3b80c5be2a2d43f71277f8cd9274e3c49d9ad6c2
angie
  Mon Feb 24 16:54:33 2014 -0800
Improved error messages for bigData custom track common mistakes likemissing bigDataUrl setting or trying to upload a bigData file instead
of making a track line with a public URL.  I added a new "factory"
to customFactory.c that produces no tracks, only error messages about
directly uploaded bigData files.
refs #12747

diff --git src/hg/inc/customPp.h src/hg/inc/customPp.h
index ce7bfc3..879a4d7 100644
--- src/hg/inc/customPp.h
+++ src/hg/inc/customPp.h
@@ -1,51 +1,54 @@
 /* customPp - custom track preprocessor.  This handles the line-oriented
  * input/output for the custom track system.  The main services it provides
  * are taking care of references to URLs, which are treated as includes,
  * and moving lines that start with "browser" to a list.
  *
  * Also this allows unlimited "pushBack" of lines, which is handy, since
  * the system will analyse a number of lines of a track to see what format
  * it's in. */
 
 #ifndef CUSTOMPP_H
 #define CUSTOMPP_H
 
 struct customPp
 /* Custom track preprocessor. */
     {
     struct customPp *next;	 /* Next customPp in list */
     struct lineFile *fileStack;  /* Keep track of files we're included from */
     struct slName *browserLines; /* Lines seen so far that start w/ browser */
     struct slName *reusedLines;  /* Lines pushed back by customPpReuse. */
     struct slName *inReuse;	 /* Line in process of being reused. */
     boolean ignoreBrowserLines;  /* Flag to suppress removal of browser lines */
                                  /*   so preprocessor can be used with docs */
 #ifdef PROGRESS_METER
     off_t remoteFileSize;	/* reported size from URL */
 #endif
     };
 
 struct customPp *customPpNew(struct lineFile *lf);
 /* Return customPp on lineFile */
 
 void customPpFree(struct customPp **pCpp);
 /* Close files and free up customPp. */
 
 char *customPpNext(struct customPp *cpp);
 /* Return next line. */
 
 char *customPpNextReal(struct customPp *cpp);
 /* Return next line that's nonempty and non-space. */
 
 void customPpReuse(struct customPp *cpp, char *line);
 /* Reuse line.  May be called many times before next customPpNext/NextReal.
  * Should be called with last line to be reused first if called multiply. */
 
 struct slName *customPpTakeBrowserLines(struct customPp *cpp);
 /* Grab browser lines from cpp, which will no longer have them. */
 
 struct customPp *customDocPpNew(struct lineFile *lf);
 /* Return customPp for doc file that leaves browser lines */
 
+char *customPpFileName(struct customPp *cpp);
+/* Return the name of the current file being parsed (top of fileStack).  Free when done. */
+
 #endif /* CUSTOMPP_H */