headers/private/debugger/files/SourceFile.h

   1 /*
   2  * Copyright 2009, Ingo Weinhold, ingo_weinhold@gmx.de.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef SOURCE_FILE_H
   6 #define SOURCE_FILE_H
   7
   8 #include <Referenceable.h>
   9
  10
  11 class SourceFile;
  12
  13
  14 class SourceFileOwner {
  15 public:
  16         virtual                                         ~SourceFileOwner();
  17
  18         virtual void                            SourceFileUnused(SourceFile* sourceFile) = 0;
  19         virtual void                            SourceFileDeleted(SourceFile* sourceFile) = 0;
  20 };
  21
  22
  23
  24 class SourceFile : public BReferenceable {
  25 public:
  26                                                                 SourceFile(SourceFileOwner* owner);
  27                                                                 ~SourceFile();
  28
  29                         status_t                        Init(const char* path);
  30
  31                         int32                           CountLines() const;
  32                         const char*                     LineAt(int32 index) const;
  33                         int32                           LineLengthAt(int32 index) const;
  34
  35 protected:
  36         virtual void                            LastReferenceReleased();
  37
  38 private:
  39                         SourceFileOwner*        fOwner;
  40                         char*                           fFileContent;
  41                         int32*                          fLineOffsets;
  42                         int32                           fLineCount;
  43 };
  44
  45
  46
  47 #endif  // SOURCE_FILE_H