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author | Lars-Dominik Braun <lars@6xq.net> | 2011-03-21 12:46:21 +0100 |
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committer | Lars-Dominik Braun <lars@6xq.net> | 2011-03-21 12:46:21 +0100 |
commit | bbd317d85069dee9c9cffff609d1d1fd086cbcb7 (patch) | |
tree | 776c92f38b866a09c54ae7ccf58ec0748c7a1bf9 /src/libpiano/xml.c | |
parent | b6a0245796794228614c092c63b51bf50970fa08 (diff) | |
download | pianobar-bbd317d85069dee9c9cffff609d1d1fd086cbcb7.tar.gz pianobar-bbd317d85069dee9c9cffff609d1d1fd086cbcb7.tar.bz2 pianobar-bbd317d85069dee9c9cffff609d1d1fd086cbcb7.zip |
piano: Add getStation support
Response contains artist/song seeds and feedback data.
Diffstat (limited to 'src/libpiano/xml.c')
-rw-r--r-- | src/libpiano/xml.c | 194 |
1 files changed, 156 insertions, 38 deletions
diff --git a/src/libpiano/xml.c b/src/libpiano/xml.c index 158eef2..19871c1 100644 --- a/src/libpiano/xml.c +++ b/src/libpiano/xml.c @@ -27,6 +27,7 @@ THE SOFTWARE. #include <string.h> #include <stdlib.h> #include <ezxml.h> +#include <assert.h> #include "piano.h" #include "crypt.h" @@ -275,6 +276,12 @@ static void PianoXmlParsePlaylistCb (const char *key, const ezxml_t value, } else { song->rating = PIANO_RATE_NONE; } + } else if (strcmp ("isPositive", key) == 0) { + if (strcmp (valueStr, "1") == 0) { + song->rating = PIANO_RATE_LOVE; + } else { + song->rating = PIANO_RATE_BAN; + } } else if (strcmp ("stationId", key) == 0) { song->stationId = strdup (valueStr); } else if (strcmp ("albumTitle", key) == 0) { @@ -295,6 +302,8 @@ static void PianoXmlParsePlaylistCb (const char *key, const ezxml_t value, song->testStrategy = atoi (valueStr); } else if (strcmp ("songType", key) == 0) { song->songType = atoi (valueStr); + } else if (strcmp ("feedbackId", key) == 0) { + song->feedbackId = strdup (valueStr); } } @@ -490,6 +499,32 @@ PianoReturn_t PianoXmlParseAddSeed (PianoHandle_t *ph, char *xml, return PIANO_RET_OK; } +static PianoReturn_t PianoXmlParsePlaylistStruct (ezxml_t xml, + PianoSong_t **retSong) { + PianoSong_t *playlist = *retSong, *tmpSong; + + if ((tmpSong = calloc (1, sizeof (*tmpSong))) == NULL) { + return PIANO_RET_OUT_OF_MEMORY; + } + + PianoXmlStructParser (ezxml_child (xml, "struct"), PianoXmlParsePlaylistCb, + tmpSong); + /* begin linked list or append */ + if (playlist == NULL) { + playlist = tmpSong; + } else { + PianoSong_t *curSong = playlist; + while (curSong->next != NULL) { + curSong = curSong->next; + } + curSong->next = tmpSong; + } + + *retSong = playlist; + + return PIANO_RET_OK; +} + /* parses playlist; used when searching too * @param piano handle * @param xml document @@ -498,7 +533,7 @@ PianoReturn_t PianoXmlParseAddSeed (PianoHandle_t *ph, char *xml, PianoReturn_t PianoXmlParsePlaylist (PianoHandle_t *ph, char *xml, PianoSong_t **retPlaylist) { ezxml_t xmlDoc, dataNode; - PianoReturn_t ret; + PianoReturn_t ret = PIANO_RET_OK; if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) { return ret; @@ -509,30 +544,15 @@ PianoReturn_t PianoXmlParsePlaylist (PianoHandle_t *ph, char *xml, for (dataNode = ezxml_child (dataNode, "value"); dataNode; dataNode = dataNode->next) { - PianoSong_t *tmpSong; - - if ((tmpSong = calloc (1, sizeof (*tmpSong))) == NULL) { - ezxml_free (xmlDoc); - return PIANO_RET_OUT_OF_MEMORY; - } - - PianoXmlStructParser (ezxml_child (dataNode, "struct"), - PianoXmlParsePlaylistCb, tmpSong); - /* begin linked list or append */ - if (*retPlaylist == NULL) { - *retPlaylist = tmpSong; - } else { - PianoSong_t *curSong = *retPlaylist; - while (curSong->next != NULL) { - curSong = curSong->next; - } - curSong->next = tmpSong; + if ((ret = PianoXmlParsePlaylistStruct (dataNode, retPlaylist)) != + PIANO_RET_OK) { + break; } } ezxml_free (xmlDoc); - return PIANO_RET_OK; + return ret; } /* parse simple answers like this: <?xml version="1.0" encoding="UTF-8"?> @@ -614,26 +634,10 @@ static void PianoXmlParseSearchCb (const char *key, const ezxml_t value, } else if (strcmp ("songs", key) == 0) { for (curNode = ezxml_child (ezxml_get (value, "array", 0, "data", -1), "value"); curNode; curNode = curNode->next) { - /* FIXME: copy & waste */ - PianoSong_t *tmpSong; - - if ((tmpSong = calloc (1, sizeof (*tmpSong))) == NULL) { - /* fail silently */ + if (PianoXmlParsePlaylistStruct (curNode, &searchResult->songs) != + PIANO_RET_OK) { break; } - - PianoXmlStructParser (ezxml_child (curNode, "struct"), - PianoXmlParsePlaylistCb, tmpSong); - /* begin linked list or append */ - if (searchResult->songs == NULL) { - searchResult->songs = tmpSong; - } else { - PianoSong_t *curSong = searchResult->songs; - while (curSong->next != NULL) { - curSong = curSong->next; - } - curSong->next = tmpSong; - } } } } @@ -824,3 +828,117 @@ PianoReturn_t PianoXmlParseNarrative (char *xml, char **retNarrative) { return ret; } +/* seed bag, required because seedId is not part of artist/song struct in + * pandora's xml response + */ +struct PianoXmlParseSeedBag { + char *seedId; + PianoSong_t *song; + PianoArtist_t *artist; +}; + +/* parse seed struct + */ +static void PianoXmlParseSeedCb (const char *key, const ezxml_t value, + void *data) { + struct PianoXmlParseSeedBag *bag = data; + + if (strcmp ("song", key) == 0) { + if ((bag->song = calloc (1, sizeof (*bag->song))) == NULL) { + return; + } + + PianoXmlStructParser (ezxml_child (value, "struct"), + PianoXmlParsePlaylistCb, bag->song); + } else if (strcmp ("artist", key) == 0) { + if ((bag->artist = calloc (1, sizeof (*bag->artist))) == NULL) { + return; + } + + PianoXmlStructParser (ezxml_child (value, "struct"), + PianoXmlParseSearchArtistCb, bag->artist); + } else if (strcmp ("seedId", key) == 0) { + char *valueStr = PianoXmlGetNodeText (value); + bag->seedId = strdup (valueStr); + } +} + +/* parse getStation xml struct + */ +static void PianoXmlParseGetStationInfoCb (const char *key, const ezxml_t value, + void *data) { + PianoStationInfo_t *info = data; + + if (strcmp ("seeds", key) == 0) { + const ezxml_t dataNode = ezxml_get (value, "array", 0, "data", -1); + for (ezxml_t seedNode = ezxml_child (dataNode, "value"); seedNode; + seedNode = seedNode->next) { + struct PianoXmlParseSeedBag bag; + memset (&bag, 0, sizeof (bag)); + + PianoXmlStructParser (ezxml_child (seedNode, "struct"), + PianoXmlParseSeedCb, &bag); + + /* FIXME: use if-clause */ + assert (bag.seedId != NULL); + assert (bag.song != NULL || bag.artist != NULL); + + if (bag.song != NULL) { + bag.song->seedId = bag.seedId; + + if (info->songSeeds == NULL) { + info->songSeeds = bag.song; + } else { + PianoSong_t *curSong = info->songSeeds; + while (curSong->next != NULL) { + curSong = curSong->next; + } + curSong->next = bag.song; + } + } else if (bag.artist != NULL) { + bag.artist->seedId = bag.seedId; + + if (info->artistSeeds == NULL) { + info->artistSeeds = bag.artist; + } else { + PianoArtist_t *curSong = info->artistSeeds; + while (curSong->next != NULL) { + curSong = curSong->next; + } + curSong->next = bag.artist; + } + } else { + free (bag.seedId); + } + } + } else if (strcmp ("feedback", key) == 0) { + const ezxml_t dataNode = ezxml_get (value, "array", 0, "data", -1); + for (ezxml_t feedbackNode = ezxml_child (dataNode, "value"); feedbackNode; + feedbackNode = feedbackNode->next) { + if (PianoXmlParsePlaylistStruct (feedbackNode, &info->feedback) != + PIANO_RET_OK) { + break; + } + } + } +} + +/* parse getStation response + */ +PianoReturn_t PianoXmlParseGetStationInfo (char *xml, + PianoStationInfo_t *stationInfo) { + ezxml_t xmlDoc, dataNode; + PianoReturn_t ret; + + if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) { + return ret; + } + + dataNode = ezxml_get (xmlDoc, "params", 0, "param", 0, "value", 0, "struct", -1); + PianoXmlStructParser (dataNode, PianoXmlParseGetStationInfoCb, stationInfo); + + ezxml_free (xmlDoc); + + return PIANO_RET_OK; +} + |