Nasal: expose md5 function.
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1 changed files with 31 additions and 0 deletions
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@ -28,6 +28,7 @@
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#include <simgear/math/sg_geodesy.hxx>
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#include <simgear/math/sg_geodesy.hxx>
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#include <simgear/structure/event_mgr.hxx>
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#include <simgear/structure/event_mgr.hxx>
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#include <simgear/debug/BufferedLogCallback.hxx>
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#include <simgear/debug/BufferedLogCallback.hxx>
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#include <simgear/package/md5.h>
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#include <simgear/nasal/cppbind/from_nasal.hxx>
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#include <simgear/nasal/cppbind/from_nasal.hxx>
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#include <simgear/nasal/cppbind/to_nasal.hxx>
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#include <simgear/nasal/cppbind/to_nasal.hxx>
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@ -711,6 +712,35 @@ static naRef f_parse_markdown(naContext c, naRef me, int argc, naRef* args)
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);
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);
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}
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}
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/**
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* Create md5 hash from given string
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*
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* md5(str)
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*/
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static naRef f_md5(naContext c, naRef me, int argc, naRef* args)
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{
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nasal::CallContext ctx(c, argc, args);
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std::string const str = ctx.requireArg<std::string>(0);
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SG_MD5_CTX md5_ctx;
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SG_MD5Init(&md5_ctx);
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SG_MD5Update(&md5_ctx, (unsigned char*)str.c_str(), str.size());
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unsigned char digest[MD5_DIGEST_LENGTH];
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SG_MD5Final(digest, &md5_ctx);
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// TODO make something more generic
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// convert final sum to hex
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const char hexChar[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
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std::stringstream hexMd5;
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for (int i=0; i<MD5_DIGEST_LENGTH;++i) {
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hexMd5 << hexChar[digest[i] >> 4];
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hexMd5 << hexChar[digest[i] & 0x0f];
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}
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return ctx.to_nasal(hexMd5.str());
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}
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// Return UNIX epoch time in seconds.
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// Return UNIX epoch time in seconds.
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static naRef f_systime(naContext c, naRef me, int argc, naRef* args)
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static naRef f_systime(naContext c, naRef me, int argc, naRef* args)
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{
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{
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@ -750,6 +780,7 @@ static struct { const char* name; naCFunction func; } funcs[] = {
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{ "finddata", f_findDataDir },
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{ "finddata", f_findDataDir },
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{ "parsexml", f_parsexml },
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{ "parsexml", f_parsexml },
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{ "parse_markdown", f_parse_markdown },
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{ "parse_markdown", f_parse_markdown },
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{ "md5", f_md5 },
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{ "systime", f_systime },
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{ "systime", f_systime },
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{ 0, 0 }
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{ 0, 0 }
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};
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};
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