std::string encode_field(str_ref v, bool add_br)
{
std::string r;
r.reserve(v.size() << 1);
while (v)
{
if (boost::istarts_with(v, "ftp://")
|| boost::istarts_with(v, "http://")
|| boost::istarts_with(v, "https://")
|| boost::istarts_with(v, "mailto:"))
{
size_t p = 0;
while (p < v.size() && !isspace(v[p] & 0xff) && v[p] != '\"' && v[p] != '<' && v[p] != '>' && v[p] != '[' && v[p] != ']')
p++;
if (v[p - 1] == '!' || v[p - 1] == ',' || v[p - 1] == '.' || v[p - 1] == '?')
p--;
if (v[p - 1] == ')')
p--;
str_ref url = v.substr(0, p);
if (boost::istarts_with(v, "ftp."))
r += web_link(url, "ftp://" + url.s());
else if (boost::istarts_with(v, "www."))
r += web_link(url, "http://" + url.s());
else
r += web_link(boost::istarts_with(v, "mailto:") ? url.substr(7) : url, url);
while (p--)
v.pop_front();
}
else
{
switch (v.front())
{
case '\n':
r += add_br ? "<br>" : " ";
break;
case '\r':
break;
case '&':
r += "&";
break;
case '<':
r += "<";
break;
default:
r += v.front();
}
v.pop_front();
}
}
return r;
}
static std::string web_encode(str_ref v)
{
std::string d;
d.reserve(v.size() << 1);
while (v)
{
switch (v.front())
{
case '"':
d += """;
break;
case '&':
d += "&";
break;
case '<':
d += "<";
break;
default:
d += v.front();
}
v.pop_front();
}
return d;
}
bb_t get_next(str_ref& s, str_ref& a0)
{
if (!s)
return bb_end;
if (s.front() != '[')
{
auto a = std::find(s.begin(), s.end(), '[');
if (a == s.end())
{
a0 = s;
s.clear();
}
else
{
a0 = str_ref(s.begin(), a);
s.set_begin(a);
}
return bb_literal;
}
auto a = std::find(s.begin(), s.end(), ']');
if (a == s.end())
{
a0 = s;
s.clear();
return bb_literal;
}
str_ref tag = { &s[1], a };
s.set_begin(a + 1);
a0.clear();
if (tag == "b")
return bb_bold;
if (tag == "/b")
return bb_bold_close;
if (tag == "center")
return bb_center;
if (tag == "/center")
return bb_center_close;
if (boost::starts_with(tag, "color="))
{
a0 = tag.substr(6);
return bb_color;
}
if (tag == "/color")
return bb_color_close;
if (boost::starts_with(tag, "font=") || tag == "/font")
return bb_none;
if (tag == "i" || tag == "/i")
return bb_none;
if (tag == "img" || tag == "IMG" || tag == "/img" || tag == "/IMG")
return bb_none;
if (boost::starts_with(tag, "img="))
{
a0 = tag.substr(4);
return bb_literal;
}
if (tag == "q" || tag == "quote")
return bb_quote;
if (boost::starts_with(tag, "quote="))
{
a0 = tag.substr(6);
return bb_quote;
}
if (tag == "/q" || tag == "/quote")
return bb_quote_close;
if (tag == "s")
return bb_strike;
if (tag == "/s")
return bb_strike_close;
if (boost::starts_with(tag, "size=") || tag == "/size")
return bb_none;
if (tag == "u")
return bb_underline;
if (tag == "/u")
return bb_underline_close;
if (boost::starts_with(tag, "url="))
{
a0 = tag.substr(4);
return bb_url;
}
if (tag == "/url")
return bb_none;
if (boost::starts_with(tag, "video="))
{
a0 = tag.substr(6);
return bb_video;
}
a0 = tag;
return bb_unknown;
}
