1 // Copyright (c) 1996 James Clark
2 // See the file COPYING for copying permission.
3
4 #ifndef CmdLineApp_INCLUDED
5 #define CmdLineApp_INCLUDED 1
6
7 #ifdef __GNUG__
8 #pragma interface
9 #endif
10
11 #include "MessageReporter.h"
12 #include "Vector.h"
13 #include "StringOf.h"
14 #include "Boolean.h"
15 #include "CodingSystem.h"
16 #include "OutputByteStream.h"
17 #include "OutputCharStream.h"
18 #include "CodingSystemKit.h"
19
20 #ifdef SP_WIDE_SYSTEM
21 // for wchar_t
22 #include <stddef.h>
23 #endif
24
25 #ifdef SP_NAMESPACE
26 namespace SP_NAMESPACE {
27 #endif
28
29 class SP_API CmdLineApp : public MessageReporter {
30 public:
31 #ifdef SP_WIDE_SYSTEM
32 typedef wchar_t AppChar;
33 #else
34 typedef char AppChar;
35 #endif
36 CmdLineApp(const char *requiredInternalCode = 0);
37 int run(int argc, AppChar **argv);
38 virtual int processOptions(int argc, AppChar **argv, int &nextArg);
39 virtual void processOption(AppChar opt, const AppChar *arg);
40 virtual int processArguments(int argc, AppChar **files) = 0;
41 static const MessageType2 &openFileErrorMessage();
42 static const MessageType2 &closeFileErrorMessage();
43 StringC usageString();
44 const CodingSystem *codingSystem();
45 const CodingSystem *outputCodingSystem();
46 const CharsetInfo &systemCharset();
47 ConstPtr<InputCodingSystemKit> inputCodingSystemKit();
48 StringC convertInput(const AppChar *s);
49 OutputCharStream *makeStdOut();
50 OutputCharStream *makeStdErr();
51 protected:
52 virtual void registerOption(AppChar c, const AppChar *argName = 0);
53 virtual int init(int argc, AppChar **argv);
54 void resetCodingSystemKit();
55 static Boolean stringMatches(const AppChar *s, const char *key);
56 const AppChar *errorFile_;
57 const CodingSystem *outputCodingSystem_;
58 String<AppChar> optstr_;
59 Vector<const AppChar *> optArgNames_;
60 Boolean internalCharsetIsDocCharset_;
61 Ptr<CodingSystemKit> codingSystemKit_;
62 private:
63 Boolean getMessageText(const MessageFragment &, StringC &);
64 void initCodingSystem(const char *requiredInternalCode);
65 const CodingSystem *lookupCodingSystem(const AppChar *codingName);
66 const CodingSystem *codingSystem_;
67 };
68
69 #ifdef SP_WIDE_SYSTEM
70 #define SP_DEFINE_APP(CLASS) \
71 extern "C" \
72 wmain(int argc, wchar_t **argv) { CLASS app; return app.run(argc, argv); }
73 #else
74 #define SP_DEFINE_APP(CLASS) \
75 int main(int argc, char **argv) { CLASS app; return app.run(argc, argv); }
76 #endif
77
78 inline
codingSystem()79 const CodingSystem *CmdLineApp::codingSystem()
80 {
81 return codingSystem_;
82 }
83
84 inline
outputCodingSystem()85 const CodingSystem *CmdLineApp::outputCodingSystem()
86 {
87 return outputCodingSystem_;
88 }
89
90 inline
inputCodingSystemKit()91 ConstPtr<InputCodingSystemKit> CmdLineApp::inputCodingSystemKit()
92 {
93 return codingSystemKit_.pointer();
94 }
95
96 inline
systemCharset()97 const CharsetInfo &CmdLineApp::systemCharset()
98 {
99 return codingSystemKit_->systemCharset();
100 }
101
102 #ifdef SP_NAMESPACE
103 }
104 #endif
105
106 #endif /* not CmdLineApp_INCLUDED */
107