From a1802176b5d2dcde6cf5165f05398e24f739fdb5 Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Fri, 24 Feb 2006 01:57:09 +0000
Subject: [PATCH] added example of interactive command line driver for Gmsh
---
utils/solvers/c++/Makefile | 7 +++-
utils/solvers/c++/interactive.cpp | 62 +++++++++++++++++++++++++++++++
2 files changed, 68 insertions(+), 1 deletion(-)
create mode 100644 utils/solvers/c++/interactive.cpp
diff --git a/utils/solvers/c++/Makefile b/utils/solvers/c++/Makefile
index 2baa56df25..5706f6bdcb 100644
--- a/utils/solvers/c++/Makefile
+++ b/utils/solvers/c++/Makefile
@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.4 2005-01-16 20:41:42 geuzaine Exp $
+# $Id: Makefile,v 1.5 2006-02-24 01:57:09 geuzaine Exp $
#
# Copyright (C) 1997-2005 C. Geuzaine, J.-F. Remacle
#
@@ -21,9 +21,14 @@
include ../../../variables
+all: solver.exe interactive.exe
+
solver.exe: solver.cpp
${CXX} ${FLAGS} ${OPTIM} -o solver.exe solver.cpp
+interactive.exe: interactive.cpp
+ ${CXX} ${FLAGS} ${OPTIM} -o interactive.exe interactive.cpp -lreadline
+
clean:
rm -f *.o *.exe *.pos
diff --git a/utils/solvers/c++/interactive.cpp b/utils/solvers/c++/interactive.cpp
new file mode 100644
index 0000000000..fc571b7fcb
--- /dev/null
+++ b/utils/solvers/c++/interactive.cpp
@@ -0,0 +1,62 @@
+#include "GmshClient.h"
+#include <readline/readline.h>
+#include <readline/history.h>
+
+// compile with: g++ interact.cpp -lreadline
+
+class GmshInteractiveClient{
+ private:
+ GmshClient _client;
+ public:
+ GmshInteractiveClient()
+ {
+ using_history();
+ char *socket = "/Users/geuzaine/.gmshsock";
+ if(_client.Connect(socket) < 0) {
+ printf("Unable to connect to Gmsh\n");
+ exit(1);
+ }
+ _client.Start();
+ }
+ ~GmshInteractiveClient()
+ {
+ _client.Stop();
+ _client.Disconnect();
+ }
+ void read(char *prompt)
+ {
+ while (1) {
+ // read input char until CR, LF, EOF, ^D
+ char *ptr = readline(prompt);
+ // exit interactive if EOF or ^D
+ if(!ptr) break;
+ // if there is something in the line
+ if(strlen(ptr)){
+ // add the command in the stack
+ add_history(ptr);
+ if(!strcmp(ptr,"q") || !strcmp(ptr, "quit")){
+ // exit interactive if q, quit, exit
+ free(ptr);
+ break;
+ }
+ else if(!strcmp(ptr, "dir") || !strcmp(ptr, "ls")){
+ // direct system calls
+ system("ls -al");
+ }
+ else{
+ // pass any other command to gmsh
+ _client.ParseString(ptr);
+ }
+ }
+ free(ptr);
+ }
+ }
+};
+
+int main()
+{
+ GmshInteractiveClient c;
+ c.read("gmsh> ");
+
+ return 0;
+}
--
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