mirror of
https://github.com/moses-smt/mosesdecoder.git
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29 lines
708 B
C++
29 lines
708 B
C++
#include "Util2.h"
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#include "util/exception.hh"
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namespace Moses2
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{
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class BoolValueException : public util::Exception {};
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template<>
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bool Scan<bool>(const std::string &input)
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{
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std::string lc = ToLower(input);
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if (lc == "yes" || lc == "y" || lc == "true" || lc == "1")
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return true;
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if (lc == "no" || lc == "n" || lc =="false" || lc == "0")
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return false;
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UTIL_THROW(BoolValueException, "Could not interpret " << input << " as a boolean. After lowercasing, valid values are yes, y, true, 1, no, n, false, and 0.");
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}
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const std::string ToLower(const std::string& str)
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{
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std::string lc(str);
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std::transform(lc.begin(), lc.end(), lc.begin(), (int(*)(int))std::tolower);
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return lc;
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}
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}
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