command: new commands "findin", "searchin" with base URI

NEWS

@@ -5,6 +5,7 @@ ver 0.18 (2012/??/??)
 * protocol:
   - new command "readcomments" lists arbitrary file tags
   - new command "toggleoutput"
+  - new commands "findin", "searchin" with base URI
   - search for album artist falls back to the artist tag
   - re-add the "volume" command
 * input:

doc/protocol.xml

@@ -1491,6 +1491,23 @@ OK
             </para>
           </listitem>
         </varlistentry>
+        <varlistentry id="command_findin">
+          <term>
+            <cmdsynopsis>
+              <command>findin</command>
+              <arg choice="req"><replaceable>URI</replaceable></arg>
+              <arg choice="req"><replaceable>TYPE</replaceable></arg>
+              <arg choice="req"><replaceable>WHAT</replaceable></arg>
+              <arg choice="opt"><replaceable>...</replaceable></arg>
+            </cmdsynopsis>
+          </term>
+          <listitem>
+            <para>
+              Like <command>find</command>, but allows specifying a
+              base URI for the find.
+            </para>
+          </listitem>
+        </varlistentry>
         <varlistentry id="command_findadd">
           <term>
             <cmdsynopsis>
@@ -1626,6 +1643,23 @@ OK
             </para>
           </listitem>
         </varlistentry>
+        <varlistentry id="command_searchin">
+          <term>
+            <cmdsynopsis>
+              <command>searchin</command>
+              <arg choice="req"><replaceable>URI</replaceable></arg>
+              <arg choice="req"><replaceable>TYPE</replaceable></arg>
+              <arg choice="req"><replaceable>WHAT</replaceable></arg>
+              <arg choice="opt"><replaceable>...</replaceable></arg>
+            </cmdsynopsis>
+          </term>
+          <listitem>
+            <para>
+              Like <command>search</command>, but allows specifying a
+              base URI for the search.
+            </para>
+          </listitem>
+        </varlistentry>
         <varlistentry id="command_searchadd">
           <term>
             <cmdsynopsis>

src/command/AllCommands.cxx

@@ -91,6 +91,7 @@ static const struct command commands[] = {
 	{ "enableoutput", PERMISSION_ADMIN, 1, 1, handle_enableoutput },
 	{ "find", PERMISSION_READ, 2, -1, handle_find },
 	{ "findadd", PERMISSION_READ, 2, -1, handle_findadd},
+	{ "findin", PERMISSION_READ, 3, -1, handle_find_in },
 	{ "idle", PERMISSION_READ, 0, -1, handle_idle },
 	{ "kill", PERMISSION_ADMIN, -1, -1, handle_kill },
 	{ "list", PERMISSION_READ, 1, -1, handle_list },
@@ -142,6 +143,7 @@ static const struct command commands[] = {
 	{ "search", PERMISSION_READ, 2, -1, handle_search },
 	{ "searchadd", PERMISSION_ADD, 2, -1, handle_searchadd },
 	{ "searchaddpl", PERMISSION_CONTROL, 3, -1, handle_searchaddpl },
+	{ "searchin", PERMISSION_READ, 3, -1, handle_search_in },
 	{ "seek", PERMISSION_CONTROL, 2, 2, handle_seek },
 	{ "seekcur", PERMISSION_CONTROL, 1, 1, handle_seekcur },
 	{ "seekid", PERMISSION_CONTROL, 2, 2, handle_seekid },

src/command/DatabaseCommands.cxx

@@ -55,7 +55,8 @@ handle_lsinfo2(Client &client, int argc, char *argv[])
 }
 
 static CommandResult
-handle_match(Client &client, int argc, char *argv[], bool fold_case)
+handle_match(Client &client, int argc, char *argv[],
+	     const char *uri, bool fold_case)
 {
 	SongFilter filter;
 	if (!filter.Parse(argc - 1, argv + 1, fold_case)) {
@@ -63,7 +64,7 @@ handle_match(Client &client, int argc, char *argv[], bool fold_case)
 		return CommandResult::ERROR;
 	}
 
-	const DatabaseSelection selection("", true, &filter);
+	const DatabaseSelection selection(uri, true, &filter);
 
 	Error error;
 	return db_selection_print(client, selection, true, error)
@@ -74,13 +75,25 @@ handle_match(Client &client, int argc, char *argv[], bool fold_case)
 CommandResult
 handle_find(Client &client, int argc, char *argv[])
 {
-	return handle_match(client, argc, argv, false);
+	return handle_match(client, argc, argv, "", false);
+}
+
+CommandResult
+handle_find_in(Client &client, int argc, char *argv[])
+{
+	return handle_match(client, argc - 1, argv + 1, argv[1], false);
 }
 
 CommandResult
 handle_search(Client &client, int argc, char *argv[])
 {
-	return handle_match(client, argc, argv, true);
+	return handle_match(client, argc, argv, "", true);
+}
+
+CommandResult
+handle_search_in(Client &client, int argc, char *argv[])
+{
+	return handle_match(client, argc - 1, argv + 1, argv[1], true);
 }
 
 static CommandResult

src/command/DatabaseCommands.hxx

@@ -31,12 +31,18 @@ CommandResult
 handle_find(Client &client, int argc, char *argv[]);
 
 CommandResult
+handle_find_in(Client &client, int argc, char *argv[]);
+
+CommandResult
 handle_findadd(Client &client, int argc, char *argv[]);
 
 CommandResult
 handle_search(Client &client, int argc, char *argv[]);
 
 CommandResult
+handle_search_in(Client &client, int argc, char *argv[]);
+
+CommandResult
 handle_searchadd(Client &client, int argc, char *argv[]);
 
 CommandResult