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// Parse backticks
export default function backtick (state, silent) {
let pos = state.pos
const ch = state.src.charCodeAt(pos)
if (ch !== 0x60/* ` */) { return false }
const start = pos
pos++
const max = state.posMax
// scan marker length
while (pos < max && state.src.charCodeAt(pos) === 0x60/* ` */) { pos++ }
const marker = state.src.slice(start, pos)
const openerLength = marker.length
if (state.backticksScanned && (state.backticks[openerLength] || 0) <= start) {
if (!silent) state.pending += marker
state.pos += openerLength
return true
}
let matchEnd = pos
let matchStart
// Nothing found in the cache, scan until the end of the line (or until marker is found)
while ((matchStart = state.src.indexOf('`', matchEnd)) !== -1) {
matchEnd = matchStart + 1
// scan marker length
while (matchEnd < max && state.src.charCodeAt(matchEnd) === 0x60/* ` */) { matchEnd++ }
const closerLength = matchEnd - matchStart
if (closerLength === openerLength) {
// Found matching closer length.
if (!silent) {
const token = state.push('code_inline', 'code', 0)
token.markup = marker
token.content = state.src.slice(pos, matchStart)
.replace(/\n/g, ' ')
.replace(/^ (.+) $/, '$1')
}
state.pos = matchEnd
return true
}
// Some different length found, put it in cache as upper limit of where closer can be found
state.backticks[closerLength] = matchStart
}
// Scanned through the end, didn't find anything
state.backticksScanned = true
if (!silent) state.pending += marker
state.pos += openerLength
return true
}