From 105af6956a7cf3dc2612e27a9ea5a960ee862ddf Mon Sep 17 00:00:00 2001
From: alinex <info@alinex.de>
Date: Wed, 8 Jun 2016 22:29:31 +0200
Subject: [PATCH] Basic test for running markdown with separate parse and
 render calls.

---
 src/html.coffee          |  10 +-
 src/plugin.coffee        | 273 +++++++++++----------------------------
 test/mocha/plugin.coffee |  23 ++++
 3 files changed, 106 insertions(+), 200 deletions(-)
 create mode 100644 test/mocha/plugin.coffee

diff --git a/src/html.coffee b/src/html.coffee
index 37be552..73265ba 100644
--- a/src/html.coffee
+++ b/src/html.coffee
@@ -9,7 +9,7 @@ fs = require 'alinex-fs'
 mime = require 'mime'
 inlineCss = require 'inline-css'
 # markdown
-md = require 'markdown-it'
+markdownit = require 'markdown-it'
 hljs = require 'highlight.js'
 mdContainer = require 'markdown-it-container'
 mdTitle = require 'markdown-it-title' #extracting title from source (first heading)
@@ -64,7 +64,6 @@ module.exports = (report, setup, cb) ->
     setup = null
   # create html
   md = initHtml()
-  data = {}
   content = report.toString()
   # make local files inline
   # replace local images with base64
@@ -80,9 +79,10 @@ module.exports = (report, setup, cb) ->
     )
     ///, (_, b, f, a) ->
     f = path.resolve __dirname, '../', f
-    data = new Buffer(fs.readFileSync f).toString 'base64'
-    "#{b}data:#{mime.lookup f};base64,#{data}#{a}"
+    bin = new Buffer(fs.readFileSync f).toString 'base64'
+    "#{b}data:#{mime.lookup f};base64,#{bin}#{a}"
   # transform to html
+  data = {}
   content = optimizeHtml md.render(content, data), setup?.locale
   title = setup?.title ? data.title ? 'Report'
   style = setup?.style ? 'default'
@@ -129,7 +129,7 @@ md2html = null
 initHtml = -> #async.once ->
   return md2html if md2html
   # setup markdown it
-  md2html = md
+  md2html = markdownit
     html: true
     linkify: true
     typographer: true
diff --git a/src/plugin.coffee b/src/plugin.coffee
index ec5c5fc..06ec511 100644
--- a/src/plugin.coffee
+++ b/src/plugin.coffee
@@ -22,208 +22,91 @@ MARKER = '$'.charCodeAt 0
 
 module.exports = (md) ->
   debug "Init graph plugin..."
-  # register all graph dialects
-  for name in ['mermaid']
-    # add parser rules
-    md.block.ruler.before 'fence', 'graph_' + name, parser.mermaid
-    # add render rules
-    md.renderer.rules['graph_' + name + '_open'] = renderer.mermaid
-    md.renderer.rules['graph_' + name + '_close'] = renderer.mermaid
+  # add parser rules
+  md.block.ruler.before 'fence', 'graph', parser, ['paragraph', 'reference', 'blockquote', 'list']
+  # add render rules
+  md.renderer.rules.graph = renderer
 
 
 # Parser
 # -------------------------------------------
 
-parser =
-  mermaid: (state, startLine, endLine, silent) ->
-    haveEndMarker = false
-    pos = state.bMarks[startLine] + state.tShift[startLine]
-    max = state.eMarks[startLine]
-    return false if pos + 3 > max
-    return false unless MARKER id state.src.charCodeAt pos
-    # scan marker length
-    mem = pos
-    pos = state.skipChars pos, MARKER
-    len = pos - mem
-    return false if len < 3
-    markup = state.src.slice mem, pos
-    params = state.src.slice(pos, max).trim()
-    # Since start is found, we can report success here in validation mode
-    return false if silent
-    # search end of block
-    nextLine = startLine;
-    loop
-      nextLine++
-      # unclosed block should be autoclosed by end of document.
-      # also block seems to be autoclosed by end of parent
-      break if nextLine >= endLine
-      pos = mem = state.bMarks[nextLine] + state.tShift[nextLine]
-      max = state.eMarks[nextLine]
-      # non-empty line with negative indent should stop the list:
-      # - $$$
-      #  test
-      break if pos < max and state.sCount[nextLine] < state.blkIndent
-      continue unless state.src.charCodeAt(pos) is MARKER
-      # closing fence should be indented less than 4 spaces
-      continue if state.sCount[nextLine] - state.blkIndent >= 4
-      pos = state.skipChars(pos, MARKER)
-      # closing code fence must be at least as long as the opening one
-      continue if pos - mem < len
-      # make sure tail has spaces only
-      pos = state.skipSpaces pos
-      continue if pos < max
-      haveEndMarker = true
-      # found!
-      break;
-    # If a fence has heading spaces, they should be removed from its inner block
-    len = state.sCount[startLine]
-    state.line = nextLine + if haveEndMarker then 1 else 0
-    token         = state.push 'fence', 'code', 0
-    token.info    = params
-    token.content = state.getLines startLine + 1, nextLine, len, true
-    token.markup  = markup
-    token.map     = [ startLine, state.line ]
-    return true
+parser = (state, startLine, endLine, silent) ->
+  haveEndMarker = false
+  pos = state.bMarks[startLine] + state.tShift[startLine]
+  max = state.eMarks[startLine]
+  return false if pos + 3 > max
+  return false unless MARKER is state.src.charCodeAt pos
+  # scan marker length
+  mem = pos
+  pos = state.skipChars pos, MARKER
+  len = pos - mem
+  return false if len < 3
+  markup = state.src.slice mem, pos
+  params = state.src.slice(pos, max).trim()
+  # Since start is found, we can report success here in validation mode
+  return false if silent
+  # search end of block
+  nextLine = startLine
+  loop
+    nextLine++
+    # unclosed block should be autoclosed by end of document.
+    # also block seems to be autoclosed by end of parent
+    break if nextLine >= endLine
+    pos = mem = state.bMarks[nextLine] + state.tShift[nextLine]
+    max = state.eMarks[nextLine]
+    # non-empty line with negative indent should stop the list:
+    # - $$$
+    #  test
+    break if pos < max and state.sCount[nextLine] < state.blkIndent
+    continue unless state.src.charCodeAt(pos) is MARKER
+    # closing fence should be indented less than 4 spaces
+    continue if state.sCount[nextLine] - state.blkIndent >= 4
+    pos = state.skipChars(pos, MARKER)
+    # closing code fence must be at least as long as the opening one
+    continue if pos - mem < len
+    # make sure tail has spaces only
+    pos = state.skipSpaces pos
+    continue if pos < max
+    haveEndMarker = true
+    # found!
+    break
+  # If a fence has heading spaces, they should be removed from its inner block
+  len = state.sCount[startLine]
+  state.line = nextLine + if haveEndMarker then 1 else 0
+  token         = state.push 'fence', 'code', 0
+  token.info    = params
+  token.content = state.getLines startLine + 1, nextLine, len, true
+  token.markup  = markup
+  token.map     = [ startLine, state.line ]
+  return true
 
 
 # Renderer
 # -------------------------------------------
 
-renderer =
-  mermaid: (tokens, idx, options, env, self) ->
-    return "htmlResult"
-
-return
-
-
-
-
-
-module.exports = (md, name, options) ->
-
-  options = options or {}
-  min_markers = 3
-  marker_str = options.marker or ':'
-  marker_char = marker_str.charCodeAt(0)
-  marker_len = marker_str.length
-  validate = options.validate or validateDefault
-  render = options.render or renderDefault
-  md.block.ruler.before 'fence', 'container_' + name, container,
-    alt: [
-      'paragraph'
-      'reference'
-      'blockquote'
-      'list'
-    ]
-  md.renderer.rules['container_' + name + '_open'] = render
-  md.renderer.rules['container_' + name + '_close'] = render
-  return
-
-  validateDefault = (params) ->
-    params.trim().split(' ', 2)[0] is name
-
-  renderDefault = (tokens, idx, _options, env, self) ->
-    # add a class to the opening tag
-    if tokens[idx].nesting is 1
-      tokens[idx].attrPush [
-        'class'
-        name
-      ]
-    self.renderToken tokens, idx, _options, env, self
-
-  container = (state, startLine, endLine, silent) ->
-    pos = undefined
-    nextLine = undefined
-    marker_count = undefined
-    markup = undefined
-    params = undefined
-    token = undefined
-    old_parent = undefined
-    old_line_max = undefined
-    auto_closed = false
-    start = state.bMarks[startLine] + state.tShift[startLine]
-    max = state.eMarks[startLine]
-    # Check out the first character quickly,
-    # this should filter out most of non-containers
-    #
-    unless marker_char is state.src.charCodeAt(start)
-      return false
-    # Check out the rest of the marker string
-    #
-    pos = start + 1
-    while pos <= max
-      if marker_str[(pos - start) % marker_len] isnt state.src[pos]
-        break
-      pos++
-    marker_count = Math.floor((pos - start) / marker_len)
-    if marker_count < min_markers
-      return false
-    pos -= (pos - start) % marker_len
-    markup = state.src.slice(start, pos)
-    params = state.src.slice(pos, max)
-    if not validate(params)
-      return false
-    # Since start is found, we can report success here in validation mode
-    #
-    if silent
-      return true
-    # Search for the end of the block
-    #
-    nextLine = startLine
-    loop
-      nextLine++
-      if nextLine >= endLine
-        # unclosed block should be autoclosed by end of document.
-        # also block seems to be autoclosed by end of parent
-        break
-      start = state.bMarks[nextLine] + state.tShift[nextLine]
-      max = state.eMarks[nextLine]
-      if start < max and state.sCount[nextLine] < state.blkIndent
-        # non-empty line with negative indent should stop the list:
-        # - ```
-        #  test
-        break
-      if marker_char isnt state.src.charCodeAt(start)
-        continue
-      if state.sCount[nextLine] - (state.blkIndent) >= 4
-        # closing fence should be indented less than 4 spaces
-        continue
-      pos = start + 1
-      while pos <= max
-        if marker_str[(pos - start) % marker_len] isnt state.src[pos]
-          break
-        pos++
-      # closing code fence must be at least as long as the opening one
-      if Math.floor((pos - start) / marker_len) < marker_count
-        pos++
-        continue
-      # make sure tail has spaces only
-      pos -= (pos - start) % marker_len
-      pos = state.skipSpaces(pos)
-      if pos < max
-        pos++
-        continue
-      # found!
-      auto_closed = true
-      break
-    old_parent = state.parentType
-    old_line_max = state.lineMax
-    state.parentType = 'container'
-    # this will prevent lazy continuations from ever going past our end marker
-    state.lineMax = nextLine
-    token = state.push('container_' + name + '_open', 'div', 1)
-    token.markup = markup
-    token.block = true
-    token.info = params
-    token.map = [
-      startLine
-      nextLine
-    ]
-    state.md.block.tokenize state, startLine + 1, nextLine
-    token = state.push('container_' + name + '_close', 'div', -1)
-    token.markup = state.src.slice(start, pos)
-    token.block = true
-    state.parentType = old_parent
-    state.lineMax = old_line_max
-    state.line = nextLine + (if auto_closed then 1 else 0)
-    true
+renderer = (tokens, idx, options, env, self) ->
+  token = tokens[idx]
+  if token.info
+    [type] = token.info.split /\s+/g
+  switch type
+    when 'progress'
+      '<pre><b>PROGRESS</b></pre>\n'
+    when 'mermaid'
+      '<pre><b>MERMAID</b></pre>\n'
+    when 'chart'
+      '<pre><b>CHART</b></pre>\n'
+    else
+      escapeHtml token.content
+
+
+# Helper
+# -------------------------------------------
+escapeHtmlChars =
+  '&': '&amp;'
+  '<': '&lt;'
+  '>': '&gt;'
+  '"': '&quot;'
+
+escapeHtml = (str) ->
+  str.replace /[&<>"]/g, (e) -> escapeHtmlChars[e]
diff --git a/test/mocha/plugin.coffee b/test/mocha/plugin.coffee
new file mode 100644
index 0000000..ec9319b
--- /dev/null
+++ b/test/mocha/plugin.coffee
@@ -0,0 +1,23 @@
+chai = require 'chai'
+expect = chai.expect
+### eslint-env node, mocha ###
+
+markdownit = require 'markdown-it'
+plugin = require '../../src/plugin'
+
+describe "graph", ->
+
+  describe.only "base", ->
+
+    it "should work without plugin", ->
+      md = markdownit().use plugin
+      result = md.render "# Heading"
+      expect(result).to.equal('<h1>Heading</h1>\n')
+
+    it "should work using extra renderer call", ->
+      md = markdownit().use plugin
+      env = {}
+      tokens = md.parse "# Heading", env
+      console.log tokens
+      result = md.renderer.render tokens, md.options, env
+      expect(result).to.equal('<h1>Heading</h1>\n')