[BREAK] add possibility to download and use multiply

Translation files, configurable with Acquire::Languages
accessable with APT::Configuration::getLanguages() and
as always with documentation in apt.conf.
The commit also includes a very very simple testapp.

5 files changed, 55 insertions, 25 deletions

diff --git a/apt-pkg/deb/debindexfile.cc b/apt-pkg/deb/debindexfile.cc
index ed7633803..5beb83665 100644
--- a/apt-pkg/deb/debindexfile.cc
+++ b/apt-pkg/deb/debindexfile.cc
@@ -319,10 +319,11 @@ pkgCache::PkgFileIterator debPackagesIndex::FindInCache(pkgCache &Cache) const
 // TranslationsIndex::debTranslationsIndex - Contructor			/*{{{*/
 // ---------------------------------------------------------------------
 /* */
-debTranslationsIndex::debTranslationsIndex(string URI,string Dist,string Section) : 
-                  pkgIndexFile(true), URI(URI), Dist(Dist), Section(Section)
-{
-}
+debTranslationsIndex::debTranslationsIndex(string URI,string Dist,string Section,
+						char const * const Translation) :
+			pkgIndexFile(true), URI(URI), Dist(Dist), Section(Section),
+				Language(Translation)
+{}
 									/*}}}*/
 // TranslationIndex::Trans* - Return the URI to the translation files	/*{{{*/
 // ---------------------------------------------------------------------
@@ -355,8 +356,8 @@ string debTranslationsIndex::IndexURI(const char *Type) const
 bool debTranslationsIndex::GetIndexes(pkgAcquire *Owner) const
 {
    if (TranslationsAvailable()) {
-     string TranslationFile = "Translation-" + LanguageCode();
-     new pkgAcqIndexTrans(Owner, IndexURI(LanguageCode().c_str()),
+     string const TranslationFile = string("Translation-").append(Language);
+     new pkgAcqIndexTrans(Owner, IndexURI(Language),
 			  Info(TranslationFile.c_str()),
 			  TranslationFile);
    }
@@ -375,7 +376,7 @@ string debTranslationsIndex::Describe(bool Short) const
       snprintf(S,sizeof(S),"%s",Info(TranslationFile().c_str()).c_str());
    else
       snprintf(S,sizeof(S),"%s (%s)",Info(TranslationFile().c_str()).c_str(),
-	       IndexFile(LanguageCode().c_str()).c_str());
+	       IndexFile(Language).c_str());
    return S;
 }
 									/*}}}*/
@@ -397,20 +398,20 @@ string debTranslationsIndex::Info(const char *Type) const
    return Info;
 }
 									/*}}}*/
-bool debTranslationsIndex::HasPackages() const
+bool debTranslationsIndex::HasPackages() const				/*{{{*/
 {
    if(!TranslationsAvailable())
       return false;
    
-   return FileExists(IndexFile(LanguageCode().c_str()));
+   return FileExists(IndexFile(Language));
 }
-
+									/*}}}*/
 // TranslationsIndex::Exists - Check if the index is available		/*{{{*/
 // ---------------------------------------------------------------------
 /* */
 bool debTranslationsIndex::Exists() const
 {
-   return FileExists(IndexFile(LanguageCode().c_str()));
+   return FileExists(IndexFile(Language));
 }
 									/*}}}*/
 // TranslationsIndex::Size - Return the size of the index		/*{{{*/
@@ -419,7 +420,7 @@ bool debTranslationsIndex::Exists() const
 unsigned long debTranslationsIndex::Size() const
 {
    struct stat S;
-   if (stat(IndexFile(LanguageCode().c_str()).c_str(),&S) != 0)
+   if (stat(IndexFile(Language).c_str(),&S) != 0)
       return 0;
    return S.st_size;
 }
@@ -430,7 +431,7 @@ unsigned long debTranslationsIndex::Size() const
 bool debTranslationsIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
 {
    // Check the translation file, if in use
-   string TranslationFile = IndexFile(LanguageCode().c_str());
+   string TranslationFile = IndexFile(Language);
    if (TranslationsAvailable() && FileExists(TranslationFile))
    {
      FileFd Trans(TranslationFile,FileFd::ReadOnly);
@@ -462,7 +463,7 @@ bool debTranslationsIndex::Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const
 /* */
 pkgCache::PkgFileIterator debTranslationsIndex::FindInCache(pkgCache &Cache) const
 {
-   string FileName = IndexFile(LanguageCode().c_str());
+   string FileName = IndexFile(Language);
    
    pkgCache::PkgFileIterator File = Cache.FileBegin();
    for (; File.end() == false; File++)
diff --git a/apt-pkg/deb/debindexfile.h b/apt-pkg/deb/debindexfile.h
index b0012c96b..c0e8d7d8e 100644
--- a/apt-pkg/deb/debindexfile.h
+++ b/apt-pkg/deb/debindexfile.h
@@ -77,12 +77,13 @@ class debTranslationsIndex : public pkgIndexFile
    string URI;
    string Dist;
    string Section;
+   const char * const Language;
    
    string Info(const char *Type) const;
    string IndexFile(const char *Type) const;
    string IndexURI(const char *Type) const;
 
-   inline string TranslationFile() const {return "Translation-" + LanguageCode();};
+   inline string TranslationFile() const {return string("Translation-").append(Language);};
 
    public:
    
@@ -99,7 +100,7 @@ class debTranslationsIndex : public pkgIndexFile
    virtual bool Merge(pkgCacheGenerator &Gen,OpProgress &Prog) const;
    virtual pkgCache::PkgFileIterator FindInCache(pkgCache &Cache) const;
 
-   debTranslationsIndex(string URI,string Dist,string Section);
+   debTranslationsIndex(string URI,string Dist,string Section, char const * const Language);
 };
 
 class debSourcesIndex : public pkgIndexFile
diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 517b771a5..16e6ee332 100644
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -13,6 +13,7 @@
 #include <apt-pkg/deblistparser.h>
 #include <apt-pkg/error.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/crc-16.h>
 #include <apt-pkg/md5.h>
@@ -129,10 +130,11 @@ bool debListParser::NewVersion(pkgCache::VerIterator Ver)
    only describe package properties */
 string debListParser::Description()
 {
-   if (DescriptionLanguage().empty())
+   string const lang = DescriptionLanguage();
+   if (lang.empty())
       return Section.FindS("Description");
    else
-      return Section.FindS(("Description-" + pkgIndexFile::LanguageCode()).c_str());
+      return Section.FindS(string("Description-").append(lang).c_str());
 }
                                                                         /*}}}*/
 // ListParser::DescriptionLanguage - Return the description lang string	/*{{{*/
@@ -142,7 +144,16 @@ string debListParser::Description()
    assumed to describe original description. */
 string debListParser::DescriptionLanguage()
 {
-   return Section.FindS("Description").empty() ? pkgIndexFile::LanguageCode() : "";
+   if (Section.FindS("Description").empty() == false)
+      return "";
+
+   std::vector<string> const lang = APT::Configuration::getLanguages();
+   for (std::vector<string>::const_iterator l = lang.begin();
+	l != lang.end(); l++)
+      if (Section.FindS(string("Description-").append(*l).c_str()).empty() == false)
+	 return *l;
+
+   return "";
 }
                                                                         /*}}}*/
 // ListParser::Description - Return the description_md5 MD5SumValue	/*{{{*/
diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc
index f3ab6960c..8f28f053b 100644
--- a/apt-pkg/deb/debmetaindex.cc
+++ b/apt-pkg/deb/debmetaindex.cc
@@ -5,6 +5,7 @@
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/acquire-item.h>
 #include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
 #include <apt-pkg/error.h>
 
 using namespace std;
@@ -170,13 +171,19 @@ bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool GetAll) const
 		     new indexRecords (Dist));
 
    // Queue the translations
+   std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
    for (vector<const debSectionEntry *>::const_iterator I = SectionEntries.begin(); 
 	I != SectionEntries.end(); I++) {
 
       if((*I)->IsSrc)
 	 continue;
-      debTranslationsIndex i = debTranslationsIndex(URI,Dist,(*I)->Section);
-      i.GetIndexes(Owner);
+
+      for (vector<string>::const_iterator l = lang.begin();
+		l != lang.end(); l++)
+      {
+	debTranslationsIndex i = debTranslationsIndex(URI,Dist,(*I)->Section,(*l).c_str());
+	i.GetIndexes(Owner);
+      }
    }
 
    return true;
@@ -202,6 +209,7 @@ vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()
       return Indexes;
 
    Indexes = new vector <pkgIndexFile*>;
+   std::vector<std::string> const lang = APT::Configuration::getLanguages(true);
    for (vector<const debSectionEntry *>::const_iterator I = SectionEntries.begin(); 
 	I != SectionEntries.end(); I++) {
       if ((*I)->IsSrc)
@@ -209,7 +217,10 @@ vector <pkgIndexFile *> *debReleaseIndex::GetIndexFiles()
       else 
       {
          Indexes->push_back(new debPackagesIndex (URI, Dist, (*I)->Section, IsTrusted()));
-	 Indexes->push_back(new debTranslationsIndex(URI, Dist, (*I)->Section));
+
+	 for (vector<string>::const_iterator l = lang.begin();
+		l != lang.end(); l++)
+	    Indexes->push_back(new debTranslationsIndex(URI,Dist,(*I)->Section,(*l).c_str()));
       }
    }
 
diff --git a/apt-pkg/deb/debrecords.cc b/apt-pkg/deb/debrecords.cc
index 8ed0bb7eb..5b8538a46 100644
--- a/apt-pkg/deb/debrecords.cc
+++ b/apt-pkg/deb/debrecords.cc
@@ -11,6 +11,7 @@
 #include <apt-pkg/debrecords.h>
 #include <apt-pkg/strutl.h>
 #include <apt-pkg/error.h>
+#include <apt-pkg/aptconfiguration.h>
 #include <langinfo.h>
 									/*}}}*/
 
@@ -109,13 +110,18 @@ string debRecordParser::ShortDesc()
 string debRecordParser::LongDesc()
 {
   string orig, dest;
-  char *codeset = nl_langinfo(CODESET);
 
   if (!Section.FindS("Description").empty())
      orig = Section.FindS("Description").c_str();
-  else 
-     orig = Section.FindS(("Description-" + pkgIndexFile::LanguageCode()).c_str()).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;