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kamchatka-volcanokamchatka-volcano
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1 parent ecabf9a commit 2d7df33

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+289
-1
lines changed

‎examples_static_refl/CMakeLists.txt

+23-1
Original file line numberDiff line numberDiff line change
@@ -1,7 +1,7 @@
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cmake_minimum_required(VERSION 3.18)
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project(figcone_examples_static_refl)
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4-
file(GLOB SRC_FILES "../examples/*.cpp")
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file(GLOB SRC_FILES "../examples/demo_*.cpp")
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foreach(SRC_FILE ${SRC_FILES})
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SealLake_StringAfterLast(${SRC_FILE} "/" TEST_NAME)
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SealLake_StringBeforeLast(${TEST_NAME} "." TEST_NAME)
@@ -16,4 +16,26 @@ foreach(SRC_FILE ${SRC_FILES})
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figcone::figcone
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)
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target_compile_definitions(${TEST_NAME}_static_refl PUBLIC "FIGCONE_EXAMPLE_STATIC_REFLECTION")
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endforeach()
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set(EXAMPLE_SRC
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ex01_static_refl.cpp
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ex02_static_refl.cpp
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ex03_static_refl.cpp
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ex04_static_refl.cpp
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ex05_static_refl.cpp
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)
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foreach(SRC_FILE ${EXAMPLE_SRC})
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SealLake_StringAfterLast(${SRC_FILE} "/" TEST_NAME)
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SealLake_StringBeforeLast(${TEST_NAME} "." TEST_NAME)
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SealLake_Executable(
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NAME ${TEST_NAME}
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SOURCES ${SRC_FILE}
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COMPILE_FEATURES cxx_std_20
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PROPERTIES
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CXX_EXTENSIONS OFF
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LIBRARIES
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figcone::figcone
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)
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endforeach()

‎examples_static_refl/ex01_static_refl.cpp

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@@ -0,0 +1,40 @@
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#include "figcone/config.h"
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#include "figcone/configreader.h"
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#include <filesystem>
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#include <iostream>
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#include <vector>
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struct ThumbnailCfg {
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int maxWidth;
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int maxHeight;
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};
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struct PhotoViewerCfg {
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std::filesystem::path rootDir;
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std::vector<std::string> supportedFiles;
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ThumbnailCfg thumbnailSettings;
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};
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int main()
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{
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auto cfgReader = figcone::ConfigReader{};
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auto cfg = cfgReader.readToml<PhotoViewerCfg>(R"(
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rootDir = "~/Photos"
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supportedFiles = [".jpg", ".png"]
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[thumbnailSettings]
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maxWidth = 256
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maxHeight = 256
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)");
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//At this point your config is ready to use
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std::cout << "Launching PhotoViewer in directory " << cfg.rootDir << std::endl;
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if (!cfg.supportedFiles.empty())
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std::cout << "Supported files:" << std::endl;
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for (const auto& file : cfg.supportedFiles)
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std::cout << " " << file << std::endl;
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std::cout << "Thumbnail settings:" << std::endl;
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std::cout << " Max width:" << cfg.thumbnailSettings.maxWidth << std::endl;
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std::cout << " Max height:" << cfg.thumbnailSettings.maxHeight << std::endl;
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return 0;
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}

‎examples_static_refl/ex02_static_refl.cpp

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,40 @@
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#include <figcone/config.h>
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#include <figcone/configreader.h>
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#include <filesystem>
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#include <iostream>
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#include <vector>
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struct ThumbnailCfg {
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int maxWidth;
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int maxHeight;
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};
11+
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struct PhotoViewerCfg {
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std::filesystem::path rootDir;
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std::vector<std::string> supportedFiles;
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ThumbnailCfg thumbnailSettings;
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};
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int main()
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{
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auto cfgReader = figcone::ConfigReader{figcone::NameFormat::SnakeCase};
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auto cfg = cfgReader.readToml<PhotoViewerCfg>(R"(
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root_dir = "/home/kamchatka-volcano/photos"
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supported_files = [".jpg", ".png"]
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[thumbnail_settings]
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max_width = 256
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max_height = 256
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)");
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//At this point your config is ready to use
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std::cout << "Launching PhotoViewer in directory " << cfg.rootDir << std::endl;
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if (!cfg.supportedFiles.empty())
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std::cout << "Supported files:" << std::endl;
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for (const auto& file : cfg.supportedFiles)
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std::cout << " " << file << std::endl;
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std::cout << "Thumbnail settings:" << std::endl;
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std::cout << " Max width:" << cfg.thumbnailSettings.maxWidth << std::endl;
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std::cout << " Max height:" << cfg.thumbnailSettings.maxHeight << std::endl;
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return 0;
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}

‎examples_static_refl/ex03_static_refl.cpp

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1+
#include <figcone/config.h>
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#include <figcone/configreader.h>
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#include <figcone/shortmacros.h> //enables macros without FIGCONE_ prefix
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#include <filesystem>
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#include <iostream>
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#include <map>
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#include <vector>
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struct Host {
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std::string ip;
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int port;
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};
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namespace figcone {
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template<>
16+
struct StringConverter<Host> {
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static std::optional<Host> fromString(const std::string& data)
18+
{
19+
auto delimPos = data.find(':');
20+
if (delimPos == std::string::npos)
21+
return {};
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auto host = Host{};
23+
host.ip = data.substr(0, delimPos);
24+
host.port = std::stoi(data.substr(delimPos + 1, data.size() - delimPos - 1));
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return host;
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}
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};
28+
} //namespace figcone
29+
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struct SharedAlbumCfg {
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std::filesystem::path dir;
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std::string name;
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std::vector<Host> hosts;
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};
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struct PhotoViewerCfg {
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std::filesystem::path rootDir;
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std::vector<std::string> supportedFiles;
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std::vector<SharedAlbumCfg> sharedAlbums;
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std::map<std::string, std::string> envVars;
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using traits = figcone::FieldTraits<figcone::OptionalField<&PhotoViewerCfg::envVars>>;
42+
};
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int main()
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{
46+
auto cfgReader = figcone::ConfigReader{};
47+
auto cfg = cfgReader.readYaml<PhotoViewerCfg>(R"(
48+
rootDir: ~/Photos
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supportedFiles: [ ".jpg", "png"]
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sharedAlbums:
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-
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dir: "summer_2019"
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name: "Summer 2019"
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hosts: ["127.0.0.1:8080"]
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)");
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std::cout << "Launching PhotoViewer in directory " << cfg.rootDir << std::endl;
58+
59+
if (!cfg.supportedFiles.empty())
60+
std::cout << "Supported files:" << std::endl;
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for (const auto& file : cfg.supportedFiles)
62+
std::cout << " " << file << std::endl;
63+
64+
if (!cfg.sharedAlbums.empty())
65+
std::cout << "Shared albums:" << std::endl;
66+
for (const auto& album : cfg.sharedAlbums) {
67+
std::cout << " Album:" << album.name << std::endl;
68+
std::cout << " Hosts:" << std::endl;
69+
for (const auto& host : album.hosts)
70+
std::cout << " " << host.ip << ":" << host.port << std::endl;
71+
}
72+
73+
return 0;
74+
}

‎examples_static_refl/ex04_static_refl.cpp

+59
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,59 @@
1+
#include <figcone/config.h>
2+
#include <figcone/configreader.h>
3+
#include <figcone/shortmacros.h>
4+
#include <filesystem>
5+
#include <iostream>
6+
#include <map>
7+
#include <vector>
8+
9+
struct NotEmpty {
10+
template<typename TList>
11+
void operator()(const TList& list)
12+
{
13+
if (!list.empty())
14+
throw figcone::ValidationError{"can't be empty."};
15+
}
16+
};
17+
18+
struct PathExists {
19+
void operator()(const std::filesystem::path& path)
20+
{
21+
if (!std::filesystem::exists(path))
22+
throw figcone::ValidationError{"a path must exist"};
23+
}
24+
};
25+
26+
struct PhotoViewerCfg {
27+
std::filesystem::path rootDir;
28+
std::vector<std::string> supportedFiles;
29+
std::map<std::string, std::string> envVars;
30+
31+
using traits = figcone::FieldTraits<
32+
figcone::ValidatedField<&PhotoViewerCfg::rootDir, PathExists>,
33+
figcone::ValidatedField<&PhotoViewerCfg::supportedFiles, NotEmpty>,
34+
figcone::OptionalField<&PhotoViewerCfg::envVars>>;
35+
};
36+
37+
int main()
38+
{
39+
try {
40+
auto cfgReader = figcone::ConfigReader{};
41+
auto cfg = cfgReader.readYaml<PhotoViewerCfg>(R"(
42+
rootDir: ~/Photos
43+
supportedFiles: []
44+
)");
45+
46+
std::cout << "Launching PhotoViewer in directory " << cfg.rootDir << std::endl;
47+
48+
if (!cfg.supportedFiles.empty())
49+
std::cout << "Supported files:" << std::endl;
50+
for (const auto& file : cfg.supportedFiles)
51+
std::cout << " " << file << std::endl;
52+
53+
return 0;
54+
}
55+
catch (const figcone::ConfigError& e) {
56+
std::cout << "Config error:" << e.what();
57+
return 1;
58+
}
59+
}

‎examples_static_refl/ex05_static_refl.cpp

+53
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@@ -0,0 +1,53 @@
1+
#include <figcone/config.h>
2+
#include <figcone/configreader.h>
3+
#include <algorithm>
4+
#include <filesystem>
5+
#include <iostream>
6+
#include <vector>
7+
8+
9+
struct ThumbnailCfg {
10+
int maxWidth;
11+
int maxHeight;
12+
};
13+
14+
struct PhotoViewerCfg {
15+
std::filesystem::path rootDir;
16+
std::vector<std::string> supportedFiles;
17+
ThumbnailCfg thumbnailSettings;
18+
};
19+
20+
namespace figcone {
21+
template<>
22+
void PostProcessor<PhotoViewerCfg>::operator()(PhotoViewerCfg& cfg)
23+
{
24+
auto supportPng = std::find(cfg.supportedFiles.begin(), cfg.supportedFiles.end(), ".png") !=
25+
cfg.supportedFiles.end();
26+
if (supportPng && cfg.thumbnailSettings.maxWidth > 128)
27+
throw ValidationError{"thumbnail width can't be larger than 128px when png images are present"};
28+
}
29+
} //namespace figcone
30+
31+
int main()
32+
{
33+
auto cfgReader = figcone::ConfigReader{};
34+
auto cfg = cfgReader.readToml<PhotoViewerCfg>(R"(
35+
rootDir = "~/Photos"
36+
supportedFiles = [".jpg", ".png"]
37+
[thumbnailSettings]
38+
maxWidth = 256
39+
maxHeight = 256
40+
)");
41+
//At this point your config is ready to use
42+
std::cout << "Launching PhotoViewer in directory " << cfg.rootDir << std::endl;
43+
44+
if (!cfg.supportedFiles.empty())
45+
std::cout << "Supported files:" << std::endl;
46+
for (const auto& file : cfg.supportedFiles)
47+
std::cout << " " << file << std::endl;
48+
49+
std::cout << "Thumbnail settings:" << std::endl;
50+
std::cout << " Max width:" << cfg.thumbnailSettings.maxWidth << std::endl;
51+
std::cout << " Max height:" << cfg.thumbnailSettings.maxHeight << std::endl;
52+
return 0;
53+
}

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