}
+bool hasDigit(docstring const & str)
+{
+ if (str.empty())
+ return false;
+
+ docstring::const_iterator cit = str.begin();
+ docstring::const_iterator const end = str.end();
+ for (; cit != end; ++cit) {
+ if (*cit == ' ')
+ continue;
+ if (isdigit((*cit)))
+ return true;
+ }
+ return false;
+}
+
+
static bool isHexChar(char_type c)
{
return c == '0' ||
}
+bool isLowerCase(char_type ch) {
+ return lowercase(ch) == ch;
+}
+
+
+bool isUpperCase(char_type ch) {
+ return uppercase(ch) == ch;
+}
+
+
namespace {
// since we cannot use tolower and toupper directly in the
bool suffixIs(string const & a, char c)
{
- if (a.empty())
+ if (a.empty())
return false;
return a[a.length() - 1] == c;
}
return tmp;
}
+
/// Substitute all \a oldchar with \a newchar
docstring const subst_char(docstring const & a,
docstring::value_type oldchar, docstring::value_type newchar)
return lstr;
}
+
docstring const subst_string(docstring const & a,
docstring const & oldstr, docstring const & newstr)
{
}
+/// Count all occurences of char \a chr inside \a str
+int count_char(docstring const & str, docstring::value_type chr)
+{
+ int count = 0;
+ docstring::const_iterator lit = str.begin();
+ docstring::const_iterator end = str.end();
+ for (; lit != end; ++lit)
+ if ((*lit) == chr)
+ count++;
+ return count;
+}
+
+
docstring const trim(docstring const & a, char const * p)
{
LASSERT(p, /**/);
}
+docstring const rsplit(docstring const & a, char_type delim)
+{
+ docstring tmp;
+ size_t i = a.rfind(delim);
+ if (i != string::npos)
+ tmp = a.substr(i + 1);
+ return tmp;
+}
+
+
docstring const escape(docstring const & lab)
{
char_type hexdigit[16] = { '0', '1', '2', '3', '4', '5', '6', '7',
}
-docstring wrap(docstring const & str, int const ind, size_t const width)
+namespace {
+
+// this doesn't check whether str is empty, so do that first.
+vector<docstring> wrapToVec(docstring const & str, int ind,
+ size_t const width)
{
docstring s = trim(str);
- if (s.empty())
- return docstring();
+ if (s.empty())
+ return vector<docstring>();
docstring indent;
- if (ind < 0)
- for (int j = 0; j > ind; --j)
- indent += " ";
- else if (ind > 0)
- for (int j = 0; j < ind; ++j)
- s = " " + s;
-
- docstring retval;
+ if (ind < 0) {
+ indent.insert(0, -ind, ' ');
+ ind = 0;
+ } else if (ind > 0)
+ s.insert(0, ind, ' ');
+
+ vector<docstring> retval;
while (s.size() > width) {
- size_t i = width - 1;
- // find the last space
- for (; i >= 0; --i)
- if (s[i] == ' ')
- break;
- if (i < 0) {
+ // find the last space within the first 'width' chars
+ size_t const i = s.find_last_of(' ', width - 1);
+ if (i == docstring::npos || i <= size_t(ind)) {
// no space found
s = s.substr(0, width - 3) + "...";
break;
}
- if (!retval.empty())
- retval += "\n";
- retval += s.substr(0, i);
+ retval.push_back(s.substr(0, i));
s = indent + s.substr(i);
+ ind = indent.size();
}
- if (!s.empty()) {
- if (!retval.empty())
- retval += "\n";
- retval += s;
- }
+ if (!s.empty())
+ retval.push_back(s);
return retval;
}
+}
+
+
+docstring wrap(docstring const & str, int const ind, size_t const width)
+{
+ docstring s = trim(str);
+ if (s.empty())
+ return docstring();
+
+ vector<docstring> const svec = wrapToVec(str, ind, width);
+ return getStringFromVector(svec, from_ascii("\n"));
+}
+
+
+docstring wrapParas(docstring const & str, int const indent,
+ size_t const width, size_t const maxlines)
+{
+ if (str.empty())
+ return docstring();
+
+ vector<docstring> const pars = getVectorFromString(str, from_ascii("\n"), true);
+ vector<docstring> retval;
+
+ vector<docstring>::const_iterator it = pars.begin();
+ vector<docstring>::const_iterator const en = pars.end();
+ for (; it != en; ++it) {
+ vector<docstring> tmp = wrapToVec(*it, indent, width);
+ size_t const nlines = tmp.size();
+ if (nlines == 0)
+ continue;
+ size_t const curlines = retval.size();
+ if (maxlines > 0 && curlines + nlines >= maxlines) {
+ tmp.resize(maxlines - curlines - 1);
+ tmp.push_back(from_ascii("..."));
+ }
+ retval.insert(retval.end(), tmp.begin(), tmp.end());
+ if (maxlines > 0 && retval.size() >= maxlines)
+ break;
+ }
+ return getStringFromVector(retval, from_ascii("\n"));
+}
namespace {
#endif
}
+
+template<typename String> const String
+ getStringFromVector(vector<String> const & vec, String const & delim)
+{
+ String str;
+ typename vector<String>::const_iterator it = vec.begin();
+ typename vector<String>::const_iterator en = vec.end();
+ for (; it != en; ++it) {
+ String item = trim(*it);
+ if (item.empty())
+ continue;
+ if (!str.empty())
+ str += delim;
+ str += item;
+ }
+ return str;
+}
+
} // namespace anon
}
-// the same vice versa
string const getStringFromVector(vector<string> const & vec,
string const & delim)
{
- string str;
- int i = 0;
- for (vector<string>::const_iterator it = vec.begin();
- it != vec.end(); ++it) {
- string item = trim(*it);
- if (item.empty())
- continue;
- if (i++ > 0)
- str += delim;
- str += item;
- }
- return str;
+ return getStringFromVector<string>(vec, delim);
+}
+
+
+docstring const getStringFromVector(vector<docstring> const & vec,
+ docstring const & delim)
+{
+ return getStringFromVector<docstring>(vec, delim);
}
}
+template<>
+docstring bformat(docstring const & fmt, docstring arg1, int arg2)
+{
+ LASSERT(contains(fmt, from_ascii("%1$s")), /**/);
+ LASSERT(contains(fmt, from_ascii("%2$d")), /**/);
+ docstring str = subst(fmt, from_ascii("%1$s"), arg1);
+ str = subst(str, from_ascii("%2$d"), convert<docstring>(arg2));
+ return subst(str, from_ascii("%%"), from_ascii("%"));
+}
+
+
template<>
docstring bformat(docstring const & fmt, char const * arg1, docstring arg2)
{