Qt中xml文件的读写接口类

转自  http://www.oschina.net/code/snippet_195885_9703

[文件] xprojectreader.h ~ 557B    下载(65)

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01	#ifndef XPROJECTREADER_H

02	#define XPROJECTREADER_H

03

04	#include <vector>

05	#include <QtXml/QtXml>

06	#include "global.h"

07	class QString;

08

09	class CXProjectReader

10

{

11

public:

12	CXProjectReader(vector<STask> *);

13

14	bool read(QIODevice *device);

15	QString readProjectName() const;

16

17

private:

18	void readXProject(QDomElement);

19	void readTask(QDomElement);

20	ETASKTYPE toETaskType(QString);

21

22	QDomDocument m_xml;

23	//QXmlStreamReader m_xml;

24	vector<STask> *m_pVProject;

25	QString m_projectName;

26

};

27

28	#endif // XPROJECTREADER_H

[文件] xprojectreader.cpp ~ 4KB    下载(56)

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001	#include "xprojectreader.h"

002	#include <QtGui/QtGui>

003	#include <QtCore/QtCore>

004

005	CXProjectReader::CXProjectReader(vector<STask> *project)

006	:m_pVProject(project)

007

{

008

009

}

010

011	bool CXProjectReader::read(QIODevice *device)

012

{

013	QString errorStr;

014	int errorLine;

015	int errorColumn;

016

017	if (!m_xml.setContent(device, true, &errorStr, &errorLine,

018	&errorColumn))

019

{

020	//QMessageBox::information(window(), QObject::tr("DOM Project"),

021	//                                QObject::tr("Parse error at line %1, column %2:\n%3")

022	//                                .arg(errorLine)

023	//                                .arg(errorColumn)

024	//                                .arg(errorStr));

025	return false;

026

}

027

028	QDomElement root = m_xml.documentElement();

029	if (root.tagName() != "project")

030

{

031	//QMessageBox::information(window(), QObject::tr("DOM Project"),

032	//                         QObject::tr("The file is not an xml file."));

033	return false;

034

}

035	else if (root.hasAttribute("version")

036	&& root.attribute("version") != "1.0")

037

{

038	//QMessageBox::information(window(), QObject::tr("DOM Project"),

039	//                         QObject::tr("The file is not an xml version 1.0 "

040	//                            "file."));

041	return false;

042

}

043

044	m_projectName = root.attribute("name");

045	readXProject(root);

046

047	return true;

048

}

049

050	void CXProjectReader::readXProject(QDomElement root)

051

{

052	//QDomElement root = m_xml.documentElement();

053	QDomElement child = root.firstChildElement("task");

054	while (!child.isNull())

055

{

056	readTask(child);

057	child = child.nextSiblingElement("task");

058

}

059

}

060

061	void CXProjectReader::readTask(QDomElement element)

062

{

063	STask sTask;

064	sTask.type = toETaskType(element.attribute("name"));

065

066	QDomElement child = element.firstChildElement();

067	while (!child.isNull())

068

{

069	if (child.tagName() == "readonly")

070	sTask.readOnly = child.text().toInt();

071	else if (child.tagName() == "value")

072	sTask.value = child.text().toStdString();

073	else if (child.tagName() == "mistake")

074	sTask.mistake = child.text().toFloat();

075	else if (child.tagName() == "keyitem")

076	sTask.keyItem = child.text().toInt();

077	else if (child.tagName() == "vrscope")

078	sTask.vrScope = child.text().toInt();

079

080	child = child.nextSiblingElement();

081

}

082

083	m_pVProject->push_back(sTask);

084

}

085

086	ETASKTYPE CXProjectReader::toETaskType(QString name)

087

{

088	if(name == "MARK100")

089	return MARK100; //100V��ѹ�ı궨

090	else if(name == "MARK220")

091	return MARK220; //220V��ѹ�ı궨

092	else if(name == "MARK380")

093	return MARK380; //380V��ѹ�ı궨

094	else if(name == "OC100")

095	return OC100;   //100V��ѹ��OC��

096	else if(name == "OC220")

097	return OC220;   //220V��ѹ��OC��

098	else if(name == "OC380")

099	return OC380;   //380V��ѹ��OC��

100	else if(name == "PRECISION100")

101	return PRECISION100; //100V��ѹ�ľ��ȼ��

102	else if(name == "PRECISION220")

103	return PRECISION220; //220V��ѹ�ľ��ȼ��

104	else if(name == "PRECISION380")

105	return PRECISION380; //380V��ѹ�ľ��ȼ��

106	else if(name == "CLOCKMISTAKE")

107	return CLOCKMISTAKE; //ʱ�����

108	else if(name == "COMM")

109	return COMM;         //ͨѶ��ʽ��IP-PORT,192.1.1.81-8080

110	else if(name == "AREATERMCODE")

111	return AREATERMCODE;     //�ն�������,ʮ�������

112	//    else if(name == "TERMCODE")

113	//        return TERMCODE;     //�ն˵�ַ

114	else if(name == "VOLTRANKLIMIT")

115	return VOLTRANKLIMIT;//��ѹ�ȼ���������,100-7-10

116	else if(name == "APN")

117	return APN;         //APN,CMNET��CMWAP

118	else if(name == "HEARTBEAT")

119	return HEARTBEAT;    //������

120	else if(name == "TERMTIME")

121	return TERMTIME;    //�ն�ʱ��

122	else if(name == "FOOTDAY")

123	return FOOTDAY;     //������

124	else if(name == "POWEROFFCLOCK")

125	return POWEROFFCLOCK;//�����ʱ�Ӽ��͵�ѹ���

126	else if(name == "SOFTVERSION")

127	return SOFTVERSION;  //�ն�����汾

128

}

129

130	QString CXProjectReader::readProjectName() const

131

{

132	return m_projectName;

133

}

[文件] xprojectwriter.h ~ 522B    下载(49)

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01	#ifndef XPROJECTWRITER_H

02	#define XPROJECTWRITER_H

03

04	#include <QtXml/QDomDocument>

05	#include "global.h"

06	class QString;

07

08	class CXProjectWriter

09

{

10

public:

11	CXProjectWriter(vector<STask> *);

12

13	bool writeFile(QIODevice *device);

14	void writeProjectName(QString);

15

16

private:

17	void writeTask(STask, QDomElement&);

18	QString fromTaskType(ETASKTYPE);

19

20	QDomDocument m_xml;

21	//QXmlStreamWriter m_xml;

22	vector<STask> *m_pVProject;

23	QString m_projectName;

24

};

25

26	#endif // XPROJECTWRITER_H

[文件] xprojectwriter.cpp ~ 4KB    下载(55)

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001	#include "xprojectwriter.h"

002	#include <QtGui/QtGui>

003

004	CXProjectWriter::CXProjectWriter(vector<STask> *project)

005	:m_pVProject(project)

006

{

007	//m_xml.setAutoFormatting(true);

008

}

009

010	bool CXProjectWriter::writeFile(QIODevice *device)

011

{

012	//QDomElement root = m_xml.documentElement();

013	//root.setTagName("project");

014	QDomElement root = m_xml.createElement("project");

015	root.setAttribute("version", "1.0");

016	root.setAttribute("name", m_projectName);

017	m_xml.appendChild(root);

018

019	for (uint i = 0; i < m_pVProject->size(); ++i)

020	writeTask(m_pVProject->at(i), root);

021

022	const int IndentSize = 4;

023

024	QTextStream out(device);

025	m_xml.save(out, IndentSize);

026	return true;

027

}

028

029	void CXProjectWriter::writeTask(STask task, QDomElement& root)

030

{

031	QDomElement taskElement = m_xml.createElement("task");

032	QString taskName = fromTaskType(task.type);

033	taskElement.setAttribute("name", taskName);

034	root.appendChild(taskElement);

035

036	QDomElement readElement = m_xml.createElement("readonly");

037	QDomText readText = m_xml.createTextNode(QString::number(task.readOnly));

038	readElement.appendChild(readText);

039

040	QDomElement valueElement = m_xml.createElement("value");

041	QDomText valueText = m_xml.createTextNode(QString::fromStdString(task.value));

042	valueElement.appendChild(valueText);

043

044	QDomElement mistakeElement = m_xml.createElement("mistake");

045	QDomText mistakeText = m_xml.createTextNode(QString::number(task.mistake));

046	mistakeElement.appendChild(mistakeText);

047

048	QDomElement keyitemElement = m_xml.createElement("keyitem");

049	QDomText keyitemText = m_xml.createTextNode(QString::number(task.keyItem));

050	keyitemElement.appendChild(keyitemText);

051

052	QDomElement vrscopeElement = m_xml.createElement("vrscope");

053	QDomText vrscopeText = m_xml.createTextNode(QString::number(task.vrScope));

054	vrscopeElement.appendChild(vrscopeText);

055

056	taskElement.appendChild(readElement);

057	taskElement.appendChild(valueElement);

058	taskElement.appendChild(mistakeElement);

059	taskElement.appendChild(keyitemElement);

060	taskElement.appendChild(vrscopeElement);

061

}

062

063	QString CXProjectWriter::fromTaskType(ETASKTYPE type)

064

{

065	if(type == MARK100)

066	return "MARK100"; //100V��ѹ�ı궨

067	else if(type == MARK220)

068	return "MARK220"; //220V��ѹ�ı궨

069	else if(type == MARK380)

070	return "MARK380"; //380V��ѹ�ı궨

071	else if(type == OC100)

072	return "OC100";   //100V��ѹ��OC��

073	else if(type == OC220)

074	return "OC220";   //220V��ѹ��OC��

075	else if(type == OC380)

076	return "OC380";   //380V��ѹ��OC��

077	else if(type == PRECISION100)

078	return "PRECISION100"; //100V��ѹ�ľ��ȼ��

079	else if(type == PRECISION220)

080	return "PRECISION220"; //220V��ѹ�ľ��ȼ��

081	else if(type == PRECISION380)

082	return "PRECISION380"; //380V��ѹ�ľ��ȼ��

083	else if(type == CLOCKMISTAKE)

084	return "CLOCKMISTAKE"; //ʱ�����

085	else if(type == COMM)

086	return "COMM";         //ͨѶ��ʽ��IP-PORT,192.1.1.81-8080

087	else if(type == AREATERMCODE)

088	return "AREATERMCODE";     //�ն�������,ʮ�������

089	//    else if(type == TERMCODE)

090	//        return "TERMCODE";     //�ն˵�ַ

091	else if(type == VOLTRANKLIMIT)

092	return "VOLTRANKLIMIT";//��ѹ�ȼ���������,100-7-10

093	else if(type == APN)

094	return "APN";         //APN,CMNET��CMWAP

095	else if(type == HEARTBEAT)

096	return "HEARTBEAT";    //������

097	else if(type == TERMTIME)

098	return "TERMTIME";    //�ն�ʱ��

099	else if(type == FOOTDAY)

100	return "FOOTDAY";     //������

101	else if(type == POWEROFFCLOCK)

102	return "POWEROFFCLOCK";//�����ʱ�Ӽ��͵�ѹ���

103	else if(type == SOFTVERSION)

104	return "SOFTVERSION";  //�ն�����汾

105

106	return QString();

107

}

108

109	void CXProjectWriter::writeProjectName(QString name)

110

{

111	m_projectName = name;

112

}