feat: Added decompressing support

.gitattributes

@@ -1 +1,4 @@
-lib/external/** linguist-vendored
+lib/external/** linguist-vendored
+
+dist/*.sh eol=lf
+dist/**/*Dockerfile eol=lf

dist/Arch/PKGBUILD

@@ -8,7 +8,7 @@ pkgdesc="A Hex Editor for Reverse Engineers, Programmers and people who value th
 arch=("x86_64")
 url="https://github.com/WerWolv/ImHex"
 license=('GPL2')
-depends=(glfw mbedtls freetype2 libglvnd dbus gtk3 curl fmt yara nlohmann-json)
+depends=(glfw mbedtls freetype2 libglvnd dbus gtk3 curl fmt yara nlohmann-json libarchive)
 makedepends=(git)
 provides=(imhex)
 conflicts=(imhex)

dist/DEBIAN/control.in

@@ -4,7 +4,7 @@ Section: editors
 Priority: optional
 Architecture: amd64
 License: GNU GPL-2
-Depends: libglfw3 | libglfw3-wayland, libmagic1, libmbedtls14, libfreetype6, libopengl0, libdbus-1-3, xdg-desktop-portal
+Depends: libglfw3 | libglfw3-wayland, libmagic1, libmbedtls14, libfreetype6, libopengl0, libdbus-1-3, xdg-desktop-portal, libarchive
 Maintainer: WerWolv <[email protected]>
 Description: ImHex Hex Editor
  A Hex Editor for Reverse Engineers, Programmers and

dist/ImHex-9999.ebuild

@@ -24,5 +24,6 @@ RDEPEND="${DEPEND}
 		dev-cpp/nlohmann_json
 		dbus
 		xdg-desktop-portal
+		app-arch/libarchive
 		"
 BDEPEND="${DEPEND}"

dist/get_deps_archlinux.sh

@@ -1,17 +1,18 @@
 #!/usr/bin/env sh
 
 pacman -S $@ --needed \
-  cmake     \
-  gcc       \
-  lld       \
-  glfw      \
-  file      \
-  mbedtls   \
-  freetype2 \
-  dbus      \
-  gtk3      \
-  curl      \
-  fmt       \
-  yara      \
+  cmake         \
+  gcc           \
+  lld           \
+  glfw          \
+  file          \
+  mbedtls       \
+  freetype2     \
+  dbus          \
+  gtk3          \
+  curl          \
+  fmt           \
+  yara          \
   nlohmann-json \
-  ninja
+  ninja         \
+  libarchive

dist/get_deps_debian.sh

@@ -22,4 +22,5 @@ apt install -y \
   libdbus-1-dev         \
   libcurl4-gnutls-dev   \
   libgtk-3-dev          \
-  ninja-build
+  ninja-build           \
+  libarchive-dev

dist/get_deps_fedora.sh

@@ -12,4 +12,5 @@ dnf install -y      \
   glfw-devel        \
   lld               \
   mbedtls-devel     \
-  gtk3-devel
+  gtk3-devel        \
+  libarchive-devel

dist/get_deps_msys2.sh

@@ -12,4 +12,5 @@ pacman -S --needed --noconfirm  \
   mingw-w64-x86_64-freetype     \
   mingw-w64-x86_64-dlfcn        \
   mingw-w64-x86_64-ninja        \
-  mingw-w64-x86_64-capstone
+  mingw-w64-x86_64-capstone     \
+  mingw-w64-x86_64-libarchive

dist/macOS/arm64.Dockerfile

@@ -52,6 +52,7 @@ vcpkg install --triplet=arm-osx-mytriplet curl
 vcpkg install --triplet=arm-osx-mytriplet mbedtls
 vcpkg install --triplet=arm-osx-mytriplet freetype
 vcpkg install --triplet=arm-osx-mytriplet josuttis-jthread
+vcpkg install --triplet=arm-osx-mytriplet libarchive
 EOF
 
 ## Install glfw3 dep

dist/msys2/PKGBUILD

@@ -16,7 +16,8 @@ makedepends=("${MINGW_PACKAGE_PREFIX}-gcc"
              "${MINGW_PACKAGE_PREFIX}-file"
              "${MINGW_PACKAGE_PREFIX}-mbedtls"
              "${MINGW_PACKAGE_PREFIX}-polly"
-             "${MINGW_PACKAGE_PREFIX}-freetype")
+             "${MINGW_PACKAGE_PREFIX}-freetype"
+             "${MINGW_PACKAGE_PREFIX}-libarchive")
 
 source=()
 sha256sums=()

dist/net.werwolv.ImHex.yaml

@@ -12,49 +12,10 @@ finish-args:
   - --device=all
 
 modules:
-  - name: libiconv
-    sources:
-      - type: archive
-        url: https://ftp.gnu.org/pub/gnu/libiconv/libiconv-1.16.tar.gz
-        sha256: e6a1b1b589654277ee790cce3734f07876ac4ccfaecbee8afa0b649cf529cc04
-
-  - name: glfw
-    buildsystem: cmake-ninja
-    builddir: true
-    config-opts:
-      - -DCMAKE_BUILD_TYPE=RelWithDebInfo
-      - -DBUILD_SHARED_LIBS:BOOL=ON
-    sources:
-      - type: archive
-        url: https://github.com/glfw/glfw/releases/download/3.3.2/glfw-3.3.2.zip
-        sha256: 08a33a512f29d7dbf78eab39bd7858576adcc95228c9efe8e4bc5f0f3261efc7
-    cleanup:
-      - /include
-      - /lib/pkgconfig
-
-  - name: mbedtls
-    buildsystem: cmake-ninja
-    config-opts:
-      - -DCMAKE_C_FLAGS=-fPIC
-    sources:
-      - type: archive
-        url: https://github.com/ARMmbed/mbedtls/archive/refs/tags/v2.27.0.tar.gz
-        sha256: 2a07856e541f0e5f6eaee4f78018c52f25bd244ed76f9020dea54a8b02cac6ea
-
-  - name: nlohmann-json
-    buildsystem: cmake-ninja
-    builddir: true
-    config-opts:
-      - -DCMAKE_BUILD_TYPE=RelWithDebInfo
-      - -DBUILD_TESTING=OFF
-
-    sources:
-      - type: archive
-        url: https://github.com/nlohmann/json/archive/v3.9.1.tar.gz
-        sha256: 4cf0df69731494668bdd6460ed8cb269b68de9c19ad8c27abc24cd72605b2d5b
-
   - name: imhex
     buildsystem: cmake
+    config-opts:
+      - -DCMAKE_BUILD_TYPE=RelWithDebInfo
 
     sources:
       - type: git

dist/web/Dockerfile

@@ -37,6 +37,7 @@ mkdir -p $VCPKG_DEFAULT_BINARY_CACHE
 /vcpkg/vcpkg install --triplet=wasm32-emscripten libmagic
 /vcpkg/vcpkg install --triplet=wasm32-emscripten freetype
 /vcpkg/vcpkg install --triplet=wasm32-emscripten mbedtls
+/vcpkg/vcpkg install --triplet=wasm32-emscripten libarchive
 EOF
 
 # Build ImHex

lib/libimhex/source/api/plugin_manager.cpp

@@ -174,7 +174,7 @@ namespace hex {
     }
 
     bool Plugin::isValid() const {
-        return m_handle != 0;
+        return m_handle != 0 || m_functions.initializeLibraryFunction != nullptr || m_functions.initializePluginFunction != nullptr;
     }
 
     bool Plugin::isLoaded() const {

plugins/decompress/CMakeLists.txt

@@ -0,0 +1,19 @@
+cmake_minimum_required(VERSION 3.16)
+
+include(ImHexPlugin)
+
+find_package(LibArchive 3.6 REQUIRED)
+
+add_imhex_plugin(
+    NAME
+        decompress
+    SOURCES
+        source/plugin_decompress.cpp
+
+        source/content/pl_functions.cpp
+    INCLUDES
+        include
+    LIBRARIES
+        ui
+        LibArchive::LibArchive
+)

plugins/decompress/source/content/pl_functions.cpp

@@ -0,0 +1,59 @@
+#include <hex.hpp>
+
+#include <hex/api/content_registry.hpp>
+#include <pl/core/evaluator.hpp>
+#include <pl/patterns/pattern.hpp>
+
+#include <archive.h>
+#include <archive_entry.h>
+
+#include <wolv/utils/guards.hpp>
+
+#include <vector>
+#include <optional>
+
+namespace hex::plugin::decompress {
+
+    void registerPatternLanguageFunctions() {
+        using namespace pl::core;
+        using FunctionParameterCount = pl::api::FunctionParameterCount;
+
+        const pl::api::Namespace nsHexDec = { "builtin", "hex", "dec" };
+
+        /* decompress() */
+        ContentRegistry::PatternLanguage::addFunction(nsHexDec, "decompress", FunctionParameterCount::exactly(2), [](Evaluator *evaluator, auto params) -> std::optional<Token::Literal> {
+            const auto inputPattern = params[0].toPattern();
+            auto &section = evaluator->getSection(params[1].toUnsigned());
+
+            std::vector<u8> compressedData;
+            compressedData.resize(inputPattern->getSize());
+            evaluator->readData(inputPattern->getOffset(), compressedData.data(), compressedData.size(), inputPattern->getSection());
+
+            auto inArchive = archive_read_new();
+            ON_SCOPE_EXIT {
+                archive_read_close(inArchive);
+                archive_read_free(inArchive);
+            };
+
+            archive_read_support_filter_all(inArchive);
+            archive_read_support_format_raw(inArchive);
+
+            archive_read_open_memory(inArchive, compressedData.data(), compressedData.size());
+
+            archive_entry *entry = nullptr;
+            while (archive_read_next_header(inArchive, &entry) == ARCHIVE_OK) {
+                const void *block = nullptr;
+                size_t size = 0x00;
+                i64 offset = 0x00;
+
+                while (archive_read_data_block(inArchive, &block, &size, &offset) == ARCHIVE_OK) {
+                    section.resize(section.size() + size);
+                    std::memcpy(section.data(), block, size);
+                }
+            }
+
+            return std::nullopt;
+        });
+    }
+
+}

plugins/decompress/source/plugin_decompress.cpp

@@ -0,0 +1,21 @@
+#include <hex/plugin.hpp>
+
+#include <hex/api/content_registry.hpp>
+#include <hex/helpers/logger.hpp>
+
+#include <romfs/romfs.hpp>
+
+namespace hex::plugin::decompress {
+
+    void registerPatternLanguageFunctions();
+
+}
+
+using namespace hex;
+using namespace hex::plugin::decompress;
+
+IMHEX_PLUGIN_SETUP("Decompressing", "WerWolv", "Support for decompressing data") {
+    hex::log::debug("Using romfs: '{}'", romfs::name());
+
+    registerPatternLanguageFunctions();
+}