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zipprovider.cpp
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21 
22 // Standard C++ library includes
23 #include <iostream>
24 
25 // 3rd party library includes
26 
27 // FIFE includes
28 // These includes are split up in two parts, separated by one empty line
29 // First block: files included from the FIFE root src directory
30 // Second block: files included from the same folder
31 #include "util/base/exception.h"
32 #include "vfs/vfs.h"
33 
34 #include "zipprovider.h"
35 #include "zipsource.h"
36 
37 namespace FIFE {
38  bool ZipProvider::isReadable(const std::string& file) const {
39  // File name must have a .zip extension:
40  // TODO: Case sensitive?
41  if (file.find(".zip") == std::string::npos)
42  return false;
43 
44  // File should exist:
45  if (!getVFS()->exists(file))
46  return false;
47 
48  // File should start with the bytes "PK":
49  // TODO: ...
50 
51  return true;
52  }
53 
54  FIFE::VFSSource* ZipProvider::createSource(const std::string& file) const {
55  if (isReadable(file))
56  return new ZipSource(getVFS(), file);
57  else
58  throw Exception("File " + file + " is not readable.");
59  }
60 }
bool exists(const std::string &file) const
Check if the given file exists.
Definition: vfs.cpp:131
VFSSource abstract baseclass.
Definition: vfssource.h:46
bool isReadable(const std::string &file) const
Check if a given file is readable for this VFSSource.
Definition: zipprovider.cpp:38
Exception base class.
Definition: exception.h:43
Implements a Zip archive file source.
Definition: zipsource.h:46
VFSSource * createSource(const std::string &file) const
Create a new instance of a VFSSource initialized with the given file.
Definition: zipprovider.cpp:54