mirror of
https://github.com/reactos/CMake.git
synced 2024-11-30 06:50:52 +00:00
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
|
|
file Copyright.txt or https://cmake.org/licensing for details. */
|
|
#include "cmRemoveCommand.h"
|
|
|
|
#include "cmExecutionStatus.h"
|
|
#include "cmMakefile.h"
|
|
#include "cmStringAlgorithms.h"
|
|
|
|
// cmRemoveCommand
|
|
bool cmRemoveCommand(std::vector<std::string> const& args,
|
|
cmExecutionStatus& status)
|
|
{
|
|
if (args.empty()) {
|
|
return true;
|
|
}
|
|
|
|
std::string const& variable = args[0]; // VAR is always first
|
|
// get the old value
|
|
const char* cacheValue = status.GetMakefile().GetDefinition(variable);
|
|
|
|
// if there is no old value then return
|
|
if (!cacheValue) {
|
|
return true;
|
|
}
|
|
|
|
// expand the variable
|
|
std::vector<std::string> const varArgsExpanded = cmExpandedList(cacheValue);
|
|
|
|
// expand the args
|
|
// check for REMOVE(VAR v1 v2 ... vn)
|
|
std::vector<std::string> const argsExpanded =
|
|
cmExpandedLists(args.begin() + 1, args.end());
|
|
|
|
// now create the new value
|
|
std::string value;
|
|
for (std::string const& varArgExpanded : varArgsExpanded) {
|
|
int found = 0;
|
|
for (std::string const& argExpanded : argsExpanded) {
|
|
if (varArgExpanded == argExpanded) {
|
|
found = 1;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
if (!value.empty()) {
|
|
value += ";";
|
|
}
|
|
value += varArgExpanded;
|
|
}
|
|
}
|
|
|
|
// add the definition
|
|
status.GetMakefile().AddDefinition(variable, value);
|
|
|
|
return true;
|
|
}
|