// -*- mode: cpp; mode: fold -*- // Description /*{{{*/ // $Id: strutl.h,v 1.22 2003/02/02 22:20:27 jgg Exp $ /* ###################################################################### String Util - These are some useful string functions _strstrip is a function to remove whitespace from the front and end of a string. This source is placed in the Public Domain, do with it what you will It was originally written by Jason Gunthorpe <jgg@gpu.srv.ualberta.ca> ##################################################################### */ /*}}}*/ #ifndef STRUTL_H #define STRUTL_H #include <stdlib.h> #include <string> #include <cstring> #include <vector> #include <iostream> #include <time.h> using std::string; using std::vector; using std::ostream; #ifdef __GNUG__ // Methods have a hidden this parameter that is visible to this attribute #define APT_FORMAT2 __attribute__ ((format (printf, 2, 3))) #define APT_FORMAT3 __attribute__ ((format (printf, 3, 4))) #else #define APT_FORMAT2 #define APT_FORMAT3 #endif bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest); char *_strstrip(char *String); char *_strtabexpand(char *String,size_t Len); bool ParseQuoteWord(const char *&String,string &Res); bool ParseCWord(const char *&String,string &Res); string QuoteString(const string &Str,const char *Bad); string DeQuoteString(const string &Str); string SizeToStr(double Bytes); string TimeToStr(unsigned long Sec); string Base64Encode(const string &Str); string URItoFileName(const string &URI); string TimeRFC1123(time_t Date); bool StrToTime(const string &Val,time_t &Result); string LookupTag(const string &Message,const char *Tag,const char *Default = 0); int StringToBool(const string &Text,int Default = -1); bool ReadMessages(int Fd, vector<string> &List); bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0); bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length); bool TokSplitString(char Tok,char *Input,char **List, unsigned long ListMax); void ioprintf(ostream &out,const char *format,...) APT_FORMAT2; void strprintf(string &out,const char *format,...) APT_FORMAT2; char *safe_snprintf(char *Buffer,char *End,const char *Format,...) APT_FORMAT3; bool CheckDomainList(const string &Host, const string &List); int tolower_ascii(int c); #define APT_MKSTRCMP(name,func) \ inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ inline int name(string A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \ inline int name(string A,string B) {return func(A.c_str(),A.c_str()+A.length(),B.c_str(),B.c_str()+B.length());}; \ inline int name(string A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);}; #define APT_MKSTRCMP2(name,func) \ inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ inline int name(string A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \ inline int name(string A,string B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \ inline int name(string A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);}; int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd); int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd); /* We assume that GCC 3 indicates that libstdc++3 is in use too. In that case the definition of string::const_iterator is not the same as const char * and we need these extra functions */ #if __GNUC__ >= 3 int stringcmp(string::const_iterator A,string::const_iterator AEnd, const char *B,const char *BEnd); int stringcmp(string::const_iterator A,string::const_iterator AEnd, string::const_iterator B,string::const_iterator BEnd); int stringcasecmp(string::const_iterator A,string::const_iterator AEnd, const char *B,const char *BEnd); int stringcasecmp(string::const_iterator A,string::const_iterator AEnd, string::const_iterator B,string::const_iterator BEnd); inline int stringcmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));}; inline int stringcasecmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));}; #endif APT_MKSTRCMP2(stringcmp,stringcmp); APT_MKSTRCMP2(stringcasecmp,stringcasecmp); inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);}; class URI { void CopyFrom(const string &From); public: string Access; string User; string Password; string Host; string Path; unsigned int Port; operator string(); inline void operator =(const string &From) {CopyFrom(From);}; inline bool empty() {return Access.empty();}; static string SiteOnly(const string &URI); URI(string Path) {CopyFrom(Path);}; URI() : Port(0) {}; }; struct SubstVar { const char *Subst; const string *Contents; }; string SubstVar(string Str,const struct SubstVar *Vars); string SubstVar(const string &Str,const string &Subst,const string &Contents); struct RxChoiceList { void *UserData; const char *Str; bool Hit; }; unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin, const char **ListEnd); #undef APT_FORMAT2 #endif