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

diff --git a/apt-pkg/contrib/strutl.h b/apt-pkg/contrib/strutl.h
index 8d746f10eb348c7580722ffeda4cd03572948424..918ac89c741832f41a00117bf006d86ccc00e827 100644 (file)
--- a/apt-pkg/contrib/strutl.h
+++ b/apt-pkg/contrib/strutl.h
@@ -18,15 +18,21 @@
 
 
 #include <limits>
 
 
 #include <limits>

-#include <stdlib.h>

 #include <string>
 #include <cstring>
 #include <vector>
 #include <iostream>
 #include <string>
 #include <cstring>
 #include <vector>
 #include <iostream>

+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+#include <apt-pkg/string_view.h>
+#endif

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

+#include <stddef.h>

 
 #include "macros.h"
 
 
 #include "macros.h"
 

+#ifndef APT_10_CLEANER_HEADERS
+#include <stdlib.h>
+#endif

 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::vector;
 #ifndef APT_8_CLEANER_HEADERS
 using std::string;
 using std::vector;


@@ -37,8 +43,9 @@ namespace APT {
    namespace String {
       std::string Strip(const std::string &s);
       bool Endswith(const std::string &s, const std::string &ending);
    namespace String {
       std::string Strip(const std::string &s);
       bool Endswith(const std::string &s, const std::string &ending);

-   };
-};
+      bool Startswith(const std::string &s, const std::string &starting);
+   }
+}

 
 
 bool UTF8ToCodeset(const char *codeset, const std::string &orig, std::string *dest);
 
 
 bool UTF8ToCodeset(const char *codeset, const std::string &orig, std::string *dest);


@@ -59,31 +66,59 @@ 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 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);
+APT_DEPRECATED_MSG("Specify if GMT is required or a numeric timezone can be used") std::string TimeRFC1123(time_t Date);
+/** returns a datetime string as needed by HTTP/1.1 and Debian files.
+ *
+ * Note: The date will always be represented in a UTC timezone
+ *
+ * @param Date to be represented as a string
+ * @param NumericTimezone is preferred in general, but HTTP/1.1 requires the use
+ *    of GMT as timezone instead. \b true means that the timezone should be denoted
+ *    as "+0000" while \b false uses "GMT".
+ */
+std::string TimeRFC1123(time_t Date, bool const NumericTimezone);
+/** parses time as needed by HTTP/1.1 and Debian files.
+ *
+ * HTTP/1.1 prefers dates in RFC1123 format (but the other two obsolete date formats
+ * are supported to) and e.g. Release files use the same format in Date & Valid-Until
+ * fields.
+ *
+ * Note: datetime strings need to be in UTC timezones (GMT, UTC, Z, +/-0000) to be
+ * parsed. Other timezones will be rejected as invalid. Previous implementations
+ * accepted other timezones, but treated them as UTC.
+ *
+ * @param str is the datetime string to parse
+ * @param[out] time will be the seconds since epoch of the given datetime if
+ *    parsing is successful, undefined otherwise.
+ * @return \b true if parsing was successful, otherwise \b false.
+ */
+bool RFC1123StrToTime(const char* const str,time_t &time) APT_MUSTCHECK;
+bool FTPMDTMStrToTime(const char* const str,time_t &time) APT_MUSTCHECK;
+APT_DEPRECATED_MSG("Use RFC1123StrToTime or FTPMDTMStrToTime as needed instead") 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);
 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 Base256ToNum(const char *Str,unsigned long long &Res,unsigned int Len);

 bool Hex2Num(const std::string &Str,unsigned char *Num,unsigned int Length);
 bool Hex2Num(const std::string &Str,unsigned char *Num,unsigned int Length);

-
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+APT_HIDDEN bool Hex2Num(const APT::StringView Str,unsigned char *Num,unsigned int Length);
+#endif

 // input changing string split
 bool TokSplitString(char Tok,char *Input,char **List,
                    unsigned long ListMax);
 
 // split a given string by a char
 // input changing string split
 bool TokSplitString(char Tok,char *Input,char **List,
                    unsigned long ListMax);
 
 // split a given string by a char

-std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) __attrib_const;
+std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) APT_PURE;

 
 /* \brief Return a vector of strings from string "input" where "sep"
  * is used as the delimiter string.
  *
  * \param input The input string.
  *
 
 /* \brief Return a vector of strings from string "input" where "sep"
  * is used as the delimiter string.
  *
  * \param input The input string.
  *

- * \param sep The seperator to use.
+ * \param sep The separator to use.

  *
  * \param maxsplit (optional) The maximum amount of splitting that
  * should be done .
  *
  * \param maxsplit (optional) The maximum amount of splitting that
  * should be done .


@@ -94,63 +129,84 @@ std::vector<std::string> VectorizeString(std::string const &haystack, char const
  */
 std::vector<std::string> StringSplit(std::string const &input, 
                                      std::string const &sep, 
  */
 std::vector<std::string> StringSplit(std::string const &input, 
                                      std::string const &sep, 

-                                     unsigned int maxsplit=std::numeric_limits<unsigned int>::max()) __attrib_const;
+                                     unsigned int maxsplit=std::numeric_limits<unsigned int>::max()) APT_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);
+void ioprintf(std::ostream &out,const char *format,...) APT_PRINTF(2);
+void strprintf(std::string &out,const char *format,...) APT_PRINTF(2);
+char *safe_snprintf(char *Buffer,char *End,const char *Format,...) APT_PRINTF(3);

 bool CheckDomainList(const std::string &Host, const std::string &List);
 bool CheckDomainList(const std::string &Host, const std::string &List);

-int tolower_ascii(int const c) __attrib_const __hot;
+
+/* Do some compat mumbo jumbo */
+#define tolower_ascii  tolower_ascii_inline
+#define isspace_ascii  isspace_ascii_inline
+
+APT_CONST APT_HOT
+static inline int tolower_ascii_unsafe(int const c)
+{
+   return c | 0x20;
+}
+APT_CONST APT_HOT
+static inline int tolower_ascii_inline(int const c)
+{
+   return (c >= 'A' && c <= 'Z') ? c + 32 : c;
+}
+APT_CONST APT_HOT
+static inline int isspace_ascii_inline(int const c)
+{
+   // 9='\t',10='\n',11='\v',12='\f',13='\r',32=' '
+   return (c >= 9 && c <= 13) || c == ' ';
+}
+

 std::string StripEpoch(const std::string &VerStr);
 
 #define APT_MKSTRCMP(name,func) \
 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);};
+inline APT_PURE int name(const char *A,const char *B) {return func(A,A+strlen(A),B,B+strlen(B));} \
+inline APT_PURE int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));} \
+inline APT_PURE int name(const std::string& A,const char *B) {return func(A.c_str(),A.c_str()+A.length(),B,B+strlen(B));} \
+inline APT_PURE 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 APT_PURE 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) \
 
 #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);};
+inline APT_PURE int name(const char *A,const char *AEnd,const char *B) {return func(A,AEnd,B,B+strlen(B));} \
+inline APT_PURE int name(const std::string& A,const char *B) {return func(A.begin(),A.end(),B,B+strlen(B));} \
+inline APT_PURE int name(const std::string& A,const std::string& B) {return func(A.begin(),A.end(),B.begin(),B.end());} \
+inline APT_PURE 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);
+int APT_PURE stringcmp(const char *A,const char *AEnd,const char *B,const char *BEnd);
+int APT_PURE 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
 
 /* 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,
+int APT_PURE stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,

              const char *B,const char *BEnd);
              const char *B,const char *BEnd);

-int stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+int APT_PURE stringcmp(std::string::const_iterator A,std::string::const_iterator AEnd,

              std::string::const_iterator B,std::string::const_iterator BEnd);
              std::string::const_iterator B,std::string::const_iterator BEnd);

-int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+int APT_PURE stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,

                  const char *B,const char *BEnd);
                  const char *B,const char *BEnd);

-int stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,
+int APT_PURE stringcasecmp(std::string::const_iterator A,std::string::const_iterator AEnd,

                   std::string::const_iterator B,std::string::const_iterator BEnd);
 
                   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));};
+inline APT_PURE int stringcmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcmp(A,Aend,B,B+strlen(B));}
+inline APT_PURE int stringcasecmp(std::string::const_iterator A,std::string::const_iterator Aend,const char *B) {return stringcasecmp(A,Aend,B,B+strlen(B));}

 #endif
 
 #endif
 

-APT_MKSTRCMP2(stringcmp,stringcmp);
-APT_MKSTRCMP2(stringcasecmp,stringcasecmp);
+APT_MKSTRCMP2(stringcmp,stringcmp)
+APT_MKSTRCMP2(stringcasecmp,stringcasecmp)

 
 // Return the length of a NULL-terminated string array
 
 // Return the length of a NULL-terminated string array

-size_t strv_length(const char **str_array);
+size_t APT_PURE strv_length(const char **str_array);

 
 
 
 

-inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);};
+inline const char *DeNull(const char *s) {return (s == 0?"(null)":s);}

 
 class URI
 {
    void CopyFrom(const std::string &From);
 
 class URI
 {
    void CopyFrom(const std::string &From);

-                
+

    public:
    public:

-   
+

    std::string Access;
    std::string User;
    std::string Password;
    std::string Access;
    std::string User;
    std::string Password;


@@ -159,13 +215,14 @@ class URI
    unsigned int Port;
    
    operator std::string();
    unsigned int Port;
    
    operator std::string();

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

    inline bool empty() {return Access.empty();};
    static std::string SiteOnly(const std::string &URI);
    inline bool empty() {return Access.empty();};
    static std::string SiteOnly(const std::string &URI);

+   static std::string ArchiveOnly(const std::string &URI);

    static std::string NoUserPassword(const std::string &URI);
    
    static std::string NoUserPassword(const std::string &URI);
    

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

 };
 
 struct SubstVar
 };
 
 struct SubstVar