int line_longer_than(lazy_entry const& e, int limit)
{
int line_len = 0;
switch (e.type())
{
case lazy_entry::list_t:
line_len += 4;
if (line_len > limit) return -1;
for (int i = 0; i < e.list_size(); ++i)
{
int ret = line_longer_than(*e.list_at(i), limit - line_len);
if (ret == -1) return -1;
line_len += ret + 2;
}
break;
case lazy_entry::dict_t:
line_len += 4;
if (line_len > limit) return -1;
for (int i = 0; i < e.dict_size(); ++i)
{
line_len += 4 + e.dict_at(i).first.size();
if (line_len > limit) return -1;
int ret = line_longer_than(*e.dict_at(i).second, limit - line_len);
if (ret == -1) return -1;
line_len += ret + 1;
}
break;
case lazy_entry::string_t:
line_len += 3 + e.string_length();
break;
case lazy_entry::int_t:
{
boost::int64_t val = e.int_value();
while (val > 0)
{
++line_len;
val /= 10;
}
line_len += 2;
}
break;
case lazy_entry::none_t:
line_len += 4;
break;
}
if (line_len > limit) return -1;
return line_len;
}
std::string print_entry(lazy_entry const& e, bool single_line, int indent)
{
char indent_str[200];
memset(indent_str, ' ', 200);
indent_str[0] = ',';
indent_str[1] = '\n';
indent_str[199] = 0;
if (indent < 197 && indent >= 0) indent_str[indent+2] = 0;
std::string ret;
switch (e.type())
{
case lazy_entry::none_t: return "none";
case lazy_entry::int_t:
{
char str[100];
snprintf(str, sizeof(str), "%" PRId64, e.int_value());
return str;
}
case lazy_entry::string_t:
{
bool printable = true;
char const* str = e.string_ptr();
for (int i = 0; i < e.string_length(); ++i)
{
char c = str[i];
if (c >= 32 && c < 127) continue;
printable = false;
break;
}
ret += "'";
if (printable)
{
if (single_line && e.string_length() > 30)
{
ret.append(e.string_ptr(), 14);
ret += "...";
ret.append(e.string_ptr() + e.string_length()-14, 14);
}
else
ret.append(e.string_ptr(), e.string_length());
ret += "'";
return ret;
}
if (single_line && e.string_length() > 20)
{
for (int i = 0; i < 9; ++i)
{
char tmp[5];
snprintf(tmp, sizeof(tmp), "%02x", (unsigned char)str[i]);
ret += tmp;
}
ret += "...";
for (int i = e.string_length() - 9
, len(e.string_length()); i < len; ++i)
{
char tmp[5];
snprintf(tmp, sizeof(tmp), "%02x", (unsigned char)str[i]);
ret += tmp;
}
}
else
{
for (int i = 0; i < e.string_length(); ++i)
{
char tmp[5];
snprintf(tmp, sizeof(tmp), "%02x", (unsigned char)str[i]);
ret += tmp;
}
}
ret += "'";
return ret;
}
case lazy_entry::list_t:
{
ret += '[';
bool one_liner = line_longer_than(e, 200) != -1 || single_line;
if (!one_liner) ret += indent_str + 1;
for (int i = 0; i < e.list_size(); ++i)
{
if (i == 0 && one_liner) ret += " ";
ret += print_entry(*e.list_at(i), single_line, indent + 2);
if (i < e.list_size() - 1) ret += (one_liner?", ":indent_str);
else ret += (one_liner?" ":indent_str+1);
}
ret += "]";
return ret;
}
case lazy_entry::dict_t:
{
ret += "{";
bool one_liner = line_longer_than(e, 200) != -1 || single_line;
if (!one_liner) ret += indent_str+1;
for (int i = 0; i < e.dict_size(); ++i)
{
if (i == 0 && one_liner) ret += " ";
std::pair<std::string, lazy_entry const*> ent = e.dict_at(i);
ret += "'";
ret += ent.first;
ret += "': ";
ret += print_entry(*ent.second, single_line, indent + 2);
if (i < e.dict_size() - 1) ret += (one_liner?", ":indent_str);
else ret += (one_liner?" ":indent_str+1);
}
ret += "}";
return ret;
}
}
return ret;
}
std::string print_entry(lazy_entry const& e, bool single_line, int indent)
{
char indent_str[200];
memset(indent_str, ' ', 200);
indent_str[0] = ',';
indent_str[1] = '\n';
indent_str[199] = 0;
if (indent < 197 && indent >= 0) indent_str[indent+2] = 0;
std::string ret;
switch (e.type())
{
case lazy_entry::none_t:
return "none";
case lazy_entry::int_t:
{
char str[100];
std::snprintf(str, sizeof(str), "%" PRId64, e.int_value());
return str;
}
case lazy_entry::string_t:
{
print_string(ret, e.string_ptr(), e.string_length(), single_line);
return ret;
}
case lazy_entry::list_t:
{
ret += '[';
bool one_liner = line_longer_than(e, 200) != -1 || single_line;
if (!one_liner) ret += indent_str + 1;
for (int i = 0; i < e.list_size(); ++i)
{
if (i == 0 && one_liner) ret += " ";
ret += print_entry(*e.list_at(i), single_line, indent + 2);
if (i < e.list_size() - 1) ret += (one_liner?", ":indent_str);
else ret += (one_liner?" ":indent_str+1);
}
ret += "]";
return ret;
}
case lazy_entry::dict_t:
{
ret += "{";
bool one_liner = line_longer_than(e, 200) != -1 || single_line;
if (!one_liner) ret += indent_str+1;
for (int i = 0; i < e.dict_size(); ++i)
{
if (i == 0 && one_liner) ret += " ";
std::pair<std::string, lazy_entry const*> ent = e.dict_at(i);
print_string(ret, ent.first.c_str(), int(ent.first.size()), true);
ret += ": ";
ret += print_entry(*ent.second, single_line, indent + 2);
if (i < e.dict_size() - 1) ret += (one_liner?", ":indent_str);
else ret += (one_liner?" ":indent_str+1);
}
ret += "}";
return ret;
}
}
return ret;
}
