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[biaweb2.git] / biawebutil.hpp

diff --git a/biawebutil.hpp b/biawebutil.hpp
index 36aa0df..b519615 100644 (file)
--- a/biawebutil.hpp
+++ b/biawebutil.hpp
@@ -1,10 +1,40 @@
 #ifndef __BIAWEBUTIL__
 #define __BIAWEBUTIL__
 #include <string>
+// "discount" markdown library is a C library and hence requires to be wrapped in 
+// extern "C"
+extern "C" {
+    #include <mkdio.h>
+}
 
 // utility functions for Biaweb that don't fit into any class and can be used by 
 // any class
 namespace biaweb {
+    // convert markdown
+
+    std::string convert_to_markdown (std::string str) {
+        // discount is a C library and it doesn't work well with C++ streams
+        // and there seems no way to get the output of any of these functions
+        // into an std::string. 
+        // the only option seems to be to write the output of the markdown()
+        // function to a temporary working file and then read it back into C++ 
+        // with the normal std::ifstream and feed it into the std::string 
+        // till a cleaner solution can be found. 
+        MMIOT *doc;
+        doc = mkd_string (str.c_str(), str.size(), 0);
+        FILE *f = fopen (".biaweb.tmp", "w");
+        markdown (doc, f, 0);
+        fclose (f);
+        std::ifstream ftmp (".biaweb.tmp");
+        std::string tmpl ( (std::istreambuf_iterator<char> (ftmp)),
+                            (std::istreambuf_iterator<char> ())
+                                );
+        ftmp.close ();
+        mkd_cleanup (doc);
+        remove (".biaweb.tmp");
+        return tmpl;
+    }
+
     // convert a document title to a file title - strip out the non-alpha
     // chars and spaces
     std::string convert_title (std::string title)