Move everything related to synopsis into subfolder

Clean up some unused and generated files

doc/synopsis/quicklinks.js

@@ -0,0 +1,118 @@
+// Find an element with a certain tag containing a certain text.
+function findElement (tagname, text) {
+  var els = document.body.getElementsByTagName(tagname)
+  for (var i = 0; i < els.length; i++) {
+    if (els[i].innerText === text) return els[i]
+  }
+  return null
+}
+
+function text (s) {
+  return document.createTextNode(s)
+}
+
+function appendChildren (n, ds) {
+  if (Array.isArray(ds)) for (var i in ds) n.appendChild(ds[i])
+  else if (typeof ds === 'string') n.appendChild(text(ds))
+  else n.appendChild(ds)
+}
+
+function node (tag, cls, ds) {
+  var n = document.createElement(tag)
+  if (cls) n.className = cls
+  if (ds) appendChildren(n, ds)
+  return n
+}
+
+function a (href, txt) {
+  var a = node('a', '', txt)
+  a.href = href
+  return a
+}
+
+function forAllLinks (list, f) {
+  for (var i = 0; i < list.length; i++) {
+    var c = list[i].firstElementChild
+    if (c && c.tagName === 'A' && c.href) f(c)
+  }
+}
+
+/* -------------------------------------------------------------------------- */
+
+// Extract links to the syntax rules
+function listrules (ul) {
+  var rules = []
+  if (ul.tagName !== 'UL') return []
+  forAllLinks(ul.children, function (c) {
+    rules.push({
+      href: c.href,
+      text: c.innerText.split(' -')[0],
+      full: c.innerText
+    })
+  })
+  return rules
+}
+
+// Extract the links to the paradigm sections for all the languages
+function listlangs (ul) {
+  var langs = []
+  if (ul.tagName !== 'UL') return []
+  forAllLinks(ul.children, function (c) {
+    if (/^Paradigms for /.test(c.innerText)) {
+      langs.push({
+        href: c.href,
+        text: c.innerText.substr(14),
+        full: c.innerText
+      })
+    }
+  })
+  return langs
+}
+
+function linklist (links) {
+  var d = node('div')
+  for (var i = 0; i < links.length; i++) {
+    var l = a(links[i].href, links[i].text)
+    l.title = links[i].full
+    d.appendChild(l)
+    d.appendChild(text(' '))
+  }
+  return d
+}
+
+function quicklinks () {
+  // Find the detailed table of contents
+  var h1toc = findElement('h1', 'Table of Contents')
+  var ultoc = h1toc.nextElementSibling
+  while (ultoc && ultoc.tagName !== 'UL') {
+    ultoc = ultoc.nextElementSibling
+  }
+
+  var lis = ultoc.children
+
+  var syntaxrules = []
+  var langs = []
+
+  // Find the Syntax Rules and Lexical Paradigms sections in the toc
+  for (var i = 0; i < lis.length; i++) {
+    var li = lis[i]
+    var c = li.firstElementChild
+    if (c.tagName === 'A') {
+      if (/^Syntax Rules /.test(c.innerText)) {
+        syntaxrules = listrules(c.nextElementSibling)
+      } else if (c.innerText === 'Lexical Paradigms') {
+        langs = listlangs(c.nextElementSibling)
+      }
+    }
+  }
+
+  return node(
+    'div',
+    'row',
+    [ node('div', 'col-5', [ node('h6', '', 'Syntax'), linklist(syntaxrules) ]),
+      node('div', 'col-7', [ node('h6', '', 'Morphology'), linklist(langs) ])
+    ]
+  )
+}
+
+document.getElementById('quicklinks').appendChild(quicklinks())