fix: normalize paths

src/core/config/config.cpp

@@ -35,13 +35,8 @@ Result<void> config::initialize(std::unique_ptr<clrsync::core::io::file> file)
 
 std::filesystem::path config::get_user_config_dir()
 {
-    auto home = expand_user("~");
-#ifdef _WIN32
-    return home + "\\.config\\clrsync";
-
-#else
-    return home + "/.config/clrsync";
-#endif
+    std::filesystem::path home = normalize_path("~");
+    return home / ".config" / "clrsync";
 }
 
 std::filesystem::path config::get_data_dir()

src/core/io/toml_file.cpp

@@ -8,7 +8,7 @@ namespace clrsync::core::io
 {
 toml_file::toml_file(std::string path)
 {
-    m_path = expand_user(path);
+    m_path = normalize_path(path).string();
 }
 
 Result<void> toml_file::parse()

src/core/palette/palette_manager.hpp

@@ -19,7 +19,7 @@ template <typename FileType> class palette_manager
     palette_manager() = default;
     void load_palettes_from_directory(const std::string &directory_path)
     {
-        auto directory_path_expanded = expand_user(directory_path);
+        std::filesystem::path directory_path_expanded = normalize_path(directory_path);
         if (!std::filesystem::exists(directory_path_expanded))
             return;
         for (const auto &entry : std::filesystem::directory_iterator(directory_path_expanded))
@@ -34,8 +34,9 @@ template <typename FileType> class palette_manager
     }
     void save_palette_to_file(const palette &pal, const std::string &directory_path) const
     {
-        std::string file_path = directory_path + "/" + pal.name() + ".toml";
-        palette_file<FileType> pal_file(file_path);
+        std::filesystem::path dir_path = normalize_path(directory_path);
+        std::filesystem::path file_path = dir_path / (pal.name() + ".toml");
+        palette_file<FileType> pal_file(file_path.string());
         pal_file.save_palette(pal);
     }
 

src/core/theme/theme_template.cpp

@@ -8,8 +8,8 @@ namespace clrsync::core
 {
 theme_template::theme_template(const std::string &name, const std::string &template_path,
                                const std::string &out_path)
-    : m_name(name), m_template_path(expand_user(template_path)),
-      m_output_path(expand_user(out_path))
+    : m_name(name), m_template_path(normalize_path(template_path).string()),
+      m_output_path(normalize_path(out_path).string())
 {
 }
 
@@ -30,7 +30,7 @@ const std::string &theme_template::template_path() const
 
 void theme_template::set_template_path(const std::string &path)
 {
-    m_template_path = expand_user(path);
+    m_template_path = normalize_path(path).string();
 }
 
 const std::string &theme_template::output_path() const
@@ -40,7 +40,7 @@ const std::string &theme_template::output_path() const
 
 void theme_template::set_output_path(const std::string &path)
 {
-    m_output_path = expand_user(path);
+    m_output_path = normalize_path(path).string();
 }
 
 Result<void> theme_template::load_template()

src/core/utils.cpp

@@ -1,5 +1,6 @@
 #include "utils.hpp"
 #include <iostream>
+#include <filesystem>
 
 namespace clrsync::core
 {
@@ -15,20 +16,19 @@ std::string get_default_config_path()
 {
     const char* env_path = std::getenv("CLRSYNC_CONFIG_PATH");
     if (env_path && env_path[0] != '\0')
-        return expand_user(env_path);
+        return normalize_path(env_path).string();
     
-    auto home = expand_user("~");
-#ifdef _WIN32
-    return home + "\\.config\\clrsync\\config.toml";
-
-#else
-    return home + "/.config/clrsync/config.toml";
-#endif
+    std::filesystem::path home = normalize_path("~");
+    std::filesystem::path config_path = home / ".config" / "clrsync" / "config.toml";
+    return config_path.string();
 }
 
 std::string expand_user(const std::string &path)
 {
-    if (!path.empty() && path[0] == '~')
+    if (path.empty() || path[0] != '~')
+        return path;
+    
+    if (path.length() == 1 || path[1] == '/' || path[1] == '\\')
     {
 #ifdef _WIN32
         const char *home = std::getenv("USERPROFILE");
@@ -37,9 +37,21 @@ std::string expand_user(const std::string &path)
 #endif
         if (!home)
             return path;
+        
+        if (path.length() == 1)
+            return std::string(home);
+        
         return std::string(home) + path.substr(1);
     }
     return path;
 }
 
+std::filesystem::path normalize_path(const std::string &path)
+{
+    std::string expanded = expand_user(path);
+    std::filesystem::path fs_path(expanded);
+    // lexically_normal() resolves . and .. and normalizes separators
+    return fs_path.lexically_normal();
+}
+
 } // namespace clrsync::core

src/core/utils.hpp

@@ -2,6 +2,7 @@
 #define CLRSYNC_CORE_UTILS_HPP
 
 #include <string>
+#include <filesystem>
 
 #include <core/palette/color_keys.hpp>
 
@@ -10,5 +11,6 @@ namespace clrsync::core
 void print_color_keys();
 std::string get_default_config_path();
 std::string expand_user(const std::string &path);
+std::filesystem::path normalize_path(const std::string &path);
 } // namespace clrsync::core
 #endif // CLRSYNC_CORE_UTILS_HPP

src/gui/palette_controller.cpp

@@ -30,7 +30,8 @@ void palette_controller::select_palette(const std::string& name)
 
 void palette_controller::create_palette(const std::string& name)
 {
-    clrsync::core::palette new_palette = m_palette_manager.load_palette_from_file(clrsync::core::config::get_data_dir().string() + "/palettes/cursed.toml");
+    std::filesystem::path template_path = clrsync::core::config::get_data_dir() / "palettes" / "cursed.toml";
+    clrsync::core::palette new_palette = m_palette_manager.load_palette_from_file(template_path.string());
     new_palette.set_name(name);
         
     auto dir = clrsync::core::config::instance().palettes_path();

src/gui/template_editor.cpp

@@ -1,6 +1,7 @@
 #include "template_editor.hpp"
 #include "core/config/config.hpp"
 #include "core/theme/theme_template.hpp"
+#include "core/utils.hpp"
 #include "imgui.h"
 #include <filesystem>
 #include <fstream>
@@ -420,7 +421,7 @@ void template_editor::save_template()
 
     auto &cfg = clrsync::core::config::instance();
 
-    std::filesystem::path template_file = trimmed_input_path;
+    std::filesystem::path template_file = clrsync::core::normalize_path(trimmed_input_path);
     
     // Ensure the parent directory exists
     auto parent_dir = template_file.parent_path();