void parse_macros(const char* str, hash_multimap<string, int>& idxes,
vector<string>& segments)
{
if ( !str || !strlen(str) ) {
idxes.clear();
segments.clear();
return;
}
string v (str);
//string cur_token;
size_t pend_pos = 0, chk_pos = 0;
size_t ps1,ps2;
do {
ps1 = v.find("#(", chk_pos);
if( ps1 != string::npos ) {
ps2 = v.find(")", ps1 + 2);
if (ps2 != string::npos) {
if ( ps1 + 2 == ps2 ) {
chk_pos = ps2 + 1;
}
else {
string nm = v.substr(ps1 + 2, ps2 - ps1 - 2 );
if ( is_valid_identifier(nm.c_str()) ) {
if (pend_pos < ps1) {
segments.push_back(v.substr(pend_pos, ps1 - pend_pos));
}
chk_pos = pend_pos = ps2 + 1;
segments.push_back(nm);
idxes.insert(make_pair(nm, segments.size() -1 ));
//idxes[nm] = segments.size() - 1;
}
else {
chk_pos = ps2 + 1;
}
}
}
else {
//chk_pos = cur_token.size();
chk_pos = v.size();
}
}
else {
//chk_pos = cur_token.size();
chk_pos = v.size();
}
if (chk_pos == v.size()) {
if ( pend_pos < chk_pos ) {
segments.push_back(v.substr(pend_pos, chk_pos - 1));
}
break;
}
} while(1);
}
void read_trackData()
{
FILE *fp = fopen("trackData1.txt","r");
int value;
char *cur;
char buf[200];
int trackid, albumid, artistid;
while(! feof(fp) ) {
fgets(buf, 200, fp);
if (feof(fp)) break;
trackid = atoi(strtok(buf, "|"));
if(imap.count(trackid) == 0 )
continue;
int iid = imap[trackid];
items[iid].type = TRACK;
cur = strtok(NULL, "|");
if (cur[0] != 'N') {
albumid = atoi(cur);
items[iid].albumid = albumMap[albumid];
}
cur = strtok(NULL, "|");
if (cur[0] != 'N') {
artistid = atoi(cur);
items[iid].artistid = artistMap[artistid];
}
while( (cur = strtok(NULL, "|")) != NULL) {
int value = atoi(cur);
int gid = genreMap[value];
genreItemMap.insert(hash_multimap<int,int>::value_type(iid, gid));
}
}
}
void read_albumData()
{
FILE *fp = fopen("albumData1.txt","r");
int value;
char *cur;
char buf[200];
int trackid, albumid, artistid;
int aid = 0;
while(! feof(fp) ) {
fgets(buf, 200, fp);
if (feof(fp)) break;
albumid = atoi(strtok(buf, "|"));
albumMap[albumid] = aid;
if (imap.count(albumid) != 0) {
int iid = imap[albumid];
cur = strtok(NULL, "|");
items[iid].albumid = aid;
if (cur[0] != 'N') {
items[iid].artistid = artistMap[atoi(cur)];
}
while( (cur = strtok(NULL, "|")) != NULL) {
int value = atoi(cur);
int gid = genreMap[value];
genreItemMap.insert(hash_multimap<int,int>::value_type(iid, gid));
}
}
aid++;
}
}
void read_genres()
{
FILE *fp = fopen("genreData1.txt","r");
int lines = 0, value;
int gid = 0;
while(! feof(fp) ) {
fscanf(fp, "%d\n", &value);
if(feof(fp)) break;
genreMap[value] = gid;
if(imap.count(value) > 0) {
int iid = imap[value];
items[iid].type = GENRE;
genreItemMap.insert(hash_multimap<int,int>::value_type(iid, gid));
}
gid++;
}
}
