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added out stream operator to lazy_entry

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This commit is contained in:
Arvid Norberg
2008-04-13 05:19:10 +00:00
parent ca872a0e82
commit a3e7124614
4 changed files with 87 additions and 6 deletions
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64
src/lazy_bdecode.cpp
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@@ -31,6 +31,8 @@ POSSIBILITY OF SUCH DAMAGE.
*/
#include "libtorrent/lazy_entry.hpp"
#include <iostream>
#include <iomanip>
namespace libtorrent
{
@@ -239,5 +241,67 @@ namespace libtorrent
m_capacity = 0;
m_type = none_t;
}
std::ostream& operator<<(std::ostream& os, lazy_entry const& e)
{
switch (e.type())
{
case lazy_entry::none_t: return os << "none";
case lazy_entry::int_t: return os << e.int_value();
case lazy_entry::string_t:
{
bool printable = true;
char const* str = e.string_value();
for (int i = 0; i < e.string_length(); ++i)
{
using namespace std;
if (isprint(str[i])) continue;
printable = false;
break;
}
if (printable) return os << str;
for (int i = 0; i < e.string_length(); ++i)
os << std::hex << (int)str[i];
}
case lazy_entry::list_t:
{
os << "[";
bool one_liner = e.list_size() == 0
|| e.list_at(0)->type() == lazy_entry::int_t
|| (e.list_at(0)->type() == lazy_entry::string_t
&& e.list_at(0)->string_length() < 5);
if (!one_liner) os << "\n";
for (int i = 0; i < e.list_size(); ++i)
{
if (i == 0 && one_liner) os << " ";
os << *e.list_at(i);
if (i < e.list_size() - 1) os << (one_liner?", ":",\n");
else os << (one_liner?" ":"\n");
}
return os << "]";
}
case lazy_entry::dict_t:
{
os << "{";
bool one_liner = e.dict_size() == 0
|| e.dict_at(0).second->type() == lazy_entry::int_t
|| (e.dict_at(0).second->type() == lazy_entry::string_t
&& e.dict_at(0).second->string_length() < 4)
|| strlen(e.dict_at(0).first) < 10;
if (!one_liner) os << "\n";
for (int i = 0; i < e.dict_size(); ++i)
{
if (i == 0 && one_liner) os << " ";
std::pair<char const*, lazy_entry const*> ent = e.dict_at(i);
os << "'" << ent.first << "': " << *ent.second;
if (i < e.dict_size() - 1) os << (one_liner?", ":",\n");
else os << (one_liner?" ":"\n");
}
return os << "}";
}
}
return os;
}
};