solve hw-9

hws/tiktok_trends/Utils.h

@@ -0,0 +1,33 @@
+#pragma once
+
+#include <string>
+#include <vector>
+#include <unordered_map>
+#include <fstream>
+#include "StringInterner.h"
+#include "VideoInfo.h"
+#include "HashtagInfo.h"
+#include "SoundInfo.h"
+#include "StringPtrUtils.h" // Needed for HashtagMapType/SoundMapType in function signatures
+
+bool parseQuotedStringValue(const std::string& str, size_t& pos, std::string& value);
+bool parseUnquotedValue(const std::string& str, size_t& pos, std::string& value);
+bool extractValue(const std::string& line, const std::string& key, std::string& value);
+bool extractSubObject(const std::string& line, const std::string& key, std::string& subObj);
+bool parseLongLong(const std::string& s, long& result);
+
+bool parseLineForHashtags(const std::string& line, int inputOrder, StringInterner& interner,
+                          VideoInfo& outVideo, std::string& outText);
+
+bool parseLineForSounds(const std::string& line, int inputOrder, StringInterner& interner,
+                        VideoInfo& outVideo,
+                        const std::string*& outMusicIdPtr,
+                        const std::string*& outMusicNamePtr,
+                        const std::string*& outMusicAuthorPtr);
+
+void extractHashtags(const std::string& text,
+                     std::unordered_map<const std::string*, HashtagInfo, StringPtrHash, StringPtrEqual>& hashtagData,
+                     StringInterner& interner,
+                     const VideoInfo& video);
+
+void extractSortAndPrintTop3Videos(std::ofstream& fout, TopKVideoHolder& topVideos);