CStringListTemplates.C

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/*---------------------------------------------------------------------------*\
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    Copyright (C) 2016-2017 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
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    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
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#include "SubStrings.H"
 
// * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
 
template<class ListType>
int Foam::CStringList::resetContent
(
    const ListType& input
)
{
    clear();
 
    if (input.empty())
    {
        // Special handling of an empty list
        argv_ = new char*[1];
        argv_[0] = nullptr;     // Final nullptr terminator
        return 0;
    }
 
    // Count overall required string length, including each trailing nul char
    for (const auto& str : input)
    {
        len_ += str.length() + 1;
    }
    --len_; // No final nul in overall count
 
    argv_ = new char*[input.size()+1];  // Extra +1 for terminating nullptr
    data_ = new char[len_+1];           // Extra +1 for terminating nul char
 
    argv_[0] = data_;   // Starts here
 
    for (const auto& str : input)
    {
        char *next = stringCopy(argv_[argc_], str);
        argv_[++argc_] = next;   // The start of next string
    }
 
    argv_[argc_] = nullptr;     // Final nullptr terminator
 
    return argc_;
}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
template<class StringType>
Foam::List<StringType>
Foam::CStringList::asList(int argc, const char * const argv[])
{
    List<StringType> lst(argc);
 
    for (int i=0; i < argc; ++i)
    {
        lst[i] = argv[i];
    }
 
    return lst;
}
 
 
template<class StringType>
Foam::List<StringType>
Foam::CStringList::asList(const char * const argv[])
{
    return asList<StringType>(count(argv), argv);
}
 
 
// ************************************************************************* //