Use JS & Jade to generate the customizer variables form HTML from variables.less; fixes #11095

also updates variables file organization (courtesy @mdo)
author: Chris Rebert <[email protected]> 2013-10-17 19:52:16 -0700
committer: Chris Rebert <[email protected]> 2014-01-08 12:41:51 -0800
commit: 39861714a80b68cd42a2e2b812be53f0b0f6b70d (patch)
tree: 18c4717950db3637999d1e75d28bea1265aba810 /docs/grunt
parent: c9ba678b9facc1afea0bc717a5c0f48e557e8fe9 (diff)
download: bootstrap-39861714a80b68cd42a2e2b812be53f0b0f6b70d.tar.xz
bootstrap-39861714a80b68cd42a2e2b812be53f0b0f6b70d.zip
1 files changed, 179 insertions, 0 deletions
diff --git a/docs/grunt/bs-lessdoc-parser.js b/docs/grunt/bs-lessdoc-parser.js
new file mode 100644
index 000000000..8c232d80c
--- /dev/null
+++ b/docs/grunt/bs-lessdoc-parser.js
@@ -0,0 +1,179 @@
+/* jshint node: true */
+
+var markdown = require('markdown').markdown;
+
+function markdown2html(markdownString) {
+  // the slice removes the <p>...</p> wrapper output by Markdown processor
+  return markdown.toHTML(markdownString.trim()).slice(3, -4);
+}
+
+
+/*
+Mini-language:
+  //== This is a normal heading, which starts a section. Sections group variables together.
+  //## Optional description for the heading
+
+  //** Optional description for the following variable. You **can** use Markdown in descriptions to discuss `<html>` stuff.
+  @foo: #ffff;
+
+  //-- This is a heading for a section whose variables shouldn't be customizable
+
+  All other lines are ignored completely.
+*/
+
+
+var CUSTOMIZABLE_HEADING = /^[/]{2}={2}(.*)$/;
+var UNCUSTOMIZABLE_HEADING = /^[/]{2}-{2}(.*)$/;
+var SECTION_DOCSTRING = /^[/]{2}#{2}(.*)$/;
+var VAR_ASSIGNMENT = /^(@[a-zA-Z0-9_-]+):[ ]*([^ ;][^;]+);[ ]*$/;
+var VAR_DOCSTRING = /^[/]{2}[*]{2}(.*)$/;
+
+function Section(heading, customizable) {
+  this.heading = heading.trim();
+  this.id = this.heading.replace(/\s+/g, '-').toLowerCase();
+  this.customizable = customizable;
+  this.docstring = null;
+  this.variables = [];
+  this.addVar = function (variable) {
+    this.variables.push(variable);
+  };
+}
+
+function VarDocstring(markdownString) {
+  this.html = markdown2html(markdownString);
+}
+
+function SectionDocstring(markdownString) {
+  this.html = markdown2html(markdownString);
+}
+
+function Variable(name, defaultValue) {
+  this.name = name;
+  this.defaultValue = defaultValue;
+  this.docstring = null;
+}
+
+function Tokenizer(fileContent) {
+  this._lines = fileContent.split('\n');
+  this._next = undefined;
+}
+
+Tokenizer.prototype.unshift = function (token) {
+  if (this._next !== undefined) {
+    throw new Error('Attempted to unshift twice!');
+  }
+  this._next = token;
+};
+
+Tokenizer.prototype._shift = function () {
+  // returning null signals EOF
+  // returning undefined means the line was ignored
+  if (this._next !== undefined) {
+    var result = this._next;
+    this._next = undefined;
+    return result;
+  }
+  if (this._lines.length <= 0) {
+    return null;
+  }
+  var line = this._lines.shift();
+  var match = null;
+  match = CUSTOMIZABLE_HEADING.exec(line);
+  if (match !== null) {
+    return new Section(match[1], true);
+  }
+  match = UNCUSTOMIZABLE_HEADING.exec(line);
+  if (match !== null) {
+    return new Section(match[1], false);
+  }
+  match = SECTION_DOCSTRING.exec(line);
+  if (match !== null) {
+    return new SectionDocstring(match[1]);
+  }
+  match = VAR_DOCSTRING.exec(line);
+  if (match !== null) {
+    return new VarDocstring(match[1]);
+  }
+  var commentStart = line.lastIndexOf('//');
+  var varLine = (commentStart === -1) ? line : line.slice(0, commentStart);
+  match = VAR_ASSIGNMENT.exec(varLine);
+  if (match !== null) {
+    return new Variable(match[1], match[2]);
+  }
+  return undefined;
+};
+
+Tokenizer.prototype.shift = function () {
+  while (true) {
+    var result = this._shift();
+    if (result === undefined) {
+      continue;
+    }
+    return result;
+  }
+};
+
+function Parser(fileContent) {
+  this._tokenizer = new Tokenizer(fileContent);
+}
+
+Parser.prototype.parseFile = function () {
+  var sections = [];
+  while (true) {
+    var section = this.parseSection();
+    if (section === null) {
+      if (this._tokenizer.shift() !== null) {
+        throw new Error('Unexpected unparsed section of file remains!');
+      }
+      return sections;
+    }
+    sections.push(section);
+  }
+};
+
+Parser.prototype.parseSection = function () {
+  var section = this._tokenizer.shift();
+  if (section === null) {
+    return null;
+  }
+  if (!(section instanceof Section)) {
+    throw new Error('Expected section heading; got: ' + JSON.stringify(section));
+  }
+  var docstring = this._tokenizer.shift();
+  if (docstring instanceof SectionDocstring) {
+    section.docstring = docstring;
+  }
+  else {
+    this._tokenizer.unshift(docstring);
+  }
+  this.parseVars(section);
+  return section;
+};
+
+Parser.prototype.parseVars = function (section) {
+  while (true) {
+    var variable = this.parseVar();
+    if (variable === null) {
+      return;
+    }
+    section.addVar(variable);
+  }
+};
+
+Parser.prototype.parseVar = function () {
+  var docstring = this._tokenizer.shift();
+  if (!(docstring instanceof VarDocstring)) {
+    this._tokenizer.unshift(docstring);
+    docstring = null;
+  }
+  var variable = this._tokenizer.shift();
+  if (variable instanceof Variable) {
+    variable.docstring = docstring;
+    return variable;
+  }
+  this._tokenizer.unshift(variable);
+  return null;
+};
+
+
+module.exports = Parser;
author	Chris Rebert <[email protected]>	2013-10-17 19:52:16 -0700
committer	Chris Rebert <[email protected]>	2014-01-08 12:41:51 -0800
commit	39861714a80b68cd42a2e2b812be53f0b0f6b70d (patch)
tree	18c4717950db3637999d1e75d28bea1265aba810 /docs/grunt
parent	c9ba678b9facc1afea0bc717a5c0f48e557e8fe9 (diff)
download	bootstrap-39861714a80b68cd42a2e2b812be53f0b0f6b70d.tar.xz bootstrap-39861714a80b68cd42a2e2b812be53f0b0f6b70d.zip