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authorMax Kellermann <max@duempel.org>2014-12-12 13:47:57 +0100
committerMax Kellermann <max@duempel.org>2014-12-12 22:10:24 +0100
commitfed44e95b3c4bc74c8bd96eaf6f08bc6ad01ed55 (patch)
treea5c6ba9076df11690dfc45c311bb57ef2fdaf7fd
parent71ece564702a5d91d72f5d35fe34fe5cf9f18556 (diff)
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sticker/Song: add enum StickerOperator to sticker_song_find()
Diffstat (limited to '')
-rw-r--r--Makefile.am1
-rw-r--r--src/command/StickerCommands.cxx4
-rw-r--r--src/sticker/Match.hxx31
-rw-r--r--src/sticker/SongSticker.cxx3
-rw-r--r--src/sticker/SongSticker.hxx5
-rw-r--r--src/sticker/StickerDatabase.cxx17
-rw-r--r--src/sticker/StickerDatabase.hxx4
7 files changed, 60 insertions, 5 deletions
diff --git a/Makefile.am b/Makefile.am
index b9ee8d82f..9196fc358 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -356,6 +356,7 @@ libmpd_a_SOURCES += \
src/command/StickerCommands.cxx src/command/StickerCommands.hxx \
src/lib/sqlite/Domain.cxx src/lib/sqlite/Domain.hxx \
src/lib/sqlite/Util.hxx \
+ src/sticker/Match.hxx \
src/sticker/StickerDatabase.cxx src/sticker/StickerDatabase.hxx \
src/sticker/StickerPrint.cxx src/sticker/StickerPrint.hxx \
src/sticker/SongSticker.cxx src/sticker/SongSticker.hxx
diff --git a/src/command/StickerCommands.cxx b/src/command/StickerCommands.cxx
index f2fad86cc..b8eee55c5 100644
--- a/src/command/StickerCommands.cxx
+++ b/src/command/StickerCommands.cxx
@@ -143,6 +143,9 @@ handle_sticker_song(Client &client, ConstBuffer<const char *> args)
const char *const base_uri = args[2];
+ StickerOperator op = StickerOperator::EXISTS;
+ const char *value = nullptr;
+
bool success;
struct sticker_song_find_data data = {
client,
@@ -150,6 +153,7 @@ handle_sticker_song(Client &client, ConstBuffer<const char *> args)
};
success = sticker_song_find(*db, base_uri, data.name,
+ op, value,
sticker_song_find_print_cb, &data,
error);
if (!success) {
diff --git a/src/sticker/Match.hxx b/src/sticker/Match.hxx
new file mode 100644
index 000000000..f91e70b40
--- /dev/null
+++ b/src/sticker/Match.hxx
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
+ * http://www.musicpd.org
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef MPD_STICKER_MATCH_HXX
+#define MPD_STICKER_MATCH_HXX
+
+enum class StickerOperator {
+ /**
+ * Matches if a sticker with the specified name exists. The
+ * "value" parameter is ignored (must be nullptr).
+ */
+ EXISTS,
+};
+
+#endif
diff --git a/src/sticker/SongSticker.cxx b/src/sticker/SongSticker.cxx
index 0b317bf9e..5e5793b70 100644
--- a/src/sticker/SongSticker.cxx
+++ b/src/sticker/SongSticker.cxx
@@ -97,6 +97,7 @@ sticker_song_find_cb(const char *uri, const char *value, void *user_data)
bool
sticker_song_find(const Database &db, const char *base_uri, const char *name,
+ StickerOperator op, const char *value,
void (*func)(const LightSong &song, const char *value,
void *user_data),
void *user_data,
@@ -119,7 +120,7 @@ sticker_song_find(const Database &db, const char *base_uri, const char *name,
data.base_uri_length = strlen(data.base_uri);
- bool success = sticker_find("song", data.base_uri, name,
+ bool success = sticker_find("song", data.base_uri, name, op, value,
sticker_song_find_cb, &data,
error);
free(allocated);
diff --git a/src/sticker/SongSticker.hxx b/src/sticker/SongSticker.hxx
index 918046d0e..ec4f1b344 100644
--- a/src/sticker/SongSticker.hxx
+++ b/src/sticker/SongSticker.hxx
@@ -20,6 +20,7 @@
#ifndef MPD_SONG_STICKER_HXX
#define MPD_SONG_STICKER_HXX
+#include "Match.hxx"
#include "Compiler.h"
#include <string>
@@ -30,7 +31,8 @@ class Database;
class Error;
/**
- * Returns one value from a song's sticker record.
+ * Returns one value from a song's sticker record. The caller must
+ * free the return value with g_free().
*/
gcc_pure
std::string
@@ -81,6 +83,7 @@ sticker_song_get(const LightSong &song, Error &error);
*/
bool
sticker_song_find(const Database &db, const char *base_uri, const char *name,
+ StickerOperator op, const char *value,
void (*func)(const LightSong &song, const char *value,
void *user_data),
void *user_data,
diff --git a/src/sticker/StickerDatabase.cxx b/src/sticker/StickerDatabase.cxx
index e1e5d76ab..3c1245a6e 100644
--- a/src/sticker/StickerDatabase.cxx
+++ b/src/sticker/StickerDatabase.cxx
@@ -370,6 +370,7 @@ sticker_load(const char *type, const char *uri, Error &error)
static sqlite3_stmt *
BindFind(const char *type, const char *base_uri, const char *name,
+ StickerOperator op, const char *value,
Error &error)
{
assert(type != nullptr);
@@ -378,12 +379,21 @@ BindFind(const char *type, const char *base_uri, const char *name,
if (base_uri == nullptr)
base_uri = "";
- return BindAllOrNull(error, sticker_stmt[STICKER_SQL_FIND],
- type, base_uri, name);
+ switch (op) {
+ case StickerOperator::EXISTS:
+ return BindAllOrNull(error, sticker_stmt[STICKER_SQL_FIND],
+ type, base_uri, name);
+ }
+
+ (void)value;
+
+ assert(false);
+ gcc_unreachable();
}
bool
sticker_find(const char *type, const char *base_uri, const char *name,
+ StickerOperator op, const char *value,
void (*func)(const char *uri, const char *value,
void *user_data),
void *user_data,
@@ -392,7 +402,8 @@ sticker_find(const char *type, const char *base_uri, const char *name,
assert(func != nullptr);
assert(sticker_enabled());
- sqlite3_stmt *const stmt = BindFind(type, base_uri, name, error);
+ sqlite3_stmt *const stmt = BindFind(type, base_uri, name, op, value,
+ error);
if (stmt == nullptr)
return false;
diff --git a/src/sticker/StickerDatabase.hxx b/src/sticker/StickerDatabase.hxx
index 38c7d6f95..d3cfe885e 100644
--- a/src/sticker/StickerDatabase.hxx
+++ b/src/sticker/StickerDatabase.hxx
@@ -42,6 +42,7 @@
#ifndef MPD_STICKER_DATABASE_HXX
#define MPD_STICKER_DATABASE_HXX
+#include "Match.hxx"
#include "Compiler.h"
#include <string>
@@ -154,11 +155,14 @@ sticker_load(const char *type, const char *uri,
* @param base_uri the URI prefix of the resources, or nullptr if all
* resources should be searched
* @param name the name of the sticker
+ * @param op the comparison operator
+ * @param value the operand
* @return true on success (even if no sticker was found), false on
* failure
*/
bool
sticker_find(const char *type, const char *base_uri, const char *name,
+ StickerOperator op, const char *value,
void (*func)(const char *uri, const char *value,
void *user_data),
void *user_data,