80 lines
2.9 KiB
TypeScript
80 lines
2.9 KiB
TypeScript
/**
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* 解析层（XML → 画布 HTML）单测的共享脚手架。
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*
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* 这一层是纯函数管线：txBody XML → parseTextBody → renderTextBody → HTML 字符串。
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* helper 负责两件事：
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* 1) 把一段 OOXML 文本片段包成带命名空间的 <p:txBody> 再解析成 TextBody；
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* 2) 造一个 renderTextBody 够用的最小 RenderContext（master/layout/theme 全给空兜底）。
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*/
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import { parseXml, SafeXmlNode } from '../src/parser/XmlParser';
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import { parseTextBody, type TextBody } from '../src/model/nodes/ShapeNode';
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import { renderTextBody, type RenderTextBodyOptions } from '../src/serializer/textSerializer';
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import type { RenderContext } from '../src/serializer/RenderContext';
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import type { PlaceholderInfo } from '../src/model/nodes/BaseNode';
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const OOXML_NS =
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'xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" ' +
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'xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main"';
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/**
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* 把 txBody 内部 XML（bodyPr / lstStyle / 若干 a:p）包成完整 <p:txBody> 并解析。
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* 直接传 `<a:p>…</a:p>` 即可，命名空间由这里统一注入。
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*/
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export function parseTxBody(innerXml: string): TextBody {
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const node = parseXml(`<p:txBody ${OOXML_NS}>${innerXml}</p:txBody>`);
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const tb = parseTextBody(node);
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if (!tb) throw new Error('parseTextBody 返回空——检查 txBody XML 是否合法');
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return tb;
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}
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/**
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* renderTextBody 够用的最小 RenderContext。只填序列化器真正会读的字段，
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* 其余用空 Map / 空节点兜底（createRenderContext 的默认值同款）。
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*/
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export function minimalCtx(overrides: Partial<RenderContext> = {}): RenderContext {
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const empty = new SafeXmlNode(null);
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const ctx = {
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presentation: {} as RenderContext['presentation'],
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slide: { index: 0, rels: new Map() } as unknown as RenderContext['slide'],
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theme: {
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colorScheme: new Map(),
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majorFont: { latin: '', ea: '', cs: '', hans: '' },
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minorFont: { latin: '', ea: '', cs: '', hans: '' },
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fillStyles: [],
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lineStyles: [],
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effectStyles: [],
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} as unknown as RenderContext['theme'],
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master: {
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defaultTextStyle: empty,
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textStyles: {},
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placeholders: [],
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colorMap: new Map(),
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spTree: empty,
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rels: new Map(),
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} as unknown as RenderContext['master'],
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layout: {
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placeholders: [],
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spTree: empty,
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rels: new Map(),
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showMasterSp: true,
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} as unknown as RenderContext['layout'],
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layoutPath: '',
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masterPath: '',
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mediaUrlCache: new Map(),
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colorCache: new Map(),
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mediaMode: 'base64' as const,
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...overrides,
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};
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return ctx as RenderContext;
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}
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/** 一步到位：文本片段 XML → 渲染出的 HTML 字符串。 */
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export function renderTxBodyHtml(
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innerXml: string,
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placeholder?: PlaceholderInfo,
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options?: RenderTextBodyOptions,
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): string {
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return renderTextBody(parseTxBody(innerXml), placeholder, minimalCtx(), options);
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}
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