diff options
Diffstat (limited to 'apt-pkg/contrib/strutl.cc')
| -rw-r--r-- | apt-pkg/contrib/strutl.cc | 110 |
1 files changed, 32 insertions, 78 deletions
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc index 303cb27db..d96155917 100644 --- a/apt-pkg/contrib/strutl.cc +++ b/apt-pkg/contrib/strutl.cc @@ -32,55 +32,12 @@ #include <regex.h> #include <errno.h> #include <stdarg.h> -#include <iconv.h> #include "config.h" using namespace std; /*}}}*/ -// UTF8ToCodeset - Convert some UTF-8 string for some codeset /*{{{*/ -// --------------------------------------------------------------------- -/* This is handy to use before display some information for enduser */ -bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest) -{ - iconv_t cd; - const char *inbuf; - char *inptr, *outbuf, *outptr; - size_t insize, outsize; - - cd = iconv_open(codeset, "UTF-8"); - if (cd == (iconv_t)(-1)) { - // Something went wrong - if (errno == EINVAL) - _error->Error("conversion from 'UTF-8' to '%s' not available", - codeset); - else - perror("iconv_open"); - - // Clean the destination string - *dest = ""; - - return false; - } - - insize = outsize = orig.size(); - inbuf = orig.data(); - inptr = (char *)inbuf; - outbuf = new char[insize+1]; - outptr = outbuf; - - iconv(cd, &inptr, &insize, &outptr, &outsize); - *outptr = '\0'; - - *dest = outbuf; - delete[] outbuf; - - iconv_close(cd); - - return true; -} - /*}}}*/ // strstrip - Remove white space from the front and back of a string /*{{{*/ // --------------------------------------------------------------------- /* This is handy to use when parsing a file. It also removes \n's left @@ -242,10 +199,10 @@ bool ParseCWord(const char *&String,string &Res) // QuoteString - Convert a string into quoted from /*{{{*/ // --------------------------------------------------------------------- /* */ -string QuoteString(string Str,const char *Bad) +string QuoteString(const string &Str, const char *Bad) { string Res; - for (string::iterator I = Str.begin(); I != Str.end(); I++) + for (string::const_iterator I = Str.begin(); I != Str.end(); I++) { if (strchr(Bad,*I) != 0 || isprint(*I) == 0 || *I <= 0x20 || *I >= 0x7F) @@ -263,7 +220,7 @@ string QuoteString(string Str,const char *Bad) // DeQuoteString - Convert a string from quoted from /*{{{*/ // --------------------------------------------------------------------- /* This undoes QuoteString */ -string DeQuoteString(string Str) +string DeQuoteString(const string &Str) { string Res; for (string::const_iterator I = Str.begin(); I != Str.end(); I++) @@ -360,7 +317,7 @@ string TimeToStr(unsigned long Sec) // SubstVar - Substitute a string for another string /*{{{*/ // --------------------------------------------------------------------- /* This replaces all occurances of Subst with Contents in Str. */ -string SubstVar(string Str,string Subst,string Contents) +string SubstVar(const string &Str,const string &Subst,const string &Contents) { string::size_type Pos = 0; string::size_type OldPos = 0; @@ -391,21 +348,18 @@ string SubstVar(string Str,const struct SubstVar *Vars) /* This converts a URI into a safe filename. It quotes all unsafe characters and converts / to _ and removes the scheme identifier. The resulting file name should be unique and never occur again for a different file */ -string URItoFileName(string URI) +string URItoFileName(const string &URI) { // Nuke 'sensitive' items ::URI U(URI); - U.User = string(); - U.Password = string(); - U.Access = ""; + U.User.clear(); + U.Password.clear(); + U.Access.clear(); // "\x00-\x20{}|\\\\^\\[\\]<>\"\x7F-\xFF"; - URI = QuoteString(U,"\\|{}[]<>\"^~=!@#$%^&*"); - string::iterator J = URI.begin(); - for (; J != URI.end(); J++) - if (*J == '/') - *J = '_'; - return URI; + string NewURI = QuoteString(U,"\\|{}[]<>\"^~_=!@#$%^&*"); + replace(NewURI.begin(),NewURI.end(),'/','_'); + return NewURI; } /*}}}*/ // Base64Encode - Base64 Encoding routine for short strings /*{{{*/ @@ -414,7 +368,7 @@ string URItoFileName(string URI) from wget and then patched and bug fixed. This spec can be found in rfc2045 */ -string Base64Encode(string S) +string Base64Encode(const string &S) { // Conversion table. static char tbl[64] = {'A','B','C','D','E','F','G','H', @@ -583,17 +537,17 @@ int stringcasecmp(string::const_iterator A,string::const_iterator AEnd, // --------------------------------------------------------------------- /* The format is like those used in package files and the method communication system */ -string LookupTag(string Message,const char *Tag,const char *Default) +string LookupTag(const string &Message,const char *Tag,const char *Default) { // Look for a matching tag. int Length = strlen(Tag); - for (string::iterator I = Message.begin(); I + Length < Message.end(); I++) + for (string::const_iterator I = Message.begin(); I + Length < Message.end(); I++) { // Found the tag if (I[Length] == ':' && stringcasecmp(I,I+Length,Tag) == 0) { // Find the end of line and strip the leading/trailing spaces - string::iterator J; + string::const_iterator J; I += Length + 1; for (; isspace(*I) != 0 && I < Message.end(); I++); for (J = I; *J != '\n' && J < Message.end(); J++); @@ -615,7 +569,7 @@ string LookupTag(string Message,const char *Tag,const char *Default) // --------------------------------------------------------------------- /* This inspects the string to see if it is true or if it is false and then returns the result. Several varients on true/false are checked. */ -int StringToBool(string Text,int Default) +int StringToBool(const string &Text,int Default) { char *End; int Res = strtol(Text.c_str(),&End,0); @@ -781,7 +735,7 @@ static time_t timegm(struct tm *t) 'timegm' to convert a struct tm in UTC to a time_t. For some bizzar reason the C library does not provide any such function :< This also handles the weird, but unambiguous FTP time format*/ -bool StrToTime(string Val,time_t &Result) +bool StrToTime(const string &Val,time_t &Result) { struct tm Tm; char Month[10]; @@ -868,7 +822,7 @@ static int HexDigit(int c) // Hex2Num - Convert a long hex number into a buffer /*{{{*/ // --------------------------------------------------------------------- /* The length of the buffer must be exactly 1/2 the length of the string. */ -bool Hex2Num(string Str,unsigned char *Num,unsigned int Length) +bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length) { if (Str.length() != Length*2) return false; @@ -1029,7 +983,7 @@ char *safe_snprintf(char *Buffer,char *End,const char *Format,...) // --------------------------------------------------------------------- /* The domain list is a comma seperate list of domains that are suffix matched against the argument */ -bool CheckDomainList(string Host,string List) +bool CheckDomainList(const string &Host,const string &List) { string::const_iterator Start = List.begin(); for (string::const_iterator Cur = List.begin(); Cur <= List.end(); Cur++) @@ -1052,7 +1006,7 @@ bool CheckDomainList(string Host,string List) // URI::CopyFrom - Copy from an object /*{{{*/ // --------------------------------------------------------------------- /* This parses the URI into all of its components */ -void URI::CopyFrom(string U) +void URI::CopyFrom(const string &U) { string::const_iterator I = U.begin(); @@ -1081,9 +1035,9 @@ void URI::CopyFrom(string U) SingleSlash = U.end(); // We can now write the access and path specifiers - Access = string(U,0,FirstColon - U.begin()); + Access.assign(U.begin(),FirstColon); if (SingleSlash != U.end()) - Path = string(U,SingleSlash - U.begin()); + Path.assign(SingleSlash,U.end()); if (Path.empty() == true) Path = "/"; @@ -1113,14 +1067,14 @@ void URI::CopyFrom(string U) if (At == SingleSlash) { if (FirstColon < SingleSlash) - Host = string(U,FirstColon - U.begin(),SingleSlash - FirstColon); + Host.assign(FirstColon,SingleSlash); } else { - Host = string(U,At - U.begin() + 1,SingleSlash - At - 1); - User = string(U,FirstColon - U.begin(),SecondColon - FirstColon); + Host.assign(At+1,SingleSlash); + User.assign(FirstColon,SecondColon); if (SecondColon < At) - Password = string(U,SecondColon - U.begin() + 1,At - SecondColon - 1); + Password.assign(SecondColon+1,At); } // Now we parse the RFC 2732 [] hostnames. @@ -1148,7 +1102,7 @@ void URI::CopyFrom(string U) // Tsk, weird. if (InBracket == true) { - Host = string(); + Host.clear(); return; } @@ -1159,7 +1113,7 @@ void URI::CopyFrom(string U) return; Port = atoi(string(Host,Pos+1).c_str()); - Host = string(Host,0,Pos); + Host.assign(Host,0,Pos); } /*}}}*/ // URI::operator string - Convert the URI to a string /*{{{*/ @@ -1214,12 +1168,12 @@ URI::operator string() // URI::SiteOnly - Return the schema and site for the URI /*{{{*/ // --------------------------------------------------------------------- /* */ -string URI::SiteOnly(string URI) +string URI::SiteOnly(const string &URI) { ::URI U(URI); - U.User = string(); - U.Password = string(); - U.Path = string(); + U.User.clear(); + U.Password.clear(); + U.Path.clear(); U.Port = 0; return U; } |