1 files changed, 0 insertions, 319 deletions
diff --git a/vhosts/blog/nuldoc-src/docbook/to_html.ts b/vhosts/blog/nuldoc-src/docbook/to_html.ts
deleted file mode 100644
index 4add912c..00000000
--- a/vhosts/blog/nuldoc-src/docbook/to_html.ts
+++ /dev/null
@@ -1,319 +0,0 @@
-// @deno-types="../types/highlight-js.d.ts"
-import hljs from "npm:highlight.js";
-import { Document } from "./document.ts";
-import { DocBookError } from "../errors.ts";
-import {
-  addClass,
-  Element,
-  findFirstChildElement,
-  forEachChild,
-  forEachChildRecursively,
-  Node,
-  RawHTML,
-  removeChildElements,
-  Text,
-} from "../dom.ts";
-
-export default function toHtml(doc: Document): Document {
-  removeArticleInfo(doc);
-  removeArticleAttributes(doc);
-  removeUnnecessaryTextNode(doc);
-  transformElementNames(doc, "emphasis", "em");
-  transformElementNames(doc, "informaltable", "table");
-  transformElementNames(doc, "itemizedlist", "ul");
-  transformElementNames(doc, "link", "a");
-  transformElementNames(doc, "listitem", "li");
-  transformElementNames(doc, "literal", "code");
-  transformElementNames(doc, "orderedlist", "ol");
-  transformElementNames(doc, "para", "p");
-  transformElementNames(doc, "superscript", "sup");
-  transformAttributeNames(doc, "xml:id", "id");
-  transformAttributeNames(doc, "xl:href", "href");
-  transformSectionIdAttribute(doc);
-  setSectionTitleAnchor(doc);
-  transformSectionTitleElement(doc);
-  transformProgramListingElement(doc);
-  transformLiteralLayoutElement(doc);
-  transformNoteElement(doc);
-  setDefaultLangAttribute(doc);
-  traverseFootnotes(doc);
-  highlightPrograms(doc);
-  return doc;
-}
-
-function removeArticleInfo(doc: Document) {
-  const article = findFirstChildElement(doc.root, "article");
-  if (!article) {
-    throw new DocBookError(
-      `[docbook.tohtml] <article> element not found`,
-    );
-  }
-  removeChildElements(article, "info");
-}
-
-function removeArticleAttributes(doc: Document) {
-  const article = findFirstChildElement(doc.root, "article");
-  if (!article) {
-    throw new DocBookError(
-      `[docbook.tohtml] <article> element not found`,
-    );
-  }
-  article.attributes.delete("xmlns");
-  article.attributes.delete("xmlns:xl");
-  article.attributes.delete("version");
-}
-
-function removeUnnecessaryTextNode(doc: Document) {
-  const g = (n: Node) => {
-    if (n.kind !== "element") {
-      return;
-    }
-
-    let changed = true;
-    while (changed) {
-      changed = false;
-      if (n.children.length === 0) {
-        break;
-      }
-      const firstChild = n.children[0];
-      if (firstChild.kind === "text" && firstChild.content.trim() === "") {
-        n.children.shift();
-        changed = true;
-      }
-      if (n.children.length === 0) {
-        break;
-      }
-      const lastChild = n.children[n.children.length - 1];
-      if (lastChild.kind === "text" && lastChild.content.trim() === "") {
-        n.children.pop();
-        changed = true;
-      }
-    }
-
-    forEachChild(n, g);
-  };
-  forEachChild(doc.root, g);
-}
-
-function transformElementNames(
-  doc: Document,
-  from: string,
-  to: string,
-) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind === "element" && n.name === from) {
-      n.name = to;
-    }
-  });
-}
-
-function transformAttributeNames(
-  doc: Document,
-  from: string,
-  to: string,
-) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element") {
-      return;
-    }
-    const value = n.attributes.get(from) as string;
-    if (value !== undefined) {
-      n.attributes.delete(from);
-      n.attributes.set(to, value);
-    }
-  });
-}
-
-function transformSectionIdAttribute(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "section") {
-      return;
-    }
-
-    const idAttr = n.attributes.get("id");
-    n.attributes.set("id", `section--${idAttr}`);
-  });
-}
-
-function setSectionTitleAnchor(doc: Document) {
-  const sectionStack: Element[] = [];
-  const g = (c: Node) => {
-    if (c.kind !== "element") {
-      return;
-    }
-
-    if (c.name === "section") {
-      sectionStack.push(c);
-    }
-    forEachChild(c, g);
-    if (c.name === "section") {
-      sectionStack.pop();
-    }
-    if (c.name === "title") {
-      const currentSection = sectionStack[sectionStack.length - 1];
-      if (!currentSection) {
-        throw new DocBookError(
-          "[docbook.tohtml] <title> element must be inside <section>",
-        );
-      }
-      const sectionId = currentSection.attributes.get("id");
-      const aElement: Element = {
-        kind: "element",
-        name: "a",
-        attributes: new Map(),
-        children: c.children,
-      };
-      aElement.attributes.set("href", `#${sectionId}`);
-      c.children = [aElement];
-    }
-  };
-  forEachChild(doc.root, g);
-}
-
-function transformSectionTitleElement(doc: Document) {
-  let sectionLevel = 1;
-  const g = (c: Node) => {
-    if (c.kind !== "element") {
-      return;
-    }
-
-    if (c.name === "section") {
-      sectionLevel += 1;
-      c.attributes.set("--section-level", sectionLevel.toString());
-    }
-    forEachChild(c, g);
-    if (c.name === "section") {
-      sectionLevel -= 1;
-    }
-    if (c.name === "title") {
-      c.name = `h${sectionLevel}`;
-    }
-  };
-  forEachChild(doc.root, g);
-}
-
-function transformProgramListingElement(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "programlisting") {
-      return;
-    }
-
-    n.name = "pre";
-    addClass(n, "highlight");
-    const codeElement: Element = {
-      kind: "element",
-      name: "code",
-      attributes: new Map(),
-      children: n.children,
-    };
-    n.children = [codeElement];
-  });
-}
-
-function transformLiteralLayoutElement(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "literallayout") {
-      return;
-    }
-
-    n.name = "pre";
-    addClass(n, "highlight");
-    const codeElement: Element = {
-      kind: "element",
-      name: "code",
-      attributes: new Map(),
-      children: n.children,
-    };
-    n.children = [codeElement];
-  });
-}
-
-function transformNoteElement(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "note") {
-      return;
-    }
-
-    const labelElement: Element = {
-      kind: "element",
-      name: "div",
-      attributes: new Map([["class", "admonition-label"]]),
-      children: [{
-        kind: "text",
-        content: "NOTE",
-        raw: false,
-      }],
-    };
-    const contentElement: Element = {
-      kind: "element",
-      name: "div",
-      attributes: new Map([["class", "admonition-content"]]),
-      children: n.children,
-    };
-    n.name = "div";
-    addClass(n, "admonition");
-    n.children = [
-      labelElement,
-      contentElement,
-    ];
-  });
-}
-
-function setDefaultLangAttribute(_doc: Document) {
-  // TODO
-  // if (!e.attributes.has("lang")) {
-  //   e.attributes.set("lang", "ja-JP");
-  // }
-}
-
-function traverseFootnotes(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "footnote") {
-      return;
-    }
-
-    // TODO
-    // <footnote>x</footnote>
-    //
-    // <sup class="footnote">[<a id="_footnoteref_1" class="footnote" href="#_footnotedef_1">1</a>]</sup>
-    //
-    // <div class="footnote" id="_footnotedef_1">
-    //   <a href="#_footnoteref_1">1</a>. RAS syndrome
-    // </div>
-    n.name = "span";
-    n.children = [];
-  });
-}
-
-function highlightPrograms(doc: Document) {
-  forEachChildRecursively(doc.root, (n) => {
-    if (n.kind !== "element" || n.name !== "pre") {
-      return;
-    }
-    const preClass = n.attributes.get("class") || "";
-    if (!preClass.includes("highlight")) {
-      return;
-    }
-    const codeElement = findFirstChildElement(n, "code");
-    if (!codeElement) {
-      return;
-    }
-    const language = n.attributes.get("language");
-    if (!language) {
-      return;
-    }
-    const sourceCodeNode = codeElement.children[0] as Text | RawHTML;
-    const sourceCode = sourceCodeNode.content;
-
-    if (!hljs.getLanguage(language)) {
-      return;
-    }
-
-    const highlighted =
-      hljs.highlight(sourceCode, { language: language }).value;
-
-    sourceCodeNode.content = highlighted;
-    sourceCodeNode.raw = true;
-    codeElement.attributes.set("class", "highlight");
-  });
-}