c79deb301511fcf0de0ed376c7746e4902804472
chmalee
  Fri May 5 16:59:33 2023 -0700
Experiment number one, can succesfully upload a file and store it via
hgCustom. New userdata library for managing where to store the files

Get skeleton structure of new cgi together

More work in progress, mostly stubbing out the CGI

More work in progress, mostly stubbing out the html page

diff --git src/hg/inc/cartJson.h src/hg/inc/cartJson.h
index 7fe745b..1fb828d 100644
--- src/hg/inc/cartJson.h
+++ src/hg/inc/cartJson.h
@@ -1,76 +1,79 @@
 /* cartJson - parse and execute JSON commands to update cart and/or return cart data as JSON. */
 
 #ifndef CARTJSON_H
 #define CARTJSON_H
 
 #include "cart.h"
 #include "hash.h"
 #include "jsonWrite.h"
 #include "hgFind.h"
 
 #define CARTJSON_COMMAND "cjCmd"
 
 struct cartJson
     // Use the cart to perform commands dispatched from handlerHash; print results with jsonWrite.
     {
     struct cart *cart;
     struct hash *handlerHash;
     struct jsonWrite *jw;
     };
 
 typedef void CartJsonHandler(struct cartJson *cj, struct hash *paramHash);
 /* Implementation of some command; paramHash associates parameter names with
  * jsonElement values.  For use with cartJsonRegisterHandler. */
 
 struct cartJson *cartJsonNew(struct cart *cart);
 /* Allocate and return a cartJson object with default handlers.
  * cart must have "db" set already. */
 
 char *cartJsonParamDefault(struct hash *paramHash, char *name, char *defaultVal);
 /* Convenience function for a CartJsonHandler function: Look up name in paramHash.
  * Return the string contained in its jsonElement value, or defaultVal if not found. */
 
 char *cartJsonOptionalParam(struct hash *paramHash, char *name);
 /* Convenience function for a CartJsonHandler function: Look up name in paramHash.
  * Return the string contained in its jsonElement value, or NULL if not found. */
 
 char *cartJsonRequiredParam(struct hash *paramHash, char *name, struct jsonWrite *jw,
                             char *context);
 /* Convenience function for a CartJsonHandler function: Look up name in paramHash.
  * If found, return the string contained in its jsonElement value.
  * If not, write an error message (using context) and return NULL. */
 
 void cartJsonRegisterHandler(struct cartJson *cj, char *command, CartJsonHandler *handler);
 /* Associate handler with command; when javascript sends command, handler will be executed. */
 
 boolean cartJsonIsNoWarns();
 /* Return TRUE if there are no warnings present */
 
 void cartJsonPrintWarnings(struct jsonWrite *jw);
 /* If there are warnings, write them out as JSON: */
 
 void cartJsonPushErrHandlers();
 /* Push warn and abort handlers for errAbort. */
 
 void cartJsonPopErrHandlers();
 /* Pop warn and abort handlers for errAbort. */
 
 void cartJsonExecute(struct cartJson *cj);
 /* Get commands from cgi, print Content-type, execute commands, print results as JSON. */
 
+char *cartJsonDumpJson(struct cartJson *cj);
+/* Return the string that has been built up so far or an empty string */
+
 void cartJsonFree(struct cartJson **pCj);
 /* Close **pCj's contents and nullify *pCj. */
 
 struct hgPositions *genomePosCJ(struct jsonWrite *jw, char *db, char *spec, char **retChromName,
                                int *retWinStart, int *retWinEnd, struct cart *cart, struct searchCategory *categories, boolean categorySearch);
 /* Search for positions in genome that match user query.
  * Return an hgp unless there is a problem.  hgp->singlePos will be set if a single
  * position matched. categorySearch determines whether to error out if we can't
  * uniquely determine a position for a multiTerm search
  * Otherwise display list of positions, put # of positions in retWinStart,
  * and return NULL. */
 
 void hgPositionsJson(struct jsonWrite *jw, char *db, struct hgPositions *hgp, struct cart *cart);
 /* Write out JSON description of multiple position matches. */
 
 #endif /* CARTJSON_H */