/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012 gnosygnu@gmail.com

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU Affero General Public License for more details.

You should have received a copy of the GNU Affero General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package gplx.langs.htmls; import gplx.*; import gplx.langs.*;
public class Gfh_nde {
	public Gfh_nde(byte[] src, boolean tag_tid_is_inline, int tag_lhs_bgn, int tag_lhs_end, int tag_rhs_bgn, int tag_rhs_end, int name_bgn, int name_end, int[] cur_atrs, int atrs_idx) {
		this.src = src;
		this.tag_tid_is_inline = tag_tid_is_inline;
		this.tag_lhs_bgn = tag_lhs_bgn; this.tag_lhs_end = tag_lhs_end; this.tag_rhs_bgn = tag_rhs_bgn; this.tag_rhs_end = tag_rhs_end; this.name_bgn = name_bgn; this.name_end = name_end;
		if (atrs_idx > 0) {
			atrs = new int[atrs_idx];
			for (int i = 0; i < atrs_idx; i++)
				atrs[i] =  cur_atrs[i];
			atrs_len = atrs_idx / 5;
		}
	}
	public byte[] Src() {return src;} private byte[] src;
	public int[] Atrs() {return atrs;} private int[] atrs = Int_.Ary_empty;
	public int Atrs_len() {return atrs_len;} private int atrs_len;
	public boolean Tag_tid_is_inline() {return tag_tid_is_inline;} private boolean tag_tid_is_inline;
	public int Tag_lhs_bgn() {return tag_lhs_bgn;} public Gfh_nde Tag_lhs_bgn_(int v) {tag_lhs_bgn = v; return this;} private int tag_lhs_bgn;
	public int Tag_lhs_end() {return tag_lhs_end;} public Gfh_nde Tag_lhs_end_(int v) {tag_lhs_end = v; return this;} private int tag_lhs_end;
	public int Tag_rhs_bgn() {return tag_rhs_bgn;} public Gfh_nde Tag_rhs_bgn_(int v) {tag_rhs_bgn = v; return this;} private int tag_rhs_bgn;
	public int Tag_rhs_end() {return tag_rhs_end;} public Gfh_nde Tag_rhs_end_(int v) {tag_rhs_end = v; return this;} private int tag_rhs_end;
	public int Name_bgn() {return name_bgn;} public Gfh_nde Name_bgn_(int v) {name_bgn = v; return this;} private int name_bgn;
	public int Name_end() {return name_end;} public Gfh_nde Name_end_(int v) {name_end = v; return this;} private int name_end;
	public void Clear() {tag_lhs_bgn = tag_rhs_bgn = -1;}
	public String Atrs_val_by_key_str(String find_key_str) {return String_.new_u8(Atrs_val_by_key_bry(Bry_.new_u8(find_key_str)));}
	public byte[] Atrs_val_by_key_bry(byte[] find_key_bry) {
		for (int i = 0; i < atrs_len; i ++) {
			int atrs_idx = i * 5;
			int atr_key_bgn = atrs[atrs_idx + 1];
			int atr_key_end = atrs[atrs_idx + 2];
			if (Bry_.Match(src, atr_key_bgn, atr_key_end, find_key_bry))
				return Atrs_vals_by_pos(src, atrs[atrs_idx + 0], atrs[atrs_idx + 3], atrs[atrs_idx + 4]);
		}
		return null;
	}
	byte[] Atrs_vals_by_pos(byte[] src, int quote_byte, int bgn, int end) {
		Bry_bfr tmp_bfr = Bry_bfr.new_();
		boolean dirty = false;
		for (int i = bgn; i < end; i++) {
			byte b = src[i];
			switch (b) {
				case Byte_ascii.Backslash:
					if (!dirty) {dirty = true; tmp_bfr.Add_mid(src, bgn, i);}
					++i;
					tmp_bfr.Add_byte(src[i]);
					break;
				default:
					if (b == quote_byte) {
						byte next_byte = src[i + 1];
						if (next_byte == b) {
							if (!dirty) {dirty = true; tmp_bfr.Add_mid(src, bgn, i);}
							++i;
							tmp_bfr.Add_byte(src[i]);							
						}
					}
					else {
						if (dirty)
							tmp_bfr.Add_byte(b);
					}
					break;
			}
		}
		return dirty ? tmp_bfr.To_bry_and_clear() : Bry_.Mid(src, bgn, end);
	}
	public byte[] Data(byte[] src) {
		return Bry_.Mid(src, tag_lhs_end, tag_rhs_bgn);
	}
}
//	class Xoh_atr {
//		public byte[] Key_bry() {return key_bry;} private byte[] key_bry;
//		public byte[] Val_bry() {return val_bry;} private byte[] val_bry;
//		public int Key_bgn() {return key_bgn;} private int key_bgn;
//		public int Key_end() {return key_end;} private int key_end;
//		public int Val_bgn() {return val_bgn;} private int val_bgn;
//		public int Val_end() {return val_end;} private int val_end;
//		public byte Val_quote_tid() {return val_quote_tid;} private byte val_quote_tid;
//	}