Add json encoding utils

1 files changed, 0 insertions, 290 deletions

diff --git a/lib/page/html.js b/lib/page/html.js
deleted file mode 100644
index e8d3a85..0000000
--- a/lib/page/html.js
+++ /dev/null
@@ -1,290 +0,0 @@
-var _ = require('lodash');
-var url = require('url');
-var cheerio = require('cheerio');
-var domSerializer = require('dom-serializer');
-var slug = require('github-slugid');
-
-var Promise = require('../utils/promise');
-var location = require('../utils/location');
-
-// Selector to ignore
-var ANNOTATION_IGNORE = '.no-glossary,code,pre,a,script,h1,h2,h3,h4,h5,h6';
-
-function HTMLPipeline(htmlString, opts) {
-    _.bindAll(this);
-
-    this.opts = _.defaults(opts || {}, {
-        // Called once the description has been found
-        onDescription: function(description) { },
-
-        // Calcul new href for a relative link
-        onRelativeLink: _.identity,
-
-        // Output an image
-        onImage: _.identity,
-
-        // Syntax highlighting
-        onCodeBlock: _.identity,
-
-        // Output a svg, if returns null the svg is kept inlined
-        onOutputSVG: _.constant(null),
-
-        // Words to annotate
-        annotations: [],
-
-        // When an annotation is applied
-        onAnnotation: function () { }
-    });
-
-    this.$ = cheerio.load(htmlString, {
-        // We should parse html without trying to normalize too much
-        xmlMode: false,
-
-        // SVG need some attributes to use uppercases
-        lowerCaseAttributeNames: false,
-        lowerCaseTags: false
-    });
-}
-
-// Transform a query of elements in the page
-HTMLPipeline.prototype._transform = function(query, fn) {
-    var that = this;
-
-    var $elements = this.$(query);
-
-    return Promise.serie($elements, function(el) {
-        var $el = that.$(el);
-        return fn.call(that, $el);
-    });
-};
-
-// Normalize links
-HTMLPipeline.prototype.transformLinks = function() {
-    return this._transform('a', function($a) {
-        var href = $a.attr('href');
-        if (!href) return;
-
-        if (location.isAnchor(href)) {
-            // Don't "change" anchor links
-        } else if (location.isRelative(href)) {
-            // Preserve anchor
-            var parsed = url.parse(href);
-            var filename = this.opts.onRelativeLink(parsed.pathname);
-
-            $a.attr('href', filename + (parsed.hash || ''));
-        } else {
-            // External links
-            $a.attr('target', '_blank');
-        }
-    });
-};
-
-// Normalize images
-HTMLPipeline.prototype.transformImages = function() {
-    return this._transform('img', function($img) {
-        return Promise(this.opts.onImage($img.attr('src')))
-        .then(function(filename) {
-            $img.attr('src', filename);
-        });
-    });
-};
-
-// Normalize code blocks
-HTMLPipeline.prototype.transformCodeBlocks = function() {
-    return this._transform('code', function($code) {
-        // Extract language
-        var lang = _.chain(
-                ($code.attr('class') || '').split(' ')
-            )
-            .map(function(cl) {
-                // Markdown
-                if (cl.search('lang-') === 0) return cl.slice('lang-'.length);
-
-                // Asciidoc
-                if (cl.search('language-') === 0) return cl.slice('language-'.length);
-
-                return null;
-            })
-            .compact()
-            .first()
-            .value();
-
-        var source = $code.text();
-
-        return Promise(this.opts.onCodeBlock(source, lang))
-        .then(function(blk) {
-            if (blk.html === false) {
-                $code.text(blk.body);
-            } else {
-                $code.html(blk.body);
-            }
-        });
-    });
-};
-
-// Add ID to headings
-HTMLPipeline.prototype.transformHeadings = function() {
-    var that = this;
-
-    this.$('h1,h2,h3,h4,h5,h6').each(function() {
-        var $h = that.$(this);
-
-        // Already has an ID?
-        if ($h.attr('id')) return;
-        $h.attr('id', slug($h.text()));
-    });
-};
-
-// Outline SVG from the HML
-HTMLPipeline.prototype.transformSvgs = function() {
-    var that = this;
-
-    return this._transform('svg', function($svg) {
-        var content = [
-            '<?xml version="1.0" encoding="UTF-8"?>',
-            renderDOM(that.$, $svg)
-        ].join('\n');
-
-        return Promise(that.opts.onOutputSVG(content))
-        .then(function(filename) {
-            if (!filename) return;
-
-            $svg.replaceWith(that.$('<img>').attr('src', filename));
-        });
-    });
-};
-
-// Annotate the content
-HTMLPipeline.prototype.applyAnnotations = function() {
-    var that = this;
-
-    _.each(this.opts.annotations, function(annotation) {
-        var searchRegex =  new RegExp( '\\b(' + pregQuote(annotation.name.toLowerCase()) + ')\\b' , 'gi' );
-
-        that.$('*').each(function() {
-            var $this = that.$(this);
-
-            if (
-                $this.is(ANNOTATION_IGNORE) ||
-                $this.parents(ANNOTATION_IGNORE).length > 0
-            ) return;
-
-            replaceText(that.$, this, searchRegex, function(match) {
-                that.opts.onAnnotation(annotation);
-
-                return '<a href="' + that.opts.onRelativeLink(annotation.href) + '" '
-                    + 'class="glossary-term" title="'+_.escape(annotation.description)+'">'
-                    + match
-                    + '</a>';
-            });
-        });
-    });
-};
-
-// Extract page description from html
-// This can totally be improved
-HTMLPipeline.prototype.extractDescription = function() {
-    var $ = this.$;
-    var $p = $('p').first();
-    var $next = $p.nextUntil('h1,h2,h3,h4,h5,h6,pre,blockquote,ul,ol,div');
-
-    var description = $p.text().trim();
-
-    $next.each(function() {
-        description += ' ' + $(this).text().trim();
-    });
-
-    // Truncate description
-    description = _.trunc(description, 300);
-
-    this.opts.onDescription(description);
-};
-
-// Write content to the pipeline
-HTMLPipeline.prototype.output = function() {
-    var that = this;
-
-    return Promise()
-    .then(this.extractDescription)
-    .then(this.transformImages)
-    .then(this.transformHeadings)
-    .then(this.transformCodeBlocks)
-    .then(this.transformSvgs)
-    .then(this.applyAnnotations)
-
-    // Transform of links should be applied after annotations
-    // because annotations are created as links
-    .then(this.transformLinks)
-
-    .then(function() {
-        return renderDOM(that.$);
-    });
-};
-
-
-// Render a cheerio DOM as html
-function renderDOM($, dom, options) {
-    if (!dom && $._root && $._root.children) {
-        dom = $._root.children;
-    }
-    options = options|| dom.options || $._options;
-    return domSerializer(dom, options);
-}
-
-// Replace text in an element
-function replaceText($, el, search, replace, text_only ) {
-    return $(el).each(function(){
-        var node = this.firstChild,
-            val,
-            new_val,
-
-            // Elements to be removed at the end.
-            remove = [];
-
-        // Only continue if firstChild exists.
-        if ( node ) {
-
-            // Loop over all childNodes.
-            while (node) {
-
-                // Only process text nodes.
-                if ( node.nodeType === 3 ) {
-
-                    // The original node value.
-                    val = node.nodeValue;
-
-                    // The new value.
-                    new_val = val.replace( search, replace );
-
-                    // Only replace text if the new value is actually different!
-                    if ( new_val !== val ) {
-
-                        if ( !text_only && /</.test( new_val ) ) {
-                            // The new value contains HTML, set it in a slower but far more
-                            // robust way.
-                            $(node).before( new_val );
-
-                            // Don't remove the node yet, or the loop will lose its place.
-                            remove.push( node );
-                        } else {
-                            // The new value contains no HTML, so it can be set in this
-                            // very fast, simple way.
-                            node.nodeValue = new_val;
-                        }
-                    }
-                }
-
-                node = node.nextSibling;
-            }
-        }
-
-        // Time to remove those elements!
-        if (remove.length) $(remove).remove();
-    });
-}
-
-function pregQuote( str ) {
-    return (str+'').replace(/([\\\.\+\*\?\[\^\]\$\(\)\{\}\=\!\<\>\|\:])/g, '\\$1');
-}
-
-module.exports = HTMLPipeline;