Update Sketch.save_as to create directory if it does not exist using Boost::Filesystem

.travis.yml

@@ -10,12 +10,13 @@ matrix:
         apt:
           sources:
             - ubuntu-toolchain-r-test
+            - boost-latest
             - george-edison55-precise-backports 
           packages:
             - cmake
             - cmake-data
             - g++-6
-            #- lcov
+            - libboost1.55-all-dev
 
 before_install:
   - mkdir -p $HOME/bin

CMakeLists.txt

@@ -5,6 +5,9 @@ project(Oersted)
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14")
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -g -O0 --coverage")
 
+find_package(Boost REQUIRED COMPONENTS system filesystem)
+include_directories(${Boost_INCLUDE_DIR})
+
 include_directories(./lib/ ./lib/Eigen/ ./lib/GoogleTest/googletest/include/gtest)
 add_subdirectory(./lib/)
 

src/Sketch/CMakeLists.txt

@@ -18,4 +18,6 @@ set(SOURCE_FILES
 
         ./src/Contour.h ./src/Contour.cpp)
 
-add_library(sketch STATIC ${SOURCE_FILES})
\ No newline at end of file
+add_library(sketch STATIC ${SOURCE_FILES})
+
+target_link_libraries(sketch ${Boost_LIBRARIES})
\ No newline at end of file

src/Sketch/src/Sketch.cpp

@@ -76,12 +76,18 @@ void Sketch::add_element(Pattern &p) {
 }
 
 template<>
-void Sketch::save_as<SaveMethod::Rasterize>(std::string file_name) const {
+void Sketch::save_as<SaveMethod::Rasterize>(std::string path, std::string file_name) const {
     /*
         This is a stub for visualization
     */
+
+    boost::filesystem::path dir(path);
+    if(!boost::filesystem::exists(path)) {
+        boost::filesystem::create_directories(path);
+    }
+
     std::fstream fs;
-    fs.open(file_name, std::fstream::out);
+    fs.open(path + file_name, std::fstream::out);
     for (size_t i = 0; i < Curves.size(); ++i) {
         if (!Curves[i]->ForConstruction) {
             for (size_t j = 0; j <= 10; ++j) {

src/Sketch/src/Sketch.h

@@ -10,9 +10,10 @@
 #include <algorithm>
 #include <numeric>
 #include <cfloat>
-
 #include "Eigen"
 
+#include <boost/filesystem.hpp>
+
 class Sketch;
 
 // Sketch Parameter
@@ -174,7 +175,7 @@ public:
 
     // Save Functions
     template<SaveMethod S>
-    void save_as(std::string file_name) const;
+    void save_as(std::string path, std::string file_name) const;
 
 private:
     // SketchParameter

test/Sketch/test_Star.cpp

@@ -399,7 +399,7 @@ TEST(STAR, CONSTRUCTION_LINES) {
     s.solve();
     s.build();
 
-    s.save_as<SaveMethod::Rasterize>("./output/Star/construction_lines_0.csv");
+    s.save_as<SaveMethod::Rasterize>("./test/output/Star/", "construction_lines_0.csv");
 
     EXPECT_TRUE(s.size_contours() == 1);
     EXPECT_TRUE(s.contour(0)->size() == 4);