PPT Slide

<YYINITIAL> {

{Char} { print_xml_declaration();

print_start_tag("BookCatalogue");

yypushback(1);

yybegin(TITLE);

}

}

<TITLE> {

{Title} { print_start_tag("Book");

print_start_tag("Title");

print_element_data(yytext());

print_end_tag("Title");

}

{Slash} { yybegin(AUTHOR); }

<<EOF>> { print_end_tag("BookCatalogue");

return 0;

}

}

<AUTHOR> {

{Field} { print_start_tag("Author");

print_element_data(yytext());

print_end_tag("Author");

}

{Slash} { yybegin(DATE); }

}

<DATE> {

{Field} { print_start_tag("Date");

print_element_data(yytext());

print_end_tag("Date");

}

{Slash} { yybegin(ISBN); }

}

<ISBN> {

{Field} { print_start_tag("ISBN");

print_element_data(yytext());

print_end_tag("ISBN");

}

{Slash} { yybegin(PUBLISHER); }

}

<PUBLISHER> {

{Field} { print_start_tag("Publisher");

print_element_data(yytext());

print_end_tag("Publisher");

print_end_tag("Book");

}

{LineTerminator} { yybegin(TITLE); }

}

mylexer.flex

See example10

Do Lab9

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