positionalTokenIndex_filter [1025694]

< > BotCompany Repo | #1025694 // positionalTokenIndex_filter

JavaX fragment (include) [tags: use-pretranspiled]

// use "*" as wildcard
// may return null, and returned list is "volatile" (only valid as long as the index is not changed)
static LLS positionalTokenIndex_filter(PositionalTokenIndex idx, LS tok) {
  int cutOff = 1; // if we find a list shorter than this, we just return it. must be at least 1
  LLS shortestList = null;
  for (int i = 1; i < l(tok); i += 2) {
    S t = tok.get(i);
    if (!eq(t, "*")) {
      LLS list = idx.byToken(i/2, t);
      if (l(list) < cutOff) ret list;
      if (shortestList == null || l(list) < l(shortestList))
        shortestList = list;
    }
  }
  if (shortestList == null) // pattern must be all wildcards - return full list
    ret idx.fullList();
  ret shortestList;
}

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Snippet ID:

#1025694

Snippet name:

positionalTokenIndex_filter

Eternal ID of this version:

#1025694/3

Text MD5:

df91f00ebfa3ecd27959c9019b31590a

Transpilation MD5:

a6963504a6f8519a0af2746cdc087f22

Author:

stefan

Category:

javax / agi.blue

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2019-10-13 23:06:37

Source code size:

725 bytes / 18 lines

Pitched / IR pitched:

No / No

Views / Downloads:

226 / 332

Version history:

2 change(s)

Referenced in:

[show references]

1	// use "*" as wildcard
2	// may return null, and returned list is "volatile" (only valid as long as the index is not changed)
3	static LLS positionalTokenIndex_filter(PositionalTokenIndex idx, LS tok) {
4	int cutOff = 1; // if we find a list shorter than this, we just return it. must be at least 1
5	LLS shortestList = null;
6	for (int i = 1; i < l(tok); i += 2) {
7	S t = tok.get(i);
8	if (!eq(t, "*")) {
9	LLS list = idx.byToken(i/2, t);
10	if (l(list) < cutOff) ret list;
11	if (shortestList == null \|\| l(list) < l(shortestList))
12	shortestList = list;
13	}
14	}
15	if (shortestList == null) // pattern must be all wildcards - return full list
16	ret idx.fullList();
17	ret shortestList;
18	}