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-rw-r--r--apt-pkg/srcrecords.cc152
1 files changed, 152 insertions, 0 deletions
diff --git a/apt-pkg/srcrecords.cc b/apt-pkg/srcrecords.cc
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+// -*- mode: cpp; mode: fold -*-
+// Description /*{{{*/
+/* ######################################################################
+
+ Source Package Records - Allows access to source package records
+
+ Parses and allows access to the list of source records and searching by
+ source name on that list.
+
+ ##################################################################### */
+ /*}}}*/
+// Include Files /*{{{*/
+#include <config.h>
+
+#include <apt-pkg/debsrcrecords.h>
+#include <apt-pkg/error.h>
+#include <apt-pkg/indexfile.h>
+#include <apt-pkg/macros.h>
+#include <apt-pkg/metaindex.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/srcrecords.h>
+
+#include <cstring>
+#include <string>
+#include <vector>
+
+#include <apti18n.h>
+ /*}}}*/
+
+// SrcRecords::pkgSrcRecords - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* Open all the source index files */
+pkgSrcRecords::pkgSrcRecords(pkgSourceList &List) : d(NULL), Files(0)
+{
+ for (pkgSourceList::const_iterator I = List.begin(); I != List.end(); ++I)
+ {
+ std::vector<pkgIndexFile *> *Indexes = (*I)->GetIndexFiles();
+ for (std::vector<pkgIndexFile *>::const_iterator J = Indexes->begin();
+ J != Indexes->end(); ++J)
+ {
+ _error->PushToStack();
+ Parser* P = (*J)->CreateSrcParser();
+ bool const newError = _error->PendingError();
+ _error->MergeWithStack();
+ if (newError)
+ return;
+ if (P != 0)
+ Files.push_back(P);
+ }
+ }
+
+ // Doesn't work without any source index files
+ if (Files.empty() == true)
+ {
+ _error->Error(_("You must put some 'deb-src' URIs"
+ " in your sources.list"));
+ return;
+ }
+
+ Restart();
+}
+ /*}}}*/
+// SrcRecords::~pkgSrcRecords - Destructor /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+pkgSrcRecords::~pkgSrcRecords()
+{
+ // Blow away all the parser objects
+ for(std::vector<Parser*>::iterator I = Files.begin(); I != Files.end(); ++I)
+ delete *I;
+}
+ /*}}}*/
+// SrcRecords::Restart - Restart the search /*{{{*/
+// ---------------------------------------------------------------------
+/* Return all of the parsers to their starting position */
+bool pkgSrcRecords::Restart()
+{
+ Current = Files.begin();
+ for (std::vector<Parser*>::iterator I = Files.begin();
+ I != Files.end(); ++I)
+ if ((*I)->Offset() != 0)
+ (*I)->Restart();
+
+ return true;
+}
+ /*}}}*/
+// SrcRecords::Step - Step to the next Source Record /*{{{*/
+// ---------------------------------------------------------------------
+/* Step to the next source package record */
+const pkgSrcRecords::Parser* pkgSrcRecords::Step()
+{
+ if (Current == Files.end())
+ return 0;
+
+ // Step to the next record, possibly switching files
+ while ((*Current)->Step() == false)
+ {
+ ++Current;
+ if (Current == Files.end())
+ return 0;
+ }
+
+ return *Current;
+}
+ /*}}}*/
+// SrcRecords::Find - Find the first source package with the given name /*{{{*/
+// ---------------------------------------------------------------------
+/* This searches on both source package names and output binary names and
+ returns the first found. A 'cursor' like system is used to allow this
+ function to be called multiple times to get successive entries */
+pkgSrcRecords::Parser *pkgSrcRecords::Find(const char *Package,bool const &SrcOnly)
+{
+ while (true)
+ {
+ if(Step() == 0)
+ return 0;
+
+ // Source name hit
+ if ((*Current)->Package() == Package)
+ return *Current;
+
+ if (SrcOnly == true)
+ continue;
+
+ // Check for a binary hit
+ const char **I = (*Current)->Binaries();
+ for (; I != 0 && *I != 0; ++I)
+ if (strcmp(Package,*I) == 0)
+ return *Current;
+ }
+}
+ /*}}}*/
+// Parser::BuildDepType - Convert a build dep to a string /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+const char *pkgSrcRecords::Parser::BuildDepType(unsigned char const &Type)
+{
+ const char *fields[] = {"Build-Depends",
+ "Build-Depends-Indep",
+ "Build-Conflicts",
+ "Build-Conflicts-Indep",
+ "Build-Depends-Arch",
+ "Build-Conflicts-Arch"};
+ if (unlikely(Type >= sizeof(fields)/sizeof(fields[0])))
+ return "";
+ return fields[Type];
+}
+ /*}}}*/
+
+
+pkgSrcRecords::Parser::Parser(const pkgIndexFile *Index) : d(NULL), iIndex(Index) {}
+pkgSrcRecords::Parser::~Parser() {}