lines_honoringBrackets - like lines, but keeps bracket-enclosed lines together [1025609]

< > BotCompany Repo | #1025609 // lines_honoringBrackets - like lines, but keeps bracket-enclosed lines together

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

/* input e.g.:

  if (a
    and b)
    bla;
    
  This will yield ("if (a\n  and b)", "  bla;")
  
  Note: doesn't support multi-line strings
*/
static LS lines_honoringBrackets(S text) {
  LS lines = lines(text);
  new LS out;
  int bracketLevel = 0; // how many open brackets
  int start = 0; // line where current block starts
  for i over lines: {
    LS tok = javaTok(lines.get(i));
    for (int j = 1; j < l(tok); j += 2) {
      S t = tok.get(j);
      if (eqOneOf(t, "(", "{", "[")) ++bracketLevel;
      else if (eqOneOf(t, ")", "}", "]")) --bracketLevel;
    }
    if (bracketLevel == 0) {
      out.add(lines_rtrim(subList(lines, start, i+1)));
      start = i+1;
    }
  }
  addIfNempty(out, lines_rtrim(subList(lines, start)));
  ret out;
}

Author comment

Began life as a copy of #1024308

Travelled to 6 computer(s): bhatertpkbcr, mqqgnosmbjvj, pyentgdyhuwx, pzhvpgtvlbxg, tvejysmllsmz, vouqrxazstgt

Snippet ID:

#1025609

Snippet name:

lines_honoringBrackets - like lines, but keeps bracket-enclosed lines together

Eternal ID of this version:

#1025609/3

Text MD5:

5663a42b796fb6db8de1b1d2c8fe2c24

Transpilation MD5:

74d975790ef45a75ad37eb9c66bd966b

Author:

stefan

Category:

javax / parsing

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2019-10-26 03:11:09

Source code size:

783 bytes / 30 lines

Pitched / IR pitched:

No / No

Views / Downloads:

514 / 637

Version history:

2 change(s)

Referenced in:

[show references]

1	/* input e.g.:
2
3	if (a
4	and b)
5	bla;
6
7	This will yield ("if (a\n and b)", " bla;")
8
9	Note: doesn't support multi-line strings
10	*/
11	static LS lines_honoringBrackets(S text) {
12	LS lines = lines(text);
13	new LS out;
14	int bracketLevel = 0; // how many open brackets
15	int start = 0; // line where current block starts
16	for i over lines: {
17	LS tok = javaTok(lines.get(i));
18	for (int j = 1; j < l(tok); j += 2) {
19	S t = tok.get(j);
20	if (eqOneOf(t, "(", "{", "[")) ++bracketLevel;
21	else if (eqOneOf(t, ")", "}", "]")) --bracketLevel;
22	}
23	if (bracketLevel == 0) {
24	out.add(lines_rtrim(subList(lines, start, i+1)));
25	start = i+1;
26	}
27	}
28	addIfNempty(out, lines_rtrim(subList(lines, start)));
29	ret out;
30	}