core: clang-tidy and comp fixes (#79)

* clang-tidy and comp fixes

* oops

.clang-tidy

@@ -0,0 +1,101 @@
+WarningsAsErrors: '*'
+HeaderFilterRegex: '.*\.hpp'
+FormatStyle: file
+Checks: >
+  -*,
+  bugprone-*,
+  -bugprone-easily-swappable-parameters,
+  -bugprone-forward-declararion-namespace,
+  -bugprone-forward-declararion-namespace,
+  -bugprone-macro-parentheses,
+  -bugprone-narrowing-conversions,
+  -bugprone-branch-clone,
+  -bugprone-assignment-in-if-condition,
+  concurrency-*,
+  -concurrency-mt-unsafe,
+  cppcoreguidelines-*,
+  -cppcoreguidelines-owning-memory,
+  -cppcoreguidelines-avoid-magic-numbers,
+  -cppcoreguidelines-pro-bounds-constant-array-index,
+  -cppcoreguidelines-avoid-const-or-ref-data-members,
+  -cppcoreguidelines-non-private-member-variables-in-classes,
+  -cppcoreguidelines-avoid-goto,
+  -cppcoreguidelines-pro-bounds-array-to-pointer-decay,
+  -cppcoreguidelines-avoid-do-while,
+  -cppcoreguidelines-avoid-non-const-global-variables,
+  -cppcoreguidelines-special-member-functions,
+  -cppcoreguidelines-explicit-virtual-functions,
+  -cppcoreguidelines-avoid-c-arrays,
+  -cppcoreguidelines-pro-bounds-pointer-arithmetic,
+  -cppcoreguidelines-narrowing-conversions,
+  -cppcoreguidelines-pro-type-union-access,
+  -cppcoreguidelines-pro-type-member-init,
+  -cppcoreguidelines-macro-usage,
+  -cppcoreguidelines-macro-to-enum,
+  -cppcoreguidelines-init-variables,
+  -cppcoreguidelines-pro-type-cstyle-cast,
+  -cppcoreguidelines-pro-type-vararg,
+  -cppcoreguidelines-pro-type-reinterpret-cast,
+  google-global-names-in-headers,
+  -google-readability-casting,
+  google-runtime-operator,
+  misc-*,
+  -misc-unused-parameters,
+  -misc-no-recursion,
+  -misc-non-private-member-variables-in-classes,
+  -misc-include-cleaner,
+  -misc-use-anonymous-namespace,
+  -misc-const-correctness,
+  modernize-*,
+  -modernize-return-braced-init-list,
+  -modernize-use-trailing-return-type,
+  -modernize-use-using,
+  -modernize-use-override,
+  -modernize-avoid-c-arrays,
+  -modernize-macro-to-enum,
+  -modernize-loop-convert,
+  -modernize-use-nodiscard,
+  -modernize-pass-by-value,
+  -modernize-use-auto,
+  performance-*,
+  -performance-avoid-endl,
+  -performance-unnecessary-value-param,
+  portability-std-allocator-const,
+  readability-*,
+  -readability-function-cognitive-complexity,
+  -readability-function-size,
+  -readability-identifier-length,
+  -readability-magic-numbers,
+  -readability-uppercase-literal-suffix,
+  -readability-braces-around-statements,
+  -readability-redundant-access-specifiers,
+  -readability-else-after-return,
+  -readability-container-data-pointer,
+  -readability-implicit-bool-conversion,
+  -readability-avoid-nested-conditional-operator,
+  -readability-redundant-member-init,
+  -readability-redundant-string-init,
+  -readability-avoid-const-params-in-decls,
+  -readability-named-parameter,
+  -readability-convert-member-functions-to-static,
+  -readability-qualified-auto,
+  -readability-make-member-function-const,
+  -readability-isolate-declaration,
+  -readability-inconsistent-declaration-parameter-name,
+  -clang-diagnostic-error,
+
+CheckOptions:
+  performance-for-range-copy.WarnOnAllAutoCopies: true
+  performance-inefficient-string-concatenation.StrictMode: true
+  readability-braces-around-statements.ShortStatementLines: 0
+  readability-identifier-naming.ClassCase: CamelCase
+  readability-identifier-naming.ClassIgnoredRegexp: I.*
+  readability-identifier-naming.ClassPrefix: C # We can't use regex here?!?!?!?
+  readability-identifier-naming.EnumCase: CamelCase
+  readability-identifier-naming.EnumPrefix: e
+  readability-identifier-naming.EnumConstantCase: UPPER_CASE
+  readability-identifier-naming.FunctionCase: camelBack
+  readability-identifier-naming.NamespaceCase: CamelCase
+  readability-identifier-naming.NamespacePrefix: N
+  readability-identifier-naming.StructPrefix: S
+  readability-identifier-naming.StructCase: CamelCase

CMakeLists.txt

@@ -20,6 +20,16 @@ set(LIBDIR ${CMAKE_INSTALL_FULL_LIBDIR})
 configure_file(hyprcursor.pc.in hyprcursor.pc @ONLY)
 
 set(CMAKE_CXX_STANDARD 23)
+add_compile_options(
+  -Wall
+  -Wextra
+  -Wpedantic
+  -Wno-unused-parameter
+  -Wno-unused-value
+  -Wno-missing-field-initializers
+  -Wno-narrowing
+  -Wno-pointer-arith)
+set(CMAKE_EXPORT_COMPILE_COMMANDS TRUE)
 
 find_package(PkgConfig REQUIRED)
 pkg_check_modules(

hyprcursor-util/src/main.cpp

@@ -16,12 +16,12 @@
 #define ZIP_LENGTH_TO_END -1
 #endif
 
-enum eOperation {
+enum eOperation : uint8_t {
     OPERATION_CREATE  = 0,
     OPERATION_EXTRACT = 1,
 };
 
-eHyprcursorResizeAlgo explicitResizeAlgo = HC_RESIZE_INVALID;
+static eHyprcursorResizeAlgo explicitResizeAlgo = HC_RESIZE_INVALID;
 
 struct XCursorConfigEntry {
     int         size = 0, hotspotX = 0, hotspotY = 0, delay = 0;
@@ -119,7 +119,7 @@ static std::optional<std::string> createCursorThemeFromPath(const std::string& p
             return "couldn't parse meta: " + *PARSERESULT2;
 
         for (auto& i : meta.parsedData.definedSizes) {
-            SHAPE->images.push_back(SCursorImage{i.file, i.size, i.delayMs});
+            SHAPE->images.push_back(SCursorImage{.filename = i.file, .size = i.size, .delay = i.delayMs});
         }
 
         SHAPE->overrides = meta.parsedData.overrides;
@@ -388,7 +388,7 @@ int main(int argc, char** argv, char** envp) {
     eOperation  op   = OPERATION_CREATE;
     std::string path = "", out = "";
 
-    for (size_t i = 1; i < argc; ++i) {
+    for (int i = 1; i < argc; ++i) {
         std::string arg = argv[i];
 
         if (arg == "-v" || arg == "--version") {

include/hyprcursor/hyprcursor.hpp

@@ -1,7 +1,7 @@
 #pragma once
 
 #include <vector>
-#include <stdlib.h>
+#include <cstdlib>
 #include <string>
 
 #include "shared.h"
@@ -114,7 +114,7 @@ namespace Hyprcursor {
 
             SCursorShapeData   data;
 
-            for (size_t i = 0; i < size; ++i) {
+            for (int i = 0; i < size; ++i) {
                 SCursorImageData image;
                 image.delay    = images[i]->delay;
                 image.size     = images[i]->size;

libhyprcursor/VarList.cpp

@@ -38,7 +38,7 @@ CVarList::CVarList(const std::string& in, const size_t lastArgNo, const char del
             break;
         }
         pos += s.size() + 1;
-        m_vArgs.emplace_back(removeBeginEndSpacesTabs(std::string_view{s}.data()));
+        m_vArgs.emplace_back(removeBeginEndSpacesTabs(s.data()));
     }
 }
 

libhyprcursor/hyprcursor.cpp

@@ -2,6 +2,7 @@
 #include "internalSharedTypes.hpp"
 #include "internalDefines.hpp"
 #include <array>
+#include <cstddef>
 #include <sstream>
 #include <cstdio>
 #include <filesystem>
@@ -96,7 +97,7 @@ static std::string getFirstTheme(PHYPRCURSORLOGFUNC logfn) {
     }
 
     for (auto& dir : systemThemeDirs) {
-        const auto FULLPATH = dir;
+        const auto& FULLPATH = dir;
         if (!pathAccessible(FULLPATH)) {
             Debug::log(HC_LOG_TRACE, logfn, "Skipping path {} because it's inaccessible.", FULLPATH);
             continue;
@@ -175,7 +176,7 @@ static std::string getFullPathForThemeName(const std::string& name, PHYPRCURSORL
     }
 
     for (auto& dir : systemThemeDirs) {
-        const auto FULLPATH = dir;
+        const auto& FULLPATH = dir;
         if (!pathAccessible(FULLPATH)) {
             Debug::log(HC_LOG_TRACE, logfn, "Skipping path {} because it's inaccessible.", FULLPATH);
             continue;
@@ -217,23 +218,19 @@ static std::string getFullPathForThemeName(const std::string& name, PHYPRCURSORL
     return "";
 }
 
-SManagerOptions::SManagerOptions() {
-    logFn                = nullptr;
-    allowDefaultFallback = true;
+SManagerOptions::SManagerOptions() : logFn(nullptr), allowDefaultFallback(true) {
+    ;
 }
 
 CHyprcursorManager::CHyprcursorManager(const char* themeName_) {
     init(themeName_);
 }
 
-CHyprcursorManager::CHyprcursorManager(const char* themeName_, PHYPRCURSORLOGFUNC fn) {
-    logFn = fn;
+CHyprcursorManager::CHyprcursorManager(const char* themeName_, PHYPRCURSORLOGFUNC fn) : logFn(fn) {
     init(themeName_);
 }
 
-CHyprcursorManager::CHyprcursorManager(const char* themeName_, SManagerOptions options) {
-    logFn                = options.logFn;
-    allowDefaultFallback = options.allowDefaultFallback;
+CHyprcursorManager::CHyprcursorManager(const char* themeName_, SManagerOptions options) : allowDefaultFallback(options.allowDefaultFallback), logFn(options.logFn) {
     init(themeName_);
 }
 
@@ -284,8 +281,7 @@ void CHyprcursorManager::init(const char* themeName_) {
 }
 
 CHyprcursorManager::~CHyprcursorManager() {
-    if (impl)
-        delete impl;
+    delete impl;
 }
 
 bool CHyprcursorManager::valid() {
@@ -508,7 +504,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
                 auto& newImage           = impl->loadedShapes[shape.get()].images.emplace_back(std::make_unique<SLoadedCursorImage>());
                 newImage->artificial     = true;
                 newImage->side           = PIXELSIDE;
-                newImage->artificialData = new char[PIXELSIDE * PIXELSIDE * 4];
+                newImage->artificialData = new char[static_cast<unsigned long>(PIXELSIDE * PIXELSIDE * 4)];
                 newImage->cairoSurface   = cairo_image_surface_create_for_data((unsigned char*)newImage->artificialData, CAIRO_FORMAT_ARGB32, PIXELSIDE, PIXELSIDE, PIXELSIDE * 4);
                 newImage->delay          = f->delay;
 
@@ -549,7 +545,7 @@ bool CHyprcursorManager::loadThemeStyle(const SCursorStyleInfo& info) {
                 auto& newImage           = impl->loadedShapes[shape.get()].images.emplace_back(std::make_unique<SLoadedCursorImage>());
                 newImage->artificial     = true;
                 newImage->side           = PIXELSIDE;
-                newImage->artificialData = new char[PIXELSIDE * PIXELSIDE * 4];
+                newImage->artificialData = new char[static_cast<unsigned long>(PIXELSIDE * PIXELSIDE * 4)];
                 newImage->cairoSurface   = cairo_image_surface_create_for_data((unsigned char*)newImage->artificialData, CAIRO_FORMAT_ARGB32, PIXELSIDE, PIXELSIDE, PIXELSIDE * 4);
                 newImage->delay          = f->delay;
 
@@ -689,9 +685,9 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
 
         zip_file_t* meta_file = zip_fopen_index(zip, index, ZIP_FL_UNCHANGED);
 
-        char*       buffer = new char[1024 * 1024]; /* 1MB should be more than enough */
+        char*       buffer = new char[static_cast<unsigned long>(1024 * 1024)]; /* 1MB should be more than enough */
 
-        int         readBytes = zip_fread(meta_file, buffer, 1024 * 1024 - 1);
+        int         readBytes = zip_fread(meta_file, buffer, (1024 * 1024) - 1);
 
         zip_fclose(meta_file);
 
@@ -711,7 +707,7 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
             return "cursor" + cursor.path().string() + "failed to parse meta: " + *METAPARSERESULT;
 
         for (auto& i : meta.parsedData.definedSizes) {
-            SHAPE->images.push_back(SCursorImage{i.file, i.size, i.delayMs});
+            SHAPE->images.push_back(SCursorImage{.filename = i.file, .size = i.size, .delay = i.delayMs});
         }
 
         SHAPE->overrides = meta.parsedData.overrides;
@@ -755,8 +751,8 @@ std::optional<std::string> CHyprcursorImplementation::loadTheme() {
                 IMAGE->data    = new char[sb.size + 1];
                 IMAGE->dataLen = sb.size + 1;
             } else {
-                IMAGE->data    = new char[1024 * 1024]; /* 1MB should be more than enough, again. This probably should be in the spec. */
-                IMAGE->dataLen = 1024 * 1024;
+                IMAGE->data    = new char[static_cast<unsigned long>(1024 * 1024)]; /* 1MB should be more than enough, again. This probably should be in the spec. */
+                IMAGE->dataLen = static_cast<size_t>(1024 * 1024);
             }
 
             IMAGE->dataLen = zip_fread(image_file, IMAGE->data, IMAGE->dataLen - 1);

libhyprcursor/hyprcursor_c.cpp

@@ -38,7 +38,7 @@ struct SCursorImageData** hyprcursor_get_cursor_image_data(struct hyprcursor_man
 }
 
 void hyprcursor_cursor_image_data_free(hyprcursor_cursor_image_data** data, int size) {
-    for (size_t i = 0; i < size; ++i) {
+    for (int i = 0; i < size; ++i) {
         free(data[i]);
     }
 
@@ -49,7 +49,7 @@ void hyprcursor_style_done(hyprcursor_manager_t* manager, hyprcursor_cursor_styl
     const auto       MGR = (CHyprcursorManager*)manager;
     SCursorStyleInfo info;
     info.size = info_.size;
-    return MGR->cursorSurfaceStyleDone(info);
+    MGR->cursorSurfaceStyleDone(info);
 }
 
 void hyprcursor_register_logging_function(struct hyprcursor_manager_t* manager, PHYPRCURSORLOGFUNC fn) {

libhyprcursor/meta.cpp

@@ -8,9 +8,9 @@
 
 #include "VarList.hpp"
 
-CMeta* currentMeta = nullptr;
+static CMeta* currentMeta = nullptr;
 
-CMeta::CMeta(const std::string& rawdata_, bool hyprlang_ /* false for toml */, bool dataIsPath) : rawdata(rawdata_), hyprlang(hyprlang_), dataPath(dataIsPath) {
+CMeta::CMeta(const std::string& rawdata_, bool hyprlang_ /* false for toml */, bool dataIsPath) : dataPath(dataIsPath), hyprlang(hyprlang_), rawdata(rawdata_) {
     if (!dataIsPath)
         return;
 
@@ -87,8 +87,8 @@ static Hyprlang::CParseResult parseDefineSize(const char* C, const char* V) {
         CMeta::SDefinedSize size;
 
         if (RHS.contains(",")) {
-            const auto LL = removeBeginEndSpacesTabs(RHS.substr(0, RHS.find(",")));
-            const auto RR = removeBeginEndSpacesTabs(RHS.substr(RHS.find(",") + 1));
+            const auto LL = removeBeginEndSpacesTabs(RHS.substr(0, RHS.find(',')));
+            const auto RR = removeBeginEndSpacesTabs(RHS.substr(RHS.find(',') + 1));
 
             try {
                 size.delayMs = std::stoull(RR);