| 1 |
/* This file is part of the SvarCOM project and is published under the terms
|
1 |
/* This file is part of the SvarCOM project and is published under the terms
|
| 2 |
* of the MIT license.
|
2 |
* of the MIT license.
|
| 3 |
*
|
3 |
*
|
| 4 |
* Copyright (C) 2021-2022 Mateusz Viste
|
4 |
* Copyright (C) 2021-2022 Mateusz Viste
|
| 5 |
*
|
5 |
*
|
| 6 |
* Permission is hereby granted, free of charge, to any person obtaining a
|
6 |
* Permission is hereby granted, free of charge, to any person obtaining a
|
| 7 |
* copy of this software and associated documentation files (the "Software"),
|
7 |
* copy of this software and associated documentation files (the "Software"),
|
| 8 |
* to deal in the Software without restriction, including without limitation
|
8 |
* to deal in the Software without restriction, including without limitation
|
| 9 |
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
9 |
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
| 10 |
* and/or sell copies of the Software, and to permit persons to whom the
|
10 |
* and/or sell copies of the Software, and to permit persons to whom the
|
| 11 |
* Software is furnished to do so, subject to the following conditions:
|
11 |
* Software is furnished to do so, subject to the following conditions:
|
| 12 |
*
|
12 |
*
|
| 13 |
* The above copyright notice and this permission notice shall be included in
|
13 |
* The above copyright notice and this permission notice shall be included in
|
| 14 |
* all copies or substantial portions of the Software.
|
14 |
* all copies or substantial portions of the Software.
|
| 15 |
*
|
15 |
*
|
| 16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
16 |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
| 17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
17 |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
| 18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
18 |
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
| 19 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
19 |
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
| 20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
20 |
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
| 21 |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
21 |
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
| 22 |
* DEALINGS IN THE SOFTWARE.
|
22 |
* DEALINGS IN THE SOFTWARE.
|
| 23 |
*/
|
23 |
*/
|
| 24 |
|
24 |
|
| 25 |
/*
|
25 |
/*
|
| 26 |
* FOR %variable IN (set) DO command [command-parameters]
|
26 |
* FOR %variable IN (set) DO command [command-parameters]
|
| 27 |
*
|
27 |
*
|
| 28 |
* %variable a replaceable parameter name
|
28 |
* %variable a replaceable parameter name
|
| 29 |
* (set) a set of one of more files. Wildcards allowed.
|
29 |
* (set) a set of one of more files. Wildcards allowed.
|
| 30 |
* command the command to carry out for each matched file
|
30 |
* command the command to carry out for each matched file
|
| 31 |
* command-parameters parameters or switches for the specified command
|
31 |
* command-parameters parameters or switches for the specified command
|
| 32 |
*
|
32 |
*
|
| 33 |
* To use FOR in a batch program, use %%variable instead of %variable
|
33 |
* To use FOR in a batch program, use %%variable instead of %variable
|
| 34 |
*
|
34 |
*
|
| 35 |
* the set of files must be surrounded by parenthesis, and may contain one
|
35 |
* the set of files must be surrounded by parenthesis, and may contain one
|
| 36 |
* or more space-delimited wildcards. Examples:
|
36 |
* or more space-delimited wildcards. Examples:
|
| 37 |
* (file.txt other.txt)
|
37 |
* (file.txt other.txt)
|
| 38 |
* (*.exe *.com *.bat)
|
38 |
* (*.exe *.com *.bat)
|
| 39 |
* (jan*.txt 199201??.txt)
|
39 |
* (jan*.txt 199201??.txt)
|
| 40 |
*/
|
40 |
*/
|
| 41 |
|
41 |
|
| 42 |
/* Implementation notes:
|
42 |
/* Implementation notes:
|
| 43 |
*
|
43 |
*
|
| 44 |
* For cannot be nested (no "FOR ... do FOR ..." allowed)
|
44 |
* For cannot be nested (no "FOR ... do FOR ..." allowed)
|
| 45 |
*
|
45 |
*
|
| 46 |
* When executed, FOR allocates a "FOR context" to RMOD's memory, this context
|
46 |
* When executed, FOR allocates a "FOR context" to RMOD's memory, this context
|
| 47 |
* holds the memory state of a FindNext iteration, as well as the command
|
47 |
* holds the memory state of a FindNext iteration, as well as the command
|
| 48 |
* to run on each matched file.
|
48 |
* to run on each matched file.
|
| 49 |
*
|
49 |
*
|
| 50 |
* This FOR context is looked at by command.c and used to provide a command
|
50 |
* This FOR context is looked at by command.c and used to provide a command
|
| 51 |
* instead of getting the command from interactive cli or BAT file. Repeats
|
51 |
* instead of getting the command from interactive cli or BAT file. Repeats
|
| 52 |
* until the FindNext buffer stops matching files.
|
52 |
* until the FindNext buffer stops matching files.
|
| 53 |
*
|
53 |
*
|
| 54 |
* This file only provides the help screen of FOR, as well as the FOR-context
|
54 |
* This file only provides the help screen of FOR, as well as the FOR-context
|
| 55 |
* initialization. Actual execution happens within command.c.
|
55 |
* initialization. Actual execution happens within command.c.
|
| 56 |
*/
|
56 |
*/
|
| 57 |
|
57 |
|
| 58 |
static enum cmd_result cmd_for(struct cmd_funcparam *p) {
|
58 |
static enum cmd_result cmd_for(struct cmd_funcparam *p) {
|
| 59 |
struct forctx *f = (void *)(p->BUFFER);
|
59 |
struct forctx *f = (void *)(p->BUFFER);
|
| 60 |
unsigned short i;
|
60 |
unsigned short i;
|
| 61 |
|
61 |
|
| 62 |
/* forbid nested FORs */
|
62 |
/* forbid nested FORs */
|
| 63 |
if (p->rmod->forloop) {
|
63 |
if (p->rmod->forloop) {
|
| 64 |
nls_outputnl(18,7); /* FOR cannot be nested */
|
64 |
nls_outputnl(18,7); /* FOR cannot be nested */
|
| 65 |
return(CMD_FAIL);
|
65 |
return(CMD_FAIL);
|
| 66 |
}
|
66 |
}
|
| 67 |
|
67 |
|
| 68 |
/* help screen ONLY if /? is the only argument */
|
68 |
/* help screen ONLY if /? is the only argument */
|
| 69 |
if ((p->argc == 1) && (imatch(p->argv[0], "/?"))) {
|
69 |
if ((p->argc == 1) && (imatch(p->argv[0], "/?"))) {
|
| 70 |
nls_outputnl(18,0); /* "Runs a specified command for each file in a set of files" */
|
70 |
nls_outputnl(18,0); /* "Runs a specified command for each file in a set of files" */
|
| 71 |
outputnl("");
|
71 |
outputnl("");
|
| 72 |
nls_outputnl(18,1); /* "FOR %variable IN (set) DO command [parameters]" */
|
72 |
nls_outputnl(18,1); /* "FOR %variable IN (set) DO command [parameters]" */
|
| 73 |
outputnl("");
|
73 |
outputnl("");
|
| 74 |
nls_outputnl(18,2); /* "%variable a replaceable parameter name" */
|
74 |
nls_outputnl(18,2); /* "%variable a replaceable parameter name" */
|
| 75 |
nls_outputnl(18,3); /* "(set) a set of one of more files. Wildcards allowed." */
|
75 |
nls_outputnl(18,3); /* "(set) a set of one of more files. Wildcards allowed." */
|
| 76 |
nls_outputnl(18,4); /* "command the command to carry out for each matched file" */
|
76 |
nls_outputnl(18,4); /* "command the command to carry out for each matched file" */
|
| 77 |
nls_outputnl(18,5); /* "parameters parameters or switches for the specified command" */
|
77 |
nls_outputnl(18,5); /* "parameters parameters or switches for the specified command" */
|
| 78 |
outputnl("");
|
78 |
outputnl("");
|
| 79 |
nls_outputnl(18,6); /* "To use FOR in a batch program, use %%variable instead of %variable" */
|
79 |
nls_outputnl(18,6); /* "To use FOR in a batch program, use %%variable instead of %variable" */
|
| 80 |
return(CMD_OK);
|
80 |
return(CMD_OK);
|
| 81 |
}
|
81 |
}
|
| 82 |
|
82 |
|
| 83 |
/* clear out struct and copy command line to it */
|
83 |
/* clear out struct and copy command line to it */
|
| 84 |
bzero(f, sizeof(*f));
|
84 |
bzero(f, sizeof(*f));
|
| 85 |
strcpy(f->cmd, p->cmdline);
|
85 |
strcpy(f->cmd, p->cmdline);
|
| 86 |
|
86 |
|
| 87 |
/* locate the %varname */
|
87 |
/* locate the %varname (single char) */
|
| 88 |
i = p->argoffset;
|
88 |
i = p->argoffset;
|
| 89 |
while (f->cmd[i] == ' ') i++;
|
89 |
while (f->cmd[i] == ' ') i++;
|
| 90 |
if (f->cmd[i] != '%') goto INVALID_SYNTAX;
|
90 |
if ((f->cmd[i] != '%') || (f->cmd[i+1] == ' ') || (f->cmd[i+2] != ' ')) goto INVALID_SYNTAX;
|
| 91 |
f->varname = i;
|
91 |
f->varname = f->cmd[i+1];
|
| 92 |
/* find the end of varname (space) */
|
- |
|
| 93 |
while ((f->cmd[i] != ' ') && (f->cmd[i] != 0)) i++;
|
- |
|
| 94 |
if (f->cmd[i] != ' ') goto INVALID_SYNTAX;
|
92 |
i += 3;
|
| 95 |
f->cmd[i++] = 0; /* terminate varname and move to next field */
|
- |
|
| 96 |
|
93 |
|
| 97 |
/* look (and skip) the "IN" part */
|
94 |
/* look (and skip) the "IN" part */
|
| 98 |
while (f->cmd[i] == ' ') i++;
|
95 |
while (f->cmd[i] == ' ') i++;
|
| 99 |
if (((f->cmd[i] & 0xDF) != 'I') && ((f->cmd[i+1] & 0xDF) != 'N') && (f->cmd[i+2] != ' ')) goto INVALID_SYNTAX;
|
96 |
if (((f->cmd[i] & 0xDF) != 'I') && ((f->cmd[i+1] & 0xDF) != 'N') && (f->cmd[i+2] != ' ')) goto INVALID_SYNTAX;
|
| 100 |
i += 3;
|
97 |
i += 3;
|
| 101 |
|
98 |
|
| 102 |
/* look for patterns start */
|
99 |
/* look for patterns start */
|
| 103 |
while (f->cmd[i] == ' ') i++;
|
100 |
while (f->cmd[i] == ' ') i++;
|
| 104 |
if (f->cmd[i] != '(') goto INVALID_SYNTAX;
|
101 |
if (f->cmd[i] != '(') goto INVALID_SYNTAX;
|
| 105 |
i++;
|
102 |
i++;
|
| 106 |
while (f->cmd[i] == ' ') i++;
|
103 |
while (f->cmd[i] == ' ') i++;
|
| 107 |
f->curpat = i;
|
104 |
f->nextpat = i;
|
| 108 |
/* look for patterns end */
|
105 |
/* look for patterns end */
|
| 109 |
while ((f->cmd[i] != ')') && (f->cmd[i] != 0)) i++;
|
106 |
while ((f->cmd[i] != ')') && (f->cmd[i] != 0)) i++;
|
| 110 |
if (f->cmd[i] != ')') goto INVALID_SYNTAX;
|
107 |
if (f->cmd[i] != ')') goto INVALID_SYNTAX;
|
| 111 |
f->cmd[i++] = 0; /* terminate patterns and move to next field */
|
108 |
f->cmd[i++] = 0; /* terminate patterns and move to next field */
|
| 112 |
|
109 |
|
| 113 |
/* look (and skip) the "DO" part */
|
110 |
/* look (and skip) the "DO" part */
|
| 114 |
while (f->cmd[i] == ' ') i++;
|
111 |
while (f->cmd[i] == ' ') i++;
|
| 115 |
if (((f->cmd[i] & 0xDF) != 'D') && ((f->cmd[i+1] & 0xDF) != 'O') && (f->cmd[i+2] != ' ')) goto INVALID_SYNTAX;
|
112 |
if (((f->cmd[i] & 0xDF) != 'D') && ((f->cmd[i+1] & 0xDF) != 'O') && (f->cmd[i+2] != ' ')) goto INVALID_SYNTAX;
|
| 116 |
i += 3;
|
113 |
i += 3;
|
| 117 |
while (f->cmd[i] == ' ') i++;
|
114 |
while (f->cmd[i] == ' ') i++;
|
| 118 |
|
115 |
|
| 119 |
/* rest is the exec string */
|
116 |
/* rest is the exec string */
|
| 120 |
f->exec = i;
|
117 |
f->exec = i;
|
| 121 |
|
118 |
|
| 122 |
/* alloc memory for the forctx context and copy f to it */
|
119 |
/* alloc memory for the forctx context and copy f to it */
|
| 123 |
p->rmod->forloop = rmod_fcalloc(sizeof(*f), p->rmod->rmodseg, "SVFORCTX");
|
120 |
p->rmod->forloop = rmod_fcalloc(sizeof(*f), p->rmod->rmodseg, "SVFORCTX");
|
| 124 |
if (p->rmod->forloop == NULL) {
|
121 |
if (p->rmod->forloop == NULL) {
|
| 125 |
nls_outputnl_doserr(8);
|
122 |
nls_outputnl_doserr(8);
|
| 126 |
return(CMD_FAIL);
|
123 |
return(CMD_FAIL);
|
| 127 |
}
|
124 |
}
|
| 128 |
_fmemcpy(p->rmod->forloop, f, sizeof(*f));
|
125 |
_fmemcpy(p->rmod->forloop, f, sizeof(*f));
|
| 129 |
|
126 |
|
| 130 |
return(CMD_OK);
|
127 |
return(CMD_OK);
|
| 131 |
|
128 |
|
| 132 |
INVALID_SYNTAX:
|
129 |
INVALID_SYNTAX:
|
| 133 |
nls_outputnl(0,1); /* "Invalid syntax" */
|
130 |
nls_outputnl(0,1); /* "Invalid syntax" */
|
| 134 |
return(CMD_FAIL);
|
131 |
return(CMD_FAIL);
|
| 135 |
}
|
132 |
}
|
| 136 |
|
133 |
|