apt @VERSION@
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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 00043 // unescape (\0XX and \xXX) from a string 00044 string DeEscapeString(const string &input); 00045 00046 string SizeToStr(double Bytes); 00047 string TimeToStr(unsigned long Sec); 00048 string Base64Encode(const string &Str); 00049 string OutputInDepth(const unsigned long Depth, const char* Separator=" "); 00050 string URItoFileName(const string &URI); 00051 string TimeRFC1123(time_t Date); 00052 bool RFC1123StrToTime(const char* const str,time_t &time) __must_check; 00053 bool FTPMDTMStrToTime(const char* const str,time_t &time) __must_check; 00054 __deprecated bool StrToTime(const string &Val,time_t &Result); 00055 string LookupTag(const string &Message,const char *Tag,const char *Default = 0); 00056 int StringToBool(const string &Text,int Default = -1); 00057 bool ReadMessages(int Fd, vector<string> &List); 00058 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0); 00059 bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len); 00060 bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length); 00061 bool TokSplitString(char Tok,char *Input,char **List, 00062 unsigned long ListMax); 00063 vector<string> VectorizeString(string const &haystack, char const &split) __attrib_const; 00064 void ioprintf(ostream &out,const char *format,...) __like_printf(2); 00065 void strprintf(string &out,const char *format,...) __like_printf(2); 00066 char *safe_snprintf(char *Buffer,char *End,const char *Format,...) __like_printf(3); 00067 bool CheckDomainList(const string &Host, const string &List); 00068 int tolower_ascii(int const c) __attrib_const __hot; 00069 string StripEpoch(const string &VerStr); 00070 00071 #define APT_MKSTRCMP(name,func) \ 00072 inline int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));}; \ 00073 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ 00074 inline int name(const string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \ 00075 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());}; \ 00076 inline int name(const string& A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);}; 00077 00078 #define APT_MKSTRCMP2(name,func) \ 00079 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ 00080 inline int name(const string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \ 00081 inline int name(const string& A,const string& B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \ 00082 inline int name(const string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);}; 00083 00084 int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd); 00085 int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd); 00086 00087 /* We assume that GCC 3 indicates that libstdc++3 is in use too. In that 00088 case the definition of string::const_iterator is not the same as 00089 const char * and we need these extra functions */ 00090 #if __GNUC__ >= 3 00091 int stringcmp(string::const_iterator A,string::const_iterator AEnd, 00092 const char *B,const char *BEnd); 00093 int stringcmp(string::const_iterator A,string::const_iterator AEnd, 00094 string::const_iterator B,string::const_iterator BEnd); 00095 int stringcasecmp(string::const_iterator A,string::const_iterator AEnd, 00096 const char *B,const char *BEnd); 00097 int stringcasecmp(string::const_iterator A,string::const_iterator AEnd, 00098 string::const_iterator B,string::const_iterator BEnd); 00099 00100 inline int stringcmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));}; 00101 inline int stringcasecmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));}; 00102 #endif 00103 00104 APT_MKSTRCMP2(stringcmp,stringcmp); 00105 APT_MKSTRCMP2(stringcasecmp,stringcasecmp); 00106 00107 inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);}; 00108 00109 class URI 00110 { 00111 void CopyFrom(const string &From); 00112 00113 public: 00114 00115 string Access; 00116 string User; 00117 string Password; 00118 string Host; 00119 string Path; 00120 unsigned int Port; 00121 00122 operator string(); 00123 inline void operator =(const string &From) {CopyFrom(From);}; 00124 inline bool empty() {return Access.empty();}; 00125 static string SiteOnly(const string &URI); 00126 static string NoUserPassword(const string &URI); 00127 00128 URI(string Path) {CopyFrom(Path);}; 00129 URI() : Port(0) {}; 00130 }; 00131 00132 struct SubstVar 00133 { 00134 const char *Subst; 00135 const string *Contents; 00136 }; 00137 string SubstVar(string Str,const struct SubstVar *Vars); 00138 string SubstVar(const string &Str,const string &Subst,const string &Contents); 00139 00140 struct RxChoiceList 00141 { 00142 void *UserData; 00143 const char *Str; 00144 bool Hit; 00145 }; 00146 unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin, 00147 const char **ListEnd); 00148 00149 #endif