98 lines
3.6 KiB
C#
98 lines
3.6 KiB
C#
namespace QWERTYkez.WordProcessor;
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/// <summary>
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/// Динамическая замена параграфа, содержащего "$key|param$", на таблицу.
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/// Логика построения и подмены — 1:1 копия из <see cref="ReplaceToTableExt"/>,
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/// плюс извлечение параметра.
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/// </summary>
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internal static class DynamicReplaceToTableExt
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{
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/// <summary>
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/// Заменяет все параграфы, содержащие шаблон "$key|...$", на таблицы.
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/// </summary>
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/// <param name="buildTable">Делегат (param, tableBuilder) — параметр из "$key|param$" и билдер таблицы.</param>
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internal static void ReplaceParagraphsContainingTextToTableDynamic(
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Body body,
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string oldValue,
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Action<string, ITable> buildTable,
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FontProps? baseFont = null)
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{
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if (body is null || string.IsNullOrEmpty(oldValue) || buildTable is null)
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return;
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DynamicReplaceExt.ParsePattern(oldValue, out var prefix, out var suffix);
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var paragraphs = body.Elements<Paragraph>().ToList();
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if (paragraphs.Count == 0)
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return;
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for (int i = paragraphs.Count - 1; i >= 0; i--)
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{
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var paragraph = paragraphs[i];
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if (paragraph is null) continue;
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var paraText = paragraph.InnerText;
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if (string.IsNullOrEmpty(paraText)) continue;
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int pStart = paraText.IndexOf(prefix, StringComparison.OrdinalIgnoreCase);
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if (pStart < 0) continue;
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int paramStart = pStart + prefix.Length;
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int pEnd = string.IsNullOrEmpty(suffix)
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? paraText.Length
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: paraText.IndexOf(suffix, paramStart, StringComparison.OrdinalIgnoreCase);
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if (pEnd < 0) continue;
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string param = paraText.Substring(paramStart, pEnd - paramStart);
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string matchedText = paraText.Substring(pStart, pEnd + suffix.Length - pStart);
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// Извлекаем свойства шрифта из Run-а, содержащего совпадение
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var fontProps = paragraph.ExtractFontProps(matchedText);
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if (fontProps is { } props)
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fontProps = props.Override(baseFont);
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else if (baseFont is not null)
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fontProps = baseFont;
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ReplaceWithTableBuilderDynamic(paragraph, param, buildTable, fontProps);
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}
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}
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/// <summary>
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/// Создаёт TableBuilder, вызывает пользовательский делегат, заменяет параграф таблицей.
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/// (Копия <see cref="ReplaceToTableExt.ReplaceWithTableBuilder"/> с добавленным param.)
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/// </summary>
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private static void ReplaceWithTableBuilderDynamic(
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Paragraph paragraph,
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string param,
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Action<string, ITable> buildTable,
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FontProps? baseFont)
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{
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if (paragraph is null || paragraph.Parent is null || buildTable is null)
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return;
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var parent = paragraph.Parent;
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var builder = TableBuilder.Create(baseFont);
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buildTable(param, builder);
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var table = builder.Build();
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int paraIndex = -1;
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var children = parent.ChildElements;
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for (int i = 0; i < children.Count; i++)
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{
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if (children[i] == paragraph)
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{
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paraIndex = i;
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break;
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}
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}
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if (paraIndex == -1)
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return;
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parent.RemoveChild(paragraph);
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parent.InsertAt(table, paraIndex);
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}
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} |