| 1 | // -*- mode: cpp; mode: fold -*- |
| 2 | // Description /*{{{*/ |
| 3 | // $Id: strutl.h,v 1.22 2003/02/02 22:20:27 jgg Exp $ |
| 4 | /* ###################################################################### |
| 5 | |
| 6 | String Util - These are some useful string functions |
| 7 | |
| 8 | _strstrip is a function to remove whitespace from the front and end |
| 9 | of a string. |
| 10 | |
| 11 | This source is placed in the Public Domain, do with it what you will |
| 12 | It was originally written by Jason Gunthorpe <jgg@gpu.srv.ualberta.ca> |
| 13 | |
| 14 | ##################################################################### */ |
| 15 | /*}}}*/ |
| 16 | #ifndef STRUTL_H |
| 17 | #define STRUTL_H |
| 18 | |
| 19 | |
| 20 | |
| 21 | #include <stdlib.h> |
| 22 | #include <string> |
| 23 | #include <cstring> |
| 24 | #include <vector> |
| 25 | #include <iostream> |
| 26 | #include <time.h> |
| 27 | |
| 28 | using std::string; |
| 29 | using std::vector; |
| 30 | using std::ostream; |
| 31 | |
| 32 | #ifdef __GNUG__ |
| 33 | // Methods have a hidden this parameter that is visible to this attribute |
| 34 | #define APT_FORMAT2 __attribute__ ((format (printf, 2, 3))) |
| 35 | #define APT_FORMAT3 __attribute__ ((format (printf, 3, 4))) |
| 36 | #else |
| 37 | #define APT_FORMAT2 |
| 38 | #define APT_FORMAT3 |
| 39 | #endif |
| 40 | |
| 41 | bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest); |
| 42 | char *_strstrip(char *String); |
| 43 | char *_strtabexpand(char *String,size_t Len); |
| 44 | bool ParseQuoteWord(const char *&String,string &Res); |
| 45 | bool ParseCWord(const char *&String,string &Res); |
| 46 | string QuoteString(const string &Str,const char *Bad); |
| 47 | string DeQuoteString(const string &Str); |
| 48 | string SizeToStr(double Bytes); |
| 49 | string TimeToStr(unsigned long Sec); |
| 50 | string Base64Encode(const string &Str); |
| 51 | string OutputInDepth(const unsigned long Depth, const char* Separator=" "); |
| 52 | string URItoFileName(const string &URI); |
| 53 | string TimeRFC1123(time_t Date); |
| 54 | bool StrToTime(const string &Val,time_t &Result); |
| 55 | string LookupTag(const string &Message,const char *Tag,const char *Default = 0); |
| 56 | int StringToBool(const string &Text,int Default = -1); |
| 57 | bool ReadMessages(int Fd, vector<string> &List); |
| 58 | bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0); |
| 59 | bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length); |
| 60 | bool TokSplitString(char Tok,char *Input,char **List, |
| 61 | unsigned long ListMax); |
| 62 | void ioprintf(ostream &out,const char *format,...) APT_FORMAT2; |
| 63 | void strprintf(string &out,const char *format,...) APT_FORMAT2; |
| 64 | char *safe_snprintf(char *Buffer,char *End,const char *Format,...) APT_FORMAT3; |
| 65 | bool CheckDomainList(const string &Host, const string &List); |
| 66 | int tolower_ascii(int c); |
| 67 | |
| 68 | #define APT_MKSTRCMP(name,func) \ |
| 69 | inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ |
| 70 | inline int name(string A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \ |
| 71 | 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());}; \ |
| 72 | inline int name(string A,const char *B,const char *BEnd) {return func(A.c_str(),A.c_str()+A.length(),B,BEnd);}; |
| 73 | |
| 74 | #define APT_MKSTRCMP2(name,func) \ |
| 75 | inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \ |
| 76 | inline int name(string A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \ |
| 77 | inline int name(string A,string B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \ |
| 78 | inline int name(string A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);}; |
| 79 | |
| 80 | int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd); |
| 81 | int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd); |
| 82 | |
| 83 | /* We assume that GCC 3 indicates that libstdc++3 is in use too. In that |
| 84 | case the definition of string::const_iterator is not the same as |
| 85 | const char * and we need these extra functions */ |
| 86 | #if __GNUC__ >= 3 |
| 87 | int stringcmp(string::const_iterator A,string::const_iterator AEnd, |
| 88 | const char *B,const char *BEnd); |
| 89 | int stringcmp(string::const_iterator A,string::const_iterator AEnd, |
| 90 | string::const_iterator B,string::const_iterator BEnd); |
| 91 | int stringcasecmp(string::const_iterator A,string::const_iterator AEnd, |
| 92 | const char *B,const char *BEnd); |
| 93 | int stringcasecmp(string::const_iterator A,string::const_iterator AEnd, |
| 94 | string::const_iterator B,string::const_iterator BEnd); |
| 95 | |
| 96 | inline int stringcmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));}; |
| 97 | inline int stringcasecmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));}; |
| 98 | #endif |
| 99 | |
| 100 | APT_MKSTRCMP2(stringcmp,stringcmp); |
| 101 | APT_MKSTRCMP2(stringcasecmp,stringcasecmp); |
| 102 | |
| 103 | inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);}; |
| 104 | |
| 105 | class URI |
| 106 | { |
| 107 | void CopyFrom(const string &From); |
| 108 | |
| 109 | public: |
| 110 | |
| 111 | string Access; |
| 112 | string User; |
| 113 | string Password; |
| 114 | string Host; |
| 115 | string Path; |
| 116 | unsigned int Port; |
| 117 | |
| 118 | operator string(); |
| 119 | inline void operator =(const string &From) {CopyFrom(From);}; |
| 120 | inline bool empty() {return Access.empty();}; |
| 121 | static string SiteOnly(const string &URI); |
| 122 | |
| 123 | URI(string Path) {CopyFrom(Path);}; |
| 124 | URI() : Port(0) {}; |
| 125 | }; |
| 126 | |
| 127 | struct SubstVar |
| 128 | { |
| 129 | const char *Subst; |
| 130 | const string *Contents; |
| 131 | }; |
| 132 | string SubstVar(string Str,const struct SubstVar *Vars); |
| 133 | string SubstVar(const string &Str,const string &Subst,const string &Contents); |
| 134 | |
| 135 | struct RxChoiceList |
| 136 | { |
| 137 | void *UserData; |
| 138 | const char *Str; |
| 139 | bool Hit; |
| 140 | }; |
| 141 | unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin, |
| 142 | const char **ListEnd); |
| 143 | |
| 144 | #undef APT_FORMAT2 |
| 145 | |
| 146 | #endif |