1: /*************************************************************************
2: * (C) 2010 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
6: * $Id: aitcli.h,v 1.1.1.1.2.8 2010/04/28 13:54:45 misho Exp $
7: *
8: *************************************************************************/
9: #ifndef __AITCLI_H
10: #define __AITCLI_H
11:
12:
13: struct tagCLICmd {
14: const char *cmd_name;
15: int (*cmd_func)(void *, int, FILE *, char **);
16: const char *cmd_doc;
17: const char *cmd_help;
18: char *(*cmd_comp)(const char *, int);
19: };
20:
21: typedef struct tagCLICmd cliCommands_t;
22: typedef char *cli_CompEntry_t(const char *, int);
23: typedef char **cli_Completion_t(const char *, int, int);
24:
25:
26: // cli_GetErrno() Get error code of last operation
27: inline int cli_GetErrno();
28: // cli_GetError() Get error text of last operation
29: inline const char *cli_GetError();
30:
31: /*
32: * cli_Printf() Printf CLI features
33: * @out = Output stream
34: * @csFormat = Printf format string
35: * return: -1 error, != -1 printed chars
36: */
37: inline int cli_Printf(FILE *out, const char *csFormat, ...);
38:
39: /*
40: * cliNetInit() Initialize Readline if CLI bind to socket
41: * @csProg = program name
42: * @pty = Master pty
43: * @term = stdin termios
44: * return: none
45: */
46: void cliNetInit(const char *csProg, int pty, struct termios *term);
47: /*
48: * cliTTY() Initialize I/O TTY CLI features
49: * @term = terminal name
50: * @inp = input handle
51: * @out = output handle
52: * @win = window size
53: * return: -1 error, != -1 ok
54: */
55: inline int cliTTY(const char *term, FILE *inp, FILE *out, struct winsize *win);
56: /*
57: * cliComp() Initialize completion CLI features
58: * @cmdComplete = Completion function
59: * @cmdEntry = Compentry function
60: * return: none
61: */
62: inline void cliComp(cli_Completion_t *cmdComplete, cli_CompEntry_t *cmdEntry);
63: /*
64: * cliExec() Execute CLI main loop
65: * @cmdList = Commands list
66: * @csPrompt = Prompt text
67: * return: -1 error, 0 = exit w/^+D, 1 done.
68: */
69: int cliExec(cliCommands_t *cmdList, const char *csPrompt);
70: /*
71: * cliNetExec() Execute net CLI main loop
72: * @cmdList = Commands list
73: * @csPrompt = Prompt text
74: * @sock = client socket
75: * @term = stdin termios
76: * @win = window size of tty
77: * return: -1 error, 0 = exit w/^+D, 1 done.
78: */
79: int cliNetExec(cliCommands_t *cmdList, const char *csPrompt, int sock, struct termios *term, struct winsize *win);
80:
81: /*
82: * cli_ReadHistory() Read CLI History from file
83: * @csFile = history file name, if NULL default history name is ".aitcli.history"
84: * return: -1 error; != -1 readed ok
85: */
86: inline int cli_ReadHistory(const char *csFile);
87: /*
88: * cli_WriteHistory() Write CLI History to file
89: * @csFile = history file name, if NULL default history name is ".aitcli.history"
90: * @lineNum = save number of history entry lines, if -1 all lines saved without limit
91: * return: -1 error; != -1 readed ok
92: */
93: inline int cli_WriteHistory(const char *csFile, int lineNum);
94:
95:
96: /*
97: * cli_PrintHelp() Helper print for missing command arguments
98: * @out = Output stream
99: * @cmds = Commands list
100: * @idx = Selected command ID
101: * return: -1 error, !=-1 ok
102: * return: none
103: */
104: inline int cli_PrintHelp(FILE *out, void *cmds, int idx);
105:
106: /*
107: * cli_Cmd_Unsupported() Builtin helper function for unsupported commands
108: * @cmds = Commands list
109: * @idx = Selected command ID
110: * @out = Output handle
111: * @args = Parsed arguments array
112: * return: -1 error, 0 = ok, 1 exit from Cli!
113: */
114: int cli_Cmd_Unsupported(void *cmds, int idx, FILE *out, char ** __restrict args);
115: /*
116: * cli_Cmd_Help() Builtin helper function for Help screen
117: * @cmds = Commands list
118: * @idx = Selected command ID
119: * @out = Output handle
120: * @args = Parsed arguments array
121: * return: -1 error, 0 = ok
122: */
123: int cli_Cmd_Help(void *cmds, int idx, FILE *out, char ** __restrict args);
124: /*
125: * cli_Cmd_Exit() Builtin helper function for Exit from Cli
126: * @cmds = Commands list
127: * @idx = Selected command ID
128: * @out = Output handle
129: * @args = Parsed arguments array
130: * return: 1 exit from Cli!
131: */
132: int cli_Cmd_Exit(void *cmds, int idx, FILE *out, char ** __restrict args);
133:
134:
135: /*
136: * cli_Register_Commands - Declare helper function for register and export Commands variable
137: */
138: #define CLI_REGISTER_COMMANDS(CMDS) \
139: extern cliCommands_t CMDS[];
140: /*
141: * cli_Make_Comp_Commands - Declare helper function for Commands completion arguments
142: */
143: #define CLI_MAKE_COMP_COMMANDS(FUNC, CMDS) \
144: char *FUNC(const char *text, int state) \
145: { \
146: register int i; \
147: int len = strlen(text); \
148: for (i = state; CMDS[i].cmd_name; i++) { \
149: if (strncmp(CMDS[i].cmd_name, "---", 3) && \
150: !strncmp(CMDS[i].cmd_name, text, len)) \
151: return strdup(CMDS[i].cmd_name); \
152: } \
153: return NULL; \
154: }
155:
156: /*
157: * cli_Make_Comp_Args - Declare helper function for Arguments completion
158: */
159: #define CLI_MAKE_COMP_ARGS(FUNC, ARGS) \
160: char *FUNC(const char *text __attribute__((unused)), int state) \
161: { \
162: while (ARGS[state]) \
163: return strdup(ARGS[state]); \
164: return NULL; \
165: }
166:
167: /*
168: * cli_Comp_Filename() Builtin helper function for filename completion arguments
169: * @text = Text line
170: * @state = Position state
171: * return: NULL not found filename, != NULL filename
172: */
173: char *cli_Comp_Filename(const char *text, int state);
174:
175:
176: #endif
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