planning

node_modules/micromark/lib/tokenize/code-indented.js

@@ -0,0 +1,91 @@
+'use strict'
+
+var codes = require('../character/codes.js')
+var markdownLineEnding = require('../character/markdown-line-ending.js')
+var constants = require('../constant/constants.js')
+var types = require('../constant/types.js')
+var chunkedSplice = require('../util/chunked-splice.js')
+var prefixSize = require('../util/prefix-size.js')
+var factorySpace = require('./factory-space.js')
+
+var codeIndented = {
+  name: 'codeIndented',
+  tokenize: tokenizeCodeIndented,
+  resolve: resolveCodeIndented
+}
+
+var indentedContentConstruct = {
+  tokenize: tokenizeIndentedContent,
+  partial: true
+}
+
+function resolveCodeIndented(events, context) {
+  var code = {
+    type: types.codeIndented,
+    start: events[0][1].start,
+    end: events[events.length - 1][1].end
+  }
+
+  chunkedSplice(events, 0, 0, [['enter', code, context]])
+  chunkedSplice(events, events.length, 0, [['exit', code, context]])
+
+  return events
+}
+
+function tokenizeCodeIndented(effects, ok, nok) {
+  return effects.attempt(indentedContentConstruct, afterPrefix, nok)
+
+  function afterPrefix(code) {
+    if (code === codes.eof) {
+      return ok(code)
+    }
+
+    if (markdownLineEnding(code)) {
+      return effects.attempt(indentedContentConstruct, afterPrefix, ok)(code)
+    }
+
+    effects.enter(types.codeFlowValue)
+    return content(code)
+  }
+
+  function content(code) {
+    if (code === codes.eof || markdownLineEnding(code)) {
+      effects.exit(types.codeFlowValue)
+      return afterPrefix(code)
+    }
+
+    effects.consume(code)
+    return content
+  }
+}
+
+function tokenizeIndentedContent(effects, ok, nok) {
+  var self = this
+
+  return factorySpace(
+    effects,
+    afterPrefix,
+    types.linePrefix,
+    constants.tabSize + 1
+  )
+
+  function afterPrefix(code) {
+    if (markdownLineEnding(code)) {
+      effects.enter(types.lineEnding)
+      effects.consume(code)
+      effects.exit(types.lineEnding)
+      return factorySpace(
+        effects,
+        afterPrefix,
+        types.linePrefix,
+        constants.tabSize + 1
+      )
+    }
+
+    return prefixSize(self.events, types.linePrefix) < constants.tabSize
+      ? nok(code)
+      : ok(code)
+  }
+}
+
+module.exports = codeIndented