// -*- C++ -*-
-
-/*
- 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.
-*/
+/**
+ * \file lstrings.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
+ *
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ *
+ * Full author contact details are available in file CREDITS
+ *
+ * A collection of string helper functions that works with string.
+ * Some of these would certainly benefit from a rewrite/optimization.
+ */
#ifndef LSTRINGS_H
#define LSTRINGS_H
-#ifdef __GNUG__
-#pragma interface
-#endif
-
-#include <cstring>
-#include <cctype>
-
-#include "Lsstream.h"
+#include <vector>
#include "LString.h"
+namespace lyx {
+namespace support {
///
int compare_no_case(string const & s, string const & s2);
+///
+int compare_ascii_no_case(string const & s, string const & s2);
+
///
int compare_no_case(string const & s, string const & s2, unsigned int len);
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)
{
+#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);
+
///
bool isStrDbl(string const & str);
///
double strToDbl(string const & str);
-///
+///
char lowercase(char c);
-///
+///
char uppercase(char c);
+/// same as lowercase(), but ignores locale
+string const ascii_lowercase(string const &);
+
///
string const lowercase(string const &);
///
string const uppercase(string const &);
-/// convert T to string
-template<typename T>
-inline
-string const tostr(T const & t)
-{
- std::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)
-}
-
-
-///
-template<>
-inline
-string const tostr(bool const & b)
-{
- return (b ? "true" : "false");
-}
-
-/// 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 *);
-
/// Does the string end with this suffix?
bool suffixIs(string const &, string const &);
-///
-bool contains(char const * a, string const & b);
-
-///
-bool contains(string const & a, char const * b);
-
///
bool contains(string const & a, string const & b);
///
-bool contains(char const * a, char const * b);
+bool contains(string const & a, char b);
-///
-bool containsOnly(string const &, char const *);
+/// 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 containsOnly(string const &, string const &);
+ bool operator()(string const & haystack, string const & needle) const {
+ return contains(haystack, needle);
+ }
+};
-///
-bool containsOnly(char const *, char const *);
///
-bool containsOnly(char const *, string const &);
-
-/// Counts how many of character c there is in a
-unsigned int countChar(string const & a, char 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 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"
+/// 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 const subst(string const & a,
- char const * oldstr, string const & newstr);
-
-/// substitutes all instances ofr oldstr with newstr
+/// substitutes all instances of \a oldstr with \a newstr
string const subst(string const & a,
string const & oldstr, string const & newstr);
-/** Strips characters off the end of a string.
- #"abccc".strip('c') = "ab".#
- */
-string const strip(string const & a, char 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 = " ");
-/** Strips characters of the beginning of a string.
- #"cccba".frontstrip('c') = "ba"#. */
-string const frontStrip(string const & a, char c = ' ');
+/** 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 const 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";#
- */
+ 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
/// Same as split but uses the last 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 = ",");
+
+// wrapper around boost::format using one argument %1$s
+string bformat(string const & fmt, string const & arg1);
+// arguments %1$s and %2$s
+string bformat(string const & fmt, string const & arg1, string const & arg2);
+// arguments %1$s and %2$s and %3$s
+string bformat(string const & fmt, string const & arg1, string const & arg2,
+ string const & arg3);
+// arguments %1$s and %2$s and %3$s and %4$s
+string bformat(string const & fmt, string const & arg1, string const & arg2,
+ string const & arg3, string const & arg4);
+
+} // namespace support
+} // namespace lyx
+
#endif