RetroShare/retroshare-gui/src/util/stringutil.h
2018-12-27 14:39:10 +01:00

92 lines
4.3 KiB
C++

/*******************************************************************************
* util/stringutil.h *
* *
* Copyright (c) 2008, crypton <retroshare.project@gmail.com> *
* Copyright (c) 2008, Matt Edman, Justin Hipple *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 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 Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <https://www.gnu.org/licenses/>. *
* *
*******************************************************************************/
/*
** \file stringutil.h
** \version $Id: stringutil.h 2486 2008-04-05 14:43:08Z edmanm $
** \brief Common string manipulation functions
*/
#ifndef _STRINGUTIL_H
#define _STRINGUTIL_H
#include <QStringList>
#include <QHash>
/** Creates a QStringList from the array of C strings. */
QStringList char_array_to_stringlist(char **arr, int len);
/** Ensures all characters in str are in validChars. If a character appears
* in str but not in validChars, it will be removed and the resulting
* string returned. */
QString ensure_valid_chars(const QString &str, const QString &validChars);
/** Scrubs an email address by replacing "@" with " at " and "." with " dot ". */
QString scrub_email_addr(const QString &email);
/** Conditionally assigns errmsg to string if str is not null and returns
* false. */
bool err(QString *str, const QString &errmsg);
/** Wraps <b>str</b> at <b>width</b> characters wide, using <b>sep</b> as the
* word separator (" ", for example), and placing the line ending <b>le</b> at
* the end of each line, except the last.*/
QString string_wrap(const QString &str, int width,
const QString &sep, const QString &le);
/** Encodes the bytes in <b>buf</b> as an uppercase hexadecimal string and
* returns the result. This function is derived from base16_encode() in Tor's
* util.c. See LICENSE for details on Tor's license. */
QString base16_encode(const QByteArray &buf);
/** Given a string <b>str</b>, this function returns a quoted string with all
* '"' and '\' characters escaped with a single '\'. */
QString string_escape(const QString &str);
/** Given a quoted string <b>str</b>, this function returns an unquoted,
* unescaped string. <b>str</b> must start and end with an unescaped quote. */
QString string_unescape(const QString &str, bool *ok = 0);
/** Parses a series of space-separated key[=value|="value"] tokens from
* <b>str</b> and returns the mappings in a QHash. If <b>str</b> was unable
* to be parsed, <b>ok</b> is set to false. */
QHash<QString,QString> string_parse_keyvals(const QString &str, bool *ok = 0);
/** Parses a series of command line arguments from <b>str</b>. If <b>str</b>
* was unable to be parsed, <b>ok</b> is set to false. */
QStringList string_parse_arguments(const QString &str, bool *ok = 0);
/** Formats the list of command line arguments in <b>args</b> as a string.
* Arguments that contain ' ', '\', or '"' tokens will be escaped and wrapped
* in double quotes. */
QString string_format_arguments(const QStringList &args);
/** Returns true if <b>str</b> is a valid hexademical string. Returns false
* otherwise. */
bool string_is_hex(const QString &str);
namespace RsStringUtil
{
QString CopyLines(const QString &s, quint16 lines);
}
#endif