html parser/Tag.cpp

#include<Windows.h>
#include<stdio.h>
#include"html.h"

HTMLTag::HTMLTag(char *pp, char *pn){
    int length;

    for(length=0; &pp[length] <= pn; length++){
        if(pp[length] == ' '){
            break;
        }
    }

    tag = (char *)malloc(length + 1);
    memcpy(tag, pp, length);
    tag[length] = 0;

    length = pn - pp + 1;
    fulltag = (char *)malloc(length + 1);
    memcpy(fulltag, pp, length);
    fulltag[length] = 0;

    next = NULL;
    parent = NULL;
    text = NULL;
}

HTMLTag::~HTMLTag(){
    free(tag);
    free(fulltag);
    if(text){
        free(text);
    }
}

HTMLTag* HTMLTag::GetNext(){
    return next;
}

HTMLTag* HTMLTag::GetParent(){
    return parent;
}

void HTMLTag::SetNext(HTMLTag *ht){
    next = ht;
}

void HTMLTag::SetParent(HTMLTag *ht){
    parent = ht;
}

char* HTMLTag::GetTag(){
    return tag;
}

char* HTMLTag::GetFullTag(){
    return fulltag;
}

bool HTMLTag::Get(char *name, char *out){
    char *ename, *sp;
    int length = strlen(name) + 1;
    ename = (char *)malloc(length + 1);
    sprintf(ename, "%s=", name);
    sp = strstr(fulltag, ename);
    if(!sp){
        free(ename);
        return false;
    }
    else{
        int i, j = 0, count = 0;
        sp += strlen(ename);
        for(i=0; sp[i]; i++){
            switch(sp[i]){
            case '\"':
                count++;
                break;
            default:
                if(count == 1){
                    out[j++] = sp[i];
                }
                break;
            }
        }
        out[j] = 0;
        free(ename);
        return true;
    }
}

void HTMLTag::SetText(char *s){
    int length = strlen(s);
    text = (char *)malloc(length +1);
    memcpy(text, s, length + 1);
}
char* HTMLTag::GetText(){
    return text;
}