* add "purge" commandline argument, closes: #133421)

[apt.git] / apt-pkg / contrib / strutl.h

diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 88f9a50137d26c73f44d55e5fab16869dcc0cbae..ae1244ecd10b6e0efcce45814bfaefc28280773c 100644 (file)
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/

-// $Id: strutl.h,v 1.17 2001/02/23 05:45:27 jgg Exp $
+// $Id: strutl.h,v 1.22 2003/02/02 22:20:27 jgg Exp $

 /* ######################################################################
 
    String Util - These are some useful string functions
 /* ######################################################################
 
    String Util - These are some useful string functions


@@ -16,56 +16,91 @@
 #ifndef STRUTL_H
 #define STRUTL_H
 
 #ifndef STRUTL_H
 #define STRUTL_H
 

-#ifdef __GNUG__
-#pragma interface "apt-pkg/strutl.h"
-#endif 
+

 
 #include <stdlib.h>
 #include <string>
 #include <vector>
 
 #include <stdlib.h>
 #include <string>
 #include <vector>

+#include <iostream>

 #include <time.h>
 
 #include <time.h>
 

+using std::string;
+using std::vector;
+using std::ostream;
+

 #ifdef __GNUG__
 // Methods have a hidden this parameter that is visible to this attribute
 #define APT_FORMAT2 __attribute__ ((format (printf, 2, 3)))
 #ifdef __GNUG__
 // Methods have a hidden this parameter that is visible to this attribute
 #define APT_FORMAT2 __attribute__ ((format (printf, 2, 3)))

+#define APT_FORMAT3 __attribute__ ((format (printf, 3, 4)))

 #else
 #define APT_FORMAT2
 #else
 #define APT_FORMAT2

+#define APT_FORMAT3

 #endif    
 #endif    

-    
+
+bool UTF8ToCodeset(const char *codeset, const string &orig, string *dest);

 char *_strstrip(char *String);
 char *_strtabexpand(char *String,size_t Len);
 bool ParseQuoteWord(const char *&String,string &Res);
 bool ParseCWord(const char *&String,string &Res);
 char *_strstrip(char *String);
 char *_strtabexpand(char *String,size_t Len);
 bool ParseQuoteWord(const char *&String,string &Res);
 bool ParseCWord(const char *&String,string &Res);

-string QuoteString(string Str,const char *Bad);
-string DeQuoteString(string Str);
+string QuoteString(const string &Str,const char *Bad);
+string DeQuoteString(const string &Str);

 string SizeToStr(double Bytes);
 string TimeToStr(unsigned long Sec);
 string SizeToStr(double Bytes);
 string TimeToStr(unsigned long Sec);

-string Base64Encode(string Str);
-string URItoFileName(string URI);
+string Base64Encode(const string &Str);
+string URItoFileName(const string &URI);

 string TimeRFC1123(time_t Date);
 string TimeRFC1123(time_t Date);

-bool StrToTime(string Val,time_t &Result);
-string LookupTag(string Message,const char *Tag,const char *Default = 0);
-int StringToBool(string Text,int Default = -1);
+bool StrToTime(const string &Val,time_t &Result);
+string LookupTag(const string &Message,const char *Tag,const char *Default = 0);
+int StringToBool(const string &Text,int Default = -1);

 bool ReadMessages(int Fd, vector<string> &List);
 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);
 bool ReadMessages(int Fd, vector<string> &List);
 bool StrToNum(const char *Str,unsigned long &Res,unsigned Len,unsigned Base = 0);

-bool Hex2Num(const char *Start,const char *End,unsigned char *Num,
-            unsigned int Length);
+bool Hex2Num(const string &Str,unsigned char *Num,unsigned int Length);

 bool TokSplitString(char Tok,char *Input,char **List,
                    unsigned long ListMax);
 void ioprintf(ostream &out,const char *format,...) APT_FORMAT2;
 bool TokSplitString(char Tok,char *Input,char **List,
                    unsigned long ListMax);
 void ioprintf(ostream &out,const char *format,...) APT_FORMAT2;

-bool CheckDomainList(string Host,string List);
+char *safe_snprintf(char *Buffer,char *End,const char *Format,...) APT_FORMAT3;
+bool CheckDomainList(const string &Host, const string &List);
+
+#define APT_MKSTRCMP(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(string A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));}; \
+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());}; \
+inline int name(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(string A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));}; \
+inline int name(string A,string B) {return func(A.begin(),A.end(),B.begin(),B.end());}; \
+inline int name(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 stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);

-inline int stringcmp(const char *A,const char *AEnd,const char *B) {return stringcmp(A,AEnd,B,B+strlen(B));};
-inline int stringcmp(string A,const char *B) {return stringcmp(A.begin(),A.end(),B,B+strlen(B));};

 int stringcasecmp(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);

-inline int stringcasecmp(const char *A,const char *AEnd,const char *B) {return stringcasecmp(A,AEnd,B,B+strlen(B));};
-inline int stringcasecmp(string A,const char *B) {return stringcasecmp(A.begin(),A.end(),B,B+strlen(B));};
-inline int stringcasecmp(string A,string B) {return stringcasecmp(A.begin(),A.end(),B.begin(),B.end());};
+
+/* 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(string::const_iterator A,string::const_iterator AEnd,
+             const char *B,const char *BEnd);
+int stringcmp(string::const_iterator A,string::const_iterator AEnd,
+             string::const_iterator B,string::const_iterator BEnd);
+int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
+                 const char *B,const char *BEnd);
+int stringcasecmp(string::const_iterator A,string::const_iterator AEnd,
+                  string::const_iterator B,string::const_iterator BEnd);
+
+inline int stringcmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));};
+inline int stringcasecmp(string::const_iterator A,string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));};
+#endif
+
+APT_MKSTRCMP2(stringcmp,stringcmp);
+APT_MKSTRCMP2(stringcasecmp,stringcasecmp);
+
+inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};

 
 class URI
 {
 
 class URI
 {

-   void CopyFrom(string From);
+   void CopyFrom(const string &From);

                 
    public:
    
                 
    public:
    


@@ -77,9 +112,9 @@ class URI
    unsigned int Port;
    
    operator string();
    unsigned int Port;
    
    operator string();

-   inline void operator =(string From) {CopyFrom(From);};
+   inline void operator =(const string &From) {CopyFrom(From);};

    inline bool empty() {return Access.empty();};
    inline bool empty() {return Access.empty();};

-   static string SiteOnly(string URI);
+   static string SiteOnly(const string &URI);

    
    URI(string Path) {CopyFrom(Path);};
    URI() : Port(0) {};
    
    URI(string Path) {CopyFrom(Path);};
    URI() : Port(0) {};


@@ -91,7 +126,7 @@ struct SubstVar
    const string *Contents;
 };
 string SubstVar(string Str,const struct SubstVar *Vars);
    const string *Contents;
 };
 string SubstVar(string Str,const struct SubstVar *Vars);

-string SubstVar(string Str,string Subst,string Contents);
+string SubstVar(const string &Str,const string &Subst,const string &Contents);

 
 struct RxChoiceList
 {
 
 struct RxChoiceList
 {