apt @VERSION@

strutl.h

00001 // -*- mode: cpp; mode: fold -*-
00002 // Description                                                          /*{{{*/
00003 // $Id: strutl.h,v 1.22 2003/02/02 22:20:27 jgg Exp $
00004 /* ######################################################################
00005 
00006    String Util - These are some useful string functions
00007    
00008    _strstrip is a function to remove whitespace from the front and end
00009    of a string.
00010    
00011    This source is placed in the Public Domain, do with it what you will
00012    It was originally written by Jason Gunthorpe <jgg@gpu.srv.ualberta.ca>   
00013    
00014    ##################################################################### */
00015                                                                         /*}}}*/
00016 #ifndef STRUTL_H
00017 #define STRUTL_H
00018 
00019 
00020 
00021 #include <stdlib.h>
00022 #include <string>
00023 #include <cstring>
00024 #include <vector>
00025 #include <iostream>
00026 #include <time.h>
00027 
00028 #include "macros.h"
00029 
00030 using std::string;
00031 using std::vector;
00032 using std::ostream;
00033 
00034 bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest);
00035 char *_strstrip(char *String);
00036 char *_strtabexpand(char *String,size_t Len);
00037 bool ParseQuoteWord(const char *&String,string &Res);
00038 bool ParseCWord(const char *&String,string &Res);
00039 string QuoteString(const string &Str,const char *Bad);
00040 string DeQuoteString(const string &Str);
00041 string DeQuoteString(string::const_iterator const &begin, string::const_iterator const &end);
00042 string SizeToStr(double Bytes);
00043 string TimeToStr(unsigned long Sec);
00044 string Base64Encode(const string &Str);
00045 string OutputInDepth(const unsigned long Depth, const char* Separator="  ");
00046 string URItoFileName(const string &URI);
00047 string TimeRFC1123(time_t Date);
00048 bool RFC1123StrToTime(const char* const str,time_t &time) __must_check;
00049 bool FTPMDTMStrToTime(const char* const str,time_t &time) __must_check;
00050 __deprecated bool StrToTime(const string &Val,time_t &Result);
00051 string LookupTag(const string &Message,const char *Tag,const char *Default = 0);
00052 int StringToBool(const string &Text,int Default = -1);
00053 bool ReadMessages(int Fd, vector<string> &List);
00054 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);
00055 bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len);
00056 bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length);
00057 bool TokSplitString(char Tok,char *Input,char **List,
00058                     unsigned long ListMax);
00059 vector<string> VectorizeString(string const &haystack, char const &split) __attrib_const;
00060 void ioprintf(ostream &out,const char *format,...) __like_printf(2);
00061 void strprintf(string &out,const char *format,...) __like_printf(2);
00062 char *safe_snprintf(char *Buffer,char *End,const char *Format,...) __like_printf(3);
00063 bool CheckDomainList(const string &Host, const string &List);
00064 int tolower_ascii(int const c) __attrib_const __hot;
00065 string StripEpoch(const string &VerStr);
00066 
00067 #define APT_MKSTRCMP(name,func) \
00068 inline int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));}; \
00069 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
00070 inline int name(const string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \
00071 inline int name(const string& A,const string& B) {return func(A.c_str(),A.c_str()+A.length(),B.c_str(),B.c_str()+B.length());}; \
00072 inline int name(const string& A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);};
00073 
00074 #define APT_MKSTRCMP2(name,func) \
00075 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
00076 inline int name(const string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \
00077 inline int name(const string& A,const string& B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \
00078 inline int name(const string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);};
00079 
00080 int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
00081 int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
00082 
00083 /* We assume that GCC 3 indicates that libstdc++3 is in use too. In that
00084    case the definition of string::const_iterator is not the same as
00085    const char * and we need these extra functions */
00086 #if __GNUC__ >= 3
00087 int stringcmp(string::const_iterator A,string::const_iterator AEnd,
00088               const char *B,const char *BEnd);
00089 int stringcmp(string::const_iterator A,string::const_iterator AEnd,
00090               string::const_iterator B,string::const_iterator BEnd);
00091 int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
00092                   const char *B,const char *BEnd);
00093 int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
00094                   string::const_iterator B,string::const_iterator BEnd);
00095 
00096 inline int stringcmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));};
00097 inline int stringcasecmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));};
00098 #endif
00099 
00100 APT_MKSTRCMP2(stringcmp,stringcmp);
00101 APT_MKSTRCMP2(stringcasecmp,stringcasecmp);
00102 
00103 inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
00104 
00105 class URI
00106 {
00107    void CopyFrom(const string &From);
00108                  
00109    public:
00110    
00111    string Access;
00112    string User;
00113    string Password;
00114    string Host;
00115    string Path;
00116    unsigned int Port;
00117    
00118    operator string();
00119    inline void operator =(const string &From) {CopyFrom(From);};
00120    inline bool empty() {return Access.empty();};
00121    static string SiteOnly(const string &URI);
00122    static string NoUserPassword(const string &URI);
00123    
00124    URI(string Path) {CopyFrom(Path);};
00125    URI() : Port(0) {};
00126 };
00127 
00128 struct SubstVar
00129 {
00130    const char *Subst;
00131    const string *Contents;
00132 };
00133 string SubstVar(string Str,const struct SubstVar *Vars);
00134 string SubstVar(const string &Str,const string &Subst,const string &Contents);
00135 
00136 struct RxChoiceList
00137 {
00138    void *UserData;
00139    const char *Str;
00140    bool Hit;
00141 };
00142 unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin,
00143                       const char **ListEnd);
00144 
00145 #endif