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authorLars-Dominik Braun <PromyLOPh@lavabit.com>2010-11-23 21:59:31 +0100
committerLars-Dominik Braun <lars@6xq.net>2010-12-26 15:47:42 +0100
commit13106ac8bb95e325cf522817f91ad1f3b0fcecb0 (patch)
tree5488d884b5fac8bf5f1946cae92e536fa2d0d345 /libpiano/src/xml.c
parentd074480b9159a53fc4e6bdb40463289c69c2f6a7 (diff)
downloadpianobar-windows-13106ac8bb95e325cf522817f91ad1f3b0fcecb0.tar.gz
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Better directory layout
Removed useless AUTHORS, COPYING and README files. Move manpage to contrib (it's not exactly source code).
Diffstat (limited to 'libpiano/src/xml.c')
-rw-r--r--libpiano/src/xml.c826
1 files changed, 0 insertions, 826 deletions
diff --git a/libpiano/src/xml.c b/libpiano/src/xml.c
deleted file mode 100644
index 01294d8..0000000
--- a/libpiano/src/xml.c
+++ /dev/null
@@ -1,826 +0,0 @@
-/*
-Copyright (c) 2008-2010
- Lars-Dominik Braun <PromyLOPh@lavabit.com>
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-*/
-
-#define _BSD_SOURCE /* required by strdup() */
-
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <ezxml.h>
-
-#include "piano.h"
-#include "crypt.h"
-#include "config.h"
-#include "piano_private.h"
-
-static void PianoXmlStructParser (const ezxml_t,
- void (*callback) (const char *, const ezxml_t, void *), void *);
-static char *PianoXmlGetNodeText (const ezxml_t);
-
-/* parse fault and get fault type
- * @param xml <name> content
- * @param xml <value> node
- * @param return error string
- * @return nothing
- */
-static void PianoXmlIsFaultCb (const char *key, const ezxml_t value,
- void *data) {
- PianoReturn_t *ret = data;
- char *valueStr = PianoXmlGetNodeText (value);
- char *matchStart, *matchEnd;
-
- if (strcmp ("faultString", key) == 0) {
- *ret = PIANO_RET_ERR;
- /* find fault identifier in a string like this:
- * com.savagebeast.radio.api.protocol.xmlrpc.RadioXmlRpcException:
- * 192.168.160.78|1213101717317|AUTH_INVALID_TOKEN|
- * Invalid auth token */
- if ((matchStart = strchr (valueStr, '|')) != NULL) {
- if ((matchStart = strchr (matchStart+1, '|')) != NULL) {
- if ((matchEnd = strchr (matchStart+1, '|')) != NULL) {
- /* changes text in xml node, but we don't care... */
- *matchEnd = '\0';
- ++matchStart;
- /* translate to our error message system */
- if (strcmp ("AUTH_INVALID_TOKEN", matchStart) == 0) {
- *ret = PIANO_RET_AUTH_TOKEN_INVALID;
- } else if (strcmp ("AUTH_INVALID_USERNAME_PASSWORD",
- matchStart) == 0) {
- *ret = PIANO_RET_AUTH_USER_PASSWORD_INVALID;
- } else if (strcmp ("LISTENER_NOT_AUTHORIZED",
- matchStart) == 0) {
- *ret = PIANO_RET_NOT_AUTHORIZED;
- } else if (strcmp ("INCOMPATIBLE_VERSION",
- matchStart) == 0) {
- *ret = PIANO_RET_PROTOCOL_INCOMPATIBLE;
- } else if (strcmp ("READONLY_MODE", matchStart) == 0) {
- *ret = PIANO_RET_READONLY_MODE;
- } else if (strcmp ("STATION_CODE_INVALID",
- matchStart) == 0) {
- *ret = PIANO_RET_STATION_CODE_INVALID;
- } else if (strcmp ("STATION_DOES_NOT_EXIST",
- matchStart) == 0) {
- *ret = PIANO_RET_STATION_NONEXISTENT;
- } else if (strcmp ("OUT_OF_SYNC", matchStart) == 0) {
- *ret = PIANO_RET_OUT_OF_SYNC;
- } else if (strcmp ("PLAYLIST_END", matchStart) == 0) {
- *ret = PIANO_RET_PLAYLIST_END;
- } else if (strcmp ("QUICKMIX_NOT_PLAYABLE", matchStart) == 0) {
- *ret = PIANO_RET_QUICKMIX_NOT_PLAYABLE;
- } else {
- *ret = PIANO_RET_ERR;
- printf (PACKAGE ": Unknown error %s in %s\n",
- matchStart, valueStr);
- }
- }
- }
- }
- } else if (strcmp ("faultCode", key) == 0) {
- /* some errors can only be identified by looking at their id */
- /* detect pandora's ip restriction */
- if (strcmp ("12", valueStr) == 0) {
- *ret = PIANO_RET_IP_REJECTED;
- }
- }
-}
-
-/* check whether pandora returned an error or not
- * @param document root of xml doc
- * @return _RET_OK or fault code (_RET_*)
- */
-static PianoReturn_t PianoXmlIsFault (ezxml_t xmlDoc) {
- PianoReturn_t ret;
-
- if ((xmlDoc = ezxml_child (xmlDoc, "fault")) != NULL) {
- xmlDoc = ezxml_get (xmlDoc, "value", 0, "struct", -1);
- PianoXmlStructParser (xmlDoc, PianoXmlIsFaultCb, &ret);
- return ret;
- }
- return PIANO_RET_OK;
-}
-
-/* parses things like this:
- * <struct>
- * <member>
- * <name />
- * <value />
- * </member>
- * <!-- ... -->
- * </struct>
- * @param xml node named "struct" (or containing a similar structure)
- * @param who wants to use this data? callback: content of <name> as
- * string, content of <value> as xmlNode (may contain other nodes
- * or text), additional data used by callback(); don't forget
- * to *copy* data taken from <name> or <value> as they will be
- * freed soon
- * @param extra data for callback
- */
-static void PianoXmlStructParser (const ezxml_t structRoot,
- void (*callback) (const char *, const ezxml_t, void *), void *data) {
- ezxml_t curNode, keyNode, valueNode;
- char *key;
-
- /* get all <member> nodes */
- for (curNode = ezxml_child (structRoot, "member"); curNode; curNode = curNode->next) {
- /* reset variables */
- key = NULL;
- valueNode = keyNode = NULL;
-
- keyNode = ezxml_child (curNode, "name");
- if (keyNode != NULL) {
- key = ezxml_txt (keyNode);
- }
-
- valueNode = ezxml_child (curNode, "value");
- /* this will ignore empty <value /> nodes, but well... */
- if (*key != '\0' && valueNode != NULL) {
- (*callback) ((char *) key, valueNode, data);
- }
- }
-}
-
-/* create xml parser from string
- * @param xml document
- * @param returns document pointer (needed to free memory later)
- * @param returns document root
- * @return _OK or error
- */
-static PianoReturn_t PianoXmlInitDoc (char *xmlStr, ezxml_t *xmlDoc) {
- PianoReturn_t ret;
-
- if ((*xmlDoc = ezxml_parse_str (xmlStr, strlen (xmlStr))) == NULL) {
- return PIANO_RET_XML_INVALID;
- }
-
- if ((ret = PianoXmlIsFault (*xmlDoc)) != PIANO_RET_OK) {
- ezxml_free (*xmlDoc);
- return ret;
- }
-
- return PIANO_RET_OK;
-}
-
-/* get text from <value> nodes; some of them have <boolean>, <string>
- * or <int> subnodes, just ignore them
- * @param xml node <value>
- */
-static char *PianoXmlGetNodeText (const ezxml_t node) {
- char *retTxt = NULL;
-
- retTxt = ezxml_txt (node);
- /* no text => empty string */
- if (*retTxt == '\0') {
- retTxt = ezxml_txt (node->child);
- }
- return retTxt;
-}
-
-/* structParser callback; writes userinfo to PianoUserInfo structure
- * @param value identifier
- * @param value node
- * @param pointer to userinfo structure
- * @return nothing
- */
-static void PianoXmlParseUserinfoCb (const char *key, const ezxml_t value,
- void *data) {
- PianoUserInfo_t *user = data;
- char *valueStr = PianoXmlGetNodeText (value);
-
- if (strcmp ("webAuthToken", key) == 0) {
- user->webAuthToken = strdup (valueStr);
- } else if (strcmp ("authToken", key) == 0) {
- user->authToken = strdup (valueStr);
- } else if (strcmp ("listenerId", key) == 0) {
- user->listenerId = strdup (valueStr);
- }
-}
-
-static void PianoXmlParseStationsCb (const char *key, const ezxml_t value,
- void *data) {
- PianoStation_t *station = data;
- char *valueStr = PianoXmlGetNodeText (value);
-
- if (strcmp ("stationName", key) == 0) {
- station->name = strdup (valueStr);
- } else if (strcmp ("stationId", key) == 0) {
- station->id = strdup (valueStr);
- } else if (strcmp ("isQuickMix", key) == 0) {
- station->isQuickMix = (strcmp (valueStr, "1") == 0);
- } else if (strcmp ("isCreator", key) == 0) {
- station->isCreator = (strcmp (valueStr, "1") == 0);
- }
-}
-
-static void PianoXmlParsePlaylistCb (const char *key, const ezxml_t value,
- void *data) {
- PianoSong_t *song = data;
- char *valueStr = PianoXmlGetNodeText (value);
-
- if (strcmp ("audioURL", key) == 0) {
- /* last 48 chars of audioUrl are encrypted, but they put the key
- * into the door's lock... */
- const char urlTailN = 48;
- const size_t valueStrN = strlen (valueStr);
- char *urlTail = NULL,
- *urlTailCrypted = &valueStr[valueStrN - urlTailN];
-
- /* don't try to decrypt if string is too short (=> invalid memory
- * reads/writes) */
- if (valueStrN > urlTailN &&
- (urlTail = PianoDecryptString (urlTailCrypted)) != NULL) {
- if ((song->audioUrl = calloc (valueStrN + 1,
- sizeof (*song->audioUrl))) != NULL) {
- memcpy (song->audioUrl, valueStr, valueStrN - urlTailN);
- /* FIXME: the key seems to be broken... so ignore 8 x 0x08
- * postfix; urlTailN/2 because the encrypted hex string is now
- * decoded */
- memcpy (&song->audioUrl[valueStrN - urlTailN], urlTail,
- urlTailN/2 - 8);
- }
- free (urlTail);
- }
- } else if (strcmp ("artRadio", key) == 0) {
- song->coverArt = strdup (valueStr);
- } else if (strcmp ("artistSummary", key) == 0) {
- song->artist = strdup (valueStr);
- } else if (strcmp ("musicId", key) == 0) {
- song->musicId = strdup (valueStr);
- } else if (strcmp ("userSeed", key) == 0) {
- song->userSeed = strdup (valueStr);
- } else if (strcmp ("songTitle", key) == 0) {
- song->title = strdup (valueStr);
- } else if (strcmp ("rating", key) == 0) {
- if (strcmp (valueStr, "1") == 0) {
- song->rating = PIANO_RATE_LOVE;
- } else {
- song->rating = PIANO_RATE_NONE;
- }
- } else if (strcmp ("stationId", key) == 0) {
- song->stationId = strdup (valueStr);
- } else if (strcmp ("albumTitle", key) == 0) {
- song->album = strdup (valueStr);
- } else if (strcmp ("fileGain", key) == 0) {
- song->fileGain = atof (valueStr);
- } else if (strcmp ("audioEncoding", key) == 0) {
- if (strcmp (valueStr, "aacplus") == 0) {
- song->audioFormat = PIANO_AF_AACPLUS;
- } else if (strcmp (valueStr, "mp3") == 0) {
- song->audioFormat = PIANO_AF_MP3;
- } else if (strcmp (valueStr, "mp3-hifi") == 0) {
- song->audioFormat = PIANO_AF_MP3_HI;
- }
- } else if (strcmp ("artistMusicId", key) == 0) {
- song->artistMusicId = strdup (valueStr);
- } else if (strcmp ("testStrategy", key) == 0) {
- song->testStrategy = atoi (valueStr);
- } else if (strcmp ("songType", key) == 0) {
- song->songType = atoi (valueStr);
- }
-}
-
-/* parses userinfos sent by pandora as login response
- * @param piano handle
- * @param utf-8 string
- * @return _RET_OK or error
- */
-PianoReturn_t PianoXmlParseUserinfo (PianoHandle_t *ph, char *xml) {
- ezxml_t xmlDoc, structNode;
- PianoReturn_t ret;
-
- if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) {
- return ret;
- }
-
- /* <methodResponse> <params> <param> <value> <struct> */
- structNode = ezxml_get (xmlDoc, "params", 0, "param", 0, "value", 0, "struct", -1);
- PianoXmlStructParser (structNode, PianoXmlParseUserinfoCb, &ph->user);
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-static void PianoXmlParseQuickMixStationsCb (const char *key, const ezxml_t value,
- void *data) {
- char ***retIds = data;
- char **ids = NULL;
- size_t idsN = 0;
- ezxml_t curNode;
-
- if (strcmp ("quickMixStationIds", key) == 0) {
- for (curNode = ezxml_child (ezxml_get (value, "array", 0, "data", -1), "value");
- curNode; curNode = curNode->next) {
- idsN++;
- if (ids == NULL) {
- if ((ids = calloc (idsN, sizeof (*ids))) == NULL) {
- *retIds = NULL;
- return;
- }
- } else {
- /* FIXME: memory leak (on failure) */
- if ((ids = realloc (ids, idsN * sizeof (*ids))) == NULL) {
- *retIds = NULL;
- return;
- }
- }
- ids[idsN-1] = strdup (PianoXmlGetNodeText (curNode));
- }
- /* append NULL: list ends here */
- idsN++;
- /* FIXME: copy&waste */
- if (ids == NULL) {
- if ((ids = calloc (idsN, sizeof (*ids))) == NULL) {
- *retIds = NULL;
- return;
- }
- } else {
- if ((ids = realloc (ids, idsN * sizeof (*ids))) == NULL) {
- *retIds = NULL;
- return;
- }
- }
- ids[idsN-1] = NULL;
- }
- *retIds = ids;
-}
-
-/* parse stations returned by pandora
- * @param piano handle
- * @param xml returned by pandora
- * @return _RET_OK or error
- */
-PianoReturn_t PianoXmlParseStations (PianoHandle_t *ph, char *xml) {
- ezxml_t xmlDoc, dataNode;
- PianoReturn_t ret;
- char **quickMixIds = NULL, **curQuickMixId = NULL;
-
- if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) {
- return ret;
- }
-
- dataNode = ezxml_get (xmlDoc, "params", 0, "param", 0, "value", 0, "array",
- 0, "data", -1);
-
- for (dataNode = ezxml_child (dataNode, "value"); dataNode;
- dataNode = dataNode->next) {
- PianoStation_t *tmpStation;
-
- if ((tmpStation = calloc (1, sizeof (*tmpStation))) == NULL) {
- ezxml_free (xmlDoc);
- return PIANO_RET_OUT_OF_MEMORY;
- }
-
- PianoXmlStructParser (ezxml_child (dataNode, "struct"),
- PianoXmlParseStationsCb, tmpStation);
-
- /* get stations selected for quickmix */
- if (tmpStation->isQuickMix) {
- PianoXmlStructParser (ezxml_child (dataNode, "struct"),
- PianoXmlParseQuickMixStationsCb, &quickMixIds);
- }
- /* start new linked list or append */
- if (ph->stations == NULL) {
- ph->stations = tmpStation;
- } else {
- PianoStation_t *curStation = ph->stations;
- while (curStation->next != NULL) {
- curStation = curStation->next;
- }
- curStation->next = tmpStation;
- }
- }
- /* set quickmix flags after all stations are read */
- if (quickMixIds != NULL) {
- curQuickMixId = quickMixIds;
- while (*curQuickMixId != NULL) {
- PianoStation_t *curStation = PianoFindStationById (ph->stations,
- *curQuickMixId);
- if (curStation != NULL) {
- curStation->useQuickMix = 1;
- }
- free (*curQuickMixId);
- curQuickMixId++;
- }
- free (quickMixIds);
- }
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* parse "create station" answer (it returns a new station structure)
- * @param piano handle
- * @param xml document
- * @return nothing yet
- */
-PianoReturn_t PianoXmlParseCreateStation (PianoHandle_t *ph, char *xml) {
- ezxml_t xmlDoc, dataNode;
- PianoStation_t *tmpStation;
- 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);
-
- if ((tmpStation = calloc (1, sizeof (*tmpStation))) == NULL) {
- ezxml_free (xmlDoc);
- return PIANO_RET_OUT_OF_MEMORY;
- }
- PianoXmlStructParser (dataNode, PianoXmlParseStationsCb, tmpStation);
- /* FIXME: copy & waste */
- /* start new linked list or append */
- if (ph->stations == NULL) {
- ph->stations = tmpStation;
- } else {
- PianoStation_t *curStation = ph->stations;
- while (curStation->next != NULL) {
- curStation = curStation->next;
- }
- curStation->next = tmpStation;
- }
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* parse "add seed" answer, nearly the same as ParseCreateStation
- * @param piano handle
- * @param xml document
- * @param update this station
- */
-PianoReturn_t PianoXmlParseAddSeed (PianoHandle_t *ph, char *xml,
- PianoStation_t *station) {
- 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);
- PianoDestroyStation (station);
- PianoXmlStructParser (dataNode, PianoXmlParseStationsCb, station);
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* parses playlist; used when searching too
- * @param piano handle
- * @param xml document
- * @param return: playlist
- */
-PianoReturn_t PianoXmlParsePlaylist (PianoHandle_t *ph, char *xml,
- PianoSong_t **retPlaylist) {
- 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, "array",
- 0, "data", -1);
-
- 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;
- }
- }
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* parse simple answers like this: <?xml version="1.0" encoding="UTF-8"?>
- * <methodResponse><params><param><value>1</value></param></params>
- * </methodResponse>
- * @param xml string
- * @return
- */
-PianoReturn_t PianoXmlParseSimple (char *xml) {
- 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", -1);
-
- if (strcmp (ezxml_txt (dataNode), "1") == 0) {
- ret = PIANO_RET_OK;
- } else {
- ret = PIANO_RET_ERR;
- }
-
- ezxml_free (xmlDoc);
-
- return ret;
-}
-
-/* xml struct parser callback, used in PianoXmlParseSearchCb
- */
-static void PianoXmlParseSearchArtistCb (const char *key, const ezxml_t value,
- void *data) {
- PianoArtist_t *artist = data;
- char *valueStr = PianoXmlGetNodeText (value);
-
- if (strcmp ("artistName", key) == 0) {
- artist->name = strdup (valueStr);
- } else if (strcmp ("musicId", key) == 0) {
- artist->musicId = strdup (valueStr);
- }
-}
-
-/* callback for xml struct parser used in PianoXmlParseSearch, "switch" for
- * PianoXmlParseSearchArtistCb and PianoXmlParsePlaylistCb
- */
-static void PianoXmlParseSearchCb (const char *key, const ezxml_t value,
- void *data) {
- PianoSearchResult_t *searchResult = data;
- ezxml_t curNode;
-
- if (strcmp ("artists", key) == 0) {
- /* skip <value><array><data> */
- for (curNode = ezxml_child (ezxml_get (value, "array", 0, "data", -1), "value");
- curNode; curNode = curNode->next) {
- PianoArtist_t *artist;
-
- if ((artist = calloc (1, sizeof (*artist))) == NULL) {
- /* fail silently */
- break;
- }
-
- memset (artist, 0, sizeof (*artist));
-
- PianoXmlStructParser (ezxml_child (curNode, "struct"),
- PianoXmlParseSearchArtistCb, artist);
-
- /* add result to linked list */
- if (searchResult->artists == NULL) {
- searchResult->artists = artist;
- } else {
- PianoArtist_t *curArtist = searchResult->artists;
- while (curArtist->next != NULL) {
- curArtist = curArtist->next;
- }
- curArtist->next = artist;
- }
- }
- } 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 */
- 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;
- }
- }
- }
-}
-
-/* parse search result; searchResult is nulled before use
- * @param xml document
- * @param returns search result
- * @return nothing yet
- */
-PianoReturn_t PianoXmlParseSearch (char *xml,
- PianoSearchResult_t *searchResult) {
- 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);
- /* we need a "clean" search result (with null pointers) */
- memset (searchResult, 0, sizeof (*searchResult));
- PianoXmlStructParser (dataNode, PianoXmlParseSearchCb, searchResult);
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* FIXME: copy&waste (PianoXmlParseSearch)
- */
-PianoReturn_t PianoXmlParseSeedSuggestions (char *xml,
- PianoSearchResult_t *searchResult) {
- 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", -1);
- /* we need a "clean" search result (with null pointers) */
- memset (searchResult, 0, sizeof (*searchResult));
- /* reuse seach result parser; structure is nearly the same */
- PianoXmlParseSearchCb ("artists", dataNode, searchResult);
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* encode reserved xml chars
- * TODO: remove and use ezxml_ampencode
- * @param encode this
- * @return encoded string or NULL
- */
-char *PianoXmlEncodeString (const char *s) {
- char *replacements[] = {"&&amp;", "'&apos;", "\"&quot;", "<&lt;",
- ">&gt;", NULL};
- char **r, *sOut, *sOutCurr, found;
-
- if ((sOut = calloc (strlen (s) * 5 + 1, sizeof (*sOut))) == NULL) {
- return NULL;
- }
-
- sOutCurr = sOut;
-
- while (*s != '\0') {
- r = replacements;
- found = 0;
- while (*r != NULL) {
- if (*s == *r[0]) {
- found = 1;
- strcat (sOutCurr, (*r) + 1);
- sOutCurr += strlen ((*r) + 1);
- break;
- }
- r++;
- }
- if (!found) {
- *sOutCurr = *s;
- sOutCurr++;
- }
- s++;
- }
- return sOut;
-}
-
-PianoReturn_t PianoXmlParseGenreExplorer (PianoHandle_t *ph, char *xml) {
- ezxml_t xmlDoc, catNode;
- PianoReturn_t ret;
-
- if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) {
- return ret;
- }
-
- /* get all <member> nodes */
- for (catNode = ezxml_child (xmlDoc, "category"); catNode;
- catNode = catNode->next) {
- PianoGenreCategory_t *tmpGenreCategory;
- ezxml_t genreNode;
-
- if ((tmpGenreCategory = calloc (1, sizeof (*tmpGenreCategory))) == NULL) {
- ezxml_free (xmlDoc);
- return PIANO_RET_OUT_OF_MEMORY;
- }
-
- tmpGenreCategory->name = strdup (ezxml_attr (catNode, "categoryName"));
-
- /* get genre subnodes */
- for (genreNode = ezxml_child (catNode, "genre"); genreNode;
- genreNode = genreNode->next) {
- PianoGenre_t *tmpGenre;
-
- if ((tmpGenre = calloc (1, sizeof (*tmpGenre))) == NULL) {
- ezxml_free (xmlDoc);
- return PIANO_RET_OUT_OF_MEMORY;
- }
-
- /* get genre attributes */
- tmpGenre->name = strdup (ezxml_attr (genreNode, "name"));
- tmpGenre->musicId = strdup (ezxml_attr (genreNode, "musicId"));
-
- /* append station */
- if (tmpGenreCategory->genres == NULL) {
- tmpGenreCategory->genres = tmpGenre;
- } else {
- PianoGenre_t *curGenre =
- tmpGenreCategory->genres;
- while (curGenre->next != NULL) {
- curGenre = curGenre->next;
- }
- curGenre->next = tmpGenre;
- }
- }
- /* append category */
- if (ph->genreStations == NULL) {
- ph->genreStations = tmpGenreCategory;
- } else {
- PianoGenreCategory_t *curCat = ph->genreStations;
- while (curCat->next != NULL) {
- curCat = curCat->next;
- }
- curCat->next = tmpGenreCategory;
- }
- }
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* dummy function, only checks for errors
- * @param xml doc
- * @return _OK or error
- */
-PianoReturn_t PianoXmlParseTranformStation (char *xml) {
- ezxml_t xmlDoc;
- PianoReturn_t ret;
-
- if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) {
- return ret;
- }
-
- ezxml_free (xmlDoc);
-
- return PIANO_RET_OK;
-}
-
-/* parses "why did you play ...?" answer
- * @param xml
- * @param returns the answer
- * @return _OK or error
- */
-PianoReturn_t PianoXmlParseNarrative (char *xml, char **retNarrative) {
- ezxml_t xmlDoc, dataNode;
- PianoReturn_t ret;
-
- if ((ret = PianoXmlInitDoc (xml, &xmlDoc)) != PIANO_RET_OK) {
- return ret;
- }
-
- /* <methodResponse> <params> <param> <value> $textnode */
- dataNode = ezxml_get (xmlDoc, "params", 0, "param", 0, "value", -1);
- *retNarrative = strdup (ezxml_txt (dataNode));
-
- ezxml_free (xmlDoc);
-
- return ret;
-}
-