349 lines
No EOL
10 KiB
C#
349 lines
No EOL
10 KiB
C#
/*
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Copyright (c) 2014, Lars Brubaker
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Text.RegularExpressions;
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using MatterHackers.Agg;
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// finish a, b, t
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namespace MatterHackers.MatterControl.Plugins.BrailleBuilder
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{
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public static class BrailleGrade2
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{
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internal class TextMapping
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{
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internal string Key;
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internal string Value;
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internal TextMapping(string key, string value)
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{
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this.Key = key;
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this.Value = value;
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}
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public override string ToString()
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{
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return "{0} -> {1}".FormatWith(Key, Value);
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}
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}
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static List<TextMapping> exactTextMappings = new List<TextMapping>();
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static List<TextMapping> anyPositionMappings = new List<TextMapping>();
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static List<TextMapping> afterTextMappings = new List<TextMapping>();
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static List<TextMapping> beforeTextMappings = new List<TextMapping>();
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static List<TextMapping> betweenTextMappings = new List<TextMapping>();
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static List<TextMapping> beforeWordsMappings = new List<TextMapping>();
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static List<TextMapping> numberMappngs = new List<TextMapping>();
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static List<TextMapping> postWordPunctuationMappings = new List<TextMapping>();
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public static string ConvertWord(string text, bool isLastWord = false)
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{
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EnsureInitialized();
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string converted = text;
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//Convert numbers and punctuation, skip words starting with # in the contractions
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if (IsNumeric(converted))
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{
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string numConversion = ("#" + converted);
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foreach (TextMapping keyValue in numberMappngs)
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{
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numConversion = numConversion.Replace(keyValue.Key, keyValue.Value);
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}
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converted = numConversion;
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}
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foreach (TextMapping keyValue in postWordPunctuationMappings)
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{
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if (converted[converted.Length - 1] == keyValue.Key[0])
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{
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converted = converted.Substring(0, converted.Length - 1) + keyValue.Value;
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}
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}
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if (converted[0] != '#')
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{
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// put in commas before capitals
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converted = Regex.Replace(converted, "([A-Z])", ",$1");
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converted = converted.ToLower();
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// do the replacements that must be the complete word by itself
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foreach (TextMapping keyValue in exactTextMappings)
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{
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if (compareStringIgnoringPunctuation(converted, keyValue.Key))
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{
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converted = converted.Replace(keyValue.Key, keyValue.Value);
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return converted;
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}
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}
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// do the replacements that must come after other characters
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string tempAfterFirstCharacter = converted.Substring(1);
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foreach (TextMapping keyValue in afterTextMappings)
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{
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if (tempAfterFirstCharacter.Contains(keyValue.Key))
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{
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converted = converted.Substring(0, 1) + tempAfterFirstCharacter.Replace(keyValue.Key, keyValue.Value);
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tempAfterFirstCharacter = converted.Substring(1);
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}
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}
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// do the replacements that must come after other characters
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string tempBeforeLastCharacter = converted.Substring(0, converted.Length - 1);
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foreach (TextMapping keyValue in beforeTextMappings)
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{
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if (tempBeforeLastCharacter.Contains(keyValue.Key))
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{
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converted = tempBeforeLastCharacter.Replace(keyValue.Key, keyValue.Value) + converted[converted.Length - 1];
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tempBeforeLastCharacter = converted.Substring(0, converted.Length - 1);
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}
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}
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// do the replacements that can go anywhere
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foreach (TextMapping keyValue in anyPositionMappings)
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{
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if (converted.Contains(keyValue.Key))
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{
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converted = converted.Replace(keyValue.Key, keyValue.Value);
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}
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}
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if (converted.Length > 2)
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{
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// do the replacements that must come after and before other characters
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string tempMiddleCharacters = converted.Substring(1, converted.Length - 2);
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foreach (TextMapping keyValue in betweenTextMappings)
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{
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if (tempMiddleCharacters.Contains(keyValue.Key))
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{
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converted = converted.Substring(0, 1) + tempMiddleCharacters.Replace(keyValue.Key, keyValue.Value) + converted.Substring(converted.Length - 1, 1);
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}
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}
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}
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if (!isLastWord)
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{
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foreach (TextMapping keyValue in beforeWordsMappings)
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{
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if (converted == keyValue.Key)
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{
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converted = keyValue.Value;
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return converted;
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}
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}
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}
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}
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return converted;
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}
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private static bool compareStringIgnoringPunctuation(string possiblyPunctuatedString, string targetExactMatch)
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{
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string punctuationStrippedString = possiblyPunctuatedString;
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if (Char.IsPunctuation(punctuationStrippedString[0]))
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{
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punctuationStrippedString = punctuationStrippedString.TrimStart(punctuationStrippedString[0]);
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}
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if (Char.IsPunctuation(punctuationStrippedString[punctuationStrippedString.Length - 1]))
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{
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punctuationStrippedString = punctuationStrippedString.TrimEnd(punctuationStrippedString[punctuationStrippedString.Length - 1]);
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}
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return punctuationStrippedString == targetExactMatch;
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}
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private static bool isInitialized = false;
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private static void EnsureInitialized()
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{
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if (!isInitialized)
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{
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ConvertMappingStringToList();
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anyPositionMappings.Sort(SortOnKeySize);
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isInitialized = true;
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}
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}
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private static int SortOnKeySize(TextMapping x, TextMapping y)
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{
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return y.Key.Length.CompareTo(x.Key.Length);
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}
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public static string ConvertString(string text)
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{
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string[] words = text.Split(' ');
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StringBuilder finalString = new StringBuilder();
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bool first = true;
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bool skipSpace = false;
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int numWords = words.Length;
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int wordIndex = 0;
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foreach (string word in words)
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{
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wordIndex++;
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if (word != null && word.Length > 0)
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{
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if (!first && !skipSpace)
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{
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finalString.Append(" ");
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skipSpace = false;
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}
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skipSpace = checkSkipSpace(word, wordIndex != numWords ? words[wordIndex] : null);
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finalString.Append(ConvertWord(word, wordIndex == numWords));
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first = false;
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}
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}
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string output = finalString.ToString();
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return output;
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}
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private static bool checkSkipSpace(string word, string nextWord)
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{
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bool skipSpace = false;
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if (nextWord != null)
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{
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foreach (TextMapping keyValue in beforeWordsMappings)
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{
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if (word == keyValue.Key)
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{
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skipSpace = true;
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}
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}
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if (skipSpace)//Special Case: The word 'for' only skips if followed by the word 'the'
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{
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skipSpace = word != "for" || nextWord == "the";
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}
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}
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return skipSpace;
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}
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private static void ConvertMappingStringToList()
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{
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string[] conversions = BrailleGrade2Mapping.mappingTable.Split('\n');
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foreach (string inLine in conversions)
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{
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string line = inLine.Replace("\r", "").Trim();
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if (line != null && line.Length > 0)
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{
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string[] keyConversionPair = line.Split(' ');
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if (keyConversionPair.Length == 2 && keyConversionPair[0] != null && keyConversionPair[0].Length > 0 && keyConversionPair[1] != null && keyConversionPair[1].Length > 0)
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{
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if (keyConversionPair[0] != "//")
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{
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TextMapping mapping = new TextMapping(keyConversionPair[0], keyConversionPair[1]);
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if (IsNumeric(mapping.Key))
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{
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numberMappngs.Add(mapping);
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}
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else if (mapping.Key == mapping.Key.ToUpper())//if in all caps it is an exact match
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{
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mapping.Key = mapping.Key.ToLower();
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if (mapping.Key.Contains("*"))
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{
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if (mapping.Key[0] == '*')
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{
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mapping.Key = mapping.Key.Trim('*');
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postWordPunctuationMappings.Add(mapping);
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}
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else
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{
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mapping.Key = mapping.Key.Trim('*');
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beforeWordsMappings.Add(mapping);
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}
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}
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else
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{
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exactTextMappings.Add(mapping);
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}
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}
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else if (mapping.Key[0] == '+' && mapping.Key[mapping.Key.Length - 1] == '+')//check between
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{
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mapping.Key = mapping.Key.Trim('+');
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betweenTextMappings.Add(mapping);
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}
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else if (mapping.Key[0] == '+')
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{
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mapping.Key = mapping.Key.Trim('+');
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afterTextMappings.Add(mapping);
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}
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else if (mapping.Key[mapping.Key.Length - 1] == '+')
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{
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mapping.Key = mapping.Key.Trim('+');
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beforeTextMappings.Add(mapping);
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}
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else if (mapping.Key.Contains("*"))
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{
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if (mapping.Key[0] == '*')
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{
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mapping.Key = mapping.Key.Trim('*');
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postWordPunctuationMappings.Add(mapping);
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}
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else
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{
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mapping.Key = mapping.Key.Trim('*');
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beforeWordsMappings.Add(mapping);
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}
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}
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else//if not a special type then it is an anyPositionMapping
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{
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anyPositionMappings.Add(mapping);
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}
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}
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}
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}
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}
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}
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private static bool IsNumeric(string p)
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{
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bool isNumeric = true;
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for (int i = 0; i < p.Length && isNumeric; i++)
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{
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char current = p[i];
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isNumeric = (Char.IsNumber(current) || char.IsPunctuation(current)) && current != '*';
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}
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return isNumeric;
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}
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}
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} |