bool xml_parse_confirm(struct playlist* pl,
unsigned char* xml,
int len)
{
ezxml_t top = ezxml_parse_str(xml, len);
bool confirm = !strncmp(top->name, "confirm", 7);
if (confirm) {
xml_parse_version(pl, top, "version", -1);
}
ezxml_free(top);
return confirm;
}
struct playlist* xml_parse_playlist(struct playlist* pl,
unsigned char* xml,
int len,
bool list_of_lists)
{
ezxml_t top = ezxml_parse_str(xml, len);
ezxml_t tmpx = ezxml_get(top, "next-change",0, "change", 0, "ops", 0,
"add", 0, "items", -1);
char* items = NULL;
if (tmpx)
items = tmpx->txt;
while (items && *items && isspace(*items))
items++;
if (list_of_lists) {
/* create list of playlists */
struct playlist* prev = NULL;
struct playlist* p = pl;
for (char* id = strtok(items, ",\n"); id; id = strtok(NULL, ",\n"))
{
if (prev) {
p = calloc(1, sizeof(struct playlist));
prev->next = p;
}
DSFYstrncpy(p->playlist_id, id, sizeof p->playlist_id);
prev = p;
}
}
else {
/* create list of tracks */
struct track* prev = NULL;
struct track* root = NULL;
struct track* t = NULL;
int track_count = 0;
for (char* id = strtok(items, ",\n"); id; id = strtok(NULL, ",\n"))
{
t = calloc(1, sizeof(struct track));
if (prev)
prev->next = t;
else
root = t;
DSFYstrncpy(t->track_id, id, sizeof t->track_id);
prev = t;
track_count++;
}
pl->tracks = root;
pl->num_tracks = track_count; // FIXME: <version> parsing overwrites track_count
}
xmlstrncpy(pl->author, sizeof pl->author, top,
"next-change",0, "change", 0, "user", -1);
xmlstrncpy(pl->name, sizeof pl->name, top,
"next-change",0, "change", 0, "ops",0, "name", -1);
xml_parse_version(pl, top, "next-change", 0, "version", -1);
ezxml_free(top);
return pl;
}
/******************************************************************************
**函数名称: xml_parse
**功 能: 解析XML文件缓存
**输入参数:
** xml: XML树
** stack: XML栈
** str: XML字串
**输出参数:
**返 回: 0: 成功 !0: 失败
**实现描述:
** 1. 解析版本信息
** 2. 解析XML BODY
**注意事项:
**作 者: # Qifeng.zou # 2013.02.05 #
******************************************************************************/
int xml_parse(xml_tree_t *xml, Stack_t *stack, const char *str, size_t len)
{
xml_parse_t parse;
parse.str = str;
parse.ptr = str;
parse.len = len; /* 未知 */
while (!XmlIsStrEndChar(*(parse.ptr))
&& ((size_t)(parse.ptr - parse.str) < parse.len))
{
while (XmlIsIgnoreChar(*(parse.ptr))) parse.ptr++; /* 跳过无意义的字符 */
switch(*(parse.ptr))
{
case XML_BEGIN_FLAG:
{
switch(*(parse.ptr+1))
{
case XML_VERS_FLAG: /* "<?" 版本开始 */
{
/* 版本信息不用加载到XML树中 */
if (xml_parse_version(xml, &parse)) {
log_error(xml->log, "XML format is wrong![%-.32s] [%ld]",
parse.ptr, parse.ptr-parse.str);
return XML_ERR_FORMAT;
}
break;
}
case XML_NOTE_FLAG: /* "<!--" 注释信息 */
{
/* 注释信息不用加载到XML树中 */
if (xml_parse_note(xml, &parse)) {
log_error(xml->log, "XML format is wrong![%-.32s]", parse.ptr);
return XML_ERR_FORMAT;
}
break;
}
case XML_END_FLAG: /* "</" 节点结束 */
{
if (xml_parse_end(xml, stack, &parse)) {
log_error(xml->log, "XML format is wrong![%-.32s] [%ld]",
parse.ptr, parse.ptr-parse.str);
return XML_ERR_FORMAT;
}
break;
}
default: /* "<XYZ" 节点开始 */
{
if (xml_parse_mark(xml, stack, &parse)) {
log_error(xml->log, "Parse XML failed! [%-.32s] [%ld]",
parse.ptr, parse.ptr-parse.str);
return XML_ERR_FORMAT;
}
break;
}
}
break;
}
case STR_END_FLAG: /* 字串结束'\0' */
{
if (stack_empty(stack)) {
log_trace(xml->log, "Parse xml success!");
return XML_OK;
}
log_error(xml->log, "Invalid format! [%-.32s] [%ld]", parse.ptr, parse.ptr-parse.str);
return XML_ERR_FORMAT;
}
default: /* 非法字符 */
{
log_error(xml->log, "Invalid format! [%-.32s] [%ld]", parse.ptr, parse.ptr-parse.str);
return XML_ERR_FORMAT;
}
}
}
if (!stack_empty(stack)) {
log_error(xml->log, "Invalid format! [%-.32s]", parse.ptr);
return XML_ERR_FORMAT;
}
return XML_OK;
}