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[cc65] / src / sp65 / output.c
1 /*****************************************************************************/
2 /*                                                                           */
3 /*                                 output.c                                  */
4 /*                                                                           */
5 /*   Output format/file definitions for the sp65 sprite and bitmap utility   */
6 /*                                                                           */
7 /*                                                                           */
8 /*                                                                           */
9 /* (C) 2012,      Ullrich von Bassewitz                                      */
10 /*                Roemerstrasse 52                                           */
11 /*                D-70794 Filderstadt                                        */
12 /* EMail:         uz@cc65.org                                                */
13 /*                                                                           */
14 /*                                                                           */
15 /* This software is provided 'as-is', without any expressed or implied       */
16 /* warranty.  In no event will the authors be held liable for any damages    */
17 /* arising from the use of this software.                                    */
18 /*                                                                           */
19 /* Permission is granted to anyone to use this software for any purpose,     */
20 /* including commercial applications, and to alter it and redistribute it    */
21 /* freely, subject to the following restrictions:                            */
22 /*                                                                           */
23 /* 1. The origin of this software must not be misrepresented; you must not   */
24 /*    claim that you wrote the original software. If you use this software   */
25 /*    in a product, an acknowledgment in the product documentation would be  */
26 /*    appreciated but is not required.                                       */
27 /* 2. Altered source versions must be plainly marked as such, and must not   */
28 /*    be misrepresented as being the original software.                      */
29 /* 3. This notice may not be removed or altered from any source              */
30 /*    distribution.                                                          */
31 /*                                                                           */
32 /*****************************************************************************/
33
34
35
36 #include <stdlib.h>
37
38 /* common */
39 #include "fileid.h"
40
41 /* sp65 */
42 #include "asm.h"
43 #include "attr.h"
44 #include "bin.h"
45 #include "c.h"
46 #include "error.h"
47 #include "output.h"
48
49
50
51 /*****************************************************************************/
52 /*                                   Data                                    */
53 /*****************************************************************************/
54
55
56
57 /* Different types of output formats */
58 enum OutputFormat {
59     ofAsm,                      /* Output assembler source */
60     ofBin,                      /* Output raw binary format */
61     ofC,                        /* Output C code */
62
63     ofCount                     /* Number of output formats without ofAuto */
64 };
65
66 typedef struct OutputFormatDesc OutputFormatDesc;
67 struct OutputFormatDesc {
68
69     /* Write routine */
70     void (*Write) (const StrBuf*, const Collection*, const Bitmap*);
71
72 };
73
74 /* Table with Output formats */
75 static OutputFormatDesc OutputFormatTable[ofCount] = {
76     {   WriteAsmFile    },
77     {   WriteBinFile    },
78     {   WriteCFile      },
79 };
80
81 /* Table that maps extensions to Output formats. Must be sorted alphabetically */
82 static const FileId FormatTable[] = {
83     /* Upper case stuff for obsolete operating systems */
84     {   "A",    ofAsm           },
85     {   "ASM",  ofAsm           },
86     {   "BIN",  ofBin           },
87     {   "C",    ofC             },
88     {   "INC",  ofAsm           },
89     {   "S",    ofAsm           },
90
91     {   "a",    ofAsm           },
92     {   "asm",  ofAsm           },
93     {   "bin",  ofBin           },
94     {   "c",    ofC             },
95     {   "inc",  ofAsm           },
96     {   "s",    ofAsm           },
97 };
98
99
100
101 /*****************************************************************************/
102 /*                                   Code                                    */
103 /*****************************************************************************/
104
105
106
107 void WriteOutputFile (const StrBuf* Data, const Collection* A, const Bitmap* B)
108 /* Write the contents of Data to a file. Format, file name etc. must be given
109  * as attributes in A. If no format is given, the function tries to autodetect
110  * it by using the extension of the file name. The bitmap passed to the
111  * function is the bitmap used as source of the conversion. It may be used to
112  * determine the bitmap properties for documentation purposes.
113  */
114 {
115     const FileId* F;
116
117     /* Get the file format from the command line */
118     const char* Format = GetAttrVal (A, "format");
119     if (Format != 0) {
120         /* Format is given, search for it in the table. */
121         F = bsearch (Format,
122                      FormatTable,
123                      sizeof (FormatTable) / sizeof (FormatTable[0]),
124                      sizeof (FormatTable[0]),
125                      CompareFileId);
126         if (F == 0) {
127             Error ("Unknown output format `%s'", Format);
128         }
129     } else {
130         /* No format given, use file name extension */
131         const char* Name = NeedAttrVal (A, "name", "write");
132         F = GetFileId (Name, FormatTable,
133                        sizeof (FormatTable) / sizeof (FormatTable[0]));
134         /* Found? */
135         if (F == 0) {
136             Error ("Cannot determine file format of output file `%s'", Name);
137         }
138     }
139
140     /* Call the format specific write */
141     OutputFormatTable[F->Id].Write (Data, A, B);
142 }