1 files changed, 49 insertions, 0 deletions
diff --git a/libfsm/pcheck.h b/libfsm/pcheck.h
new file mode 100644
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--- /dev/null
+++ b/libfsm/pcheck.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2001-2018 Adrian Thurston <thurston@colm.net>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _PCHECK_H
+#define _PCHECK_H
+
+class ParamCheck
+{
+public:
+	ParamCheck( const char *paramSpec, int argc, const char **argv);
+
+	bool check();
+
+	const char *paramArg;     /* The argument to the parameter. */
+	char parameter;     /* The parameter matched. */
+	enum { match, invalid, noparam } state;
+
+	const char *argOffset;    /* If we are reading params inside an
+	                     * arg this points to the offset. */
+
+	const char *curArg;       /* Pointer to the current arg. */
+	int iCurArg;        /* Index to the current arg. */
+
+private:
+	const char *paramSpec;    /* Parameter spec supplied by the coder. */
+	int argc;           /* Arguement data from the command line. */
+	const char **argv;
+};
+
+#endif