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format: implement generic format parser and printer

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This commit is contained in:
Andrzej Rybczak
2014-11-10 00:31:53 +01:00
parent 25708093e6
commit 8d24c42261
31 changed files with 640 additions and 408 deletions
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89
src/helpers.h
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@@ -331,95 +331,6 @@ template <typename Iterator> std::string getSharedDirectory(Iterator first, Iter
return result;
}
template <typename Iterator>
void stringToBuffer(Iterator first, Iterator last, NC::BasicBuffer<typename Iterator::value_type> &buf)
{
for (auto it = first; it != last; ++it)
{
if (*it == '$')
{
if (++it == last)
{
buf << '$';
break;
}
else if (isdigit(*it))
{
buf << charToColor(*it);
}
else
{
switch (*it)
{
case 'b':
buf << NC::Format::Bold;
break;
case 'u':
buf << NC::Format::Underline;
break;
case 'a':
buf << NC::Format::AltCharset;
break;
case 'r':
buf << NC::Format::Reverse;
break;
case '/':
if (++it == last)
{
buf << '$' << '/';
break;
}
switch (*it)
{
case 'b':
buf << NC::Format::NoBold;
break;
case 'u':
buf << NC::Format::NoUnderline;
break;
case 'a':
buf << NC::Format::NoAltCharset;
break;
case 'r':
buf << NC::Format::NoReverse;
break;
default:
buf << '$' << *--it;
break;
}
break;
default:
buf << *--it;
break;
}
}
}
else if (*it == MPD::Song::FormatEscapeCharacter)
{
// treat '$' as a normal character if song format escape char is prepended to it
if (++it == last || *it != '$')
--it;
buf << *it;
}
else
buf << *it;
}
}
template <typename CharT>
void stringToBuffer(const std::basic_string<CharT> &s, NC::BasicBuffer<CharT> &buf)
{
stringToBuffer(s.begin(), s.end(), buf);
}
template <typename CharT>
NC::BasicBuffer<CharT> stringToBuffer(const std::basic_string<CharT> &s)
{
NC::BasicBuffer<CharT> result;
stringToBuffer(s, result);
return result;
}
template <typename T> void ShowTime(T &buf, size_t length, bool short_names)
{
const unsigned MINUTE = 60;