lib: Add zlibutil library and test script

scripts/build.sh

@@ -62,7 +62,7 @@ COMPILE_COMMANDS=(
     "$CXX_WITH_FLAGS src/tools/dumpnbt.cpp -I./include -Lbin/lib -l:nbt.so -l:cli.so -o bin/tools/dumpnbt"
     "$CXX_WITH_FLAGS src/tools/arraydump.cpp -I./include -Lbin/lib -l:file.so -l:cli.so -o bin/tools/arraydump"
     "$CXX_WITH_FLAGS src/tools/baseconvert.cpp -I./include -Lbin/lib -l:cli.so -o bin/tools/baseconvert"
-    "$CXX_WITH_FLAGS src/tools/zlibutil.cpp -I./include -Lbin/lib -l:cli.so -l:libz.so -l:file.so -o bin/tools/zlibutil"
+    "$CXX_WITH_FLAGS src/tools/zlibutil.cpp -I./include -Lbin/lib -l:cli.so -l:libz.so -l:file.so -l:zlibutil.so -o bin/tools/zlibutil"
     "$CXX_WITH_FLAGS -pthread src/tools/hexnet.cpp -I./include -Lbin/lib -l:cli.so -l:libsockpp.so -o bin/tools/hexnet"
     "$CXX_WITH_FLAGS -DFOSSVG_DEBUG src/fossvg.cpp -I./include -Lbin/lib -l:file.so -l:cli.so -lglfw -lvulkan -o bin/fossvg"
     "$CXX_WITH_FLAGS src/fossvgd.cpp -I./include -Lbin/lib -l:cli.so -o bin/fossvgd"

scripts/test/zlibutil.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+echo "================================================================================"
+echo -n "Testing \`zlibutil\`... "
+
+
+echo "abc" >> testfile
+
+bin/tools/zlibutil -c testfile
+
+if [ "$(bin/tools/arraydump --binary testfile.compressed)" = "{0b01111000, 0b10011100, 0b01001011, 0b01001100, 0b01001010, 0b11100110, 0b00000010, 0b00000000, 0b00000011, 0b01111110, 0b00000001, 0b00110001}" ]; then
+    echo -n "Compression Test: PASS... "
+else
+    echo -n "Compression Test: FAILED... "
+fi
+
+bin/tools/zlibutil -d testfile.compressed
+
+if [ "$(bin/tools/arraydump --binary testfile.compressed.uncompressed)" = "{0b01100001, 0b01100010, 0b01100011, 0b00001010}" ]; then
+    echo "Decompression Test: PASS"
+else
+    echo "Decompression Test: FAILED"
+fi
+
+rm testfile testfile.compressed testfile.compressed.uncompressed
+
+echo "================================================================================"

src/lib/zlibutil.cpp

@@ -0,0 +1,107 @@
+// Copyright 2022, FOSS-VG Developers and Contributers
+//
+// Author(s):
+//  Jocadbz
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// version 3 along with this program.
+// If not, see https://www.gnu.org/licenses/agpl-3.0.en.html
+
+#include "../lib/zlibutil.hpp" 
+
+#include <bitset>
+#include <iomanip>
+#include <iostream>
+#include <vector>
+#include <tinyutf8/tinyutf8.h>
+#include <zlib/zlib.h>
+#include <cstring>
+
+#include "../lib/cli.hpp"
+#include "../lib/file.hpp"
+
+#define EXIT_SUCCESS 0
+#define EXIT_RUNTIME 1
+#define EXIT_USAGE   2
+
+#include <iostream>
+#include <fstream>
+#include <vector>
+#include <zlib.h>
+
+#define CHUNK_SIZE 16384 // Chunk size
+
+
+std::vector<char> compressData(const char* data, int size) {
+    z_stream zs;
+    memset(&zs, 0, sizeof(zs));
+
+    if (deflateInit(&zs, Z_DEFAULT_COMPRESSION) != Z_OK)
+        throw(std::runtime_error("deflateInit failed while compressing."));
+
+    zs.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(data));
+    zs.avail_in = size;
+
+    int ret;
+    char outbuffer[CHUNK_SIZE];
+    std::vector<char> compressedData;
+
+    do {
+        zs.next_out = reinterpret_cast<Bytef*>(outbuffer);
+        zs.avail_out = CHUNK_SIZE;
+
+        ret = deflate(&zs, Z_FINISH);
+
+        if (compressedData.size() < zs.total_out)
+            compressedData.insert(compressedData.end(), outbuffer, outbuffer + CHUNK_SIZE - zs.avail_out);
+    } while (ret == Z_OK);
+
+    deflateEnd(&zs);
+
+    if (ret != Z_STREAM_END)
+        throw(std::runtime_error("Error while compressing: " + std::to_string(ret)));
+
+    return compressedData;
+}
+
+
+std::vector<char> decompressData(const char* data, int size) {
+    z_stream zs;
+    memset(&zs, 0, sizeof(zs));
+
+    if (inflateInit(&zs) != Z_OK)
+        throw(std::runtime_error("inflateInit failed while decompressing."));
+
+    zs.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(data));
+    zs.avail_in = size;
+
+    int ret;
+    char outbuffer[CHUNK_SIZE];
+    std::vector<char> decompressedData;
+
+    do {
+        zs.next_out = reinterpret_cast<Bytef*>(outbuffer);
+        zs.avail_out = CHUNK_SIZE;
+
+        ret = inflate(&zs, 0);
+
+        if (decompressedData.size() < zs.total_out)
+            decompressedData.insert(decompressedData.end(), outbuffer, outbuffer + CHUNK_SIZE - zs.avail_out);
+    } while (ret == Z_OK);
+
+    inflateEnd(&zs);
+
+    if (ret != Z_STREAM_END)
+        throw(std::runtime_error("Error while decompressing: " + std::to_string(ret)));
+
+    return decompressedData;
+}

src/lib/zlibutil.hpp

@@ -0,0 +1,27 @@
+// Copyright 2024, FOSS-VG Developers and Contributers
+//
+// Author(s):
+//  Jocadbz
+//
+// This program is free software: you can redistribute it and/or modify it
+// under the terms of the GNU Affero General Public License as published
+// by the Free Software Foundation, version 3.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU Affero General Public License for more details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// version 3 along with this program.
+// If not, see https://www.gnu.org/licenses/agpl-3.0.en.html
+
+#include <vector>
+
+#ifndef ZLIBUTIL_H
+#define ZLIBUTIL_H
+
+std::vector<char> compressData(const char* data, int size);
+std::vector<char> decompressData(const char* data, int size);
+
+#endif // ZLIBUTIL_H

src/tools/zlibutil.cpp

@@ -1,4 +1,4 @@
-// Copyright 2022, FOSS-VG Developers and Contributers
+// Copyright 2024, FOSS-VG Developers and Contributers
 //
 // Author(s):
 //  Jocadbz
@@ -26,83 +26,13 @@
 
 #include "../lib/cli.hpp"
 #include "../lib/file.hpp"
+#include "../lib/zlibutil.hpp"
 
 #define EXIT_SUCCESS 0
 #define EXIT_RUNTIME 1
 #define EXIT_USAGE   2
 
-#include <iostream>
-#include <fstream>
-#include <vector>
-#include <zlib.h>
 
-#define CHUNK_SIZE 16384 // Chunk size
-
-
-std::vector<char> compressData(const char* data, int size) {
-    z_stream zs;
-    memset(&zs, 0, sizeof(zs));
-
-    if (deflateInit(&zs, Z_DEFAULT_COMPRESSION) != Z_OK)
-        throw(std::runtime_error("deflateInit failed while compressing."));
-
-    zs.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(data));
-    zs.avail_in = size;
-
-    int ret;
-    char outbuffer[CHUNK_SIZE];
-    std::vector<char> compressedData;
-
-    do {
-        zs.next_out = reinterpret_cast<Bytef*>(outbuffer);
-        zs.avail_out = CHUNK_SIZE;
-
-        ret = deflate(&zs, Z_FINISH);
-
-        if (compressedData.size() < zs.total_out)
-            compressedData.insert(compressedData.end(), outbuffer, outbuffer + CHUNK_SIZE - zs.avail_out);
-    } while (ret == Z_OK);
-
-    deflateEnd(&zs);
-
-    if (ret != Z_STREAM_END)
-        throw(std::runtime_error("Error while compressing: " + std::to_string(ret)));
-
-    return compressedData;
-}
-
-
-std::vector<char> decompressData(const char* data, int size) {
-    z_stream zs;
-    memset(&zs, 0, sizeof(zs));
-
-    if (inflateInit(&zs) != Z_OK)
-        throw(std::runtime_error("inflateInit failed while decompressing."));
-
-    zs.next_in = reinterpret_cast<Bytef*>(const_cast<char*>(data));
-    zs.avail_in = size;
-
-    int ret;
-    char outbuffer[CHUNK_SIZE];
-    std::vector<char> decompressedData;
-
-    do {
-        zs.next_out = reinterpret_cast<Bytef*>(outbuffer);
-        zs.avail_out = CHUNK_SIZE;
-
-        ret = inflate(&zs, 0);
-
-        if (decompressedData.size() < zs.total_out)
-            decompressedData.insert(decompressedData.end(), outbuffer, outbuffer + CHUNK_SIZE - zs.avail_out);
-    } while (ret == Z_OK);
-
-    inflateEnd(&zs);
-
-    if (ret != Z_STREAM_END)
-        throw(std::runtime_error("Error while decompressing: " + std::to_string(ret)));
-
-    return decompressedData;
-}
 
 /*
 Finnaly, the main file