source: trunk/mediafolder/c/helper/mediafldrrexx.cpp@ 54

Last change on this file since 54 was 2, checked in by stevenhl, 8 years ago

Import sources from cwmm-full.zip dated 2005-03-21
File size: 9.7 KB
Line 
1/*
2 * This file is (C) Chris Wohlgemuth 2002
3 * It is part of the MediaFolder package
4 */
5/*
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2, or (at your option)
9 * any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; see the file COPYING. If not, write to
18 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20#define INCL_GPILCIDS
21#define INCL_GPIPRIMITIVES
22#define INCL_GPIBITMAPS
23#define INCL_SW
24#define INCL_REXXSAA
25
26#include "mediafolder.hh"
27#include "mediafolderres.h"
28
29//#pragma SOMAsDefault(pop)
30#include <os2.h>
31#include <rexxsaa.h> /* needed for RexxStart() */
32#include <stdio.h>
33#include <stdlib.h>
34//#pragma SOMAsDefault(on)
35
36
37
38typedef ULONG (APIENTRY *PFNWPSFUNC)(WPObject* ,...);
39
40extern ULONG calculateHash(char * theString);
41ULONG calculateHash2(char * theString);
42void parameterError(char *chrMethod);
43extern SOMClass* somhlpGetSomClass(char* chrClassName);
44
45
46void parameterError(char *chrMethod)
47{
48 char text[200];
49 sprintf(text, "%s(): wrong number of parameters.", chrMethod);
50
51 WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, text, "Method error",
52 1234, MB_OK|MB_MOVEABLE);
53
54}
55
56void wpObjectError(char *chrMethod)
57{
58 char text[200];
59 sprintf(text, "%s(): object pointer is not valid.", chrMethod);
60
61 WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, text, "Object error",
62 1234, MB_OK|MB_MOVEABLE);
63
64}
65
66
67#define HASHSIZE 101
68ULONG calculateHash(char * theString)
69{
70 ULONG ulHash=0;
71
72 if(theString)
73 for(ulHash=0;*theString!='\0'; theString++)
74 ulHash=*theString+31*ulHash;
75
76 return ulHash%HASHSIZE;
77}
78
79#define HASHSIZE2 123
80ULONG calculateHash2(char * theString)
81{
82 ULONG ulHash=0;
83
84 if(theString)
85 for(ulHash=0;*theString!='\0'; theString++)
86 ulHash=*theString+37*ulHash;
87
88 return ulHash%HASHSIZE;
89}
90
91/* This function handles new WPS functions introduced by private classes */
92ULONG EXPENTRY rxCallCWWPSFunc(PSZ name, LONG argc, RXSTRING argv[], PSZ queuename,PRXSTRING retstring)
93{
94 char text[200];
95 ULONG ulHash;
96 ULONG ulReturn;
97 WPObject* wpObject;
98 WPFileSystem* wpFSObject;
99
100 /* At least WPObject* and name of method */
101 if(argc<2)
102 return 40;
103
104 TRY_LOUD(RX) {
105
106 /* Get a hash for the methodname for the switch() statement */
107 ulHash=calculateHash(argv[0].strptr)<<8;
108 ulHash+=calculateHash2(argv[0].strptr);
109 ulReturn=0;
110
111 wpObject=(WPObject*)atol(argv[1].strptr);
112 /* Check if it's a valid object */
113 if(somIsObj(wpObject)) {
114 PFNWPSFUNC procAddr;
115
116 /* Try to find the requested method */
117 if((procAddr=(PFNWPSFUNC) somResolveByName(wpObject, argv[0].strptr))==NULL) {
118 /* method not found. Check if it's a wrapped one */
119 switch(ulHash)
120 {
121 case 0x1b2a: /* cwIsA */
122 procAddr=(PFNWPSFUNC) somResolveByName(wpObject, "somIsA");
123 break;
124 case 0x2c21: /* cwIsInstanceOf */
125 procAddr=(PFNWPSFUNC) somResolveByName(wpObject, "somIsInstanceOf");
126 break;
127 case 0x5226: /* cwQueryRealName */
128 procAddr=(PFNWPSFUNC) somResolveByName(wpObject, "wpQueryRealName");
129 break;
130#if 0
131 case 0x24 : /* cwQueryFilename */
132 procAddr=(PFNWPSFUNC) somResolveByName(wpObject, "wpQueryFilename");
133 break;
134#endif
135 default:
136 break;
137 }
138 }
139
140 if(procAddr==NULL) {
141 /* method not found and no private one */
142 sprintf(retstring->strptr, "ERROR_METHOD:");
143 retstring->strlength=strlen(retstring->strptr);
144 }
145 else {
146 switch(ulHash)
147 {
148 /* WPS method without a parameter returning ULONG or WPObject* */
149 case 0x0f10: /* cwQueryCurrentlyPlayingObject */
150 {
151 sprintf(retstring->strptr,"%d",procAddr(wpObject));
152 retstring->strlength=strlen(retstring->strptr);
153 break;
154 }
155 /* Functions with one (ULONG) param returning ULONG, BOOL or WPObject* */
156 /* WPObject */
157 case 0x3f5e: /* cwStopAudioFile */ /* Obsolete with V0.2.5 */
158 case 0x303d: /* cwPauseAudioFile */ /* Obsolete with V0.2.5 */
159 case 0x5954: /* cwGetFileSystemObject */
160 case 0x244a: /* mfldrStopAudioFile */ /* new with V0.2.5 */
161 case 0x3601: /* mfldrPauseAudioFile */ /* new with V0.2.5 */
162 {
163 ULONG ulParam1;
164
165 if(argc<3) {
166 parameterError(argv[0].strptr);
167 ulReturn=40;
168 break;
169 }
170
171 ulParam1=atol(argv[2].strptr);
172 sprintf(retstring->strptr,"%d",procAddr(wpObject, ulParam1));
173 retstring->strlength=strlen(retstring->strptr);
174 break;
175 }
176 /* Functions with one (ULONG) param returning a string: */
177 case 0x5226: /* cwQueryRealName */
178 {
179 ULONG ulParam1;
180
181 if(argc<3) {
182 parameterError(argv[0].strptr);
183 ulReturn=40;
184 break;
185 }
186 ulParam1=atol(argv[2].strptr);/* BOOL fQualified */
187
188 if(!procAddr(wpObject, retstring->strptr, &retstring->strlength, ulParam1))
189 sprintf(retstring->strptr,"ERROR:");
190 /*
191 if(!procAddr(wpObject, &retstring->strptr, &retstring->strlength, ulParam1))*/
192
193 retstring->strlength=strlen(retstring->strptr);
194 break;
195 }
196 /* Function with two ULONG (or alike) params returning ULONG */
197 case 0x2f58: /* cwPlayAudioFile */ /* Obsolete with V0.2.5 */
198 case 0x1423: /* mfldrPlayAudioFile */ /* new with V0.2.5 */
199 {
200 ULONG ulParam1;
201 ULONG ulParam2;
202
203 if(argc<4) {
204 parameterError(argv[0].strptr);
205 ulReturn=40;
206 break;
207 }
208 ulParam1=atol(argv[2].strptr);
209 ulParam2=atol(argv[3].strptr);
210
211 sprintf(retstring->strptr,"%d", procAddr(wpObject, ulParam1, ulParam2));
212 retstring->strlength=strlen(retstring->strptr);
213 break;
214 }
215 case 0x631e: /* mfldrSetStatusLineText */ /* new with V0.2.5 */
216 case 0x5121: /* cwSetStatusLineText */ /* Obsolete with V0.2.5 */
217 {
218 if(argc<3) {
219 parameterError(argv[0].strptr);
220 ulReturn=40;
221 break;
222 }
223 if(atoi(argv[2].strptr)==0 && strlen(argv[2].strptr)==1)
224 procAddr(wpObject, NULLHANDLE);
225 else
226 procAddr(wpObject, argv[2].strptr);
227 break;
228 }
229 /* Function with one param returning ULONG */
230 case 0x1b2a: /* cwIsA */
231 case 0x2c21: /* cwIsInstanceOf */
232 {
233 SOMClass *somClass;
234
235 if(argc<3) {
236 parameterError(argv[0].strptr);
237 ulReturn=40;
238 break;
239 }
240
241 somClass=somhlpGetSomClass(argv[2].strptr);
242 if(!somIsObj(somClass)) {
243 sprintf(retstring->strptr,"ERROR_CLASS:");/* Return error */
244 retstring->strlength=strlen(retstring->strptr);
245 break;
246 }
247
248 sprintf(retstring->strptr,"%d", procAddr(wpObject, somClass));
249 retstring->strlength=strlen(retstring->strptr);
250 break;
251 }
252 default:
253 ulReturn=40;
254 }/* switch */
255 }/* else if((procAddr=(PFNWPSFUNC) somResolveByName(wpObject, argv[1].strptr))==NULL) */
256 }/* if(somIsObj(wpObject)) */
257 else {
258 /* wpObject is not valid */
259 wpObjectError(argv[0].strptr);
260
261 ulReturn=40;
262 }
263 /*
264 sprintf(text, "%s HAsh: %x, Hash2: %x",argv[0].strptr, ulHash, calculateHash2(argv[0].strptr));
265 WinMessageBox(HWND_DESKTOP, HWND_DESKTOP, text, "",
266 1234, MB_OK|MB_MOVEABLE);
267 */
268 }
269 CATCH(RX)
270 {}END_CATCH;
271
272 return ulReturn;
273}
274/*
275
276Functions without params returning a string:
277
278
279Functions with one (ULONG) param returning ULONG, BOOL or WPObject*:
280
2810x3f: cwStopAudioFile 0x5e obsolete with V0.2.5
2820x30: cwPauseAudioFile 0x3d obsolete with V0.2.5
2830x59: cwGetFileSystemObject 0x54
2840x1b: cwIsA 0x2a
2850x244a: mfldrStopAudioFile new with V0.2.5
2860x3601: mfldrPauseAudioFile new with V0.2.5
287
288Functions with one (ULONG) param returning a string:
2890x52: cwQueryRealName 0x26
290 0x24 : cwQueryFilename
291
292Function with two ULONG (or alike) params:
2930x2f: cwPlayAudioFile 0x58 obsolete with V0.2.5
2940x1423: mfldrPlayAudioFile new with V0.2.5
295
2960x2c: cwIsInstanceOf 0x21
2970x51: cwSetStatusLineText 0x21
2980x631e: mfldrSetStatusLineText
299
300( 0x2e: cwGetVersionNumbers hash2: 0x58)
301
3020xf: cwQueryCurrentlyPlayingObject 0x10
303
304 */
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