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61 lines
1.5 KiB
61 lines
1.5 KiB
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmRemoveCommand.h"
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#include "cmMakefile.h"
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#include "cmSystemTools.h"
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class cmExecutionStatus;
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// cmRemoveCommand
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bool cmRemoveCommand::InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus&)
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{
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if (args.empty()) {
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return true;
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}
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std::string const& variable = args[0]; // VAR is always first
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// get the old value
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const char* cacheValue = this->Makefile->GetDefinition(variable);
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// if there is no old value then return
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if (!cacheValue) {
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return true;
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}
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// expand the variable
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std::vector<std::string> varArgsExpanded;
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cmSystemTools::ExpandListArgument(cacheValue, varArgsExpanded);
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// expand the args
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// check for REMOVE(VAR v1 v2 ... vn)
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std::vector<std::string> argsExpanded;
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std::vector<std::string> temp;
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temp.insert(temp.end(), args.begin() + 1, args.end());
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cmSystemTools::ExpandList(temp, argsExpanded);
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// now create the new value
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std::string value;
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for (unsigned int j = 0; j < varArgsExpanded.size(); ++j) {
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int found = 0;
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for (unsigned int k = 0; k < argsExpanded.size(); ++k) {
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if (varArgsExpanded[j] == argsExpanded[k]) {
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found = 1;
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break;
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}
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}
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if (!found) {
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if (!value.empty()) {
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value += ";";
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}
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value += varArgsExpanded[j];
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}
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}
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// add the definition
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this->Makefile->AddDefinition(variable, value.c_str());
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return true;
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}
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