426 lines
16 KiB
C#
426 lines
16 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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namespace CadParamPluging.Common
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{
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public static class NoteTemplateEngine
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{
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public sealed class PlaceholderOccurrence
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{
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public int Index { get; set; }
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public int Start { get; set; }
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public int LineNumber { get; set; }
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public int ColumnInLine { get; set; }
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public string LineText { get; set; }
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}
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public static int CountPlaceholders(string text)
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{
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if (string.IsNullOrEmpty(text))
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{
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return 0;
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}
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var count = 0;
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for (var i = 0; i < text.Length;)
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{
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if (text[i] != '*')
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{
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i++;
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continue;
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}
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var j = i;
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while (j < text.Length && text[j] == '*')
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{
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j++;
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}
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var len = j - i;
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if (len != 4)
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{
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count += len;
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}
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i = j;
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}
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return count;
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}
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public static List<PlaceholderOccurrence> ParseOccurrences(string text)
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{
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var result = new List<PlaceholderOccurrence>();
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if (string.IsNullOrEmpty(text))
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{
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return result;
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}
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var s = NormalizeNewLines(text);
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// Keep empty lines for correct line number mapping.
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var lines = s.Split(new[] { '\n' }, StringSplitOptions.None);
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// Build line start offsets.
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var lineStartOffsets = new int[lines.Length];
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var offset = 0;
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for (var i = 0; i < lines.Length; i++)
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{
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lineStartOffsets[i] = offset;
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offset += (lines[i] ?? string.Empty).Length;
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if (i < lines.Length - 1)
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{
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offset += 1; // '\n'
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}
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}
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var placeholderIndex = 0;
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var lineIdx = 0;
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var lineStart = lines.Length > 0 ? lineStartOffsets[0] : 0;
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for (var i = 0; i < s.Length;)
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{
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// Move line index if needed.
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while (lineIdx + 1 < lineStartOffsets.Length && i >= lineStartOffsets[lineIdx] + (lines[lineIdx] ?? string.Empty).Length + 1)
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{
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lineIdx++;
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lineStart = lineStartOffsets[lineIdx];
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}
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if (s[i] != '*')
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{
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i++;
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continue;
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}
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var j = i;
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while (j < s.Length && s[j] == '*')
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{
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j++;
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}
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var runLen = j - i;
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if (runLen == 4)
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{
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i = j;
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continue;
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}
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var lineText = (lineIdx >= 0 && lineIdx < lines.Length) ? (lines[lineIdx] ?? string.Empty) : string.Empty;
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for (var k = 0; k < runLen; k++)
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{
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placeholderIndex++;
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var pos = i + k;
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var col = pos - lineStart;
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if (col < 0) col = 0;
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result.Add(new PlaceholderOccurrence
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{
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Index = placeholderIndex,
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Start = pos,
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LineNumber = lineIdx + 1,
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ColumnInLine = col,
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LineText = lineText
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});
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}
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i = j;
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}
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return result;
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}
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public static string BuildNumberedPreviewText(string templateText)
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{
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templateText = templateText ?? string.Empty;
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var s = NormalizeNewLines(templateText);
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var sb = new StringBuilder(s.Length + 64);
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var placeholderIndex = 0;
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for (var i = 0; i < s.Length;)
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{
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if (s[i] != '*')
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{
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sb.Append(s[i]);
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i++;
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continue;
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}
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var j = i;
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while (j < s.Length && s[j] == '*')
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{
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j++;
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}
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var runLen = j - i;
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if (runLen == 4)
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{
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sb.Append("****");
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i = j;
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continue;
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}
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for (var k = 0; k < runLen; k++)
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{
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placeholderIndex++;
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sb.Append("【#");
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sb.Append(placeholderIndex);
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sb.Append("】");
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}
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i = j;
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}
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return sb.ToString();
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}
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public static string Render(string templateText, IEnumerable<NotePlaceholderBinding> bindings, Func<string, string> getValue)
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{
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templateText = templateText ?? string.Empty;
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// Normalize newlines to \n
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var s = NormalizeNewLines(templateText);
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// Split into lines to process removal logic
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var lines = s.Split(new[] { '\n' }, StringSplitOptions.None);
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// Build map
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var map = new Dictionary<int, string>();
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foreach (var b in bindings ?? Enumerable.Empty<NotePlaceholderBinding>())
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{
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if (b != null && b.Index > 0 && !string.IsNullOrWhiteSpace(b.ParamKey))
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{
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var key = b.ParamKey.Trim();
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if (!map.ContainsKey(b.Index))
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{
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map[b.Index] = key;
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}
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}
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}
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var resultLines = new List<string>();
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var placeholderIndex = 0;
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foreach (var line in lines)
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{
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// 1. Scan line to determine if it should be skipped (if any param value is "空")
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bool shouldSkip = false;
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int localPlaceholderCount = 0;
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// We must traverse the line to find placeholders correctly to sync index
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for (int i = 0; i < line.Length; )
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{
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if (line[i] != '*')
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{
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i++;
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continue;
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}
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// Check for escape ****
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int j = i;
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while (j < line.Length && line[j] == '*') j++;
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if (j - i == 4)
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{
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// **** counts as text, not placeholder
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i = j;
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continue;
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}
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// Run of * (length != 4)
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int runLen = j - i;
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for (int k = 0; k < runLen; k++)
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{
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localPlaceholderCount++;
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int currentIdx = placeholderIndex + localPlaceholderCount;
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if (map.TryGetValue(currentIdx, out var key) && getValue != null)
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{
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var val = getValue(key);
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if (string.Equals(val, "__SKIP_NOTE__", StringComparison.OrdinalIgnoreCase))
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{
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shouldSkip = true;
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}
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else if (string.Equals(val, "空", StringComparison.OrdinalIgnoreCase))
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{
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// Exception: MarkingContent (标刻内容) and Hardness (硬度) should NOT cause line skip
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if (key == null || !(key.StartsWith("MarkingContent", StringComparison.OrdinalIgnoreCase) || key.StartsWith("Hardness", StringComparison.OrdinalIgnoreCase)))
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{
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shouldSkip = true;
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}
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}
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}
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}
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i = j;
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}
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// 2. If line is skipped, just update global index and continue
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if (shouldSkip)
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{
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placeholderIndex += localPlaceholderCount;
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continue;
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}
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// 3. If line matches, render it
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// We re-scan to apply values.
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// Using a temp index starting from where we were
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var sb = new StringBuilder(line.Length + 64);
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int tempIdx = placeholderIndex;
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for (int i = 0; i < line.Length; )
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{
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if (line[i] != '*')
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{
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sb.Append(line[i]);
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i++;
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continue;
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}
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int j = i;
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while (j < line.Length && line[j] == '*') j++;
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if (j - i == 4)
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{
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sb.Append("****");
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i = j;
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continue;
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}
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int runLen = j - i;
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for (int k = 0; k < runLen; k++)
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{
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tempIdx++;
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if (map.TryGetValue(tempIdx, out var key) && getValue != null)
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{
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var v = getValue(key);
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if (!string.IsNullOrWhiteSpace(v))
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{
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// Handle "空" value
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if (string.Equals(v, "空", StringComparison.OrdinalIgnoreCase))
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{
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if (key != null && (key.StartsWith("MarkingContent", StringComparison.OrdinalIgnoreCase) || key.StartsWith("Hardness", StringComparison.OrdinalIgnoreCase)))
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{
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// MarkingContent / Hardness -> render empty string
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if (key.StartsWith("Hardness", StringComparison.OrdinalIgnoreCase))
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{
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int rIdx = sb.Length - 1;
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while (rIdx >= 0 && char.IsWhiteSpace(sb[rIdx]))
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{
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rIdx--;
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}
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if (rIdx >= 0)
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{
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char lc = sb[rIdx];
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if (lc == ',' || lc == '，' || lc == '.' || lc == '。' || lc == ';' || lc == '；' || lc == '、')
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{
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sb.Length = rIdx;
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}
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}
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}
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// (Separators will be cleaned up later)
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}
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else
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{
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// Other keys -> render empty (should imply hidden line,
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// but if we are here, it means some OTHER key prevented hiding?
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// Or this case shouldn't happen if mixed?
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// Assuming if line is not skipped, we treat "空" as empty string.)
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}
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}
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else
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{
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sb.Append(v);
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}
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}
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else
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{
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// Keep * if value is missing/empty (but not "空" which was handled)
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sb.Append('*');
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}
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}
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else
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{
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sb.Append('*');
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}
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}
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i = j;
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}
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var renderedLine = sb.ToString();
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// 3.1 Clean up redundant separators for MarkingContent removal
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// Replace "、、" with "、"
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renderedLine = Regex.Replace(renderedLine, @"、\s*、", "、");
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// Replace "：、" with "：" (start of list)
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renderedLine = Regex.Replace(renderedLine, @"([：:])\s*、", "$1");
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// Replace "、。" with "。" (end of list)
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renderedLine = Regex.Replace(renderedLine, @"、\s*([。.;；])", "$1");
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// Trim trailing "、" if it exists (no period)
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renderedLine = Regex.Replace(renderedLine, @"、\s*$", "");
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resultLines.Add(renderedLine);
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placeholderIndex += localPlaceholderCount;
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}
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// 4. Renumbering Logic
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var renumberRegex = new Regex(@"^(\s*)(\d+)([、\.])");
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int counter = 1;
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for (int i = 0; i < resultLines.Count; i++)
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{
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var match = renumberRegex.Match(resultLines[i]);
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if (match.Success)
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{
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var prefix = match.Groups[1].Value;
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var suffix = match.Groups[3].Value;
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var newLine = prefix + counter + suffix + resultLines[i].Substring(match.Length);
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resultLines[i] = newLine;
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counter++;
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}
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}
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return string.Join("\n", resultLines);
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}
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/// <summary>
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/// When the same ParamKey is bound by multiple placeholders, each placeholder should have its own value key,
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/// otherwise values would overwrite each other.
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/// This method returns an equivalent bindings list where ParamKey is replaced by an effective value key.
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/// </summary>
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public static List<NotePlaceholderBinding> BuildEffectiveValueKeyBindings(IEnumerable<NotePlaceholderBinding> bindings)
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{
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var list = (bindings ?? Enumerable.Empty<NotePlaceholderBinding>())
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.Where(b => b != null && b.Index > 0 && !string.IsNullOrWhiteSpace(b.ParamKey))
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.Select(b => new NotePlaceholderBinding { Index = b.Index, ParamKey = b.ParamKey.Trim() })
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.ToList();
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var dup = list
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.GroupBy(b => b.ParamKey, StringComparer.OrdinalIgnoreCase)
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.ToDictionary(g => g.Key, g => g.Count(), StringComparer.OrdinalIgnoreCase);
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foreach (var b in list)
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{
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if (dup.TryGetValue(b.ParamKey, out var cnt) && cnt > 1)
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{
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b.ParamKey = string.Format("{0}@{1}", b.ParamKey, b.Index);
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}
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}
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return list;
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}
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private static string NormalizeNewLines(string text)
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{
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return (text ?? string.Empty)
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.Replace("\r\n", "\n")
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.Replace("\r", "\n");
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}
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}
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}
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