X-Git-Url: https://git.saurik.com/apt.git/blobdiff_plain/0a8a80e58374771acc225fe1e08ed8e0fe0016cc..989d0c75b089862eb0962d3eca260041dc4ea5da:/apt-pkg/contrib/configuration.cc

diff --git a/apt-pkg/contrib/configuration.cc b/apt-pkg/contrib/configuration.cc
index fa07ed35a..1c58b9881 100644
--- a/apt-pkg/contrib/configuration.cc
+++ b/apt-pkg/contrib/configuration.cc
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description								/*{{{*/
-// $Id: configuration.cc,v 1.8 1998/10/22 04:56:45 jgg Exp $
+// $Id: configuration.cc,v 1.13 1999/07/02 23:17:00 jgg Exp $
 /* ######################################################################
 
    Configuration Class
@@ -17,7 +17,7 @@
 #endif
 #include <apt-pkg/configuration.h>
 #include <apt-pkg/error.h>
-#include <strutl.h>
+#include <apt-pkg/strutl.h>
 
 #include <stdio.h>
 #include <fstream.h>
@@ -43,10 +43,17 @@ Configuration::Item *Configuration::Lookup(Item *Head,const char *S,
    int Res = 1;
    Item *I = Head->Child;
    Item **Last = &Head->Child;
-   for (; I != 0; Last = &I->Next, I = I->Next)
-      if ((Res = stringcasecmp(I->Tag.begin(),I->Tag.end(),S,S + Len)) == 0)
-	 break;
    
+   // Empty strings match nothing. They are used for lists.
+   if (Len != 0)
+   {
+      for (; I != 0; Last = &I->Next, I = I->Next)
+	 if ((Res = stringcasecmp(I->Tag.begin(),I->Tag.end(),S,S + Len)) == 0)
+	    break;
+   }
+   else
+      for (; I != 0; Last = &I->Next, I = I->Next);
+      
    if (Res == 0)
       return I;
    if (Create == false)
@@ -73,7 +80,7 @@ Configuration::Item *Configuration::Lookup(const char *Name,bool Create)
    const char *End = Start + strlen(Name);
    const char *TagEnd = Name;
    Item *Itm = Root;
-   for (; End - TagEnd > 2; TagEnd++)
+   for (; End - TagEnd >= 2; TagEnd++)
    {
       if (TagEnd[0] == ':' && TagEnd[1] == ':')
       {
@@ -84,6 +91,13 @@ Configuration::Item *Configuration::Lookup(const char *Name,bool Create)
       }
    }   
 
+   // This must be a trailing ::, we create unique items in a list
+   if (End - Start == 0)
+   {
+      if (Create == false)
+	 return 0;
+   }
+   
    Itm = Lookup(Itm,Start,End - Start,Create);
    return Itm;
 }
@@ -212,6 +226,31 @@ bool Configuration::Exists(const char *Name)
    return true;
 }
 									/*}}}*/
+// Configuration::Dump - Dump the config				/*{{{*/
+// ---------------------------------------------------------------------
+/* Dump the entire configuration space */
+void Configuration::Dump()
+{
+   /* Write out all of the configuration directives by walking the 
+      configuration tree */
+   const Configuration::Item *Top = _config->Tree(0);
+   for (; Top != 0;)
+   {
+      clog << Top->FullTag() << " \"" << Top->Value << "\";" << endl;
+      
+      if (Top->Child != 0)
+      {
+	 Top = Top->Child;
+	 continue;
+      }
+      
+      while (Top != 0 && Top->Next == 0)
+	 Top = Top->Parent;
+      if (Top != 0)
+	 Top = Top->Next;
+   }   
+}
+									/*}}}*/
 
 // Configuration::Item::FullTag - Return the fully scoped tag		/*{{{*/
 // ---------------------------------------------------------------------
@@ -237,6 +276,8 @@ bool ReadConfigFile(Configuration &Conf,string FName)
    
    char Buffer[300];
    string LineBuffer;
+   string Stack[100];
+   unsigned int StackPos = 0;
    
    // Parser state
    string ParentTag;
@@ -267,8 +308,14 @@ bool ReadConfigFile(Configuration &Conf,string FName)
       }
       
       // Discard single line comments
+      bool InQuote = false;
       for (char *I = Buffer; *I != 0; I++)
       {
+	 if (*I == '"')
+	    InQuote = !InQuote;
+	 if (InQuote == true)
+	    continue;
+	 
 	 if (*I == '/' && I[1] == '/')
          {
 	    *I = 0;
@@ -279,6 +326,11 @@ bool ReadConfigFile(Configuration &Conf,string FName)
       // Look for multi line comments
       for (char *I = Buffer; *I != 0; I++)
       {
+	 if (*I == '"')
+	    InQuote = !InQuote;
+	 if (InQuote == true)
+	    continue;
+	 
 	 if (*I == '/' && I[1] == '*')
          {
 	    InComment = true;
@@ -326,11 +378,10 @@ bool ReadConfigFile(Configuration &Conf,string FName)
 	    // Move up a tag
 	    if (TermChar == '}')
 	    {
-	       string::size_type Pos = ParentTag.rfind("::");
-	       if (Pos == string::npos)
+	       if (StackPos == 0)
 		  ParentTag = string();
 	       else
-		  ParentTag = string(ParentTag,0,Pos);
+		  ParentTag = Stack[--StackPos];
 	    }
 	    
 	    // Syntax Error
@@ -341,20 +392,16 @@ bool ReadConfigFile(Configuration &Conf,string FName)
 	       continue;
 
 	    // Parse off the tag
-	    string::size_type Pos = LineBuffer.find(' ');
-	    if (Pos == string::npos)
-	    {
-	       if (TermChar == '{')
-		  Pos = LineBuffer.length();
-	       else
-		  return _error->Error("Syntax error %s:%u: Tag with no value",FName.c_str(),CurLine);
-	    }
+	    string Tag;
+	    const char *Pos = LineBuffer.c_str();
+	    if (ParseQuoteWord(Pos,Tag) == false)
+	       return _error->Error("Syntax error %s:%u: Malformed Tag",FName.c_str(),CurLine);	    
 	    
-	    string Tag = string(LineBuffer,0,Pos);
-
 	    // Go down a level
 	    if (TermChar == '{')
 	    {
+	       if (StackPos <= 100)
+		  Stack[StackPos++] = ParentTag;
 	       if (ParentTag.empty() == true)
 		  ParentTag = Tag;
 	       else
@@ -362,28 +409,27 @@ bool ReadConfigFile(Configuration &Conf,string FName)
 	       Tag = string();
 	    }
 
-	    // We dont have a value to set
-	    if (Pos == LineBuffer.length())
+	    // Parse off the word
+	    string Word;
+	    if (ParseCWord(Pos,Word) == false)
 	    {
-	       LineBuffer = string();
-	       continue;
+	       if (TermChar != '{')
+	       {
+		  Word = Tag;
+		  Tag = "";
+	       }	       
 	    }
 	    
-	    // Parse off the word
-	    string Word;
-	    if (ParseCWord(LineBuffer.c_str()+Pos,Word) == false)
-	       return _error->Error("Syntax error %s:%u: Malformed value",FName.c_str(),CurLine);
-	       
 	    // Generate the item name
 	    string Item;
 	    if (ParentTag.empty() == true)
 	       Item = Tag;
 	    else
 	    {
-	       if (Tag.empty() == true)
-		  Item = ParentTag;
-	       else
+	       if (TermChar != '{' || Tag.empty() == false)
 		  Item = ParentTag + "::" + Tag;
+	       else
+		  Item = ParentTag;
 	    }
 	    
 	    // Set the item in the configuration class