初始化

towxml/parse/markdown/plugins/ins.js

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+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var n;n="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,n.markdownitIns=e()}}(function(){return function e(n,t,o){function r(s,f){if(!t[s]){if(!n[s]){var u="function"==typeof require&&require;if(!f&&u)return u(s,!0);if(i)return i(s,!0);var l=new Error("Cannot find module '"+s+"'");throw l.code="MODULE_NOT_FOUND",l}var p=t[s]={exports:{}};n[s][0].call(p.exports,function(e){var t=n[s][1][e];return r(t?t:e)},p,p.exports,e,n,t,o)}return t[s].exports}for(var i="function"==typeof require&&require,s=0;s<o.length;s++)r(o[s]);return r}({1:[function(e,n,t){"use strict";n.exports=function(e){function n(e,n){var t,o,r,i,s,f=e.pos,u=e.src.charCodeAt(f);if(n)return!1;if(43!==u)return!1;if(o=e.scanDelims(e.pos,!0),i=o.length,s=String.fromCharCode(u),2>i)return!1;for(i%2&&(r=e.push("text","",0),r.content=s,i--),t=0;i>t;t+=2)r=e.push("text","",0),r.content=s+s,e.delimiters.push({marker:u,jump:t,token:e.tokens.length-1,level:e.level,end:-1,open:o.can_open,close:o.can_close});return e.pos+=o.length,!0}function t(e){var n,t,o,r,i,s=[],f=e.delimiters,u=e.delimiters.length;for(n=0;u>n;n++)o=f[n],43===o.marker&&-1!==o.end&&(r=f[o.end],i=e.tokens[o.token],i.type="ins_open",i.tag="ins",i.nesting=1,i.markup="++",i.content="",i=e.tokens[r.token],i.type="ins_close",i.tag="ins",i.nesting=-1,i.markup="++",i.content="","text"===e.tokens[r.token-1].type&&"+"===e.tokens[r.token-1].content&&s.push(r.token-1));for(;s.length;){for(n=s.pop(),t=n+1;t<e.tokens.length&&"ins_close"===e.tokens[t].type;)t++;t--,n!==t&&(i=e.tokens[t],e.tokens[t]=e.tokens[n],e.tokens[n]=i)}}e.inline.ruler.before("emphasis","ins",n),e.inline.ruler2.before("emphasis","ins",t)}},{}]},{},[1])(1)});

towxml/parse/markdown/plugins/latex.js

@@ -0,0 +1,158 @@
+const config = require('../../../config');
+
+// Test if potential opening or closing delimieter
+// Assumes that there is a "$" at state.src[pos]
+function isValidDelim(state, pos) {
+    var prevChar, nextChar,
+        max = state.posMax,
+        can_open = true,
+        can_close = true;
+
+    prevChar = pos > 0 ? state.src.charCodeAt(pos - 1) : -1;
+    nextChar = pos + 1 <= max ? state.src.charCodeAt(pos + 1) : -1;
+
+    // Check non-whitespace conditions for opening and closing, and
+    // check that closing delimeter isn't followed by a number
+    if (prevChar === 0x20/* " " */ || prevChar === 0x09/* \t */ ||
+            (nextChar >= 0x30/* "0" */ && nextChar <= 0x39/* "9" */)) {
+        can_close = false;
+    }
+    if (nextChar === 0x20/* " " */ || nextChar === 0x09/* \t */) {
+        can_open = false;
+    }
+
+    return {
+        can_open: can_open,
+        can_close: can_close
+    };
+}
+
+function math_inline(state, silent) {
+    var start, match, token, res, pos, esc_count;
+
+    if (state.src[state.pos] !== "$") { return false; }
+
+    res = isValidDelim(state, state.pos);
+    if (!res.can_open) {
+        if (!silent) { state.pending += "$"; }
+        state.pos += 1;
+        return true;
+    }
+
+    // First check for and bypass all properly escaped delimieters
+    // This loop will assume that the first leading backtick can not
+    // be the first character in state.src, which is known since
+    // we have found an opening delimieter already.
+    start = state.pos + 1;
+    match = start;
+    while ( (match = state.src.indexOf("$", match)) !== -1) {
+        // Found potential $, look for escapes, pos will point to
+        // first non escape when complete
+        pos = match - 1;
+        while (state.src[pos] === "\\") { pos -= 1; }
+
+        // Even number of escapes, potential closing delimiter found
+        if ( ((match - pos) % 2) == 1 ) { break; }
+        match += 1;
+    }
+
+    // No closing delimter found.  Consume $ and continue.
+    if (match === -1) {
+        if (!silent) { state.pending += "$"; }
+        state.pos = start;
+        return true;
+    }
+
+    // Check if we have empty content, ie: $$.  Do not parse.
+    if (match - start === 0) {
+        if (!silent) { state.pending += "$$"; }
+        state.pos = start + 1;
+        return true;
+    }
+
+    // Check for valid closing delimiter
+    res = isValidDelim(state, match);
+    if (!res.can_close) {
+        if (!silent) { state.pending += "$"; }
+        state.pos = start;
+        return true;
+    }
+
+    if (!silent) {
+        token         = state.push('math_inline', 'math', 0);
+        token.markup  = "$";
+        token.content = state.src.slice(start, match);
+    }
+
+    state.pos = match + 1;
+    return true;
+}
+
+function math_block(state, start, end, silent){
+    var firstLine, lastLine, next, lastPos, found = false, token,
+        pos = state.bMarks[start] + state.tShift[start],
+        max = state.eMarks[start]
+
+    if(pos + 2 > max){ return false; }
+    if(state.src.slice(pos,pos+2)!=='$$'){ return false; }
+
+    pos += 2;
+    firstLine = state.src.slice(pos,max);
+
+    if(silent){ return true; }
+    if(firstLine.trim().slice(-2)==='$$'){
+        // Single line expression
+        firstLine = firstLine.trim().slice(0, -2);
+        found = true;
+    }
+
+    for(next = start; !found; ){
+
+        next++;
+
+        if(next >= end){ break; }
+
+        pos = state.bMarks[next]+state.tShift[next];
+        max = state.eMarks[next];
+
+        if(pos < max && state.tShift[next] < state.blkIndent){
+            // non-empty line with negative indent should stop the list:
+            break;
+        }
+
+        if(state.src.slice(pos,max).trim().slice(-2)==='$$'){
+            lastPos = state.src.slice(0,max).lastIndexOf('$$');
+            lastLine = state.src.slice(pos,lastPos);
+            found = true;
+        }
+
+    }
+
+    state.line = next + 1;
+
+    token = state.push('math_block', 'math', 0);
+    token.block = true;
+    token.content = (firstLine && firstLine.trim() ? firstLine + '\n' : '')
+    + state.getLines(start + 1, next, state.tShift[start], true)
+    + (lastLine && lastLine.trim() ? lastLine : '');
+    token.map = [ start, state.line ];
+    token.markup = '$$';
+    return true;
+}
+
+module.exports = md => {
+    var inlineRenderer = function(tokens, idx){
+      return `<latex value="${encodeURIComponent(tokens[idx].content).replace(/'/g,'%27')}" type="line"></latex>`;
+    };
+
+    var blockRenderer = function(tokens, idx){
+      return `<latex value="${encodeURIComponent(tokens[idx].content).replace(/'/g, '%27')}" type="block"></latex>`;
+    };
+
+    md.inline.ruler.after('escape', 'math_inline', math_inline);
+    md.block.ruler.after('blockquote', 'math_block', math_block, {
+        alt: [ 'paragraph', 'reference', 'blockquote', 'list' ]
+    });
+    md.renderer.rules.math_inline = inlineRenderer;
+    md.renderer.rules.math_block = blockRenderer;
+};

towxml/parse/markdown/plugins/sub.js

@@ -0,0 +1 @@
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var r;r="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,r.markdownitSub=e()}}(function(){return function e(r,o,n){function t(i,u){if(!o[i]){if(!r[i]){var f="function"==typeof require&&require;if(!u&&f)return f(i,!0);if(s)return s(i,!0);var p=new Error("Cannot find module '"+i+"'");throw p.code="MODULE_NOT_FOUND",p}var a=o[i]={exports:{}};r[i][0].call(a.exports,function(e){var o=r[i][1][e];return t(o?o:e)},a,a.exports,e,r,o,n)}return o[i].exports}for(var s="function"==typeof require&&require,i=0;i<n.length;i++)t(n[i]);return t}({1:[function(e,r){"use strict";function o(e,r){var o,t,s,i=e.posMax,u=e.pos;if(126!==e.src.charCodeAt(u))return!1;if(r)return!1;if(u+2>=i)return!1;for(e.pos=u+1;e.pos<i;){if(126===e.src.charCodeAt(e.pos)){o=!0;break}e.md.inline.skipToken(e)}return o&&u+1!==e.pos?(t=e.src.slice(u+1,e.pos),t.match(/(^|[^\\])(\\\\)*\s/)?(e.pos=u,!1):(e.posMax=e.pos,e.pos=u+1,s=e.push("sub_open","sub",1),s.markup="~",s=e.push("text","",0),s.content=t.replace(n,"$1"),s=e.push("sub_close","sub",-1),s.markup="~",e.pos=e.posMax+1,e.posMax=i,!0)):(e.pos=u,!1)}var n=/\\([ \\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g;r.exports=function(e){e.inline.ruler.after("emphasis","sub",o)}},{}]},{},[1])(1)});

towxml/parse/markdown/plugins/sup.js

@@ -0,0 +1 @@
+!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var r;r="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,r.markdownitSup=e()}}(function(){return function e(r,o,n){function t(i,p){if(!o[i]){if(!r[i]){var u="function"==typeof require&&require;if(!p&&u)return u(i,!0);if(s)return s(i,!0);var f=new Error("Cannot find module '"+i+"'");throw f.code="MODULE_NOT_FOUND",f}var a=o[i]={exports:{}};r[i][0].call(a.exports,function(e){var o=r[i][1][e];return t(o?o:e)},a,a.exports,e,r,o,n)}return o[i].exports}for(var s="function"==typeof require&&require,i=0;i<n.length;i++)t(n[i]);return t}({1:[function(e,r){"use strict";function o(e,r){var o,t,s,i=e.posMax,p=e.pos;if(94!==e.src.charCodeAt(p))return!1;if(r)return!1;if(p+2>=i)return!1;for(e.pos=p+1;e.pos<i;){if(94===e.src.charCodeAt(e.pos)){o=!0;break}e.md.inline.skipToken(e)}return o&&p+1!==e.pos?(t=e.src.slice(p+1,e.pos),t.match(/(^|[^\\])(\\\\)*\s/)?(e.pos=p,!1):(e.posMax=e.pos,e.pos=p+1,s=e.push("sup_open","sup",1),s.markup="^",s=e.push("text","",0),s.content=t.replace(n,"$1"),s=e.push("sup_close","sup",-1),s.markup="^",e.pos=e.posMax+1,e.posMax=i,!0)):(e.pos=p,!1)}var n=/\\([ \\!"#$%&'()*+,.\/:;<=>?@[\]^_`{|}~-])/g;r.exports=function(e){e.inline.ruler.after("emphasis","sup",o)}},{}]},{},[1])(1)});