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Parser: Return length of 0 for empty arrays [#668]

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gnosygnu 2020-02-17 08:47:34 -05:00
parent a5cbc4ede9
commit bae9ba9e7a
2 changed files with 48 additions and 0 deletions
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1
400_xowa/src/gplx/xowa/parsers/Xop_parser.java
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@ -120,6 +120,7 @@ public class Xop_parser { // NOTE: parsers are reused; do not keep any read-writ
ctx.Parse_tid_(parse_tid_old);
}
public int Parse_to_src_end(Xop_root_tkn root, Xop_ctx ctx, Xop_tkn_mkr tkn_mkr, byte[] src, Btrie_fast_mgr trie, int pos, int len) {
if (Bry_.Len_eq_0(src)) return 0; // if empty array, return 0, else IndexError; PAGE:commons.wikimedia.org/wiki/File:England_in_the_UK_and_Europe.svg; ISSUE#:668; DATE:2020-02-17
byte b = pos == -1 ? Byte_ascii.Nl : src[pos]; // simulate newLine at bgn of src; needed for lxrs which rely on \n (EX: "=a=")
int txt_bgn = pos == -1 ? 0 : pos; Xop_tkn_itm txt_tkn = null;
Btrie_rv trv = new Btrie_rv();

47
400_xowa/src/gplx/xowa/parsers/Xop_parser_tst.java Normal file
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@ -0,0 +1,47 @@
/*
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.xowa.parsers; import gplx.*; import gplx.xowa.*;
import org.junit.*; import gplx.core.tests.*;
import gplx.core.btries.*;
public class Xop_parser_tst {
private final Xop_parser_fxt fxt = new Xop_parser_fxt();
@Test public void Parse_to_src_end() {// if empty array, return 0, else IndexError; PAGE:commons.wikimedia.org/wiki/File:England_in_the_UK_and_Europe.svg; ISSUE#:668; DATE:2020-02-17
fxt.Test__Parse_to_src_end("", 0, Bool_.Y, 0);
}
}
class Xop_parser_fxt {
private Xoae_app app;
private Xowe_wiki wiki;
private Xop_lxr_mgr tmpl_lxr_mgr, wiki_lxr_mgr;
public Xop_parser_fxt() {
this.app = Xoa_app_fxt.Make__app__edit();
this.wiki = Xoa_app_fxt.Make__wiki__edit(app);
tmpl_lxr_mgr = Xop_lxr_mgr.new_tmpl_();
wiki_lxr_mgr = Xop_lxr_mgr.new_wiki_();
}
public void Test__Parse_to_src_end(String src_str, int pos, boolean parse_is_tmpl, int expd) {
// init
byte[] src = Bry_.new_u8(src_str);
Xop_ctx ctx = Xop_ctx.New__top(wiki);
Xop_tkn_mkr tkn_mkr = ctx.Tkn_mkr();
Xop_root_tkn root = tkn_mkr.Root(src);
Xop_parser parser = wiki.Parser_mgr().Main();
Btrie_fast_mgr trie = parse_is_tmpl ? tmpl_lxr_mgr.Trie() : wiki_lxr_mgr.Trie();
int actl = parser.Parse_to_src_end(root, ctx, tkn_mkr, src, trie, pos, src.length);
Gftest.Eq__int(expd, actl);
}
}