remove old markdown engine work-in-progress

app/assets/javascripts/pretty-text/engines/discourse-markdown/bbcode-inline.js.es6

@@ -0,0 +1,225 @@
+import { parseBBCodeTag } from 'pretty-text/engines/discourse-markdown/bbcode-block';
+
+function tokanizeBBCode(state, silent, ruler) {
+
+  let pos = state.pos;
+
+  // 91 = [
+  if (silent || state.src.charCodeAt(pos) !== 91) {
+    return false;
+  }
+
+  const tagInfo = parseBBCodeTag(state.src, pos, state.posMax);
+
+  if (!tagInfo) {
+    return false;
+  }
+
+  let rule, i;
+
+  let ruleInfo = ruler.getRuleForTag(tagInfo.tag);
+  if (!ruleInfo) { return false; }
+  rule = ruleInfo.rule;
+
+
+  if (rule.replace) {
+    // special handling for replace
+    // we pass raw contents to callback so we simply need to greedy match to end tag
+    if (tagInfo.closing) {
+      return false;
+    }
+
+    let closeTag = '[/' + tagInfo.tag + ']';
+    let found = false;
+
+    for(i=state.pos+tagInfo.length; i<=state.posMax-closeTag.length; i++) {
+      if (state.src.charCodeAt(pos) === 91 && state.src.slice(i, i + closeTag.length).toLowerCase() === closeTag) {
+        found = true;
+        break;
+      }
+    }
+
+    if (!found) {
+      return false;
+    }
+
+    let content = state.src.slice(state.pos+tagInfo.length, i);
+
+    if (rule.replace(state, tagInfo, content)) {
+      state.pos = i + closeTag.length;
+      return true;
+    } else {
+      return false;
+    }
+  } else {
+
+    tagInfo.rule = rule;
+
+    let token = state.push('text', '' , 0);
+    token.content = state.src.slice(pos, pos+tagInfo.length);
+
+    state.delimiters.push({
+      bbInfo: tagInfo,
+      marker: 'bb' + tagInfo.tag,
+      open: !tagInfo.closing,
+      close: !!tagInfo.closing,
+      token: state.tokens.length - 1,
+      level: state.level,
+      end: -1,
+      jump: 0
+    });
+
+    state.pos = pos + tagInfo.length;
+    return true;
+  }
+}
+
+function processBBCode(state, silent) {
+  let i,
+      startDelim,
+      endDelim,
+      token,
+      tagInfo,
+      delimiters = state.delimiters,
+      max = delimiters.length;
+
+  if (silent) {
+    return;
+  }
+
+  for (i=0; i<max-1; i++) {
+    startDelim = delimiters[i];
+    tagInfo = startDelim.bbInfo;
+
+    if (!tagInfo) {
+      continue;
+    }
+
+    if (startDelim.end === -1) {
+      continue;
+    }
+
+    endDelim = delimiters[startDelim.end];
+
+    token = state.tokens[startDelim.token];
+    let tag, className;
+
+    if (typeof tagInfo.rule.wrap === 'function') {
+      if (!tagInfo.rule.wrap(token, tagInfo)) {
+        return false;
+      }
+      tag = token.tag;
+    } else {
+      let split = tagInfo.rule.wrap.split('.');
+      tag = split[0];
+      className = split.slice(1).join(' ');
+    }
+
+    token.type = 'bbcode_' + tagInfo.tag + '_open';
+    token.tag = tag;
+    if (className) {
+      token.attrs = [['class', className]];
+    }
+    token.nesting = 1;
+    token.markup = token.content;
+    token.content = '';
+
+    token = state.tokens[endDelim.token];
+    token.type = 'bbcode_' + tagInfo.tag + '_close';
+    token.tag = tag;
+    token.nesting = -1;
+    token.markup = token.content;
+    token.content = '';
+  }
+  return false;
+}
+
+export function setup(helper) {
+
+  if (!helper.markdownIt) { return; }
+
+  helper.whiteList(['span.bbcode-b', 'span.bbcode-i', 'span.bbcode-u', 'span.bbcode-s']);
+
+  helper.registerOptions(opts => {
+    opts.features['bbcode-inline'] = true;
+  });
+
+  helper.registerPlugin(md => {
+    const ruler = md.inline.bbcode_ruler;
+
+    md.inline.ruler.push('bbcode-inline', (state,silent) => tokanizeBBCode(state,silent,ruler));
+    md.inline.ruler2.before('text_collapse', 'bbcode-inline', processBBCode);
+
+    ruler.push('code', {
+      tag: 'code',
+      replace: function(state, tagInfo, content) {
+        let token;
+        token = state.push('code_inline', 'code', 0);
+        token.content = content;
+        return true;
+      }
+    });
+
+    ruler.push('url', {
+      tag: 'url',
+      replace: function(state, tagInfo, content) {
+        let token;
+
+        token = state.push('link_open', 'a', 1);
+        token.attrs = [['href', content], ['data-bbcode', 'true']];
+
+        token = state.push('text', '', 0);
+        token.content = content;
+
+        token = state.push('link_close', 'a', -1);
+        return true;
+      }
+    });
+
+    ruler.push('email', {
+      tag: 'email',
+      replace: function(state, tagInfo, content) {
+        let token;
+
+        token = state.push('link_open', 'a', 1);
+        token.attrs = [['href', 'mailto:' + content], ['data-bbcode', 'true']];
+
+        token = state.push('text', '', 0);
+        token.content = content;
+
+        token = state.push('link_close', 'a', -1);
+        return true;
+      }
+    });
+
+    ruler.push('image', {
+      tag: 'img',
+      replace: function(state, tagInfo, content) {
+        let token = state.push('image', 'img', 0);
+        token.attrs = [['src', content],['alt','']];
+        token.children = [];
+        return true;
+      }
+    });
+
+    ruler.push('bold', {
+      tag: 'b',
+      wrap: 'span.bbcode-b',
+    });
+
+    ruler.push('italic', {
+      tag: 'i',
+      wrap: 'span.bbcode-i'
+    });
+
+    ruler.push('underline', {
+      tag: 'u',
+      wrap: 'span.bbcode-u'
+    });
+
+    ruler.push('strike', {
+      tag: 's',
+      wrap: 'span.bbcode-s'
+    });
+  });
+}