Change the parameter parser to Piraha

git-svn-id: http://svn.cactuscode.org/flesh/trunk@4960 17b73243-c579-4c4c-a9d2-2d5706c11dac

1 files changed, 18 insertions, 0 deletions

diff --git a/src/piraha/Literal.cc b/src/piraha/Literal.cc
new file mode 100644
index 00000000..eedae466
--- /dev/null
+++ b/src/piraha/Literal.cc
@@ -0,0 +1,18 @@
+#include "Piraha.hpp"
+
+bool Literal::match(Matcher *m) {
+    if(m->pos - m->input_size >= 0)
+        return false;
+    if(m->input[m->pos] == c) {
+        m->max_pos = std::max(m->pos,m->max_pos);
+        m->pos++;
+        return true;
+    } else {
+        if(m->pos == m->max_pos+1) {
+        	Bracket bex;
+        	bex.addRange(c,c);
+            m->fail(&bex);
+        }
+        return false;
+    }
+}