update hashmap to include hash, eq and alloc

include/blt/parse/argparse.h

@@ -112,13 +112,13 @@ namespace blt::parser {
         private:
         public:
             arg_vector a_flags;
-            arg_action a_action;
+            arg_action a_action = arg_action::STORE;
-            arg_nargs a_nargs;
+            arg_nargs a_nargs = 0;
-            std::optional<std::string> a_const;
+            std::optional<std::string> a_const{};
-            std::string a_default;
+            std::string a_default{};
-            std::string a_def;
+            std::string a_def{};
-            std::string a_help;
+            std::string a_help{};
-            std::string a_metavar;
+            std::string a_metavar{};
             bool a_required = false;
     };
     
@@ -143,7 +143,7 @@ namespace blt::parser {
         public:
             arg_tokenizer() = default;
             
-            arg_tokenizer(const char** argv, size_t argc);
+            arg_tokenizer(size_t argc, const char** argv);
             
             inline void forward() {
                 nextIndex++;
@@ -166,23 +166,28 @@ namespace blt::parser {
             }
     };
     
-    struct arg_results {
-        private:
-        
-        public:
-        
-    };
-    
     class argparse {
         private:
             arg_tokenizer tokenizer;
             
+            struct {
+                std::vector<arg_properties> argStorage;
+                HASHMAP<std::string, arg_properties*> flagAssociations;
+                HASHMAP<std::string, arg_properties*> nameAssociations;
+            } user_args;
+            
+            struct arg_results {
+                std::string programName;
+                HASHMAP<std::string, std::string> positionalArgs;
+                
+            } loaded_args;
+            
             static bool validateArgument(const arg_properties& args);
         public:
             argparse() = default;
             
             void addArgument(const arg_properties& args);
-        
+            const arg_results& parse_args(int argc, const char** argv);
     };
     
 }

include/blt/std/hashmap.h

@@ -9,21 +9,36 @@
 
 #ifndef HASHMAP
     #if defined __has_include && __has_include(<parallel_hashmap/phmap.h>)
+        
         #include <parallel_hashmap/phmap.h>
         #include <parallel_hashmap/phmap_fwd_decl.h>
-        template<typename K, typename V>
+
-        using HASHMAP = phmap::flat_hash_map<K, V>;
+template<class K, class V,
-        template<typename K>
+        class Hash  = phmap::priv::hash_default_hash<K>,
-        using HASHSET = phmap::flat_hash_set<K>;
+        class Eq    = phmap::priv::hash_default_eq<K>,
+        class Alloc = phmap::priv::Allocator<phmap::priv::Pair<const K, V>>>
+using HASHMAP = phmap::flat_hash_map<K, V, Hash, Eq, Alloc>;
+template<class T,
+        class Hash  = phmap::priv::hash_default_hash<T>,
+        class Eq    = phmap::priv::hash_default_eq<T>,
+        class Alloc = phmap::priv::Allocator<T>>
+using HASHSET = phmap::flat_hash_set<T, Hash, Eq, Alloc>;
     #else
+        
         #include <unordered_map>
         #include <unordered_set>
 
-template<typename K, typename V>
+template<typename K, typename V,
-using HASHMAP = std::unordered_map<K, V>;
+        typename Hash = std::hash<K>,
+        typename Eq = std::equal_to<K>,
+        typename Alloc = std::allocator<std::pair<const K, V>>>
+using HASHMAP = std::unordered_map<K, V, Hash, Eq, Alloc>;
 
-template<typename K>
+template<typename K,
-using HASHSET = std::unordered_set<K>;
+        typename Hash = std::hash<K>,
+        typename Eq = std::equal_to<K>,
+        typename Alloc = std::allocator<K>>
+using HASHSET = std::unordered_set<K, Hash, Eq, Alloc>;
     #endif
 #endif
 

libraries/parallel-hashmap

@@ -1 +1 @@
-Subproject commit 77cab8192a879e5d27188f97e8f2080dd7e36ca8
+Subproject commit 93201da2ba5a6aba0a6e57ada64973555629b3e3

src/blt/parse/argparse.cpp

@@ -96,7 +96,7 @@ namespace blt::parser {
             flags |= ALL;
     }
     
-    arg_tokenizer::arg_tokenizer(const char** argv, size_t argc) {
+    arg_tokenizer::arg_tokenizer(size_t argc, const char** argv) {
         for (size_t i = 0; i < argc; i++)
             args.emplace_back(argv[i]);
     }
@@ -111,6 +111,27 @@ namespace blt::parser {
             BLT_WARN("(Discarding argument)");
             return;
         }
+        // store one copy of the properties (arg properties could in theory be very large!)
+        auto pos = user_args.argStorage.size();
+        user_args.argStorage.push_back(args);
+        auto& arg = user_args.argStorage[pos];
+        // associate the arg properties per name and flag to allow for quick access when parsing
+        auto& names = args.a_flags.getNames();
+        for (const auto& name : names)
+            user_args.nameAssociations[name] = &arg;
+        
+        auto& flags = args.a_flags.getFlags();
+        for (const auto& flag : flags)
+            user_args.flagAssociations[flag] = &arg;
+    }
+    
+    const argparse::arg_results& argparse::parse_args(int argc, const char** argv) {
+        loaded_args = {};
+        arg_tokenizer asToken(argc, argv);
+        loaded_args.programName = asToken.next();
+        BLT_TRACE("Loading args for %s", loaded_args.programName.c_str());
+        
+        return loaded_args;
     }
     
     

src/tests/main.cpp

@@ -1,15 +1,16 @@
 
 #include <unordered_map>
-#include "binary_trees.h"
+//#include "binary_trees.h"
-#include "logging.h"
+//#include "logging.h"
 #include "profiling_tests.h"
 #include "nbt_tests.h"
-#include "queue_tests.h"
+#include "blt/parse/argparse.h"
-#include "blt/math/vectors.h"
+//#include "queue_tests.h"
-#include "blt/math/matrix.h"
+//#include "blt/math/vectors.h"
-#include <bitset>
+//#include "blt/math/matrix.h"
-#include "hashmap_tests.h"
+//#include <bitset>
-#include <functional>
+//#include "hashmap_tests.h"
+//#include <functional>
 
 std::function<int(int i)> test{
     [](int i) -> int {
@@ -66,7 +67,10 @@ int (*func_func)(int) = [](int i) -> int {
 
 int (*func_func_in)(int) = &test_as_func;
 
-int main(int argc, char** argv) {
+int main(int argc, const char** argv) {
+    blt::parser::argparse parser;
+    parser.addArgument({{"--foo", "-f"}});
+    auto args = parser.parse_args(argc, argv);
 //
 //    if (argc > 1 && std::string(argv[1]) == "--no_color") {
 //        for (int i = (int)blt::logging::log_level::NONE; i < (int)blt::logging::log_level::FATAL; i++) {