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authorKarl Berry <karl@freefriends.org>2009-05-16 00:19:13 +0000
committerKarl Berry <karl@freefriends.org>2009-05-16 00:19:13 +0000
commitbab45528d65eaafe68a705dbb2a57075c7b7cbd8 (patch)
tree10b4ae2b5195c8dede153ab89359ec00f55f325f /Build/source/utils/asymptote/lexical.h
parent8643d90372e9c31e0f461c15c596b60a545bd7d3 (diff)
asymptote 1.72 sources (not integrated into build yet)
git-svn-id: svn://tug.org/texlive/trunk@13110 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/utils/asymptote/lexical.h')
-rw-r--r--Build/source/utils/asymptote/lexical.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/lexical.h b/Build/source/utils/asymptote/lexical.h
new file mode 100644
index 00000000000..fc3879961d6
--- /dev/null
+++ b/Build/source/utils/asymptote/lexical.h
@@ -0,0 +1,23 @@
+#ifndef __lexical_h__
+#define __lexical_h__ 1
+
+#include <sstream>
+
+#include "common.h"
+
+namespace lexical {
+
+class bad_cast {};
+
+template <typename T>
+T cast(const string& s, bool tolerant=false)
+{
+ istringstream is(s);
+ T value;
+ if(is && is >> value && ((is >> std::ws).eof() || tolerant)) return value;
+ throw bad_cast();
+}
+
+}
+
+#endif