planning

node_modules/micromark/dist/tokenize/factory-destination.js

@@ -0,0 +1,131 @@
+'use strict'
+
+var asciiControl = require('../character/ascii-control.js')
+var markdownLineEndingOrSpace = require('../character/markdown-line-ending-or-space.js')
+var markdownLineEnding = require('../character/markdown-line-ending.js')
+
+// eslint-disable-next-line max-params
+function destinationFactory(
+  effects,
+  ok,
+  nok,
+  type,
+  literalType,
+  literalMarkerType,
+  rawType,
+  stringType,
+  max
+) {
+  var limit = max || Infinity
+  var balance = 0
+  return start
+
+  function start(code) {
+    if (code === 60) {
+      effects.enter(type)
+      effects.enter(literalType)
+      effects.enter(literalMarkerType)
+      effects.consume(code)
+      effects.exit(literalMarkerType)
+      return destinationEnclosedBefore
+    }
+
+    if (asciiControl(code) || code === 41) {
+      return nok(code)
+    }
+
+    effects.enter(type)
+    effects.enter(rawType)
+    effects.enter(stringType)
+    effects.enter('chunkString', {
+      contentType: 'string'
+    })
+    return destinationRaw(code)
+  }
+
+  function destinationEnclosedBefore(code) {
+    if (code === 62) {
+      effects.enter(literalMarkerType)
+      effects.consume(code)
+      effects.exit(literalMarkerType)
+      effects.exit(literalType)
+      effects.exit(type)
+      return ok
+    }
+
+    effects.enter(stringType)
+    effects.enter('chunkString', {
+      contentType: 'string'
+    })
+    return destinationEnclosed(code)
+  }
+
+  function destinationEnclosed(code) {
+    if (code === 62) {
+      effects.exit('chunkString')
+      effects.exit(stringType)
+      return destinationEnclosedBefore(code)
+    }
+
+    if (code === null || code === 60 || markdownLineEnding(code)) {
+      return nok(code)
+    }
+
+    effects.consume(code)
+    return code === 92 ? destinationEnclosedEscape : destinationEnclosed
+  }
+
+  function destinationEnclosedEscape(code) {
+    if (code === 60 || code === 62 || code === 92) {
+      effects.consume(code)
+      return destinationEnclosed
+    }
+
+    return destinationEnclosed(code)
+  }
+
+  function destinationRaw(code) {
+    if (code === 40) {
+      if (++balance > limit) return nok(code)
+      effects.consume(code)
+      return destinationRaw
+    }
+
+    if (code === 41) {
+      if (!balance--) {
+        effects.exit('chunkString')
+        effects.exit(stringType)
+        effects.exit(rawType)
+        effects.exit(type)
+        return ok(code)
+      }
+
+      effects.consume(code)
+      return destinationRaw
+    }
+
+    if (code === null || markdownLineEndingOrSpace(code)) {
+      if (balance) return nok(code)
+      effects.exit('chunkString')
+      effects.exit(stringType)
+      effects.exit(rawType)
+      effects.exit(type)
+      return ok(code)
+    }
+
+    if (asciiControl(code)) return nok(code)
+    effects.consume(code)
+    return code === 92 ? destinationRawEscape : destinationRaw
+  }
+
+  function destinationRawEscape(code) {
+    if (code === 40 || code === 41 || code === 92) {
+      effects.consume(code)
+      return destinationRaw
+    }
+
+    return destinationRaw(code)
+  }
+}
+
+module.exports = destinationFactory