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* Distributed under the terms of the Botan license
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#include <botan/scan_name.h>
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#include <botan/parsing.h>
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#include <botan/libstate.h>
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std::vector<std::string>
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parse_and_deref_aliases(const std::string& algo_spec)
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std::vector<std::string> parts = parse_algorithm_name(algo_spec);
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std::vector<std::string> out;
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for(size_t i = 0; i != parts.size(); ++i)
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std::string part_i = global_state().deref_alias(parts[i]);
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if(i == 0 && part_i.find_first_of(",()") != std::string::npos)
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std::vector<std::string> parts_i = parse_and_deref_aliases(part_i);
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for(size_t j = 0; j != parts_i.size(); ++j)
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out.push_back(parts_i[j]);
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out.push_back(part_i);
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SCAN_Name::SCAN_Name(const std::string& algo_spec)
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orig_algo_spec = algo_spec;
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name = parse_and_deref_aliases(algo_spec);
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throw Decoding_Error("Bad SCAN name " + algo_spec);
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std::string SCAN_Name::arg(u32bit i) const
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throw std::range_error("SCAN_Name::argument");
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std::string SCAN_Name::arg(u32bit i, const std::string& def_value) const
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u32bit SCAN_Name::arg_as_u32bit(u32bit i, u32bit def_value) const
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return to_u32bit(name[i+1]);