add paths

src/command.c

@@ -3,6 +3,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <sys/types.h>
 
 #include "main.h"
 
@@ -236,6 +237,62 @@ int polls_command(char *command, hashmap *polls, hashmap *cmd) {
   return 1;
 }
 
+int path_command(char *command, hashmap *elements_rev, hashmap *already_done,
+                 int top) {
+  char *page;
+  if (top) {
+    page = handle_pages(command, "/path ");
+    if (page == 0)
+      return 0;
+  } else {
+    page = command;
+  }
+
+  page[strlen(page) - 1] = '\0';
+  if (strlen(page) == 0) return 1;
+
+  if (top) {
+    printf("Path of %s:\n", page);
+    hashmap_free(already_done);
+    already_done = hashmap_create();
+  }
+
+  uintptr_t result;
+  hashmap_get(already_done, page, strlen(page), &result);
+
+  if (result != 0)
+    return 1;
+  hashmap_set(already_done, page, strlen(page), (uintptr_t)1, 0);
+
+  hashmap_get(elements_rev, page, strlen(page) - 1, &result);
+
+  if (result == 0 || strlen((char *)result) < 1)
+    return 1;
+
+  printf("%s: %s", command, (char *)result);
+
+  // todo: refactor;
+  char *tmp = (char *)result, *tmp2 = 0;
+
+  int combos = 0;
+  for (int i = 1; i < MAX_COMBO_LENGTH; i++) {
+    combos = i;
+    tmp2 = tmp;
+    tmp = strstr(tmp, ";");
+    if (tmp == 0 || tmp2 == tmp)
+      break;
+    if (strlen(tmp) < 2) {
+      break;
+    }
+    tmp[0] = '\0';
+    tmp++;
+
+    path_command(tmp, elements_rev, already_done, 0);
+  }
+
+  return 1;
+}
+
 int slash_command(char *command, hashmap *inv) {
 
   int page = handle_pages_int(command, "/inv ");

src/command.h

@@ -4,4 +4,6 @@ int slash_command(char *command, hashmap *inv);
 int suggest_command(char *command, char *command_re, hashmap *polls,
                     char *name);
 int help_command(char *command);
-int polls_command(char *command, hashmap *polls, hashmap *cmd);
+int polls_command(char *command, hashmap *polls, hashmap *cmd);
+int path_command(char *command, hashmap *elements_rev, hashmap *already_done,
+    int top);

src/main.c

@@ -10,11 +10,16 @@
 
 // todo: spacing in combos, clean init_tables
 
-void init_tables(hashmap *elements, hashmap *inv, hashmap *polls, int do_inv) {
+void init_tables(hashmap *elements, hashmap *inv, hashmap *polls,
+                 hashmap *elements_rev, int do_inv) {
   load_elements(elements, "../elem_data/" combo_file, 0);
   load_elements(elements, combo_file, 0) ||
       load_elements(elements, "bin/" combo_file, 0);
 
+  load_elements(elements_rev, "../elem_data/" combo_file, 2);
+  load_elements(elements_rev, combo_file, 2) ||
+      load_elements(elements_rev, "bin/" combo_file, 2);
+
   load_elements(polls, "../elem_data/" poll_file, 2);
 
   if (!do_inv)
@@ -36,6 +41,8 @@ int main(int argc, char *argv[]) {
   }
 
   hashmap *elements = hashmap_create();
+  hashmap *elements_rev = hashmap_create();
+  hashmap *already_done = hashmap_create();
   hashmap *inv = hashmap_create();
   hashmap *polls = hashmap_create();
 
@@ -45,9 +52,11 @@ int main(int argc, char *argv[]) {
 
   int wasCombination = 0;
 
-  init_tables(elements, inv, polls, 1);
+  init_tables(elements, inv, polls, elements_rev, 1);
 
-  printf("user:%s, welcome to Elemental on Command Line!\nType /help for commands.\n", name);
+  printf("user:%s, welcome to Elemental on Command Line!\nType /help for "
+         "commands.\n",
+         name);
   int newline = 1;
   while (1) {
     // todo: separate into functions
@@ -82,6 +91,8 @@ int main(int argc, char *argv[]) {
       continue;
     if (slash_command(command, inv))
       continue;
+    if (path_command(command, elements_rev, already_done, 1))
+      continue;
 
     int combos = get_command(command, command_re, sort_tmp);
 
@@ -106,7 +117,7 @@ int main(int argc, char *argv[]) {
     hashmap_get(elements, command_re, strlen(command_re), &result);
 
     if (result == 0) {
-      init_tables(elements, inv, polls, 0);
+      init_tables(elements, inv, polls, elements_rev, 0);
 
       hashmap_get(elements, command_re, strlen(command_re), &result);
     }