create directory for extended_states if needed

[apt.git] / apt-pkg / deb / debrecords.cc

diff --git a/apt-pkg/deb/debrecords.cc b/apt-pkg/deb/debrecords.cc
index 5eb2d67bb9d63408170eb9ff04122dc1810249cb..b41aa558407466d20be8f6e8283480902598384a 100644 (file)
--- a/apt-pkg/deb/debrecords.cc
+++ b/apt-pkg/deb/debrecords.cc
@@ -8,21 +8,32 @@
    ##################################################################### */
                                                                        /*}}}*/
 // Include Files                                                       /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/debrecords.h"
-#endif
+#include <config.h>
+
 #include <apt-pkg/debrecords.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 <string.h>
+#include <algorithm>
+#include <string>
+#include <vector>
 #include <langinfo.h>
                                                                        /*}}}*/
 
+using std::string;
+
 // RecordParser::debRecordParser - Constructor                         /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 debRecordParser::debRecordParser(string FileName,pkgCache &Cache) : 
-                  File(FileName,FileFd::ReadOnly), 
-                  Tags(&File,Cache.Head().MaxVerFileSize + 200)
+                  File(FileName,FileFd::ReadOnly, FileFd::Extension),
+                  Tags(&File, std::max(Cache.Head().MaxVerFileSize, 
+                                      Cache.Head().MaxDescFileSize) + 200)
 {
 }
                                                                        /*}}}*/
@@ -54,20 +65,25 @@ string debRecordParser::Name()
    return Section.FindS("Package");
 }
                                                                        /*}}}*/
-// RecordParser::MD5Hash - Return the archive hash                     /*{{{*/
+// RecordParser::Homepage - Return the package homepage                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-string debRecordParser::MD5Hash()
+string debRecordParser::Homepage()
 {
-   return Section.FindS("MD5Sum");
+   return Section.FindS("Homepage");
 }
                                                                        /*}}}*/
-// RecordParser::SHA1Hash - Return the archive hash                    /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string debRecordParser::SHA1Hash()
+// RecordParser::Hashes - return the available archive hashes          /*{{{*/
+HashStringList debRecordParser::Hashes() const
 {
-   return Section.FindS("SHA1");
+   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::Maintainer - Return the maintainer email              /*{{{*/
@@ -78,13 +94,24 @@ string debRecordParser::Maintainer()
    return Section.FindS("Maintainer");
 }
                                                                        /*}}}*/
+// RecordParser::RecordField - Return the value of an arbitrary field       /*{{*/
+// ---------------------------------------------------------------------
+/* */
+string debRecordParser::RecordField(const char *fieldName)
+{
+   return Section.FindS(fieldName);
+}
+
+                                                                        /*}}}*/
 // RecordParser::ShortDesc - Return a 1 line description               /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-string debRecordParser::ShortDesc()
+string debRecordParser::ShortDesc(std::string const &lang)
 {
-   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);
@@ -93,36 +120,85 @@ string debRecordParser::ShortDesc()
 // RecordParser::LongDesc - Return a longer description                        /*{{{*/
 // ---------------------------------------------------------------------
 /* */
-string debRecordParser::LongDesc()
+string debRecordParser::LongDesc(std::string const &lang)
 {
-  string orig, dest;
-  char *codeset = nl_langinfo(CODESET);
+   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");
+   }
 
-  if (!Section.FindS("Description").empty())
-     orig = Section.FindS("Description").c_str();
-  else 
-     orig = Section.FindS(("Description-" + pkgIndexFile::LanguageCode()).c_str()).c_str();
+   char const * const codeset = nl_langinfo(CODESET);
+   if (strcmp(codeset,"UTF-8") != 0) {
+      string dest;
+      UTF8ToCodeset(codeset, orig, &dest);
+      return dest;
+   }
 
-  if (strcmp(codeset,"UTF-8") != 0) {
-     UTF8ToCodeset(codeset, orig, &dest);
-     orig = dest;
-   }    
-  
    return orig;
 }
                                                                        /*}}}*/
+
+static const char *SourceVerSeparators = " ()";
+
 // RecordParser::SourcePkg - Return the source package name if any     /*{{{*/
 // ---------------------------------------------------------------------
 /* */
 string debRecordParser::SourcePkg()
 {
    string Res = Section.FindS("Source");
-   string::size_type Pos = Res.find(' ');
+   string::size_type Pos = Res.find_first_of(SourceVerSeparators);
    if (Pos == string::npos)
       return Res;
    return string(Res,0,Pos);
 }
                                                                        /*}}}*/
+// RecordParser::SourceVer - Return the source version number if present       /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+string debRecordParser::SourceVer()
+{
+   string Pkg = Section.FindS("Source");
+   string::size_type Pos = Pkg.find_first_of(SourceVerSeparators);
+   if (Pos == string::npos)
+      return "";
+
+   string::size_type VerStart = Pkg.find_first_not_of(SourceVerSeparators, Pos);
+   if(VerStart == string::npos)
+     return "";
+
+   string::size_type VerEnd = Pkg.find_first_of(SourceVerSeparators, VerStart);
+   if(VerEnd == string::npos)
+     // Corresponds to the case of, e.g., "foo (1.2" without a closing
+     // paren.  Be liberal and guess what it means.
+     return string(Pkg, VerStart);
+   else
+     return string(Pkg, VerStart, VerEnd - VerStart);
+}
+                                                                       /*}}}*/
 // RecordParser::GetRec - Return the whole record                      /*{{{*/
 // ---------------------------------------------------------------------
 /* */
@@ -131,3 +207,5 @@ void debRecordParser::GetRec(const char *&Start,const char *&Stop)
    Section.GetSection(Start,Stop);
 }
                                                                        /*}}}*/
+
+debRecordParser::~debRecordParser() {}