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1 | /* | |
2 | * Copyright 2002 Red Hat Inc., Durham, North Carolina. | |
3 | * | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * Permission is hereby granted, free of charge, to any person obtaining | |
7 | * a copy of this software and associated documentation files (the | |
8 | * "Software"), to deal in the Software without restriction, including | |
9 | * without limitation on the rights to use, copy, modify, merge, | |
10 | * publish, distribute, sublicense, and/or sell copies of the Software, | |
11 | * and to permit persons to whom the Software is furnished to do so, | |
12 | * subject to the following conditions: | |
13 | * | |
14 | * The above copyright notice and this permission notice (including the | |
15 | * next paragraph) shall be included in all copies or substantial | |
16 | * portions of the Software. | |
17 | * | |
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
19 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
21 | * NON-INFRINGEMENT. IN NO EVENT SHALL RED HAT AND/OR THEIR SUPPLIERS | |
22 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
23 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
24 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
25 | * SOFTWARE. | |
26 | */ | |
27 | ||
28 | /* | |
29 | * Authors: | |
30 | * Rickard E. (Rik) Faith <faith@redhat.com> | |
31 | */ | |
32 | ||
33 | /** \file | |
34 | * This file provides some compatibility support for reading VDL files | |
35 | * that are used by xmovie | |
36 | * (http://www.llnl.gov/icc/sdd/img/xmovie/xmovie.shtml). | |
37 | * | |
38 | * This file is not used by the DMX server. | |
39 | */ | |
40 | ||
41 | #ifdef HAVE_DMX_CONFIG_H | |
42 | #include <dmx-config.h> | |
43 | #endif | |
44 | ||
45 | #include "os.h" | |
46 | #include "dmxconfig.h" | |
47 | #include "dmxparse.h" | |
48 | #include "dmxcompat.h" | |
49 | #include "parser.h" | |
50 | #include <stdio.h> | |
51 | #include <stdlib.h> | |
52 | #include <string.h> | |
53 | #include <ctype.h> | |
54 | ||
55 | static int | |
56 | dmxVDLReadLine(FILE * str, char *buf, int len) | |
57 | { | |
58 | if (fgets(buf, len, str)) | |
59 | return strlen(buf); | |
60 | return 0; | |
61 | } | |
62 | ||
63 | static int | |
64 | dmxVDLCount(const char *buf) | |
65 | { | |
66 | return strtol(buf, NULL, 10); | |
67 | } | |
68 | ||
69 | static void | |
70 | dmxVDLVirtualEntry(const char *buf, char *name, int *len, int *x, int *y) | |
71 | { | |
72 | char *end; | |
73 | const char *s; | |
74 | char *d; | |
75 | int start; | |
76 | ||
77 | *x = strtol(buf, &end, 10); | |
78 | *y = strtol(end, &end, 10); | |
79 | ||
80 | for (s = end, d = name, start = 1; *s && *s != '['; ++s) { | |
81 | if (start && isspace(*s)) | |
82 | continue; | |
83 | *d++ = *s; | |
84 | start = 0; | |
85 | } | |
86 | *d = '\0'; | |
87 | while (d > name && isspace(d[-1])) | |
88 | *--d = '\0'; /* remove trailing space */ | |
89 | *len = strlen(name); | |
90 | } | |
91 | ||
92 | static void | |
93 | dmxVDLDisplayEntry(const char *buf, | |
94 | char *name, int *len, | |
95 | int *x, int *y, int *xoff, int *yoff, int *xorig, int *yorig) | |
96 | { | |
97 | const char *pt; | |
98 | char *end; | |
99 | ||
100 | pt = strchr(buf, ' '); | |
101 | strlcpy(name, buf, 1 + pt - buf); | |
102 | *len = strlen(name); | |
103 | ||
104 | *x = strtol(pt, &end, 10); | |
105 | *y = strtol(end, &end, 10); | |
106 | *xorig = strtol(end, &end, 10); | |
107 | *yorig = strtol(end, &end, 10); | |
108 | *xoff = strtol(end, &end, 10); | |
109 | *yoff = strtol(end, NULL, 10); | |
110 | } | |
111 | ||
112 | /** Read from the VDL format \a filename and return a newly allocated \a | |
113 | * DMXConfigEntryPtr */ | |
114 | DMXConfigEntryPtr | |
115 | dmxVDLRead(const char *filename) | |
116 | { | |
117 | FILE *str; | |
118 | char buf[2048]; /* RATS: Use ok */ | |
119 | char *pt; | |
120 | int lineno = 0; | |
121 | DMXConfigEntryPtr entry = NULL; | |
122 | DMXConfigVirtualPtr virtual = NULL; | |
123 | DMXConfigSubPtr sub = NULL; | |
124 | DMXConfigDisplayPtr display = NULL; | |
125 | DMXConfigFullDimPtr fdim = NULL; | |
126 | int vcount = 0; | |
127 | int dcount = 0; | |
128 | int icount = 0; | |
129 | int x, y, xoff, yoff, xorig, yorig; | |
130 | char name[2048]; /* RATS: Use ok */ | |
131 | const char *tmp; | |
132 | int len; | |
133 | enum { | |
134 | simulateFlag, | |
135 | virtualCount, | |
136 | virtualEntry, | |
137 | displayCount, | |
138 | displayEntry, | |
139 | ignoreCount, | |
140 | ignoreEntry | |
141 | } state = simulateFlag; | |
142 | ||
143 | if (!filename) | |
144 | str = stdin; | |
145 | else | |
146 | str = fopen(filename, "r"); | |
147 | if (!str) | |
148 | return NULL; | |
149 | ||
150 | while (dmxVDLReadLine(str, buf, sizeof(buf))) { | |
151 | DMXConfigCommentPtr comment = NULL; | |
152 | ||
153 | ++lineno; | |
154 | for (pt = buf; *pt; pt++) | |
155 | if (*pt == '\r' || *pt == '\n') { | |
156 | *pt = '\0'; | |
157 | break; | |
158 | } | |
159 | if (buf[0] == '#') { | |
160 | tmp = dmxConfigCopyString(buf + 1, strlen(buf + 1)); | |
161 | comment = dmxConfigCreateComment(T_COMMENT, lineno, tmp); | |
162 | entry = dmxConfigAddEntry(entry, dmxConfigComment, comment, NULL); | |
163 | continue; | |
164 | } | |
165 | switch (state) { | |
166 | case simulateFlag: | |
167 | state = virtualCount; | |
168 | break; | |
169 | case virtualCount: | |
170 | vcount = dmxVDLCount(buf); | |
171 | state = virtualEntry; | |
172 | break; | |
173 | case virtualEntry: | |
174 | len = sizeof(name); | |
175 | dmxVDLVirtualEntry(buf, name, &len, &x, &y); | |
176 | tmp = dmxConfigCopyString(name, len); | |
177 | virtual = dmxConfigCreateVirtual(NULL, | |
178 | dmxConfigCreateString(T_STRING, | |
179 | lineno, | |
180 | NULL, | |
181 | tmp), | |
182 | dmxConfigCreatePair(T_DIMENSION, | |
183 | lineno, | |
184 | NULL, | |
185 | x, y, 0, 0), | |
186 | NULL, NULL, NULL); | |
187 | state = displayCount; | |
188 | break; | |
189 | case displayCount: | |
190 | dcount = dmxVDLCount(buf); | |
191 | state = displayEntry; | |
192 | break; | |
193 | case displayEntry: | |
194 | dmxVDLDisplayEntry(buf, name, &len, &x, &y, &xoff, &yoff, | |
195 | &xorig, &yorig); | |
196 | tmp = dmxConfigCopyString(name, len); | |
197 | fdim = | |
198 | dmxConfigCreateFullDim(dmxConfigCreatePartDim | |
199 | (dmxConfigCreatePair | |
200 | (T_DIMENSION, lineno, NULL, x, y, 0, 0), | |
201 | dmxConfigCreatePair(T_OFFSET, lineno, | |
202 | NULL, xoff, yoff, | |
203 | xoff, yoff)), NULL); | |
204 | display = | |
205 | dmxConfigCreateDisplay(NULL, | |
206 | dmxConfigCreateString(T_STRING, lineno, | |
207 | NULL, tmp), fdim, | |
208 | dmxConfigCreatePair(T_ORIGIN, lineno, | |
209 | NULL, xorig, yorig, | |
210 | 0, 0), NULL); | |
211 | sub = dmxConfigAddSub(sub, dmxConfigSubDisplay(display)); | |
212 | if (!--dcount) { | |
213 | state = ignoreCount; | |
214 | virtual->subentry = sub; | |
215 | entry = dmxConfigAddEntry(entry, | |
216 | dmxConfigVirtual, NULL, virtual); | |
217 | virtual = NULL; | |
218 | sub = NULL; | |
219 | } | |
220 | break; | |
221 | case ignoreCount: | |
222 | icount = dmxVDLCount(buf); | |
223 | state = ignoreEntry; | |
224 | break; | |
225 | case ignoreEntry: | |
226 | if (!--icount) | |
227 | state = virtualEntry; | |
228 | break; | |
229 | } | |
230 | } | |
231 | ||
232 | if (str != stdin) | |
233 | fclose(str); | |
234 | ||
235 | return entry; | |
236 | } |