Split the API formatters in modules (#4504)

* split all API formatters in modules

* added markdown formatting

* updated csv readme

* updated csv readme

* more documentation

* added more documentation

* updated documentation

* fixed typo

* fixed typo

1 files changed, 3 insertions, 9 deletions

diff --git a/web/api/queries/rrdr.h b/web/api/queries/rrdr.h
index a0295db463..c7633f0beb 100644
--- a/web/api/queries/rrdr.h
+++ b/web/api/queries/rrdr.h
@@ -4,7 +4,6 @@
 #define NETDATA_QUERIES_RRDR_H
 
 #include "libnetdata/libnetdata.h"
-#include "../web_api_v1.h"
 
 typedef enum rrdr_options {
     RRDR_OPTION_NONZERO      = 0x00000001, // don't output dimensions will just zero values
@@ -44,7 +43,7 @@ typedef enum rrdr_result_flags {
 } RRDR_RESULT_FLAGS;
 
 typedef struct rrdresult {
-    RRDSET *st;         // the chart this result refers to
+    struct rrdset *st;         // the chart this result refers to
 
     RRDR_RESULT_FLAGS result_options; // RRDR_RESULT_OPTION_*
 
@@ -93,15 +92,10 @@ typedef struct rrdresult {
 
 #define rrdr_rows(r) ((r)->rows)
 
-// formatters
-extern void rrdr2json(RRDR *r, BUFFER *wb, RRDR_OPTIONS options, int datatable);
-extern void rrdr2csv(RRDR *r, BUFFER *wb, RRDR_OPTIONS options, const char *startline, const char *separator, const char *endline, const char *betweenlines);
-extern calculated_number rrdr2value(RRDR *r, long i, RRDR_OPTIONS options, int *all_values_are_null);
-extern void rrdr2ssv(RRDR *r, BUFFER *wb, RRDR_OPTIONS options, const char *prefix, const char *separator, const char *suffix);
-
 extern void rrdr_free(RRDR *r);
-extern RRDR *rrdr_create(RRDSET *st, long n);
+extern RRDR *rrdr_create(struct rrdset *st, long n);
 
+#include "../web_api_v1.h"
 #include "web/api/queries/query.h"
 
 extern RRDR *rrd2rrdr(RRDSET *st, long points_requested, long long after_requested, long long before_requested, RRDR_GROUPING group_method, long resampling_time_requested, RRDR_OPTIONS options, const char *dimensions);