cmDspPgmJsonToDot.h/c, Makefile : Initial working version of cmDspPgmJsonToDot

Makefile.am

@@ -77,8 +77,8 @@ cmSRC += src/libcm/cmProcObj.c src/libcm/cmProc.c src/libcm/cmProc2.c src/libcm/
 cmHDR += src/libcm/app/cmOnset.h src/libcm/app/cmTimeLine.h src/libcm/app/cmScore.h src/libcm/app/cmScoreProc.h 
 cmSRC += src/libcm/app/cmOnset.c src/libcm/app/cmTimeLine.c src/libcm/app/cmScore.c src/libcm/app/cmScoreProc.c 
 
-cmHDR += src/libcm/app/cmSdb.h  src/libcm/app/cmTakeSeqBldr.h
-cmSRC += src/libcm/app/cmSdb.c  src/libcm/app/cmTakeSeqBldr.c
+cmHDR += src/libcm/app/cmSdb.h  src/libcm/app/cmTakeSeqBldr.h  src/libcm/app/cmDspPgmJsonToDot.h
+cmSRC += src/libcm/app/cmSdb.c  src/libcm/app/cmTakeSeqBldr.c  src/libcm/app/cmDspPgmJsonToDot.c
 
 cmHDR += src/libcm/app/cmPickup.h src/libcm/cmRbm.h src/libcm/cmTaskMgr.h  src/libcm/cmSyncRecd.h
 cmSRC += src/libcm/app/cmPickup.c src/libcm/cmRbm.c src/libcm/cmTaskMgr.c  src/libcm/cmSyncRecd.c

app/cmDspPgmJsonToDot.c

@@ -1,85 +1,430 @@
+#include "cmPrefix.h"
+#include "cmGlobal.h"
+#include "cmFloatTypes.h"
+#include "cmComplexTypes.h"
+#include "cmRpt.h"
+#include "cmErr.h"
+#include "cmCtx.h"
+#include "cmMem.h"
+#include "cmMallocDebug.h"
+#include "cmLinkedHeap.h"
+#include "cmSymTbl.h"
+#include "cmJson.h"
+#include "cmText.h"
+#include "cmDspPgmJsonToDot.h"
+#include "cmFile.h"
+#include "cmFileSys.h"
+
+struct cmDotProc_str;
 
 typedef struct cmDotPort_str
 {
-  cmChar_t*             label;
+  struct cmDotProc_str* proc;
+  cmChar_t*             labelStr;
+  unsigned              portNo;
+  unsigned              connCnt;  // count of connections to this port
   struct cmDotPort_str* link;
 } cmDotPort_t;
 
 typedef struct cmDotProc_str
 {
-  cmChar_t*             class;
-  cmChar_t*             inst;
+  cmChar_t*             classStr;
+  cmChar_t*             instStr;
+  cmChar_t*             outStr;
+  unsigned              portCnt;
+  bool                  skipFl;
   
-  cmDotPort_t*          list;
+  cmDotPort_t*          ports;
   struct cmDotProc_str* link;
 } cmDotProc_t;
 
+typedef struct cmDotConn_str
+{
+  cmDotPort_t*          srcPort; // output
+  cmDotPort_t*          dstPort; // input
+  bool                  skipFl;
+  struct cmDotConn_str* link;
+} cmDotConn_t;
+
+
 typedef struct cmDot_str
 {
-  cmDotProc_t* list;
+  cmErr_t      err;
+  cmLHeapH_t   lH;
+  cmDotProc_t* procs;
+  cmDotConn_t* conns;
 } cmDot_t;
 
+typedef struct
+{
+  const cmChar_t* s0;
+  const cmChar_t* s1;
+} cmDotSubst_t;
+
+cmDotSubst_t _cmDotSubstArray[] =
+{
+  { "Router",     "Rtr" },
+  { "Scalar",     "Sc"  },
+  { "ScaleRange", "SR"  },
+  { "MsgList",    "ML"  },
+  { "Button",     "Btn" },
+  { "PortToSym",  "PtS" },
+  { "1ofN",       "lOfN"},
+  { NULL, NULL }
+};
+
+const cmChar_t* _cmDotSkipClassArray[] =
+{
+  "Scalar",
+  NULL
+};
+
+void _cmDotReplaceDash( cmChar_t* str )
+{
+  cmChar_t* s = str;
+  for(; *s; ++s )
+    if( *s == '-' )
+      *s = '_';
+}
+
+cmChar_t* _cmDotSubstitute( cmDot_t* p, const cmChar_t* label )
+{
+  unsigned i;
+  cmChar_t* s = cmLhAllocStr(p->lH,label);
+  
+  for(i=0; _cmDotSubstArray[i].s0 != NULL; ++i)
+  {
+    unsigned n0 = cmTextLength(_cmDotSubstArray[i].s0);
+    
+    if( cmTextCmpN( _cmDotSubstArray[i].s0, s, n0 ) == 0 )
+    {
+      unsigned n1 = cmTextLength(_cmDotSubstArray[i].s1);
+      assert(n0>=n1);
+      cmTextShrinkS(s,s+n1,n0-n1);
+      strncpy(s,_cmDotSubstArray[i].s1,n1);
+    }
+  }
+  
+  return s;
+}
 
-void _cmDotNewProc( cmDot_t* p, const cmChar_t* class, const cmChar_t* inst )
+bool _cmDotIsSkipClass( const cmChar_t* classStr )
 {
+  unsigned i;
+
+  for(i=0; _cmDotSkipClassArray[i]!=NULL; ++i)
+    if( cmTextCmp(_cmDotSkipClassArray[i],classStr) == 0 )
+      return true;
   
+  return false;
 }
 
-void _cmDotNewPort( cmDot_t* p, const cmChar_t* srcStr, const cmChar_t* srcPortStr, const cmChar_t* dstStr, const cmChar_t* dstPortStr )
+cmDotPort_t* _cmDotFindPort( cmDotProc_t* proc, const cmChar_t* labelStr )
 {
+  cmDotPort_t* port =  proc->ports;
+  for(; port!=NULL; port=port->link)
+    if( cmTextCmp(port->labelStr,labelStr) == 0 )
+      return port;
+
+  return NULL;
 }
 
+cmDotProc_t* _cmDotFindProc( cmDot_t* p, const cmChar_t* instStr )
+{
+  cmDotProc_t* dp = p->procs;
+  for(; dp!=NULL; dp=dp->link)
+    if( cmTextCmp(dp->instStr,instStr) == 0 )
+      return dp;
 
-cmDotRC_t cmDspPgmJsonToDot( cmCtx_t* ctx, const cmChar_t* inFn, const cmChar_t* outFn )
+  return NULL;
+}
+
+cmDotPort_t* _cmDotNewPort( cmDot_t* p, cmDotProc_t* proc, const cmChar_t* labelStr )
+{
+  cmDotPort_t* port = NULL;
+
+  if( labelStr==NULL || cmTextLength(labelStr)==0 )
+  {
+    cmErrMsg(&p->err,kInvalidArgDotRC,"A blank port label was encountered.");
+    return NULL;
+  }
+  
+  if((port = _cmDotFindPort(proc,labelStr)) != NULL )
+    return port;
+
+  port = cmLhAllocZ(p->lH,cmDotPort_t,1);
+
+  port->proc      = proc;
+  port->labelStr  = cmLhAllocStr(p->lH,labelStr);
+  port->portNo    = proc->portCnt;
+ 
+  proc->portCnt += 1;
+
+  cmDotPort_t* p0 = NULL;
+  cmDotPort_t* p1 = proc->ports;
+  for(; p1!=NULL; p1=p1->link)
+    p0 = p1;
+
+  if( p0 == NULL )
+    proc->ports = port;
+  else
+    p0->link = port;
+  
+  return port;
+}
+
+cmDotRC_t _cmDotNewConnection( cmDot_t* p, const cmChar_t* srcProcStr, const cmChar_t* srcPortStr, const cmChar_t* dstProcStr, const cmChar_t* dstPortStr )
+{
+  cmDotRC_t    rc = kOkDotRC;
+  cmDotProc_t* srcProc;
+  cmDotProc_t* dstProc;
+  cmDotPort_t* srcPort;
+  cmDotPort_t* dstPort;
+  cmDotConn_t* conn;
+  cmDotConn_t* c0 = NULL;
+  cmDotConn_t* c1 = p->conns;
+
+  // find the source (output) proc
+  if((srcProc = _cmDotFindProc(p,srcProcStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The connection source proc instance '%s' could not be found.",cmStringNullGuard(srcProcStr));
+    goto errLabel;
+  }
+
+
+  // find the dest (input) proc
+  if((dstProc = _cmDotFindProc(p,dstProcStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The connection destination proc instance '%s' could not be found.",cmStringNullGuard(dstProcStr));
+    goto errLabel;
+  }
+
+  // find the source port
+  if((srcPort = _cmDotNewPort(p,srcProc,srcPortStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The source port %s:%s could not be found or allocated.",cmStringNullGuard(srcProc->instStr),cmStringNullGuard(srcPortStr));
+    goto errLabel;
+  }
+
+  // find the dest port
+  if((dstPort = _cmDotNewPort(p,dstProc,dstPortStr)) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kInvalidArgDotRC,"The destination port %s:%s could not be found or allocated.",cmStringNullGuard(dstProc->instStr),cmStringNullGuard(dstPortStr));
+    goto errLabel;
+  }
+
+  conn = cmLhAllocZ(p->lH,cmDotConn_t,1);
+
+  conn->srcPort = srcPort;
+  conn->dstPort = dstPort;
+  conn->skipFl  = _cmDotIsSkipClass(srcProc->classStr) || _cmDotIsSkipClass(dstProc->classStr);
+
+  // track the number of connections to each port
+  if( !conn->skipFl )
+  {
+    conn->dstPort->connCnt += 1;
+    conn->srcPort->connCnt += 1;
+  }
+
+  
+  // set c0 to point to the last connection record
+  for(; c1!=NULL; c1=c1->link)
+    c0 = c1;
+
+  // make conn the last connection record
+  if( c0 == NULL )
+    p->conns = conn;
+  else
+    c0->link = conn;
+
+ errLabel:
+  return rc;
+}
+
+
+cmDotRC_t _cmDotNewProc( cmDot_t* p, const cmChar_t* classStr, const cmChar_t* instStr )
+{
+  cmDotRC_t rc = kOkDotRC;
+  
+  if( instStr==NULL || cmTextLength(instStr)==0 )
+    return cmErrMsg(&p->err,kInvalidArgDotRC,"A blank or NULL instance label was encountered.");
+
+  if( _cmDotFindProc( p, instStr ) )
+    return cmErrMsg(&p->err,kInvalidArgDotRC,"A duplicate processor instance was encountered ('%s').",instStr);
+
+  cmDotProc_t* ndp = cmLhAllocZ(p->lH,cmDotProc_t,1);
+
+  ndp->classStr = cmLhAllocStr(p->lH,classStr);
+  ndp->instStr  = cmLhAllocStr(p->lH,instStr);
+  ndp->outStr   = _cmDotSubstitute(p,instStr);
+  ndp->skipFl   = _cmDotIsSkipClass(classStr);
+
+  cmDotProc_t* d0p = NULL;
+  cmDotProc_t* d1p = p->procs;
+
+  for(; d1p!=NULL; d1p=d1p->link )
+    d0p = d1p;
+
+  if( d0p == NULL )
+    p->procs = ndp;
+  else
+    d0p->link = ndp;
+  
+  return rc;
+}
+
+unsigned _cmDotProcConnCount( cmDotProc_t* proc )
 {
-  cmDotRC_t rc  = kOkDotRC;
-  cmJsonH_t jsH = cmJsonNullHandle;
-  cmErr_t   err;
-  cmJsonNode_t* arr;
-    cmJsonNode_t* rp;
-    const char* errLbl = NULL;
+  unsigned connN = 0;
   
-  cmErrSetup(&err,&ctx->rpt,"cmDspPgmJsonToDot");
+  cmDotPort_t* port = proc->ports;
+  for(; port!=NULL; port=port->link)
+    connN += port->connCnt;
+
+  return connN;
+}
+
+cmDotRC_t _cmDotWriteOutput( cmDot_t* p, const cmChar_t* outFn )
+{
+  cmDotRC_t rc = kOkDotRC;
+  
+  cmFileH_t fH = cmFileNullHandle;
+
+  cmFileSysPathPart_t* pathParts = cmFsPathParts(outFn);
+  const cmChar_t* fn = NULL;
   
+  if( pathParts == NULL )
+  {
+    rc = cmErrMsg(&p->err,kFileFailDotRC,"The output file name '%s' could be parsed.",cmStringNullGuard(outFn));
+    goto errLabel;
+  }
+
+  if((fn = cmFsMakeFn( pathParts->dirStr, pathParts->fnStr, "dot", NULL )) == NULL )
+  {
+    rc = cmErrMsg(&p->err,kFileFailDotRC,"The output file name could not be formed.");
+    goto errLabel;
+  }
+
+  if( cmFileOpen(&fH,fn,kWriteFileFl,p->err.rpt) != kOkFileRC )
+  {
+    rc = cmErrMsg(&p->err,kFileFailDotRC,"The output file '%s' could not be created.",cmStringNullGuard(outFn));
+    goto errLabel;
+  }
+
+  cmFilePrintf(fH,"digraph dsppgm\n{\n node [shape=record]\n");
+
+  cmDotProc_t* proc = p->procs;
+  for(; proc!=NULL; proc=proc->link )
+    if( proc->skipFl==false && _cmDotProcConnCount(proc)>0 )
+    { 
+      cmFilePrintf(fH,"\"%s\" [label=\"<n> %s",proc->outStr,proc->outStr);
+      
+      cmDotPort_t* port = proc->ports;
+      for(; port!=NULL; port=port->link)
+        if( port->connCnt > 0 )
+          cmFilePrintf(fH,"|<p%i> %s",port->portNo,port->labelStr);
+      
+      cmFilePrintf(fH,"\"];\n");
+    }
+  
+  cmDotConn_t* c = p->conns;
+  for(; c!=NULL; c=c->link)
+    if( !c->skipFl )
+    {
+      cmFilePrintf(fH,"\"%s\":p%i -> \"%s\":p%i;\n",
+        c->srcPort->proc->outStr,c->srcPort->portNo,
+        c->dstPort->proc->outStr,c->dstPort->portNo );
+    }
+  
+  cmFilePrintf(fH,"}\n");
+   
+ errLabel:
+  cmFileClose(&fH);
+  cmFsFreeFn(fn);
+  cmFsFreePathParts(pathParts);
+  return rc;
+}
+
+cmDotRC_t cmDspPgmJsonToDot( cmCtx_t* ctx, const cmChar_t* inFn, const cmChar_t* outFn )
+{
+  cmDotRC_t       rc     = kOkDotRC;
+  cmJsonH_t       jsH    = cmJsonNullHandle;
+  cmJsonNode_t*   arr    = NULL;
+  cmJsonNode_t*   rp     = NULL;
+  const char*     errLbl = NULL;
+  cmDot_t         dot;
+  unsigned        i;
+  cmDot_t*        p = &dot;
+
+  memset(p,0,sizeof(dot));
+  
+  cmErrSetup(&p->err,&ctx->rpt,"cmDspPgmJsonToDot");
+
+  // open the pgm description json file
   if( cmJsonInitializeFromFile( &jsH, inFn, ctx ) != kOkJsRC )
-    return cmErrMsg(&err,kJsonFailDotRC,"The program description file '%s' could not be opened.",cmStringNullGuard(inFn));
+    return cmErrMsg(&p->err,kJsonFailDotRC,"The program description file '%s' could not be opened.",cmStringNullGuard(inFn));
+
+  // create an lheap to hold internal data objects
+  if(cmLHeapIsValid( p->lH = cmLHeapCreate( 8192, ctx))==false )
+  {
+    rc = cmErrMsg(&p->err,kLHeapFailDotRC,"The internal LHeap could not be created.");
+    goto errLabel;
+  }
 
+  // locate the proc instance desc. array in the JSON tree
   if((arr = cmJsonFindValue(jsH, "inst_array", NULL, kArrayTId )) == NULL )
   {
+    rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'inst_array' tag was not found.");
+    goto errLabel;
   }
 
+  // get a count of proc instances
   unsigned n = cmJsonChildCount(arr);
-  
+
+  // parse each proc instance
   for(i=0; i<n; ++i)
   {
     
     if((rp = cmJsonArrayElement(arr,i)) == NULL )
     {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'inst_array' element %i was not found.",i);
+      goto errLabel;      
     }
 
     cmChar_t* classStr = NULL;
     cmChar_t* instStr = NULL;
     if( cmJsonMemberValues(rp, &errLbl,
         "class", kStringTId, &classStr,
-        "label", kStringTId, &instStr
+        "label", kStringTId, &instStr,
         NULL ) != kOkJsRC )
     {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'inst_array' element %i parse failed.",i);
+      goto errLabel;      
     }
 
+    // create a proc instance data record
     _cmDotNewProc( p, classStr, instStr );
     
   }
 
+  // locate the connection desc array in the JSON tree
   if((arr = cmJsonFindValue(jsH, "conn_array", NULL, kArrayTId)) == NULL )
   {
+    rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'conn_array' tag was not found.");
+    goto errLabel;
   }
 
-  unsigned n = cmJsonChildCount(arr);
+  // get a count of the connections
+  n = cmJsonChildCount(arr);
 
+  // for each connection
   for(i=0; i<n; ++i)
   {
+    
     if((rp = cmJsonArrayElement(arr,i)) == NULL )
     {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'conn_array' element %i was not found.",i);
+      goto errLabel;      
     }
 
     cmChar_t* srcStr     = NULL;
@@ -94,17 +439,21 @@ cmDotRC_t cmDspPgmJsonToDot( cmCtx_t* ctx, const cmChar_t* inFn, const cmChar_t*
         "dvar", kStringTId, &dstPortStr,
         NULL) != kOkJsRC )
     {
+      rc = cmErrMsg(&p->err,kJsonSyntaxErrDotRC,"The 'conn_array' element %i parse failed.",i);
+      goto errLabel;      
     }
 
-    _cmDotNewPort( p, srcStr, srcPortStr, dstStr, dstPortStr );
-    
+    // create a connection data record
+    _cmDotNewConnection( p, srcStr, srcPortStr, dstStr, dstPortStr );    
     
   }
   
+  rc = _cmDotWriteOutput(p, outFn );
 
   
  errLabel:
   cmJsonFinalize(&jsH);
+  cmLHeapDestroy(&p->lH);
   
   return rc;
 }

app/cmDspPgmJsonToDot.h

@@ -7,13 +7,17 @@ extern "C" {
 
   enum
   {
-    kOkDotRC,
-    kJsonFailDotRC
+    kOkDotRC = cmOkRC,
+    kJsonFailDotRC,
+    kJsonSyntaxErrDotRC,
+    kInvalidArgDotRC,
+    kLHeapFailDotRC,
+    kFileFailDotRC
   };
 
   typedef unsigned cmDotRC_t;
 
-  
+  cmDotRC_t cmDspPgmJsonToDot( cmCtx_t* ctx, const cmChar_t* inFn, const cmChar_t* outFn );
   
 #ifdef __cplusplus
 }