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/***************************************************************************
* Copyright (C) 2004 by Paulo Moura Guedes *
* [email protected] *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
***************************************************************************/
#ifndef STRING_H
#define STRING_H
#include <qstring.h>
#include <vector>
#include <cctype>
class QString;
typedef unsigned int uint;
/* Similar to std::string::find but return the next index of the last char
of the first word it finds.
Case insensitive.
e.g.
findWord("Biltre larvado", "biltre") => 6
*/
int findWord(QString const& s, QString const& palavra, uint a_partir_do_indice = 0);
/**
Similar to std::string::find but return the next index of the first char
it finds.
Case insensitive.
*/
int findChar(QString const& s, QChar letra, uint a_partir_do_indice = 0);
/**
Same as findWord but non space chars are eliminated.
e.g.
findWord("<a href=""></a>", "<a") => 2
findSeparableWord("<a href=""></a>", "<a") => 2
findWord("<\na href=""></a>", "<a") => -1
findSeparableWord("<\na href=""></a>", "<a") => 3
*/
int findSeparableWord(QString const& s, QString const& palavra, uint a_partir_do_indice = 0);
/**
Space means Unicode characters with decimal values
9 (TAB), 10 (LF), 11 (VT), 12 (FF), 13 (CR), and 32 (Space).
*/
bool isSpace(QChar c);
/**
Return -1 if unsuccessful.
*/
int nextNonSpaceChar(QString const& s, uint i);
int nextNonSpaceCharReverse(QString const& s, uint i);
int nextSpaceChar(QString const& s, uint i);
int nextCharDifferentThan(QChar c, QString const& s, uint i);
/** Return a vector with the words */
std::vector<QString> tokenize(QString s);
std::vector<QString> tokenizeWordsSeparatedByDots(QString s);
std::vector<QString> tokenizeWordsSeparatedBy(QString s, QChar criteria);
/**
Returns a string that has whitespace removed from the start and the end,
and which has each sequence of internal whitespace replaced with a single space.
*/
QString simplifyWhiteSpace(QString const& s);
/**
If char 'caractere' is the last in the string 's' it is removed
*/
void removeLastCharIfExists(QString& s, QChar caractere);
QString upperCase(QString const& s);
QString lowerCase(QString const& s);
/**
Remove whitespaces from the end of the string
*/
void stripWhiteSpaceFromTheEnd(QString& s);
/**
Returns a string that has whitespace removed from the start and the end.
*/
void stripWhiteSpace(QString& s);
/**
Case insensitive comparisons
*/
bool equal(QString const& s1, QString const& s2);
bool notEqual(QString const& s1, QString const& s2);
bool equal(QChar c1, QChar c2);
bool notEqual(QChar c1, QChar c2);
//_________________________________________________________________________
inline bool isSpace(QChar c)
{
return c.isSpace();
}
inline bool equal(QString const& s1, QString const& s2)
{
if(s1 == s2)
return true;
else
return s1.lower() == s2.lower();
}
inline bool notEqual(QString const& s1, QString const& s2)
{
return !(equal(s1, s2));
}
inline bool equal(QChar c1, QChar c2)
{
return c1.lower() == c2.lower();
}
inline bool notEqual(QChar c1, QChar c2)
{
return !(equal(c1, c2));
}
inline QString upperCase(QString const& s)
{
return s.upper();
}
inline QString lowerCase(QString const& s)
{
return s.lower();
}
inline QString simplifyWhiteSpace(QString const& s)
{
return s.simplifyWhiteSpace();
}
inline void removeLastCharIfExists(QString& s, QChar caractere)
{
int index = s.length() - 1;
if(s[index] == caractere)
s.remove(index);
}
inline void stripWhiteSpace(QString& s)
{
s = s.stripWhiteSpace();
}
#endif
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