1 files changed, 181 insertions, 42 deletions

diff --git a/src/uci/state.c b/src/uci/state.c
index 56e0b04..ac043ed 100644
--- a/src/uci/state.c
+++ b/src/uci/state.c
@@ -1,80 +1,219 @@
 #include <string.h>
-#include "state.h"
+#include "uci/state.h"
 
-option_setting_t option_setting_combo(
-  char* option_name,
-  char** combinations,
+void option_setting_combo(
+  option_setting_t *target,
+  char *option_name,
+  char **combinations,
   int combinations_count,
   int default_index,
   combo_t *combo
 ) {
-  option_setting_t output = {0};
-  strncpy(output.option_name, option_name, 32);
-  output.type = OPTION_COMBO;
-  output.data.combo = (option_combo_setting_t) {
+  strncpy(target->option_name, option_name, 32);
+  target->type = OPTION_COMBO;
+  target->data.combo = (option_combo_setting_t) {
     combinations,
     combinations_count,
     default_index
   };
-  output.value.combo = combo;
+  target->value.combo = combo;
   *combo = default_index;
-  return output;
 }
 
-option_setting_t option_setting_spin(
-  const char* option_name,
+void option_setting_spin(
+  option_setting_t *target,
+  const char *option_name,
   int min,
   int max,
   int default_value,
   spin_t *spin
 ) {
-  option_setting_t output = {0};
-  strncpy(output.option_name, option_name, 32);
-  output.type = OPTION_SPIN;
-  output.data.spin = (option_spin_setting_t) { min, max, default_value };
-  output.value.spin = spin;
+  strncpy(target->option_name, option_name, 32);
+  target->type = OPTION_SPIN;
+  target->data.spin = (option_spin_setting_t) { min, max, default_value };
+  target->value.spin = spin;
   *spin = default_value;
-  return output;
 }
 
-option_setting_t option_setting_check(
-  const char* option_name,
+void option_setting_check(
+  option_setting_t *target,
+  const char *option_name,
   bool default_value,
   check_t *check
 ) {
-  option_setting_t output = {0};
-  strncpy(output.option_name, option_name, 32);
-  output.type = OPTION_CHECK;
-  output.data.check_default = default_value;
-  output.value.check = check;
+  strncpy(target->option_name, option_name, 32);
+  target->type = OPTION_CHECK;
+  target->data.check_default = default_value;
+  target->value.check = check;
   *check = default_value;
-  return output;
 }
 
-option_setting_t option_setting_string(
-  const char* option_name,
-  const char* default_value,
+void option_setting_string(
+  option_setting_t *target,
+  const char *option_name,
+  const char *default_value,
   str_t *string
 ) {
-  option_setting_t output = {0};
-  strncpy(output.option_name, option_name, 32);
-  output.type = OPTION_STRING;
-  output.data.string_default = default_value;
-  output.value.string = string;
+  strncpy(target->option_name, option_name, 32);
+  target->type = OPTION_STRING;
+  target->data.string_default = default_value;
+  target->value.string = string;
   string->length = strlen(default_value);
   string->data = malloc(string->length);
   memcpy(string->data, default_value, string->length);
-  return output;
 }
 
-option_setting_t option_setting_button(
-  const char* option_name,
+void option_setting_button(
+  option_setting_t *target,
+  const char *option_name,
   button_t *button
 ) {
-  option_setting_t output = {0};
-  strncpy(output.option_name, option_name, 32);
-  output.type = OPTION_BUTTON;
-  output.value.button = button;
+  strncpy(target->option_name, option_name, 32);
+  target->type = OPTION_BUTTON;
+  target->value.button = button;
   *button = false;
-  return output;
 }
+
+// examples from uci_min.txt
+// option name Nullmove type check default true\n
+// option name Selectivity type spin default 2 min 0 max 4\n
+// option name Style type combo default Normal var Solid var Normal var Risky\n
+// option name NalimovPath type string default c:\\n
+// option name Clear Hash type button\n
+void print_setting(option_setting_t setting) {
+  printf("option name %s type ", setting.option_name);
+  // accidently did the yoda style if statement, i am keeping it
+  if (OPTION_SPIN == setting.type) {
+    option_spin_setting_t data = setting.data.spin;
+    printf(
+      "spin default %d min %d max %d\n",
+      data.default_value,
+      data.min,
+      data.max
+    );
+  } else if (OPTION_COMBO == setting.type) {
+    option_combo_setting_t data = setting.data.combo;
+    printf("combo default %s", data.combination[data.default_index]);
+    for (int i = 0; i < data.count; i++) {
+      printf(" var %s", data.combination[i]);
+    }
+    printf("\n");
+  } else if (OPTION_CHECK == setting.type) {
+    printf("check default %d\n", setting.data.check_default);
+  } else if (OPTION_STRING == setting.type) {
+    printf("string default %s\n", setting.data.string_default);
+  } else if (OPTION_BUTTON == setting.type) {
+    printf("button\n");
+  } else { assert(0); }
+}
+
+void uci_state_init(uci_state_t *state) {
+  state->signal = UCI_SIGNAL_NONE;
+  strncpy(state->name, "Gacrux", 32);
+  strncpy(state->author, "Aargh Rai <aarghrai.com>", 32);
+  int k = 0;
+  option_setting_spin(
+    state->option_settings + k++,
+    "Threads",
+    1, 5, 1,
+    &state->threads
+  );
+  option_setting_spin(
+    state->option_settings + k++,
+    "Hash",
+    0, 512, 256,
+    &state->hash
+  );
+  option_setting_button(
+    state->option_settings + k++,
+    "Clear Hash",
+    &state->clear_hash
+  );
+  option_setting_check(
+    state->option_settings + k++,
+    "UCI_ShowCurrLine",
+    false,
+    &state->uci_showcurrline
+  );
+  option_setting_check(
+    state->option_settings + k++,
+    "UCI_ShowRefutations",
+    false,
+    &state->uci_showrefutations
+  );
+  option_setting_check(
+    state->option_settings + k++,
+    "UCI_LimitStrength",
+    false,
+    &state->uci_limitstrength
+  );
+  option_setting_spin(
+    state->option_settings + k++,
+    "UCI_Elo",
+    100, 3500, 800,
+    &state->uci_elo
+  );
+  option_setting_check(
+    state->option_settings + k++,
+    "UCI_AnalyseMode",
+    false,
+    &state->uci_analysemode
+  );
+  option_setting_string(
+    state->option_settings + k++,
+    "UCI_Opponent",
+    "<empty>",
+    &state->uci_opponent
+  );
+  option_setting_string(
+    state->option_settings + k++,
+    "UCI_EngineAbout",
+    "Gacrux by Aargh Rai, Checkout https://git.aarghrai.com/gacrux",
+    &state->uci_engineabout
+  );
+  option_setting_string(
+    state->option_settings + k++,
+    "UCI_SetPositionValue",
+    "<empty>",
+    &state->uci_setpositionvalue
+  );
+}
+
+void uci_state_deinit(uci_state_t *state) {}
+
+void apply_option(uci_state_t *state, char *name, char *buffer) {
+  int settings_count = sizeof(state->option_settings)/sizeof(option_setting_t);
+  for (int i = 0; i < settings_count; i++) {
+    option_setting_t setting = state->option_settings[i];
+    if (strcmp(setting.option_name, name)) continue;
+    if (OPTION_SPIN == setting.type) {
+      option_spin_setting_t data = setting.data.spin;
+      int num = atoi(buffer);
+      if (num < data.min) return;
+      if (num > data.max) return;
+      *setting.value.spin = num;
+    } else if (OPTION_COMBO == setting.type) {
+      option_combo_setting_t data = setting.data.combo;
+      for (int j = 0; j < data.count; j++) {
+        if (strcmp(data.combination[i], buffer)) continue;
+        *setting.value.combo = j;
+      }
+    } else if (OPTION_CHECK == setting.type) {
+      *setting.value.check = strcmp(buffer, "true") == 0;
+    } else if (OPTION_STRING == setting.type) {
+      free(setting.value.string->data);
+      setting.value.string->length = strlen(buffer);
+      setting.value.string->data = malloc(setting.value.string->length);
+      memcpy(setting.value.string->data, buffer, setting.value.string->length);
+    } else if (OPTION_BUTTON == setting.type) {
+      *setting.value.button = true;
+    } else { assert(0); }
+
+    memcpy(state->option_settings + i, &setting, sizeof(setting));
+    return;
+  }
+  if (state->debug) {
+    printf("info invalid option\n");
+  }
+}
+