apt
1.5
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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 #ifndef APT_8_CLEANER_HEADERS 00031 using std::string; 00032 using std::vector; 00033 using std::ostream; 00034 #endif 00035 00036 bool UTF8ToCodeset(const char *codeset, const std::string &orig, std::string *dest); 00037 char *_strstrip(char *String); 00038 char *_strtabexpand(char *String,size_t Len); 00039 bool ParseQuoteWord(const char *&String,std::string &Res); 00040 bool ParseCWord(const char *&String,std::string &Res); 00041 std::string QuoteString(const std::string &Str,const char *Bad); 00042 std::string DeQuoteString(const std::string &Str); 00043 std::string DeQuoteString(std::string::const_iterator const &begin, std::string::const_iterator const &end); 00044 00045 // unescape (\0XX and \xXX) from a string 00046 std::string DeEscapeString(const std::string &input); 00047 00048 std::string SizeToStr(double Bytes); 00049 std::string TimeToStr(unsigned long Sec); 00050 std::string Base64Encode(const std::string &Str); 00051 std::string OutputInDepth(const unsigned long Depth, const char* Separator=" "); 00052 std::string URItoFileName(const std::string &URI); 00053 std::string TimeRFC1123(time_t Date); 00054 bool RFC1123StrToTime(const char* const str,time_t &time) __must_check; 00055 bool FTPMDTMStrToTime(const char* const str,time_t &time) __must_check; 00056 __deprecated bool StrToTime(const std::string &Val,time_t &Result); 00057 std::string LookupTag(const std::string &Message,const char *Tag,const char *Default = 0); 00058 int StringToBool(const std::string &Text,int Default = -1); 00059 bool ReadMessages(int Fd, std::vector<std::string> &List); 00060 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0); 00061 bool StrToNum(const char *Str,unsigned long long &Res,unsigned Len,unsigned Base = 0); 00062 bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len); 00063 bool Hex2Num(const std::string &Str,unsigned char *Num,unsigned int Length); 00064 bool TokSplitString(char Tok,char *Input,char **List, 00065 unsigned long ListMax); 00066 std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) __attrib_const; 00067 void ioprintf(std::ostream &out,const char *format,...) __like_printf(2); 00068 void strprintf(std::string &out,const char *format,...) __like_printf(2); 00069 char *safe_snprintf(char *Buffer,char *End,const char *Format,...) __like_printf(3); 00070 bool CheckDomainList(const std::string &Host, const std::string &List); 00071 int tolower_ascii(int const c) __attrib_const __hot; 00072 std::string StripEpoch(const std::string &VerStr); 00073 00074 #define APT_MKSTRCMP(name,func) \ 00075 inline int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));}; \ 00076 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ 00077 inline int name(const std::string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \ 00078 inline int name(const std::string& A,const std::string& B) {return func(A.c_str(),A.c_str()+A.length(),B.c_str(),B.c_str()+B.length());}; \ 00079 inline int name(const std::string& A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);}; 00080 00081 #define APT_MKSTRCMP2(name,func) \ 00082 inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ 00083 inline int name(const std::string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \ 00084 inline int name(const std::string& A,const std::string& B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \ 00085 inline int name(const std::string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);}; 00086 00087 int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd); 00088 int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd); 00089 00090 /* We assume that GCC 3 indicates that libstdc++3 is in use too. In that 00091 case the definition of string::const_iterator is not the same as 00092 const char * and we need these extra functions */ 00093 #if __GNUC__ >= 3 00094 int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd, 00095 const char *B,const char *BEnd); 00096 int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd, 00097 std::string::const_iterator B,std::string::const_iterator BEnd); 00098 int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd, 00099 const char *B,const char *BEnd); 00100 int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd, 00101 std::string::const_iterator B,std::string::const_iterator BEnd); 00102 00103 inline int stringcmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));}; 00104 inline int stringcasecmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));}; 00105 #endif 00106 00107 APT_MKSTRCMP2(stringcmp,stringcmp); 00108 APT_MKSTRCMP2(stringcasecmp,stringcasecmp); 00109 00110 inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);}; 00111 00112 class URI 00113 { 00114 void CopyFrom(const std::string &From); 00115 00116 public: 00117 00118 std::string Access; 00119 std::string User; 00120 std::string Password; 00121 std::string Host; 00122 std::string Path; 00123 unsigned int Port; 00124 00125 operator std::string(); 00126 inline void operator =(const std::string &From) {CopyFrom(From);}; 00127 inline bool empty() {return Access.empty();}; 00128 static std::string SiteOnly(const std::string &URI); 00129 static std::string NoUserPassword(const std::string &URI); 00130 00131 URI(std::string Path) {CopyFrom(Path);}; 00132 URI() : Port(0) {}; 00133 }; 00134 00135 struct SubstVar 00136 { 00137 const char *Subst; 00138 const std::string *Contents; 00139 }; 00140 std::string SubstVar(std::string Str,const struct SubstVar *Vars); 00141 std::string SubstVar(const std::string &Str,const std::string &Subst,const std::string &Contents); 00142 00143 struct RxChoiceList 00144 { 00145 void *UserData; 00146 const char *Str; 00147 bool Hit; 00148 }; 00149 unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin, 00150 const char **ListEnd); 00151 00152 #endif