369 lines
10 KiB
JavaScript
369 lines
10 KiB
JavaScript
import jsyaml from '../../../libs/js-yaml.mjs';
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/**
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* Robust <state> block matcher (no regex)
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* - Pairs each </state> with the nearest preceding <state ...>
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* - Ignores unclosed <state>
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*/
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function isValidOpenTagAt(s, i) {
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if (s[i] !== '<') return false;
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const head = s.slice(i, i + 6).toLowerCase();
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if (head !== '<state') return false;
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const next = s[i + 6] ?? '';
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if (next && !(next === '>' || next === '/' || /\s/.test(next))) return false;
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return true;
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}
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function isValidCloseTagAt(s, i) {
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if (s[i] !== '<') return false;
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if (s[i + 1] !== '/') return false;
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const head = s.slice(i, i + 7).toLowerCase();
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if (head !== '</state') return false;
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let j = i + 7;
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while (j < s.length && /\s/.test(s[j])) j++;
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return s[j] === '>';
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}
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function findTagEnd(s, openIndex) {
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const end = s.indexOf('>', openIndex);
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return end === -1 ? -1 : end;
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}
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function findStateBlockSpans(text) {
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const s = String(text ?? '');
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const closes = [];
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for (let i = 0; i < s.length; i++) {
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if (s[i] !== '<') continue;
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if (isValidCloseTagAt(s, i)) closes.push(i);
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}
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if (!closes.length) return [];
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const spans = [];
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let searchEnd = s.length;
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for (let cIdx = closes.length - 1; cIdx >= 0; cIdx--) {
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const closeStart = closes[cIdx];
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if (closeStart >= searchEnd) continue;
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let closeEnd = closeStart + 7;
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while (closeEnd < s.length && s[closeEnd] !== '>') closeEnd++;
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if (s[closeEnd] !== '>') continue;
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closeEnd += 1;
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let openStart = -1;
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for (let i = closeStart - 1; i >= 0; i--) {
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if (s[i] !== '<') continue;
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if (!isValidOpenTagAt(s, i)) continue;
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const tagEnd = findTagEnd(s, i);
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if (tagEnd === -1) continue;
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if (tagEnd >= closeStart) continue;
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openStart = i;
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break;
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}
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if (openStart === -1) continue;
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const openTagEnd = findTagEnd(s, openStart);
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if (openTagEnd === -1) continue;
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spans.push({
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openStart,
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openTagEnd: openTagEnd + 1,
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closeStart,
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closeEnd,
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});
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searchEnd = openStart;
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}
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spans.reverse();
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return spans;
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}
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export function extractStateBlocks(text) {
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const s = String(text ?? '');
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const spans = findStateBlockSpans(s);
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const out = [];
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for (const sp of spans) {
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const inner = s.slice(sp.openTagEnd, sp.closeStart);
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if (inner.trim()) out.push(inner);
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}
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return out;
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}
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export function computeStateSignature(text) {
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const s = String(text ?? '');
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const spans = findStateBlockSpans(s);
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if (!spans.length) return '';
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const chunks = spans.map(sp => s.slice(sp.openStart, sp.closeEnd).trim());
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return chunks.join('\n---\n');
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}
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export function parseStateBlock(content) {
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const lines = String(content ?? '').split(/\r?\n/);
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const rules = [];
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const dataLines = [];
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let inSchema = false;
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let schemaPath = '';
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let schemaLines = [];
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let schemaBaseIndent = -1;
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const flushSchema = () => {
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if (schemaLines.length) {
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const parsed = parseSchemaBlock(schemaPath, schemaLines);
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rules.push(...parsed);
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}
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inSchema = false;
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schemaPath = '';
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schemaLines = [];
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schemaBaseIndent = -1;
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};
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for (let i = 0; i < lines.length; i++) {
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const raw = lines[i];
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const trimmed = raw.trim();
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const indent = raw.search(/\S/);
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if (!trimmed || trimmed.startsWith('#')) {
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if (inSchema && schemaBaseIndent >= 0) schemaLines.push(raw);
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continue;
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}
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// $schema 开始
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if (trimmed.startsWith('$schema')) {
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flushSchema();
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const rest = trimmed.slice(7).trim();
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schemaPath = rest || '';
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inSchema = true;
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schemaBaseIndent = -1;
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continue;
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}
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if (inSchema) {
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if (schemaBaseIndent < 0) {
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schemaBaseIndent = indent;
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}
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// 缩进回退 => schema 结束
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if (indent < schemaBaseIndent && indent >= 0 && trimmed) {
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flushSchema();
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i--;
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continue;
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}
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schemaLines.push(raw);
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continue;
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}
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// 普通 $rule（$ro, $range, $step, $enum）
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if (trimmed.startsWith('$')) {
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const parsed = parseRuleLine(trimmed);
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if (parsed) rules.push(parsed);
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continue;
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}
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dataLines.push(raw);
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}
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flushSchema();
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const ops = parseDataLines(dataLines);
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return { rules, ops };
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}
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/**
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* 解析数据行
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*/
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function stripYamlInlineComment(s) {
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const text = String(s ?? '');
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if (!text) return '';
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let inSingle = false;
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let inDouble = false;
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let escaped = false;
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for (let i = 0; i < text.length; i++) {
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const ch = text[i];
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if (inSingle) {
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if (ch === "'") {
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if (text[i + 1] === "'") { i++; continue; }
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inSingle = false;
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}
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continue;
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}
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if (inDouble) {
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if (escaped) { escaped = false; continue; }
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if (ch === '\\') { escaped = true; continue; }
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if (ch === '"') inDouble = false;
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continue;
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}
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if (ch === "'") { inSingle = true; continue; }
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if (ch === '"') { inDouble = true; continue; }
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if (ch === '#') {
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const prev = i > 0 ? text[i - 1] : '';
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if (i === 0 || /\s/.test(prev)) {
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return text.slice(0, i).trimEnd();
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}
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}
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}
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return text.trimEnd();
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}
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function parseDataLines(lines) {
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const results = [];
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let pendingPath = null;
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let pendingLines = [];
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const flushPending = () => {
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if (!pendingPath) return;
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if (!pendingLines.length) {
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results.push({ path: pendingPath, op: 'set', value: '' });
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pendingPath = null;
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pendingLines = [];
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return;
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}
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try {
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const nonEmpty = pendingLines.filter(l => l.trim());
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const minIndent = nonEmpty.length
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? Math.min(...nonEmpty.map(l => l.search(/\S/)))
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: 0;
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const yamlText = pendingLines
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.map(l => (l.trim() ? l.slice(minIndent) : ''))
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.join('\n');
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const obj = jsyaml.load(yamlText);
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results.push({ path: pendingPath, op: 'set', value: obj });
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} catch (e) {
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results.push({ path: pendingPath, op: 'set', value: null, warning: `YAML 解析失败: ${e.message}` });
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} finally {
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pendingPath = null;
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pendingLines = [];
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}
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};
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for (const raw of lines) {
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const trimmed = raw.trim();
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if (!trimmed || trimmed.startsWith('#')) continue;
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const indent = raw.search(/\S/);
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if (indent === 0) {
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flushPending();
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const colonIdx = findTopLevelColon(trimmed);
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if (colonIdx === -1) continue;
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const path = trimmed.slice(0, colonIdx).trim();
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let rhs = trimmed.slice(colonIdx + 1).trim();
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rhs = stripYamlInlineComment(rhs);
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if (!path) continue;
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if (!rhs) {
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pendingPath = path;
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pendingLines = [];
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} else {
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results.push({ path, ...parseInlineValue(rhs) });
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}
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} else if (pendingPath) {
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pendingLines.push(raw);
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}
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}
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flushPending();
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return results;
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}
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function findTopLevelColon(line) {
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let inQuote = false;
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let q = '';
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let esc = false;
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for (let i = 0; i < line.length; i++) {
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const ch = line[i];
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if (esc) { esc = false; continue; }
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if (ch === '\\') { esc = true; continue; }
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if (!inQuote && (ch === '"' || ch === "'")) { inQuote = true; q = ch; continue; }
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if (inQuote && ch === q) { inQuote = false; q = ''; continue; }
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if (!inQuote && ch === ':') return i;
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}
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return -1;
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}
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function unescapeString(s) {
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return String(s ?? '')
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.replace(/\\n/g, '\n')
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.replace(/\\t/g, '\t')
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.replace(/\\r/g, '\r')
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.replace(/\\"/g, '"')
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.replace(/\\'/g, "'")
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.replace(/\\\\/g, '\\');
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}
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export function parseInlineValue(raw) {
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const t = String(raw ?? '').trim();
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if (t === 'null') return { op: 'del' };
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const parenNum = t.match(/^\((-?\d+(?:\.\d+)?)\)$/);
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if (parenNum) return { op: 'set', value: Number(parenNum[1]) };
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if (/^\+\d/.test(t) || /^-\d/.test(t)) {
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const n = Number(t);
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if (Number.isFinite(n)) return { op: 'inc', delta: n };
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}
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const pushD = t.match(/^\+"((?:[^"\\]|\\.)*)"\s*$/);
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if (pushD) return { op: 'push', value: unescapeString(pushD[1]) };
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const pushS = t.match(/^\+'((?:[^'\\]|\\.)*)'\s*$/);
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if (pushS) return { op: 'push', value: unescapeString(pushS[1]) };
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if (t.startsWith('+[')) {
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try {
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const arr = JSON.parse(t.slice(1));
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if (Array.isArray(arr)) return { op: 'push', value: arr };
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} catch {}
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return { op: 'set', value: t, warning: '+[] 解析失败' };
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}
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const popD = t.match(/^-"((?:[^"\\]|\\.)*)"\s*$/);
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if (popD) return { op: 'pop', value: unescapeString(popD[1]) };
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const popS = t.match(/^-'((?:[^'\\]|\\.)*)'\s*$/);
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if (popS) return { op: 'pop', value: unescapeString(popS[1]) };
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if (t.startsWith('-[')) {
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try {
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const arr = JSON.parse(t.slice(1));
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if (Array.isArray(arr)) return { op: 'pop', value: arr };
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} catch {}
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return { op: 'set', value: t, warning: '-[] 解析失败' };
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}
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if (/^-?\d+(?:\.\d+)?$/.test(t)) return { op: 'set', value: Number(t) };
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const strD = t.match(/^"((?:[^"\\]|\\.)*)"\s*$/);
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if (strD) return { op: 'set', value: unescapeString(strD[1]) };
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const strS = t.match(/^'((?:[^'\\]|\\.)*)'\s*$/);
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if (strS) return { op: 'set', value: unescapeString(strS[1]) };
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if (t === 'true') return { op: 'set', value: true };
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if (t === 'false') return { op: 'set', value: false };
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if (t.startsWith('{') || t.startsWith('[')) {
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try { return { op: 'set', value: JSON.parse(t) }; }
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catch { return { op: 'set', value: t, warning: 'JSON 解析失败' }; }
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}
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return { op: 'set', value: t };
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}
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