huwcampbell.com
Reactos
1/*
2 * PROJECT: ReactOS DiskPart
3 * LICENSE: GPL - See COPYING in the top level directory
4 * FILE: base/system/diskpart/help.c
5 * PURPOSE: Manages all the partitions of the OS in an interactive way.
6 * PROGRAMMERS: Lee Schroeder
7 */
8
9#include "diskpart.h"
10
11/*
12 * HelpCommandList():
13 * shows all the available commands and basic descriptions for diskpart
14 */
15VOID
16HelpCommandList(VOID)
17{
18 PCOMMAND cmdptr;
19 WCHAR szFormat[64];
20 WCHAR szOutput[256];
21
22 K32LoadStringW(GetModuleHandle(NULL), IDS_HELP_FORMAT_STRING, szFormat, ARRAYSIZE(szFormat));
23
24 /* Print the header information */
25 ConResPuts(StdOut, IDS_APP_HEADER);
26 ConPuts(StdOut, L"\n");
27
28 /* List all the commands and the basic descriptions */
29 for (cmdptr = cmds; cmdptr->cmd1; cmdptr++)
30 {
31 if ((cmdptr->cmd1 != NULL) &&
32 (cmdptr->cmd2 == NULL) &&
33 (cmdptr->cmd3 == NULL) &&
34 (cmdptr->help != IDS_NONE))
35 {
36 K32LoadStringW(GetModuleHandle(NULL), cmdptr->help, szOutput, ARRAYSIZE(szOutput));
37 ConPrintf(StdOut, szFormat, cmdptr->cmd1, szOutput);
38 }
39 }
40
41 ConPuts(StdOut, L"\n");
42}
43
44
45EXIT_CODE
46HelpCommand(
47 PCOMMAND pCommand)
48{
49 PCOMMAND cmdptr;
50 BOOL bSubCommands = FALSE;
51 WCHAR szFormat[64];
52 WCHAR szOutput[256];
53
54 K32LoadStringW(GetModuleHandle(NULL), IDS_HELP_FORMAT_STRING, szFormat, ARRAYSIZE(szFormat));
55
56 ConPuts(StdOut, L"\n");
57
58 /* List all the commands and the basic descriptions */
59 for (cmdptr = cmds; cmdptr->cmd1; cmdptr++)
60 {
61 if (pCommand->cmd1 != NULL && pCommand->cmd2 == NULL && pCommand->cmd3 == NULL)
62 {
63 if ((cmdptr->cmd1 != NULL && _wcsicmp(pCommand->cmd1, cmdptr->cmd1) == 0) &&
64 (cmdptr->cmd2 != NULL) &&
65 (cmdptr->cmd3 == NULL) &&
66 (cmdptr->help != IDS_NONE))
67 {
68 K32LoadStringW(GetModuleHandle(NULL), cmdptr->help, szOutput, ARRAYSIZE(szOutput));
69 ConPrintf(StdOut, szFormat, cmdptr->cmd2, szOutput);
70 bSubCommands = TRUE;
71 }
72 }
73 else if (pCommand->cmd1 != NULL && pCommand->cmd2 != NULL && pCommand->cmd3 == NULL)
74 {
75 if ((cmdptr->cmd1 != NULL && _wcsicmp(pCommand->cmd1, cmdptr->cmd1) == 0) &&
76 (cmdptr->cmd2 != NULL && _wcsicmp(pCommand->cmd2, cmdptr->cmd2) == 0) &&
77 (cmdptr->cmd3 != NULL) &&
78 (cmdptr->help != IDS_NONE))
79 {
80 K32LoadStringW(GetModuleHandle(NULL), cmdptr->help, szOutput, ARRAYSIZE(szOutput));
81 ConPrintf(StdOut, szFormat, cmdptr->cmd3, szOutput);
82 bSubCommands = TRUE;
83 }
84 }
85 else if (pCommand->cmd1 != NULL && pCommand->cmd2 != NULL && pCommand->cmd3 != NULL)
86 {
87 if ((cmdptr->cmd1 != NULL && _wcsicmp(pCommand->cmd1, cmdptr->cmd1) == 0) &&
88 (cmdptr->cmd2 != NULL && _wcsicmp(pCommand->cmd2, cmdptr->cmd2) == 0) &&
89 (cmdptr->cmd3 != NULL && _wcsicmp(pCommand->cmd3, cmdptr->cmd3) == 0) &&
90 (cmdptr->help_detail != MSG_NONE))
91 {
92 ConMsgPuts(StdOut,
93 FORMAT_MESSAGE_FROM_HMODULE,
94 NULL,
95 cmdptr->help_detail,
96 LANG_USER_DEFAULT);
97 bSubCommands = TRUE;
98 }
99 }
100 }
101
102 if ((bSubCommands == FALSE) && (pCommand->help_detail != MSG_NONE))
103 {
104 ConMsgPuts(StdOut,
105 FORMAT_MESSAGE_FROM_HMODULE,
106 NULL,
107 pCommand->help_detail,
108 LANG_USER_DEFAULT);
109 }
110
111 ConPuts(StdOut, L"\n");
112
113 return EXIT_SUCCESS;
114}
115
116
117/* help_main(char *arg):
118 * main entry point for the help command. Gives help to users who needs it.
119 */
120EXIT_CODE
121help_main(
122 _In_ INT argc,
123 _In_ PWSTR *argv)
124{
125 PCOMMAND cmdptr;
126 PCOMMAND cmdptr1 = NULL;
127 PCOMMAND cmdptr2 = NULL;
128 PCOMMAND cmdptr3 = NULL;
129
130 if (argc == 1)
131 {
132 HelpCommandList();
133 return EXIT_SUCCESS;
134 }
135
136 /* Scan internal command table */
137 for (cmdptr = cmds; cmdptr->cmd1; cmdptr++)
138 {
139 if ((cmdptr1 == NULL) &&
140 (cmdptr->cmd1 != NULL && _wcsicmp(argv[1], cmdptr->cmd1) == 0))
141 {
142 cmdptr1 = cmdptr;
143 }
144
145 if ((cmdptr2 == NULL) &&
146 (argc >= 3) &&
147 (cmdptr->cmd1 != NULL && _wcsicmp(argv[1], cmdptr->cmd1) == 0) &&
148 (cmdptr->cmd2 != NULL && _wcsicmp(argv[2], cmdptr->cmd2) == 0))
149 {
150 cmdptr2 = cmdptr;
151 }
152
153 if ((cmdptr3 == NULL) &&
154 (argc >= 4) &&
155 (cmdptr->cmd1 != NULL && _wcsicmp(argv[1], cmdptr->cmd1) == 0) &&
156 (cmdptr->cmd2 != NULL && _wcsicmp(argv[2], cmdptr->cmd2) == 0) &&
157 (cmdptr->cmd3 != NULL && _wcsicmp(argv[3], cmdptr->cmd3) == 0))
158 {
159 cmdptr3 = cmdptr;
160 }
161 }
162
163 if (cmdptr3 != NULL)
164 {
165 return HelpCommand(cmdptr3);
166 }
167 else if (cmdptr2 != NULL)
168 {
169 return HelpCommand(cmdptr2);
170 }
171 else if (cmdptr1 != NULL)
172 {
173 return HelpCommand(cmdptr1);
174 }
175
176 HelpCommandList();
177
178 return EXIT_SUCCESS;
179}