1 files changed, 122 insertions, 0 deletions
diff --git a/nuldoc-src/slide/slide.ts b/nuldoc-src/slide/slide.ts
new file mode 100644
index 0000000..859bd56
--- /dev/null
+++ b/nuldoc-src/slide/slide.ts
@@ -0,0 +1,122 @@
+import { Config } from "../config.ts";
+import { SlideError } from "../errors.ts";
+import { Revision } from "../revision.ts";
+import {
+  Element,
+  findChildElements,
+  findFirstChildElement,
+  innerText,
+} from "../dom.ts";
+
+export type Slide = {
+  sourceFilePath: string;
+  title: string;
+  event: string;
+  talkType: string;
+  slideLink: string;
+  tags: string[];
+  revisions: Revision[];
+};
+
+export function createNewSlideFromRootElement(
+  root: Element,
+  sourceFilePath: string,
+  _config: Config,
+): Slide {
+  const slide = findFirstChildElement(root, "slide");
+  if (!slide) {
+    throw new SlideError(
+      `[slide.new] <slide> element not found`,
+    );
+  }
+  const info = findFirstChildElement(slide, "info");
+  if (!info) {
+    throw new SlideError(
+      `[slide.new] <info> element not found`,
+    );
+  }
+
+  const titleElement = findFirstChildElement(info, "title");
+  if (!titleElement) {
+    throw new SlideError(
+      `[slide.new] <title> element not found`,
+    );
+  }
+  const title = innerText(titleElement).trim();
+
+  const eventElement = findFirstChildElement(info, "event");
+  if (!eventElement) {
+    throw new SlideError(
+      `[slide.new] <event> element not found`,
+    );
+  }
+  const event = innerText(eventElement).trim();
+
+  const talkTypeElement = findFirstChildElement(info, "talktype");
+  if (!talkTypeElement) {
+    throw new SlideError(
+      `[slide.new] <talktype> element not found`,
+    );
+  }
+  const talkType = innerText(talkTypeElement).trim();
+
+  const slideLinkElement = findFirstChildElement(info, "link");
+  if (!slideLinkElement) {
+    throw new SlideError(
+      `[slide.new] <link> element not found`,
+    );
+  }
+  const slideLink = innerText(slideLinkElement).trim();
+
+  const keywordsetElement = findFirstChildElement(info, "keywordset");
+  let tags: string[];
+  if (!keywordsetElement) {
+    tags = [];
+  } else {
+    tags = findChildElements(keywordsetElement, "keyword").map((x) =>
+      innerText(x).trim()
+    );
+  }
+  const revhistoryElement = findFirstChildElement(info, "revhistory");
+  if (!revhistoryElement) {
+    throw new SlideError(
+      `[slide.new] <revhistory> element not found`,
+    );
+  }
+  const revisions = findChildElements(revhistoryElement, "revision").map(
+    (x, i) => {
+      const dateElement = findFirstChildElement(x, "date");
+      if (!dateElement) {
+        throw new SlideError(
+          `[slide.new] <date> element not found`,
+        );
+      }
+      const revremarkElement = findFirstChildElement(x, "revremark");
+      if (!revremarkElement) {
+        throw new SlideError(
+          `[slide.new] <revremark> element not found`,
+        );
+      }
+      return {
+        number: i + 1,
+        date: innerText(dateElement).trim(),
+        remark: innerText(revremarkElement).trim(),
+      };
+    },
+  );
+  if (revisions.length === 0) {
+    throw new SlideError(
+      `[slide.new] <revision> element not found`,
+    );
+  }
+
+  return {
+    sourceFilePath: sourceFilePath,
+    title: title,
+    event: event,
+    talkType: talkType,
+    slideLink: slideLink,
+    tags: tags,
+    revisions: revisions,
+  };
+}