83 lines
2.8 KiB
C#
83 lines
2.8 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace I2.Loc
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{
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public static partial class LocalizationManager
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{
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static string[] LanguagesRTL = {"ar-DZ", "ar","ar-BH","ar-EG","ar-IQ","ar-JO","ar-KW","ar-LB","ar-LY","ar-MA","ar-OM","ar-QA","ar-SA","ar-SY","ar-TN","ar-AE","ar-YE",
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"fa", "he","ur","ji"};
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public static string ApplyRTLfix(string line) { return ApplyRTLfix(line, 0, true); }
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public static string ApplyRTLfix(string line, int maxCharacters, bool ignoreNumbers)
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{
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if (string.IsNullOrEmpty(line))
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return line;
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// Fix !, ? and . signs not set correctly
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char firstC = line[0];
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if (firstC == '!' || firstC == '.' || firstC == '?')
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line = line.Substring(1) + firstC;
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int tagStart = -1, tagEnd = 0;
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// Find all Tags (and Numbers if ignoreNumbers is true)
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int tagBase = 40000;
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tagEnd = 0;
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var tags = new List<string>();
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while (I2Utils.FindNextTag(line, tagEnd, out tagStart, out tagEnd))
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{
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string tag = "@@" + (char)(tagBase + tags.Count) + "@@";
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tags.Add(line.Substring(tagStart, tagEnd - tagStart + 1));
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line = line.Substring(0, tagStart) + tag + line.Substring(tagEnd + 1);
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tagEnd = tagStart + 5;
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}
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// Split into lines and fix each line
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line = line.Replace("\r\n", "\n");
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line = I2Utils.SplitLine(line, maxCharacters);
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line = RTLFixer.Fix(line, true, !ignoreNumbers);
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// Restore all tags
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for (int i = 0; i < tags.Count; i++)
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{
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var len = line.Length;
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for (int j = 0; j < len; ++j)
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{
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if (line[j] == '@' && line[j + 1] == '@' && line[j + 2] >= tagBase && line[j + 3] == '@' && line[j + 4] == '@')
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{
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int idx = line[j + 2] - tagBase;
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if (idx % 2 == 0) idx++;
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else idx--;
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if (idx >= tags.Count) idx = tags.Count - 1;
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line = line.Substring(0, j) + tags[idx] + line.Substring(j + 5);
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break;
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}
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}
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}
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return line;
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}
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public static string FixRTL_IfNeeded(string text, int maxCharacters = 0, bool ignoreNumber=false)
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{
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if (IsRight2Left)
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return ApplyRTLfix(text, maxCharacters, ignoreNumber);
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return text;
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}
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public static bool IsRTL(string Code)
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{
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return Array.IndexOf(LanguagesRTL, Code)>=0;
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}
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}
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}
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