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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmSeparateArgumentsCommand.h"
#include <algorithm>
#include <sstream>
#include "cmExecutionStatus.h"
#include "cmMakefile.h"
#include "cmSystemTools.h"
// cmSeparateArgumentsCommand
bool cmSeparateArgumentsCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
status.SetError("must be given at least one argument.");
return false;
}
std::string var;
std::string command;
enum Mode
{
ModeOld,
ModeUnix,
ModeWindows
};
Mode mode = ModeOld;
enum Doing
{
DoingNone,
DoingVariable,
DoingMode,
DoingCommand
};
Doing doing = DoingVariable;
for (std::string const& arg : args) {
if (doing == DoingVariable) {
var = arg;
doing = DoingMode;
} else if (doing == DoingMode && arg == "NATIVE_COMMAND") {
#ifdef _WIN32
mode = ModeWindows;
#else
mode = ModeUnix;
#endif
doing = DoingCommand;
} else if (doing == DoingMode && arg == "UNIX_COMMAND") {
mode = ModeUnix;
doing = DoingCommand;
} else if (doing == DoingMode && arg == "WINDOWS_COMMAND") {
mode = ModeWindows;
doing = DoingCommand;
} else if (doing == DoingCommand) {
command = arg;
doing = DoingNone;
} else {
std::ostringstream e;
e << "given unknown argument " << arg;
status.SetError(e.str());
return false;
}
}
if (mode == ModeOld) {
// Original space-replacement version of command.
if (const char* def = status.GetMakefile().GetDefinition(var)) {
std::string value = def;
std::replace(value.begin(), value.end(), ' ', ';');
status.GetMakefile().AddDefinition(var, value);
}
} else {
// Parse the command line.
std::vector<std::string> vec;
if (mode == ModeUnix) {
cmSystemTools::ParseUnixCommandLine(command.c_str(), vec);
} else // if(mode == ModeWindows)
{
cmSystemTools::ParseWindowsCommandLine(command.c_str(), vec);
}
// Construct the result list value.
std::string value;
const char* sep = "";
for (std::string const& vi : vec) {
// Separate from the previous argument.
value += sep;
sep = ";";
// Preserve semicolons.
for (char si : vi) {
if (si == ';') {
value += '\\';
}
value += si;
}
}
status.GetMakefile().AddDefinition(var, value);
}
return true;
}
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