diff options
Diffstat (limited to 'apt-pkg/tagfile.cc')
| -rw-r--r-- | apt-pkg/tagfile.cc | 46 |
1 files changed, 25 insertions, 21 deletions
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc index 7a263c2b7..3a3a3a04a 100644 --- a/apt-pkg/tagfile.cc +++ b/apt-pkg/tagfile.cc @@ -17,6 +17,7 @@ #include <apt-pkg/error.h> #include <apt-pkg/strutl.h> #include <apt-pkg/fileutl.h> +#include <apt-pkg/string_view.h> #include <list> @@ -30,6 +31,7 @@ /*}}}*/ using std::string; +using APT::StringView; class APT_HIDDEN pkgTagFilePrivate /*{{{*/ { @@ -607,7 +609,7 @@ void pkgTagSection::Trim() } /*}}}*/ // TagSection::Exists - return True if a tag exists /*{{{*/ -bool pkgTagSection::Exists(const char* const Tag) const +bool pkgTagSection::Exists(StringView Tag) const { unsigned int tmp; return Find(Tag, tmp); @@ -616,9 +618,10 @@ bool pkgTagSection::Exists(const char* const Tag) const // TagSection::Find - Locate a tag /*{{{*/ // --------------------------------------------------------------------- /* This searches the section for a tag that matches the given string. */ -bool pkgTagSection::Find(const char *Tag,unsigned int &Pos) const +bool pkgTagSection::Find(StringView TagView,unsigned int &Pos) const { - size_t const Length = strlen(Tag); + const char * const Tag = TagView.data(); + size_t const Length = TagView.length(); unsigned int Bucket = AlphaIndexes[AlphaHash(Tag, Length)]; if (Bucket == 0) return false; @@ -639,7 +642,8 @@ bool pkgTagSection::Find(const char *Tag,unsigned int &Pos) const Pos = 0; return false; } -bool pkgTagSection::Find(const char *Tag,const char *&Start, + +bool pkgTagSection::Find(StringView Tag,const char *&Start, const char *&End) const { unsigned int Pos; @@ -658,17 +662,17 @@ bool pkgTagSection::Find(const char *Tag,const char *&Start, } /*}}}*/ // TagSection::FindS - Find a string /*{{{*/ -string pkgTagSection::FindS(const char *Tag) const +StringView pkgTagSection::Find(StringView Tag) const { const char *Start; const char *End; if (Find(Tag,Start,End) == false) - return string(); - return string(Start,End); + return StringView(); + return StringView(Start, End - Start); } /*}}}*/ // TagSection::FindRawS - Find a string /*{{{*/ -string pkgTagSection::FindRawS(const char *Tag) const +StringView pkgTagSection::FindRaw(StringView Tag) const { unsigned int Pos; if (Find(Tag, Pos) == false) @@ -682,13 +686,13 @@ string pkgTagSection::FindRawS(const char *Tag) const for (; isspace_ascii(End[-1]) != 0 && End > Start; --End); - return std::string(Start, End - Start); + return StringView(Start, End - Start); } /*}}}*/ // TagSection::FindI - Find an integer /*{{{*/ // --------------------------------------------------------------------- /* */ -signed int pkgTagSection::FindI(const char *Tag,signed long Default) const +signed int pkgTagSection::FindI(StringView Tag,signed long Default) const { const char *Start; const char *Stop; @@ -718,7 +722,7 @@ signed int pkgTagSection::FindI(const char *Tag,signed long Default) const // TagSection::FindULL - Find an unsigned long long integer /*{{{*/ // --------------------------------------------------------------------- /* */ -unsigned long long pkgTagSection::FindULL(const char *Tag, unsigned long long const &Default) const +unsigned long long pkgTagSection::FindULL(StringView Tag, unsigned long long const &Default) const { const char *Start; const char *Stop; @@ -742,7 +746,7 @@ unsigned long long pkgTagSection::FindULL(const char *Tag, unsigned long long co // TagSection::FindB - Find boolean value /*{{{*/ // --------------------------------------------------------------------- /* */ -bool pkgTagSection::FindB(const char *Tag, bool const &Default) const +bool pkgTagSection::FindB(StringView Tag, bool Default) const { const char *Start, *Stop; if (Find(Tag, Start, Stop) == false) @@ -753,7 +757,7 @@ bool pkgTagSection::FindB(const char *Tag, bool const &Default) const // TagSection::FindFlag - Locate a yes/no type flag /*{{{*/ // --------------------------------------------------------------------- /* The bits marked in Flag are masked on/off in Flags */ -bool pkgTagSection::FindFlag(const char * const Tag, uint8_t &Flags, +bool pkgTagSection::FindFlag(StringView Tag, uint8_t &Flags, uint8_t const Flag) const { const char *Start; @@ -781,7 +785,7 @@ bool pkgTagSection::FindFlag(uint8_t &Flags, uint8_t const Flag, } return true; } -bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags, +bool pkgTagSection::FindFlag(StringView Tag,unsigned long &Flags, unsigned long Flag) const { const char *Start; @@ -839,13 +843,13 @@ pkgTagSection::Tag pkgTagSection::Tag::Rewrite(std::string const &Name, std::str else return Tag(REWRITE, Name, Data); } -static bool WriteTag(FileFd &File, std::string Tag, std::string const &Value) +static bool WriteTag(FileFd &File, std::string Tag, StringView Value) { if (Value.empty() || isspace_ascii(Value[0]) != 0) Tag.append(":"); else Tag.append(": "); - Tag.append(Value); + Tag.append(Value.data(), Value.length()); Tag.append("\n"); return File.Write(Tag.c_str(), Tag.length()); } @@ -865,7 +869,7 @@ static bool RewriteTags(FileFd &File, pkgTagSection const * const This, char con } else if(R->Action == pkgTagSection::Tag::RENAME && R->Data.length() == TagLen && strncasecmp(R->Data.c_str(), Tag, R->Data.length()) == 0) - data = This->FindRawS(R->Name.c_str()); + data = This->FindRaw(R->Name.c_str()).to_string(); else continue; @@ -889,7 +893,7 @@ bool pkgTagSection::Write(FileFd &File, char const * const * const Order, std::v if (Exists(Order[I]) == false) continue; - if (WriteTag(File, Order[I], FindRawS(Order[I])) == false) + if (WriteTag(File, Order[I], FindRaw(Order[I])) == false) return false; } } @@ -919,7 +923,7 @@ bool pkgTagSection::Write(FileFd &File, char const * const * const Order, std::v if (R != Rewrite.end()) continue; - if (WriteTag(File, name, FindRawS(name.c_str())) == false) + if (WriteTag(File, name, FindRaw(name)) == false) return false; } } @@ -943,7 +947,7 @@ bool pkgTagSection::Write(FileFd &File, char const * const * const Order, std::v continue; } - if (WriteTag(File, name, ((R->Action == Tag::RENAME) ? FindRawS(R->Name.c_str()) : R->Data)) == false) + if (WriteTag(File, name, ((R->Action == Tag::RENAME) ? FindRaw(R->Name) : R->Data)) == false) return false; } return true; @@ -1007,7 +1011,7 @@ bool TFRewrite(FILE *Output,pkgTagSection const &Tags,const char *Order[], // See if it is in the fragment unsigned Pos; - if (Tags.Find(Order[I],Pos) == false) + if (Tags.Find(StringView(Order[I]),Pos) == false) continue; Visited[Pos] |= 1; |