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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
#include "cmFileAPICommand.h"
#include <algorithm>
#include <array>
#include <cctype>
#include <cstdlib>
#include <cm/string_view>
#include <cmext/string_view>
#include "cmArgumentParser.h"
#include "cmArgumentParserTypes.h"
#include "cmExecutionStatus.h"
#include "cmFileAPI.h"
#include "cmMakefile.h"
#include "cmRange.h"
#include "cmStringAlgorithms.h"
#include "cmSubcommandTable.h"
#include "cmake.h"
namespace {
bool isCharDigit(char ch)
{
return std::isdigit(static_cast<unsigned char>(ch));
}
std::string processObjectKindVersions(cmFileAPI& fileApi,
cmFileAPI::ObjectKind objectKind,
cm::string_view keyword,
std::vector<std::string> const& versions)
{
// The "versions" vector is empty only when the keyword was not present.
// It is an error to provide the keyword with no versions after it, and that
// is enforced by the argument parser before we get here.
if (versions.empty()) {
return {};
}
// The first supported version listed is what we use
for (std::string const& ver : versions) {
char const* vStart = ver.c_str();
int majorVersion = std::atoi(vStart);
int minorVersion = 0;
std::string::size_type pos = ver.find('.');
if (pos != std::string::npos) {
vStart += pos + 1;
minorVersion = std::atoi(vStart);
}
if (majorVersion < 1 || minorVersion < 0) {
return cmStrCat("Given a malformed version \"", ver, "\" for ", keyword,
'.');
}
if (fileApi.AddProjectQuery(objectKind,
static_cast<unsigned>(majorVersion),
static_cast<unsigned>(minorVersion))) {
return {};
}
}
return cmStrCat("None of the specified ", keyword,
" versions is supported by this version of CMake.");
}
bool handleQueryCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
status.SetError("QUERY subcommand called without required arguments.");
return false;
}
struct Arguments : public ArgumentParser::ParseResult
{
ArgumentParser::NonEmpty<std::string> ApiVersion;
ArgumentParser::NonEmpty<std::vector<std::string>> CodeModelVersions;
ArgumentParser::NonEmpty<std::vector<std::string>> CacheVersions;
ArgumentParser::NonEmpty<std::vector<std::string>> CMakeFilesVersions;
ArgumentParser::NonEmpty<std::vector<std::string>> ToolchainsVersions;
};
static auto const parser =
cmArgumentParser<Arguments>{}
.Bind("API_VERSION"_s, &Arguments::ApiVersion)
.Bind("CODEMODEL"_s, &Arguments::CodeModelVersions)
.Bind("CACHE"_s, &Arguments::CacheVersions)
.Bind("CMAKEFILES"_s, &Arguments::CMakeFilesVersions)
.Bind("TOOLCHAINS"_s, &Arguments::ToolchainsVersions);
std::vector<std::string> unparsedArguments;
Arguments const arguments =
parser.Parse(cmMakeRange(args).advance(1), &unparsedArguments);
if (arguments.MaybeReportError(status.GetMakefile())) {
return true;
}
if (!unparsedArguments.empty()) {
status.SetError("QUERY subcommand given unknown argument \"" +
unparsedArguments.front() + "\".");
return false;
}
if (!std::all_of(arguments.ApiVersion.begin(), arguments.ApiVersion.end(),
isCharDigit)) {
status.SetError("QUERY subcommand given a non-integer API_VERSION.");
return false;
}
int const apiVersion = std::atoi(arguments.ApiVersion.c_str());
if (apiVersion != 1) {
status.SetError(
cmStrCat("QUERY subcommand given an unsupported API_VERSION \"",
arguments.ApiVersion,
"\" (the only currently supported version is 1)."));
return false;
}
cmMakefile& mf = status.GetMakefile();
cmake* cmi = mf.GetCMakeInstance();
cmFileAPI* fileApi = cmi->GetFileAPI();
// We want to check all keywords and report all errors, not just the first.
// Record each result rather than short-circuiting on the first error.
// NOTE: Double braces are needed here for compilers that don't implement the
// CWG 1270 revision to C++11.
std::array<std::string, 4> errors{
{ processObjectKindVersions(*fileApi, cmFileAPI::ObjectKind::CodeModel,
"CODEMODEL"_s, arguments.CodeModelVersions),
processObjectKindVersions(*fileApi, cmFileAPI::ObjectKind::Cache,
"CACHE"_s, arguments.CacheVersions),
processObjectKindVersions(*fileApi, cmFileAPI::ObjectKind::CMakeFiles,
"CMAKEFILES"_s, arguments.CMakeFilesVersions),
processObjectKindVersions(*fileApi, cmFileAPI::ObjectKind::Toolchains,
"TOOLCHAINS"_s, arguments.ToolchainsVersions) }
};
if (!std::all_of(errors.begin(), errors.end(),
[](std::string const& s) -> bool { return s.empty(); })) {
std::string message("QUERY subcommand was given invalid arguments:");
for (std::string const& s : errors) {
if (!s.empty()) {
message = cmStrCat(message, "\n ", s);
}
}
status.SetError(message);
return false;
}
return true;
}
}
bool cmFileAPICommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
if (args.empty()) {
status.SetError("must be called with arguments.");
return false;
}
// clang-format off
static cmSubcommandTable const subcommand{
{ "QUERY"_s, handleQueryCommand }
};
// clang-format on
return subcommand(args[0], args, status);
}
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