divertr
Version:
Text Diversion Filter
31 lines (28 loc) • 14 kB
JavaScript
/*
** Divertr -- Text Diversion Filter
** Copyright (c) 1997-2021 Dr. Ralf S. Engelschall <rse@engelschall.com>
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Divertr = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(_dereq_,module,exports){
;var _tokenizr=_interopRequireDefault(_dereq_("tokenizr"));function _interopRequireDefault(e){return e&&e.__esModule?e:{default:e}}function _typeof(e){return(_typeof="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}var divertr=function(e,n){var t={std:{regexDump:/-\{([a-zA-Z][a-zA-Z0-9_]*)\}-/,regexEnter:/-\{(\!?)([a-zA-Z][a-zA-Z0-9_]*)(\!?):/,regexLeave:/:((?:[a-zA-Z][a-zA-Z0-9_]*)?)\}-/},alt:{regexDump:/-\{([a-zA-Z][a-zA-Z0-9_]*)\}-/,regexEnter:/-(\!?)([a-zA-Z][a-zA-Z0-9_]*)(\!?)->/,regexLeave:/<-((?:[a-zA-Z][a-zA-Z0-9_]*)?)-/},xml:{regexDump:/<([a-zA-Z][a-zA-Z0-9_]*)\/>/,regexEnter:/<(\!?)([a-zA-Z][a-zA-Z0-9_]*)(\!?)>/,regexLeave:/<\/((?:[a-zA-Z][a-zA-Z0-9_]*)?)>/},mustache:{regexDump:/\{\{([a-zA-Z][a-zA-Z0-9_]*)\}\}/,regexEnter:/\{\{#(\!?)([a-zA-Z][a-zA-Z0-9_]*)(\!?)\}\}/,regexLeave:/\{\{\/((?:[a-zA-Z][a-zA-Z0-9_]*)?)\}\}/},rpm:{regexDump:/%\{([a-zA-Z][a-zA-Z0-9_]*)\}/,regexEnter:/%\{(\!?)([a-zA-Z][a-zA-Z0-9_]*)(\!?):/,regexLeave:/:((?:[a-zA-Z][a-zA-Z0-9_]*)?)\}/},"wml-macro":{regexDump:/\{#([a-zA-Z][a-zA-Z0-9_]*)#\}/,regexEnter:/\{#(\!?)([a-zA-Z][a-zA-Z0-9_]*)(\!?)#:/,regexLeave:/:#((?:[a-zA-Z][a-zA-Z0-9_]*)?)#\}/},"wml-diversion":{regexDump:/<<([a-zA-Z][a-zA-Z0-9_]*)>>/,regexEnter:/\.\.(\!?)([a-zA-Z][a-zA-Z0-9_]*)(\!?)>>/,regexLeave:/<<((?:[a-zA-Z][a-zA-Z0-9_]*)?)\.\./}};if("string"==typeof(n=Object.assign({},{syntax:"std",debug:!1},n)).syntax){if(void 0===t[n.syntax])throw new Error("unknown pre-defined syntax");n.syntax=t[n.syntax]}if("object"!==_typeof(n.syntax))throw new Error("invalid syntax option");if("string"==typeof n.syntax.regexDump&&(n.syntax.regexDump=new RegExp(n.syntax.regexDump)),!("object"===_typeof(n.syntax.regexDump)&&n.syntax.regexDump instanceof RegExp))throw new Error("invalid syntax.regexDump option (RegExp or String expected)");if("string"==typeof n.syntax.regexEnter&&(n.syntax.regexEnter=new RegExp(n.syntax.regexEnter)),!("object"===_typeof(n.syntax.regexEnter)&&n.syntax.regexEnter instanceof RegExp))throw new Error("invalid syntax.regexEnter option (RegExp or String expected)");if("string"==typeof n.syntax.regexLeave&&(n.syntax.regexLeave=new RegExp(n.syntax.regexLeave)),!("object"===_typeof(n.syntax.regexLeave)&&n.syntax.regexLeave instanceof RegExp))throw new Error("invalid syntax.regexLeave option (RegExp or String expected)");var r={location:"main",stack:["null"],buffer:{null:[],main:[]},overwrite:{}},a=new _tokenizr.default;a.rule(n.syntax.regexDump,function(e,n){e.accept("DUMP",{name:n[1]})}),a.rule(n.syntax.regexEnter,function(e,n){e.accept("ENTER",{name:n[2],rewindNow:""!==n[1],rewindNext:""!==n[3]})}),a.rule(n.syntax.regexLeave,function(e,n){e.accept("LEAVE",{name:n[1]})});var o="";a.before(function(e,n,t){"plaintext"!==t.name&&""!==o&&(e.accept("PLAINTEXT",o),o="")}),a.rule(/(?:.|\r?\n)/,function(e,n){o+=n[0],e.ignore()},"plaintext"),a.finish(function(e){""!==o&&e.accept("PLAINTEXT",o)}),a.input(e),a.debug(n.debug),a.tokens().forEach(function(e){if(e.isA("DUMP")){var n=e.value.name;if(void 0===r.buffer[n]&&(r.buffer[n]=[]),r.buffer[r.location]===r.buffer[n])throw new Error('self-reference of location "'.concat(r.location,'"'));r.buffer[r.location].push(r.buffer[n])}else if(e.isA("ENTER")){r.stack.push(r.location),r.location=e.value.name;var t=e.value.rewindNow,a=e.value.rewindNext;if(void 0===r.buffer[r.location]&&(r.buffer[r.location]=[]),r.overwrite[r.location]&&(t=!0,r.overwrite[r.location]=!1),a&&(r.overwrite[r.location]=!0),t)for(;r.buffer[r.location].length>0;)r.buffer[r.location].pop()}else if(e.isA("LEAVE")){if(0===r.stack.length)throw new Error('cannot leave "null" location (already in "null" location)');var o=e.value.name;if("null"===o)throw new Error('cannot leave "null" location (not allowed at all)');if(""!==o&&o!==r.location){var i=r.stack.indexOf(o);if(-1===i)throw new Error('no such entered location "'.concat(o,'"'));r.stack.splice(i),r.location=r.stack.pop()}else r.location=r.stack.pop()}else e.isA("PLAINTEXT")&&r.buffer[r.location].push(e.value)}),n.debug&&console.log("INTERNAL STATE AFTER PASS 1:\n"+JSON.stringify(r,null," "));return r.stack=[],function e(n){r.stack.forEach(function(e){if(e===n){var t="unknown";throw Object.keys(r.buffer).forEach(function(e){r.buffer[e]===n&&(t=e)}),new Error('recursion through location "'.concat(t,'"'))}}),r.stack.push(n);var t="";return n.forEach(function(n){"object"===_typeof(n)?t+=e(n):t+=n}),r.stack.pop(),t}(r.buffer.main)};module.exports=divertr;
},{"tokenizr":"tokenizr"}]},{},[1])(1)
});
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