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37 * Implements gmx::test::CommandLine.
39 * \author Teemu Murtola <teemu.murtola@gmail.com>
40 * \ingroup module_testutils
42 #include "cmdlinetest.h"
51 #include "gromacs/utility/gmxassert.h"
52 #include "gromacs/utility/programinfo.h"
59 /********************************************************************
63 class CommandLine::Impl
66 Impl(const char *const cmdline[], size_t count);
69 std::vector<char *> args_;
70 std::vector<char *> argv_;
74 CommandLine::Impl::Impl(const char *const cmdline[], size_t count)
77 argv_.reserve(count + 1);
78 argc_ = static_cast<int>(count);
79 for (size_t i = 0; i < count; ++i)
81 char *arg = strdup(cmdline[i]);
84 throw std::bad_alloc();
89 argv_.push_back(NULL);
92 CommandLine::Impl::~Impl()
94 for (size_t i = 0; i < args_.size(); ++i)
100 /********************************************************************
104 CommandLine::CommandLine()
105 : impl_(new Impl(NULL, 0))
109 CommandLine::CommandLine(const char *const cmdline[], size_t count)
110 : impl_(new Impl(cmdline, count))
114 CommandLine::CommandLine(const CommandLine &other)
115 : impl_(new Impl(other.argv(), other.argc()))
119 CommandLine::~CommandLine()
123 void CommandLine::append(const char *arg)
125 GMX_RELEASE_ASSERT(impl_->argc_ == static_cast<int>(impl_->args_.size()),
126 "Command-line has been modified externally");
127 size_t newSize = impl_->args_.size() + 1;
128 impl_->args_.reserve(newSize);
129 impl_->argv_.reserve(newSize + 1);
130 char *newArg = strdup(arg);
133 throw std::bad_alloc();
135 impl_->args_.push_back(newArg);
136 impl_->argv_.pop_back(); // Remove the trailing NULL.
137 impl_->argv_.push_back(newArg);
138 impl_->argv_.push_back(NULL);
139 impl_->argc_ = static_cast<int>(newSize);
145 //! Helper function for converting values to strings
146 template <typename T>
147 std::string value2string(T value)
149 std::stringstream ss;
156 void CommandLine::addOption(const char *name,
163 void CommandLine::addOption(const char *name,
164 const std::string &value)
166 addOption(name, value.c_str());
169 void CommandLine::addOption(const char *name,
173 append(value2string(value));
176 void CommandLine::addOption(const char *name,
180 append(value2string(value));
183 int &CommandLine::argc()
187 char **CommandLine::argv()
189 return &impl_->argv_[0];
191 int CommandLine::argc() const
195 const char *const *CommandLine::argv() const
197 return &impl_->argv_[0];
199 const char *CommandLine::arg(int i) const
201 return impl_->argv_[i];
204 std::string CommandLine::toString() const
206 return ProgramInfo(argc(), argv()).commandLine();