Provided and added contracts to the exising get-doc and get-metas

functions in templte.rkt.

Added documentation for get-doc and get-metas to template.scrbl.

scribblings/template.scrbl

@@ -138,6 +138,13 @@ Note that if @racket[_meta-source] is a relative path or pagenode, it is treated
 (select-from-metas 'nonexistent-key metas)
 ]
 
+@defproc[
+(get-metas
+[source-file (or/c pagenode? pathish?)])
+hash?]
+Retrieve the @racket[metas] hashtable from @racket[_file-source]. The @racket[_file-source] argument can be either a pagenode or source path that identifies a source file that provides @racket[metas]. If @racket[_file-source] does not exist, an error is thrown.
+
+Note that if @racket[_source-file] is a relative path or pagenode, it is treated as being relative to @racket[world:current-project-root]. If that's not what you want, you'll need to convert it explicitly to a complete-path (e.g., with @racket[path->complete-path] or @racket[->complete-path]).
 
 
 @defproc[
@@ -160,6 +167,15 @@ Note that if @racket[_doc-source] is a relative path or pagenode, it is treated
 (select-from-doc 'nonexistent-key doc)
 ]
 
+@defproc[
+(get-doc
+[source-file (or/c pagenode? pathish?)])
+(or/c txexpr? string?)]
+Retrieve the @racket[_doc] from @racket[_file-source]. The @racket[_file-source] argument can be either a pagenode or source path that identifies a source file that provides @racket[metas]. If @racket[_file-source] does not exist, an error is thrown.
+
+Note that if @racket[_source-file] is a relative path or pagenode, it is treated as being relative to @racket[world:current-project-root]. If that's not what you want, you'll need to convert it explicitly to a complete-path (e.g., with @racket[path->complete-path] or @racket[->complete-path]).
+
+
 @defproc[
 (when/block
 [condition any/c]

template.rkt

@@ -11,7 +11,7 @@
   (path->pagenode (or (select-from-metas (world:current-here-path-key) metas) 'unknown)))
 
 
-(define (pagenode->path pagenode)
+(define+provide (pagenode->path pagenode)
   (build-path (world:current-project-root) (symbol->string pagenode)))
 
 
@@ -80,8 +80,8 @@
   (check-false (select-from-doc 'absent-key  doc))))
 
 
-(define (get-metas pagenode-or-path)
-  ;  ((or/c pagenode? pathish?) . -> . hash?)
+(define+provide/contract (get-metas pagenode-or-path)
+  ((or/c pagenode? pathish?) . -> . hash?)
   (define source-path (->source-path (cond
                                        [(pagenode? pagenode-or-path) (pagenode->path pagenode-or-path)]
                                        [else pagenode-or-path])))
@@ -90,8 +90,8 @@
       (error (format "get-metas: no source found for '~a' in directory ~a" pagenode-or-path (current-directory)))))
 
 
-(define (get-doc pagenode-or-path)
-  ;  ((or/c pagenode? pathish?) . -> . (or/c txexpr? string?))
+(define+provide/contract (get-doc pagenode-or-path)
+  ((or/c pagenode? pathish?) . -> . (or/c txexpr? string?))
   (define source-path (->source-path (cond
                                        [(pagenode? pagenode-or-path) (pagenode->path pagenode-or-path)]
                                        [else pagenode-or-path])))
@@ -157,4 +157,4 @@
      #'(if condition (string-append* 
                       (with-handlers ([exn:fail? (λ(exn) (error (format "within when/block, ~a" (exn-message exn))))])
                         (map ->string (list body ...)))) 
-           "")]))
+           "")]))