85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*! \file piiostring.h
|
|
* \brief PIIODevice wrapper around PIString
|
|
*/
|
|
/*
|
|
PIP - Platform Independent Primitives
|
|
PIIODevice wrapper around PIString
|
|
Copyright (C) 2017 Ivan Pelipenko peri4ko@yandex.ru
|
|
|
|
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 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef PIIOSTRING_H
|
|
#define PIIOSTRING_H
|
|
|
|
#include "piiodevice.h"
|
|
|
|
|
|
class PIP_EXPORT PIIOString: public PIIODevice
|
|
{
|
|
PIIODEVICE(PIIOString)
|
|
public:
|
|
|
|
//! Contructs %PIIOString with \"string\" content and \"mode\" open mode
|
|
explicit PIIOString(PIString * string = 0, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
|
|
|
|
//! Contructs %PIIOString with \"string\" content only for read
|
|
explicit PIIOString(const PIString & string);
|
|
|
|
~PIIOString() {closeDevice();}
|
|
|
|
//! Returns content
|
|
PIString * string() const {return str;}
|
|
|
|
//! Clear content string
|
|
void clear() {if (str) str->clear(); pos = 0;}
|
|
|
|
//! Open \"string\" content with \"mode\" open mode
|
|
bool open(PIString * string, PIIODevice::DeviceMode mode = PIIODevice::ReadWrite);
|
|
|
|
//! Open \"string\" content only for read
|
|
bool open(const PIString & string);
|
|
|
|
//! Returns if position is at the end of content
|
|
bool isEnd() const {if (!str) return true; return pos >= str->size_s();}
|
|
|
|
|
|
//! Move read/write position to \"position\"
|
|
void seek(llong position) {pos = position;}
|
|
|
|
//! Move read/write position to the begin of the string
|
|
void seekToBegin() {if (str) pos = 0;}
|
|
|
|
//! Move read/write position to the end of the string
|
|
void seekToEnd() {if (str) pos = str->size_s();}
|
|
|
|
|
|
//! Read one text line and return it
|
|
PIString readLine();
|
|
|
|
//! Insert string \"string\" into content at current position
|
|
int writeString(const PIString & string);
|
|
|
|
protected:
|
|
bool openDevice();
|
|
int readDevice(void * read_to, int max_size);
|
|
int writeDevice(const void * data, int max_size);
|
|
|
|
ssize_t pos;
|
|
PIString * str;
|
|
|
|
};
|
|
|
|
#endif // PIIOSTRING_H
|