tok_findEndOfBlock_IContentsIndexedList2 [1034666]

< > BotCompany Repo | #1034666 // tok_findEndOfBlock_IContentsIndexedList2

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

// i must point at the (possibly imaginary) opening bracket ("{")
// index returned is index of closing bracket + 1 (or l(tok))

// TODO: could use iterator to be even faster

static int tok_findEndOfBlock_IContentsIndexedList2(IContentsIndexedList2<S> tok, int i) {
  int n = l(tok);
  
  // find opening & closing brackets after start index
  
  TreeSet<HasIndex> openers = tok.indicesOf_treeSetOfHasIndex("{");
  TreeSet<HasIndex> closers = tok.indicesOf_treeSetOfHasIndex("}");

  // now step through both sets
  
  int level = 1;
  HasIndex start = new(i);
  HasIndex nextOpener = openers.higher(start);
  HasIndex nextCloser = closers.higher(start);

  while true {
    if (nextCloser == null) ret n; // block isn't closed
    
    if (nextOpener != null && nextOpener.idx < nextCloser.idx) {
      // process opener
      ++level;
      nextOpener = openers.higher(nextOpener);
    } else {
      // process closer
      if (--level == 0)
        ret nextCloser.idx+1;
      nextCloser = closers.higher(nextCloser);
    }
  }
}

Author comment

Began life as a copy of #1025221

Travelled to 3 computer(s): bhatertpkbcr, mowyntqkapby, mqqgnosmbjvj

Snippet ID:

#1034666

Snippet name:

tok_findEndOfBlock_IContentsIndexedList2

Eternal ID of this version:

#1034666/3

Text MD5:

5ff30397f2d98fb74710d6da5c60d34a

Transpilation MD5:

6b39a5c815a279a849f9ffe4f09caa7b

Author:

stefan

Category:

javax / transpiling

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2022-03-01 15:50:59

Source code size:

1068 bytes / 35 lines

Pitched / IR pitched:

No / No

Views / Downloads:

63 / 110

Version history:

2 change(s)

Referenced in:

[show references]

1	// i must point at the (possibly imaginary) opening bracket ("{")
2	// index returned is index of closing bracket + 1 (or l(tok))
3
4	// TODO: could use iterator to be even faster
5
6	static int tok_findEndOfBlock_IContentsIndexedList2(IContentsIndexedList2<S> tok, int i) {
7	int n = l(tok);
8
9	// find opening & closing brackets after start index
10
11	TreeSet<HasIndex> openers = tok.indicesOf_treeSetOfHasIndex("{");
12	TreeSet<HasIndex> closers = tok.indicesOf_treeSetOfHasIndex("}");
13
14	// now step through both sets
15
16	int level = 1;
17	HasIndex start = new(i);
18	HasIndex nextOpener = openers.higher(start);
19	HasIndex nextCloser = closers.higher(start);
20
21	while true {
22	if (nextCloser == null) ret n; // block isn't closed
23
24	if (nextOpener != null && nextOpener.idx < nextCloser.idx) {
25	// process opener
26	++level;
27	nextOpener = openers.higher(nextOpener);
28	} else {
29	// process closer
30	if (--level == 0)
31	ret nextCloser.idx+1;
32	nextCloser = closers.higher(nextCloser);
33	}
34	}
35	}