X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/f45fd56b58a71f2827eb8b4f96333782d84b7b63..d27daedb6a0bf672508072100f20233d08ccf0e0:/apt-pkg/deb/debrecords.cc

diff --git a/apt-pkg/deb/debrecords.cc b/apt-pkg/deb/debrecords.cc
index 5b8538a46..beaa83bd9 100644
--- a/apt-pkg/deb/debrecords.cc
+++ b/apt-pkg/deb/debrecords.cc
@@ -8,135 +8,161 @@
    ##################################################################### */
 									/*}}}*/
 // Include Files							/*{{{*/
+#include <config.h>
+
 #include <apt-pkg/debrecords.h>
+#include <apt-pkg/debindexfile.h>
 #include <apt-pkg/strutl.h>
-#include <apt-pkg/error.h>
 #include <apt-pkg/aptconfiguration.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/cacheiterators.h>
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/tagfile.h>
+#include <apt-pkg/error.h>
+
+#include <string.h>
+#include <algorithm>
+#include <sstream>
+#include <string>
+#include <vector>
 #include <langinfo.h>
+
+#include <apti18n.h>
 									/*}}}*/
 
+using std::string;
+
 // RecordParser::debRecordParser - Constructor				/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-debRecordParser::debRecordParser(string FileName,pkgCache &Cache) : 
-                  File(FileName,FileFd::ReadOnly), 
-                  Tags(&File,Cache.Head().MaxVerFileSize + 200)
+debRecordParser::debRecordParser(string FileName,pkgCache &Cache) :
+   debRecordParserBase(), d(NULL), File(FileName, FileFd::ReadOnly, FileFd::Extension),
+   Tags(&File, std::max(Cache.Head().MaxVerFileSize, Cache.Head().MaxDescFileSize) + 200)
 {
 }
 									/*}}}*/
 // RecordParser::Jump - Jump to a specific record			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
 bool debRecordParser::Jump(pkgCache::VerFileIterator const &Ver)
 {
+   if (Ver.end() == true)
+      return false;
    return Tags.Jump(Section,Ver->Offset);
 }
 bool debRecordParser::Jump(pkgCache::DescFileIterator const &Desc)
 {
+   if (Desc.end() == true)
+      return false;
    return Tags.Jump(Section,Desc->Offset);
 }
 									/*}}}*/
-// RecordParser::FileName - Return the archive filename on the site	/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::FileName()
+debRecordParser::~debRecordParser() {}
+
+debRecordParserBase::debRecordParserBase() : Parser(), d(NULL) {}
+// RecordParserBase::FileName - Return the archive filename on the site	/*{{{*/
+string debRecordParserBase::FileName()
 {
    return Section.FindS("Filename");
 }
 									/*}}}*/
-// RecordParser::Name - Return the package name				/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::Name()
+// RecordParserBase::Name - Return the package name			/*{{{*/
+string debRecordParserBase::Name()
 {
-   return Section.FindS("Package");
+   string Result = Section.FindS("Package");
+
+   // Normalize mixed case package names to lower case, like dpkg does
+   // See Bug#807012 for details
+   std::transform(Result.begin(), Result.end(), Result.begin(), tolower_ascii);
+
+   return Result;
 }
 									/*}}}*/
-// RecordParser::Homepage - Return the package homepage		       	/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::Homepage()
+// RecordParserBase::Homepage - Return the package homepage		/*{{{*/
+string debRecordParserBase::Homepage()
 {
    return Section.FindS("Homepage");
 }
 									/*}}}*/
-// RecordParser::MD5Hash - Return the archive hash			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::MD5Hash()
+// RecordParserBase::Hashes - return the available archive hashes	/*{{{*/
+HashStringList debRecordParserBase::Hashes() const
 {
-   return Section.FindS("MD5Sum");
+   HashStringList hashes;
+   for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+   {
+      std::string const hash = Section.FindS(*type);
+      if (hash.empty() == false)
+	 hashes.push_back(HashString(*type, hash));
+   }
+   return hashes;
 }
 									/*}}}*/
-// RecordParser::SHA1Hash - Return the archive hash			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::SHA1Hash()
+// RecordParserBase::Maintainer - Return the maintainer email		/*{{{*/
+string debRecordParserBase::Maintainer()
 {
-   return Section.FindS("SHA1");
+   return Section.FindS("Maintainer");
 }
 									/*}}}*/
-// RecordParser::SHA1Hash - Return the archive hash			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::SHA256Hash()
+// RecordParserBase::RecordField - Return the value of an arbitrary field	/*{{*/
+string debRecordParserBase::RecordField(const char *fieldName)
 {
-   return Section.FindS("SHA256");
+   return Section.FindS(fieldName);
 }
 									/*}}}*/
-// RecordParser::Maintainer - Return the maintainer email		/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::Maintainer()
+// RecordParserBase::ShortDesc - Return a 1 line description		/*{{{*/
+string debRecordParserBase::ShortDesc(std::string const &lang)
 {
-   return Section.FindS("Maintainer");
-}
-									/*}}}*/
-// RecordParser::ShortDesc - Return a 1 line description		/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::ShortDesc()
-{
-   string Res = LongDesc();
-   string::size_type Pos = Res.find('\n');
+   string const Res = LongDesc(lang);
+   if (Res.empty() == true)
+      return "";
+   string::size_type const Pos = Res.find('\n');
    if (Pos == string::npos)
       return Res;
    return string(Res,0,Pos);
 }
 									/*}}}*/
-// RecordParser::LongDesc - Return a longer description			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::LongDesc()
+// RecordParserBase::LongDesc - Return a longer description		/*{{{*/
+string debRecordParserBase::LongDesc(std::string const &lang)
 {
-  string orig, dest;
-
-  if (!Section.FindS("Description").empty())
-     orig = Section.FindS("Description").c_str();
-  else
-  {
-     vector<string> const lang = APT::Configuration::getLanguages();
-     for (vector<string>::const_iterator l = lang.begin();
-	  orig.empty() && l != lang.end(); l++)
-	orig = Section.FindS(string("Description-").append(*l).c_str());
-  }
-
-  char const * const codeset = nl_langinfo(CODESET);
-  if (strcmp(codeset,"UTF-8") != 0) {
-     UTF8ToCodeset(codeset, orig, &dest);
-     orig = dest;
-   }    
-  
+   string orig;
+   if (lang.empty() == true)
+   {
+      std::vector<string> const lang = APT::Configuration::getLanguages();
+      for (std::vector<string>::const_iterator l = lang.begin();
+	    l != lang.end(); ++l)
+      {
+	 std::string const tagname = "Description-" + *l;
+	 orig = Section.FindS(tagname.c_str());
+	 if (orig.empty() == false)
+	    break;
+	 else if (*l == "en")
+	 {
+	    orig = Section.FindS("Description");
+	    if (orig.empty() == false)
+	       break;
+	 }
+      }
+      if (orig.empty() == true)
+	 orig = Section.FindS("Description");
+   }
+   else
+   {
+      std::string const tagname = "Description-" + lang;
+      orig = Section.FindS(tagname.c_str());
+      if (orig.empty() == true && lang == "en")
+	 orig = Section.FindS("Description");
+   }
+
+   char const * const codeset = nl_langinfo(CODESET);
+   if (strcmp(codeset,"UTF-8") != 0) {
+      string dest;
+      UTF8ToCodeset(codeset, orig, &dest);
+      return dest;
+   }
+
    return orig;
 }
 									/*}}}*/
 
-static const char *SourceVerSeparators = " ()";
-
-// RecordParser::SourcePkg - Return the source package name if any	/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::SourcePkg()
+static const char * const SourceVerSeparators = " ()";
+// RecordParserBase::SourcePkg - Return the source package name if any	/*{{{*/
+string debRecordParserBase::SourcePkg()
 {
    string Res = Section.FindS("Source");
    string::size_type Pos = Res.find_first_of(SourceVerSeparators);
@@ -145,10 +171,8 @@ string debRecordParser::SourcePkg()
    return string(Res,0,Pos);
 }
 									/*}}}*/
-// RecordParser::SourceVer - Return the source version number if present	/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::SourceVer()
+// RecordParserBase::SourceVer - Return the source version number if present	/*{{{*/
+string debRecordParserBase::SourceVer()
 {
    string Pkg = Section.FindS("Source");
    string::size_type Pos = Pkg.find_first_of(SourceVerSeparators);
@@ -168,11 +192,35 @@ string debRecordParser::SourceVer()
      return string(Pkg, VerStart, VerEnd - VerStart);
 }
 									/*}}}*/
-// RecordParser::GetRec - Return the whole record			/*{{{*/
-// ---------------------------------------------------------------------
-/* */
-void debRecordParser::GetRec(const char *&Start,const char *&Stop)
+// RecordParserBase::GetRec - Return the whole record			/*{{{*/
+void debRecordParserBase::GetRec(const char *&Start,const char *&Stop)
 {
    Section.GetSection(Start,Stop);
 }
 									/*}}}*/
+debRecordParserBase::~debRecordParserBase() {}
+
+bool debDebFileRecordParser::LoadContent()
+{
+   // load content only once
+   if (controlContent.empty() == false)
+      return true;
+
+   std::ostringstream content;
+   if (debDebPkgFileIndex::GetContent(content, debFileName) == false)
+      return false;
+   // add two newlines to make sure the scanner finds the section,
+   // which is usually done by pkgTagFile automatically if needed.
+   content << "\n\n";
+
+   controlContent = content.str();
+   if (Section.Scan(controlContent.c_str(), controlContent.length()) == false)
+      return _error->Error(_("Unable to parse package file %s (%d)"), debFileName.c_str(), 3);
+   return true;
+}
+bool debDebFileRecordParser::Jump(pkgCache::VerFileIterator const &) { return LoadContent(); }
+bool debDebFileRecordParser::Jump(pkgCache::DescFileIterator const &) { return LoadContent(); }
+std::string debDebFileRecordParser::FileName() { return debFileName; }
+
+debDebFileRecordParser::debDebFileRecordParser(std::string FileName) : debRecordParserBase(), d(NULL), debFileName(FileName) {}
+debDebFileRecordParser::~debDebFileRecordParser() {}