now more flexible list, search, find, where you can enter pairs of

"conditionals".  Note that logical and is implied.

git-svn-id: https://svn.musicpd.org/mpd/trunk@2624 09075e82-0dd4-0310-85a5-a0d7c8717e4f

3 files changed, 152 insertions, 43 deletions

diff --git a/src/command.c b/src/command.c
index e2bf84460..248fa1542 100644
--- a/src/command.c
+++ b/src/command.c
@@ -444,17 +444,18 @@ int handleFind(FILE * fp, unsigned int * permission, int argArrayLength,
 {
 	int ret;
 
-	LocateTagItem * item = newLocateTagItem(argArray[1], argArray[2]);
+	LocateTagItem * items;
+	int numItems = newLocateTagItemArrayFromArgArray(argArray+1, 
+			argArrayLength-1, &items);
 
-	if(!item) {
-		commandError(fp, ACK_ERROR_ARG, "\%s\" isn't recognized", 
-				argArray[1]);
+	if(numItems <= 0) {
+		commandError(fp, ACK_ERROR_ARG, "incorrect ags", NULL); 
 		return -1;
 	}
 
-        ret = findSongsIn(fp, NULL, item);
+        ret = findSongsIn(fp, NULL, numItems, items);
 
-	freeLocateTagItem(item);
+	freeLocateTagItemArray(numItems, items);
 
 	return ret;
 }
@@ -464,17 +465,18 @@ int handleSearch(FILE * fp, unsigned int * permission, int argArrayLength,
 {
 	int ret;
 
-	LocateTagItem * item = newLocateTagItem(argArray[1], argArray[2]);
+	LocateTagItem * items;
+	int numItems = newLocateTagItemArrayFromArgArray(argArray+1, 
+			argArrayLength-1, &items);
 
-	if(!item) {
-		commandError(fp, ACK_ERROR_ARG, "\%s\" isn't recognized", 
-				argArray[1]);
+	if(numItems <= 0) {
+		commandError(fp, ACK_ERROR_ARG, "incorrect ags", NULL); 
 		return -1;
 	}
 
-        ret = searchForSongsIn(fp, NULL, item);
+        ret = searchForSongsIn(fp, NULL, numItems, items);
 
-	freeLocateTagItem(item);
+	freeLocateTagItemArray(numItems, items);
 
 	return ret;
 }
@@ -636,10 +638,20 @@ int handleList(FILE * fp, unsigned int * permission, int argArrayLength,
 					argArray[2]);
 		numConditionals = 1;
 	}
+	else {
+		numConditionals = newLocateTagItemArrayFromArgArray(argArray+2,
+					argArrayLength-2, &conditionals);
+
+		if(numConditionals < 0) {
+                	commandError(fp, ACK_ERROR_ARG,
+					"not able to parse args", NULL);
+			return -1;
+		}
+	}
         
 	ret = listAllUniqueTags(fp, tagType, numConditionals,conditionals);
 
-	if(conditionals) free(conditionals);
+	if(conditionals) freeLocateTagItemArray(numConditionals, conditionals);
 
 	return ret;
 }
@@ -904,8 +916,8 @@ void initCommands() {
         addCommand(COMMAND_LSINFO      ,PERMISSION_READ,    0, 1,handleLsInfo,NULL);
         addCommand(COMMAND_RM          ,PERMISSION_CONTROL, 1, 1,handleRm,NULL);
         addCommand(COMMAND_PLAYLISTINFO,PERMISSION_READ,    0, 1,handlePlaylistInfo,NULL);
-        addCommand(COMMAND_FIND        ,PERMISSION_READ,    2, 2,handleFind,NULL);
-        addCommand(COMMAND_SEARCH      ,PERMISSION_READ,    2, 2,handleSearch,NULL);
+        addCommand(COMMAND_FIND        ,PERMISSION_READ,    2,-1,handleFind,NULL);
+        addCommand(COMMAND_SEARCH      ,PERMISSION_READ,    2,-1,handleSearch,NULL);
         addCommand(COMMAND_UPDATE      ,PERMISSION_ADMIN,   0, 1,handleUpdate,listHandleUpdate);
         addCommand(COMMAND_NEXT        ,PERMISSION_CONTROL, 0, 0,handleNext,NULL);
         addCommand(COMMAND_PREVIOUS    ,PERMISSION_CONTROL, 0, 0,handlePrevious,NULL);
@@ -915,7 +927,7 @@ void initCommands() {
         addCommand(COMMAND_RANDOM      ,PERMISSION_CONTROL, 1, 1,handleRandom,NULL);
         addCommand(COMMAND_STATS       ,PERMISSION_READ,    0, 0,handleStats,NULL);
         addCommand(COMMAND_CLEAR_ERROR ,PERMISSION_CONTROL, 0, 0,handleClearError,NULL);
-        addCommand(COMMAND_LIST        ,PERMISSION_READ,    1, 2,handleList,NULL);
+        addCommand(COMMAND_LIST        ,PERMISSION_READ,    1,-1,handleList,NULL);
         addCommand(COMMAND_MOVE        ,PERMISSION_CONTROL, 2, 2,handleMove,NULL);
         addCommand(COMMAND_MOVEID      ,PERMISSION_CONTROL, 2, 2,handleMoveId,NULL);
         addCommand(COMMAND_SWAP        ,PERMISSION_CONTROL, 2, 2,handleSwap,NULL);
diff --git a/src/dbUtils.c b/src/dbUtils.c
index dd698789c..9c08c8020 100644
--- a/src/dbUtils.c
+++ b/src/dbUtils.c
@@ -11,12 +11,17 @@
 #define LOCATE_TAG_FILE_TYPE	TAG_NUM_OF_ITEM_TYPES+10
 #define LOCATE_TAG_FILE_KEY	"filename"
 
-typedef struct ListCommandItem {
+typedef struct _ListCommandItem {
 	mpd_sint8 tagType;
 	int numConditionals;
 	LocateTagItem * conditionals;
 } ListCommandItem;
 
+typedef struct _LocateTagItemArray {
+	int numItems;
+	LocateTagItem * items;
+} LocateTagItemArray;
+
 int getLocateTagItemType(char * str) {
 	int i;
 
@@ -31,21 +36,67 @@ int getLocateTagItemType(char * str) {
 	return -1;
 }
 
+static int initLocateTagItem(LocateTagItem * item, char * typeStr, 
+		char * needle)
+{
+	item->tagType = getLocateTagItemType(typeStr);
+
+	if(item->tagType < 0) return -1;
+
+	item->needle = strdup(needle);
+
+	return 0;
+}
+
 LocateTagItem * newLocateTagItem(char * typeStr, char * needle) {
 	LocateTagItem * ret = malloc(sizeof(LocateTagItem));
 
-	ret->tagType = getLocateTagItemType(typeStr);
-
-	if(ret->tagType < 0) {
+	if(initLocateTagItem(ret, typeStr, needle) < 0) {
 		free(ret);
-		return NULL;
+		ret = NULL;
 	}
 
-	ret->needle = strdup(needle);
-
 	return ret;
 }
 
+void freeLocateTagItemArray(int count, LocateTagItem * array) {
+	int i;
+	
+	for(i = 0; i < count; i++) free(array[i].needle);
+
+	free(array);
+}
+
+int newLocateTagItemArrayFromArgArray(char * argArray[],
+						int numArgs,
+						LocateTagItem ** arrayRet)
+{
+	int i,j;
+	LocateTagItem * item;
+	
+	if(numArgs == 0) return 0;
+
+	if(numArgs%2 != 0) return -1;
+	
+	*arrayRet = malloc(sizeof(LocateTagItem)*numArgs/2);
+
+	for(i = 0, item = *arrayRet; i < numArgs/2; i++, item++) {
+		if(initLocateTagItem(item, argArray[i*2], argArray[i*2+1]) < 0)
+			goto fail;
+	}
+
+	return numArgs/2;
+
+fail:
+	for(j = 0; j < i; j++) {
+		free((*arrayRet)[j].needle);
+	}
+
+	free(*arrayRet);
+	*arrayRet = NULL;
+	return -1;
+}
+
 void freeLocateTagItem(LocateTagItem * item) {
 	free(item->needle);
 	free(item);
@@ -96,25 +147,48 @@ static inline int strstrSearchTag(Song * song, int type, char * str) {
 	return ret;
 }
 
-int searchInDirectory(FILE * fp, Song * song, void * item) {
-	if(strstrSearchTag(song, ((LocateTagItem *)item)->tagType,
-			((LocateTagItem *)item)->needle)) {
-		printSongInfo(fp, song);
+int searchInDirectory(FILE * fp, Song * song, void * data) {
+	LocateTagItemArray * array = data;
+	int i;
+
+	for(i = 0; i < array->numItems; i++) {
+		if(!strstrSearchTag(song, array->items[i].tagType,
+				array->items[i].needle)) 
+		{
+			return 0;
+		}
 	}
+
+	printSongInfo(fp, song);
+
 	return 0;
 }
 
-int searchForSongsIn(FILE * fp, char * name, LocateTagItem * item) {
-	char * originalNeedle = item->needle;
+int searchForSongsIn(FILE * fp, char * name, int numItems, 
+		LocateTagItem * items) 
+{
 	int ret = -1;
+	int i;
 
-	item->needle = strDupToUpper(originalNeedle);
+	char ** originalNeedles = malloc(numItems*sizeof(char *));
+	LocateTagItemArray array;
 
-	ret = traverseAllIn(fp,name,searchInDirectory, NULL,
-			(void *)item);
+	for(i = 0; i < numItems; i++) {
+		originalNeedles[i] = items[i].needle;
+		items[i].needle = strDupToUpper(originalNeedles[i]);
+	}
 
-	free(item->needle);
-	item->needle = originalNeedle;
+	array.numItems = numItems;
+	array.items = items;
+
+	ret = traverseAllIn(fp,name,searchInDirectory, NULL, &array);
+
+	for(i = 0; i < numItems; i++) {
+		free(items[i].needle);
+		items[i].needle = originalNeedles[i];
+	}
+
+	free(originalNeedles);
 
 	return ret;
 }
@@ -137,17 +211,31 @@ static inline int tagItemFoundAndMatches(Song * song, int type, char * str) {
 	return 0;
 }
 
-int findInDirectory(FILE * fp, Song * song, void * item) {
-	if(tagItemFoundAndMatches(song, ((LocateTagItem *)item)->tagType,
-			((LocateTagItem *)item)->needle)) {
-		printSongInfo(fp, song);
+int findInDirectory(FILE * fp, Song * song, void * data) {
+	LocateTagItemArray * array = data;
+	int i;
+
+	for(i = 0; i < 0; i++) {
+		if(!tagItemFoundAndMatches(song, array->items[i].tagType,
+				array->items[i].needle)) 
+		{
+			return 0;
+		}
 	}
+
+	printSongInfo(fp, song);
+
 	return 0;
 }
 
-int findSongsIn(FILE * fp, char * name, LocateTagItem * item) {
+int findSongsIn(FILE * fp, char * name, int numItems, LocateTagItem * items) {
+	LocateTagItemArray array;
+
+	array.numItems = numItems;
+	array.items = items;
+	
 	return traverseAllIn(fp, name, findInDirectory, NULL,
-			(void *)item);
+			(void *)&array);
 }
 
 int printAllIn(FILE * fp, char * name) {
diff --git a/src/dbUtils.h b/src/dbUtils.h
index a24311a5a..f79894bb6 100644
--- a/src/dbUtils.h
+++ b/src/dbUtils.h
@@ -12,10 +12,17 @@ typedef struct _LocateTagItem {
 	char * needle;
 } LocateTagItem;
 
+int getLocateTagItemType(char * str);
+
 /* returns NULL if not a known type */
 LocateTagItem * newLocateTagItem(char * typeString, char * needle);
 
-int getLocateTagItemType(char * str);
+/* return number of items or -1 on error */
+int newLocateTagItemArrayFromArgArray(char * argArray[], int numArgs,
+					LocateTagItem ** arrayRet);
+						
+
+void freeLocateTagItemArray(int count, LocateTagItem * array);
 
 void freeLocateTagItem(LocateTagItem * item);
 
@@ -25,9 +32,11 @@ int addAllIn(FILE * fp, char * name);
 
 int printInfoForAllIn(FILE * fp, char * name);
 
-int searchForSongsIn(FILE * fp, char * name, LocateTagItem * item);
+int searchForSongsIn(FILE * fp, char * name, int numItems,
+				LocateTagItem * items);
 
-int findSongsIn(FILE * fp, char * name, LocateTagItem * item);
+int findSongsIn(FILE * fp, char * name, int numItems, 
+				LocateTagItem * items);
 
 int countSongsIn(FILE * fp, char * name);