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// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
// $Id: debrecords.cc,v 1.10 2001/03/13 06:51:46 jgg Exp $
/* ######################################################################
Debian Package Records - Parser for debian package records
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
#include <config.h>
#include <apt-pkg/debrecords.h>
#include <apt-pkg/strutl.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, 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)
{
return Tags.Jump(Section,Ver->Offset);
}
bool debRecordParser::Jump(pkgCache::DescFileIterator const &Desc)
{
return Tags.Jump(Section,Desc->Offset);
}
/*}}}*/
// RecordParser::FileName - Return the archive filename on the site /*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::FileName()
{
return Section.FindS("Filename");
}
/*}}}*/
// RecordParser::Name - Return the package name /*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::Name()
{
return Section.FindS("Package");
}
/*}}}*/
// RecordParser::Homepage - Return the package homepage /*{{{*/
// ---------------------------------------------------------------------
/* */
string debRecordParser::Homepage()
{
return Section.FindS("Homepage");
}
/*}}}*/
// RecordParser::Hashes - return the available archive hashes /*{{{*/
HashStringList debRecordParser::Hashes() const
{
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 /*{{{*/
// ---------------------------------------------------------------------
/* */
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(std::string const &lang)
{
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(std::string const &lang)
{
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()
{
string Res = Section.FindS("Source");
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 /*{{{*/
// ---------------------------------------------------------------------
/* */
void debRecordParser::GetRec(const char *&Start,const char *&Stop)
{
Section.GetSection(Start,Stop);
}
/*}}}*/
debRecordParser::~debRecordParser() {}