Checked the size of partial files #33705

[apt.git] / apt-pkg / tagfile.h

diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h
index 446b5bf1200515a5c7732441836765dad7fbd07a..82c856f8d01bf012b50c983dbfa9398feb1b0e2f 100644 (file)
--- a/apt-pkg/tagfile.h
+++ b/apt-pkg/tagfile.h
@@ -1,6 +1,6 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: tagfile.h,v 1.5 1998/07/16 06:08:40 jgg Exp $
+// $Id: tagfile.h,v 1.13 1998/12/14 02:23:47 jgg Exp $
 /* ######################################################################
 
    Fast scanner for RFC-822 type header information
@@ -8,7 +8,7 @@
    This parser handles Debian package files (and others). Their form is
    RFC-822 type header fields in groups seperated by a blank line.
    
-   The parser reads the and provides methods to step linearly
+   The parser reads the file and provides methods to step linearly
    over it or to jump to a pre-recorded start point and read that record.
    
    A second class is used to perform pre-parsing of the record. It works
@@ -34,6 +34,8 @@ class pkgTagSection
    
    // We have a limit of 256 tags per section.
    unsigned short Indexes[256];
+   unsigned short AlphaIndexes[26 + 26*26];
+   
    unsigned int TagCount;
      
    public:
@@ -42,20 +44,35 @@ class pkgTagSection
    inline bool operator !=(const pkgTagSection &rhs) {return Section != rhs.Section;};
    
    bool Find(const char *Tag,const char *&Start, const char *&End);
+   string FindS(const char *Tag);
+   signed int FindI(const char *Tag,signed long Default = 0);
+   bool pkgTagSection::FindFlag(const char *Tag,unsigned long &Flags,
+                               unsigned long Flag);
    bool Scan(const char *Start,unsigned long MaxLength);
    inline unsigned long size() {return Stop - Section;};
 
+   inline unsigned int Count() {return TagCount;};
+   inline void Get(const char *&Start,const char *&Stop,unsigned int I)
+                   {Start = Section + Indexes[I]; Stop = Section + Indexes[I+1];}
+           
+   inline void GetSection(const char *&Start,const char *&Stop)
+   {
+      Start = Section;
+      Stop = this->Stop;
+   };
+   
    pkgTagSection() : Section(0), Stop(0) {};
 };
 
 class pkgTagFile
 {
-   File &Fd;
+   FileFd &Fd;
    char *Buffer;
    char *Start;
    char *End;
    unsigned long Left;
    unsigned long iOffset;
+   unsigned long Size;
    
    bool Fill();
    
@@ -63,8 +80,9 @@ class pkgTagFile
 
    bool Step(pkgTagSection &Section);
    inline unsigned long Offset() {return iOffset;};
+   bool Jump(pkgTagSection &Tag,unsigned long Offset);
    
-   pkgTagFile(File &F);
+   pkgTagFile(FileFd &F,unsigned long Size = 32*1024);
 };
 
 #endif