adding img and opencv

.github/workflows/ci.yml

@@ -9,5 +9,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
+      - name: Install Deps
+        run: sudo apt -y install libopencv-dev
       - name: Build
         run: mkdir build && cd build && ../cbuild

.vscode/launch.json

@@ -0,0 +1,20 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "dbg img",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build/kc",
+            "args": ["img"],
+            "environment": [{ "name": "config", "value": "Debug" }],
+            "cwd": "${workspaceFolder}/build",
+            "osx": {
+                "MIMode": "lldb"
+            }
+        }
+    ]
+}

src/CMakeLists.txt

@@ -1,5 +1,6 @@
 add_executable(kc 
   main.cpp
+  appcontext.cpp
   fs/fs.cpp
   fs/FileEntry.cpp
   parse/Link.cpp
@@ -8,6 +9,7 @@
   valid/link.cpp
   logging.cpp
   config.cpp
+  image/img.cpp
 )
 
 FetchContent_Declare(
@@ -17,4 +19,7 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(Boost)
 
-target_link_libraries(kc PRIVATE Boost::program_options Boost::log Boost::date_time Boost::filesystem Boost::system Boost::thread Boost::log_setup Boost::chrono Boost::atomic)
+find_package( OpenCV REQUIRED )
+include_directories( ${OpenCV_INCLUDE_DIRS} )
+
+target_link_libraries(kc PRIVATE Boost::program_options Boost::log Boost::date_time Boost::filesystem Boost::system Boost::thread Boost::log_setup Boost::chrono Boost::atomic ${OpenCV_LIBS})

src/appcontext.cpp

@@ -0,0 +1,41 @@
+#include "appcontext.hpp"
+
+#include "config.hpp"
+#include "logging.hpp"
+
+namespace kc {
+
+AppContext::AppContext()
+{
+
+}
+
+void AppContext::load_config(int argc, const char *argv[])
+{
+    config = init_config(argc, argv);
+    config_loaded = true;
+}
+
+void AppContext::load_and_parse_cache()
+{
+    auto env_path = (*config)["path"].as<std::string>();
+    print_and_log("> Loading knowledge base from " + env_path);
+
+    file_cache = std::make_shared<kc::FileContextCache>();
+    file_cache->load(env_path);
+    file_cache->parse_all();
+}
+
+std::string AppContext::command()
+{
+    if (config->count("command") == 1)
+    {
+        return (*config)["command"].as<std::string>();
+    }
+    else
+    {
+        return "";
+    }
+}
+
+}

src/appcontext.hpp

@@ -0,0 +1,31 @@
+#pragma once
+
+#include <memory>
+#include <string>
+
+#include <boost/program_options.hpp>
+
+#include "parse/FileContextCache.hpp"
+
+namespace kc {
+
+class AppContext {
+public:
+
+    std::shared_ptr<boost::program_options::variables_map> config;
+    std::shared_ptr<kc::FileContextCache> file_cache;
+
+    AppContext();
+
+    void load_config(int argc, const char *argv[]);
+    void load_and_parse_cache();
+
+    std::string command();
+
+private:
+
+    bool config_loaded;
+
+};
+
+}

src/config.cpp

@@ -14,6 +14,7 @@ std::shared_ptr<po::variables_map> init_config(int argc, const char *argv[])
             ("help", "produce help message")
             ("path,p", po::value<std::string>()->default_value("."), "set root path of knowledge base")
             ("config", po::value<std::string>()->default_value("kc.ini"), "config file location")
+            ("out,o", po::value<std::string>()->default_value("."), "output file location")
             ("command", po::value<std::string>(), "command to execute")
             ("subargs", po::value<std::vector<std::string> >(), "Arguments for command")
             ("index", po::value<int>()->default_value(1), "index")

src/image/img.cpp

@@ -0,0 +1,25 @@
+#include "img.hpp"
+
+namespace kc {
+
+void image_proc(const std::vector<std::shared_ptr<kc::FileContext>> &contexts)
+{
+    for (auto const context: contexts)
+    {
+        if (context->images.size() > 0)
+        {
+            auto img = context->images[0];
+            auto composed_path = context->abs_path(img);
+
+            cv::Mat image;  // variable image of datatype Matrix
+            image = cv::imread(composed_path);
+
+            cv::imshow(img.link, image);
+            cv::waitKey(0);
+
+            break;
+        }
+    }
+}
+
+}

src/image/img.hpp

@@ -0,0 +1,14 @@
+# pragma once
+
+#include <memory>
+#include <vector>
+
+#include <opencv2/opencv.hpp>
+
+#include "../parse/FileContext.hpp"
+
+namespace kc {
+
+void image_proc(const std::vector<std::shared_ptr<kc::FileContext>> &contexts);
+
+}

src/main.cpp

@@ -8,11 +8,14 @@
 #include "const.hpp"
 #include "logging.hpp"
 #include "config.hpp"
+#include "appcontext.hpp"
 #include "fs/fs.hpp"
 #include "parse/FileContextCache.hpp"
 #include "valid/link.hpp"
+#include "image/img.hpp"
 
-void run_validate(std::shared_ptr<boost::program_options::variables_map> config);
+void run_validate(kc::AppContext app_context);
+void run_img(kc::AppContext app_context);
 
 
 int main(int argc, const char *argv[]) {
@@ -24,17 +27,23 @@ int main(int argc, const char *argv[]) {
     BOOST_LOG_TRIVIAL(info) << "================================";
     BOOST_LOG_TRIVIAL(info) << "Starting up....";
 
-    auto config = init_config(argc, argv);
+    kc::AppContext app_context;
+    app_context.load_config(argc, argv);
 
-    if(config)
+    if(app_context.config)
     {
-        if (config->count("command") == 1)
+        auto command = app_context.command();
+        if (!command.empty())
         {
-            auto command = (*config)["command"].as<std::string>();
-
             if (command == "validate")
             {
-                run_validate(config);
+                app_context.load_and_parse_cache();
+                run_validate(app_context);
+            }
+            else if (command == "img")
+            {
+                app_context.load_and_parse_cache();
+                run_img(app_context);
             }
         }
         else
@@ -49,14 +58,12 @@ int main(int argc, const char *argv[]) {
     return 1;
 }
 
-void run_validate(std::shared_ptr<boost::program_options::variables_map> config)
+void run_validate(kc::AppContext app_context)
 {
-    auto env_path = (*config)["path"].as<std::string>();
-    print_and_log("> Loading knowledge base from " + env_path);
+    kc::validate_links(app_context.file_cache->get());
+}
 
-    auto file_cache = kc::FileContextCache();
-    file_cache.load(env_path);
-    file_cache.parse_all();
-
-    kc::validate_links(file_cache.get());
+void run_img(kc::AppContext app_context)
+{
+    kc::image_proc(app_context.file_cache->get());
 }

src/parse/FileContext.cpp

@@ -37,7 +37,11 @@ void FileContext::parse()
         file_content = image_match.suffix();
     }
 
+#if __APPLE__
     std::regex tag_regex(MD_TAG_REGEX, std::regex::multiline);
+#else
+    std::regex tag_regex(MD_TAG_REGEX);
+#endif
     file_content = file_entry->get_content();
     std::smatch tag_match;
     while(std::regex_search(file_content, tag_match, tag_regex)) {
@@ -48,4 +52,9 @@ void FileContext::parse()
 
 }
 
+std::filesystem::path FileContext::abs_path(kc::Link link)
+{
+    return file_entry->file_entry.path().parent_path() / fs::path(link.link);
+}
+
 }

src/parse/FileContext.hpp

@@ -3,6 +3,7 @@
 #include <vector>
 #include <memory>
 #include <regex>
+#include <filesystem>
 
 #include "../fs/FileEntry.hpp"
 #include "Link.hpp"
@@ -21,6 +22,7 @@ class FileContext {
     std::vector<std::string> tags;
 
     void parse();
+    std::filesystem::path abs_path(kc::Link link);
 
     private:
 

src/valid/link.cpp

@@ -23,7 +23,7 @@ std::vector<kc::FileLinkStateResult> validate_links(const std::vector<std::share
             {
                 if(!link.is_external()) {
                     
-                    auto composed = context->file_entry->file_entry.path().parent_path() / fs::path(link.link);
+                    auto composed = context->abs_path(link);
 
                     auto entry = fs::directory_entry(composed);