From 88a6c6019c9364a9cf0df4af1760b3be44b9052e Mon Sep 17 00:00:00 2001
From: =?utf8?q?David=20=E2=80=98Bombe=E2=80=99=20Roden?=
 <bombe@pterodactylus.net>
Date: Sun, 6 Jul 2008 11:50:48 +0200
Subject: [PATCH] parse header only on first link

---
 CollectionReader.cpp | 19 +++++++++++++++----
 CollectionReader.h   |  5 ++++-
 2 files changed, 19 insertions(+), 5 deletions(-)

diff --git a/CollectionReader.cpp b/CollectionReader.cpp
index 2f4a3cd..e33d6b8 100644
--- a/CollectionReader.cpp
+++ b/CollectionReader.cpp
@@ -4,7 +4,6 @@
 
 #include <stdlib.h>
 #include <string.h>
-#include <stdint.h>
 #include "CollectionReader.h"
 #include "GlobalSettings.h"
 
@@ -95,7 +94,6 @@ ED2KLink* CollectionReader::getNextLink() {
 			GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] readInput EOF reached.\n", __FILE__, __LINE__);
 			return NULL;
 		}
-		firstLink = false;
 	}
 	if (isTextCollection) {
 		while (!readerInput->isEOF() && !isLineBreakPresent()) {
@@ -128,7 +126,8 @@ ED2KLink* CollectionReader::getNextLink() {
 		ED2KLink* ed2kLink = ED2KLink::parseED2KLink(line);
 		free(line);
 		return ed2kLink;
-	} else {
+	}
+	if (firstLink) {
 		/* read header */
 		if (!ensureBufferCapacity(4)) {
 			return NULL;
@@ -163,6 +162,18 @@ ED2KLink* CollectionReader::getNextLink() {
 				GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] unknown tag type: %02x.\n", __FILE__, __LINE__, tagType);
 			}
 		}
+		fileCollectionCount = 0;
+		if (!ensureBufferCapacity(4)) {
+			return NULL;
+		}
+		growingBuffer.read(&fileCollectionCount, 4);
+		GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] will read %d file tags.\n", __FILE__, __LINE__, fileCollectionCount);
+		collectionFileIndex = 0;
+		firstLink = false;
+	}
+	if (collectionFileIndex < fileCollectionCount) {
+	} else {
+		GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] reached end of collection.\n", __FILE__, __LINE__);
 	}
 	return NULL;
 }
@@ -188,7 +199,6 @@ void CollectionReader::readMoreBytes() {
 }
 
 void CollectionReader::identifyCollectionType() {
-	int version;
 	size_t readBytes;
 
 	readBytes = readerInput->read(&version, 4);
@@ -206,6 +216,7 @@ void CollectionReader::identifyCollectionType() {
 	} else if (!strncmp("ed2k", (char*) &version, 4)) {
 		isTextCollection = true;
 		growingBuffer.write(&version, 4);
+		version = 0;
 		GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] identified text collection\n", __FILE__, __LINE__);
 	} else  {
 		GlobalSettings::isVerbose() && fprintf(stderr, "[%s:%d] could not identify collection!\n", __FILE__, __LINE__);
diff --git a/CollectionReader.h b/CollectionReader.h
index 6e8f373..770c2a8 100644
--- a/CollectionReader.h
+++ b/CollectionReader.h
@@ -4,6 +4,7 @@
 
 #pragma once
 
+#include <stdint.h>
 #include "ReaderInput.h"
 #include "ED2KLink.h"
 #include "GrowingBuffer.h"
@@ -30,9 +31,11 @@ private:
 private:
 	ReaderInput* readerInput;
 	GrowingBuffer growingBuffer;
-	int version;
+	uint32_t version;
 	bool firstLink;
 	bool isTextCollection;
+	uint32_t fileCollectionCount;
+	uint32_t collectionFileIndex;
 
 };
 
-- 
2.7.4