Begin rewriting in C++

.gitmodules

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+[submodule "3rdparty/jsoncpp"]
+	path = 3rdparty/jsoncpp
+	url = https://github.com/open-source-parsers/jsoncpp

3rdparty/jsoncpp

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+Subproject commit 8190e061bc2d95da37479a638aa2c9e483e58ec6

CourseOfferingsScraper.cpp

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+#include<set>
+#include<regex>
+#include<fstream>
+#include<iostream>
+#include<filesystem>
+#include<dist/jsoncpp.cpp>
+
+namespace fs = std::filesystem;
+void handle_term(const fs::directory_entry&,Json::Value&);
+void handle_course(const Json::Value&,const std::string&,Json::Value&);
+void handle_attribute(Json::Value&,const std::string&);
+
+int main(const int argc,const char** argv) {
+        if(argc < 2) {
+                std::cerr << "Bad number of arguments " << argc << std::endl;
+                return EXIT_FAILURE;
+        }
+
+        const auto data_dir_path = fs::path(argv[1]);
+        
+        if(!fs::is_directory(data_dir_path)) {
+                std::cerr << "Data dir argument " << data_dir_path << " is not a directory" << std::endl;
+                return EXIT_FAILURE;
+        }
+
+        const auto data_dir = fs::directory_iterator(data_dir_path);
+
+        std::set<fs::directory_entry> term_dirs;
+        for(const fs::directory_entry term : data_dir) {
+                term_dirs.insert(term);
+        }
+
+        Json::Value terms_offered;
+        terms_offered["all_terms"] = Json::arrayValue;
+        for(auto term : term_dirs) {
+                if(!fs::is_directory(term)) {
+                        continue;
+                }
+
+                handle_term(term,terms_offered);
+        }
+
+        //std::cout << terms_offered["all_terms"] << std::endl;
+        //std::cout << terms_offered["MATH-4020"] << std::endl;
+        std::cout << terms_offered << std::endl;
+
+        return EXIT_SUCCESS;
+}
+
+void handle_term(const fs::directory_entry& term_entry,
+                Json::Value& terms_offered) {
+        const fs::path dir = term_entry.path();
+        const auto dirname = dir.string();
+        const auto term = dir.stem().string();
+        const auto courses_filename = dirname + "/courses.json";
+        const auto prereqs_filename = dirname + "/prerequisites.json";
+        std::fstream courses_file{courses_filename,std::ios::in};
+        std::fstream prereqs_file{prereqs_filename,std::ios::in};
+
+#ifdef DEBUG
+        std::cerr << '\t' << courses_filename << std::endl;
+        std::cerr << '\t' << prereqs_filename << std::endl;
+        std::cerr << "Processing term " << term << "..." << std::endl;
+#endif
+        terms_offered["all_terms"].append(term);
+
+        Json::Value courses;
+        courses_file >> courses;
+        for(auto prefix : courses) {
+#ifdef DEBUG
+                std::cerr << "\tProcessing prefix "
+                          << prefix["code"]
+                          << " - "
+                          << prefix["name"]
+                          << "..."
+                          << std::endl;
+#endif
+                for(auto course : prefix["courses"]) {
+                        handle_course(course,term,terms_offered);
+                }
+        }
+}
+
+void handle_course(const Json::Value& course,const std::string& term,Json::Value& terms_offered) {
+        const auto course_code = course["id"].asString();
+        auto& course_term = terms_offered[course_code][term];
+        course_term["title"] = course["title"];
+
+        int credMin = Json::Value::maxInt;
+        int credMax = 0;
+        for(auto section : course["sections"]) {
+                credMin = std::min(credMin,section["credMin"].asInt());
+                credMax = std::max(credMax,section["credMax"].asInt());
+        }
+        course_term["credMin"] = credMin;
+        course_term["credMax"] = credMax;
+        
+        const auto section = course["sections"][0];
+
+        const auto delim = std::regex(" and |, ");
+        const auto attributes_str = section["attribute"].asString();
+        const auto end_itr = std::sregex_token_iterator();
+
+        auto attributes_itr = std::sregex_token_iterator(
+                        attributes_str.begin(),
+                        attributes_str.end(),
+                        delim,-1);
+        while(attributes_itr != end_itr
+           && !attributes_itr->str().empty()) {
+                handle_attribute(course_term,attributes_itr->str());
+                attributes_itr++;
+        }
+}
+
+void handle_attribute(Json::Value& course_term,const std::string& attribute) {
+        std::string attr;
+        if(attribute == "Communication Intensive") {
+                attr = "[CI]";
+        } else if(attribute == "Writing Intensive") {
+                attr = "[WI]";
+        } else if(attribute == "HASS Inquiry") {
+                attr = "[HInq]";
+        } else if(attribute == "Culminating Exp/Capstone") {
+                attr = "[CulmExp]";
+        } else if(attribute == "PDII Option for Engr Majors") {
+                attr = "[PDII]";
+        }
+        if(!attr.empty()) {
+                course_term["attributes"].append(attr);
+        }
+}