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                     racket/base
                     racket/contract
                     racket/string
                     pollen/template
                     pollen/pagetree
                     txexpr
                     sugar/coerce))

@title{@filepath{snippets-html.rkt}}

@defmodule["snippets-html.rkt" #:packages ()]
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@defproc[(html$-page-head [title (or/c string? #f) #f]) non-empty-string?]

Returns the @tt{<head>} section of an HTML document.

@defproc[(html$-page-body-open) non-empty-string?]
@defproc[(html$-page-body-open [body-class string? ""]) non-empty-string?]

Returns the opening @tt{<body>} and @tt{<main>} tags and elements that immediately follow, such as
site header, logo and navigation.

If @racket[_body-class] is a non-empty string, its contents will be included in the @tt{class}
attribute of the @tt{<body>} tag.

@defproc[(html$-article-open [title-specified-in-doc? boolean?] [title txexpr?] [pubdate string?])
non-empty-string?]
@defproc[(html$-article-open [pagenode pagenode?] 
                             [title-specified-in-doc? boolean?] 
                             [title txexpr?] 
                             [pubdate string?])
          non-empty-string?]

Returns the opening @tt{<article>} tag and elements that immediately follow: permlink, publish date,
and opening @tt{<section>} tag.

The @racket[_title-specified-in-doc?] form changes the HTML markup structure used.

@defproc[(html$-article-close [footertext string?]) non-empty-string?]

Returns a string containing a closing @tt{<section>} tag, a @tt{<footer>} element containing
@racket[_footertext], and a closing @tt{<article>} tag. If @racket[_footertext] is empty, the
@tt{<footer>} element will be omitted.

@defproc[(html$-article-listing-short [pagenode pagenode?] [pubdate string?] [title string?])
non-empty-string?]

Returns a string of HTML for an article as it would appear in a listing context in “short” form
(date and title only, with link).

@defproc[(html$-page-body-close) non-empty-string?]

Returns a string containing the page’s @tt{<footer>} and closing tags.

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@defproc[(html$-notes-section [note-htmls string?]) non-empty-string?]

Returns the complete HTML for the @italic{Further Notes} section of an article.

@defproc[(html$-paginate-navlinks [current-page exact-positive-integer?] 
                                  [pagecount exact-positive-integer?]
                                  [basename string?]) string?]

On the “blog”, the articles are split across multiple files: @filepath{blog-pg1.html},
@filepath{blog-pg2.html}, etc. This function provides a string containing HTML for a group of links
that can be given within each file, to link to the pages that come before/after it. 

The links are enclosed within @tt{<li>} tags. It’s up to the calling site to provide the enclosing
@tt{<ul>} tag (in case any custom styling or IDs need to be applied).