1 /****************************************************************************
2  *
3  *  Copyright (C) 2005-2006 "Stuart R. Anderson" <anderson@netsweng.com>
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; either version 2 of the License, or
8  *  (at your option) any later version.
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this program; if not, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  *
19  ****************************************************************************/
20 
21 #include "blocks/blocktypes.h"
22 #include "parser.h"
23 #include "read.h"
24 
25 struct SWFBlock
26 {
27   SWFBlocktype type;
28   char *name;
29   SWFParseFunc parser;
30 };
31 
32 #define BlockType( block ) \
33 { block, #block, parse##block, }
34 
35 static struct SWFBlock blocks[] = {
36   BlockType (SWF_CHARACTERSET),
37   BlockType (SWF_DEFINEBITS),
38   BlockType (SWF_DEFINEBITSJPEG2),
39   BlockType (SWF_DEFINEBITSJPEG3),
40   BlockType (SWF_DEFINEBITSPTR),
41   BlockType (SWF_DEFINEBUTTON),
42   BlockType (SWF_DEFINEBUTTON2),
43   BlockType (SWF_DEFINEBUTTONCXFORM),
44   BlockType (SWF_DEFINEBUTTONSOUND),
45   BlockType (SWF_DEFINECOMMANDOBJ),
46   BlockType (SWF_DEFINEEDITTEXT),
47   BlockType (SWF_DEFINEFONT),
48   BlockType (SWF_DEFINEFONT2),
49   BlockType (SWF_DEFINEFONT3),
50   BlockType (SWF_DEFINEFONTINFO),
51   BlockType (SWF_DEFINEFONTINFO2),
52   BlockType (SWF_CSMTEXTSETTINGS),
53   BlockType (SWF_DEFINEFONTNAME),
54   BlockType (SWF_DEFINEFONTALIGNZONES),
55   BlockType (SWF_DEFINELOSSLESS),
56   BlockType (SWF_DEFINELOSSLESS2),
57   BlockType (SWF_DEFINEMORPHSHAPE),
58   BlockType (SWF_DEFINEMORPHSHAPE2),
59   BlockType (SWF_DEFINESHAPE),
60   BlockType (SWF_DEFINESHAPE2),
61   BlockType (SWF_DEFINESHAPE3),
62   BlockType (SWF_DEFINESHAPE4),
63   BlockType (SWF_DEFINESOUND),
64   BlockType (SWF_DEFINESPRITE),
65   BlockType (SWF_DEFINETEXT),
66   BlockType (SWF_DEFINETEXT2),
67   BlockType (SWF_DEFINETEXTFORMAT),
68   BlockType (SWF_DEFINEVIDEO),
69   BlockType (SWF_DEFINEVIDEOSTREAM),
70   BlockType (SWF_DOACTION),
71   BlockType (SWF_ENABLEDEBUGGER),
72   BlockType (SWF_ENABLEDEBUGGER2),
73   BlockType (SWF_END),
74   BlockType (SWF_EXPORTASSETS),
75   BlockType (SWF_FONTREF),
76   BlockType (SWF_FRAMELABEL),
77   BlockType (SWF_FRAMETAG),
78   BlockType (SWF_FREEALL),
79   BlockType (SWF_FREECHARACTER),
80   BlockType (SWF_GENCOMMAND),
81   BlockType (SWF_IMPORTASSETS),
82   BlockType (SWF_IMPORTASSETS2),
83   BlockType (SWF_INITACTION),
84   BlockType (SWF_JPEGTABLES),
85   BlockType (SWF_NAMECHARACTER),
86   BlockType (SWF_PATHSAREPOSTSCRIPT),
87   BlockType (SWF_PLACEOBJECT),
88   BlockType (SWF_PLACEOBJECT2),
89   BlockType (SWF_PLACEOBJECT3),
90   BlockType (SWF_PREBUILT),
91   BlockType (SWF_PREBUILTCLIP),
92   BlockType (SWF_PROTECT),
93   BlockType (SWF_REMOVEOBJECT),
94   BlockType (SWF_REMOVEOBJECT2),
95   BlockType (SWF_SERIALNUMBER),
96   BlockType (SWF_SETBACKGROUNDCOLOR),
97   BlockType (SWF_SHOWFRAME),
98   BlockType (SWF_SOUNDSTREAMBLOCK),
99   BlockType (SWF_SOUNDSTREAMHEAD),
100   BlockType (SWF_SOUNDSTREAMHEAD2),
101   BlockType (SWF_STARTSOUND),
102   BlockType (SWF_STARTSOUND2),
103   BlockType (SWF_SYNCFRAME),
104   BlockType (SWF_VIDEOFRAME),
105   BlockType (SWF_REFLEX),
106   BlockType (SWF_FILEATTRIBUTES),
107   BlockType (SWF_METADATA),
108   BlockType (SWF_SCRIPTLIMITS),
109   BlockType (SWF_DEFINESCALINGGRID),
110   BlockType (SWF_SETTABINDEX),
111   BlockType (SWF_DOABC),
112   BlockType (SWF_SYMBOLCLASS),
113   BlockType (SWF_DEFINESCENEANDFRAMEDATA),
114   BlockType (SWF_DEFINEBINARYDATA),
115   BlockType (SWF_DEBUGID),
116 };
117 
118 static int numBlocks = sizeof (blocks) / sizeof (struct SWFBlock);
119 
120 const char *
blockName(SWFBlocktype header)121 blockName (SWFBlocktype header)
122 {
123   int i;
124 
125   for (i = 0; i < numBlocks; i++)
126     {
127       if (blocks[i].type == header)
128 	{
129 	  return blocks[i].name;
130 	}
131     }
132   return "Unknown Block Type";	/* Should never get here */
133 
134 }
135 
136 SWF_Parserstruct *
blockParse(FILE * f,int length,SWFBlocktype header)137 blockParse (FILE *f, int length, SWFBlocktype header)
138 {
139   int i;
140 
141   for (i = 0; i < numBlocks; i++)
142   {
143     if (blocks[i].type == header)
144     {
145       return blocks[i].parser(f,length);
146     }
147   }
148   return parseSWF_UNKNOWNBLOCK(f, length);
149 }
150