1 files changed, 53 insertions, 0 deletions
diff --git a/site_scons/site_tools/jsheader.py b/site_scons/site_tools/jsheader.py
new file mode 100644
index 00000000000..c271948599b
--- /dev/null
+++ b/site_scons/site_tools/jsheader.py
@@ -0,0 +1,53 @@
+import os
+
+from SCons.Builder import Builder
+
+def jsToH(target, source, env):
+
+    outFile = str( target[0] )
+
+    h =  ['#include "bson/stringdata.h"'
+        ,'namespace mongo {'
+        ,'struct JSFile{ const char* name; const StringData& source; };'
+        ,'namespace JSFiles{'
+         ]
+
+    def cppEscape(s):
+        s = s.strip()
+        s = s.replace( '\\', '\\\\' )
+        s = s.replace( '"', r'\"' )
+        return s
+
+    for s in source:
+        filename = str(s)
+        objname = os.path.split(filename)[1].split('.')[0]
+        stringname = '_jscode_raw_' + objname
+
+        h.append('const StringData ' + stringname + " = ")
+
+        for l in open( filename, 'r' ):
+            h.append( '"' + cppEscape(l) + r'\n" ' )
+
+        h.append(";")
+        h.append('extern const JSFile %s;'%objname) #symbols aren't exported w/o this
+        h.append('const JSFile %s = { "%s", %s };'%(objname, filename.replace('\\', '/'), stringname))
+
+    h.append("} // namespace JSFiles")
+    h.append("} // namespace mongo")
+    h.append("")
+
+    text = '\n'.join(h);
+
+    out = open( outFile, 'wb' )
+    try:
+        out.write( text )
+    finally:
+        out.close()
+
+jshBuilder = Builder( action=jsToH )
+
+def generate(env, **kw):
+    env.Append( BUILDERS=dict( JSHeader=jshBuilder ) )
+
+def exists(env):
+    return True