Commit b66b7464 authored by wahikihiki's avatar wahikihiki

Introduce cmSubcommandTable

parent 2b785875
......@@ -639,6 +639,8 @@ set(SRCS
cmStringReplaceHelper.cxx
cmStringCommand.cxx
cmStringCommand.h
cmSubcommandTable.cxx
cmSubcommandTable.h
cmSubdirCommand.cxx
cmSubdirCommand.h
cmSubdirDependsCommand.cxx
......
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmSubcommandTable.h"
#include <algorithm>
#include "cmExecutionStatus.h"
#include "cmStringAlgorithms.h"
cmSubcommandTable::cmSubcommandTable(std::initializer_list<InitElem> init)
: Impl(init.begin(), init.end())
{
std::sort(this->Impl.begin(), this->Impl.end(),
[](Elem const& left, Elem const& right) {
return left.first < right.first;
});
}
bool cmSubcommandTable::operator()(cm::string_view key,
std::vector<std::string> const& args,
cmExecutionStatus& status) const
{
auto const it = std::lower_bound(
this->Impl.begin(), this->Impl.end(), key,
[](Elem const& elem, cm::string_view k) { return elem.first < k; });
if (it != this->Impl.end() && it->first == key) {
return it->second(args, status);
}
status.SetError(cmStrCat("does not recognize sub-command ", key));
return false;
}
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#ifndef cmSubcommandTable_h
#define cmSubcommandTable_h
#include "cmConfigure.h" // IWYU pragma: keep
#include "cm_static_string_view.hxx"
#include "cm_string_view.hxx"
#include <initializer_list>
#include <string>
#include <utility>
#include <vector>
class cmExecutionStatus;
class cmSubcommandTable
{
public:
using Command = bool (*)(std::vector<std::string> const&,
cmExecutionStatus&);
using Elem = std::pair<cm::string_view, Command>;
using InitElem = std::pair<cm::static_string_view, Command>;
cmSubcommandTable(std::initializer_list<InitElem> init);
bool operator()(cm::string_view key, std::vector<std::string> const& args,
cmExecutionStatus& status) const;
private:
std::vector<Elem> Impl;
};
#endif
......@@ -426,6 +426,7 @@ CMAKE_CXX_SOURCES="\
cmStringAlgorithms \
cmStringReplaceHelper \
cmStringCommand \
cmSubcommandTable \
cmSubdirCommand \
cmSystemTools \
cmTarget \
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment