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-rw-r--r--include/konforka/util.h103
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diff --git a/include/konforka/util.h b/include/konforka/util.h
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+#ifndef __KONFORKA_UTIL_H
+#define __KONFORKA_UTIL_H
+
+#include <sys/types.h>
+#include <string>
+#include <konforka/exception.h>
+
+/**
+ * @file
+ * @brief miscellaneous utility stuff.
+ */
+
+/**
+ * @brief The main konforka namespace.
+ */
+namespace konforka {
+ using std::string;
+
+ class restricted_sequence_error : public konforka::exception {
+ public:
+ restricted_sequence_error(const string& fi,const string& fu,int l,const string& w)
+ : konforka::exception(fi,fu,l,w) { }
+ };
+
+ /**
+ * normalize_path options enumeration.
+ * @see normalize_path()
+ */
+ enum normalize_path_options {
+ /**
+ * Restrict the /../ sequence.
+ */
+ restrict_dotdot = 1,
+ /**
+ * Strip out the leading slash.
+ */
+ strip_leading_slash = 2,
+ /**
+ * Strip out the trailing slash.
+ */
+ strip_trailing_slash = 4
+ };
+
+ /**
+ * Normalize pathname by stripping duplicate slashes, etc.
+ * @param p the pathname.
+ * @param o options.
+ * @return the normalized path.
+ * @see normalize_path_options
+ * @todo TODO: document exceptions.
+ */
+ string normalize_path(const string& p,int o=(restrict_dotdot|strip_trailing_slash));
+
+ /**
+ * Extract the directory part of the filename.
+ * @param p the pathname.
+ * @return the directory part.
+ */
+ string dir_name(const string& p);
+
+ class beyond_root_error : public konforka::exception {
+ public:
+ beyond_root_error(const string& fi,const string& fu,int l,const string& w)
+ : konforka::exception(fi,fu,l,w) { }
+ };
+
+ /**
+ * combine_path options enumeration.
+ * @see combine_path()
+ */
+ enum combine_path_options {
+ /**
+ * The origin is file. Otherwise it is directory.
+ */
+ origin_is_file = 1,
+ /**
+ * Fail if we've gone up beyond root.
+ */
+ fail_beyond_root = 2
+ };
+
+ /**
+ * Combine path with the relative path.
+ * @param orig the origin.
+ * @param rel relative path to combine with.
+ * @param o options.
+ * @return the paths combined.
+ * @see combine_path_options
+ * @todo TODO: document exceptions.
+ */
+ string combine_path(const string& orig,const string& rel,int o=origin_is_file);
+
+ /**
+ * Create directory and parent directories if needed.
+ * @param p the pathname.
+ * @param m mode value for the newly created directories.
+ */
+ void make_path(const string& p,mode_t m);
+
+}
+
+ /* vim:set ft=cpp: */
+#endif /* __KONFORKA_UTIL_H */