одиночные замены с параметром
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melekhin
@@ -0,0 +1,256 @@
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namespace QWERTYkez.WordProcessor;
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internal static class DynamicReplaceExt
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{
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// ============================================================
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// Разбор шаблона вида "$key|$" на prefix="$key|" и suffix="$"
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// Параметр помещается между prefix и suffix.
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// ============================================================
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internal static void ParsePattern(string oldValue, out string prefix, out string suffix)
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{
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if (string.IsNullOrEmpty(oldValue))
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throw new ArgumentException("Old value cannot be null or empty", nameof(oldValue));
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int lastPipe = oldValue.LastIndexOf('|');
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if (lastPipe < 0)
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throw new ArgumentException("Dynamic pattern must contain '|' separator", nameof(oldValue));
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prefix = oldValue.Substring(0, lastPipe + 1);
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suffix = oldValue.Substring(lastPipe + 1);
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}
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internal readonly struct MatchInfo(int start, int end, string param)
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{
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public readonly int Start = start;
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public readonly int End = end;
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public readonly string Param = param;
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}
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// ============================================================
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// Поиск всех вхождений prefix + <param> + suffix в тексте.
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// Возвращает список в порядке возрастания позиции.
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// ============================================================
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internal static List<MatchInfo> FindMatches(
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string text,
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string prefix,
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string suffix,
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StringComparison comparisonType)
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{
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var result = new List<MatchInfo>();
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if (string.IsNullOrEmpty(text) || string.IsNullOrEmpty(prefix))
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return result;
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int searchPos = 0;
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while (searchPos < text.Length)
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{
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int pStart = text.IndexOf(prefix, searchPos, comparisonType);
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if (pStart < 0) break;
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int paramStart = pStart + prefix.Length;
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int pEnd;
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if (string.IsNullOrEmpty(suffix))
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{
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pEnd = text.Length;
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}
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else
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{
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pEnd = text.IndexOf(suffix, paramStart, comparisonType);
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if (pEnd < 0) break;
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}
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string param = text.Substring(paramStart, pEnd - paramStart);
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int matchEnd = pEnd + suffix.Length;
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result.Add(new MatchInfo(pStart, matchEnd, param));
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// следующий поиск — после окончания текущего совпадения
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searchPos = matchEnd;
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if (searchPos <= pStart) searchPos = pStart + 1; // защита от зацикливания
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}
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return result;
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}
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// ============================================================
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// REPLACE STRING (Func<string,string>)
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// ============================================================
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internal static void ReplaceStringInBody(
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Body body, string oldValue, Func<string, string> factory, StringComparison comparisonType)
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{
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if (body is null || factory is null) return;
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ParsePattern(oldValue, out var prefix, out var suffix);
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var paragraphs = body.Elements<Paragraph>().ToList();
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for (int i = paragraphs.Count - 1; i >= 0; i--)
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{
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paragraphs[i].SimpleReplaceDynamic(prefix, suffix, factory, comparisonType);
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}
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}
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internal static void ReplaceStringInTables(
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OpenXmlElement element, string oldValue, Func<string, string> factory, StringComparison comparisonType)
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{
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if (element is null || factory is null) return;
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ParsePattern(oldValue, out var prefix, out var suffix);
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foreach (var table in TableTextProcessor.GetAllTables(element))
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{
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var paragraphs = TableTextProcessor.GetTableParagraphs(table).ToList();
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for (int i = paragraphs.Count - 1; i >= 0; i--)
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{
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paragraphs[i].SimpleReplaceDynamic(prefix, suffix, factory, comparisonType);
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}
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}
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}
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internal static void ReplaceStringInHeadersFooters(
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WordprocessingDocument doc, string oldValue, Func<string, string> factory, StringComparison comparisonType)
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{
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if (doc is null || factory is null) return;
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ParsePattern(oldValue, out var prefix, out var suffix);
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foreach (var header in HeaderFooterProcessor.GetAllHeaders(doc))
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ReplaceStringInElement(header, prefix, suffix, factory, comparisonType);
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foreach (var footer in HeaderFooterProcessor.GetAllFooters(doc))
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ReplaceStringInElement(footer, prefix, suffix, factory, comparisonType);
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}
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private static void ReplaceStringInElement(
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OpenXmlElement element, string prefix, string suffix,
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Func<string, string> factory, StringComparison comparisonType)
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{
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var paragraphs = element.Descendants<Paragraph>().ToList();
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var tables = TableTextProcessor.GetAllTables(element).ToList();
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var tableParagraphs = tables.SelectMany(t => TableTextProcessor.GetTableParagraphs(t)).ToList();
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var allParagraphs = paragraphs.Concat(tableParagraphs).Distinct().ToList();
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for (int i = allParagraphs.Count - 1; i >= 0; i--)
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{
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allParagraphs[i].SimpleReplaceDynamic(prefix, suffix, factory, comparisonType);
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}
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}
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internal static bool SimpleReplaceDynamic(
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this Paragraph? paragraph,
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string prefix,
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string suffix,
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Func<string, string> factory,
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StringComparison comparisonType)
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{
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if (paragraph is null || factory is null) return false;
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var text = paragraph.InnerText;
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if (string.IsNullOrEmpty(text)) return false;
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var matches = FindMatches(text, prefix, suffix, comparisonType);
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if (matches.Count == 0) return false;
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// Обходим справа налево: правые замены не сдвигают координаты левых.
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for (int i = matches.Count - 1; i >= 0; i--)
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{
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var m = matches[i];
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string matchedText = text.Substring(m.Start, m.End - m.Start);
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string replacement = factory(m.Param) ?? string.Empty;
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paragraph.SimpleReplace(matchedText, replacement, comparisonType);
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}
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return true;
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}
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// ============================================================
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// REPLACE ITEM (Func<string,ReplaceItem>)
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// ============================================================
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internal static void ReplaceItemInBody(
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Body body, string oldValue, Func<string, ReplaceItem> factory, StringComparison comparisonType)
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{
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if (body is null || factory is null) return;
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ParsePattern(oldValue, out var prefix, out var suffix);
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var paragraphs = body.Elements<Paragraph>().ToList();
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for (int i = paragraphs.Count - 1; i >= 0; i--)
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{
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paragraphs[i].SimpleReplaceItemDynamic(prefix, suffix, factory, comparisonType);
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}
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}
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internal static void ReplaceItemInTables(
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OpenXmlElement element, string oldValue, Func<string, ReplaceItem> factory, StringComparison comparisonType)
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{
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if (element is null || factory is null) return;
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ParsePattern(oldValue, out var prefix, out var suffix);
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foreach (var table in TableTextProcessor.GetAllTables(element))
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{
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var paragraphs = TableTextProcessor.GetTableParagraphs(table).ToList();
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for (int i = paragraphs.Count - 1; i >= 0; i--)
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{
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paragraphs[i].SimpleReplaceItemDynamic(prefix, suffix, factory, comparisonType);
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}
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}
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}
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internal static void ReplaceItemInHeadersFooters(
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WordprocessingDocument doc, string oldValue, Func<string, ReplaceItem> factory, StringComparison comparisonType)
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{
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if (doc is null || factory is null) return;
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ParsePattern(oldValue, out var prefix, out var suffix);
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foreach (var header in HeaderFooterProcessor.GetAllHeaders(doc))
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ReplaceItemInElement(header, prefix, suffix, factory, comparisonType);
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foreach (var footer in HeaderFooterProcessor.GetAllFooters(doc))
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ReplaceItemInElement(footer, prefix, suffix, factory, comparisonType);
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}
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private static void ReplaceItemInElement(
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OpenXmlElement element, string prefix, string suffix,
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Func<string, ReplaceItem> factory, StringComparison comparisonType)
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{
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var paragraphs = element.Descendants<Paragraph>().ToList();
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var tables = TableTextProcessor.GetAllTables(element).ToList();
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var tableParagraphs = tables.SelectMany(t => TableTextProcessor.GetTableParagraphs(t)).ToList();
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var allParagraphs = paragraphs.Concat(tableParagraphs).Distinct().ToList();
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for (int i = allParagraphs.Count - 1; i >= 0; i--)
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{
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allParagraphs[i].SimpleReplaceItemDynamic(prefix, suffix, factory, comparisonType);
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}
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}
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internal static bool SimpleReplaceItemDynamic(
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this Paragraph? paragraph,
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string prefix,
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string suffix,
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Func<string, ReplaceItem> factory,
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StringComparison comparisonType)
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{
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if (paragraph is null || factory is null) return false;
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var text = paragraph.InnerText;
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if (string.IsNullOrEmpty(text)) return false;
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var matches = FindMatches(text, prefix, suffix, comparisonType);
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if (matches.Count == 0) return false;
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for (int i = matches.Count - 1; i >= 0; i--)
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{
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var m = matches[i];
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string matchedText = text.Substring(m.Start, m.End - m.Start);
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ReplaceItem item = factory(m.Param);
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if (item is null) continue;
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if (item.BreakValue.HasValue)
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{
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// Поддерживаются PageBreak / NewLandscapeSection / NewPortraitSection
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paragraph.SimpleReplace(matchedText, string.Empty, comparisonType, item.BreakValue.Value);
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}
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else
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{
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paragraph.SimpleReplace(matchedText, item.Text ?? string.Empty, comparisonType);
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}
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}
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return true;
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}
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}
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