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author | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 15:39:57 -0700 |
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committer | Anas Nashif <anas.nashif@intel.com> | 2012-10-30 15:39:57 -0700 |
commit | 035c7fabc3b82cbc9a346c11abe2e9462b4c0379 (patch) | |
tree | 7e40f5a790eae329a8c5d3e59f046451767956ff /Source/cmRemoveCommand.cxx | |
download | cmake-035c7fabc3b82cbc9a346c11abe2e9462b4c0379.tar.gz cmake-035c7fabc3b82cbc9a346c11abe2e9462b4c0379.tar.bz2 cmake-035c7fabc3b82cbc9a346c11abe2e9462b4c0379.zip |
Imported Upstream version 2.8.9upstream/2.8.9
Diffstat (limited to 'Source/cmRemoveCommand.cxx')
-rw-r--r-- | Source/cmRemoveCommand.cxx | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/Source/cmRemoveCommand.cxx b/Source/cmRemoveCommand.cxx new file mode 100644 index 000000000..d80b3fe9f --- /dev/null +++ b/Source/cmRemoveCommand.cxx @@ -0,0 +1,76 @@ +/*============================================================================ + CMake - Cross Platform Makefile Generator + Copyright 2000-2009 Kitware, Inc., Insight Software Consortium + + Distributed under the OSI-approved BSD License (the "License"); + see accompanying file Copyright.txt for details. + + This software is distributed WITHOUT ANY WARRANTY; without even the + implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. + See the License for more information. +============================================================================*/ +#include "cmRemoveCommand.h" + +// cmRemoveCommand +bool cmRemoveCommand +::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &) +{ + if(args.size() < 1) + { + return true; + } + + const char* variable = args[0].c_str(); // VAR is always first + // get the old value + const char* cacheValue + = this->Makefile->GetDefinition(variable); + + // if there is no old value then return + if (!cacheValue) + { + return true; + } + + // expand the variable + std::vector<std::string> varArgsExpanded; + cmSystemTools::ExpandListArgument(cacheValue, varArgsExpanded); + + // expand the args + // check for REMOVE(VAR v1 v2 ... vn) + std::vector<std::string> argsExpanded; + std::vector<std::string> temp; + for(unsigned int j = 1; j < args.size(); ++j) + { + temp.push_back(args[j]); + } + cmSystemTools::ExpandList(temp, argsExpanded); + + // now create the new value + std::string value; + for(unsigned int j = 0; j < varArgsExpanded.size(); ++j) + { + int found = 0; + for(unsigned int k = 0; k < argsExpanded.size(); ++k) + { + if (varArgsExpanded[j] == argsExpanded[k]) + { + found = 1; + break; + } + } + if (!found) + { + if (value.size()) + { + value += ";"; + } + value += varArgsExpanded[j]; + } + } + + // add the definition + this->Makefile->AddDefinition(variable, value.c_str()); + + return true; +} + |