/*
* InspIRCd -- Internet Relay Chat Daemon
*
+ * Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2013, 2018-2019 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2013 Adam <Adam@anope.org>
+ * Copyright (C) 2012-2013, 2015-2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2005-2009 Craig Edwards <craigedwards@brainbox.cc>
- * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2005-2007, 2010 Craig Edwards <brain@inspircd.org>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
*/
-/* $Core */
-
#include "inspircd.h"
-#include "hashcomp.h"
/******************************************************
*
250, 251, 252, 253, 254, 255, // 250-255
};
-/**
- * A case sensitive mapping of characters from upper case to lower case for the
- * character set of RFC 1459. This is identical to ASCII.
- */
-unsigned const char rfc_case_sensitive_map[256] = {
- 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, // 0-9
- 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, // 10-19
- 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, // 20-29
- 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, // 30-39
- 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, // 40-49
- 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, // 50-59
- 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, // 60-69
- 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, // 70-79
- 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, // 80-89
- 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, // 90-99
- 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, // 100-109
- 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, // 110-119
- 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, // 120-129
- 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, // 130-139
- 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, // 140-149
- 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, // 150-159
- 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, // 160-169
- 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, // 170-179
- 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, // 180-189
- 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, // 190-199
- 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, // 200-209
- 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, // 210-219
- 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, // 220-229
- 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, // 230-239
- 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, // 240-249
- 250, 251, 252, 253, 254, 255, // 250-255
-};
-
-size_t CoreExport irc::hash::operator()(const irc::string &s) const
-{
- 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 + national_case_insensitive_map[(unsigned char)*x];
- return t;
-}
-
-bool irc::StrHashComp::operator()(const std::string& s1, const std::string& s2) const
+bool irc::equals(const std::string& s1, const std::string& s2)
{
const unsigned char* n1 = (const unsigned char*)s1.c_str();
const unsigned char* n2 = (const unsigned char*)s2.c_str();
return (national_case_insensitive_map[*n1] == national_case_insensitive_map[*n2]);
}
+size_t irc::find(const std::string& haystack, const std::string& needle)
+{
+ // The haystack can't contain the needle if it is smaller than it.
+ if (needle.length() > haystack.length())
+ return std::string::npos;
+
+ // The inner loop checks the characters between haystack_last and the end of the haystack.
+ size_t haystack_last = haystack.length() - needle.length();
+ for (size_t hpos = 0; hpos <= haystack_last; ++hpos)
+ {
+ // Check for the needle at the current haystack position.
+ bool found = true;
+ for (size_t npos = 0; npos < needle.length(); ++npos)
+ {
+ if (national_case_insensitive_map[(unsigned char)needle[npos]] != national_case_insensitive_map[(unsigned char)haystack[hpos + npos]])
+ {
+ // Uh-oh, characters at the current haystack position don't match.
+ found = false;
+ break;
+ }
+ }
+
+ // The entire needle was found in the haystack!
+ if (found)
+ return hpos;
+ }
+
+ // We didn't find anything.
+ return std::string::npos;
+}
+
+
+bool irc::insensitive_swo::operator()(const std::string& a, const std::string& b) const
+{
+ const unsigned char* charmap = national_case_insensitive_map;
+ std::string::size_type asize = a.size();
+ std::string::size_type bsize = b.size();
+ std::string::size_type maxsize = std::min(asize, bsize);
+
+ for (std::string::size_type i = 0; i < maxsize; i++)
+ {
+ unsigned char A = charmap[(unsigned char)a[i]];
+ unsigned char B = charmap[(unsigned char)b[i]];
+ if (A > B)
+ return false;
+ else if (A < B)
+ return true;
+ }
+ return (asize < bsize);
+}
+
size_t irc::insensitive::operator()(const std::string &s) const
{
/* XXX: NO DATA COPIES! :)
* only with *x replaced with national_case_insensitive_map[*x].
* This avoids a copy to use hash<const char*>
*/
- register size_t t = 0;
+ 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 + national_case_insensitive_map[(unsigned char)*x];
return t;
}
-/******************************************************
- *
- * This is the implementation of our special irc::string
- * class which is a case-insensitive equivalent to
- * std::string which is not only case-insensitive but
- * can also do scandanavian comparisons, e.g. { = [, etc.
- *
- * This class depends on the const array 'national_case_insensitive_map'.
- *
- ******************************************************/
-
-bool irc::irc_char_traits::eq(char c1st, char c2nd)
+irc::tokenstream::tokenstream(const std::string& msg, size_t start, size_t end)
+ : message(msg, start, end)
+ , position(0)
{
- 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)
+bool irc::tokenstream::GetMiddle(std::string& token)
{
- 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 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 we are past the end of the string we can't do anything.
+ if (position >= message.length())
{
- if(national_case_insensitive_map[(unsigned char)*str1] > national_case_insensitive_map[(unsigned char)*str2])
- return 1;
-
- if(national_case_insensitive_map[(unsigned char)*str1] < national_case_insensitive_map[(unsigned char)*str2])
- return -1;
-
- if(*str1 == 0 || *str2 == 0)
- return 0;
-
- str1++;
- str2++;
+ token.clear();
+ return false;
}
- return 0;
-}
-const char* irc::irc_char_traits::find(const char* s1, int n, char c)
-{
- while(n-- > 0 && national_case_insensitive_map[(unsigned char)*s1] != national_case_insensitive_map[(unsigned char)c])
- s1++;
- return (n >= 0) ? s1 : NULL;
-}
+ // If we can't find another separator this is the last token in the message.
+ size_t separator = message.find(' ', position);
+ if (separator == std::string::npos)
+ {
+ token.assign(message, position, std::string::npos);
+ position = message.length();
+ return true;
+ }
-irc::tokenstream::tokenstream(const std::string &source) : tokens(source), last_pushed(false)
-{
- /* Record starting position and current position */
- last_starting_position = tokens.begin();
- n = tokens.begin();
+ token.assign(message, position, separator - position);
+ position = message.find_first_not_of(' ', separator);
+ return true;
}
-bool irc::tokenstream::GetToken(std::string &token)
+bool irc::tokenstream::GetTrailing(std::string& token)
{
- std::string::iterator lsp = last_starting_position;
-
- while (n != tokens.end())
+ // If we are past the end of the string we can't do anything.
+ if (position >= message.length())
{
- /** Skip multi space, converting " " into " "
- */
- while ((n+1 != tokens.end()) && (*n == ' ') && (*(n+1) == ' '))
- n++;
-
- if ((last_pushed) && (*n == ':'))
- {
- /* If we find a token thats not the first and starts with :,
- * this is the last token on the line
- */
- std::string::iterator curr = ++n;
- n = tokens.end();
- token = std::string(curr, tokens.end());
- return true;
- }
-
- last_pushed = false;
-
- if ((*n == ' ') || (n+1 == tokens.end()))
- {
- /* If we find a space, or end of string, this is the end of a token.
- */
- last_starting_position = n+1;
- last_pushed = *n == ' ';
-
- std::string strip(lsp, n+1 == tokens.end() ? n+1 : n++);
- while ((strip.length()) && (strip.find_last_of(' ') == strip.length() - 1))
- strip.erase(strip.end() - 1);
-
- token = strip;
- return !token.empty();
- }
-
- n++;
+ token.clear();
+ return false;
}
- token.clear();
- return false;
-}
-bool irc::tokenstream::GetToken(irc::string &token)
-{
- std::string stdstring;
- bool returnval = GetToken(stdstring);
- token = assign(stdstring);
- return returnval;
-}
-
-bool irc::tokenstream::GetToken(int &token)
-{
- std::string tok;
- bool returnval = GetToken(tok);
- token = ConvToInt(tok);
- return returnval;
-}
+ // If this is true then we have a <trailing> token!
+ if (message[position] == ':')
+ {
+ token.assign(message, position + 1, std::string::npos);
+ position = message.length();
+ return true;
+ }
-bool irc::tokenstream::GetToken(long &token)
-{
- std::string tok;
- bool returnval = GetToken(tok);
- token = ConvToInt(tok);
- return returnval;
+ // There is no <trailing> token so it must be a <middle> token.
+ return GetMiddle(token);
}
-irc::sepstream::sepstream(const std::string &source, char seperator) : tokens(source), sep(seperator)
+irc::sepstream::sepstream(const std::string& source, char separator, bool allowempty)
+ : tokens(source), sep(separator), pos(0), allow_empty(allowempty)
{
- last_starting_position = tokens.begin();
- n = tokens.begin();
}
bool irc::sepstream::GetToken(std::string &token)
{
- std::string::iterator lsp = last_starting_position;
+ if (this->StreamEnd())
+ {
+ token.clear();
+ return false;
+ }
- while (n != tokens.end())
+ if (!this->allow_empty)
{
- if ((*n == sep) || (n+1 == tokens.end()))
+ this->pos = this->tokens.find_first_not_of(this->sep, this->pos);
+ if (this->pos == std::string::npos)
{
- last_starting_position = n+1;
- token = std::string(lsp, n+1 == tokens.end() ? n+1 : n++);
-
- while ((token.length()) && (token.find_last_of(sep) == token.length() - 1))
- token.erase(token.end() - 1);
-
- if (token.empty())
- n++;
-
- return n == tokens.end() ? false : true;
+ this->pos = this->tokens.length() + 1;
+ token.clear();
+ return false;
}
-
- n++;
}
- token.clear();
- return false;
-}
-
-const std::string irc::sepstream::GetRemaining()
-{
- return std::string(n, tokens.end());
-}
-
-bool irc::sepstream::StreamEnd()
-{
- return ((n + 1) == tokens.end());
-}
+ size_t p = this->tokens.find(this->sep, this->pos);
+ if (p == std::string::npos)
+ p = this->tokens.length();
-irc::modestacker::modestacker(bool add) : adding(add)
-{
- sequence.clear();
- sequence.push_back("");
-}
-
-void irc::modestacker::Push(char modeletter, const std::string ¶meter)
-{
- *(sequence.begin()) += modeletter;
- sequence.push_back(parameter);
-}
+ token.assign(tokens, this->pos, p - this->pos);
+ this->pos = p + 1;
-void irc::modestacker::Push(char modeletter)
-{
- this->Push(modeletter,"");
-}
-
-void irc::modestacker::PushPlus()
-{
- this->Push('+',"");
+ return true;
}
-void irc::modestacker::PushMinus()
+const std::string irc::sepstream::GetRemaining()
{
- this->Push('-',"");
+ return !this->StreamEnd() ? this->tokens.substr(this->pos) : "";
}
-int irc::modestacker::GetStackedLine(std::vector<std::string> &result, int max_line_size)
+bool irc::sepstream::StreamEnd()
{
- if (sequence.empty())
- {
- return 0;
- }
-
- unsigned int n = 0;
- int size = 1; /* Account for initial +/- char */
- int nextsize = 0;
- int start = result.size();
- std::string modeline = adding ? "+" : "-";
- result.push_back(modeline);
-
- if (sequence.size() > 1)
- nextsize = sequence[1].length() + 2;
-
- while (!sequence[0].empty() && (sequence.size() > 1) && (n < ServerInstance->Config->Limits.MaxModes) && ((size + nextsize) < max_line_size))
- {
- modeline += *(sequence[0].begin());
- if (!sequence[1].empty())
- {
- result.push_back(sequence[1]);
- size += nextsize; /* Account for mode character and whitespace */
- }
- sequence[0].erase(sequence[0].begin());
- sequence.erase(sequence.begin() + 1);
-
- if (sequence.size() > 1)
- nextsize = sequence[1].length() + 2;
-
- n++;
- }
- result[start] = modeline;
-
- return n;
+ return this->pos > this->tokens.length();
}
-irc::stringjoiner::stringjoiner(const std::string& seperator, const std::vector<std::string>& sequence, unsigned int begin, unsigned int end)
+bool irc::sepstream::Contains(const std::string& value)
{
- if (end < begin)
- return; // nothing to do here
+ std::string token;
+ while (GetToken(token))
+ if (value == token)
+ return true;
- for (unsigned int v = begin; v < end; v++)
- joined.append(sequence[v]).append(seperator);
- joined.append(sequence[end]);
+ return false;
}
irc::portparser::portparser(const std::string &source, bool allow_overlapped)
if (x.empty())
return 0;
- while (Overlaps(atoi(x.c_str())))
+ while (Overlaps(ConvToNum<long>(x)))
{
if (!sep.GetToken(x))
return 0;
std::string::size_type dash = x.rfind('-');
if (dash != std::string::npos)
{
- std::string sbegin = x.substr(0, dash);
- std::string send = x.substr(dash+1, x.length());
- range_begin = atoi(sbegin.c_str());
- range_end = atoi(send.c_str());
+ std::string sbegin(x, 0, dash);
+ range_begin = ConvToNum<long>(sbegin);
+ range_end = ConvToNum<long>(x.c_str() + dash + 1);
if ((range_begin > 0) && (range_end > 0) && (range_begin < 65536) && (range_end < 65536) && (range_begin < range_end))
{
else
{
/* Assume its just the one port */
- return atoi(sbegin.c_str());
+ return ConvToNum<long>(sbegin);
}
}
else
{
- return atoi(x.c_str());
+ return ConvToNum<long>(x);
}
}
projects / user / henk / code / inspircd.git / blobdiff