From b3e22f60604553005cf0ec8919d21299d3963878 Mon Sep 17 00:00:00 2001
From: meepingsnesroms <guicrith@gmail.com>
Date: Wed, 15 Nov 2017 16:42:22 -0800
Subject: [PATCH] Add option to search libretro databases and only print game
 name

---
 libretro-db/README.md         |  5 ++++
 libretro-db/libretrodb_tool.c | 43 +++++++++++++++++++++++++++++++++++
 2 files changed, 48 insertions(+)

diff --git a/libretro-db/README.md b/libretro-db/README.md
index 29e9a11d92..463bc9145e 100644
--- a/libretro-db/README.md
+++ b/libretro-db/README.md
@@ -66,6 +66,11 @@ Usecase: Search for all games released on October 1995.
 
 `libretrodb_tool <db file> find "{'releasemonth':10,'releaseyear':1995}"`
 
+3) Names only search
+Usecase: Search for all games released on October 1995, wont print checksums, filename or rom size, only the game name.
+
+`libretrodb_tool <db file> get-names "{'releasemonth':10,'releaseyear':1995}"`
+
 # Compiling the Database
 
 Use [libretro-super](https://github.com/libretro/libretro-super) to compile the entire database:
diff --git a/libretro-db/libretrodb_tool.c b/libretro-db/libretrodb_tool.c
index b7e05524b6..b5d8842005 100644
--- a/libretro-db/libretrodb_tool.c
+++ b/libretro-db/libretrodb_tool.c
@@ -44,6 +44,7 @@ int main(int argc, char ** argv)
       printf("\tlist\n");
       printf("\tcreate-index <index name> <field name>\n");
       printf("\tfind <query expression>\n");
+      printf("\tget-names <query expression>\n");
       return 1;
    }
 
@@ -113,6 +114,48 @@ int main(int argc, char ** argv)
          rmsgpack_dom_value_free(&item);
       }
    }
+   else if (memcmp(command, "get-names", 9) == 0)
+   {
+      if (argc != 4)
+      {
+         printf("Usage: %s <db file> find-name <query expression>\n", argv[0]);
+         goto error;
+      }
+      
+      query_exp = argv[3];
+      error = NULL;
+      q = libretrodb_query_compile(db, query_exp, strlen(query_exp), &error);
+      
+      if (error)
+      {
+         printf("%s\n", error);
+         goto error;
+      }
+      
+      if ((rv = libretrodb_cursor_open(db, cur, q)) != 0)
+      {
+         printf("Could not open cursor: %s\n", strerror(-rv));
+         goto error;
+      }
+      
+      while (libretrodb_cursor_read_item(cur, &item) == 0)
+      {
+         if (item.type == RDT_MAP) //should always be true, but if false the program would segfault
+         {
+            unsigned i;
+            for (i = 0; i < item.val.map.len; i++)
+            {
+               if (item.val.map.items[i].key.type == RDT_STRING && (strncmp(item.val.map.items[i].key.val.string.buff, "name", item.val.map.items[i].key.val.string.len) == 0))
+               {
+                  rmsgpack_dom_value_print(&item.val.map.items[i].value);
+                  printf("\n");
+               }
+            }
+         }
+
+         rmsgpack_dom_value_free(&item);
+      }
+   }
    else if (memcmp(command, "create-index", 12) == 0)
    {
       const char * index_name, * field_name;