X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=include%2Fhashcomp.h;h=de556f39316cf93216577eed69109bf50a3a9f92;hb=e244cb2c63b1ac1d85bdbb4691f7b1bd940ae804;hp=d9516e7fa4707936997e6468f3c52466404c9d0b;hpb=553a8da754c8cd308bad2008018849714e70f9b7;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/include/hashcomp.h b/include/hashcomp.h index d9516e7fa..de556f393 100644 --- a/include/hashcomp.h +++ b/include/hashcomp.h @@ -22,8 +22,7 @@ */ -#ifndef HASHCOMP_H -#define HASHCOMP_H +#pragma once #include #include @@ -31,7 +30,7 @@ #include #include #include -#include "hash_map.h" +#include "inspircd.h" /******************************************************* * This file contains classes and templates that deal @@ -110,12 +109,22 @@ namespace irc bool operator()(const std::string& s1, const std::string& s2) const; }; + struct insensitive + { + size_t CoreExport operator()(const std::string &s) const; + }; + + struct insensitive_swo + { + bool CoreExport operator()(const std::string& a, const std::string& b) 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 { - + struct CoreExport irc_char_traits : public std::char_traits + { /** Check if two chars match. * @param c1st First character * @param c2nd Second character @@ -144,7 +153,7 @@ namespace irc * @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); + static 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 @@ -152,25 +161,16 @@ namespace irc * @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); + static 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 - * @pram 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 > 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. + * space as the separator. + * This class can join a vector of std::string. */ class CoreExport stringjoiner { @@ -182,34 +182,16 @@ namespace irc 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 &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 &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 + /** Join all elements of a vector, in the resulting string + * each element will be seperated by a single space character. + * @param sequence Zero or more items to seperate */ - stringjoiner(const std::string &seperator, const char* const* sequence, int begin, int end); + stringjoiner(const std::vector& sequence); /** Get the joined sequence - * @return A reference to the joined string + * @return A constant reference to the joined string */ - std::string& GetJoined(); + const std::string& GetJoined() const { return joined; } }; /** irc::modestacker stacks mode sequences into a list. @@ -281,80 +263,6 @@ namespace irc */ int GetStackedLine(std::vector &result, int max_line_size = 360); - /** deprecated compatability interface - TODO remove */ - int GetStackedLine(std::deque &result, int max_line_size = 360) { - std::vector r; - int n = GetStackedLine(r, max_line_size); - result.clear(); - result.insert(result.end(), r.begin(), r.end()); - return n; - } - }; - - /** 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: - - /** 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); }; /** irc::sepstream allows for splitting token seperated lists. @@ -364,43 +272,39 @@ namespace irc */ 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); - - /** Destructor - */ - virtual ~sepstream(); + sepstream(const std::string &source, char separator, bool allowempty = false); /** 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 bool GetToken(std::string &token); + bool GetToken(std::string& token); /** 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(); }; /** A derived form of sepstream, which seperates on commas @@ -408,9 +312,9 @@ namespace irc 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) { } }; @@ -420,13 +324,57 @@ namespace irc 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) { } }; + /** 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 spacesepstream + { + public: + /** Create a tokenstream and fill it with the provided data + */ + tokenstream(const std::string &source); + + /** 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); + }; + /** The portparser class seperates 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 @@ -441,7 +389,7 @@ namespace irc /** Used to split on commas */ - commasepstream* sep; + commasepstream sep; /** Current position in a range of ports */ @@ -462,7 +410,7 @@ namespace irc /** Used to determine overlapping of ports * without O(n) algorithm being used */ - std::map overlap_set; + std::set overlap_set; /** Returns true if val overlaps an existing range */ @@ -475,22 +423,12 @@ namespace irc */ portparser(const std::string &source, bool allow_overlapped = true); - /** Frees the internal commasepstream object - */ - ~portparser(); - /** Fetch the next token from the stream * @return The next port number is returned, or 0 if none remain */ 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 @@ -594,72 +532,3 @@ inline std::string& trim(std::string &str) 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(WINDOWS) && !defined(HAS_TR1_UNORDERED) - template<> class CoreExport hash_compare > - { - 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 > - { - 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 -#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