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authorMike Buland <eichlan@xagasoft.com>2012-02-09 03:55:59 +0000
committerMike Buland <eichlan@xagasoft.com>2012-02-09 03:55:59 +0000
commit5a6476514c075743ca13d566bd306b2d71d1952a (patch)
treed995359aa43c593992be6ec11147a20e2932e732 /src
parent4b1ab50fb061c5abe6727d031b7fec72bfa97c7d (diff)
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bin2cpp added. It's nearly done. I want to add a StaticMemBuf class to
libbu++ and then use that to minimize memory usage in the bin2cpp generated classes. That should go really quickly.
Diffstat (limited to 'src')
-rw-r--r--src/tools/bin2cpp.cpp194
1 files changed, 194 insertions, 0 deletions
diff --git a/src/tools/bin2cpp.cpp b/src/tools/bin2cpp.cpp
new file mode 100644
index 0000000..4a0befa
--- /dev/null
+++ b/src/tools/bin2cpp.cpp
@@ -0,0 +1,194 @@
1#include <bu/sio.h>
2#include <bu/optparser.h>
3#include <bu/file.h>
4#include <bu/deflate.h>
5#include <bu/bzip2.h>
6#include <bu/base64.h>
7#include <bu/streamstack.h>
8
9#include <bu/strfilter.h>
10
11using namespace Bu;
12
13class Options : public OptParser
14{
15public:
16 Options( int argc, char *argv[] ) :
17 sOutBase("bin")
18 {
19 addOption( sOutBase, 'o', "Output base filename [default=\"bin\"]");
20 addOption( slot(this, &Options::addFilter), 'f', "Add filter: deflate, bzip2, base64");
21 setNonOption( slot(this, &Options::addInput) );
22 addHelpOption();
23
24 parse( argc, argv );
25 }
26
27 virtual ~Options()
28 {
29 }
30
31 int addFilter( Bu::StrArray aArgs )
32 {
33 slFilter.append( aArgs[1] );
34 return 1;
35 }
36
37 int addInput( Bu::StrArray aArgs )
38 {
39 sio << "Input: " << aArgs[0] << sio.nl;
40 slInput.append( aArgs[0] );
41 return 0;
42 }
43
44 Bu::String sOutBase;
45 Bu::StringList slInput;
46 Bu::StringList slFilter;
47};
48
49int main( int argc, char *argv[] )
50{
51 Options opt( argc, argv );
52
53 File fHdrOut( opt.sOutBase + ".h", File::WriteNew );
54 File fSrcOut( opt.sOutBase + ".cpp", File::WriteNew );
55
56 Formatter fHdr( fHdrOut );
57 Formatter fSrc( fSrcOut );
58 fHdr << "#ifndef BIN2CPP_DATAFILE_H" << fHdr.nl
59 << "#define BIN2CPP_DATAFILE_H" << fHdr.nl << fHdr.nl
60 << "#include <bu/string.h>" << fHdr.nl
61 << "#include <bu/streamstack.h>" << fHdr.nl
62 << fHdr.nl
63 << "class Datafiles" << fHdr.nl
64 << "{" << fHdr.nl
65 << "public:" << fHdr.nl
66 << "\tclass File { public: int iSize; const char *data; const char *flt; };" << fHdr.nl << fHdr.nl
67 << "\tstatic const File &getFile( const Bu::String &sName );" << fHdr.nl
68 << "\tstatic Bu::StreamStack *open( const Bu::String &sName );" << fHdr.nl
69 << "\tstatic Bu::StreamStack *openRaw( const Bu::String &sName );" << fHdr.nl
70 << "\tstatic Bu::String getString( const Bu::String &sName );" << fHdr.nl
71 << "\tstatic Bu::String getStringRaw( const Bu::String &sName );" << fHdr.nl
72 << fHdr.nl;
73 fHdr << "public:" << fHdr.nl
74 << "\tstatic const File aFile[];" << fHdr.nl
75 << "};" << fHdr.nl << fHdr.nl;
76 fHdr << "#endif";
77
78 fSrc << "#include \"" << opt.sOutBase << ".h\"" << fSrc.nl
79 << "#include <bu/deflate.h>" << fSrc.nl
80 << "#include <bu/bzip2.h>" << fSrc.nl
81 << "#include <bu/base64.h>" << fSrc.nl
82 << "#include <bu/strfilter.h>" << fSrc.nl
83 << "#include <bu/membuf.h>" << fSrc.nl << fSrc.nl
84 << "const Datafiles::File Datafiles::aFile[] = {" << fSrc.nl;
85
86 for( Bu::StringList::iterator i = opt.slInput.begin(); i; i++ )
87 {
88 File fIn( *i, File::Read );
89 Bu::String sDat;
90 char buf[1024];
91 while( !fIn.isEos() )
92 {
93 sDat.append( buf, fIn.read( buf, 1024 ) );
94 }
95
96 Bu::String sFltDesc;
97 for( Bu::StringList::iterator f = opt.slFilter.begin(); f; f++ )
98 {
99 if( *f == "deflate" )
100 {
101 sDat = encodeStr<Deflate>( sDat );
102 sFltDesc.prepend("d");
103 }
104 else if( *f == "bzip2" )
105 {
106 sDat = encodeStr<BZip2>( sDat );
107 sFltDesc.prepend("b");
108 }
109 else if( *f == "base64" )
110 {
111 sDat = encodeStr<Base64>( sDat );
112 sFltDesc.prepend("6");
113 }
114 else
115 {
116 sio << "No known filter named " << *f << sio.nl;
117 return 1;
118 }
119 }
120
121 fSrc << " {" << sDat.getSize() << ", \"";
122
123 for( Bu::String::iterator j = sDat.begin(); j; j++ )
124 {
125 fSrc << "\\x" << Fmt::hex() << (unsigned char)*j;
126 }
127 fSrc << "\", \"" << sFltDesc << "\"}," << fSrc.nl;
128 }
129 fSrc << "};" << fSrc.nl << fSrc.nl;
130
131 fSrc << "const Datafiles::File &Datafiles::getFile( const Bu::String &sName )"
132 << fSrc.nl
133 << "{" << fSrc.nl
134 << "\tswitch( Bu::__calcHashCode( sName ) )" << fSrc.nl
135 << "\t{" << fSrc.nl;
136
137 int idx = 0;
138 for( Bu::StringList::iterator i = opt.slInput.begin(); i; i++ )
139 {
140 fSrc << "\t\tcase " << Bu::__calcHashCode( *i ) << "UL:" << fSrc.nl
141 << "\t\t\treturn aFile[" << idx << "];" << fSrc.nl;
142 idx++;
143 }
144 fSrc << "\t}" << fSrc.nl
145 << "\tthrow Bu::ExceptionBase(\"No file matching \\\"%s\\\" found.\", sName.getStr() );" << fSrc.nl
146 << "}" << fSrc.nl << fSrc.nl;
147
148 fSrc << "Bu::StreamStack *Datafiles::open( const Bu::String &sName )" << fSrc.nl
149 << "{" << fSrc.nl
150 << "\tconst File &f = getFile( sName );" << fSrc.nl
151 << "\tBu::StreamStack *s = new Bu::StreamStack( new Bu::MemBuf( Bu::String( f.data, f.iSize ) ) );" << fSrc.nl
152 << "\tfor( const char *t = f.flt; *t; t++ )" << fSrc.nl
153 << "\t{" << fSrc.nl
154 << "\t\tswitch( *t )" << fSrc.nl
155 << "\t\t{" << fSrc.nl
156 << "\t\t\tcase 'd': s->pushFilter<Bu::Deflate>(); break;" << fSrc.nl
157 << "\t\t\tcase 'b': s->pushFilter<Bu::BZip2>(); break;" << fSrc.nl
158 << "\t\t\tcase '6': s->pushFilter<Bu::Base64>(); break;" << fSrc.nl
159 << "\t\t}" << fSrc.nl
160 << "\t}" << fSrc.nl
161 << "\treturn s;" << fSrc.nl
162 << "}" << fSrc.nl << fSrc.nl;
163
164 fSrc << "Bu::StreamStack *Datafiles::openRaw( const Bu::String &sName )" << fSrc.nl
165 << "{" << fSrc.nl
166 << "\tconst File &f = getFile( sName );" << fSrc.nl
167 << "\treturn new Bu::StreamStack( new Bu::MemBuf( Bu::String( f.data, f.iSize ) ) );" << fSrc.nl
168 << "}" << fSrc.nl << fSrc.nl;
169
170 fSrc << "Bu::String Datafiles::getString( const Bu::String &sName )" << fSrc.nl
171 << "{" << fSrc.nl
172 << "\tconst File &f = getFile( sName );" << fSrc.nl
173 << "\tBu::String s( f.data, f.iSize );" << fSrc.nl
174 << "\tfor( const char *t = f.flt; *t; t++ )" << fSrc.nl
175 << "\t{" << fSrc.nl
176 << "\t\tswitch( *t )" << fSrc.nl
177 << "\t\t{" << fSrc.nl
178 << "\t\t\tcase 'd': s = Bu::decodeStr<Bu::Deflate>( s ); break;" << fSrc.nl
179 << "\t\t\tcase 'b': s = Bu::decodeStr<Bu::BZip2>( s ); break;" << fSrc.nl
180 << "\t\t\tcase '6': s = Bu::decodeStr<Bu::Base64>( s ); break;" << fSrc.nl
181 << "\t\t}" << fSrc.nl
182 << "\t}" << fSrc.nl
183 << "\treturn s;" << fSrc.nl
184 << "}" << fSrc.nl << fSrc.nl;
185
186 fSrc << "Bu::String Datafiles::getStringRaw( const Bu::String &sName )" << fSrc.nl
187 << "{" << fSrc.nl
188 << "\tconst File &f = getFile( sName );" << fSrc.nl
189 << "\treturn Bu::String( f.data, f.iSize );" << fSrc.nl
190 << "}" << fSrc.nl << fSrc.nl;
191
192 return 0;
193}
194
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