120 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			120 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
//
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// Created by vsc on 7/6/17->
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//
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/* File : example->cxx */
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#include "streamer.h"
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extern "C" {
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extern void Java_pt_up_yap_streamerJNI_swig_1module_1init(void);
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}
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static AndroidStreamer * streamerInstance = 0;
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void setStreamer(AndroidStreamer* streamer) {
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    streamerInstance = streamer;
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    Java_pt_up_yap_streamerJNI_swig_1module_1init();
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}
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AndroidStreamer& getStreamer() {
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    return *streamerInstance;
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}
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#include <gmpxx.h>
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extern "C" {
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#include <Yap.h>
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#include <YapStreams.h>
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#include <VFS.h>
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#include <yapio.h>
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#include <iopreds.h>
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static VFS_t *andstream;
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static std::string buff0;
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static void *
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and_open(struct vfs *me, const char *name, const char *io_mode, int sno) {
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    // we assume object is already open, so there is no need to open it.
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    GLOBAL_Stream[sno].vfs_handle = streamerInstance;
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    GLOBAL_Stream[sno].vfs = me;
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    GLOBAL_Stream[sno].status = Append_Stream_f | Output_Stream_f;
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    GLOBAL_Stream[sno].name = Yap_LookupAtom(name);
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    buff0.clear(); // does not work?
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    return streamerInstance;
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}
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}
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static bool
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and_close(int sno) {
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  return true;
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}
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static int
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and_put(int sno, int ch) {
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buff0 += ch;
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 if (ch=='\n'  || buff0.length() == 128) { //buff0+= '\0';
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     streamerInstance->display(buff0);
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 }
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 return ch;
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 }
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static int
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and_get(int sno) {
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  return EOF;
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}
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static int64_t  and_seek(int sno, int64_t where, int how) {
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  return EOF;
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}
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static void
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and_flush(int sno) {
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buff0 += '\0';
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streamerInstance->display(buff0);
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//
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// Created by vsc on 11-07-2017.
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//
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}
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extern "C" {
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void Java_pt_up_yap_streamerJNI_swig_1module_1init(void) {
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    if (andstream)
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        return;
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    andstream = new VFS_t();
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    andstream->name = "android output window";
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    andstream->vflags = VFS_CAN_WRITE | VFS_HAS_PREFIX;
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    andstream->prefix = "/android";
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    andstream->suffix = NULL;
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    andstream->open = and_open;
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    andstream->close = and_close;
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    andstream->get_char = and_get;
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    andstream->put_char = and_put;
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    andstream->flush = and_flush;
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    andstream->seek = and_seek;
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    andstream->next = GLOBAL_VFS;
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    GLOBAL_VFS = andstream;
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    YAP_Term ts[1], args[1], goal;
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    ts[0] = MkAtomTerm(Yap_LookupAtom("android"));
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    args[0] = Yap_MkApplTerm(Yap_MkFunctor(Yap_LookupAtom("library"),1), 1, ts);
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    goal = Yap_MkApplTerm(Yap_MkFunctor(Yap_LookupAtom("compile"),1), 1, args);
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    YAP_RunGoalOnce(goal);
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 }
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} |