Moving a bunch of the LocateTagItem code to locate.[ch] so that it can

later be used for playlist searching.

git-svn-id: https://svn.musicpd.org/mpd/trunk@5419 09075e82-0dd4-0310-85a5-a0d7c8717e4f

1 files changed, 193 insertions, 0 deletions

diff --git a/src/locate.c b/src/locate.c
new file mode 100644
index 000000000..931a566ad
--- /dev/null
+++ b/src/locate.c
@@ -0,0 +1,193 @@
+#include "locate.h"
+
+#include "utils.h"
+
+#define LOCATE_TAG_FILE_KEY	SONG_FILE
+#define LOCATE_TAG_FILE_KEY_OLD	"filename"
+#define LOCATE_TAG_ANY_KEY      "any"
+
+int getLocateTagItemType(char *str)
+{
+	int i;
+
+	if (0 == strcasecmp(str, LOCATE_TAG_FILE_KEY) ||
+	    0 == strcasecmp(str, LOCATE_TAG_FILE_KEY_OLD)) 
+	{
+		return LOCATE_TAG_FILE_TYPE;
+	}
+
+	if (0 == strcasecmp(str, LOCATE_TAG_ANY_KEY)) 
+	{
+		return LOCATE_TAG_ANY_TYPE;
+	}
+
+	for (i = 0; i < TAG_NUM_OF_ITEM_TYPES; i++) 
+	{
+		if (0 == strcasecmp(str, mpdTagItemKeys[i]))
+			return i;
+	}
+
+	return -1;
+}
+
+static int initLocateTagItem(LocateTagItem * item, char *typeStr, char *needle)
+{
+	item->tagType = getLocateTagItemType(typeStr);
+
+	if (item->tagType < 0)
+		return -1;
+
+	item->needle = xstrdup(needle);
+
+	return 0;
+}
+
+LocateTagItem *newLocateTagItem(char *typeStr, char *needle)
+{
+	LocateTagItem *ret = xmalloc(sizeof(LocateTagItem));
+
+	if (initLocateTagItem(ret, typeStr, needle) < 0) {
+		free(ret);
+		ret = NULL;
+	}
+
+	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 = xmalloc(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);
+}
+
+static int strstrSearchTag(Song * song, int type, char *str)
+{
+	int i;
+	char *dup;
+	int ret = 0;
+
+	if (type == LOCATE_TAG_FILE_TYPE || type == LOCATE_TAG_ANY_TYPE) {
+		dup = strDupToUpper(getSongUrl(song));
+		if (strstr(dup, str))
+			ret = 1;
+		free(dup);
+		if (ret == 1 || type == LOCATE_TAG_FILE_TYPE) {
+			return ret;
+		}
+	}
+
+	if (!song->tag)
+		return 0;
+
+	for (i = 0; i < song->tag->numOfItems && !ret; i++) {
+		if (type != LOCATE_TAG_ANY_TYPE &&
+		    song->tag->items[i].type != type) {
+			continue;
+		}
+
+		dup = strDupToUpper(song->tag->items[i].value);
+		if (strstr(dup, str))
+			ret = 1;
+		free(dup);
+	}
+
+	return ret;
+}
+
+int strstrSearchTags(Song * song, int numItems, LocateTagItem * items)
+{
+	int i;
+
+	for (i = 0; i < numItems; i++) {
+		if (!strstrSearchTag(song, items[i].tagType,
+				     items[i].needle)) {
+			return 0;
+		}
+	}
+
+	return 1;
+}
+
+static int tagItemFoundAndMatches(Song * song, int type, char *str)
+{
+	int i;
+
+	if (type == LOCATE_TAG_FILE_TYPE || type == LOCATE_TAG_ANY_TYPE) {
+		if (0 == strcmp(str, getSongUrl(song)))
+			return 1;
+		if (type == LOCATE_TAG_FILE_TYPE)
+			return 0;
+	}
+
+	if (!song->tag)
+		return 0;
+
+	for (i = 0; i < song->tag->numOfItems; i++) {
+		if (type != LOCATE_TAG_ANY_TYPE &&
+		    song->tag->items[i].type != type) {
+			continue;
+		}
+
+		if (0 == strcmp(str, song->tag->items[i].value))
+			return 1;
+	}
+
+	return 0;
+}
+
+
+int tagItemsFoundAndMatches(Song * song, int numItems, LocateTagItem * items)
+{
+	int i;
+
+	for (i = 0; i < numItems; i++) {
+		if (!tagItemFoundAndMatches(song, items[i].tagType,
+					    items[i].needle)) {
+			return 0;
+		}
+	}
+
+	return 1;
+}