* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* ---------------------------------------------------
*/
+/* $Core */
+
#include "inspircd.h"
#include "hashcomp.h"
-#ifndef WIN32
-#include <ext/hash_map>
-#define nspace __gnu_cxx
-#else
-#include <hash_map>
-#define nspace stdext
-using stdext::hash_map;
-#endif
+#include "hash_map.h"
/******************************************************
*
*
******************************************************/
-using namespace irc::sockets;
-
/* convert a string to lowercase. Note following special circumstances
* taken from RFC 1459. Many "official" server branches still hold to this
* rule so i will too;
if (n)
{
for (char* t = n; *t; t++)
- *t = lowermap[(unsigned char)*t];
+ *t = national_case_insensitive_map[(unsigned char)*t];
}
}
#ifndef WIN32
-size_t nspace::hash<string>::operator()(const string &s) const
+ #ifdef HASHMAP_DEPRECATED
+ size_t nspace::insensitive::operator()(const std::string &s) const
+ #else
+ size_t nspace::hash<std::string>::operator()(const std::string &s) const
+ #endif
#else
-size_t nspace::hash_compare<string, std::less<string> >::operator()(const string &s) const
+ size_t nspace::hash_compare<std::string, std::less<std::string> >::operator()(const std::string &s) const
#endif
{
/* XXX: NO DATA COPIES! :)
* The hash function here is practically
* a copy of the one in STL's hash_fun.h,
- * only with *x replaced with lowermap[*x].
+ * only with *x replaced with national_case_insensitive_map[*x].
* This avoids a copy to use hash<const char*>
*/
register size_t t = 0;
for (std::string::const_iterator x = s.begin(); x != s.end(); ++x) /* ++x not x++, as its faster */
- t = 5 * t + lowermap[(unsigned char)*x];
+ t = 5 * t + national_case_insensitive_map[(unsigned char)*x];
return t;
}
+
#ifndef WIN32
size_t nspace::hash<irc::string>::operator()(const irc::string &s) const
#else
{
register size_t t = 0;
for (irc::string::const_iterator x = s.begin(); x != s.end(); ++x) /* ++x not x++, as its faster */
- t = 5 * t + lowermap[(unsigned char)*x];
+ t = 5 * t + national_case_insensitive_map[(unsigned char)*x];
return t;
}
bool irc::StrHashComp::operator()(const std::string& s1, const std::string& s2) const
{
- unsigned char* n1 = (unsigned char*)s1.c_str();
- unsigned char* n2 = (unsigned char*)s2.c_str();
+ const unsigned char* n1 = (const unsigned char*)s1.c_str();
+ const unsigned char* n2 = (const unsigned char*)s2.c_str();
for (; *n1 && *n2; n1++, n2++)
- if (lowermap[*n1] != lowermap[*n2])
+ if (national_case_insensitive_map[*n1] != national_case_insensitive_map[*n2])
return false;
- return (lowermap[*n1] == lowermap[*n2]);
+ return (national_case_insensitive_map[*n1] == national_case_insensitive_map[*n2]);
}
/******************************************************
* std::string which is not only case-insensitive but
* can also do scandanavian comparisons, e.g. { = [, etc.
*
- * This class depends on the const array 'lowermap'.
+ * This class depends on the const array 'national_case_insensitive_map'.
*
******************************************************/
bool irc::irc_char_traits::eq(char c1st, char c2nd)
{
- return lowermap[(unsigned char)c1st] == lowermap[(unsigned char)c2nd];
+ return national_case_insensitive_map[(unsigned char)c1st] == national_case_insensitive_map[(unsigned char)c2nd];
}
bool irc::irc_char_traits::ne(char c1st, char c2nd)
{
- return lowermap[(unsigned char)c1st] != lowermap[(unsigned char)c2nd];
+ return national_case_insensitive_map[(unsigned char)c1st] != national_case_insensitive_map[(unsigned char)c2nd];
}
bool irc::irc_char_traits::lt(char c1st, char c2nd)
{
- return lowermap[(unsigned char)c1st] < lowermap[(unsigned char)c2nd];
+ return national_case_insensitive_map[(unsigned char)c1st] < national_case_insensitive_map[(unsigned char)c2nd];
}
int irc::irc_char_traits::compare(const char* str1, const char* str2, size_t n)
{
for(unsigned int i = 0; i < n; i++)
{
- if(lowermap[(unsigned char)*str1] > lowermap[(unsigned char)*str2])
+ if(national_case_insensitive_map[(unsigned char)*str1] > national_case_insensitive_map[(unsigned char)*str2])
return 1;
- if(lowermap[(unsigned char)*str1] < lowermap[(unsigned char)*str2])
+ if(national_case_insensitive_map[(unsigned char)*str1] < national_case_insensitive_map[(unsigned char)*str2])
return -1;
if(*str1 == 0 || *str2 == 0)
const char* irc::irc_char_traits::find(const char* s1, int n, char c)
{
- while(n-- > 0 && lowermap[(unsigned char)*s1] != lowermap[(unsigned char)c])
+ while(n-- > 0 && national_case_insensitive_map[(unsigned char)*s1] != national_case_insensitive_map[(unsigned char)c])
s1++;
return s1;
}
n = tokens.begin();
}
-const std::string irc::sepstream::GetToken()
+bool irc::sepstream::GetToken(std::string &token)
{
std::string::iterator lsp = last_starting_position;
while (n != tokens.end())
{
- /** Skip multi seps, converting "<sep><sep>" into "<sep>"
- */
- while ((n+1 != tokens.end()) && (*n == sep) && (*(n+1) == sep))
- n++;
-
if ((*n == sep) || (n+1 == tokens.end()))
{
last_starting_position = n+1;
- std::string strip = std::string(lsp, n+1 == tokens.end() ? n+1 : n++);
+ token = std::string(lsp, n+1 == tokens.end() ? n+1 : n++);
- while ((strip.length()) && (strip.find_last_of(sep) == strip.length() - 1))
- strip.erase(strip.end() - 1);
+ while ((token.length()) && (token.find_last_of(sep) == token.length() - 1))
+ token.erase(token.end() - 1);
- return strip;
+ if (token.empty())
+ n++;
+
+ return n == tokens.end() ? false : true;
}
n++;
}
- return "";
+ token = "";
+ return false;
}
const std::string irc::sepstream::GetRemaining()
}
-irc::modestacker::modestacker(bool add) : adding(add)
+irc::modestacker::modestacker(InspIRCd* Instance, bool add) : ServerInstance(Instance), adding(add)
{
sequence.clear();
sequence.push_back("");
if (sequence.size() > 1)
nextsize = sequence[1].length() + 2;
- while (!sequence[0].empty() && (sequence.size() > 1) && (result.size() < MAXMODES) && ((size + nextsize) < max_line_size))
+ while (!sequence[0].empty() && (sequence.size() > 1) && (result.size() < ServerInstance->Config->Limits.MaxModes) && ((size + nextsize) < max_line_size))
{
result[0] += *(sequence[0].begin());
if (!sequence[1].empty())
irc::stringjoiner::stringjoiner(const std::string &seperator, const std::vector<std::string> &sequence, int begin, int end)
{
+ if (end < begin)
+ throw "stringjoiner logic error, this causes problems.";
+
for (int v = begin; v < end; v++)
joined.append(sequence[v]).append(seperator);
joined.append(sequence[end]);
irc::stringjoiner::stringjoiner(const std::string &seperator, const std::deque<std::string> &sequence, int begin, int end)
{
+ if (end < begin)
+ throw "stringjoiner logic error, this causes problems.";
+
for (int v = begin; v < end; v++)
joined.append(sequence[v]).append(seperator);
joined.append(sequence[end]);
}
-irc::stringjoiner::stringjoiner(const std::string &seperator, const char** sequence, int begin, int end)
+irc::stringjoiner::stringjoiner(const std::string &seperator, const char* const* sequence, int begin, int end)
{
+ if (end < begin)
+ throw "stringjoiner logic error, this causes problems.";
+
for (int v = begin; v < end; v++)
joined.append(sequence[v]).append(seperator);
joined.append(sequence[end]);
in_range = 0;
}
- std::string x = sep->GetToken();
+ std::string x;
+ sep->GetToken(x);
if (x.empty())
return 0;
while (Overlaps(atoi(x.c_str())))
{
- x = sep->GetToken();
-
- if (x.empty())
+ if (!sep->GetToken(x))
return 0;
}
}
}
-irc::dynamicbitmask::dynamicbitmask() : bits_size(4)
-{
- /* We start with 4 bytes allocated which is room
- * for 4 items. Something makes me doubt its worth
- * allocating less than 4 bytes.
- */
- bits = new unsigned char[bits_size];
- memset(bits, 0, bits_size);
-}
-
-irc::dynamicbitmask::~dynamicbitmask()
-{
- /* Tidy up the entire used memory on delete */
- delete[] bits;
-}
-
-irc::bitfield irc::dynamicbitmask::Allocate()
-{
- /* Yeah, this isnt too efficient, however a module or the core
- * should only be allocating bitfields on load, the Toggle and
- * Get methods are O(1) as these are called much more often.
- */
- unsigned char* freebits = this->GetFreeBits();
- for (unsigned char i = 0; i < bits_size; i++)
- {
- /* Yes, this is right. You'll notice we terminate the loop when !current_pos,
- * this is because we logic shift our bit off the end of unsigned char, and its
- * lost, making the loop counter 0 when we're done.
- */
- for (unsigned char current_pos = 1; current_pos; current_pos = current_pos << 1)
- {
- if (!(freebits[i] & current_pos))
- {
- freebits[i] |= current_pos;
- return std::make_pair(i, current_pos);
- }
- }
- }
- /* We dont have any free space left, increase by one */
-
- if (bits_size == 255)
- /* Oh dear, cant grow it any further */
- throw std::bad_alloc();
-
- unsigned char old_bits_size = bits_size;
- bits_size++;
- /* Allocate new bitfield space */
- unsigned char* temp_bits = new unsigned char[bits_size];
- unsigned char* temp_freebits = new unsigned char[bits_size];
- /* Copy the old data in */
- memcpy(temp_bits, bits, old_bits_size);
- memcpy(temp_freebits, freebits, old_bits_size);
- /* Delete the old data pointers */
- delete[] bits;
- delete[] freebits;
- /* Swap the pointers over so now the new
- * pointers point to our member values
- */
- bits = temp_bits;
- freebits = temp_freebits;
- this->SetFreeBits(freebits);
- /* Initialize the new byte on the end of
- * the bitfields, pre-allocate the one bit
- * for this allocation
- */
- bits[old_bits_size] = 0;
- freebits[old_bits_size] = 1;
- /* We already know where we just allocated
- * the bitfield, so no loop needed
- */
- return std::make_pair(old_bits_size, 1);
-}
-
-bool irc::dynamicbitmask::Deallocate(irc::bitfield &pos)
-{
- /* We dont bother to shrink the bitfield
- * on deallocation, the most we could do
- * is save one byte (!) and this would cost
- * us a loop (ugly O(n) stuff) so we just
- * clear the bit and leave the memory
- * claimed -- nobody will care about one
- * byte.
- */
- if (pos.first < bits_size)
- {
- this->GetFreeBits()[pos.first] &= ~pos.second;
- return true;
- }
- /* They gave a bitfield outside of the
- * length of our array. BAD programmer.
- */
- return false;
-}
-
-void irc::dynamicbitmask::Toggle(irc::bitfield &pos, bool state)
-{
- /* Range check the value */
- if (pos.first < bits_size)
- {
- if (state)
- /* Set state, OR the state in */
- bits[pos.first] |= pos.second;
- else
- /* Clear state, AND the !state out */
- bits[pos.first] &= ~pos.second;
- }
-}
-
-bool irc::dynamicbitmask::Get(irc::bitfield &pos)
-{
- /* Range check the value */
- if (pos.first < bits_size)
- return (bits[pos.first] & pos.second);
- else
- /* We can't return false, otherwise we can't
- * distinguish between failure and a cleared bit!
- * Our only sensible choice is to throw (ew).
- */
- throw ModuleException("irc::dynamicbitmask::Get(): Invalid bitfield, out of range");
-}
-
-unsigned char irc::dynamicbitmask::GetSize()
-{
- return bits_size;
-}
-