#include <cstring>
#include <vector>
#include <iostream>
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+#include <apt-pkg/string_view.h>
+#endif
#include <time.h>
#include <stddef.h>
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);
}
}
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);
+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 bool StrToTime(const std::string &Val,time_t &Result);
+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);
+bool Base256ToNum(const char *Str,unsigned long long &Res,unsigned int Len);
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
-std::vector<std::string> VectorizeString(std::string const &haystack, char const &split) APT_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.
*
- * \param sep The seperator to use.
+ * \param sep The separator to use.
*
* \param maxsplit (optional) The maximum amount of splitting that
* should be done .
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);
-int tolower_ascii(int const c) APT_CONST APT_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 == ' ';
+}
+
+// StringViewCompareFast - awkward attempt to optimize cache generation /*{{{*/
+#ifdef APT_PKG_EXPOSE_STRING_VIEW
+/**
+ * \brief Faster comparison for string views (compare size before data)
+ *
+ * Still stable, but faster than the normal ordering.
+ * As this is used for package comparison this *MUST* be case insensitive,
+ * as the alternative is to lower case all dependency fields which is slow. */
+static inline int StringViewCompareFast(APT::StringView a, APT::StringView b) {
+ if (a.size() != b.size())
+ return a.size() - b.size();
+ auto l(a.data()), r(b.data());
+ for (auto e(a.size()), i(decltype(e)(0)); i != e; ++i)
+ if (tolower_ascii_inline(l[i]) != tolower_ascii_inline(r[i]))
+ return tolower_ascii(l[i]) < tolower_ascii(r[i]) ? -1 : 1;
+ return 0;
+}
+#endif
+ /*}}}*/
+
+
std::string StripEpoch(const std::string &VerStr);
#define APT_MKSTRCMP(name,func) \
class URI
{
void CopyFrom(const std::string &From);
-
+
public:
-
+
std::string Access;
std::string User;
std::string Password;
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 ArchiveOnly(const std::string &URI);
static std::string NoUserPassword(const std::string &URI);
URI(std::string Path) {CopyFrom(Path);}