source: trunk/FACT++/src/Readline.h@ 13952

Last change on this file since 13952 was 13899, checked in by tbretz, 13 years ago
Made the script depth static to be able to access it from dimctrl; added it to the command-log
File size: 4.6 KB
Line 
1#ifndef FACT_Readline
2#define FACT_Readline
3
4#include <map>
5#include <string>
6#include <vector>
7#include <fstream>
8
9class Readline
10{
11public:
12 static bool RedirectionWrapper(std::ostream &out, bool (*function)());
13
14protected:
15 /// A pointer to the unique instance of Readline to let the static
16 /// functions used as callback for readline call member function
17 /// with an object. This makes overwriting easier.
18 static Readline *This;
19
20private:
21 std::string fName; /// Filename for the history file compiled in the constructor
22 int fMaxLines; /// Maximum number of lines in the history file
23
24 std::ofstream fCommandLog;
25
26 std::string fLastLine; /// Last line adde to history
27
28 int fLine;
29 int fSection;
30 int fLabel;
31 static int fScriptDepth;
32 static bool fStopScript;
33 static std::string fScript;
34
35 /// Static member function which are used to adapt readline to ncurses
36 static int rl_ncurses_getc(FILE *);
37 static int rl_ncurses_startup();
38 static void rl_ncurses_redisplay();
39 static int rl_ncurses_event_hook();
40 static void rl_ncurses_completion_display(char **matches, int num, int max);
41 static char **rl_ncurses_completion_function(const char *text, int start, int end);
42 static char *CompleteImp(const char* text, int state);
43
44
45protected:
46 /// The non static implementations of the callback funtions above
47 virtual int Getc(FILE *);
48 virtual void Startup();
49 virtual void EventHook();
50 virtual void Shutdown(const char *buf);
51 virtual void Redisplay();
52 virtual void CompletionDisplay(char **matches, int num, int max);
53
54 /// Functions dealing with auto completion
55 virtual char *Complete(const char* text, int state);
56 virtual char **Completion(const char *text, int start, int end);
57
58 /// Pointer to a list of possible matched for auto-completion
59 const std::vector<std::string> *fCompletion;
60 void SetCompletion(const std::vector<std::string> *v) { fCompletion = v; }
61 char **Complete(const std::vector<std::string> &v, const char *text);
62
63 ///
64 virtual void SetSection(int) { }
65 virtual void PrintReadlineError(const std::string &str);
66
67public:
68 Readline(const char *prgname);
69 virtual ~Readline();
70
71 // Access to readline
72 void BindKeySequence(const char *seq, int (*func)(int, int));
73
74 static bool DumpVariables();
75 static bool DumpFunctions();
76 static bool DumpFunmap();
77 static bool DumpHistory();
78
79 virtual bool PrintGeneralHelp();
80 virtual bool PrintCommands();
81 virtual bool PrintKeyBindings();
82
83 // History functions
84 std::string GetName() const { return fName; }
85
86 void AddToHistory(const std::string &str, int skip=2);
87 static bool ClearHistory();
88 std::vector<const char*> GetHistory() const;
89
90 void SetMaxSize(int lines) { fMaxLines = lines; }
91
92 // Prompting
93 void UpdatePrompt(const std::string &prompt) const;
94 void UpdatePrompt() const { UpdatePrompt(GetUpdatePrompt()); }
95
96 virtual bool PreProcess(const std::string &str);
97 virtual bool Process(const std::string &str);
98 virtual std::string GetUpdatePrompt() const { return ""; }
99 virtual bool PromptEOF(std::string &str);
100 virtual std::string Prompt(const std::string &prompt);
101 virtual void Run(const char *prompt=0);
102 static void Stop();
103 virtual bool ExecuteShellCommand(const std::string &cmd);
104 int Execute(const std::string &fname, const std::map<std::string,std::string> &args=std::map<std::string,std::string>());
105 bool IsStopped() const;
106 void ProcessLine(const std::string &str);
107 void SetLabel(int l) { fLabel = l; }
108 static void StopScript() { fStopScript = true; }
109 static bool IsScriptStopped() { return fStopScript; }
110 static int GetScriptDepth() { return fScriptDepth; }
111
112 static std::string GetScript() { return fScript; }
113
114 int GetLine() const { return fLine; }
115 virtual std::string GetLinePrompt() const;
116
117 // Helper
118 static char *Compare(const std::string &str, const std::string &txt);
119 static char **CompletionMatches(const char *text, char *(*func)(const char*, int));
120
121 // I/O Streams
122 static FILE *SetStreamOut(FILE *f);
123 static FILE *SetStreamIn(FILE *f);
124
125 // Other global readline variables
126 static std::string GetPrompt();
127 static std::string GetBuffer();
128 static int GetAbsCursor();
129 static int GetCursor();
130 static int GetBufferLength();
131 static int GetLineLength();
132
133 // Screen size
134 static void Resize();
135 static void Resize(int w, int h);
136 int GetCols() const;
137 int GetRows() const;
138
139 static Readline *Instance() { return This; }
140};
141
142#endif
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