CommandLine parser initial

This commit is contained in:
IlushaShurupov 2023-07-15 13:12:51 +03:00 committed by Ilya Shurupov
parent 3846b91662
commit f5cab30f21
11 changed files with 592 additions and 22 deletions

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@ -17,3 +17,4 @@ add_subdirectory(Math)
add_subdirectory(Allocators)
add_subdirectory(Strings)
add_subdirectory(Tokenizer)
add_subdirectory(CommandLine)

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@ -0,0 +1,22 @@
cmake_minimum_required(VERSION 3.2)
set(CMAKE_CXX_STANDARD 23)
project(CommandLine)
### ---------------------- Static Library --------------------- ###
file(GLOB SOURCES "./private/*.cpp")
file(GLOB HEADERS "./public/*.hpp")
add_library(${PROJECT_NAME} STATIC ${SOURCES} ${HEADERS})
target_include_directories(${PROJECT_NAME} PUBLIC ./public/)
target_link_libraries(${PROJECT_NAME} PUBLIC Tokenizer)
### -------------------------- Tests -------------------------- ###
enable_testing()
file(GLOB TEST_SOURCES "./tests/*.cpp")
add_executable(${PROJECT_NAME}Tests ${TEST_SOURCES})
target_link_libraries(${PROJECT_NAME}Tests ${PROJECT_NAME} Utils)
add_test(NAME ${PROJECT_NAME}Tests COMMAND ${PROJECT_NAME}Tests)
install(TARGETS ${PROJECT_NAME} LIBRARY DESTINATION ${CMAKE_INSTALL_PREFIX}/${PROJECT_NAME}/lib)

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@ -0,0 +1,345 @@
#include "CommandLine.hpp"
using namespace tp;
const char* regexSpace = "\n|\t| |\r";
const char* regexFalse = "N|n|(False)|(false)";
const char* regexTrue = "Y|y|(True)|(true)";
const char* regexInt = "((\\-)|(\\+))?[0-9]+";
const char* regexFloat = R"(((\-)|(\+))?([0-9]+)(\.)([0-9]*)?)";
const char* regexString = "'{'-'}*'";
CommandLine::Arg::Arg(const Arg& arg) {
mId = arg.mId;
switch (arg.mType) {
case CommandLine::Arg::INT: mType = INT; mInt = arg.mInt; break;
case CommandLine::Arg::FLOAT: mType = FLOAT; mFloat = arg.mFloat; break;
case CommandLine::Arg::BOOL: mType = BOOL; mBool = arg.mBool; break;
case CommandLine::Arg::STR: mType = STR; new (&mStr) StringArg(); mStr = arg.mStr; break;
case CommandLine::Arg::FILE_IN: mType = FILE_IN; new (&mFile) FileInputArg(); mFile = arg.mFile; break;
}
mOptional = arg.mOptional;
}
CommandLine::Arg::Arg(const String& id, Type type) {
mId = id;
switch (type) {
case CommandLine::Arg::INT: mType = INT; new (&mInt) IntArg(); break;
case CommandLine::Arg::FLOAT: mType = FLOAT; new (&mFloat) FloatArg(); break;
case CommandLine::Arg::BOOL: mType = BOOL; new (&mBool) BoolArg(); break;
case CommandLine::Arg::STR: mType = STR; new (&mStr) StringArg(); break;
case CommandLine::Arg::FILE_IN: mType = FILE_IN; new (&mFile) FileInputArg(); break;
}
mOptional = false;
}
CommandLine::Arg::Arg(const String& id, const Range<alni>& aAcceptingRange) {
mId = id;
mType = FLOAT;
mInt = { 0, 0, aAcceptingRange };
mOptional = false;
}
CommandLine::Arg::Arg(const String& id, const Range<alnf>& aAcceptingRange) {
mId = id;
mType = FLOAT;
mFloat = { 0, 0, aAcceptingRange };
mOptional = false;
}
CommandLine::Arg::Arg(const String& id, const Range<alni>& aAcceptingRange, alni aDefault) {
mId = id;
mType = INT;
mInt = { 0, aDefault, aAcceptingRange };
}
CommandLine::Arg::Arg(const String& id, const Range<alnf>& aAcceptingRange, alnf aDefault) {
mId = id;
mType = FLOAT;
mFloat = { 0, aDefault, aAcceptingRange };
}
CommandLine::Arg::Arg(const String& id, bool aDefault) {
mId = id;
mType = BOOL;
mBool.mDefault = aDefault;
}
CommandLine::Arg::Arg(const String& id, const char* aDefault) {
mId = id;
mType = STR;
new (&mStr) StringArg();
mStr.mDefault = aDefault;
}
CommandLine::Arg::~Arg() {
switch (mType) {
case CommandLine::Arg::STR:
mStr.~StringArg();
break;
case CommandLine::Arg::FILE_IN:
mFile.~FileInputArg();
break;
default:
break;
}
}
CommandLine::CommandLine(const init_list<Arg>& args) {
bool optional_start = false;
for (auto& arg : args) {
ASSERT(!mArgs.presents(arg.mId) && "Argument Redefinition")
auto copy_arg = new Arg(arg);
mArgs.put(arg.mId, copy_arg);
mArgsOrder.pushBack(mArgs.get(arg.mId));
if (arg.mOptional) {
mOptionals++;
}
if (optional_start) {
ASSERT(arg.mOptional && "Not Optional Argument After Optionals")
}
else if (arg.mOptional) {
optional_start = true;
}
}
mTokenizer.build({
{ regexSpace, TokType::SPACE },
{ regexFalse, TokType::BOOL_FALSE },
{ regexTrue, TokType::BOOL_TRUE },
{ regexInt, TokType::INT },
{ regexFloat, TokType::FLOAT },
{ regexString, TokType::STR },
});
ASSERT(mTokenizer.isBuild() && "Internal Error")
}
CommandLine::~CommandLine() {
for (auto arg : mArgsOrder) {
delete arg.data();
}
}
bool CommandLine::parse(char argc, const char* argv[], bool logError, ualni skipArgs) {
// discard some arguments
argc -= (char) skipArgs;
argv += skipArgs;
if (argc < mArgs.size() - mOptionals) {
ErrInvalidArgCount();
if (logError) {
ErrLog();
}
return false;
}
ualni idx = 0;
for (auto arg : mArgsOrder) {
if (idx < argc) {
parseArg(*arg.data(), argv[idx]);
} else {
initDefault(*arg.data());
}
if (mError) {
if (logError) ErrLog();
return false;
}
idx++;
}
return true;
//set_working_dir();
}
alni CommandLine::getInt(const String& id) { auto& arg = getArg(id, Arg::INT); return arg.mInt.mVal; }
alnf CommandLine::getFloat(const String& id) { auto& arg = getArg(id, Arg::FLOAT); return arg.mFloat.mVal; }
bool CommandLine::getBool(const String& id) { auto& arg = getArg(id, Arg::BOOL); return arg.mBool.mFlag; }
const String& CommandLine::getString(const String& id) { auto& arg = getArg(id, Arg::STR); return arg.mStr.mStr; }
File& CommandLine::getFile(const String& id) { auto& arg = getArg(id, Arg::FILE_IN); return arg.mFile.mFile; }
CommandLine::Arg& CommandLine::getArg(const String& id, Arg::Type type) {
auto idx = mArgs.presents(id);
ASSERT(idx && "Invalid Id")
auto& arg = mArgs.getSlotVal(idx);
ASSERT(arg->mType == type && "Invalid Type Requested")
return *arg;
}
void CommandLine::ErrInvalidArgCount() { mError = { "Invalid Number Of Arguments Passed", nullptr }; }
void CommandLine::ErrInvalidArgSyntax(Arg* arg) { mError = { "Invalid Syntax Of Argument", arg }; }
void CommandLine::ErrInvalidArgType(Arg* arg) { mError = { "Invalid Type Of Argument", arg }; }
void CommandLine::ErrFileNotExists(Arg* arg) { mError = { "File Not Exists", arg }; }
void CommandLine::ErrFileCouldNotOpen(Arg* arg) { mError = { "Could Not Open File", arg }; }
void CommandLine::ErrValNotinRange(Arg* arg) { mError = { "Value Not In Range", arg }; }
void CommandLine::ErrLog() {
printf("\nERROR : Invalid Command Line\n");
if (mError.mArg) {
alni idx = 0;
for (auto arg : mArgsOrder) {
if (mError.mArg == arg.data()) break;
idx++;
}
printf("\nArgument: %lli\n", idx);
ArgLog(*mError.mArg);
}
printf("Error Description: %s. \n", mError.mDescr);
printf("\nExpected Arguments are: \n");
ualni idx = 0;
for (auto arg : mArgsOrder) {
printf(" -- %lli -- \n", idx);
ArgLog(*arg.data());
idx++;
}
printf("\nNote regex for types are:\n");
printf(" False - %s\n", regexFalse);
printf(" True - %s\n", regexTrue);
printf(" Int - %s\n", regexInt);
printf(" Float - %s\n", regexFloat);
printf(" String - %s\n", regexString);
printf(" File - else\n");
}
void CommandLine::ArgLog(Arg& arg) {
switch (arg.mType) {
case Arg::INT: {
printf("Type : Int\n");
printf("Range : %lli - %lli\n", arg.mInt.mAcceptingRange.mBegin, arg.mInt.mAcceptingRange.mEnd);
if (arg.mOptional) {
printf("Default : %lli\n", arg.mInt.mDefault);
}
printf("Given : %lli\n", arg.mInt.mVal);
} break;
case Arg::FLOAT: {
printf("Type : Float\n");
printf("Range : %f - %f\n", (halnf) arg.mFloat.mAcceptingRange.mBegin, (halnf) arg.mFloat.mAcceptingRange.mEnd);
if (arg.mOptional) {
printf("Default : %f\n", arg.mFloat.mDefault);
}
printf("Given : %f\n", arg.mFloat.mVal);
} break;
case Arg::BOOL: {
printf("Type : Bool\n");
if (arg.mOptional) {
printf("Default : %s\n", arg.mBool.mDefault ? "True" : "False");
}
printf("Given : %s\n", arg.mBool.mFlag ? "True" : "False");
} break;
case Arg::STR: {
printf("Type : String\n");
if (arg.mOptional) {
printf("Default : %s\n", arg.mStr.mDefault.read());
}
printf("Given : %s\n", arg.mStr.mStr.read());
} break;
case Arg::FILE_IN: {
printf("Type : File Input\n");
printf("Given Path : %s\n", arg.mFile.mFilepath.read());
} break;
}
}
void CommandLine::initDefault(Arg& arg) {
switch (arg.mType) {
case Arg::INT: arg.mInt.mVal = arg.mInt.mDefault; break;
case Arg::FLOAT: arg.mFloat.mVal = arg.mFloat.mDefault; break;
case Arg::BOOL: arg.mBool.mFlag = arg.mBool.mDefault; break;
case Arg::STR: arg.mStr.mStr = arg.mStr.mDefault; break;
default:
break;
}
}
void CommandLine::parseArg(Arg& arg, const char* src) {
mTokenizer.reset();
mTokenizer.bindSource(src);
auto tok = mTokenizer.readTok();
if (tok < TokType::INT || tok > TokType::STR) {
ErrInvalidArgSyntax(&arg);
}
auto val = mTokenizer.extractVal();
switch (arg.mType) {
case Arg::INT: {
if (tok != TokType::INT) {
ErrInvalidArgType(&arg);
return;
}
auto converted = String::Logic::convertStringToValue(val.read(), arg.mInt.mVal);
if (converted && arg.mInt.mVal < arg.mInt.mAcceptingRange.mBegin || arg.mInt.mVal > arg.mInt.mAcceptingRange.mEnd) {
ErrValNotinRange(&arg);
return;
}
} break;
case Arg::FLOAT: {
if (tok != TokType::FLOAT) {
ErrInvalidArgType(&arg);
return;
}
auto converted = String::Logic::convertStringToValue(val.read(), arg.mFloat.mVal);
if (converted && arg.mFloat.mVal < arg.mFloat.mAcceptingRange.mBegin || arg.mFloat.mVal > arg.mFloat.mAcceptingRange.mEnd) {
ErrValNotinRange(&arg);
return;
}
} break;
case Arg::STR: {
if (tok != TokType::STR) {
ErrInvalidArgType(&arg);
return;
}
arg.mStr.mStr = val;
} break;
case Arg::BOOL: {
if (tok != TokType::BOOL_FALSE && tok != TokType::BOOL_TRUE) {
ErrInvalidArgType(&arg);
return;
}
arg.mBool.mFlag = bool(val);
} break;
case Arg::FILE_IN: {
if (tok != TokType::STR) {
ErrInvalidArgType(&arg);
return;
}
arg.mFile.mFilepath = val;
/*
// TODO : replace
if (!File::exists(arg.mFile.mFilepath.cstr())) {
ErrFileNotExists(&arg);
return;
}
arg.mFile.mFile.open(arg.mFile.mFilepath.cstr(), osfile_openflags::LOAD);
if (!arg.mFile.mFile.opened) {
ErrFileCouldNotOpen(&arg);
return;
}
*/
} break;
}
arg.mIsPassed = true;
}

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@ -0,0 +1,105 @@
#pragma once
#include "Tokenizer.hpp"
#include "Map.hpp"
namespace tp {
// TODO : replace
class File {
};
struct CommandLine {
struct IntArg {
alni mVal = 0;
alni mDefault = 0;
Range<alni> mAcceptingRange = { -(std::numeric_limits<alni>::max() - 1), std::numeric_limits<alni>::max() };
};
struct FloatArg {
alnf mVal = 0.f;
alnf mDefault = 0.f;
Range<alnf> mAcceptingRange = { -(std::numeric_limits<alnf>::max() - 1), std::numeric_limits<alnf>::max() };
};
struct BoolArg {
bool mFlag = false;
bool mDefault = false;
};
struct StringArg {
String mStr;
String mDefault;
};
struct FileInputArg {
String mFilepath;
File mFile;
};
struct Arg {
String mId;
enum Type { INT, FLOAT, BOOL, STR, FILE_IN } mType;
union {
IntArg mInt;
FloatArg mFloat;
BoolArg mBool;
StringArg mStr;
FileInputArg mFile;
};
bool mOptional = true;
bool mIsPassed = false;
Arg(const Arg& arg);
Arg(const String& id, Type type);
Arg(const String& id, const Range<alni>& aAcceptingRange);
Arg(const String& id, const Range<alnf>& aAcceptingRange);
Arg(const String& id, const Range<alni>& aAcceptingRange, alni aDefault);
Arg(const String& id, const Range<alnf>& aAcceptingRange, alnf aDefault);
Arg(const String& id, bool aDefault);
Arg(const String& id, const char* aDefault);
~Arg();
};
struct Error {
const char* mDescr = nullptr;
Arg* mArg = nullptr;
operator bool() { return mDescr != nullptr; }
} mError;
CommandLine(const init_list<Arg>& args);
~CommandLine();
bool parse(char argc, const char* argv[], bool logError = true, ualni skipArgs = 1);
alni getInt(const String& id);
alnf getFloat(const String& id);
bool getBool(const String& id);
const String& getString(const String& id);
File& getFile(const String& id);
private:
enum class TokType { SPACE, INT, FLOAT, BOOL_FALSE, BOOL_TRUE, STR, NONE, FAILURE, END, } mType;
typedef SimpleTokenizer<char, TokType, TokType::NONE, TokType::FAILURE, TokType::END> Tokenizer;
Tokenizer mTokenizer;
Map<String, Arg*> mArgs;
List<Arg*> mArgsOrder;
ualni mOptionals = 0;
Arg& getArg(const String& id, Arg::Type type);
void ErrInvalidArgCount();
void ErrInvalidArgSyntax(Arg* arg);
void ErrInvalidArgType(Arg* arg);
void ErrFileNotExists(Arg* arg);
void ErrFileCouldNotOpen(Arg* arg);
void ErrValNotinRange(Arg* arg);
void ErrLog();
static void ArgLog(Arg& arg);
static void initDefault(Arg& arg);
void parseArg(Arg& arg, const char* src);
};
};

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@ -0,0 +1,23 @@
#include "Tests.hpp"
using namespace tp;
static CommandLine createCmdLine() {
CommandLine cmd({
{ "bool", CommandLine::Arg::BOOL },
{ "int", CommandLine::Arg::INT },
{ "string", CommandLine::Arg::STR },
{ "float", CommandLine::Arg::FLOAT },
});
return cmd;
}
TEST_DEF_STATIC(Simple) {
auto cmd = createCmdLine();
const char* args[] = { "false", "2", "'str'", "-0.15" };
cmd.parse(4, args, true, 0);
}
TEST_DEF(CommandLine) {
testSimple();
}

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@ -0,0 +1,18 @@
#include "Tests.hpp"
#include "Testing.hpp"
int main() {
tp::ModuleManifest* deps[] = { &tp::gModuleUtils, &tp::gModuleTokenizer, nullptr };
tp::ModuleManifest testModule("CommandLineTest", nullptr, nullptr, deps);
if (!testModule.initialize()) {
return 1;
}
testCommandLine();
testModule.deinitialize();
}

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@ -0,0 +1,7 @@
#pragma once
#include "Testing.hpp"
#include "Allocators.hpp"
#include "CommandLine.hpp"
void testCommandLine();

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@ -80,16 +80,6 @@ namespace tp {
goto LOOP;
}
static bool toValue(const tChar* in, bool& val) {
if (!calcLength(in)) return false;
if (isEqual(in, "False") || isEqual(in, "false") || isEqual(in, "0")) {
val = false;
} else {
val = true;
}
return true;
}
// returns 0 : nl1 + 1 : nl2 + 1 : nl3 + 1 : ... : size
static void calcLineOffsets(const tChar* aBuff, Index aLength, Buffer<Index>& aOut) {
Index lines = 0;
@ -111,34 +101,34 @@ namespace tp {
}
[[nodiscard]] static bool convertStringToValue(const tChar* input, alni& output) {
static bool convertStringToValue(const tChar* input, alni& output) {
char* endPtr;
output = std::strtoll(input, &endPtr, 10);
return (endPtr == input + calcLength(input));
}
[[nodiscard]] static bool convertStringToValue(const tChar* input, alnf& output) {
static bool convertStringToValue(const tChar* input, alnf& output) {
char* endPtr;
output = std::strtod(input, &endPtr);
return (endPtr == input + calcLength(input));
}
[[nodiscard]] static bool convertStringToValue(const tChar* input, bool& output) {
static bool convertStringToValue(const tChar* input, bool& output) {
output = !(isEqualLogic(input, "False") || isEqualLogic(input, "false") || isEqualLogic(input, "0"));
return true;
}
[[nodiscard]] static bool convertValueToString(alni input, tChar* output, Index bufferSize) {
static bool convertValueToString(alni input, tChar* output, Index bufferSize) {
int result = std::snprintf(output, bufferSize, "%lld", input);
return result >= 0;
}
[[nodiscard]] static bool convertValueToString(alnf input, tChar* output, Index bufferSize) {
static bool convertValueToString(alnf input, tChar* output, Index bufferSize) {
int result = std::snprintf(output, bufferSize, "%f", input);
return result >= 0;
}
[[nodiscard]] static bool convertValueToString(bool input, tChar* output, Index bufferSize) {
static bool convertValueToString(bool input, tChar* output, Index bufferSize) {
const char* str = (input ? "true" : "false");
Index length = calcLength(str);
if (length >= bufferSize)

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@ -42,11 +42,12 @@ namespace tp {
MODULE_SANITY_CHECK(gModuleStrings)
DEBUG_ASSERT(aBuff)
auto const len = Logic::calcLength(aBuff);
resize(len);
memCopy(mBuff, aBuff, len);
mReferenceCount = 0;
mIsConst = false;
mEditedIdx = 0;
mBuff = new tChar[len + 1];
mBuff[len] = Logic::getEndChar();
memCopy(mBuff, aBuff, len);
}
[[nodiscard]] tChar* getBuffer() {
@ -72,7 +73,12 @@ namespace tp {
typedef StringData<tChar> Data;
typedef typename Logic::Index Index;
enum { STRINGS_POOL_SIZE = 1024, };
enum {
STRINGS_POOL_SIZE = 1024,
MAX_INT_STRING_LENGTH = 10,
MAX_BOOL_STRING_LENGTH = 10,
MAX_FLOAT_STRING_LENGTH = 10,
};
static PoolAlloc<StringData<tChar>, STRINGS_POOL_SIZE> sStringPool;
static Data sNullString;
@ -137,8 +143,9 @@ namespace tp {
// output will be null if in TextEditing mode
tChar* resize(uint1 size) {
if (!mData->getEditor()) mData->resize(size);
return mData->getBuffer();
makeModifiable();
mData->resize(size);
return write();
}
public:
@ -160,6 +167,40 @@ namespace tp {
}
public: // Syntax sugars
explicit StringTemplate(alni val) {
auto raw = new tChar[MAX_INT_STRING_LENGTH];
Logic::convertValueToString(val, raw, MAX_INT_STRING_LENGTH);
mData = new (sStringPool.allocate(0)) StringData(raw);
}
explicit StringTemplate(alnf val) {
auto raw = new tChar[MAX_FLOAT_STRING_LENGTH];
Logic::convertValueToString(val, raw, MAX_FLOAT_STRING_LENGTH);
mData = new (sStringPool.allocate(0)) StringData(raw);
}
explicit StringTemplate(bool val) {
auto raw = new tChar[MAX_BOOL_STRING_LENGTH];
Logic::convertValueToString(val, raw, MAX_BOOL_STRING_LENGTH);
mData = new (sStringPool.allocate(0)) StringData(raw);
}
explicit operator alni() {
alni out;
return Logic::convertStringToValue(read(), out);
}
explicit operator alnf() {
alnf out;
return Logic::convertStringToValue(read(), out);
}
explicit operator bool() {
bool out;
return Logic::convertStringToValue(read(), out);
}
Index size() const {
return Logic::calcLength(read());
}
@ -181,11 +222,18 @@ namespace tp {
return *this;
}
bool operator==(const StringTemplate& in) const {
if (&in == this) return true;
if (in.mData == mData) return true;
return Logic::isEqualLogic(in.read(), read());
}
public: // Debugging
[[nodiscard]] ualni getReferenceCount() const { return mData->mReferenceCount; }
[[nodiscard]] bool getIsConstFlag() const { return mData->mIsConst; }
};
template<typename tChar>
PoolAlloc<StringData<tChar>, StringTemplate<tChar>::STRINGS_POOL_SIZE> StringTemplate<tChar>::sStringPool;
@ -193,4 +241,9 @@ namespace tp {
StringData<tChar> StringTemplate<tChar>::sNullString;
using String = StringTemplate<int1>;
template<typename tChar>
ualni hash(StringTemplate<tChar> in) {
return hash(in.read());
}
}

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@ -9,6 +9,8 @@
namespace tp {
extern ModuleManifest gModuleTokenizer;
template <typename tAlphabetType, typename tStateType, tStateType tNoStateVal, tStateType tFailedStateVal>
class TransitionMatrix;

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@ -3,6 +3,10 @@
#include "AutomataGraph.h"
namespace tp {
extern ModuleManifest gModuleTokenizer;
}
namespace tp::RegEx {
struct AstNode {