PPT Slide

%{

private void print_start_tag(String s) {

System.out.print("<" + s + ">");

}

private void print_element_data(String s) {

System.out.print(s);

}

private void print_end_tag(String s) {

System.out.print("</" + s + ">");

}

private void print_new_line() {

System.out.println();

}

%}

%%

{Title} { print_start_tag("Title");

print_element_data(yytext());

print_end_tag("Title");

}

{Field} { print_start_tag("Field");

print_element_data(yytext());

print_end_tag("Field");

}

{Slash} { print_new_line(); }

{LineTerminator} { print_new_line(); }

<<EOF>> { return 0; }

mylexer.flex

See example06

Output:

<Title>"My Life and Times"</Title>

<Field>Paul McCartney</Field>

<Field>July, 1998</Field>

<Field�-12021-43892</Field>

<Field>McMillin Publishing</Field>

<Title>"Illusions…"</Title>

<Field>Richard Bach</Field>

...

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