From 0d45df1ee4ad6062cec2ca101039abc7ac1c804a Mon Sep 17 00:00:00 2001
From: Valery Buchinsky <djmute@abv.bg>
Date: Mon, 13 Nov 2023 10:57:28 +0200
Subject: [PATCH] =?UTF-8?q?=F0=9F=92=A9=20Should=20I=20parse=20dictionarie?=
 =?UTF-8?q?s=3F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 packages/placeholder-plain/src/getValue.js     | 12 ++++++++++++
 packages/placeholder-plain/src/readRefTable.js | 12 ++++++++++++
 2 files changed, 24 insertions(+)

diff --git a/packages/placeholder-plain/src/getValue.js b/packages/placeholder-plain/src/getValue.js
index 801b7b9d..2c637281 100644
--- a/packages/placeholder-plain/src/getValue.js
+++ b/packages/placeholder-plain/src/getValue.js
@@ -2,6 +2,18 @@
  * @param {Buffer} trailer
  * @param {string} key
  * @returns {string}
+ *
+ * FIXME:
+ * 0 00 000 Null (NUL)
+ * 9 09 011 Tab (HT)
+ * 10 0A 012 Line feed (LF)
+ * 12 0C 014 Form feed (FF)
+ * 13 0D 015 Carriage return (CR)
+ * 32 20 040 Space (SP)
+ *
+ * The delimiter characters (, ), <, >, [, ], {, }, /, and %
+ *
+ * ^ All are terminators
  */
 export const getValue = (trailer, key) => {
     let index = trailer.indexOf(key);
diff --git a/packages/placeholder-plain/src/readRefTable.js b/packages/placeholder-plain/src/readRefTable.js
index 6fcea5a7..577a21bc 100644
--- a/packages/placeholder-plain/src/readRefTable.js
+++ b/packages/placeholder-plain/src/readRefTable.js
@@ -1,6 +1,7 @@
 import {SignPdfError} from '@signpdf/utils';
 import xrefToRefMap from './xrefToRefMap';
 import {findObjectAt} from './findObject';
+// import {getValue} from './getValue';
 
 /**
  * @param {Buffer} pdf
@@ -93,6 +94,17 @@ const readXrefTableAt = (pdfSlice, position) => {
 const readXrefStreamAt = (pdfSlice, position) => {
     const {dictionary: _d, stream: _s} = findObjectAt(pdfSlice, position);
 
+    // const parsed = {
+    //     size: getValue(_d, '/Size'),
+    //     root: getValue(_d, '/Root'),
+    //     info: getValue(_d, '/Info'),
+    //     filter: getValue(_d, '/Filter'),
+    //     length: getValue(_d, '/Length'),
+    // };
+
+    // console.log(_d.toString(), parsed);
+    // console.log(zlib.deflateSync(stream));
+
     throw new SignPdfError(
         'Cross-Reference Streams not yet implemented.',
         SignPdfError.TYPE_PARSE,