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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: strutl.h,v 1.22 2003/02/02 22:20:27 jgg Exp $
/* ######################################################################
String Util - These are some useful string functions
_strstrip is a function to remove whitespace from the front and end
of a string.
This source is placed in the Public Domain, do with it what you will
It was originally written by Jason Gunthorpe <jgg@gpu.srv.ualberta.ca>
##################################################################### */
/*}}}*/
#ifndef STRUTL_H
#define STRUTL_H
#include <stdlib.h>
#include <string>
#include <cstring>
#include <vector>
#include <iostream>
#include <time.h>
#include "macros.h"
#ifndef APT_8_CLEANER_HEADERS
using std::string;
using std::vector;
using std::ostream;
#endif
bool UTF8ToCodeset(const char *codeset, const std::string &orig, std::string *dest);
char *_strstrip(char *String);
char *_strrstrip(char *String); // right strip only
char *_strtabexpand(char *String,size_t Len);
bool ParseQuoteWord(const char *&String,std::string &Res);
bool ParseCWord(const char *&String,std::string &Res);
std::string QuoteString(const std::string &Str,const char *Bad);
std::string DeQuoteString(const std::string &Str);
std::string DeQuoteString(std::string::const_iterator const &begin, std::string::const_iterator const &end);
// unescape (\0XX and \xXX) from a string
std::string DeEscapeString(const std::string &input);
std::string SizeToStr(double Bytes);
std::string TimeToStr(unsigned long Sec);
std::string Base64Encode(const std::string &Str);
std::string OutputInDepth(const unsigned long Depth, const char* Separator=" ");
std::string URItoFileName(const std::string &URI);
std::string TimeRFC1123(time_t Date);
bool RFC1123StrToTime(const char* const str,time_t &time) __must_check;
bool FTPMDTMStrToTime(const char* const str,time_t &time) __must_check;
__deprecated bool StrToTime(const std::string &Val,time_t &Result);
std::string LookupTag(const std::string &Message,const char *Tag,const char *Default = 0);
int StringToBool(const std::string &Text,int Default = -1);
bool ReadMessages(int Fd, std::vector<std::string> &List);
bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);
bool StrToNum(const char *Str,unsigned long long &Res,unsigned Len,unsigned Base = 0);
bool Base256ToNum(const char *Str,unsigned long &Res,unsigned int Len);
bool Hex2Num(const std::string &Str,unsigned char *Num,unsigned int Length);
bool TokSplitString(char Tok,char *Input,char **List,
unsigned long ListMax);
std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) __attrib_const;
// like python string.split
std::vector<std::string> StringSplit(std::string const &haystack, std::string const &sep) __attrib_const;
void ioprintf(std::ostream &out,const char *format,...) __like_printf(2);
void strprintf(std::string &out,const char *format,...) __like_printf(2);
char *safe_snprintf(char *Buffer,char *End,const char *Format,...) __like_printf(3);
bool CheckDomainList(const std::string &Host, const std::string &List);
int tolower_ascii(int const c) __attrib_const __hot;
std::string StripEpoch(const std::string &VerStr);
#define APT_MKSTRCMP(name,func) \
inline int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));}; \
inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
inline int name(const std::string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \
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());}; \
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);};
#define APT_MKSTRCMP2(name,func) \
inline int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));}; \
inline int name(const std::string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \
inline int name(const std::string& A,const std::string& B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \
inline int name(const std::string& A,const char *B,const char *BEnd) {return func(A.begin(),A.end(),B,BEnd);};
int stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
int stringcasecmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
/* We assume that GCC 3 indicates that libstdc++3 is in use too. In that
case the definition of string::const_iterator is not the same as
const char * and we need these extra functions */
#if __GNUC__ >= 3
int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
const char *B,const char *BEnd);
int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
std::string::const_iterator B,std::string::const_iterator BEnd);
int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
const char *B,const char *BEnd);
int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
std::string::const_iterator B,std::string::const_iterator BEnd);
inline int stringcmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));};
inline int stringcasecmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));};
#endif
APT_MKSTRCMP2(stringcmp,stringcmp);
APT_MKSTRCMP2(stringcasecmp,stringcasecmp);
// Return the length of a NULL-terminated string array
size_t strv_length(const char **str_array);
inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
class URI
{
void CopyFrom(const std::string &From);
public:
std::string Access;
std::string User;
std::string Password;
std::string Host;
std::string Path;
unsigned int Port;
operator std::string();
inline void operator =(const std::string &From) {CopyFrom(From);};
inline bool empty() {return Access.empty();};
static std::string SiteOnly(const std::string &URI);
static std::string NoUserPassword(const std::string &URI);
URI(std::string Path) {CopyFrom(Path);};
URI() : Port(0) {};
};
struct SubstVar
{
const char *Subst;
const std::string *Contents;
};
std::string SubstVar(std::string Str,const struct SubstVar *Vars);
std::string SubstVar(const std::string &Str,const std::string &Subst,const std::string &Contents);
struct RxChoiceList
{
void *UserData;
const char *Str;
bool Hit;
};
unsigned long RegexChoice(RxChoiceList *Rxs,const char **ListBegin,
const char **ListEnd);
#endif
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