Diff: rfuncs.cpp

Revision:

0:67a55a82ce06

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rfuncs.cpp	Sun Feb 27 18:54:40 2011 +0000
@@ -0,0 +1,120 @@
+/* MMEx for MBED - RPC Command processing
+ * Copyright (c) 2011 MK
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+/**
+  \file rfuncs.cpp
+  \brief Commands starting with R or / for processing RPC
+*/
+
+#include "rfuncs.h"
+
+/** main entry for parsing R- or /-commands
+ *
+ */ 
+void parse_R() {
+  DBG_msg("parse_R", inbuf);
+  err_num = noerror;
+
+  if (inbuf[1] != NULL) {
+    switch (inbuf[1]) {
+      case rslash  : do_rslash();
+                     break;
+      case rresult : do_rresult();
+                     break;
+      case rxeq    : do_rxeq();
+                     break;            
+      default      : do_rdefault();    // command not recognized
+                     break;
+    }
+  } else { do_rdefault(); }
+}
+
+/** Define the value of the PC command string
+ *
+ *  syntax:  R/[string]      define new RPX command (same as //)
+ *  \n  or: R/>+[string]    appends to existing RPC string
+ *
+ */   
+void do_rslash() {   
+  DBG_msg("do_rslash", inbuf);
+  
+  while (inbuf[2] == c_space) remchar(inbuf, 2, 1);  // remove leading space
+  remchar(inbuf, 0, 1);                  // remove the R of 1st slash
+  
+  // now retrieve string from the command line, i starts at 3
+
+  // if first chars are not ">+" the string will be new
+  if ((inbuf[3] == c_escape) && (inbuf[4] == c_append)) {      
+    // string is append, >+ from inbuf
+    remchar(inbuf, 1, 2);
+    DBG_msg("append RPC cmd", inbuf);
+    param[par_R_].append(inbuf);    
+  } else {    
+    DBG_msg("new RPC cmd ", inbuf);
+    param[par_R_].assign(inbuf);      // no append, assign string
+  }    
+}
+
+/** Return the result of the previous RPC operation
+ *
+ *  syntax:  RR or /R
+ */ 
+void do_rresult() {
+  char * cstr;
+  
+  DBG_msg("do_rresult", inbuf);
+  cstr = new char [param[par_S_].size() + 1];
+  strcpy(cstr, param[par_S_].c_str());
+  DBG_msg("RPC result", cstr); 
+  upstring(cstr);
+  mldl.tx_string(cstr);  
+  delete[] cstr;
+}
+
+/** Execute the current RPC string
+ *
+ *  syntax:  RX or /X
+ */
+void do_rxeq() {
+  char outbuf[256];
+  char * cstr;
+      
+  DBG_msg("do_rxeq", inbuf);
+  
+  cstr = new char [param[par_R_].size() + 1];
+  strcpy(cstr, param[par_R_].c_str());
+  DBG_msg("RPC execute", cstr);    
+
+  rpc(cstr, outbuf);                // do the RPC
+  delete[] cstr;
+  
+  DBG_msg("RPC result", outbuf);  
+  param[par_S_].assign(outbuf);     // store result
+}
+
+/** send error message, command not recognized
+ *
+ */    
+void do_rdefault() {
+  DBG_msg("do_rdefault", inbuf);
+  send_error(err_notrecognized); 
+}
\ No newline at end of file