From c535aa0ee7220c26735e75df55371904b9be1356 Mon Sep 17 00:00:00 2001
From: huangzt <656580520@qq.com>
Date: Thu, 5 Feb 2026 10:51:06 +0800
Subject: [PATCH] feat:

- Add NONE_QUOTE constant in CsvConstant.
- Add Javadoc to CsvReaderBuilder#quote(Character quote) for NONE_QUOTE usage
---
 .../org/apache/fesod/sheet/metadata/csv/CsvConstant.java    | 6 ++++++
 .../apache/fesod/sheet/read/builder/CsvReaderBuilder.java   | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/fesod-sheet/src/main/java/org/apache/fesod/sheet/metadata/csv/CsvConstant.java b/fesod-sheet/src/main/java/org/apache/fesod/sheet/metadata/csv/CsvConstant.java
index 35c228b8c..a8f0a9cdc 100644
--- a/fesod-sheet/src/main/java/org/apache/fesod/sheet/metadata/csv/CsvConstant.java
+++ b/fesod-sheet/src/main/java/org/apache/fesod/sheet/metadata/csv/CsvConstant.java
@@ -33,6 +33,12 @@ public class CsvConstant {
     public static final char PIPE = '|';
     public static final char DOUBLE_QUOTE = '"';
 
+    /**
+     * Represents a disabled quote character.
+     * When the quote is set to this value, the CSV parser will treat all quote characters as regular text.
+     */
+    public static final char NONE_QUOTE = '\0';
+
     /**
      * line break
      */
diff --git a/fesod-sheet/src/main/java/org/apache/fesod/sheet/read/builder/CsvReaderBuilder.java b/fesod-sheet/src/main/java/org/apache/fesod/sheet/read/builder/CsvReaderBuilder.java
index 435d0eb5e..36a6befe7 100644
--- a/fesod-sheet/src/main/java/org/apache/fesod/sheet/read/builder/CsvReaderBuilder.java
+++ b/fesod-sheet/src/main/java/org/apache/fesod/sheet/read/builder/CsvReaderBuilder.java
@@ -61,6 +61,11 @@ public CsvReaderBuilder delimiter(String delimiter) {
 
     /**
      * Sets the quote character
+     * <p>
+     * If set to {@link org.apache.fesod.sheet.metadata.csv.CsvConstant#NONE_QUOTE}, the quote parsing logic will be disabled,
+     * and quote characters will be treated as regular text.This is equivalent to setting
+     * {@code quote} to {@code null} in Apache Commons CSV.
+     * </p>
      *
      * @param quote the quote character
      * @return Returns a CsvReaderBuilder object, enabling method chaining