Replace boost case conversion routines.

include/precompiled_boost.h

@@ -10,5 +10,4 @@
 #include <boost/algorithm/string/split.hpp>
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/predicate.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
 #include "util/Noncopyable.h"

libs/string/case_conv.h

@@ -0,0 +1,56 @@
+#pragma once
+
+#include <string>
+#include <algorithm>
+#include <cctype>
+
+namespace string
+{
+
+/**
+ * Converts the given input string to lowercase, using the 
+ * C-function tolower(). The string is modified in-place.
+ */
+inline void to_lower(std::string& input)
+{
+	std::transform(input.begin(), input.end(), input.begin(), ::tolower);
+}
+
+/**
+* Converts the given input string to lowercase, using the
+* C-function tolower(), and returns a copy of the result.
+*/
+inline std::string to_lower_copy(const std::string& input)
+{
+	std::string output;
+	output.resize(input.size());
+
+	std::transform(input.begin(), input.end(), output.begin(), ::tolower);
+
+	return output;
+}
+
+/**
+* Converts the given input string to uppercase, using the
+* C-function toupper(). The string is modified in-place.
+*/
+inline void to_upper(std::string& input)
+{
+	std::transform(input.begin(), input.end(), input.begin(), ::toupper);
+}
+
+/**
+* Converts the given input string to uppercase, using the
+* C-function tolower(), and returns a copy of the result.
+*/
+inline std::string to_upper_copy(const std::string& input)
+{
+	std::string output;
+	output.resize(input.size());
+
+	std::transform(input.begin(), input.end(), output.begin(), ::toupper);
+
+	return output;
+}
+
+}

libs/wxutil/FileChooser.cpp

@@ -11,7 +11,7 @@
 #include "MultiMonitor.h"
 #include "dialog/MessageBox.h"
 #include <boost/algorithm/string/predicate.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 #include <wx/app.h>
 
 namespace wxutil
@@ -59,7 +59,7 @@ void FileChooser::construct()
 	}
 
 	// Make default extension lowercase
-	boost::algorithm::to_lower(_defaultExt);
+	string::to_lower(_defaultExt);
 
 	int defaultFormatIdx = 0;
 	int curFormatIdx = 0;

libs/wxutil/preview/ModelPreview.cpp

@@ -18,8 +18,6 @@
 
 #include "iuimanager.h"
 
-#include <boost/algorithm/string/case_conv.hpp>
-
 namespace wxutil
 {
 

libs/wxutil/preview/ParticlePreview.cpp

@@ -20,7 +20,6 @@
 
 #include <fmt/format.h>
 #include <boost/algorithm/string/predicate.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/split.hpp>
 

plugins/dm.conversation/ConversationKeyExtractor.cpp

@@ -4,7 +4,6 @@
 
 #include <boost/lexical_cast.hpp>
 #include <regex>
-#include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/split.hpp>
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/algorithm/string/classification.hpp>

plugins/dm.gui/gui/GuiScript.cpp

@@ -4,7 +4,7 @@
 #include "parser/DefTokeniser.h"
 #include "Gui.h"
 
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 #include <boost/algorithm/string/trim.hpp>
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/lexical_cast.hpp>
@@ -223,7 +223,7 @@ void GuiScript::switchOnToken(const std::string& token, parser::DefTokeniser& to
 		while (tokeniser.hasMoreTokens() && _curLevel == blockLevel)
 		{
 			std::string nextToken = tokeniser.nextToken();
-			boost::algorithm::to_lower(nextToken);
+			string::to_lower(nextToken);
 
 			switchOnToken(nextToken, tokeniser);
 		}
@@ -291,7 +291,7 @@ void GuiScript::parseStatement(parser::DefTokeniser& tokeniser)
 	}
 
 	std::string token = tokeniser.nextToken();
-	boost::algorithm::to_lower(token);
+	string::to_lower(token);
 
 	switchOnToken(token, tokeniser);
 }

plugins/dm.gui/gui/GuiWindowDef.cpp

@@ -8,7 +8,7 @@
 #include <boost/algorithm/string/split.hpp>
 #include <boost/algorithm/string/classification.hpp>
 #include <boost/algorithm/string/trim.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 #include "string/replace.h"
 
 #include "GuiScript.h"
@@ -154,7 +154,7 @@ void GuiWindowDef::constructFromTokens(parser::DefTokeniser& tokeniser)
 	while (tokeniser.hasMoreTokens())
 	{
 		std::string token = tokeniser.nextToken();
-		boost::algorithm::to_lower(token);
+		string::to_lower(token);
 
 		if (token == "rect")
 		{

plugins/dm.gui/gui/Variable.cpp

@@ -2,15 +2,15 @@
 
 #include "Gui.h"
 #include "GuiWindowDef.h"
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 
 namespace gui
 {
 
 WindowDefVariable::WindowDefVariable(GuiWindowDef& windowDef,
 									 const std::string& name) :
 	_windowDef(windowDef),
-	_name(boost::algorithm::to_lower_copy(name))
+	_name(string::to_lower_copy(name))
 {}
 
 // Assign a value to this Variable (returns TRUE on success)

plugins/dm.objectives/Component.cpp

@@ -1,7 +1,7 @@
 #include "Component.h"
 
 #include "string/convert.h"
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 #include "string/replace.h"
 
 namespace objectives {
@@ -128,7 +128,7 @@ std::string Component::getString() {
 	// Convert the first character of the sentence to upper case
 	if (!sentence.empty()) {
 		std::string c(sentence.begin(), sentence.begin()+1);
-		sentence[0] = boost::algorithm::to_upper_copy(c)[0];
+		sentence[0] = string::to_upper_copy(c)[0];
 
 		// Append a full stop at the end of the sentence
 		if (sentence[sentence.length() - 1] != '.') {

plugins/dm.objectives/ObjectiveKeyExtractor.cpp

@@ -4,7 +4,6 @@
 
 #include <boost/lexical_cast.hpp>
 #include <regex>
-#include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/split.hpp>
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/algorithm/string/classification.hpp>

plugins/eclassmgr/Doom3EntityClass.cpp

@@ -5,7 +5,6 @@
 #include "os/path.h"
 #include "string/convert.h"
 
-#include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/predicate.hpp>
 #include <boost/algorithm/string/erase.hpp>
 #include <fmt/format.h>

plugins/eclassmgr/EClassManager.cpp

@@ -15,7 +15,7 @@
 #include "Doom3EntityClass.h"
 #include "Doom3ModelDef.h"
 
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 #include <functional>
 
 #include "debugging/ScopedDebugTimer.h"
@@ -46,7 +46,7 @@ IEntityClassPtr EClassManager::findOrInsert(const std::string& name, bool has_br
     }
 
 	// Convert string to lowercase, for case-insensitive lookup
-	std::string lName = boost::algorithm::to_lower_copy(name);
+	std::string lName = string::to_lower_copy(name);
 
     // Find and return if exists
     Doom3EntityClassPtr eclass = findInternal(lName);
@@ -218,7 +218,7 @@ IEntityClassPtr EClassManager::findClass(const std::string& className)
     ensureDefsLoaded();
 
 	// greebo: Convert the lookup className string to lowercase first
-	std::string classNameLower = boost::algorithm::to_lower_copy(className);
+	std::string classNameLower = string::to_lower_copy(className);
 
     EntityClasses::const_iterator i = _entityClasses.find(classNameLower);
 
@@ -353,13 +353,13 @@ void EClassManager::parse(TextInputStream& inStr, const std::string& modDir)
     while (tokeniser.hasMoreTokens())
 	{
         std::string blockType = tokeniser.nextToken();
-        boost::algorithm::to_lower(blockType);
+        string::to_lower(blockType);
 
         if (blockType == "entitydef")
 		{
 			// Get the (lowercase) entity name
 			const std::string sName =
-    			boost::algorithm::to_lower_copy(tokeniser.nextToken());
+    			string::to_lower_copy(tokeniser.nextToken());
 
 			// Ensure that an Entity class with this name already exists
 			// When reloading entityDef declarations, most names will already be registered

plugins/entity/Doom3Entity.cpp

@@ -3,7 +3,6 @@
 #include "iradiant.h"
 #include "ieclass.h"
 #include "debugging/debugging.h"
-#include <boost/algorithm/string/case_conv.hpp>
 #include <boost/algorithm/string/predicate.hpp>
 #include <functional>
 

plugins/eventmanager/Accelerator.cpp

@@ -4,7 +4,7 @@
 #include <cctype>
 #include <wx/defs.h>
 #include "wxutil/Modifier.h"
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 
 namespace ui
 {
@@ -108,7 +108,7 @@ unsigned int Accelerator::getKeyCodeFromName(const std::string& name)
     }
     else // words like TAB, ESCAPE, etc.
     {
-        std::string upper = boost::algorithm::to_upper_copy(name);
+        std::string upper = string::to_upper_copy(name);
 
         // These are compatible with the ones defined in gdkkeysyms.h
         // to be able to load legacy input.xml files

plugins/filetypes/FileTypeRegistry.cpp

@@ -6,7 +6,7 @@
 #include "debugging/debugging.h"
 
 #include <boost/algorithm/string/predicate.hpp>
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 
 FileTypeRegistry::FileTypeRegistry()
 {
@@ -16,7 +16,7 @@ FileTypeRegistry::FileTypeRegistry()
 void FileTypeRegistry::registerPattern(const std::string& fileType, const FileTypePattern& pattern)
 {
 	// Convert the file extension to lowercase
-	std::string fileTypeLower = boost::algorithm::to_lower_copy(fileType);
+	std::string fileTypeLower = string::to_lower_copy(fileType);
 
 	// Find or insert the fileType into the map
 	FileTypes::iterator i = _fileTypes.find(fileTypeLower);
@@ -32,8 +32,8 @@ void FileTypeRegistry::registerPattern(const std::string& fileType, const FileTy
 
 	// Ensure the pattern contains a lowercase extension
 	FileTypePattern patternLocal = pattern;
-	boost::algorithm::to_lower(patternLocal.extension);
-	boost::algorithm::to_lower(patternLocal.pattern);
+	string::to_lower(patternLocal.extension);
+	string::to_lower(patternLocal.pattern);
 
 	// Check if the pattern is already associated
 	for (const FileTypePattern& pattern : patternList)
@@ -52,7 +52,7 @@ void FileTypeRegistry::registerPattern(const std::string& fileType, const FileTy
 FileTypePatterns FileTypeRegistry::getPatternsForType(const std::string& fileType)
 {
 	// Convert the file extension to lowercase and try to find the matching list
-	FileTypes::const_iterator i = _fileTypes.find(boost::algorithm::to_lower_copy(fileType));
+	FileTypes::const_iterator i = _fileTypes.find(string::to_lower_copy(fileType));
 
 	return i != _fileTypes.end() ? i->second : FileTypePatterns();
 }

plugins/fonts/GlyphInfo.cpp

@@ -2,7 +2,7 @@
 
 #include "GlyphInfo.h"
 #include "os/file.h"
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 #include "string/replace.h"
 
 namespace fonts
@@ -23,7 +23,7 @@ GlyphInfo::GlyphInfo(const q3font::Q3GlyphInfo& q3glyph)
 	t2 = q3glyph.t2;
 
 	texture = q3glyph.shaderName;
-	boost::algorithm::to_lower(texture);
+	string::to_lower(texture);
 
 	// Cut off fonts/
 	string::replace_first(texture, "fonts/", "");

plugins/image/Doom3ImageLoader.cpp

@@ -8,7 +8,7 @@
 #include "iregistry.h"
 #include "igame.h"
 
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 #include <boost/algorithm/string/split.hpp>
 #include <boost/algorithm/string/classification.hpp>
 
@@ -39,7 +39,7 @@ ImageTypeLoader::Extensions getGameFileImageExtensions()
 		{
 			// Get the file extension
 			std::string extension = i->getContent();
-			boost::algorithm::to_lower(extension);
+			string::to_lower(extension);
             _extensions.push_back(extension);
 		}
 	}
@@ -54,7 +54,7 @@ void Doom3ImageLoader::addLoaderToMap(ImageTypeLoader::Ptr loader)
     ImageTypeLoader::Extensions exts = loader->getExtensions();
     for (auto i = exts.begin(); i != exts.end(); ++i)
     {
-        _loadersByExtension[boost::algorithm::to_lower_copy(*i)] = loader;
+        _loadersByExtension[string::to_lower_copy(*i)] = loader;
     }
 }
 
@@ -117,7 +117,7 @@ ImagePtr Doom3ImageLoader::imageFromFile(const std::string& filename) const
 
     if (!file->failed())
     {
-        const std::string ext = boost::algorithm::to_lower_copy(
+        const std::string ext = string::to_lower_copy(
             os::getExtension(filename)
         );
 

plugins/model/PicoModelLoader.cpp

@@ -11,7 +11,7 @@
 #include "PicoModelNode.h"
 
 #include "idatastream.h"
-#include <boost/algorithm/string/case_conv.hpp>
+#include "string/case_conv.h"
 
 namespace model {
 
@@ -30,7 +30,7 @@ namespace {
 
 PicoModelLoader::PicoModelLoader(const picoModule_t* module, const std::string& extension) :
 	_module(module),
-	_extension(boost::algorithm::to_upper_copy(extension))
+	_extension(string::to_upper_copy(extension))
 {}
 
 const std::string& PicoModelLoader::getExtension() const
@@ -87,7 +87,7 @@ IModelPtr PicoModelLoader::loadModelFromPath(const std::string& name)
 
 	// Determine the file extension (ASE or LWO) to pass down to the PicoModel
 	std::string fName = file->getName();
-	boost::algorithm::to_lower(fName);
+	string::to_lower(fName);
 	std::string fExt = fName.substr(fName.size() - 3, 3);
 
 	picoModel_t* model = PicoModuleLoadModelStream(