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1 /* $Id: FileCrawlerT.h,v 1.6 2004/02/26 08:56:02 paklein Exp $ */
2
3 #ifndef _FILE_CRAWLER_T_H_
4 #define _FILE_CRAWLER_T_H_
5
6 #include "Environment.h"
7
8 /* direct members */
9 #include "ArrayT.h"
10 #include "StringT.h"
11
12 #include "ios_fwd_decl.h"
13
14 namespace Tahoe {
15
16 /* forward declarations */
17 class ifstreamT;
18 class StringT;
19
20 /** run one file or a tree of files. Gives console prompt
21 * for a file name which can be either a "job" file or a "batch"
22 * file depending on the leading character. Lines beginning with
23 * '-' are assumed to be application specific commands, which
24 * are passed to derived classes for handling. */
25 class FileCrawlerT
26 {
27 public:
28
29 /** constructor */
30 FileCrawlerT(int argc, char* argv[], char job_char, char batch_char);
31
32 /** destructor */
33 virtual ~FileCrawlerT(void);
34
35 /** prompt input files until "quit" */
36 virtual void Run(void);
37
38 protected:
39
40 /** application-specific job execution */
41 virtual void RunJob(ifstreamT& in, ostream& status) = 0;
42
43 /** handle batch file command */
44 virtual void BatchFileCommand(const StringT& command, ifstreamT& batch) = 0;
45
46 /** batch file processing */
47 virtual void RunBatch(ifstreamT& in, ostream& status);
48
49 /** returns the index of the requested option */
50 bool CommandLineOption(const char* str) const;
51 bool CommandLineOption(const char* str, int& index) const;
52 void AddCommandLineOption(const char* str);
53
54 /** recursive dispatch */
55 virtual void JobOrBatch(ifstreamT& in, ostream& status);
56
57 protected:
58
59 /* filetype character codes */
60 char fJobChar;
61 char fBatchChar;
62
63 /* command line arguments */
64 ArrayT<StringT> fCommandLineOptions;
65
66 private:
67
68 /* batch file recursion depth - safety */
69 int fRecursionDepth;
70 };
71
72 /* inlines */
73 inline bool FileCrawlerT::CommandLineOption(const char* str) const
74 {
75 int index;
76 return CommandLineOption(str, index);
77 }
78
79 } // namespace Tahoe
80 #endif /* _FILE_CRAWLER_T_H_ */
81
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