Rework how the config file is read

Still need to remove reduntant code and test it much more thoroughly.

src/ConfigUtils.h

@@ -0,0 +1,242 @@
+#pragma once
+
+#include "Common.h" 
+#include "FileUtils.h" 
+
+#include <assert.h>
+#include <map>
+#include <vector>
+#include <string>
+
+struct ConfigCache
+{
+  std::map<std::string, std::string> strings;
+  std::map<std::string, std::vector<std::string>> vecStrings;
+  std::map<std::string, bool> bools;
+};
+
+enum class ConfigSetting
+{
+  // vectors
+  Library = 0, LibraryDir = 1, IncludeDir = 2, Define = 3, CFlag = 4, Dependency = 5,
+  // Strings
+  SourceDir = 32, OutputDir = 33, OutputName = 34, OutputType = 35, ProjectName = 36, HFileName = 37,
+  // Bools
+  GenerateHFile = 64,
+  // Other
+  Invalid = 1024 
+};
+
+struct ConfigUtils
+{
+  static std::string GetSettingName(ConfigSetting setting)
+  {
+    switch(setting)
+    {
+      case ConfigSetting::SourceDir:
+        return "srcdir";
+      case ConfigSetting::OutputDir:
+        return "outputdir";
+      case ConfigSetting::OutputName:
+        return "outputname";
+      case ConfigSetting::OutputType:
+        return "outputtype";
+      case ConfigSetting::ProjectName:
+        return "projectname";
+      case ConfigSetting::HFileName:
+        return "hfilename";
+      case ConfigSetting::LibraryDir:
+        return "librarydir";
+      case ConfigSetting::IncludeDir:
+        return "includedir";
+      case ConfigSetting::Dependency:
+        return "dependency";
+      case ConfigSetting::Library:
+        return "library";
+      case ConfigSetting::Define:
+        return "define";
+      case ConfigSetting::CFlag:
+        return "cflag";
+      case ConfigSetting::GenerateHFile:
+        return "generatehfile";
+      case ConfigSetting::Invalid:
+        return "invalid";
+    }
+  }
+
+  static bool IsDirectory(ConfigSetting setting)
+  {
+    // Library, LibraryDir, IncludeDir, Define, CFlag, Dependency,
+    switch(setting)
+    {
+      case ConfigSetting::SourceDir:
+      case ConfigSetting::OutputDir:
+      case ConfigSetting::LibraryDir:
+      case ConfigSetting::IncludeDir:
+      case ConfigSetting::Dependency:
+        return true;
+      case ConfigSetting::OutputName:
+      case ConfigSetting::OutputType:
+      case ConfigSetting::ProjectName:
+      case ConfigSetting::HFileName:
+      case ConfigSetting::Library:
+      case ConfigSetting::Define:
+      case ConfigSetting::CFlag:
+      case ConfigSetting::GenerateHFile:
+        return false;
+      default:
+        LOG_ERROR("INVALID ENUM: ", (int)setting);
+        assert(false);
+    }
+  }
+
+  static bool IsStringSetting(ConfigSetting setting)
+  {
+    switch(setting)
+    {
+      case ConfigSetting::SourceDir:
+      case ConfigSetting::OutputDir:
+      case ConfigSetting::OutputName:
+      case ConfigSetting::OutputType:
+      case ConfigSetting::ProjectName:
+      case ConfigSetting::HFileName:
+        return true;
+      case ConfigSetting::LibraryDir:
+      case ConfigSetting::IncludeDir:
+      case ConfigSetting::Dependency:
+      case ConfigSetting::Library:
+      case ConfigSetting::Define:
+      case ConfigSetting::CFlag:
+      case ConfigSetting::GenerateHFile:
+      case ConfigSetting::Invalid:
+        return false;
+    }
+  }
+
+  static bool IsVectorSetting(ConfigSetting setting)
+  {
+    switch(setting)
+    {
+      case ConfigSetting::LibraryDir:
+      case ConfigSetting::IncludeDir:
+      case ConfigSetting::Dependency:
+      case ConfigSetting::Library:
+      case ConfigSetting::Define:
+      case ConfigSetting::CFlag:
+        return true;
+      case ConfigSetting::SourceDir:
+      case ConfigSetting::OutputDir:
+      case ConfigSetting::OutputName:
+      case ConfigSetting::OutputType:
+      case ConfigSetting::ProjectName:
+      case ConfigSetting::HFileName:
+      case ConfigSetting::GenerateHFile:
+      case ConfigSetting::Invalid:
+        return false;
+    }
+  }
+  static bool IsBoolSetting(ConfigSetting setting)
+  {
+    switch(setting)
+    {
+      case ConfigSetting::GenerateHFile:
+        return true;
+      case ConfigSetting::SourceDir:
+      case ConfigSetting::OutputDir:
+      case ConfigSetting::OutputName:
+      case ConfigSetting::OutputType:
+      case ConfigSetting::ProjectName:
+      case ConfigSetting::HFileName:
+      case ConfigSetting::LibraryDir:
+      case ConfigSetting::IncludeDir:
+      case ConfigSetting::Dependency:
+      case ConfigSetting::Library:
+      case ConfigSetting::Define:
+      case ConfigSetting::CFlag:
+      case ConfigSetting::Invalid:
+        return false;
+    }
+  }
+
+  static std::string GetDefaultSettingString(ConfigSetting setting, const std::string& path)
+  {
+    switch(setting)
+    {
+      case ConfigSetting::SourceDir:
+        return "src/";
+      case ConfigSetting::OutputDir:
+        return "bin/";
+      case ConfigSetting::OutputName:
+        return GetDefaultOutputName(path);
+      case ConfigSetting::OutputType:
+        return "executable";
+      case ConfigSetting::ProjectName:
+        return GetDefaultProjectName(path);
+      case ConfigSetting::HFileName:
+        return GetDefaultHFileName(path);
+      case ConfigSetting::GenerateHFile:
+        return GetDefaultSettingBool(setting) ? "true" : "false";
+      default:
+        LOG_ERROR("INVALID STRING ENUM: ", (int)setting);
+        assert(false);
+    }
+  }
+
+  static bool GetDefaultSettingBool(ConfigSetting setting)
+  {
+    switch(setting)
+    {
+      case ConfigSetting::GenerateHFile:
+        return false;
+      default:
+        LOG_ERROR("NOT BOOLEAN VALUE: ", (int)setting);
+        assert(false);
+    }
+  }
+
+  static std::string GetDefaultProjectName(const std::string& path)
+  {
+    return FileUtils::GetTopDirectory(path);
+  }
+
+  static std::string GetDefaultOutputName(const std::string& path)
+  {
+    std::string projectname = GetDefaultProjectName(path);
+    std::string outputname;
+    std::transform(
+        projectname.begin(),
+        projectname.end(),
+        std::back_inserter(outputname),
+        [](unsigned char c)
+        {
+          if(c == ' ')
+            return '_';
+          return (char)std::tolower(c);
+        });
+    auto it = std::remove_if(
+        outputname.begin(),
+        outputname.end(),
+        [](unsigned char c)
+        {
+          return (c < '0' || c > '9') && (c < 'a' || c > 'z') && c != '_';
+        });
+    outputname.erase(it, outputname.end());
+    outputname += ".out";
+    return outputname;
+  }
+
+  static std::string GetDefaultHFileName(const std::string& path)
+  {
+    std::string hfile = GetDefaultProjectName(path);
+    auto it = std::remove_if(
+        hfile.begin(),
+        hfile.end(),
+        [](unsigned char c)
+        {
+          return (c < 'a' || c > 'z') && (c < 'A' || c > 'Z');
+        });
+    hfile.erase(it, hfile.end());
+    hfile += ".h";
+    return hfile;
+  }
+};