new classes: resource, tilemap, animation

[chaz/yoink] / src / resource.cc

diff --git a/src/resource.cc b/src/resource.cc
new file mode 100644 (file)
index 0000000..758827c
--- /dev/null
+++ b/src/resource.cc
@@ -0,0 +1,88 @@
+
+/*******************************************************************************
+
+ Copyright (c) 2009, Charles McGarvey
+ All rights reserved.
+ 
+ Redistribution   and   use  in  source  and  binary  forms,  with  or  without
+ modification, are permitted provided that the following conditions are met:
+ 
+   * Redistributions  of  source  code  must retain the above copyright notice,
+     this list of conditions and the following disclaimer.
+   * Redistributions  in binary form must reproduce the above copyright notice,
+     this  list of conditions and the following disclaimer in the documentation
+     and/or other materials provided with the distribution.
+ 
+ THIS  SOFTWARE  IS  PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ AND  ANY  EXPRESS  OR  IMPLIED  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ DISCLAIMED.  IN  NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ DAMAGES  (INCLUDING,  BUT  NOT  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ SERVICES;  LOSS  OF  USE,  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ CAUSED  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ OR  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*******************************************************************************/
+
+#include <unistd.h>
+
+#include "resource.hh"
+
+
+namespace dc {
+
+
+std::vector<std::string> resource::searchPaths_;
+
+
+resource::resource(const std::string& name) throw(exception)
+{
+       filePath_ = getPathToResource(name);
+
+       if (!filePath_.empty())
+       {
+               throw exception("cannot find resource file " + name);
+       }
+}
+
+resource::~resource() {}
+
+
+const std::string& resource::getPathToFile()
+{
+       return filePath_;
+}
+
+void resource::addSearchPath(const std::string& directory)
+{
+       if (directory[directory.length() - 1] != '/')
+       {
+               searchPaths_.push_back(directory + '/');
+       }
+       else
+       {
+               searchPaths_.push_back(directory);
+       }
+}
+
+std::string resource::getPathToResource(const std::string& name)
+{
+       std::vector<std::string>::iterator i;
+
+       for (i = searchPaths_.begin(); i != searchPaths_.end(); i++)
+       {
+               const char* fullPath = ((*i) + name).c_str();
+               if (access(fullPath, R_OK) == 0)
+               {
+                       return std::string(fullPath);
+               }
+       }
+
+       return std::string();
+}
+
+
+} // namespace dc
+