; i < data_len; i++) {
byte b = data[i];
if (b == fld_dlm || b == row_dlm) {
fld_end = i; pos = i + 1; ++fld_idx; // position after dlm
return;
}
}
throw Err_.new_wo_type("fld_dlm failed", "fld_dlm", (char)fld_dlm, "bgn", fld_bgn);
}
public String Read_str_escape() {Move_next_escaped(bfr); return String_.new_u8(bfr.To_bry_and_clear());}
public byte[] Read_bry_escape() {Move_next_escaped(bfr); return bfr.To_bry_and_clear();}
public void Move_1() {++pos;}
public void Move_next_escaped() {Move_next_escaped(bfr); bfr.Clear();}
public int Move_next_simple_fld() {
Move_next_simple();
return fld_end;
}
public int Move_next_escaped(Bry_bfr trg) {
//if (pos < data_len && data[pos] == row_dlm) {++pos; ++row_idx; fld_idx = 0;} // REMOVE:20120919: this will fail for empty fields at end of line; EX: "a|\n"; intent was probably to auto-advance to new row, but this intent should be explicit
fld_bgn = pos;
boolean quote_on = false;
for (int i = fld_bgn; i < data_len; i++) {
byte b = data[i];
if ((b == fld_dlm || b == row_dlm) && !quote_on) {
fld_end = i; pos = i + 1; ++fld_idx; // position after dlm
return pos;
}
else if (b == escape_dlm) {
++i;
// if (i == data_len) throw Err_.new_wo_type("escape char at end of String");
b = data[i];
byte escape_val = decode_regy[b];
if (escape_val == Byte_ascii.Null) {trg.Add_byte(escape_dlm).Add_byte(b);} //throw Err_.new_fmt_("unknown escape key: key={0}", data[i]);
else trg.Add_byte(escape_val);
}
else if (b == Byte_ascii.Null) {
trg.Add(Bry_nil);
}
else if (b == quote_dlm) {
quote_on = !quote_on;
}
else
trg.Add_byte(b);
}
return -1;
}
public Gfo_fld_rdr Ctor_xdat() {return (Gfo_fld_rdr)super.Ctor_xdat_base();}
public Gfo_fld_rdr Ctor_sql() {return (Gfo_fld_rdr)super.Ctor_sql_base();}
public static Gfo_fld_rdr xowa_() {return new Gfo_fld_rdr().Ctor_xdat();}
public static Gfo_fld_rdr sql_() {return new Gfo_fld_rdr().Ctor_sql();}
private static final byte[] Bry_nil = Bry_.new_a7("\\0");
}