/*
* InspIRCd -- Internet Relay Chat Daemon
*
- * Copyright (C) 2011 Adam <Adam@anope.org>
+ * 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, 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) 2007, 2009 Dennis Friis <peavey@inspircd.org>
- * Copyright (C) 2005-2009 Craig Edwards <craigedwards@brainbox.cc>
- * Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008-2009 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2005-2010 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
*/
-#ifndef HASHCOMP_H
-#define HASHCOMP_H
+#pragma once
-#include <cstring>
-#include <string>
-#include <vector>
-#include <deque>
-#include <map>
-#include <set>
-#include "hash_map.h"
+#include "inspircd.h"
+#include "convto.h"
/*******************************************************
* This file contains classes and templates that deal
* treat [ identical to {, ] identical to }, and \
* as identical to |.
*
- * Our hashing functions are designed to accept
- * std::string and compare/hash them as type irc::string
- * by converting them internally. This makes them
- * backwards compatible with other code which is not
- * aware of irc::string.
+ * There are functors that accept std::string and
+ * compare/hash them as type irc::string by using
+ * mapping arrays internally.
*******************************************************/
-/** Seperate from the other casemap tables so that code *can* still exclusively rely on RFC casemapping
+/** Separate from the other casemap tables so that code *can* still exclusively rely on RFC casemapping
* if it must.
*
* This is provided as a pointer so that modules can change it to their custom mapping tables,
*/
CoreExport extern unsigned const char ascii_case_insensitive_map[256];
-/** Case sensitive (identity) map.
- */
-CoreExport extern unsigned const char rfc_case_sensitive_map[256];
-
-template<typename T> const T& SearchAndReplace(T& text, const T& pattern, const T& replace)
-{
- T replacement;
- if ((!pattern.empty()) && (!text.empty()))
- {
- for (std::string::size_type n = 0; n != text.length(); ++n)
- {
- if (text.length() >= pattern.length() && text.substr(n, pattern.length()) == pattern)
- {
- /* Found the pattern in the text, replace it, and advance */
- replacement.append(replace);
- n = n + pattern.length() - 1;
- }
- else
- {
- replacement += text[n];
- }
- }
- }
- text = replacement;
- return text;
-}
-
/** The irc namespace contains a number of helper classes.
*/
namespace irc
{
+ /** Check if two IRC object (e.g. nick or channel) names are equal.
+ * This function uses national_case_insensitive_map to determine equality, which, by default does comparison
+ * according to RFC 1459, treating certain otherwise non-identical characters as identical.
+ * @param s1 First string to compare
+ * @param s2 Second string to compare
+ * @return True if the two names are equal, false otherwise
+ */
+ CoreExport bool equals(const std::string& s1, const std::string& s2);
+
+ /** Check whether \p needle exists within \p haystack.
+ * @param haystack The string to search within.
+ * @param needle The string to search for.
+ * @return Either the index at which \p needle was found or std::string::npos.
+ */
+ CoreExport size_t find(const std::string& haystack, const std::string& needle);
/** This class returns true if two strings match.
* Case sensitivity is ignored, and the RFC 'character set'
* is adhered to
*/
- struct CoreExport StrHashComp
+ struct StrHashComp
{
/** The operator () does the actual comparison in hash_map
*/
- bool operator()(const std::string& s1, const std::string& s2) const;
- };
-
- /** The irc_char_traits class is used for RFC-style comparison of strings.
- * This class is used to implement irc::string, a case-insensitive, RFC-
- * comparing string class.
- */
- struct irc_char_traits : std::char_traits<char> {
-
- /** Check if two chars match.
- * @param c1st First character
- * @param c2nd Second character
- * @return true if the characters are equal
- */
- static bool eq(char c1st, char c2nd);
-
- /** Check if two chars do NOT match.
- * @param c1st First character
- * @param c2nd Second character
- * @return true if the characters are unequal
- */
- static bool ne(char c1st, char c2nd);
-
- /** Check if one char is less than another.
- * @param c1st First character
- * @param c2nd Second character
- * @return true if c1st is less than c2nd
- */
- static bool lt(char c1st, char c2nd);
-
- /** Compare two strings of size n.
- * @param str1 First string
- * @param str2 Second string
- * @param n Length to compare to
- * @return similar to strcmp, zero for equal, less than zero for str1
- * being less and greater than zero for str1 being greater than str2.
- */
- static CoreExport int compare(const char* str1, const char* str2, size_t n);
-
- /** Find a char within a string up to position n.
- * @param s1 String to find in
- * @param n Position to search up to
- * @param c Character to search for
- * @return Pointer to the first occurance of c in s1
- */
- static CoreExport const char* find(const char* s1, int n, char c);
- };
-
- /** Compose a hex string from raw data.
- * @param raw The raw data to compose hex from
- * @param rawsz The size of the raw data buffer
- * @return The hex string.
- */
- CoreExport std::string hex(const unsigned char *raw, size_t rawsz);
-
- /** This typedef declares irc::string based upon irc_char_traits.
- */
- typedef std::basic_string<char, irc_char_traits, std::allocator<char> > string;
-
- /** irc::stringjoiner joins string lists into a string, using
- * the given seperator string.
- * This class can join a vector of std::string, a deque of
- * std::string, or a const char* const* array, using overloaded
- * constructors.
- */
- class CoreExport stringjoiner
- {
- private:
-
- /** Output string
- */
- std::string joined;
-
- public:
-
- /** Join elements of a vector, between (and including) begin and end
- * @param seperator The string to seperate values with
- * @param sequence One or more items to seperate
- * @param begin The starting element in the sequence to be joined
- * @param end The ending element in the sequence to be joined
- */
- stringjoiner(const std::string &seperator, const std::vector<std::string> &sequence, int begin, int end);
-
- /** Join elements of a deque, between (and including) begin and end
- * @param seperator The string to seperate values with
- * @param sequence One or more items to seperate
- * @param begin The starting element in the sequence to be joined
- * @param end The ending element in the sequence to be joined
- */
- stringjoiner(const std::string &seperator, const std::deque<std::string> &sequence, int begin, int end);
-
- /** Join elements of an array of char arrays, between (and including) begin and end
- * @param seperator The string to seperate values with
- * @param sequence One or more items to seperate
- * @param begin The starting element in the sequence to be joined
- * @param end The ending element in the sequence to be joined
- */
- stringjoiner(const std::string &seperator, const char* const* sequence, int begin, int end);
-
- /** Get the joined sequence
- * @return A reference to the joined string
- */
- std::string& GetJoined();
+ bool operator()(const std::string& s1, const std::string& s2) const
+ {
+ return equals(s1, s2);
+ }
};
- /** irc::modestacker stacks mode sequences into a list.
- * It can then reproduce this list, clamped to a maximum of MAXMODES
- * values per line.
- */
- class CoreExport modestacker
+ struct insensitive
{
- private:
- /** The mode sequence and its parameters
- */
- std::deque<std::string> sequence;
-
- /** True if the mode sequence is initially adding
- * characters, false if it is initially removing
- * them
- */
- bool adding;
- public:
-
- /** Construct a new modestacker.
- * @param add True if the stack is adding modes,
- * false if it is removing them
- */
- modestacker(bool add);
-
- /** Push a modeletter and its parameter onto the stack.
- * No checking is performed as to if this mode actually
- * requires a parameter. If you stack invalid mode
- * sequences, they will be tidied if and when they are
- * passed to a mode parser.
- * @param modeletter The mode letter to insert
- * @param parameter The parameter for the mode
- */
- void Push(char modeletter, const std::string ¶meter);
-
- /** Push a modeletter without parameter onto the stack.
- * No checking is performed as to if this mode actually
- * requires a parameter. If you stack invalid mode
- * sequences, they will be tidied if and when they are
- * passed to a mode parser.
- * @param modeletter The mode letter to insert
- */
- void Push(char modeletter);
-
- /** Push a '+' symbol onto the stack.
- */
- void PushPlus();
-
- /** Push a '-' symbol onto the stack.
- */
- void PushMinus();
-
- /** Return zero or more elements which form the
- * mode line. This will be clamped to a max of
- * MAXMODES items (MAXMODES-1 mode parameters and
- * one mode sequence string), and max_line_size
- * characters. As specified below, this function
- * should be called in a loop until it returns zero,
- * indicating there are no more modes to return.
- * @param result The vector to populate. This will not
- * be cleared before it is used.
- * @param max_line_size The maximum size of the line
- * to build, in characters, seperate to MAXMODES.
- * @return The number of elements in the deque.
- * The function should be called repeatedly until it
- * returns 0, in case there are multiple lines of
- * mode changes to be obtained.
- */
- int GetStackedLine(std::vector<std::string> &result, int max_line_size = 360);
-
- /** deprecated compatability interface - TODO remove */
- int GetStackedLine(std::deque<std::string> &result, int max_line_size = 360) {
- std::vector<std::string> r;
- int n = GetStackedLine(r, max_line_size);
- result.clear();
- result.insert(result.end(), r.begin(), r.end());
- return n;
- }
+ size_t CoreExport operator()(const std::string &s) const;
};
- /** irc::tokenstream reads a string formatted as per RFC1459 and RFC2812.
- * It will split the string into 'tokens' each containing one parameter
- * from the string.
- * For instance, if it is instantiated with the string:
- * "PRIVMSG #test :foo bar baz qux"
- * then each successive call to tokenstream::GetToken() will return
- * "PRIVMSG", "#test", "foo bar baz qux", "".
- * Note that if the whole string starts with a colon this is not taken
- * to mean the string is all one parameter, and the first item in the
- * list will be ":item". This is to allow for parsing 'source' fields
- * from data.
- */
- class CoreExport tokenstream
+ struct insensitive_swo
{
- private:
-
- /** Original string
- */
- std::string tokens;
-
- /** Last position of a seperator token
- */
- std::string::iterator last_starting_position;
-
- /** Current string position
- */
- std::string::iterator n;
-
- /** True if the last value was an ending value
- */
- bool last_pushed;
- public:
-
- /** Create a tokenstream and fill it with the provided data
- */
- tokenstream(const std::string &source);
-
- /** Destructor
- */
- ~tokenstream();
-
- /** Fetch the next token from the stream as a std::string
- * @param token The next token available, or an empty string if none remain
- * @return True if tokens are left to be read, false if the last token was just retrieved.
- */
- bool GetToken(std::string &token);
-
- /** Fetch the next token from the stream as an irc::string
- * @param token The next token available, or an empty string if none remain
- * @return True if tokens are left to be read, false if the last token was just retrieved.
- */
- bool GetToken(irc::string &token);
-
- /** Fetch the next token from the stream as an integer
- * @param token The next token available, or undefined if none remain
- * @return True if tokens are left to be read, false if the last token was just retrieved.
- */
- bool GetToken(int &token);
-
- /** Fetch the next token from the stream as a long integer
- * @param token The next token available, or undefined if none remain
- * @return True if tokens are left to be read, false if the last token was just retrieved.
- */
- bool GetToken(long &token);
+ bool CoreExport operator()(const std::string& a, const std::string& b) const;
};
- /** irc::sepstream allows for splitting token seperated lists.
+ /** irc::sepstream allows for splitting token separated lists.
* Each successive call to sepstream::GetToken() returns
* the next token, until none remain, at which point the method returns
- * an empty string.
+ * false.
*/
class CoreExport sepstream
{
- private:
+ protected:
/** Original string.
*/
std::string tokens;
- /** Last position of a seperator token
+ /** Separator value
*/
- std::string::iterator last_starting_position;
+ char sep;
/** Current string position
*/
- std::string::iterator n;
- /** Seperator value
+ size_t pos;
+ /** If set then GetToken() can return an empty string
*/
- char sep;
+ bool allow_empty;
public:
/** Create a sepstream and fill it with the provided data
*/
- sepstream(const std::string &source, char seperator);
+ sepstream(const std::string &source, char separator, bool allowempty = false);
- /** Destructor
+ /** Fetch the next token from the stream
+ * @param token The next token from the stream is placed here
+ * @return True if tokens still remain, false if there are none left
*/
- virtual ~sepstream();
+ bool GetToken(std::string& token);
- /** Fetch the next token from the stream
+ /** Fetch the next numeric token from the stream
* @param token The next token from the stream is placed here
* @return True if tokens still remain, false if there are none left
*/
- virtual bool GetToken(std::string &token);
+ template<typename Numeric>
+ bool GetNumericToken(Numeric& token)
+ {
+ std::string str;
+ if (!GetToken(str))
+ return false;
+
+ token = ConvToNum<Numeric>(str);
+ return true;
+ }
/** Fetch the entire remaining stream, without tokenizing
* @return The remaining part of the stream
*/
- virtual const std::string GetRemaining();
+ const std::string GetRemaining();
/** Returns true if the end of the stream has been reached
* @return True if the end of the stream has been reached, otherwise false
*/
- virtual bool StreamEnd();
+ bool StreamEnd();
+
+ /** Returns true if the specified value exists in the stream
+ * @param value The value to search for
+ * @return True if the value was found, False otherwise
+ */
+ bool Contains(const std::string& value);
};
- /** A derived form of sepstream, which seperates on commas
+ /** A derived form of sepstream, which separates on commas
*/
class CoreExport commasepstream : public sepstream
{
public:
- /** Initialize with comma seperator
+ /** Initialize with comma separator
*/
- commasepstream(const std::string &source) : sepstream(source, ',')
+ commasepstream(const std::string &source, bool allowempty = false) : sepstream(source, ',', allowempty)
{
}
};
- /** A derived form of sepstream, which seperates on spaces
+ /** A derived form of sepstream, which separates on spaces
*/
class CoreExport spacesepstream : public sepstream
{
public:
- /** Initialize with space seperator
+ /** Initialize with space separator
*/
- spacesepstream(const std::string &source) : sepstream(source, ' ')
+ spacesepstream(const std::string &source, bool allowempty = false) : sepstream(source, ' ', allowempty)
{
}
};
- /** The portparser class seperates out a port range into integers.
+ /** irc::tokenstream reads a string formatted as per RFC1459 and RFC2812.
+ * It will split the string into 'tokens' each containing one parameter
+ * from the string.
+ * For instance, if it is instantiated with the string:
+ * "PRIVMSG #test :foo bar baz qux"
+ * then each successive call to tokenstream::GetToken() will return
+ * "PRIVMSG", "#test", "foo bar baz qux", "".
+ * Note that if the whole string starts with a colon this is not taken
+ * to mean the string is all one parameter, and the first item in the
+ * list will be ":item". This is to allow for parsing 'source' fields
+ * from data.
+ */
+ class CoreExport tokenstream
+ {
+ private:
+ /** The message we are parsing tokens from. */
+ std::string message;
+
+ /** The current position within the message. */
+ size_t position;
+
+ public:
+ /** Create a tokenstream and fill it with the provided data. */
+ tokenstream(const std::string& msg, size_t start = 0, size_t end = std::string::npos);
+
+ /** Retrieves the underlying message. */
+ std::string& GetMessage() { return message; }
+
+ /** Retrieve the next \<middle> token in the token stream.
+ * @param token The next token available, or an empty string if none remain.
+ * @return True if tokens are left to be read, false if the last token was just retrieved.
+ */
+ bool GetMiddle(std::string& token);
+
+ /** Retrieve the next \<trailing> token in the token stream.
+ * @param token The next token available, or an empty string if none remain.
+ * @return True if tokens are left to be read, false if the last token was just retrieved.
+ */
+ bool GetTrailing(std::string& token);
+ };
+
+ /** The portparser class separates out a port range into integers.
* A port range may be specified in the input string in the form
* "6660,6661,6662-6669,7020". The end of the stream is indicated by
* a return value of 0 from portparser::GetToken(). If you attempt
*/
long GetToken();
};
-
- /** Turn _ characters in a string into spaces
- * @param n String to translate
- * @return The new value with _ translated to space.
- */
- CoreExport const char* Spacify(const char* n);
-
- struct hash
- {
- /** Hash an irc::string using RFC1459 case sensitivity rules
- * @param s A string to hash
- * @return The hash value
- */
- size_t CoreExport operator()(const irc::string &s) const;
- };
}
-
-/* Define operators for using >> and << with irc::string to an ostream on an istream. */
-/* This was endless fun. No. Really. */
-/* It was also the first core change Ommeh made, if anyone cares */
-
-/** Operator << for irc::string
- */
-inline std::ostream& operator<<(std::ostream &os, const irc::string &str) { return os << str.c_str(); }
-
-/** Operator >> for irc::string
- */
-inline std::istream& operator>>(std::istream &is, irc::string &str)
-{
- std::string tmp;
- is >> tmp;
- str = tmp.c_str();
- return is;
-}
-
-/* Define operators for + and == with irc::string to std::string for easy assignment
- * and comparison
- *
- * Operator +
- */
-inline std::string operator+ (std::string& leftval, irc::string& rightval)
-{
- return leftval + std::string(rightval.c_str());
-}
-
-/* Define operators for + and == with irc::string to std::string for easy assignment
- * and comparison
- *
- * Operator +
- */
-inline irc::string operator+ (irc::string& leftval, std::string& rightval)
-{
- return leftval + irc::string(rightval.c_str());
-}
-
-/* Define operators for + and == with irc::string to std::string for easy assignment
- * and comparison
- *
- * Operator ==
- */
-inline bool operator== (const std::string& leftval, const irc::string& rightval)
-{
- return (leftval.c_str() == rightval);
-}
-
-/* Define operators for + and == with irc::string to std::string for easy assignment
- * and comparison
- *
- * Operator ==
- */
-inline bool operator== (const irc::string& leftval, const std::string& rightval)
-{
- return (leftval == rightval.c_str());
-}
-
-/* Define operators != for irc::string to std::string for easy comparison
- */
-inline bool operator!= (const irc::string& leftval, const std::string& rightval)
-{
- return !(leftval == rightval.c_str());
-}
-
-/* Define operators != for std::string to irc::string for easy comparison
- */
-inline bool operator!= (const std::string& leftval, const irc::string& rightval)
-{
- return !(leftval.c_str() == rightval);
-}
-
-/** Assign an irc::string to a std::string.
- */
-inline std::string assign(const irc::string &other) { return other.c_str(); }
-
-/** Assign a std::string to an irc::string.
- */
-inline irc::string assign(const std::string &other) { return other.c_str(); }
-
-/** Trim the leading and trailing spaces from a std::string.
- */
-inline std::string& trim(std::string &str)
-{
- std::string::size_type start = str.find_first_not_of(" ");
- std::string::size_type end = str.find_last_not_of(" ");
- if (start == std::string::npos || end == std::string::npos)
- str = "";
- else
- str = str.substr(start, end-start+1);
-
- return str;
-}
-
-/** Hashing stuff is totally different on vc++'s hash_map implementation, so to save a buttload of
- * \#ifdefs we'll just do it all at once. Except, of course, with TR1, when it's the same as GCC.
- */
-BEGIN_HASHMAP_NAMESPACE
-
- /** Hashing function to hash irc::string
- */
-#if defined(_WIN32) && !defined(HAS_TR1_UNORDERED)
- template<> class CoreExport hash_compare<irc::string, std::less<irc::string> >
- {
- public:
- enum { bucket_size = 4, min_buckets = 8 }; /* Got these numbers from the CRT source, if anyone wants to change them feel free. */
-
- /** Compare two irc::string values for hashing in hash_map
- */
- bool operator()(const irc::string & s1, const irc::string & s2) const
- {
- if(s1.length() != s2.length()) return true;
- return (irc::irc_char_traits::compare(s1.c_str(), s2.c_str(), (size_t)s1.length()) < 0);
- }
-
- /** Hash an irc::string value for hash_map
- */
- size_t operator()(const irc::string & s) const;
- };
-
- template<> class CoreExport hash_compare<std::string, std::less<std::string> >
- {
- public:
- enum { bucket_size = 4, min_buckets = 8 }; /* Again, from the CRT source */
-
- /** Compare two std::string values for hashing in hash_map
- */
- bool operator()(const std::string & s1, const std::string & s2) const
- {
- if(s1.length() != s2.length()) return true;
- return (irc::irc_char_traits::compare(s1.c_str(), s2.c_str(), (size_t)s1.length()) < 0);
- }
-
- /** Hash a std::string using RFC1459 case sensitivity rules
- * @param s A string to hash
- * @return The hash value
- */
- size_t operator()(const std::string & s) const;
- };
-#else
-
- /* XXX FIXME: Implement a hash function overriding std::string's that works with TR1! */
-
-#ifdef HASHMAP_DEPRECATED
- struct insensitive
-#else
- CoreExport template<> struct hash<std::string>
-#endif
- {
- size_t CoreExport operator()(const std::string &s) const;
- };
-
-#endif
-
- /** Convert a string to lower case respecting RFC1459
- * @param n A string to lowercase
- */
- void strlower(char *n);
-
-END_HASHMAP_NAMESPACE
-
-#endif
projects / user / henk / code / inspircd.git / blobdiff