Export TDBJSN class so it can be used by EOM tables

  modified:   storage/connect/filamtxt.cpp
  modified:   storage/connect/tabdos.cpp
  modified:   storage/connect/tabjson.cpp
  modified:   storage/connect/tabjson.h

storage/connect/filamtxt.cpp

@@ -71,8 +71,23 @@ TXTFAM::TXTFAM(PDOSDEF tdp)
   {
   Tdbp = NULL;
   To_Fb = NULL;
-  To_File = tdp->Fn;
-  Lrecl = tdp->Lrecl;
+
+	if (tdp) {
+		To_File = tdp->Fn;
+		Lrecl = tdp->Lrecl;
+		Eof = tdp->Eof;
+		Ending = tdp->Ending;
+	} else {
+		To_File = NULL;
+		Lrecl = 0;
+		Eof = false;
+#if defined(__WIN__)
+		Ending = 2;
+#else
+		Ending = 1;
+#endif
+	}	// endif tdp
+
   Placed = false;
   IsRead = true;
   Blocked = false;
@@ -103,8 +118,6 @@ TXTFAM::TXTFAM(PDOSDEF tdp)
   Blksize = 0;
   Fpos = Spos = Tpos = 0;
   Padded = false;
-  Eof = tdp->Eof;
-  Ending = tdp->Ending;
   Abort = false;
   CrLf = (char*)(Ending == 1 ? "\n" : "\r\n");
   } // end of TXTFAM standard constructor

storage/connect/tabdos.cpp

@@ -2358,7 +2358,7 @@ DOSCOL::DOSCOL(PGLOBAL g, PCOLDEF cdp, PTDB tp, PCOL cp, int i, PSZ am)
   Dval = NULL;
   Buf = NULL;
 
-  if (txfp->Blocked && Opt && (cdp->GetMin() || cdp->GetDval())) {
+  if (txfp && txfp->Blocked && Opt && (cdp->GetMin() || cdp->GetDval())) {
     int nblk = txfp->GetBlock();
 
     Clustered = (cdp->GetXdb2()) ? 2 : 1;

storage/connect/tabjson.cpp

@@ -441,7 +441,7 @@ PTDB JSONDEF::GetTable(PGLOBAL g, MODE m)
 
 		if (Zipped) {
 #if defined(ZIP_SUPPORT)
-			if (m == MODE_READ || m == MODE_UPDATE) {
+			if (m == MODE_READ || m == MODE_READX) {
 				txfp = new(g) UNZFAM(this);
 			} else if (m == MODE_INSERT) {
 				txfp = new(g) ZIPFAM(this);
@@ -486,7 +486,7 @@ PTDB JSONDEF::GetTable(PGLOBAL g, MODE m)
 	} else {
 		if (Zipped)	{
 #if defined(ZIP_SUPPORT)
-			if (m == MODE_READ || m == MODE_UPDATE) {
+			if (m == MODE_READ || m == MODE_READX) {
 				txfp = new(g) UNZFAM(this);
 			} else if (m == MODE_INSERT) {
 				strcpy(g->Message, "INSERT supported only for zipped JSON when pretty=0");

storage/connect/tabjson.h

 /*************** tabjson H Declares Source Code File (.H) **************/
-/*  Name: tabjson.h   Version 1.1                                      */
+/*  Name: tabjson.h   Version 1.2                                      */
 /*                                                                     */
-/*  (C) Copyright to the author Olivier BERTRAND          2014 - 2015  */
+/*  (C) Copyright to the author Olivier BERTRAND          2014 - 2017  */
 /*                                                                     */
 /*  This file contains the JSON classes declares.                      */
 /***********************************************************************/
@@ -32,7 +32,7 @@ typedef struct _jnode {
 /***********************************************************************/
 /*  JSON table.                                                        */
 /***********************************************************************/
-class JSONDEF : public DOSDEF {                   /* Table description */
+class DllExport JSONDEF : public DOSDEF {         /* Table description */
   friend class TDBJSON;
   friend class TDBJSN;
   friend class TDBJCL;
@@ -66,7 +66,7 @@ class JSONDEF : public DOSDEF {                   /* Table description */
 /*  This is the JSN Access Method class declaration.                   */
 /*  The table is a DOS file, each record being a JSON object.          */
 /***********************************************************************/
-class TDBJSN : public TDBDOS {
+class DllExport TDBJSN : public TDBDOS {
   friend class JSONCOL;
 	friend class JSONDEF;
 public:
@@ -127,7 +127,7 @@ class TDBJSN : public TDBDOS {
 /***********************************************************************/
 /*  Class JSONCOL: JSON access method column descriptor.               */
 /***********************************************************************/
-class JSONCOL : public DOSCOL {
+class DllExport JSONCOL : public DOSCOL {
   friend class TDBJSN;
   friend class TDBJSON;
  public:
@@ -174,7 +174,7 @@ class JSONCOL : public DOSCOL {
 /***********************************************************************/
 /*  This is the JSON Access Method class declaration.                  */
 /***********************************************************************/
-class TDBJSON : public TDBJSN {
+class DllExport TDBJSON : public TDBJSN {
 	friend class JSONDEF;
 	friend class JSONCOL;
  public:
@@ -221,7 +221,7 @@ class TDBJSON : public TDBJSN {
 /***********************************************************************/
 /*  This is the class declaration for the JSON catalog table.          */
 /***********************************************************************/
-class TDBJCL : public TDBCAT {
+class DllExport TDBJCL : public TDBCAT {
  public:
   // Constructor
   TDBJCL(PJDEF tdp);