// -*- C++ -*-
-/** This is a collection of string helper functions that works
+/** String helper functions.
+ \file lstrings.h
+ This is a collection of string helper functions that works
together with string (and later also with STL String. Some of these
would certainly benefit from a rewrite/optimization.
+ \author Lars Gullik Bjønnes
+ \author Jean-Marc Lasgouttes
*/
#ifndef LSTRINGS_H
#define LSTRINGS_H
-#include <cstring>
+#ifdef __GNUG__
+#pragma interface
+#endif
-//#warning verify this please. Lgb
-///
-template<class T>
-size_t lstrlen(T const * t)
-{
- Assert(t); // we don't want null pointers
- size_t count = 0;
- T const * r = t;
- while(*r != 0) ++r, ++count;
- return count;
-}
+#include <vector>
+#include "Lsstream.h"
-//#warning verify this please. Lgb
-///
-template<class T>
-T * lstrchr(T const * t, int c)
-{
- Assert(t); // we don't want null pointers
- T * r = const_cast<T*>(t);
- while(*r != 0)
- if (*r == c) return r; else ++r;
- return 0;
-}
-
-#include <cctype>
#include "LString.h"
///
-inline int compare_no_case(string const & s, string const & s2)
-{
- // ANSI C
- string::const_iterator p = s.begin();
- string::const_iterator p2 = s2.begin();
-
- while (p != s.end() && p2 != s2.end()) {
- if (tolower(*p) != tolower(*p2))
- return (tolower(*p) < tolower(*p2)) ? -1 : 1;
- ++p;
- ++p2;
- }
+int compare_no_case(string const & s, string const & s2);
- return s.size() - s2.size();
-}
+///
+int compare_ascii_no_case(string const & s, string const & s2);
///
-inline int compare_no_case(string const & s, string const & s2,
- unsigned int len)
-{
-//#warning verify this func please
- string::const_iterator p = s.begin();
- string::const_iterator p2 = s2.begin();
- unsigned int i = 0;
- while (i < len && p != s.end() && p2 != s2.end()) {
- if (tolower(*p) != tolower(*p2))
- return (tolower(*p) < tolower(*p2)) ? -1 : 1;
- ++i;
- ++p;
- ++p2;
- }
- return s.size() - s2.size();
-}
+int compare_no_case(string const & s, string const & s2, unsigned int len);
///
-inline int compare(char const * a, char const * b)
+inline
+int compare(char const * a, char const * b)
{
+#ifndef CXX_GLOBAL_CSTD
+ return std::strcmp(a, b);
+#else
return strcmp(a, b);
+#endif
}
///
-inline int compare(char const * a, char const * b, unsigned int len)
+inline
+int compare(char const * a, char const * b, unsigned int len)
{
+#ifndef CXX_GLOBAL_CSTD
+ return std::strncmp(a, b, len);
+#else
return strncmp(a, b, len);
+#endif
}
///
bool isStrInt(string const & str);
+/// does the string represent an unsigned integer value ?
+bool isStrUnsignedInt(string const & str);
+
///
int strToInt(string const & str);
+/// convert string to an unsigned integer
+unsigned int strToUnsignedInt(string const & str);
+
///
-string lowercase(string const &);
+bool isStrDbl(string const & str);
-/// int to string
-string tostr(int i);
+///
+double strToDbl(string const & str);
///
-string tostr(unsigned int);
+char lowercase(char c);
-/// long to string
-string tostr(long l);
+///
+char uppercase(char c);
+
+/// same as lowercase(), but ignores locale
+string const ascii_lowercase(string const &);
///
-string tostr(unsigned long l);
+string const lowercase(string const &);
///
-string tostr(char c);
+string const uppercase(string const &);
-/// void* to string
-string tostr(void* v);
+/// convert \a T to string
+template<typename T>
+inline
+string const tostr(T const & t)
+{
+ ostringstream ostr;
+ ostr << t;
+ return ostr.str().c_str();
+ // We need to use the .c_str since we sometimes are using
+ // our own string class and that is not compatible with
+ // basic_string<char>. (of course we don't want this later)
+}
-/// bool to string
-string tostr(bool b);
///
-string tostr(double d);
+template<>
+inline
+string const tostr(bool const & b)
+{
+ return (b ? "true" : "false");
+}
+
+///
+template<>
+inline
+string const tostr(string const & s)
+{
+ return s;
+}
/// Does the string start with this prefix?
bool prefixIs(string const &, char const *);
+/// Does the string start with this prefix?
+bool prefixIs(string const &, string const &);
+
/// Does the string end with this char?
bool suffixIs(string const &, char);
/// Does the string end with this suffix?
bool suffixIs(string const &, char const *);
-///
-bool contains(char const * a, string const & b);
-
-///
-bool contains(string const & a, char const * b);
+/// Does the string end with this suffix?
+bool suffixIs(string const &, string const &);
///
bool contains(string const & a, string const & b);
///
-bool contains(char const * a, char const * b);
+bool contains(string const & a, char b);
+
+/// This should probably we rewritten to be more general.
+class contains_functor {
+public:
+ typedef string first_argument_type;
+ typedef string second_argument_type;
+ typedef bool result_type;
+
+ bool operator()(string const & haystack, string const & needle) const {
+ return contains(haystack, needle);
+ }
+};
-/// Counts how many of character c there is in a
-int countChar(string const & a, char const c);
+
+///
+bool containsOnly(string const &, string const &);
/** Extracts a token from this string at the nth delim.
- Doesn't modify the original string. Similar to strtok.
- Example:
- #"a;bc;d".token(';', 1) == "bc";#
- #"a;bc;d".token(';', 2) == "d";#
+ Doesn't modify the original string. Similar to strtok.
+ Example:
+ \code
+ token("a;bc;d", ';', 1) == "bc";
+ token("a;bc;d", ';', 2) == "d";
+ \endcode
*/
-string token(string const & a, char delim, int n);
+string const token(string const & a, char delim, int n);
/** Search a token in this string using the delim.
- Doesn't modify the original string. Returns -1 in case of
- failure.
- Example:
- #"a;bc;d".tokenPos(';', "bc") == 1;#
- #"a;bc;d".token(';', "d") == 2;#
+ Doesn't modify the original string. Returns -1 in case of
+ failure.
+ Example:
+ \code
+ tokenPos("a;bc;d", ';', "bc") == 1;
+ tokenPos("a;bc;d", ';', "d") == 2;
+ \endcode
*/
int tokenPos(string const & a, char delim, string const & tok);
*/
bool regexMatch(string const & a, string const & pattern);
-/// Substitute all "oldchar"s with "newchar"
-string subst(string const & a, char oldchar, char newchar);
+/// Substitute all \a oldchar with \a newchar
+string const subst(string const & a, char oldchar, char newchar);
-/// Substitutes all instances of oldstr with newstr
-string subst(string const & a,
- char const * oldstr, string const & newstr);
+/// Substitutes all instances of \a oldstr with \a newstr
+string const subst(string const & a,
+ char const * oldstr, string const & newstr);
-/** Strips characters off the end of a string.
- #"abccc".strip('c') = "ab".#
- */
-string strip(string const & a, char const c = ' ');
+/// substitutes all instances of \a oldstr with \a newstr
+string const subst(string const & a,
+ string const & oldstr, string const & newstr);
-/** Strips characters of the beginning of a string.
- #"cccba".frontstrip('c') = "ba"#. */
-string frontStrip(string const & a, char const c = ' ');
+/** Trims characters off the end and beginning of a string.
+ \code
+ trim("ccabccc", "c") == "ab".
+ \endcode
+*/
+string const trim(string const & a, char const * p = " ");
+
+/** Trims characters off the end of a string.
+ \code
+ rtrim("abccc", "c") == "ab".
+ \endcode
+*/
+string const rtrim(string const & a, char const * p = " ");
-/** Strips characters off the beginning of a string.
- #"ababcdef".frontstrip("ab") = "cdef"# .*/
-string frontStrip(string const & a, char const * p);
+/** Trims characters off the beginning of a string.
+ \code
+ ltrim("ababcdef", "ab") = "cdef"
+ \endcode
+*/
+string const ltrim(string const & a, char const * p = " ");
/** Splits the string by the first delim.
- Splits the string by the first appearance of delim.
- The leading string up to delim is returned in piece (not including
- delim), while the original string is cut from after the delimiter.
- Example:
- #s1=""; s2="a;bc".split(s1, ';') -> s1=="a"; s2 == "bc";#
- */
-string split(string const & a, string & piece, char delim);
+ Splits the string by the first appearance of delim.
+ The leading string up to delim is returned in piece (not including
+ delim), while the original string is cut from after the delimiter.
+ Example:
+ \code
+ s1= ""; s2= "a;bc".split(s1, ';') -> s1 == "a"; s2 == "bc";
+ \endcode
+*/
+string const split(string const & a, string & piece, char delim);
/// Same as split but does not return a piece
-string split(string const & a, char delim);
+string const split(string const & a, char delim);
/// Same as split but uses the last delim.
-string rsplit(string const & a, string & piece, char delim);
+string const rsplit(string const & a, string & piece, char delim);
+
+/// Escapes non ASCII chars
+string const escape(string const & lab);
+
+/// gives a vector of stringparts which have the delimiter delim
+std::vector<string> const getVectorFromString(string const & str,
+ string const & delim = ",");
+
+// the same vice versa
+string const getStringFromVector(std::vector<string> const & vec,
+ string const & delim = ",");
#endif
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