stringListOpsTemplates.C
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25 
26 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
27 
28 template<class Matcher, class StringType>
30 (
31  const Matcher& matcher,
32  const UList<StringType>& lst,
33  const bool invert
34 )
35 {
36  labelList indices(lst.size());
37 
38  label nElem = 0;
39  forAll(lst, elemI)
40  {
41  if (matcher.match(lst[elemI]) ? !invert : invert)
42  {
43  indices[nElem++] = elemI;
44  }
45  }
46  indices.setSize(nElem);
47 
48  return indices;
49 }
50 
51 
52 template<class Matcher, class StringListType>
53 StringListType Foam::subsetMatchingStrings
54 (
55  const Matcher& matcher,
56  const StringListType& lst,
57  const bool invert
58 )
59 {
60  // Create copy
61  StringListType newLst(lst.size());
62 
63  // ensure consistent addressable size (eg, DynamicList)
64  newLst.setSize(lst.size());
65 
66  label nElem = 0;
67  forAll(lst, elemI)
68  {
69  if (matcher.match(lst[elemI]) ? !invert : invert)
70  {
71  newLst[nElem++] = lst[elemI];
72  }
73  }
74  newLst.setSize(nElem);
75 
76  return newLst;
77 }
78 
79 
80 template<class Matcher, class StringListType>
82 (
83  const Matcher& matcher,
84  StringListType& lst,
85  const bool invert
86 )
87 {
88  label nElem = 0;
89  forAll(lst, elemI)
90  {
91  if (matcher.match(lst[elemI]) ? !invert : invert)
92  {
93  lst[nElem++] = lst[elemI];
94  }
95  }
96  lst.setSize(nElem);
97 }
98 
99 
100 // ************************************************************************* //
StringListType subsetMatchingStrings(const Matcher &, const StringListType &, const bool invert=false)
Extract elements of StringList when regular expression matches.
void inplaceSubsetMatchingStrings(const Matcher &, StringListType &, const bool invert=false)
Inplace extract elements of StringList when regular expression matches.
intWM_LABEL_SIZE_t label
A label is an int32_t or int64_t as specified by the pre-processor macro WM_LABEL_SIZE.
Definition: label.H:59
labelList findMatchingStrings(const Matcher &, const UList< StringType > &, const bool invert=false)
Return list indices for matching strings.
#define forAll(list, i)
Definition: UList.H:421
labelList invert(const label len, const labelUList &)
Invert one-to-one map. Unmapped elements will be -1.
Definition: ListOps.C:37
List< label > labelList
A List of labels.
Definition: labelList.H:56