75 lines
1.4 KiB
C++
75 lines
1.4 KiB
C++
#include "precompiled.h"
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#include "CmdLineArgs.h"
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CmdLineArgs::CmdLineArgs(int argc, const char* argv[])
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{
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if (argc >= 1)
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m_Arg0 = argv[0];
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for (int i = 1; i < argc; ++i)
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{
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// Only accept arguments that start with '-'
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if (argv[i][0] != '-')
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continue;
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CStr name, value;
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// Check for "-arg=value"
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const char* eq = strchr(argv[i], '=');
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if (eq)
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{
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name = CStr(argv[i]+1, eq-argv[i]-1);
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value = CStr(eq+1);
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}
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else
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{
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name = CStr(argv[i]+1);
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}
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m_Args.push_back(make_pair(name, value));
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}
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}
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template<typename T>
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struct first_equals
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{
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T x;
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first_equals(const T& x) : x(x) {}
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template<typename S> bool operator()(const S& v) { return v.first == x; }
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};
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bool CmdLineArgs::Has(const char* name) const
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{
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return find_if(m_Args.begin(), m_Args.end(), first_equals<CStr>(name)) != m_Args.end();
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}
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CStr CmdLineArgs::Get(const char* name) const
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{
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ArgsT::const_iterator it = find_if(m_Args.begin(), m_Args.end(), first_equals<CStr>(name));
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if (it != m_Args.end())
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return it->second;
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else
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return "";
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}
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std::vector<CStr> CmdLineArgs::GetMultiple(const char* name) const
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{
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std::vector<CStr> values;
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ArgsT::const_iterator it = m_Args.begin();
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while (1)
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{
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it = find_if(it, m_Args.end(), first_equals<CStr>(name));
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if (it == m_Args.end())
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break;
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values.push_back(it->second);
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++it; // start searching from the next one in the next iteration
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}
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return values;
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}
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CStr CmdLineArgs::GetArg0() const
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{
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return m_Arg0;
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}
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