diff options
| -rw-r--r-- | core/ustring.cpp | 40 |
1 files changed, 18 insertions, 22 deletions
diff --git a/core/ustring.cpp b/core/ustring.cpp index 51f05468e2..bee5f5ffdb 100644 --- a/core/ustring.cpp +++ b/core/ustring.cpp @@ -757,36 +757,32 @@ Vector<String> String::rsplit(const String &p_splitter, bool p_allow_empty, int Vector<String> ret; const int len = length(); - int from = len; + int remaining_len = len; while (true) { - int end = rfind(p_splitter, from); - if (end < 0) - end = 0; - - if (p_allow_empty || (end < from)) { - const String str = substr(end > 0 ? end + p_splitter.length() : end, end > 0 ? from - end : from + 2); - - if (p_maxsplit <= 0) { - ret.push_back(str); - } else if (p_maxsplit > 0) { - - // Put rest of the string and leave cycle. - if (p_maxsplit == ret.size()) { - ret.push_back(substr(0, from + 2)); - break; - } - - // Otherwise, push items until positive limit is reached. - ret.push_back(str); + if (remaining_len < p_splitter.length() || (p_maxsplit > 0 && p_maxsplit == ret.size())) { + // no room for another splitter or hit max splits, push what's left and we're done + if (p_allow_empty || remaining_len > 0) { + ret.push_back(substr(0, remaining_len)); } + break; } - if (end == 0) + int left_edge = rfind(p_splitter, remaining_len - p_splitter.length()); + + if (left_edge < 0) { + // no more splitters, we're done + ret.push_back(substr(0, remaining_len)); break; + } + + int substr_start = left_edge + p_splitter.length(); + if (p_allow_empty || substr_start < remaining_len) { + ret.push_back(substr(substr_start, remaining_len - substr_start)); + } - from = end - p_splitter.length(); + remaining_len = left_edge; } ret.invert(); |