1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
#include <seqan/sequence.h>
#include <seqan/stream.h>
using namespace seqan2;
int main()
{
// Creating text
String<char> text = "to be";
std::cout << text << std::endl;
appendValue(text, ' ');
std::cout << "Last sign is whitespace? " << endsWith(text, " ") << std::endl;
// Erasing whitespaces in text
eraseBack(text);
erase(text, 2);
// Appending another string
append(text, "ornottobe");
std::cout << text << std::endl;
// Pattern
String<char> pattern = "be";
// Number of consecutive matching characters per position
String<int> score;
resize(score, length(text) - length(pattern) + 1);
// Brute force pattern matching for every position
for (unsigned i = 0; i < length(text) - length(pattern) + 1; ++i)
{
int localScore = 0;
for (unsigned j = 0; j < length(pattern); ++j)
if (text[i + j] == pattern[j])
++localScore;
score[i] = localScore;
}
std::cout << "hit at ";
for (unsigned i = 0; i < length(score); ++i)
if (score[i] == (int)length(pattern))
std::cout << i << " ";
std::cout << std::endl;
return 0;
}
|