Add PDF writer.

src/core/CMakeLists.txt

@@ -1,5 +1,6 @@
 list(APPEND core_HEADERS
     AbstractApp.h
+    Dictionary.h
     Event.h
     Color.h
     CommandLineArgs.h
@@ -12,6 +13,7 @@ list(APPEND core_HEADERS
 
 list(APPEND core_LIB_INCLUDES 
     Event.cpp
+    Dictionary.cpp
     Color.cpp
     CommandLineArgs.cpp
     loggers/FileLogger.cpp

src/core/Dictionary.cpp

@@ -0,0 +1,56 @@
+#include "Dictionary.h"
+
+bool Dictionary::HasKey(const std::string& key) const
+{
+    return HasStringKey(key) || HasDictKey(key);
+}
+
+bool Dictionary::HasStringKey(const std::string& key) const
+{
+    return mStringData.count(key) > 0;
+}
+
+bool Dictionary::HasDictKey(const std::string& key) const
+{
+    return mDictData.count(key) > 0;
+}
+
+std::vector<std::string> Dictionary::GetStringKeys() const
+{
+    std::vector<std::string> keys;
+    for (const auto& item : mStringData)
+    {
+        keys.push_back(item.first);
+    }
+    return keys;
+}
+
+std::vector<std::string> Dictionary::GetDictKeys() const
+{
+    std::vector<std::string> keys;
+    for (const auto& item : mDictData)
+    {
+        keys.push_back(item.first);
+    }
+    return keys;
+}
+
+Dictionary* Dictionary::GetDict(const std::string& key) const
+{
+    return mDictData.at(key).get();
+}
+
+std::string Dictionary::GetItem(const std::string& key) const
+{
+    return mStringData.at(key);
+}
+
+void Dictionary::AddStringItem(const std::string& key, const std::string& item)
+{
+    mStringData[key] = item;
+}
+
+void Dictionary::AddDictItem(const std::string& key, std::unique_ptr<Dictionary> dict)
+{
+    mDictData[key] = std::move(dict);
+}

src/core/Dictionary.h

@@ -0,0 +1,35 @@
+#pragma once
+#include <string>
+#include <vector>
+#include <map>
+#include <memory>
+
+class Dictionary
+{
+public:
+    Dictionary() = default;
+    virtual ~Dictionary() = default;
+
+    bool HasKey(const std::string& key) const;
+
+    bool HasStringKey(const std::string& key) const;
+
+    bool HasDictKey(const std::string& key) const;
+
+    Dictionary* GetDict(const std::string& key) const;
+
+    std::vector<std::string> GetDictKeys() const;
+
+    std::vector<std::string> GetStringKeys() const;
+
+    std::string GetItem(const std::string& key) const;
+
+    void AddStringItem(const std::string& key, const std::string& item);
+
+    void AddDictItem(const std::string& key, std::unique_ptr<Dictionary> dict);
+
+protected:
+
+    std::map<std::string, std::string> mStringData;
+    std::map<std::string, std::unique_ptr<Dictionary> > mDictData;
+};

src/core/StringUtils.cpp

@@ -1,6 +1,8 @@
 #include "StringUtils.h"
 #include <locale>
 #include <algorithm>
+#include <sstream>
+#include <iomanip>
 
 #ifdef _WIN32
 #include "Windows.h"
@@ -45,3 +47,10 @@ std::string StringUtils::convert(const std::wstring& input)
     throw std::logic_error("Not implemented");
 #endif
 }
+
+std::string StringUtils::ToPaddedString(unsigned numBytes, unsigned entry)
+{
+    std::stringstream sstr;
+    sstr << std::setfill('0') << std::setw(numBytes) << entry;
+    return sstr.str();
+}

src/core/StringUtils.h

@@ -18,4 +18,5 @@ public:
     static bool IsSpace(char c);
     static std::string ToLower(const std::string& s);
     static std::string convert(const std::wstring& input);
+    static std::string ToPaddedString(unsigned numBytes, unsigned entry);
 };