some first slow thoughts
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17881c4066
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@ -1,4 +1,4 @@
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cmake_minimum_required(VERSION 3.0)
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cmake_minimum_required(VERSION 3.5)
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project(mason
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VERSION 0.0.1
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@ -22,6 +22,8 @@ elseif (CMAKE_BUILD_TYPE STREQUAL "Debug")
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list(APPEND COMPILE_OPTIONS -Wextra)
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endif()
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find_package(nlohmann_json REQUIRED)
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add_executable(${PROJECT_NAME})
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target_compile_options(${PROJECT_NAME} PRIVATE ${COMPILE_OPTIONS})
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@ -37,6 +39,9 @@ set_property(TARGET ${PROJECT_NAME} APPEND PROPERTY
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target_include_directories(${PROJECT_NAME} PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src)
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add_subdirectory(src)
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add_subdirectory(test)
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target_link_libraries(${PROJECT_NAME} PRIVATE nlohmann_json::nlohmann_json)
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install(TARGETS ${PROJECT_NAME}
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EXPORT ${PROJECT_NAME}Targets
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@ -1,8 +1,10 @@
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set(SOURCES
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main.cpp
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project.cpp
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)
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set(HEADERS
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project.h
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)
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target_sources(${PROJECT_NAME} PRIVATE ${SOURCES})
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24
src/main.cpp
24
src/main.cpp
@ -1,6 +1,28 @@
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#include <iostream>
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#include <string>
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#include "project.h"
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int main(int argc, char *argv[]) {
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std::cout << "Ahh, shit! Here we go again!" << std::endl;
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std::string firstArg;
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if (argc > 1)
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firstArg = argv[1];
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else
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firstArg = "./";
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Project root(firstArg);
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bool success = root.read();
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if (!success) {
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Project::Log log(root.getLog());
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for (const Project::LogMessage& msg : log)
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std::cout << msg << std::endl;
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return -1;
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} else {
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std::cout << "successfully parsed project " << root.getName() << std::endl;
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}
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return 0;
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}
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61
src/project.cpp
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61
src/project.cpp
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@ -0,0 +1,61 @@
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#include "project.h"
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#include <nlohmann/json.hpp>
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#include <string_view>
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#include <exception>
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constexpr std::string_view entry("mason.json");
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Project::Project(const std::filesystem::path& location):
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location(location),
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status(Status::unknown),
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name()
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{}
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bool Project::read() {
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if (status == Status::read)
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return true;
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std::filesystem::path entryPointPath;
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try {
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entryPointPath = std::filesystem::canonical(location) / entry;
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} catch (const std::exception& e) {
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log(e.what());
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status = Status::error;
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return false;
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}
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std::ifstream file(entryPointPath);
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if (!file.is_open()) {
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log("couldn't open " + std::string(entryPointPath));
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status = Status::error;
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return false;
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}
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try {
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nlohmann::json data = nlohmann::json::parse(file);
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name = data.at("name");
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} catch (const std::exception& e) {
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log(e.what());
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status = Status::error;
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return false;
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}
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return true;
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}
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void Project::log(const std::string& message) const {
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logStorage.emplace_back(message);
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}
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Project::Log Project::getLog() const {
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return logStorage;
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}
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Project::Status Project::getStatus() const {
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return status;
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}
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std::string Project::getName() const {
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return name;
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}
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33
src/project.h
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33
src/project.h
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@ -0,0 +1,33 @@
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#pragma once
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#include <filesystem>
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#include <string>
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#include <fstream>
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#include <list>
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class Project {
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public:
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typedef std::string LogMessage;
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typedef std::list<LogMessage> Log;
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enum class Status {
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unknown,
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read,
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error
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};
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Project(const std::filesystem::path& location);
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bool read();
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Status getStatus() const;
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Log getLog() const;
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std::string getName() const;
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private:
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void log(const std::string& message) const;
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private:
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std::filesystem::path location;
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Status status;
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std::string name;
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mutable Log logStorage;
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};
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1
test/CMakeLists.txt
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1
test/CMakeLists.txt
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configure_file(mason.json mason.json)
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4
test/mason.json
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4
test/mason.json
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{
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"name" : "test",
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"version" : "0.0.1"
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}
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