Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | /** * 小节解析器 * 容错解析LLM返回的小节大纲JSON */ export function parseSubsections(jsonStr: string): { subsections: any[] } | null { if (!jsonStr || typeof jsonStr !== 'string') { console.error('[SubsectionParser] 输入为空或非字符串'); return null; } try { let data: any; let cleanedStr = jsonStr.trim(); // 调试:打印前80个字符 console.log('[SubsectionParser] 原始前80字符:', JSON.stringify(cleanedStr.substring(0, 80))); // 清理 JSON 字符串中的非法控制字符 cleanedStr = cleanedStr.replace(/[\x00-\x1F\x7F]/g, (char) => { // 将控制字符替换为空格(换行符会导致JSON解析失败) return ' '; }); // 移除 markdown 代码块标记 cleanedStr = cleanedStr.replace(/```json\s*/gi, '').replace(/```\s*/g, '').trim(); // 移除思考标签 cleanedStr = cleanedStr.replace(/^[\s\S]*?<blockquote>\s*[\s\S]*?<\/blockquote>\s*/, ''); // 如果以 开头,说明思考标签在JSON之前,需要移除 // 修复:</think>是结束标签,</think>是开始标签 const thinkEndIdx = cleanedStr.indexOf('</think>'); if (thinkEndIdx !== -1) { cleanedStr = cleanedStr.substring(thinkEndIdx + 8).trim(); } console.log('[SubsectionParser] 处理后前100字符:', JSON.stringify(cleanedStr.substring(0, 100))); try { data = JSON.parse(cleanedStr); } catch { // 使用括号计数法提取JSON对象 const firstBrace = cleanedStr.indexOf('{'); if (firstBrace === -1) { console.error('[SubsectionParser] 未找到 JSON 对象'); return null; } let jsonCandidate = ''; let depth = 0; let started = false; for (let i = firstBrace; i < cleanedStr.length; i++) { const ch = cleanedStr[i]; if (ch === '{') { depth++; started = true; } else if (ch === '}') { depth--; } if (started) jsonCandidate += ch; if (started && depth === 0) break; } if (!jsonCandidate) { console.error('[SubsectionParser] JSON 对象提取失败'); return null; } try { data = JSON.parse(jsonCandidate); } catch (parseErr) { console.error('[SubsectionParser] JSON 解析失败:', parseErr); return null; } } if (!data || typeof data !== 'object') { console.error('[SubsectionParser] 解析结果非对象'); return null; } // 兼容:如果顶层就是数组 if (Array.isArray(data)) { data = { subsections: data }; } // 兼容多种字段名:subsections, Subsections, subsection_list 等 let subsectionsArray = data.subsections || data.Subsections || data.subsection_list || data.section_subsections; if (!Array.isArray(subsectionsArray)) { console.error('[SubsectionParser] subsections 字段缺失或非数组'); return null; } return { subsections: subsectionsArray.map((s: any, i: number) => ({ number: s.number || i + 1, title: s.title || `第${i + 1}小节`, summary: typeof s.summary === 'string' ? s.summary : '', keyPoints: Array.isArray(s.keyPoints) ? s.keyPoints : [], estimatedWords: typeof s.estimatedWords === 'number' ? s.estimatedWords : 500, })), }; } catch (err) { console.error('[SubsectionParser] 未知错误:', err); return null; } } |