Refactor: String parsing methods (#667)

* WIP * string methods refactor * fixed refactor
2025-12-16 05:10:00 +01:00 · 2019-04-18 17:29:38 +05:30
parent 2be7a3dca6
commit 6339229836
2 changed files with 143 additions and 129 deletions
--- a/src/Strings.js
+++ b/src/Strings.js
@@ -0,0 +1,130 @@
+module.exports = function(steps, modulesInfo, addSteps, copy) {
+  // Genates a CLI string for the current sequence
+  function toCliString() {
+    var cliStringSteps = `"`, cliOptions = {};
+    for (var step in this.steps) {
+      var name = (typeof this.steps[step].options !== "undefined")? this.steps[step].options.name : this.steps[step].name
+      if (name !== "load-image"){
+        cliStringSteps += `${name} `;
+      }
+      for (var inp in modulesInfo(name).inputs) {
+        cliOptions[inp] = this.steps[step].options[inp];
+      }
+    }
+    cliStringSteps = cliStringSteps.substr(0, cliStringSteps.length - 1) + `"`;
+    return `sequencer -i [PATH] -s ${cliStringSteps} -d '${JSON.stringify(cliOptions)}'`
+  }
+
+  // Strigifies the current sequence
+  function toString(step) {
+    if (step) {
+      return stepToString(step);
+    } else {
+      return copy(this.steps.map(stepToString).slice(1).join(','));
+    }
+  }
+
+  // Stringifies one step of the sequence
+  function stepToString(step) {
+    var arg = (step.name)?step.name:step.options.name;
+    let inputs = modulesInfo(arg).inputs || {}, op = {};
+
+    for (let input in inputs) {
+
+      if (!!step.options[input] && step.options[input] != inputs[input].default) {
+        op[input] = step.options[input];
+        op[input] = encodeURIComponent(op[input]);
+      }
+
+    }
+
+    var configurations = Object.keys(op).map(key => key + ':' + op[key]).join('|');
+    return `${arg}{${configurations}}`;
+  }
+
+  // exports the current sequence as an array of JSON steps
+  function toJSON() {
+    return this.stringToJSON(this.toString());
+  }
+
+  // Coverts stringified sequence into an array of JSON steps
+  function stringToJSON(str) {
+    let steps;
+    if (str.includes(','))
+      steps = str.split(',');
+    else
+      steps = [str];
+    return steps.map(stringToJSONstep);
+  }
+
+  // Converts one stringified step into JSON
+  function stringToJSONstep(str) {
+    var bracesStrings;
+    if (str.includes('{'))
+      if (str.includes('(') && str.indexOf('(') < str.indexOf('{'))
+        bracesStrings = ['(', ')'];
+      else
+        bracesStrings = ['{', '}'];
+    else
+      bracesStrings = ['(', ')'];
+
+    if (str.indexOf(bracesStrings[0]) === -1) { // if there are no settings specified
+      var moduleName = str.substr(0);
+      stepSettings = "";
+    } else {
+      var moduleName = str.substr(0, str.indexOf(bracesStrings[0]));
+      stepSettings = str.slice(str.indexOf(bracesStrings[0]) + 1, -1);
+    }
+
+    stepSettings = stepSettings.split('|').reduce(function formatSettings(accumulator, current, i) {
+      var settingName = current.substr(0, current.indexOf(':')),
+        settingValue = current.substr(current.indexOf(':') + 1);
+      settingValue = settingValue.replace(/^\(/, '').replace(/\)$/, ''); // strip () at start/end
+      settingValue = settingValue.replace(/^\{/, '').replace(/\}$/, ''); // strip {} at start/end
+      settingValue = decodeURIComponent(settingValue);
+      current = [
+        settingName,
+        settingValue
+      ];
+      if (!!settingName) accumulator[settingName] = settingValue;
+      return accumulator;
+    }, {});
+
+    return {
+      name: moduleName,
+      options: stepSettings
+    }
+  }
+
+  // imports a string into the sequencer steps
+  function importString(str) {
+    let sequencer = this;
+    if (this.name != "ImageSequencer")
+      sequencer = this.sequencer;
+    var stepsFromString = stringToJSON(str);
+    stepsFromString.forEach(function eachStep(stepObj) {
+      sequencer.addSteps(stepObj.name, stepObj.options);
+    });
+  }
+
+  // imports a array of JSON steps into the sequencer steps
+  function importJSON(obj) {
+    let sequencer = this;
+    if (this.name != "ImageSequencer")
+      sequencer = this.sequencer;
+    obj.forEach(function eachStep(stepObj) {
+      sequencer.addSteps(stepObj.name, stepObj.options);
+    });
+  }
+
+  return {
+    toCliString: toCliString,
+    toString: toString,
+    stepToString: stepToString,
+    toJSON: toJSON,
+    stringToJSON: stringToJSON,
+    stringToJSONstep: stringToJSONstep,
+    importString: importString,
+    importJSON: importJSON
+  }
+}