+ int i;
+ for (i = 0; i < *content_len; i++)
+ if ((*content_buf)[i] == 0)
+ return; // binary content. skip
+
+ HTMLParser parser;
+ Event ev(this, vars);
+ std::string buf(*content_buf, *content_len);
+
+ parser.parse(ev, buf.c_str());
+ const char *res = ev.result();
+ *content_buf = odr_strdup(o, res);
+ *content_len = strlen(res);
+ }
+}
+
+yf::HttpRewrite::Event::Event(const Phase *p,
+ std::map<std::string, std::string> & vars
+ ) : m_phase(p), m_vars(vars)
+{
+ m_w = wrbuf_alloc();
+ enabled_within = m_phase->within_list.end();
+}
+
+yf::HttpRewrite::Event::~Event()
+{
+ wrbuf_destroy(m_w);
+}
+
+const char *yf::HttpRewrite::Event::result()
+{
+ return wrbuf_cstr(m_w);
+}
+
+void yf::HttpRewrite::Event::openTagStart(const char *name)
+{
+ // check if there is <within tag="x" .. />
+ if (enabled_within == m_phase->within_list.end())
+ {
+ std::list<Within>::const_iterator it =
+ m_phase->within_list.begin();
+ for (; it != m_phase->within_list.end(); it++)
+ {
+ if (it->tag.length() > 0 && it->tag.compare(name) == 0)
+ {
+ enabled_within = it;
+ }
+ }
+ }
+ wrbuf_putc(m_w, '<');
+ wrbuf_puts(m_w, name);
+}
+
+void yf::HttpRewrite::Event::anyTagEnd(const char *name, int close_it)
+{
+ if (close_it)
+ {
+ std::list<Within>::const_iterator it = enabled_within;
+ if (it != m_phase->within_list.end())
+ {
+ if (it->tag.compare(name) == 0)
+ {
+ enabled_within = m_phase->within_list.end();
+ }
+ }
+ }
+ if (close_it)
+ wrbuf_putc(m_w, '/');
+ wrbuf_putc(m_w, '>');
+}
+
+void yf::HttpRewrite::Event::attribute(const char *tagName,
+ const char *name,
+ const char *value,
+ int val_len)
+{
+ std::list<Within>::const_iterator it = m_phase->within_list.begin();
+ bool subst = false;
+
+ for (; it != m_phase->within_list.end(); it++)
+ {
+ if (it->tag.length() == 0 || it->tag.compare(tagName) == 0)
+ {
+ std::vector<std::string> attr;
+ boost::split(attr, it->attr, boost::is_any_of(","));
+ size_t i;
+ for (i = 0; i < attr.size(); i++)
+ {
+ if (attr[i].compare("#text") && attr[i].compare(name) == 0)
+ subst = true;
+ }
+ }
+ if (subst)
+ break;
+ }
+
+ wrbuf_putc(m_w, ' ');
+ wrbuf_puts(m_w, name);
+ wrbuf_puts(m_w, "=\"");
+
+ std::string output;
+ if (subst)
+ {
+ std::string input(value, val_len);
+ output = it->rule->test_patterns(m_vars, input);
+ }
+ if (output.empty())
+ wrbuf_write(m_w, value, val_len);
+ else
+ wrbuf_puts(m_w, output.c_str());
+ wrbuf_puts(m_w, "\"");
+}
+
+void yf::HttpRewrite::Event::closeTag(const char *name)
+{
+ std::list<Within>::const_iterator it = enabled_within;
+ if (it != m_phase->within_list.end())
+ {
+ if (it->tag.compare(name) == 0)
+ {
+ enabled_within = m_phase->within_list.end();
+ }
+ }
+ wrbuf_puts(m_w, "</");
+ wrbuf_puts(m_w, name);
+}
+
+void yf::HttpRewrite::Event::text(const char *value, int len)
+{
+ std::list<Within>::const_iterator it = enabled_within;
+ bool subst = false;
+
+ if (it != m_phase->within_list.end())
+ {
+ subst = true;
+ if (it->attr.length() > 0)