◊(Local Yarn Code "Check-in [8e0002ee]")

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Comment:Add scribble docs for snippets-html
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SHA3-256: 8e0002ee88d1d62477d6252d590e8bd030c6e568f3f5ddfea53cd56b0134b452
User & Date: joel on 2019-02-23 23:16:06
Other Links: manifest | tags
Context
2019-03-03
21:34
More code docs check-in: a4190d26 user: joel tags: trunk
2019-02-23
23:16
Add scribble docs for snippets-html check-in: 8e0002ee user: joel tags: trunk
23:15
Small fixes and improvements to HTML snippet functions check-in: 95725823 user: joel tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Modified code-docs/main.scrbl from [f7a55451] to [9028aeca].

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@title{Local Yarn: source code notes}

@author{Joel Dueck}

These are my notes about the internals of the Local Yarn source code. In other words, a personal
reference, rather than a tutorial. These pages concern only the source code itself. Refer to the

wiki for anything else.

You’ll get the most out of these notes if you have read @other-doc['(lib
"pollen/scribblings/pollen.scrbl")], and worked through the tutorials by hand.

If you’re viewing these notes on the Fossil repository, note that these pages are heavily
interlinked with the central Racket documentation at @tt{docs.racket-lang.org}, which are written
and maintained by others. Links on those pages that lead outside of that domain will not work within
this repo’s “Code Docs” frame, due to the repository’s
@ext-link["https://content-security-policy.com"]{content security policy}. To follow such links,
right-click and open the link in a new tab or window.


@local-table-of-contents[]

@include-section["pollen.scrbl"]  @; pollen.rkt
@include-section["dust.scrbl"]    @; dust.rkt
@include-section["sqlite-tools.scrbl"] @; sqlite-tools.rkt










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@title{Local Yarn: source code notes}

@author{Joel Dueck}

These are my notes about the internals of the Local Yarn source code. In other words, a personal
reference, rather than a tutorial. These pages concern only the source code itself. Refer to the
wiki for info about deployment, etc.


You’ll get the most out of these notes if you have read @other-doc['(lib
"pollen/scribblings/pollen.scrbl")], and worked through the tutorials by hand.

If you’re viewing these notes on the Fossil repository, note that these pages are heavily
interlinked with the central Racket documentation at @tt{docs.racket-lang.org}, which are written
and maintained by others. Links on those pages that lead outside of that domain will not work within
this repo’s “Code Docs” frame, due to the repository’s
@ext-link["https://content-security-policy.com"]{content security policy}. To follow such links,
right-click and open the link in a new tab or window.


@local-table-of-contents[]

@include-section["pollen.scrbl"]  @; pollen.rkt
@include-section["dust.scrbl"]    @; dust.rkt
@include-section["sqlite-tools.scrbl"] @; sqlite-tools.rkt
@include-section["snippets-html.scrbl"] @; you get the idea

Modified code-docs/pollen.scrbl from [85e2b6f4] to [dd25189e]. 

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#lang scribble/manual

@; Copyright (c) 2019 Joel Dueck
@;
@; Copying and distribution of this file, with or without modification,
@; are permitted in any medium without royalty provided the copyright
@; notice and this notice are preserved.  This file is offered as-is,
@; without any warranty.

@(require "scribble-helpers.rkt")
@(require (for-label "../pollen.rkt"
                     "../dust.rkt"
                     racket/base


                     txexpr
                     pollen/tag
                     pollen/setup
                     pollen/core
                     sugar/coerce))

@title[#:tag "pollen-rkt"]{@filepath{pollen.rkt}}














>
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#lang scribble/manual

@; Copyright (c) 2019 Joel Dueck
@;
@; Copying and distribution of this file, with or without modification,
@; are permitted in any medium without royalty provided the copyright
@; notice and this notice are preserved.  This file is offered as-is,
@; without any warranty.

@(require "scribble-helpers.rkt")
@(require (for-label "../pollen.rkt"
                     "../dust.rkt"
                     racket/base
                     racket/contract
                     racket/string
                     txexpr
                     pollen/tag
                     pollen/setup
                     pollen/core
                     sugar/coerce))

@title[#:tag "pollen-rkt"]{@filepath{pollen.rkt}}
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Added code-docs/snippets-html.scrbl version [a2ab701d]. 



























































































































































































































































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#lang scribble/manual

@; Copyright (c) 2019 Joel Dueck
@;
@; Copying and distribution of this file, with or without modification,
@; are permitted in any medium without royalty provided the copyright
@; notice and this notice are preserved.  This file is offered as-is,
@; without any warranty.

@(require "scribble-helpers.rkt")

@(require (for-label "../pollen.rkt"
                     "../dust.rkt"
                     "../snippets-html.rkt"
                     racket/base
                     racket/contract
                     racket/string
                     pollen/template
                     pollen/pagetree
                     sugar/coerce))

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

@defmodule["snippets-html.rkt" #:packages ()]

Each “snippet” module provides all the document- and article-level blocks of structural markup
necessary for a particular target output format; this one is for HTML. The idea is that any block of
markup that might be reused across more than one template should be a function.

The functions in the snippets modules follow two conventions in this project:

@itemlist[
  @item{Functions that return strings of HTML have the prefix @tt{html$-}.}
  @item{Such functions do not do any parsing or destructuring of complex objects; every separate
  piece that will be inserted into the template is passed in as a separate argument. This makes it
  harder to change the scope of what a snippet does, but makes things faster since all the parsing
  can happen in one place, before the snippet functions are called.} ]

@section{Using @tt{pollen/mode}}

It’s worth looking at the source for this file to see how @racketmodname[pollen/mode] can be used to
make it easy to write “mini-template” functions:

@codeblock{
#lang pollen/mode racket/base

(define (html$-my-article title body-tx)
  ◊string-append{
    <p><b>◊|title|</b><p>
    ◊(->html body-tx)
  })
}

@section{HTML Snippet functions}

@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?]

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

@defproc[(html$-article-open [title? boolean?] [title-html-flow string?] [pubdate string?])
non-empty-string?]

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

This function could be smarter, but for now @racket[_title?] determines which HTML markup structure
to use for the article regardless of whether @racket[_title-html-flow] is empty or not.

@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$-page-body-close) non-empty-string?]

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

@defproc[(html$-note-title [author string?] [pagenode pagenode?] [parent-title string?])
non-empty-string?]

Returns a string containing the HTML for a note’s title. The title is used when the note is
displayed in a separate context from its parent article.

If @racket[_author] is empty, then @racket[default-authorname] is used. The @racket[_pagenode] and
@racket[_parent-title] values are for generating a link to the parent article.

@defproc[(html$-note-contents [disposition-mark string?] [elems (listof xexpr?)]) non-empty-string?]

Returns a string containing the body-elements of a note converted to HTML. If
@racket[_disposition-mark] is not empty, a @tt{<span>} containing it will be inserted as the first
element of the first block-level element.

@defproc[(html$-note-listing-full [pagenode pagenode?]
                                  [note-id string?] 
                                  [title-html-flow string?]
                                  [date string?]
                                  [contents string?] 
                                  [author string? (default-authorname)] 
                                  [author-url string? ""])
          non-empty-string?]

Returns a string containing the complete HTML markup for a @racket[note], including title, permlink,
date, contents and author, suitable for display outside the context of its parent article.

@defproc[(html$-note-in-article [id string?] 
                                [date string?] 
                                [contents string?] 
                                [author string?]
                                [author-url string?]) non-empty-string?]

Like @racket[html$-note-listing-full], but returns HTML for a @racket[note] suitable for display
inside its parent article.

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

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

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