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I had forgotten to add pipecom.h

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Moreover, I got fed up with error due to const/non const, so I modified
PipeComSend to take a const argument. THe consequence is that it will not run
under plain C any more.
This commit is contained in:
evomarc 2001-02-01 05:17:16 +00:00
commit 1ace1cf8f9
2 changed files with 63 additions and 6 deletions
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21
eo/src/utils/eoGnuplot.h
View file

@ -67,6 +67,17 @@ class eoGnuplot
/// Class name. /// Class name.
virtual string className() const { return "eoGnuplot"; } virtual string className() const { return "eoGnuplot"; }
/** send a command to gnuplot directly
*/
void gnuplotCommand(std::string _command)
{
if( gpCom ) {
PipeComSend( gpCom, _command.c_str() );
PipeComSend( gpCom, "\n" );
}
}
protected: protected:
void initGnuPlot(std::string _title, std::string _extra); void initGnuPlot(std::string _title, std::string _extra);
// the private data // the private data
@ -99,9 +110,7 @@ void eoGnuplot::initGnuPlot(std::string _title, std::string _extra)
throw runtime_error("Impossible to spawn gnuplot\n"); throw runtime_error("Impossible to spawn gnuplot\n");
else { else {
PipeComSend( gpCom, "set grid\n" ); PipeComSend( gpCom, "set grid\n" );
char s[1024]; // because .c_str() is a const PipeComSend( gpCom, _extra.c_str() );
strcpy(s, _extra.c_str());
PipeComSend( gpCom, strdup(_extra.c_str()) );
PipeComSend( gpCom, "\n" ); PipeComSend( gpCom, "\n" );
} }
} }
@ -120,7 +129,7 @@ void eoGnuplot::initGnuPlot(std::string _title, std::string _extra)
* Created......: Mon Mar 13 13:50:11 1995 * Created......: Mon Mar 13 13:50:11 1995
* Description..: Communication par pipe bidirectionnel avec un autre process * Description..: Communication par pipe bidirectionnel avec un autre process
* *
* Ident........: $Id: eoGnuplot.h,v 1.1 2001-01-31 18:38:39 evomarc Exp $ * Ident........: $Id: eoGnuplot.h,v 1.2 2001-02-01 05:17:16 evomarc Exp $
* ---------------------------------------------------------------------- * ----------------------------------------------------------------------
*/ */
@ -211,7 +220,7 @@ PCom * PipeComOpenArgv( char *prog, char *argv[] )
} }
int PipeComSend( PCom *to, char *line ) int PipeComSend( PCom *to, const char *line )
{ {
int nb = 0; int nb = 0;
if( ! Check(to ) ) if( ! Check(to ) )
@ -222,7 +231,7 @@ int PipeComSend( PCom *to, char *line )
} }
int PipeComSendn( PCom *to, char *data, int n ) int PipeComSendn( PCom *to, const char *data, int n )
{ {
int nb = 0; int nb = 0;
if( ! Check(to) ) if( ! Check(to) )

48
eo/src/utils/pipecom.h Normal file
View file

@ -0,0 +1,48 @@
/* ----------------------------------------------------------------------
* Where........: CMAP - Polytechnique
* File.........: pipecom.h
* Author.......: Bertrand Lamy (EEAAX)
* Created......: Thu Mar 9 17:21:15 1995
* Description..: Pipe communication with a process
*
* Ident........: $Id: pipecom.h,v 1.2 2001-02-09 05:09:26 evomarc Exp $
* ----------------------------------------------------------------------
*/
#ifndef PIPECOM_H
#define PIPECOM_H
// this file cannot be used from C or C++ any more due to some const additions
// however, if you remove the const, it should work in C also
#ifdef __cplusplus
extern "C" {
#endif
#include <stdio.h>
typedef struct PipeCommunication {
FILE *fWrit;
FILE *fRead;
int pid;
} PCom;
PCom *PipeComOpen( char *prog );
PCom *PipeComOpenArgv( char *prog, char *argv[] );
int PipeComSend( PCom *to, const char *line );
int PipeComSendn( PCom *to, const char *data, int n );
int PipeComReceive( PCom *from, char *data, int max );
int PipeComClose( PCom *to );
int PipeComWaitFor( PCom *from, char *what );
#ifdef __cplusplus
} /* ferme extern "C" */
#endif
#endif /* PIPECOM_H */