ansxor.ca
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notes
+14
-12
parse.js
+14
-12
parse.js
···
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// all state is stored in these vars (and REGEX.lastIndex)
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let current, brackets
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// About __proto__ in object literals:
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// https://tc39.es/ecma262/multipage/ecmascript-language-expressions.html#sec-runtime-semantics-propertydefinitionevaluation
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// elements which can survive an eol (without a body)
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const IS_BLOCK = {__proto__:null, code:1, divider:1, ROOT:1, heading:1, quote:1, table:1, table_cell:1, image:1, video:1, audio:1, spoiler:1, align:1, list:1, list_item:1, youtube:1}
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···
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const ARGS_CODE = // ... ```
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/(?: *([-\w.+#$ ]+?) *(?:\n|$))?([^]*?)(?:```|$)/y
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// problem with improving style parsing:
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// sometimes a style tag might be valid as both a start and end tag?
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// and we don't know until we also check the previous char
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PAT`[\n]?[}]${{ BLOCK_END: 0}}`
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PAT`[\n]${{ NEWLINE: 0}}`
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PAT`{BOL}[#]{1,4}${{ HEADING: ARGS_HEADING}}`
···
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}
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TEXT(token)
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} break; case 'BLOCK_END': {
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if (brackets<=0) {
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if (brackets>0) {
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while (!current.body)
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CANCEL()
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if ('invalid'===current.type) {
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if ("\n}"==token)
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NEWLINE(false) // false since we already closed everything
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TEXT("}")
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}
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CLOSE()
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} else {
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// hack:
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if ("\n}"==token)
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NEWLINE(true)
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TEXT("}")
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return
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}
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// only runs if at least 1 element has a body, so this won't fail:
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while (!current.body)
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CANCEL()
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if ('invalid'===current.type)
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TEXT("}")
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CLOSE()
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} break; case 'NULL_ENV': {
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OPEN('null_env', token, null, true)
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current.prev = current.parent.prev
···
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}
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function parse(text) {
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let tree = {type: 'ROOT', token: "", content: [], prev: 'all_newline'}
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let tree = {type: 'ROOT', content: [], prev: 'all_newline'}
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current = tree
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brackets = 0
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