8 changed files with 526 additions and 406 deletions
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import 'package:win_text_editor/app/providers/logger.dart'; |
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class _CellMatch { |
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final String cellText; |
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final int matchLength; |
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_CellMatch(this.cellText, this.matchLength); |
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} |
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class _TableData { |
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final String header; |
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final List<String> content; |
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final int year; |
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final String month; |
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_TableData(this.header, this.content, this.year, this.month); |
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} |
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class ContentDealService { |
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static const String _logTag = 'ContentDealService'; |
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static const int _maxDisplayLines = 100; |
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// Content classification identifiers |
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static const String rawTextSection = '原始文本'; |
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static const String processedTextSection = '处理后文本'; |
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static const Map<String, String> _headerCharMap = { |
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'A': '日', |
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'B': '月', |
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'C': '水', |
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'D': '金', |
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'E': '火', |
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'F': '木', |
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'G': '土', |
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'O': '天', |
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'I': '海', |
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'J': '冥', |
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'L': '南', |
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'K': '北', |
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'M': '孛', |
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'N': '凯', |
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}; |
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Map<String, String> processPdfContent(String allText) { |
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// Process raw text display |
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final rawLines = allText.split('\n'); |
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final rawContent = |
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rawLines.length > _maxDisplayLines |
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? '${rawLines.take(_maxDisplayLines).join('\n')}\n<<<剩余内容未显示>>>' |
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: allText; |
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// Extract and process all tables with their dates |
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final tables = _extractTablesWithDates(allText); |
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final processedTables = tables |
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.map((table) { |
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return _processTable(table.content, table.year, table.month); |
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}) |
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.where((table) => table.isNotEmpty) |
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.join('\n'); // 过滤空表并直接连接，不再添加额外空行 |
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// Limit processed content display |
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final processedLines = processedTables.split('\n'); |
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final limitedProcessedContent = |
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processedLines.length > _maxDisplayLines |
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? '${processedLines.take(_maxDisplayLines).join('\n')}\n<<<剩余内容未显示>>>' |
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: processedTables; |
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return { |
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ContentDealService.rawTextSection: rawContent, |
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ContentDealService.processedTextSection: limitedProcessedContent, |
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}; |
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} |
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List<_TableData> _extractTablesWithDates(String rawText) { |
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final lines = rawText.split('\n'); |
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final tables = <_TableData>[]; |
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List<String>? currentTable; |
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String? currentHeader; |
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int currentYear = 0; |
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String currentMonth = ''; |
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for (final line in lines) { |
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// Check for new table header |
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final dateMatch = RegExp(r'^([A-Z]+)\s+(\d{4})\s+00:00 UT').firstMatch(line); |
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if (dateMatch != null) { |
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// Save previous table if exists |
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if (currentTable != null && currentTable.isNotEmpty) { |
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tables.add(_TableData(currentHeader ?? '', currentTable, currentYear, currentMonth)); |
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} |
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// Start new table |
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currentYear = int.parse(dateMatch.group(2)!); |
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currentMonth = dateMatch.group(1)!; |
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currentHeader = line; |
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currentTable = []; |
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continue; |
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} |
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// Check for table end |
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if (line.contains('Delta T =') && currentTable != null) { |
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tables.add(_TableData(currentHeader ?? '', currentTable, currentYear, currentMonth)); |
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currentTable = null; |
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continue; |
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} |
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// Add to current table if exists |
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if (currentTable != null) { |
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currentTable.add(line); |
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} |
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} |
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// Add last table if exists |
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if (currentTable != null && currentTable.isNotEmpty) { |
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tables.add(_TableData(currentHeader ?? '', currentTable, currentYear, currentMonth)); |
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} |
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return tables.where((table) => table.content.isNotEmpty).toList(); // 过滤掉空表 |
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} |
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String _processTable(List<String> tableLines, int year, String month) { |
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final buffer = StringBuffer(); |
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bool foundHeader = false; |
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int weekDayIndex = 0; |
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final weekDays = ['M', 'T', 'W', 'T', 'F', 'S', 'S']; |
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final monthNum = _getMonthNumber(month); |
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for (final line in tableLines) { |
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if (line.trim().isEmpty) continue; |
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// 特殊处理表头行 |
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if (line.contains('Day Sid.t A B C D E F G O I J L K M N Day')) { |
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foundHeader = true; |
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// 将表头按空格分割 |
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var headerCells = line.trim().split(RegExp(r'\s+')); |
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// 替换字母为中文并移除最后一列 |
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headerCells = |
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headerCells |
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.take(headerCells.length - 1) // 移除最后一列Day |
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.map( |
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(cell) => |
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cell.length == 1 && _headerCharMap.containsKey(cell) |
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? _headerCharMap[cell]! |
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: cell, |
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) |
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.toList(); |
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// 在开头只插入日期列，将Day改为Week |
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headerCells[0] = 'Week'; // 将Day改为Week |
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headerCells.insert(0, '日期'); |
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buffer.writeln(headerCells.join(',')); |
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continue; |
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} |
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if (!foundHeader) continue; |
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// 数据行处理 |
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final dayMatch = RegExp(r'^([A-Z])\s*\d+').firstMatch(line.trim()); |
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if (dayMatch != null) { |
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final weekday = dayMatch.group(1)!; // 只提取星期字母 |
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// 生成日期 (YYYYMMDD) |
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final dateStr = |
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(year > 0 && monthNum > 0 && dayMatch.group(2) != null) |
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? '${year}${monthNum.toString().padLeft(2, '0')}${dayMatch.group(2)!.padLeft(2, '0')}' |
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: ''; |
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// 使用原有的_parseNormalLine方法处理数据行（修改为只保留星期字母） |
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final csvLine = _parseNormalLine(line, weekday); // 直接传入星期字母 |
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// 写入完整行（只添加日期列，不添加月份列） |
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buffer.write('$dateStr,'); // 只有日期列 |
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buffer.writeln(csvLine); |
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weekDayIndex++; |
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} |
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} |
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return buffer.toString().trim(); |
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} |
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// 恢复原有的_parseNormalLine方法（保持原有单元格解析逻辑） |
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String _parseNormalLine(String line, String weekDay) { |
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final cells = <String>[]; |
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var remainingLine = line.trim(); |
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// 1. 处理第一单元格（星期+日期） |
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var firstCellMatch = RegExp(r'^([A-Za-z]\d{1,2})\b').firstMatch(remainingLine); |
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if (firstCellMatch == null) { |
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firstCellMatch = RegExp(r'^([A-Za-z])\s*(\d{1,2})\b').firstMatch(remainingLine); |
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if (firstCellMatch != null) { |
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final mergedCell = '${firstCellMatch.group(1)}${firstCellMatch.group(2)}'; |
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cells.add(mergedCell); |
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remainingLine = remainingLine.substring(firstCellMatch.end).trim(); |
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} else { |
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cells.add(weekDay); |
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} |
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} else { |
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cells.add('$weekDay${firstCellMatch.group(1)!.substring(1)}'); |
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remainingLine = remainingLine.substring(firstCellMatch.end).trim(); |
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} |
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// 2. 处理第二单元格（三组数字） |
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final secondCell = _parseThreeNumbersCell(remainingLine); |
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if (secondCell != null) { |
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cells.add(secondCell); |
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remainingLine = remainingLine.substring(secondCell.length).trim(); |
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} |
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// 3. 处理第三单元格（三组符号） |
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final thirdCell = _parseThreeSymbolsCell(remainingLine); |
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if (thirdCell != null) { |
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cells.add(_replaceZodiacLetters(thirdCell)); |
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remainingLine = remainingLine.substring(thirdCell.length).trim(); |
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} |
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// 4. 处理剩余单元格 |
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int columnNumber = 4; |
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while (remainingLine.isNotEmpty && columnNumber++ <= 16) { |
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final match = _parseTwoSymbolsCell(remainingLine); |
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if (match == null) { |
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Logger().error( |
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'[$_logTag] Failed to match cells, remaining: "$remainingLine"', |
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source: _logTag, |
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); |
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break; |
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} |
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cells.add(_replaceZodiacLetters(match.cellText)); |
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remainingLine = remainingLine.substring(match.matchLength).trim(); |
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} |
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return cells.join(','); |
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} |
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int _getMonthNumber(String month) { |
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const monthMap = { |
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'JANUARY': 1, |
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'FEBRUARY': 2, |
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'MARCH': 3, |
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'APRIL': 4, |
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'MAY': 5, |
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'JUNE': 6, |
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'JULY': 7, |
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'AUGUST': 8, |
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'SEPTEMBER': 9, |
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'OCTOBER': 10, |
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'NOVEMBER': 11, |
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'DECEMBER': 12, |
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}; |
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return monthMap[month] ?? 0; |
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} |
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String? _parseThreeNumbersCell(String input) { |
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final match = RegExp(r'^(\d+\s+\d+\s+\d+)').firstMatch(input); |
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return match?.group(0); |
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} |
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String? _parseThreeSymbolsCell(String input) { |
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final match = RegExp(r'^(\d+[^\d\s]\s*\d+[^\d\s]\s*\d+)').firstMatch(input); |
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return match?.group(0); |
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} |
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_CellMatch? _parseTwoSymbolsCell(String input) { |
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var match = RegExp(r'^(\d+[^\d\s]{1,2})\s+(\d+)').firstMatch(input); |
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if (match != null) { |
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final fullText = match.group(0)!; |
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final cellText = '${match.group(1)}${match.group(2)}'; |
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return _CellMatch(cellText, fullText.length); |
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} |
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match = RegExp(r'^(\d+[^\d\s]{1,2}\s*\d+)').firstMatch(input); |
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if (match != null) { |
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return _CellMatch(match.group(0)!, match.group(0)!.length); |
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} |
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match = RegExp(r'^(\d+[^\d\s]{1,2})').firstMatch(input); |
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if (match != null) { |
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return _CellMatch(match.group(0)!, match.group(0)!.length); |
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} |
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return null; |
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} |
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String _replaceZodiacLetters(String text) { |
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const replacementMap = { |
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'a': '戌', //'羊', |
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'b': '酉', //'牛', |
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'c': '申', //'子', |
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'd': '未', //'蟹', |
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'e': '午', //'狮', |
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'f': '巳', //'女', |
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'g': '辰', //'秤', |
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'h': '卯', //'蝎', |
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'i': '寅', //'射', |
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'j': '丑', //'羯', |
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'k': '子', //'水', |
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'l': '亥', //'鱼', |
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}; |
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return text.split('').map((char) => replacementMap[char] ?? char).join(''); |
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} |
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} |
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