moving functions for testing and evaluation and experiments to the test library, minimizing the internal library, renaming files according to which library they belong to

1 files changed, 75 insertions, 4 deletions

diff --git a/src/regex/regex_test_lib.h b/src/regex/regex_test_lib.h
index 418f47dbab..107c2ffceb 100644
--- a/src/regex/regex_test_lib.h
+++ b/src/regex/regex_test_lib.h
@@ -20,15 +20,15 @@
 /**
  * @file src/regex/regex_test_lib.h
  * @brief library to read regexes representing IP networks from a file.
- *        and simplyfinying the into one big regex, in order to run
- *        tests (regex performance, mesh profiler).
+ *        and simplifying the into one big regex, in order to run
+ *        tests (regex performance, regex profiler).
  * @author Bertlomiej Polot
- *
  */
 
 #ifndef REGEX_ITERNAL_TEST_LIB_H
 #define REGEX_ITERNAL_TEST_LIB_H
 
+#include "regex_internal_lib.h"
 
 #ifdef __cplusplus
 extern "C"
@@ -48,6 +48,7 @@ extern "C"
 char *
 REGEX_ITERNAL_combine(char * const regexes[]);
 
+
 /**
  * Read a set of regexes from a file, one per line and return them in an array
  * suitable for REGEX_ITERNAL_combine.
@@ -69,6 +70,76 @@ REGEX_ITERNAL_read_from_file (const char *filename);
 void
 REGEX_ITERNAL_free_from_file (char **regexes);
 
+
+/**
+ * Generate a (pseudo) random regular expression of length 'rx_length', as well
+ * as a (optional) string that will be matched by the generated regex. The
+ * returned regex needs to be freed.
+ *
+ * @param rx_length length of the random regex.
+ * @param matching_str (optional) pointer to a string that will contain a string
+ *                     that will be matched by the generated regex, if
+ *                     'matching_str' pointer was not NULL.
+ *
+ * @return NULL if 'rx_length' is 0, a random regex of length 'rx_length', which
+ *         needs to be freed, otherwise.
+ */
+char *
+REGEX_ITERNAL_generate_random_regex (size_t rx_length, char *matching_str);
+
+
+/**
+ * Generate a random string of maximum length 'max_len' that only contains literals allowed
+ * in a regular expression. The string might be 0 chars long but is garantueed
+ * to be shorter or equal to 'max_len'.
+ *
+ * @param max_len maximum length of the string that should be generated.
+ *
+ * @return random string that needs to be freed.
+ */
+char *
+REGEX_ITERNAL_generate_random_string (size_t max_len);
+
+
+/**
+ * Options for graph creation function
+ * REGEX_ITERNAL_automaton_save_graph.
+ */
+enum REGEX_ITERNAL_GraphSavingOptions
+{
+  /**
+   * Default. Do nothing special.
+   */
+  REGEX_ITERNAL_GRAPH_DEFAULT = 0,
+
+  /**
+   * The generated graph will include extra information such as the NFA states
+   * that were used to generate the DFA state.
+   */
+  REGEX_ITERNAL_GRAPH_VERBOSE = 1,
+
+  /**
+   * Enable graph coloring. Will color each SCC in a different color.
+   */
+  REGEX_ITERNAL_GRAPH_COLORING = 2
+};
+
+
+/**
+ * Save the given automaton as a GraphViz dot file.
+ *
+ * @param a the automaton to be saved.
+ * @param filename where to save the file.
+ * @param options options for graph generation that include coloring or verbose
+ *                mode
+ */
+void
+REGEX_ITERNAL_automaton_save_graph (struct REGEX_ITERNAL_Automaton *a,
+                                   const char *filename,
+                                   enum REGEX_ITERNAL_GraphSavingOptions options);
+
+
+
 #if 0                           /* keep Emacsens' auto-indent happy */
 {
   #endif
@@ -77,4 +148,4 @@ REGEX_ITERNAL_free_from_file (char **regexes);
 #endif
 
 /* end of regex_internal_lib.h */
-#endif
\ No newline at end of file
+#endif