Function FormatCapture

extern/re2/re2/testing/tester.cc:115–122

Formats a single capture range s in text in the form (a,b) where a and b are the starting and ending offsets of s in text.

// Formats a single capture range s in text in the form (a,b)
// where a and b are the starting and ending offsets of s in text.
static std::string FormatCapture(const StringPiece& text,
                                 const StringPiece& s) {
  if (s.data() == NULL)
    return "(?,?)";
  return StringPrintf("(%td,%td)",
                      s.begin() - text.begin(),
                      s.end() - text.begin());
}

// Returns whether text contains non-ASCII (>= 0x80) bytes.
static bool NonASCII(const StringPiece& text) {