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#include<iostream>
using namespace std;
class node;
class dom;
class nodecollect{
private:
node *n;
int length;
public:
nodecollect();
~nodecollect();
int getlength();
node* item(int i);
void add(node *nn);
};
class node{
private:
int start;
int len;
public:
char* innerhtml(dom& d);
char* outerhtml(dom& d);
char* innertext(dom& d);
char* getattr(dom& d,char* str);
char* tagname(dom& d);
node* getparent(dom &d);
nodecollect* getchild(dom &d);
node* getnext(dom &d);
node* getprevious(dom &d);
node *next;
void setstart(int i);
void setlen(int i);
int getstart();
int getlen();
};
class dom{
private:
char *text;
node *n;
int count;
int parse(char *s);
public:
~dom();
char *gettext();
void load(char *str);
node* getitem(int i);
int getcount();
node *getbyid(char* id);
nodecollect* getbytagname(char *tagname);
};
void dom::load(char* str){
n=0;
count=0;
int l=strlen(str
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