apt-pkg/contrib/strutl.h

   1 // -*- mode: cpp; mode: fold -*-
   2 // Description                                                          /*{{{*/
   3 // $Id: strutl.h,v 1.16 2001/02/20 07:03:17 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 #ifdef __GNUG__
  20 #pragma interface "apt-pkg/strutl.h"
  21 #endif
  22
  23 #include <stdlib.h>
  24 #include <string>
  25 #include <vector>
  26 #include <time.h>
  27
  28 #ifdef __GNUG__
  29 // Methods have a hidden this parameter that is visible to this attribute
  30 #define APT_FORMAT2 __attribute__ ((format (printf, 2, 3)))
  31 #else
  32 #define APT_FORMAT2
  33 #endif
  34
  35 char *_strstrip(char *String);
  36 char *_strtabexpand(char *String,size_t Len);
  37 bool ParseQuoteWord(const char *&String,string &Res);
  38 bool ParseCWord(const char *&String,string &Res);
  39 string QuoteString(string Str,const char *Bad);
  40 string DeQuoteString(string Str);
  41 string SizeToStr(double Bytes);
  42 string TimeToStr(unsigned long Sec);
  43 string Base64Encode(string Str);
  44 string URItoFileName(string URI);
  45 string TimeRFC1123(time_t Date);
  46 bool StrToTime(string Val,time_t &Result);
  47 string LookupTag(string Message,const char *Tag,const char *Default = 0);
  48 int StringToBool(string Text,int Default = -1);
  49 bool ReadMessages(int Fd, vector<string> &List);
  50 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);
  51 bool Hex2Num(const char *Start,const char *End,unsigned char *Num,
  52              unsigned int Length);
  53 bool TokSplitString(char Tok,char *Input,char **List,
  54                     unsigned long ListMax);
  55 void ioprintf(ostream &out,const char *format,...) APT_FORMAT2;
  56
  57 int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
  58 inline int stringcmp(const char *A,const char *AEnd,const char *B) {return stringcmp(A,AEnd,B,B+strlen(B));};
  59 inline int stringcmp(string A,const char *B) {return stringcmp(A.begin(),A.end(),B,B+strlen(B));};
  60 int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
  61 inline int stringcasecmp(const char *A,const char *AEnd,const char *B) {return stringcasecmp(A,AEnd,B,B+strlen(B));};
  62 inline int stringcasecmp(string A,const char *B) {return stringcasecmp(A.begin(),A.end(),B,B+strlen(B));};
  63 inline int stringcasecmp(string A,string B) {return stringcasecmp(A.begin(),A.end(),B.begin(),B.end());};
  64
  65 class URI
  66 {
  67    void CopyFrom(string From);
  68
  69    public:
  70
  71    string Access;
  72    string User;
  73    string Password;
  74    string Host;
  75    string Path;
  76    unsigned int Port;
  77
  78    operator string();
  79    inline void operator =(string From) {CopyFrom(From);};
  80    inline bool empty() {return Access.empty();};
  81    static string SiteOnly(string URI);
  82
  83    URI(string Path) {CopyFrom(Path);};
  84    URI() : Port(0) {};
  85 };
  86
  87 struct SubstVar
  88 {
  89    const char *Subst;
  90    const string *Contents;
  91 };
  92 string SubstVar(string Str,const struct SubstVar *Vars);
  93 string SubstVar(string Str,string Subst,string Contents);
  94
  95 struct RxChoiceList
  96 {
  97    void *UserData;
  98    const char *Str;
  99    bool Hit;
 100 };
 101 unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin,
 102                       const char **ListEnd);
 103
 104 #undef APT_FORMAT2
 105
 106 #endif