From 81e9789b12374073e848c73c79e235f82c14df44 Mon Sep 17 00:00:00 2001 From: Michael Vogt Date: Tue, 9 Jun 2009 17:33:22 +0200 Subject: [ABI break] support '#' in apt.conf and /etc/apt/preferences (closes: #189866) --- apt-pkg/contrib/configuration.cc | 2 +- apt-pkg/init.h | 2 +- apt-pkg/makefile | 2 +- apt-pkg/policy.cc | 18 ++++++++++++++++-- apt-pkg/tagfile.cc | 21 ++++++++++++++++----- apt-pkg/tagfile.h | 5 ++++- 6 files changed, 39 insertions(+), 11 deletions(-) (limited to 'apt-pkg') diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc index a82311a3f..80584d3ea 100644 --- a/apt-pkg/contrib/configuration.cc +++ b/apt-pkg/contrib/configuration.cc @@ -582,7 +582,7 @@ bool ReadConfigFile(Configuration &Conf,const string &FName,bool AsSectional, if (InQuote == true) continue; - if (*I == '/' && I + 1 != End && I[1] == '/') + if ((*I == '/' && I + 1 != End && I[1] == '/') || *I == '#') { End = I; break; diff --git a/apt-pkg/init.h b/apt-pkg/init.h index 6d8693be9..165299253 100644 --- a/apt-pkg/init.h +++ b/apt-pkg/init.h @@ -18,7 +18,7 @@ // See the makefile #define APT_PKG_MAJOR 4 -#define APT_PKG_MINOR 6 +#define APT_PKG_MINOR 8 #define APT_PKG_RELEASE 0 extern const char *pkgVersion; diff --git a/apt-pkg/makefile b/apt-pkg/makefile index 087f17740..059f8532b 100644 --- a/apt-pkg/makefile +++ b/apt-pkg/makefile @@ -13,7 +13,7 @@ include ../buildlib/defaults.mak # methods/makefile - FIXME LIBRARY=apt-pkg LIBEXT=$(GLIBC_VER)$(LIBSTDCPP_VER) -MAJOR=4.7 +MAJOR=4.8 MINOR=0 SLIBS=$(PTHREADLIB) $(INTLLIBS) -lutil APT_DOMAIN:=libapt-pkg$(MAJOR) diff --git a/apt-pkg/policy.cc b/apt-pkg/policy.cc index 8b083fd44..98576fc91 100644 --- a/apt-pkg/policy.cc +++ b/apt-pkg/policy.cc @@ -239,7 +239,21 @@ signed short pkgPolicy::GetPriority(pkgCache::PkgIterator const &Pkg) return 0; } /*}}}*/ - +// PreferenceSection class - Overriding the default TrimRecord method /*{{{*/ +// --------------------------------------------------------------------- +/* The preference file is a user generated file so the parser should + therefore be a bit more friendly by allowing comments and new lines + all over the place rather than forcing a special format */ +class PreferenceSection : public pkgTagSection +{ + void TrimRecord(bool BeforeRecord, const char* &End) + { + for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r' || Stop[0] == '#'); Stop++) + if (Stop[0] == '#') + Stop = (const char*) memchr(Stop,'\n',End-Stop); + } +}; + /*}}}*/ // ReadPinFile - Load the pin file into a Policy /*{{{*/ // --------------------------------------------------------------------- /* I'd like to see the preferences file store more than just pin information @@ -259,7 +273,7 @@ bool ReadPinFile(pkgPolicy &Plcy,string File) if (_error->PendingError() == true) return false; - pkgTagSection Tags; + PreferenceSection Tags; while (TF.Step(Tags) == true) { string Name = Tags.FindS("Package"); diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc index 893cb8ee7..7c5d15a58 100644 --- a/apt-pkg/tagfile.cc +++ b/apt-pkg/tagfile.cc @@ -81,7 +81,7 @@ bool pkgTagFile::Resize() End = Start + EndSize; return true; } - + /*}}}*/ // TagFile::Step - Advance to the next section /*{{{*/ // --------------------------------------------------------------------- /* If the Section Scanner fails we refill the buffer and try again. @@ -212,10 +212,12 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength) if (Stop == 0) return false; - + TagCount = 0; while (TagCount+1 < sizeof(Indexes)/sizeof(Indexes[0]) && Stop < End) { + TrimRecord(true,End); + // Start a new index and add it to the hash if (isspace(Stop[0]) == 0) { @@ -227,14 +229,14 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength) if (Stop == 0) return false; - + for (; Stop+1 < End && Stop[1] == '\r'; Stop++); // Double newline marks the end of the record if (Stop+1 < End && Stop[1] == '\n') { Indexes[TagCount] = Stop - Section; - for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r'); Stop++); + TrimRecord(false,End); return true; } @@ -244,6 +246,16 @@ bool pkgTagSection::Scan(const char *Start,unsigned long MaxLength) return false; } /*}}}*/ +// TagSection::TrimRecord - Trim off any garbage before/after a record /*{{{*/ +// --------------------------------------------------------------------- +/* There should be exactly 2 newline at the end of the record, no more. */ +void pkgTagSection::TrimRecord(bool BeforeRecord, const char*& End) +{ + if (BeforeRecord == true) + return; + for (; Stop < End && (Stop[0] == '\n' || Stop[0] == '\r'); Stop++); +} + /*}}}*/ // TagSection::Trim - Trim off any trailing garbage /*{{{*/ // --------------------------------------------------------------------- /* There should be exactly 1 newline at the end of the buffer, no more. */ @@ -390,7 +402,6 @@ bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags, return true; } /*}}}*/ - // TFRewrite - Rewrite a control record /*{{{*/ // --------------------------------------------------------------------- /* This writes the control record to stdout rewriting it as necessary. The diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h index 6536932dd..321329a23 100644 --- a/apt-pkg/tagfile.h +++ b/apt-pkg/tagfile.h @@ -27,7 +27,6 @@ class pkgTagSection { const char *Section; - const char *Stop; // We have a limit of 256 tags per section. unsigned int Indexes[256]; @@ -35,6 +34,9 @@ class pkgTagSection unsigned int TagCount; + protected: + const char *Stop; + public: inline bool operator ==(const pkgTagSection &rhs) {return Section == rhs.Section;}; @@ -49,6 +51,7 @@ class pkgTagSection bool Scan(const char *Start,unsigned long MaxLength); inline unsigned long size() const {return Stop - Section;}; void Trim(); + virtual void TrimRecord(bool BeforeRecord, const char* &End); inline unsigned int Count() const {return TagCount;}; inline void Get(const char *&Start,const char *&Stop,unsigned int I) const -- cgit v1.2.3