Added to the sample, demonstrating FileStorage, how to read/write data from/to std::string.
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@ -150,7 +150,37 @@ int main(int ac, char** av)
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}
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}
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cout << "Try opening " << filename << " to see the serialized data." << endl;
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cout << "Try opening " << filename << " to see the serialized data." << endl << endl;
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//read from string
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{
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cout << "Read data from string\n";
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string dataString =
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"%YAML:1.0\n"
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"mdata:\n"
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" A: 97\n"
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" X: 3.1415926535897931e+00\n"
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" id: mydata1234\n";
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MyData m;
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FileStorage fs(dataString, FileStorage::READ | FileStorage::MEMORY | FileStorage::FORMAT_YAML);
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cout << "attempting to read mdata_b from string\n"; //Show default behavior for empty matrix
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fs["mdata"] >> m;
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cout << "read mdata\n";
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cout << m << endl;
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}
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//write to string
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{
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cout << "Write data to string\n";
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FileStorage fs(filename, FileStorage::WRITE | FileStorage::MEMORY | FileStorage::FORMAT_YAML);
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cout << "writing MyData struct\n";
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MyData m(1);
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fs << "mdata" << m;
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cout << m << endl;
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string createdString = fs.releaseAndGetString();
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cout << "Created string:\n" << createdString << "\n";
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}
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return 0;
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return 0;
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}
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}
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