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51 lines
1.5 KiB
C++
51 lines
1.5 KiB
C++
#ifndef OPENMW_COMPONENTS_FALLBACK_VALIDATE_H
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#define OPENMW_COMPONENTS_FALLBACK_VALIDATE_H
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#include <boost/program_options.hpp>
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#include <components/files/escape.hpp>
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// Parses and validates a fallback map from boost program_options.
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// Note: for boost to pick up the validate function, you need to pull in the namespace e.g.
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// by using namespace Fallback;
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namespace Fallback
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{
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struct FallbackMap {
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std::map<std::string, std::string> mMap;
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};
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void validate(boost::any &v, std::vector<std::string> const &tokens, FallbackMap*, int)
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{
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if (v.empty())
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{
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v = boost::any(FallbackMap());
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}
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FallbackMap *map = boost::any_cast<FallbackMap>(&v);
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for (std::vector<std::string>::const_iterator it = tokens.begin(); it != tokens.end(); ++it)
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{
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std::string temp = Files::EscapeHashString::processString(*it);
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int sep = temp.find(",");
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if (sep < 1 || sep == (int)temp.length() - 1)
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#if (BOOST_VERSION < 104200)
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throw boost::program_options::validation_error("invalid value");
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#else
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throw boost::program_options::validation_error(boost::program_options::validation_error::invalid_option_value);
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#endif
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std::string key(temp.substr(0, sep));
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std::string value(temp.substr(sep + 1));
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if (map->mMap.find(key) == map->mMap.end())
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{
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map->mMap.insert(std::make_pair(key, value));
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}
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}
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}
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}
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#endif
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