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109 lines
3.6 KiB
C#
109 lines
3.6 KiB
C#
using System.Collections.Generic;
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using System.IO;
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using System.Reflection;
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using System.Text.RegularExpressions;
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using System.Windows;
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using YAMP;
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namespace Wox.Plugin.Caculator
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{
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public class Calculator : IPlugin, IPluginI18n
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{
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private static Regex regValidExpressChar = new Regex(
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@"^(" +
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@"sin|cos|ceil|floor|exp|pi|max|min|det|arccos|abs|" +
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@"eigval|eigvec|eig|sum|polar|plot|round|sort|real|zeta|" +
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@"bin2dec|hex2dec|oct2dec|" +
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@"==|~=|&&|\|\||" +
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@"[ei]|[0-9]|[\+\-\*\/\^\., ""]|[\(\)\|\!\[\]]" +
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@")+$", RegexOptions.Compiled);
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private static Regex regBrackets = new Regex(@"[\(\)\[\]]", RegexOptions.Compiled);
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private static ParseContext yampContext = null;
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private PluginInitContext context { get; set; }
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static Calculator()
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{
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yampContext = Parser.PrimaryContext;
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Parser.InteractiveMode = false;
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Parser.UseScripting = false;
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}
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public List<Result> Query(Query query)
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{
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if (query.Search.Length <= 2 // don't affect when user only input "e" or "i" keyword
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|| !regValidExpressChar.IsMatch(query.Search)
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|| !IsBracketComplete(query.Search)) return new List<Result>();
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try
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{
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var result = yampContext.Run(query.Search);
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if (result.Output != null && !string.IsNullOrEmpty(result.Result))
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{
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return new List<Result>() { new Result() {
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Title = result.Result,
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IcoPath = "Images/calculator.png",
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Score = 300,
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SubTitle = "Copy this number to the clipboard",
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Action = (c) =>
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{
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try
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{
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Clipboard.SetText(result.Result);
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return true;
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}
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catch (System.Runtime.InteropServices.ExternalException e)
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{
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MessageBox.Show("Copy failed, please try later");
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return false;
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}
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}
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} };
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}
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}
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catch
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{}
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return new List<Result>();
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}
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private bool IsBracketComplete(string query)
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{
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var matchs = regBrackets.Matches(query);
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var leftBracketCount = 0;
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foreach (Match match in matchs)
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{
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if (match.Value == "(" || match.Value == "[")
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{
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leftBracketCount++;
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}
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else
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{
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leftBracketCount--;
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}
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}
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return leftBracketCount == 0;
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}
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public void Init(PluginInitContext context)
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{
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this.context = context;
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}
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public string GetLanguagesFolder()
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{
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return Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Languages");
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}
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public string GetTranslatedPluginTitle()
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{
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return context.API.GetTranslation("wox_plugin_caculator_plugin_name");
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}
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public string GetTranslatedPluginDescription()
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{
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return context.API.GetTranslation("wox_plugin_caculator_plugin_description");
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}
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}
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}
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