config file source

Makefile.am

@@ -1,6 +1,6 @@
 AUTOMAKE_OPTIONS = foreign subdir-objects -Wall
 bin_PROGRAMS = forge
-forge_SOURCES = src/main.c src/args.c src/forge.c src/file.c src/window.c src/shaders.c src/timer.c src/strings.c $(top_srcdir)/include/glad/gl.h $(top_srcdir)/hashmap.c/hashmap.c
+forge_SOURCES = src/main.c src/args.c src/forge.c src/file.c src/window.c src/shaders.c src/timer.c src/strings.c src/config_file.c $(top_srcdir)/include/glad/gl.h $(top_srcdir)/hashmap.c/hashmap.c
 forge_CFLAGS = -Ofast -march=native -flto -funroll-loops -fprefetch-loop-arrays -fno-exceptions -fopenmp -I$(top_srcdir)/include -DGLFW_INCLUDE_NONE
 forge_LDADD = -lm -lGL -lglfw
-include_HEADERS = src/main.h src/args.h src/config.h src/types.h src/forge.h src/file.h src/constants.h src/window.h src/shaders.h src/logs.h src/timer.h src/strings.h $(top_srcdir)/include/glad/gl.h $(top_srcdir)/include/linmath.h $(top_srcdir)/include/hashmap.h
+include_HEADERS = src/main.h src/args.h src/config.h src/types.h src/forge.h src/file.h src/constants.h src/window.h src/shaders.h src/logs.h src/timer.h src/strings.h src/config_file.h $(top_srcdir)/include/glad/gl.h $(top_srcdir)/include/linmath.h $(top_srcdir)/include/hashmap.h

configure.ac

@@ -6,6 +6,7 @@ AC_CHECK_HEADERS([stdlib.h])
 AC_CHECK_HEADERS([stdbool.h])
 AC_CHECK_HEADERS([stddef.h])
 AC_CHECK_HEADERS([string.h])
+AC_CHECK_HEADERS([stdint.h])
 AC_CHECK_HEADERS([time.h])
 AC_CHECK_HEADERS([math.h])
 AC_CHECK_HEADERS([sys/stat.h])

src/config_file.c

@@ -0,0 +1,73 @@
+#include <hashmap.h>
+#include <stdlib.h>
+
+#include "config_file.h"
+#include "file.h"
+#include "types.h"
+
+static int item_compare(const void *a, const void *b,
+                        __attribute__((unused)) void *udata) {
+  const ConfigFileItem *c_item_a;
+  const ConfigFileItem *c_item_b;
+
+  c_item_a = a;
+  c_item_b = b;
+
+  return strcmp(c_item_a->key, c_item_b->key);
+}
+
+static uint64_t item_hash(const void *item, uint64_t seed0, uint64_t seed1) {
+  const ConfigFileItem *c_item;
+
+  c_item = item;
+
+  return hashmap_sip(c_item->key, strlen(c_item->key), seed0, seed1);
+}
+
+ConfigFile config_file_read(char *path, bool free_path) {
+  File file;
+  ConfigFile output;
+
+  file = file_read(path);
+
+  output.map = hashmap_new(sizeof(ConfigFileItem), 0, 0, 0, item_hash,
+                           item_compare, NULL, NULL);
+
+  // TODO
+
+  file_free(&file, free_path);
+
+  return output;
+}
+
+char *config_file_get_str(ConfigFile config, char *key, char *default_value) {
+  ConfigFileItem c_key;
+  ConfigFileItem *item;
+
+  c_key.key = key;
+
+  item = (ConfigFileItem *)hashmap_get(config.map, &c_key);
+
+  if (item == NULL) {
+    return default_value;
+  }
+
+  return item->value;
+}
+
+int config_file_get_int(ConfigFile config, char *key, int default_value) {
+  ConfigFileItem c_key;
+  ConfigFileItem *item;
+
+  c_key.key = key;
+
+  item = (ConfigFileItem *)hashmap_get(config.map, &c_key);
+
+  if (item == NULL) {
+    return default_value;
+  }
+
+  return atoi(item->value);
+}
+
+void config_file_free(ConfigFile config) { hashmap_free(config.map); }

src/config_file.h

@@ -0,0 +1,14 @@
+#include "types.h"
+
+#ifndef CONFIG_FILE_H
+#define CONFIG_FILE_H
+
+ConfigFile config_file_read(char *path, bool free_path);
+
+char *config_file_get_str(ConfigFile config, char *key, char *default_value);
+
+int config_file_get_int(ConfigFile config, char *key, int default_value);
+
+void config_file_free(ConfigFile config);
+
+#endif /* CONFIG_FILE_H */

src/types.h

@@ -1,5 +1,6 @@
 #include <GLFW/glfw3.h>
 #include <glad/gl.h>
+#include <hashmap.h>
 #include <linmath.h>
 #include <stdbool.h>
 #include <sys/time.h>
@@ -77,4 +78,13 @@ typedef struct Timer {
   unsigned int target;
 } Timer;
 
+typedef struct ConfigFile {
+  struct hashmap *map;
+} ConfigFile;
+
+typedef struct ConfigFileItem {
+  char *key;
+  char *value;
+} ConfigFileItem;
+
 #endif /* TYPES_H */