From c22babf3c4c3db536895fd18fbf820aeff5b4bc0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Gr=C3=A9gory=20Soutad=C3=A9?= <soutade@gmail.com>
Date: Fri, 23 Dec 2022 16:55:47 +0100
Subject: [PATCH] Update Length when setting new data in stream

---
 src/uPDFTypes.cpp | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/src/uPDFTypes.cpp b/src/uPDFTypes.cpp
index ccd2dd0..8f9b5e3 100644
--- a/src/uPDFTypes.cpp
+++ b/src/uPDFTypes.cpp
@@ -73,7 +73,9 @@ namespace uPDFParser
 
 	for(it = _value.begin(); it!=_value.end(); it++)
 	{
-	    if (res.size() > 1)
+	    if (res.size() > 1 &&
+		(*it)->type() != DataType::TYPE::INTEGER &&
+		(*it)->type() != DataType::TYPE::REAL)
 		res += " ";
 	    res += (*it)->str();
 	}
@@ -103,8 +105,12 @@ namespace uPDFParser
 
     std::string Stream::str()
     {
-	std::string res = "stream\n";
+	std::string res = "stream";
 	const char* streamData = (const char*)data(); // Force reading if not in memory
+	if (_dataLength &&
+	    streamData[0] != '\n' &&
+	    streamData[0] != '\r')
+	    res += "\n";
 	res += std::string(streamData, _dataLength);
 	// Be sure there is a final line return
 	if (_dataLength &&
@@ -141,7 +147,10 @@ namespace uPDFParser
     {
 	if (_data && freeData)
 	    delete[] _data;
-	
+
+	dict.deleteKey("Length");
+	dict.addData("Length", new Integer(dataLength));
+
 	this->_data = data;
 	this->_dataLength = dataLength;
 	this->freeData = freeData;