#ifndef __STRINGFUNC_HXX
#define __STRINGFUNC_HXX
+#include <stdio.h>
#include <list>
+#include <numeric>
+#include <set>
+#include <vector>
#include <string>
#include <sstream>
#include <stdexcept>
const std::string& trim_list= std::string()
);
+void split_string(
+ const std::string& str,
+ std::vector< std::string >& result,
+ const std::string& delimiter= "\n",
+ bool omit_empty= false,
+ const std::string& trim_list= std::string()
+);
+
std::list< std::string > split_string(
const std::string& str,
const std::string& delimiter = "\n",
const std::string& trim_list= std::string()
);
+struct concatenator {
+ std::string delim;
+
+ concatenator (const std::string &delim) : delim (delim) { }
+
+ inline std::string operator() (const std::string &acc, const std::string &elt) const
+ { return acc + delim + elt; }
+};
+
+template<typename Iter>
+std::string
+join_string (
+ Iter first,
+ Iter last,
+ const std::string &delimiter = "\n"
+)
+{
+ if (first == last) { return ""; }
+
+ const std::string &init = *first++;
+ if (first == last) { return init; }
+
+ return std::accumulate (first, last, init, concatenator (delimiter));
+}
+
+/**
+ * @brief joins a container of strings into a single string.
+ *
+ * This funtion is (basically) the reverse operation of @a split_string.
+ *
+ * @param parts the container of strings.
+ * @param delimiter the delimiter to insert between the strings.
+ * @return the joined string.
+ */
+template<typename Cont>
+inline std::string join_string(
+ const Cont& parts,
+ const std::string& delimiter = "\n"
+)
+{ return join_string (parts.begin (), parts.end (), delimiter); }
std::string join_string(
- const std::list< std::string >& parts,
+ const char *const parts [],
const std::string& delimiter = "\n"
);
-
/*
** conversions:
*/
std::string convert_hex_to_binary(const std::string& str) throw(std::runtime_error);
-
/*
** "type conversions":
*/
/**
* convert a datatype @a T to a string via string stream.
*
+ * This will not report trouble in conversion; for example:
+ * string_to<int>("christian")
+ * will return 0 and not throw an error.
+ * Use boost::lexical_cast<T>(string) to get error-checked results.
+ *
* @param s the string which should be converted to @a T.
* @return the value of type T.
*/
/**
+ * convert string in hexadecimal notation to a datatype @a T
+ * supports strings with and without "0x" notation, e.g. 0xff and FF are both valid
+ *
+ * @param s the hex string which should be converted to @a T.
+ * @return the value of type T.
+ */
+template<
+class T
+>
+T hex_string_to(const std::string& s)
+{
+ std::istringstream istr(s);
+ T result;
+ istr >> std::hex >> result;
+ return result;
+} // eo string_to(const std::string&)
+
+
+/**
+ * convert string in hexadecimal notation to a datatype @a T
+ * supports strings with and without "0x" notation, e.g. 0xff and FF are both valid
+ *
+ * @param s the hex string which should be converted to @a T.
+ * @param result the resulting value of type @a T.
+ * @return @a true iff the internal string stream was EOF after the conversion.
+ *
+ * @attention: does not return if the conversion was successful. So check for empty strings before.
+ */
+template<
+class T
+>
+bool hex_string_to(const std::string& s, T& result)
+{
+ std::istringstream istr(s);
+ istr >> std::hex >> result;
+ return istr.eof();
+} // eo string_to(const std::string&)
+
+
+/**
* convert a string to another datatype @a T via string stream.
*
* @param v the value (of type @a T) which should be converted to a string.
} // eo to_string(const T&)
+/**
+ * Create a string with types shortened in texts describing C++ types
+ *
+ * for example: std::list<some_long_type, std::allocator<some_long_type> >
+ * --> std::list<some_long_type, _alloc_>
+ *
+ * and std::basic_string<char, std::char_traits<char>, std::allocator<char> >
+ * --> std::string
+ */
+std::string shorten_stl_types(const std::string &input);
+
+std::string base64_encode(const std::string &input, bool one_line=true);
+std::string base64_decode(const std::string &input, bool one_line=true);
+
} // eo namespace I2n
std::string html_entities(std::string str);
std::string html_entities_to_console(std::string str);
+typedef std::pair<std::string::size_type, std::string::size_type> CommentZone;
+std::vector<CommentZone> find_html_comments(const std::string &str);
+void remove_html_comments(std::string &str);
+void remove_html_comments(std::string &str, const std::vector<CommentZone> &comments);
+
std::string sanitize_for_logging(const std::string &str, const char replace_with='?');
std::string escape(const std::string &s);