style(3p/nix): Reformat project in Google C++ style
Reformatted with:
fd . -e hh -e cc | xargs clang-format -i
This commit is contained in:
Vincent Ambo
parent
65a1aae98c
commit
0f2cf531f7
175 changed files with 32126 additions and 34689 deletions
331
third_party/nix/src/libutil/args.hh
vendored
331
third_party/nix/src/libutil/args.hh
vendored
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@ -3,7 +3,6 @@
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#include <iostream>
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#include <map>
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#include <memory>
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#include "util.hh"
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namespace nix {
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@ -12,190 +11,206 @@ MakeError(UsageError, Error);
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enum HashType : char;
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class Args
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{
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public:
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class Args {
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public:
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/* Parse the command line, throwing a UsageError if something goes
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wrong. */
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void parseCmdline(const Strings& cmdline);
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/* Parse the command line, throwing a UsageError if something goes
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wrong. */
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void parseCmdline(const Strings & cmdline);
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virtual void printHelp(const string& programName, std::ostream& out);
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virtual void printHelp(const string & programName, std::ostream & out);
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virtual std::string description() { return ""; }
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virtual std::string description() { return ""; }
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protected:
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static const size_t ArityAny = std::numeric_limits<size_t>::max();
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protected:
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/* Flags. */
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struct Flag {
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typedef std::shared_ptr<Flag> ptr;
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std::string longName;
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char shortName = 0;
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std::string description;
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Strings labels;
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size_t arity = 0;
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std::function<void(std::vector<std::string>)> handler;
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std::string category;
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};
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static const size_t ArityAny = std::numeric_limits<size_t>::max();
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std::map<std::string, Flag::ptr> longFlags;
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std::map<char, Flag::ptr> shortFlags;
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/* Flags. */
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struct Flag
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{
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typedef std::shared_ptr<Flag> ptr;
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std::string longName;
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char shortName = 0;
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std::string description;
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Strings labels;
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size_t arity = 0;
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std::function<void(std::vector<std::string>)> handler;
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std::string category;
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virtual bool processFlag(Strings::iterator& pos, Strings::iterator end);
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virtual void printFlags(std::ostream& out);
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/* Positional arguments. */
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struct ExpectedArg {
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std::string label;
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size_t arity; // 0 = any
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bool optional;
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std::function<void(std::vector<std::string>)> handler;
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};
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std::list<ExpectedArg> expectedArgs;
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virtual bool processArgs(const Strings& args, bool finish);
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std::set<std::string> hiddenCategories;
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public:
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class FlagMaker {
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Args& args;
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Flag::ptr flag;
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friend class Args;
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FlagMaker(Args& args) : args(args), flag(std::make_shared<Flag>()){};
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public:
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~FlagMaker();
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FlagMaker& longName(const std::string& s) {
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flag->longName = s;
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return *this;
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};
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FlagMaker& shortName(char s) {
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flag->shortName = s;
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return *this;
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};
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FlagMaker& description(const std::string& s) {
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flag->description = s;
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return *this;
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};
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FlagMaker& label(const std::string& l) {
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flag->arity = 1;
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flag->labels = {l};
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return *this;
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};
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FlagMaker& labels(const Strings& ls) {
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flag->arity = ls.size();
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flag->labels = ls;
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return *this;
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};
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FlagMaker& arity(size_t arity) {
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flag->arity = arity;
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return *this;
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};
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FlagMaker& handler(std::function<void(std::vector<std::string>)> handler) {
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flag->handler = handler;
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return *this;
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};
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FlagMaker& handler(std::function<void()> handler) {
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flag->handler = [handler](std::vector<std::string>) { handler(); };
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return *this;
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};
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FlagMaker& handler(std::function<void(std::string)> handler) {
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flag->arity = 1;
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flag->handler = [handler](std::vector<std::string> ss) {
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handler(std::move(ss[0]));
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};
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return *this;
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};
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FlagMaker& category(const std::string& s) {
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flag->category = s;
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return *this;
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};
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std::map<std::string, Flag::ptr> longFlags;
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std::map<char, Flag::ptr> shortFlags;
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virtual bool processFlag(Strings::iterator & pos, Strings::iterator end);
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virtual void printFlags(std::ostream & out);
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/* Positional arguments. */
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struct ExpectedArg
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{
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std::string label;
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size_t arity; // 0 = any
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bool optional;
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std::function<void(std::vector<std::string>)> handler;
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template <class T>
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FlagMaker& dest(T* dest) {
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flag->arity = 1;
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flag->handler = [=](std::vector<std::string> ss) { *dest = ss[0]; };
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return *this;
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};
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std::list<ExpectedArg> expectedArgs;
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virtual bool processArgs(const Strings & args, bool finish);
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std::set<std::string> hiddenCategories;
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public:
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class FlagMaker
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{
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Args & args;
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Flag::ptr flag;
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friend class Args;
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FlagMaker(Args & args) : args(args), flag(std::make_shared<Flag>()) { };
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public:
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~FlagMaker();
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FlagMaker & longName(const std::string & s) { flag->longName = s; return *this; };
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FlagMaker & shortName(char s) { flag->shortName = s; return *this; };
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FlagMaker & description(const std::string & s) { flag->description = s; return *this; };
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FlagMaker & label(const std::string & l) { flag->arity = 1; flag->labels = {l}; return *this; };
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FlagMaker & labels(const Strings & ls) { flag->arity = ls.size(); flag->labels = ls; return *this; };
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FlagMaker & arity(size_t arity) { flag->arity = arity; return *this; };
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FlagMaker & handler(std::function<void(std::vector<std::string>)> handler) { flag->handler = handler; return *this; };
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FlagMaker & handler(std::function<void()> handler) { flag->handler = [handler](std::vector<std::string>) { handler(); }; return *this; };
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FlagMaker & handler(std::function<void(std::string)> handler) {
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flag->arity = 1;
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flag->handler = [handler](std::vector<std::string> ss) { handler(std::move(ss[0])); };
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return *this;
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};
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FlagMaker & category(const std::string & s) { flag->category = s; return *this; };
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template<class T>
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FlagMaker & dest(T * dest)
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{
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flag->arity = 1;
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flag->handler = [=](std::vector<std::string> ss) { *dest = ss[0]; };
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return *this;
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};
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template<class T>
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FlagMaker & set(T * dest, const T & val)
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{
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flag->arity = 0;
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flag->handler = [=](std::vector<std::string> ss) { *dest = val; };
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return *this;
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};
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FlagMaker & mkHashTypeFlag(HashType * ht);
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template <class T>
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FlagMaker& set(T* dest, const T& val) {
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flag->arity = 0;
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flag->handler = [=](std::vector<std::string> ss) { *dest = val; };
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return *this;
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};
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FlagMaker mkFlag();
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FlagMaker& mkHashTypeFlag(HashType* ht);
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};
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/* Helper functions for constructing flags / positional
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arguments. */
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FlagMaker mkFlag();
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void mkFlag1(char shortName, const std::string & longName,
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const std::string & label, const std::string & description,
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std::function<void(std::string)> fun)
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{
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mkFlag()
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.shortName(shortName)
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.longName(longName)
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.labels({label})
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.description(description)
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.arity(1)
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.handler([=](std::vector<std::string> ss) { fun(ss[0]); });
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}
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/* Helper functions for constructing flags / positional
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arguments. */
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void mkFlag(char shortName, const std::string & name,
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const std::string & description, bool * dest)
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{
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mkFlag(shortName, name, description, dest, true);
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}
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void mkFlag1(char shortName, const std::string& longName,
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const std::string& label, const std::string& description,
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std::function<void(std::string)> fun) {
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mkFlag()
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.shortName(shortName)
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.longName(longName)
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.labels({label})
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.description(description)
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.arity(1)
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.handler([=](std::vector<std::string> ss) { fun(ss[0]); });
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}
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template<class T>
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void mkFlag(char shortName, const std::string & longName, const std::string & description,
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T * dest, const T & value)
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{
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mkFlag()
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.shortName(shortName)
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.longName(longName)
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.description(description)
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.handler([=](std::vector<std::string> ss) { *dest = value; });
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}
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void mkFlag(char shortName, const std::string& name,
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const std::string& description, bool* dest) {
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mkFlag(shortName, name, description, dest, true);
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}
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template<class I>
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void mkIntFlag(char shortName, const std::string & longName,
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const std::string & description, I * dest)
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{
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mkFlag<I>(shortName, longName, description, [=](I n) {
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*dest = n;
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template <class T>
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void mkFlag(char shortName, const std::string& longName,
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const std::string& description, T* dest, const T& value) {
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mkFlag()
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.shortName(shortName)
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.longName(longName)
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.description(description)
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.handler([=](std::vector<std::string> ss) { *dest = value; });
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}
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template <class I>
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void mkIntFlag(char shortName, const std::string& longName,
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const std::string& description, I* dest) {
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mkFlag<I>(shortName, longName, description, [=](I n) { *dest = n; });
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}
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template <class I>
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void mkFlag(char shortName, const std::string& longName,
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const std::string& description, std::function<void(I)> fun) {
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mkFlag()
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.shortName(shortName)
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.longName(longName)
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.labels({"N"})
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.description(description)
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.arity(1)
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.handler([=](std::vector<std::string> ss) {
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I n;
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if (!string2Int(ss[0], n))
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throw UsageError("flag '--%s' requires a integer argument",
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longName);
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fun(n);
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});
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}
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}
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template<class I>
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void mkFlag(char shortName, const std::string & longName,
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const std::string & description, std::function<void(I)> fun)
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{
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mkFlag()
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.shortName(shortName)
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.longName(longName)
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.labels({"N"})
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.description(description)
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.arity(1)
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.handler([=](std::vector<std::string> ss) {
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I n;
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if (!string2Int(ss[0], n))
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throw UsageError("flag '--%s' requires a integer argument", longName);
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fun(n);
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});
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}
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/* Expect a string argument. */
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void expectArg(const std::string& label, string* dest,
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bool optional = false) {
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expectedArgs.push_back(
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ExpectedArg{label, 1, optional,
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[=](std::vector<std::string> ss) { *dest = ss[0]; }});
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}
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/* Expect a string argument. */
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void expectArg(const std::string & label, string * dest, bool optional = false)
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{
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expectedArgs.push_back(ExpectedArg{label, 1, optional, [=](std::vector<std::string> ss) {
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*dest = ss[0];
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}});
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}
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/* Expect 0 or more arguments. */
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void expectArgs(const std::string& label, std::vector<std::string>* dest) {
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expectedArgs.push_back(ExpectedArg{
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label, 0, false,
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[=](std::vector<std::string> ss) { *dest = std::move(ss); }});
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}
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/* Expect 0 or more arguments. */
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void expectArgs(const std::string & label, std::vector<std::string> * dest)
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{
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expectedArgs.push_back(ExpectedArg{label, 0, false, [=](std::vector<std::string> ss) {
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*dest = std::move(ss);
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}});
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}
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friend class MultiCommand;
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friend class MultiCommand;
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};
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Strings argvToStrings(int argc, char * * argv);
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Strings argvToStrings(int argc, char** argv);
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/* Helper function for rendering argument labels. */
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std::string renderLabels(const Strings & labels);
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std::string renderLabels(const Strings& labels);
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/* Helper function for printing 2-column tables. */
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typedef std::vector<std::pair<std::string, std::string>> Table2;
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void printTable(std::ostream & out, const Table2 & table);
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void printTable(std::ostream& out, const Table2& table);
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}
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} // namespace nix
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