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samples: replace regex

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- GCC 4.8.5 doesn't support regex
This commit is contained in:
Alexander Alekhin 2020-12-05 12:50:37 +00:00
parent 22d64ae08f
commit 08bee40fa2
1 changed files with 18 additions and 4 deletions
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22
samples/dnn/scene_text_detection.cpp
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@ -1,6 +1,5 @@
#include <iostream> #include <iostream>
#include <fstream> #include <fstream>
#include <regex>
#include <opencv2/imgproc.hpp> #include <opencv2/imgproc.hpp>
#include <opencv2/highgui.hpp> #include <opencv2/highgui.hpp>
@ -24,6 +23,21 @@ std::string keys =
"{ evalDataPath edp | | Path to benchmarks for evaluation. " "{ evalDataPath edp | | Path to benchmarks for evaluation. "
"Download links are provided in doc/tutorials/dnn/dnn_text_spotting/dnn_text_spotting.markdown}"; "Download links are provided in doc/tutorials/dnn/dnn_text_spotting/dnn_text_spotting.markdown}";
static
void split(const std::string& s, char delimiter, std::vector<std::string>& elems)
{
elems.clear();
size_t prev_pos = 0;
size_t pos = 0;
while ((pos = s.find(delimiter, prev_pos)) != std::string::npos)
{
elems.emplace_back(s.substr(prev_pos, pos - prev_pos));
prev_pos = pos + 1;
}
if (prev_pos < s.size())
elems.emplace_back(s.substr(prev_pos, s.size() - prev_pos));
}
int main(int argc, char** argv) int main(int argc, char** argv)
{ {
// Parse arguments // Parse arguments
@ -114,9 +128,9 @@ int main(int argc, char** argv)
} }
gtLine = gtLine.substr(0, splitLoc); gtLine = gtLine.substr(0, splitLoc);
std::regex delimiter(","); std::vector<std::string> v;
std::vector<String> v(std::sregex_token_iterator(gtLine.begin(), gtLine.end(), delimiter, -1), split(gtLine, ',', v);
std::sregex_token_iterator());
std::vector<int> loc; std::vector<int> loc;
std::vector<Point> pts; std::vector<Point> pts;
for (auto && s : v) { for (auto && s : v) {