Support Architecture: cydia packages, for giggles.

[apt-legacy.git] / apt-pkg / deb / deblistparser.cc

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 5b44800c4d66a853088fad5bf7c3cdf74bec70d7..6557e76c3dedcacd70240f378521bca7bd72a8aa 100644 (file)
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -39,6 +39,18 @@ debListParser::debListParser(FileFd *File) : Tags(File)
 // ListParser::UniqFindTagWrite - Find the tag and write a unq string  /*{{{*/
 // ---------------------------------------------------------------------
 /* */
+unsigned long debListParser::FindTagWrite(const char *Tag)
+{
+   const char *Start;
+   const char *Stop;
+   if (Section.Find(Tag,Start,Stop) == false)
+      return 0;
+   return WriteString(Start,Stop - Start);
+}
+                                                                       /*}}}*/
+// ListParser::UniqFindTagWrite - Find the tag and write a unq string  /*{{{*/
+// ---------------------------------------------------------------------
+/* */
 unsigned long debListParser::UniqFindTagWrite(const char *Tag)
 {
    const char *Start;
@@ -74,9 +86,9 @@ string debListParser::Version()
 /* */
 bool debListParser::NewVersion(pkgCache::VerIterator Ver)
 {
-   Ver->Display = UniqFindTagWrite("Name");
+   Ver->Display = FindTagWrite("Name");
    if (Ver->Display == 0)
-      Ver->Display = UniqFindTagWrite("Maemo-Display-Name");
+      Ver->Display = FindTagWrite("Maemo-Display-Name");
 
    // Parse the section
    Ver->Section = UniqFindTagWrite("Section");
@@ -94,7 +106,7 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
    const char *Stop;
    if (Section.Find("Priority",Start,Stop) == true)
    {      
-      if (GrabWord(string(Start,Stop-Start),PrioList,Ver->Priority) == false)
+      if (GrabWord(srkString(Start,Stop-Start),PrioList,Ver->Priority) == false)
         Ver->Priority = pkgCache::State::Extra;
    }
 
@@ -132,10 +144,19 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
    only describe package properties */
 string debListParser::Description()
 {
-   if (DescriptionLanguage().empty())
-      return Section.FindS("Description");
-   else
-      return Section.FindS(("Description-" + pkgIndexFile::LanguageCode()).c_str());
+   srkString description;
+   Description(description);
+   return description;
+}
+
+void debListParser::Description(srkString &Str) {
+   const char *Start, *Stop;
+   if (!Section.Find("Description", Start, Stop))
+      if (!Section.Find(("Description-" + pkgIndexFile::LanguageCode()).c_str(), Start, Stop)) {
+         Start = NULL;
+         Stop = NULL;
+      }
+   Str.assign(Start, Stop);
 }
                                                                         /*}}}*/
 // ListParser::DescriptionLanguage - Return the description lang string        /*{{{*/
@@ -145,7 +166,8 @@ string debListParser::Description()
    assumed to describe original description. */
 string debListParser::DescriptionLanguage()
 {
-   return Section.FindS("Description").empty() ? pkgIndexFile::LanguageCode() : "";
+   const char *Start, *Stop;
+   return Section.Find("Description", Start, Stop) ? std::string() : pkgIndexFile::LanguageCode();
 }
                                                                         /*}}}*/
 // ListParser::Description - Return the description_md5 MD5SumValue    /*{{{*/
@@ -156,15 +178,18 @@ string debListParser::DescriptionLanguage()
  */
 MD5SumValue debListParser::Description_md5()
 {
-   string value = Section.FindS("Description-md5");
-
-   if (value.empty()) 
+   const char *Start;
+   const char *Stop;
+   if (!Section.Find("Description-md5", Start, Stop))
    {
       MD5Summation md5;
-      md5.Add((Description() + "\n").c_str());
+      srkString description;
+      Description(description);
+      md5.Add((const unsigned char *) description.Start, description.Size);
+      md5.Add("\n");
       return md5.Result();
    } else
-      return MD5SumValue(value);
+      return MD5SumValue(srkString(Start, Stop));
 }
                                                                         /*}}}*/
 // ListParser::UsePackage - Update a package structure                 /*{{{*/
@@ -175,9 +200,9 @@ bool debListParser::UsePackage(pkgCache::PkgIterator Pkg,
                               pkgCache::VerIterator Ver)
 {
    if (Pkg->Display == 0)
-      Pkg->Display = UniqFindTagWrite("Name");
+      Pkg->Display = FindTagWrite("Name");
    if (Pkg->Display == 0)
-      Pkg->Display = UniqFindTagWrite("Maemo-Display-Name");
+      Pkg->Display = FindTagWrite("Maemo-Display-Name");
    if (Pkg->Section == 0)
       Pkg->Section = UniqFindTagWrite("Section");
    if (Section.FindFlag("Essential",Pkg->Flags,pkgCache::Flag::Essential) == false)
@@ -274,7 +299,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
                           {"deinstall",pkgCache::State::DeInstall},
                           {"purge",pkgCache::State::Purge},
                           {}};
-   if (GrabWord(string(Start,I-Start),WantList,Pkg->SelectedState) == false)
+   if (GrabWord(srkString(Start,I-Start),WantList,Pkg->SelectedState) == false)
       return _error->Error("Malformed 1st word in the Status line");
 
    // Isloate the next word
@@ -290,7 +315,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
                           {"hold",pkgCache::State::HoldInst},
                           {"hold-reinstreq",pkgCache::State::HoldReInstReq},
                           {}};
-   if (GrabWord(string(Start,I-Start),FlagList,Pkg->InstState) == false)
+   if (GrabWord(srkString(Start,I-Start),FlagList,Pkg->InstState) == false)
       return _error->Error("Malformed 2nd word in the Status line");
 
    // Isloate the last word
@@ -312,7 +337,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
                             {"post-inst-failed",pkgCache::State::HalfConfigured},
                             {"removal-failed",pkgCache::State::HalfInstalled},
                             {}};
-   if (GrabWord(string(Start,I-Start),StatusList,Pkg->CurrentState) == false)
+   if (GrabWord(srkString(Start,I-Start),StatusList,Pkg->CurrentState) == false)
       return _error->Error("Malformed 3rd word in the Status line");
 
    /* A Status line marks the package as indicating the current
@@ -397,6 +422,17 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
 const char *debListParser::ParseDepends(const char *Start,const char *Stop,
                                        string &Package,string &Ver,
                                        unsigned int &Op, bool ParseArchFlags)
+{
+   srkString cPackage, cVer;
+   const char *Value = ParseDepends(Start, Stop, cPackage, cVer, Op, ParseArchFlags);
+   Package = cPackage;
+   Ver = cVer;
+   return Value;
+}
+
+const char *debListParser::ParseDepends(const char *Start,const char *Stop,
+                                       srkString &Package,srkString &Ver,
+                                       unsigned int &Op, bool ParseArchFlags)
 {
    // Strip off leading space
    for (;Start != Stop && isspace(*Start) != 0; Start++);
@@ -497,7 +533,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
            Found = !Found;
         
          if (Found == false)
-           Package = ""; /* not for this arch */
+           Package.clear(); /* not for this arch */
       }
       
       // Skip whitespace
@@ -529,8 +565,8 @@ bool debListParser::ParseDepends(pkgCache::VerIterator Ver,
    if (Section.Find(Tag,Start,Stop) == false)
       return true;
    
-   string Package;
-   string Version;
+   srkString Package;
+   srkString Version;
    unsigned int Op;
 
    while (1)
@@ -557,8 +593,8 @@ bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
    if (Section.Find("Provides",Start,Stop) == false)
       return true;
    
-   string Package;
-   string Version;
+   srkString Package;
+   srkString Version;
    unsigned int Op;
 
    while (1)
@@ -567,7 +603,7 @@ bool debListParser::ParseProvides(pkgCache::VerIterator Ver)
       if (Start == 0)
         return _error->Error("Problem parsing Provides line");
       if (Op != pkgCache::Dep::NoOp) {
-        _error->Warning("Ignoring Provides line with DepCompareOp for package %s", Package.c_str());
+        _error->Warning("Ignoring Provides line with DepCompareOp for package %s", std::string(Package).c_str());
       } else {
         if (NewProvides(Ver,Package,Version) == false)
            return false;
@@ -624,10 +660,15 @@ bool debListParser::ParseTag(pkgCache::PkgIterator Pkg)
 // ---------------------------------------------------------------------
 /* Looks for a word in a list of words - for ParseStatus */
 bool debListParser::GrabWord(string Word,WordList *List,unsigned char &Out)
+{
+   return GrabWord(srkString(Word), List, Out);
+}
+
+bool debListParser::GrabWord(const srkString &Word,WordList *List,unsigned char &Out)
 {
    for (unsigned int C = 0; List[C].Str != 0; C++)
    {
-      if (strcasecmp(Word.c_str(),List[C].Str) == 0)
+      if (strncasecmp(Word.Start,List[C].Str,Word.Size) == 0)
       {
         Out = List[C].Val;
         return true;
@@ -665,6 +706,9 @@ bool debListParser::Step()
       if (stringcmp(Start,Stop,"all") == 0)
         return true;
 
+      if (stringcmp(Start,Stop,"cydia") == 0)
+        return true;
+
       iOffset = Tags.Offset();
    }   
    return false;