Issue 144: Easy C++ Wrapper for Embedding
http://code.google.com/p/v8/issues/detail?id=144
Comment #4 by lpsantil:
Sebastien Pierre's posix.cpp as an example of using his k7 macros.
//
----------------------------------------------------------------------------
// Project : K7 - Standard Library for V8
//
-----------------------------------------------------------------------------
// Author : Sebastien Pierre <[EMAIL PROTECTED]>
//
----------------------------------------------------------------------------
// Creation date : 27-Sep-2008
// Last modification : 03-Oct-2008
//
----------------------------------------------------------------------------
#include "macros.h"
#include <stdlib.h>
#include <time.h>
// TODO: Add proper error handling
// #define MODULE "system.posix"
using namespace v8;
OBJECT(posix_FILE,1,FILE* file)
INTERNAL(0,file)
return self;
END
FUNCTION(posix_time)
ARG_COUNT(0)
return JS_int(time(NULL));
END
FUNCTION(posix_fopen)
ARG_COUNT(2)
ARG_str(path,0);
ARG_str(mode,1);
FILE* fd = fopen(*path,*mode);
return posix_FILE(fd);
END
FUNCTION(posix_fclose)
ARG_COUNT(1);
ARG_obj(fileObj,0);
EXTERNAL(FILE*,file,fileObj,0);
return JS_int(fclose(file));
END
FUNCTION(posix_popen)
ARG_COUNT(2)
ARG_str(path,0);
ARG_str(type,1);
FILE* fd = popen(*path,*type);
return posix_FILE(fd);
END
FUNCTION(posix_pclose)
ARG_COUNT(1);
ARG_obj(fileObj,0);
EXTERNAL(FILE*,file,fileObj,0);
return JS_int(pclose(file));
END
FUNCTION(posix_system)
ARG_COUNT(1);
ARG_str(command,0);
return JS_int(system(*command));
END
FUNCTION(posix_fwrite)
ARG_str(data,0);
ARG_int(size,1);
ARG_int(nmemb,2);
ARG_obj(fileObj,3);
EXTERNAL(FILE*,file,fileObj,0);
return JS_int(fwrite(*data,size,nmemb,file));
END
FUNCTION(posix_fread)
ARG_COUNT(3);
ARG_int(size,0);
ARG_int(nmemb,1);
ARG_obj(fileObj,2);
EXTERNAL(FILE*,file,fileObj,0);
if (size < 0) {
return v8::ThrowException(JS_str("Exception: invalid bufsize"));
}
char *buf = new char[size*nmemb + 1024];
size_t read = fread(buf, size, nmemb, file);
v8::Handle<v8::String> strbuf = JS_str2(buf, read);
delete [] buf;
return strbuf;
END
INIT(system_posix,"system.posix")
// FIXME: When I set the module 'time' slot to a string, accessing the
slot
// from JavaScript works, but when I BIND it to the posix_time function,
the
// JavaScript returns undefined. Even worse, the next BIND has no effect.
//module->Set(v8::String::New("time"), JS_str("system.posix.time is a
string"));
BIND("time", posix_time);
BIND("fopen", posix_fopen);
BIND("fwrite", posix_fwrite);
BIND("fread", posix_fread);
BIND("fclose", posix_fclose);
BIND("popen", posix_popen);
BIND("pclose", posix_pclose);
BIND("system", posix_system);
return module;
END
// EOF - vim: ts=4 sw=4 noet
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