// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: debsrcrecords.cc,v 1.1 1999/04/04 01:17:29 jgg Exp $
+// $Id: debsrcrecords.cc,v 1.6 2004/03/17 05:58:54 mdz Exp $
/* ######################################################################
Debian Source Package Records - Parser implementation for Debian style
#pragma implementation "apt-pkg/debsrcrecords.h"
#endif
+#include <apt-pkg/deblistparser.h>
#include <apt-pkg/debsrcrecords.h>
#include <apt-pkg/error.h>
+#include <apt-pkg/strutl.h>
+#include <apt-pkg/configuration.h>
/*}}}*/
// SrcRecordParser::Binaries - Return the binaries field /*{{{*/
/* This member parses the binaries field into a pair of class arrays and
returns a list of strings representing all of the components of the
binaries field. The returned array need not be freed and will be
- reused by the next Binaries function call. */
+ reused by the next Binaries function call. This function is commonly
+ used during scanning to find the right package */
const char **debSrcRecordParser::Binaries()
{
+ // This should use Start/Stop too, it is supposed to be efficient after all.
string Bins = Sect.FindS("Binary");
- char *Buf = Buffer;
- unsigned int Bin = 0;
- if (Bins.empty() == true)
+ if (Bins.empty() == true || Bins.length() >= 102400)
return 0;
- // Strip any leading spaces
- string::const_iterator Start = Bins.begin();
- for (; Start != Bins.end() && isspace(*Start) != 0; Start++);
+ // Workaround for #236688. Only allocate a new buffer if the field
+ // is large, to avoid a performance penalty
+ char *BigBuf = NULL;
+ char *Buf;
+ if (Bins.length() > sizeof(Buffer))
+ {
+ BigBuf = new char[Bins.length()];
+ Buf = BigBuf;
+ }
+ else
+ {
+ Buf = Buffer;
+ }
+
+ strcpy(Buf,Bins.c_str());
+ if (TokSplitString(',',Buf,StaticBinList,
+ sizeof(StaticBinList)/sizeof(StaticBinList[0])) == false)
+ {
+ if (BigBuf != NULL)
+ delete BigBuf;
+ return 0;
+ }
+
+ if (BigBuf != NULL)
+ delete BigBuf;
+ return (const char **)StaticBinList;
+}
+ /*}}}*/
+// SrcRecordParser::BuildDepends - Return the Build-Depends information /*{{{*/
+// ---------------------------------------------------------------------
+/* This member parses the build-depends information and returns a list of
+ package/version records representing the build dependency. The returned
+ array need not be freed and will be reused by the next call to this
+ function */
+bool debSrcRecordParser::BuildDepends(vector<pkgSrcRecords::Parser::BuildDepRec> &BuildDeps, bool ArchOnly)
+{
+ unsigned int I;
+ const char *Start, *Stop;
+ BuildDepRec rec;
+ const char *fields[] = {"Build-Depends",
+ "Build-Depends-Indep",
+ "Build-Conflicts",
+ "Build-Conflicts-Indep"};
+
+ BuildDeps.clear();
- string::const_iterator Pos = Start;
- while (Pos != Bins.end())
+ for (I = 0; I < 4; I++)
{
- // Skip to the next ','
- for (; Pos != Bins.end() && *Pos != ','; Pos++);
+ if (ArchOnly && (I == 1 || I == 3))
+ continue;
+
+ if (Sect.Find(fields[I], Start, Stop) == false)
+ continue;
+
+ while (1)
+ {
+ Start = debListParser::ParseDepends(Start, Stop,
+ rec.Package,rec.Version,rec.Op,true);
+
+ if (Start == 0)
+ return _error->Error("Problem parsing dependency: %s", fields[I]);
+ rec.Type = I;
+
+ if (rec.Package != "")
+ BuildDeps.push_back(rec);
+
+ if (Start == Stop)
+ break;
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
+// SrcRecordParser::Files - Return a list of files for this source /*{{{*/
+// ---------------------------------------------------------------------
+/* This parses the list of files and returns it, each file is required to have
+ a complete source package */
+bool debSrcRecordParser::Files(vector<pkgSrcRecords::File> &List)
+{
+ List.erase(List.begin(),List.end());
+
+ string Files = Sect.FindS("Files");
+ if (Files.empty() == true)
+ return false;
+
+ // Stash the / terminated directory prefix
+ string Base = Sect.FindS("Directory");
+ if (Base.empty() == false && Base[Base.length()-1] != '/')
+ Base += '/';
+
+ // Iterate over the entire list grabbing each triplet
+ const char *C = Files.c_str();
+ while (*C != 0)
+ {
+ pkgSrcRecords::File F;
+ string Size;
+
+ // Parse each of the elements
+ if (ParseQuoteWord(C,F.MD5Hash) == false ||
+ ParseQuoteWord(C,Size) == false ||
+ ParseQuoteWord(C,F.Path) == false)
+ return _error->Error("Error parsing file record");
- // Back remove spaces
- string::const_iterator End = Pos;
- for (; End > Start && (End[-1] == ',' || isspace(End[-1]) != 0); End--);
+ // Parse the size and append the directory
+ F.Size = atoi(Size.c_str());
+ F.Path = Base + F.Path;
- // Stash the string
- memcpy(Buf,Start,End-Start);
- StaticBinList[Bin] = Buf;
- Bin++;
- Buf += End-Start;
- *Buf++ = 0;
+ // Try to guess what sort of file it is we are getting.
+ string::size_type Pos = F.Path.length()-1;
+ while (1)
+ {
+ string::size_type Tmp = F.Path.rfind('.',Pos);
+ if (Tmp == string::npos)
+ break;
+ F.Type = string(F.Path,Tmp+1,Pos-Tmp);
+
+ if (F.Type == "gz" || F.Type == "bz2")
+ {
+ Pos = Tmp-1;
+ continue;
+ }
+
+ break;
+ }
- // Advance pos
- for (; Pos != Bins.end() && (*Pos == ',' || isspace(*Pos) != 0); Pos++);
- Start = Pos;
+ List.push_back(F);
}
- StaticBinList[Bin] = 0;
- return StaticBinList;
+ return true;
}
/*}}}*/
projects / apt.git / blobdiff