bool
SimpleHTMLParser::parse(char * buffer, int n)
{
enum { START, TAG, SCRIPT, ANCHOR, HREF,
COMMENT, FRAME, SRC, TITLE, METAK, METAD, METAN } state;//added case TITLE
state = START;
char * temp = (char*)malloc(1000*sizeof(char));//added
char * in = temp;
int flag = 0;
int ent = 0;
char * bufferEnd = buffer + n;
char * b = buffer;
bool lastCharSpace = false;
while (b < bufferEnd) {
//printf("<%c,%d,%d>", *b, *b,state);
switch (state) {
case START: {
if (match(&b,"<SCRIPT")) {
state = SCRIPT;
}
else if (match(&b,"<TITLE>"))//added this elif
{
state = TITLE;
}
else if(match(&b,"<META NAME=\"KEYWORDS\" CONTENT=\""))//added METAK
{
state = METAK;
}
else if(match(&b,"<META NAME=\"DESCRIPTION\" CONTENT=\""))//added METAD
{
state = METAD;
}
else if(match(&b,"<META CONTENT=\""))//added METAN
{
state = METAN;
}
else if (match(&b,"<!--")) {
state = COMMENT;
}
else if (match(&b,"<A ")) {
state = ANCHOR;
}
else if (match(&b,"<FRAME ")) {
state = FRAME;
}
else if (match(&b,"<")) {
state = TAG;
}
else {
char c = *b;
//Substitute one or more blank chars with a single space
/*if (c=='\n'||c=='\r'||c=='\t'||c==' ') {
if (!lastCharSpace) {
onContentFound(' ');
}
lastCharSpace = true;
}
else {
onContentFound(c);
lastCharSpace = false;
}*/
b++;
}
break;
}
case ANCHOR: {
if (match(&b,"href=\"")) {
state = HREF;
urlAnchorLength=0;
//printf("href=");
}
else if (match(&b,">")) {
// End script
state = START;
}
else {
b++;
}
break;
}
case HREF: {
if (match(&b,"\"")) {
// Found ending "
state = ANCHOR;
urlAnchor[urlAnchorLength] = '\0';
onAnchorFound(urlAnchor);
//printf("\n");
}
else {
if ( urlAnchorLength < MaxURLLength-1) {
urlAnchor[urlAnchorLength] = *b;
urlAnchorLength++;
}
//printf("%c", *b, *b);
b++;
}
break;
}
case TITLE://addded this case
{
if(ent == 0)
{
onContentFound(']');
ent ++;
}
if(match(&b,"</title>"))
{
onContentFound('\n');
onContentFound('[');
ent = 0;
state = START;
}
else
{
onContentFound(*b);
b++;
}
break;
}
case FRAME: {
if (match(&b,"src=\"")) {
state = SRC;
urlAnchorLength=0;
//printf("href=");
}
else if (match(&b,">")) {
// End script
state = START;
}
else {
b++;
}
break;
}
case METAK://adding
{
if(ent == 0)
{
onContentFound('/');
ent ++;
}
if(match(&b,"\" />"))
{
onContentFound('[');
ent = 0;
state = START;
break;
}
//printf("ninet\n");
//if(match(&b,))
onContentFound(*b);
b++;
break;
}
case METAD://adding
{
if(ent == 0)
{
onContentFound(':');
ent ++;
}
if(match(&b,"\" />")||match(&b,">"))
{
onContentFound('[');
ent = 0;
state = START;
break;
}
//printf("ninet\n");
//if(match(&b,))
onContentFound(*b);
b++;
break;
}
case METAN://added
{
//if(match(&b,"NAME=\"DESCRIPTION\"/>") || match(&b,"NAME=\"KEYWORDS\"/>"))
/*if(match(&b,"/>"))
{
onContentFound('[');
printf("END\n");
state = START;
break;
}*/
//if(ent ==0)
//{
// ent = 1;
// onContentFound(';');
//}
flag = 0;
for(int i = 0;i<strlen(temp);i++)
{
*temp ='\0';
temp ++;
}
temp = in;
while(!match(&b,"/>"))//&&(!match(&b,">")))
{
/* if(match(&b,">"))//kind of added
{
flag = 1;
ent = 2;
state = START;
break;
//break;
}*/
//printf("y0u\n");
*temp = *b;
//onContentFound(*temp);
//printf("%c\n",*temp);
//onContentFound(*b);
//b++;
//temp++;
if(match(&b,"NAME=\"DESCRIPTION\"/>"))// || match(&b,"NAME=\"KEYWORDS\"/>"))
{
//onContentFound(':');
//temp = in;
//printf("entry\n");
flag = 1;
ent = 1;
state = START;
break;
}
else if(match(&b,"NAME=\"KEYWORDS\"/>"))
{
//onContentFound('/');
//temp = in;
//printf("entry\n");
flag = 1;
ent = 2;
state = START;
break;
}
else if(match(&b,"\">"))
{
temp = in;
state = START;
flag = 0;
ent = 0;
break;
}
b++;
temp++;
}
//printf("jk: %s\n", in);
*temp = '\0';
temp = in;
int l = 0;
//printf("%ld\n",strlen(in));
if(flag == 0)
{
state = START;
temp = in;
ent = 0;
break;
}
else
{
if(ent == 1)
{
onContentFound(':');
while(l<(strlen(in)))
{
//onContentFound(*(temp+l));
//printf("w1 %c\n",*(temp+l));
onContentFound(*temp);
l++;
temp++;
}
//do something
}
else
{
onContentFound('/');
//do somefink else
while((l<(strlen(in)) && (*temp!='\"')))
{
//onContentFound(*(temp+l));
//printf("w1 %c\n",*(temp+l));
onContentFound(*temp);
//printf("*temp is %c",*temp);
l++;
temp++;
}
}
/*while(l<(strlen(in)))
{
//onContentFound(*(temp+l));
//printf("w1 %c\n",*(temp+l));
onContentFound(*temp);
l++;
temp++;
}*/
}
temp = in;
/*for(int i = 0; i<strlen(temp);i++)
{
*(temp+i) = '\0';
}*/
onContentFound('[');
state = START;
break;
}
case SRC: {
if (match(&b,"\"")) {
// Found ending "
state = FRAME;
urlAnchor[urlAnchorLength] = '\0';
onAnchorFound(urlAnchor);
//printf("\n");
}
else {
if ( urlAnchorLength < MaxURLLength-1) {
urlAnchor[urlAnchorLength] = *b;
urlAnchorLength++;
}
//printf("%c", *b, *b);
b++;
}
break;
}
case SCRIPT: {
if (match(&b,"/SCRIPT>")) {
// End script
state = START;
}
else {
b++;
}
break;
}
case COMMENT: {
if (match(&b,"-->")) {
// End comments
state = START;
}
else {
b++;
}
break;
}
case TAG: {
if (match(&b, ">")) {
state = START;
}
else {
b++;
}
break;
}
default:;
}
}
}
bool
SimpleHTMLParser::parse(char * buffer, int n)
{
enum { START, TAG, SCRIPT, ANCHOR, HREF,
COMMENT, FRAME, SRC } state;
state = START;
char * bufferEnd = buffer + n;
char * b = buffer;
bool lastCharSpace = false;
while (b < bufferEnd) {
//printf("<%c,%d,%d>", *b, *b,state);
switch (state) {
case START: {
if (match(&b,"<SCRIPT")) {
state = SCRIPT;
}
else if (match(&b,"<!--")) {
state = COMMENT;
}
else if (match(&b,"<A ")) {
state = ANCHOR;
}
else if (match(&b,"<FRAME ")) {
state = FRAME;
}
else if (match(&b,"<")) {
state = TAG;
}
else {
char c = *b;
//Substitute one or more blank chars with a single space
if (c=='\n'||c=='\r'||c=='\t'||c==' ') {
if (!lastCharSpace) {
onContentFound(' ');
}
lastCharSpace = true;
}
else {
onContentFound(c);
lastCharSpace = false;
}
b++;
}
break;
}
case ANCHOR: {
if (match(&b,"href=\"")) {
state = HREF;
urlAnchorLength=0;
//printf("href=");
}
else if (match(&b,">")) {
// End script
state = START;
}
else {
b++;
}
break;
}
case HREF: {
if (match(&b,"\"")) {
// Found ending "
state = ANCHOR;
urlAnchor[urlAnchorLength] = '\0';
onAnchorFound(urlAnchor);
//printf("\n");
}
else {
if ( urlAnchorLength < MaxURLLength-1) {
urlAnchor[urlAnchorLength] = *b;
urlAnchorLength++;
}
//printf("%c", *b, *b);
b++;
}
break;
}
case FRAME: {
if (match(&b,"src=\"")) {
state = SRC;
urlAnchorLength=0;
//printf("href=");
}
else if (match(&b,">")) {
// End script
state = START;
}
else {
b++;
}
break;
}
case SRC: {
if (match(&b,"\"")) {
// Found ending "
state = FRAME;
urlAnchor[urlAnchorLength] = '\0';
onAnchorFound(urlAnchor);
//printf("\n");
}
else {
if ( urlAnchorLength < MaxURLLength-1) {
urlAnchor[urlAnchorLength] = *b;
urlAnchorLength++;
}
//printf("%c", *b, *b);
b++;
}
break;
}
case SCRIPT: {
if (match(&b,"/SCRIPT>")) {
// End script
state = START;
}
else {
b++;
}
break;
}
case COMMENT: {
if (match(&b,"-->")) {
// End comments
state = START;
}
else {
b++;
}
break;
}
case TAG: {
if (match(&b, ">")) {
state = START;
}
else {
b++;
}
break;
}
default:;
}
}
}
