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parse rich text 

Signed-off-by: Superkooka <aymeric.gueracague@gmail.com>
This commit is contained in:
Aymeric GUERACAGUE 2023-12-12 11:49:07 +01:00
parent 8e5880a022
commit 7fa5a89722
1 changed files with 25 additions and 44 deletions
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67
blog.janet
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@ -12,65 +12,46 @@
# Symbole
:end-of-line (* (? "\r") "\n")
:space "\u0020"
:tab (+ "\u0009" (4 :space))
:code-block-tag "```"
:list-item-starter (+ "*" "-")
:italic-tag "*"
:bold-tag "**"
:stroke-tag "~~"
:code-line-tag "`"
:paragraph (some (if-not :end-of-line 1))
:rich-text-tag (+ :italic-tag :bold-tag :stroke-tag :code-line-tag)
:basic-text (some (if-not (+ :end-of-line :code-line-tag :stroke-tag :bold-tag :italic-tag) 1))
:c-basic-text (cmt (<- :basic-text),|[:text $0])
:bold (cmt (* :bold-tag :rich-text :bold-tag),|[:bold $0 $&])
:italic (cmt (* :italic-tag :rich-text :italic-tag),|[:italic $0 $&])
:stroke (cmt (* :stroke-tag :rich-text :stroke-tag),|[:stroke $0 $&])
:code-line (cmt (* :code-line-tag (<- :rich-text) :code-line-tag),|[:code-line $0 $&])
:rich-text (cmt (some (+ :code-line :bold :italic :stroke :c-basic-text)),|(map (fn [arg] [(get arg 0) (get arg 1)]) $&))
:line (cmt (* :rich-text :end-of-line),|[:line $0])
# Block
:heading (cmt (* (<- (between 1 6 "#")) :space (<- :paragraph)),|[:heading (length $0) $1])
:hr (cmt (at-least 3 (+ "-" "_" "*")),|[:hr])
:code-block (cmt (* :code-block-tag (? (<- :paragraph)) :end-of-line (<- (some (if-not :code-block-tag 1))) :code-block-tag),|[:code-block $0 $1])
:quote (cmt (* ">" :space (<- :paragraph)),|[:quote $0])
:list-item (cmt (* :list-item-starter :space (<- :paragraph)),|[:list-item $0])
:heading (cmt (* (<- (between 1 6 "#")) :space (<- :basic-text)),|[:heading (length $0) $1])
:hr (cmt (* (at-least 3 (+ "-" "_" "*")) :end-of-line),|[:hr])
:code-block (cmt (* :code-block-tag (? (<- :basic-text)) :end-of-line (<- (some (if-not :code-block-tag 1))) :code-block-tag),|[:code-block $0 $1])
:quote (cmt (* ">" :space (? :rich-text)),|[:quote $0])
:list-item (cmt (* (<- (? (between 0 2 :tab))) :list-item-starter :space :rich-text),|[:list-item (/ (length $0) 4) $1])
:list (cmt (some (* :list-item (? :end-of-line))),|[:list $&])
# :table-cel ""
:table-row (* "|" (cmt (some (* (<- (some (if-not "|" 1))) "|")),|[:table-row (map string/trim $&)]) :end-of-line)
:table-delimiter (* "|" (cmt (some (* (any :space) (at-least 3 "-") (any :space) "|")),|[:delimiter]) :end-of-line) # Delimiter Row <https://github.github.com/gfm/#delimiter-row>
:table # <https://github.github.com/gfm/#table>
(cmt (*
:table-row
:table-delimiter
(some :table-row)),|[:table $&])
:line (cmt (<- :paragraph),|[:line $0])
:block (+ :heading
:hr
:code-block
:quote
:list
:table
:table-row
:line
:end-of-line)
:main (some (* :block (? :end-of-line)))})
(defn to-html
"Convert AST to HTML"
[ast]
(if ast
(string/join
(map
|(match $0
[:heading level value]
(string "<h" level ">" value "</h" level ">")
[:quote value]
(string "<blockquote>" value "</blockquote>")
[:list items]
(string/join @["<ul>"
;(map |(string "<li>" $0 "</li>") (get items 0))
"</ul>"] "\n")
[:line value]
(string "<p>" value "</p>")
[:code-block lang value]
(string "<pre><code>" value "</code></pre>")
_
(error (string "Invalid symbol: " (get $0 0))))
ast) "\n" )))
(defn pp-ast
"Pretty prints the Mardown AST (as provided by (peg/match md-to-ast))"
[ast]
@ -81,5 +62,5 @@
(print "]"))))
(defn main [bin & args]
(pp-ast (peg/match md-to-ast (read-from-file "raw/~notes/blog.md"))))
(pp-ast (peg/match md-to-ast (read-from-file "raw/~blog/blog.md"))))
# (print (to-html (peg/match md-to-ast (read-from-file "raw/~notes/blog.md")))))