Open 0.5.31

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

diff --git a/apt-pkg/deb/deblistparser.cc b/apt-pkg/deb/deblistparser.cc
index 269b474b737b1ce6df090c2223ca89ed9a1e346d..cf81690e2c216c332a3b0a4a017d9e075033863b 100644 (file)
--- a/apt-pkg/deb/deblistparser.cc
+++ b/apt-pkg/deb/deblistparser.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: deblistparser.cc,v 1.27 2001/07/26 06:15:59 jgg Exp $
+// $Id: deblistparser.cc,v 1.29 2003/09/22 04:16:26 mdz Exp $
 /* ######################################################################
    
    Package Cache Generator - Generator for the cache structure.
@@ -268,11 +268,7 @@ bool debListParser::ParseStatus(pkgCache::PkgIterator Pkg,
    
    return true;
 }
-                                                                       /*}}}*/
-// ListParser::ParseDepends - Parse a dependency element               /*{{{*/
-// ---------------------------------------------------------------------
-/* This parses the dependency elements out of a standard string in place,
-   bit by bit. */
+
 const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
 {
    // Determine the operator
@@ -331,6 +327,11 @@ const char *debListParser::ConvertRelation(const char *I,unsigned int &Op)
    return I;
 }
 
+                                                                       /*}}}*/
+// ListParser::ParseDepends - Parse a dependency element               /*{{{*/
+// ---------------------------------------------------------------------
+/* This parses the dependency elements out of a standard string in place,
+   bit by bit. */
 const char *debListParser::ParseDepends(const char *Start,const char *Stop,
                                        string &Package,string &Ver,
                                        unsigned int &Op, bool ParseArchFlags)
@@ -391,7 +392,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
    if (ParseArchFlags == true)
    {
       string arch = _config->Find("APT::Architecture");
-      
+
       // Parse an architecture
       if (I != Stop && *I == '[')
       {
@@ -402,6 +403,7 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
         
          const char *End = I;
          bool Found = false;
+        bool NegArch = false;
          while (I != Stop) 
         {
             // look for whitespace or ending ']'
@@ -410,7 +412,13 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
         
            if (End == Stop) 
               return 0;
-           
+
+           if (*I == '!')
+            {
+              NegArch = true;
+              I++;
+            }
+
            if (stringcmp(arch,I,End) == 0)
               Found = true;
            
@@ -422,8 +430,11 @@ const char *debListParser::ParseDepends(const char *Start,const char *Stop,
            I = End;
            for (;I != Stop && isspace(*I) != 0; I++);
          }
+
+        if (NegArch)
+           Found = !Found;
         
-         if (Found == false) 
+         if (Found == false)
            Package = ""; /* not for this arch */
       }